======================================
| [   21.287675][  T329] veth1: entered promiscuous mode
| [   21.289358][  T329] ------------[ cut here ]------------
| [ 21.289729][ T329] WARNING: CPU: 3 PID: 329 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.290341][  T329] Modules linked in: bridge stp llc 8021q vrf veth
[   21.291375][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.291913][ T329] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.292230][ T329] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.293347][  T329] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   21.293741][  T329] RAX: 0000000000000000 RBX: ffff88800e612000 RCX: 0000000000000001
[   21.294203][  T329] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[   21.294668][  T329] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.295129][  T329] R10: ffffc90000597010 R11: ffffffff96ea8918 R12: 1ffff920000b2de2
[   21.295589][  T329] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800e612f08
[   21.296057][  T329] FS:  00007f45332cb800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[   21.296587][  T329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.296990][  T329] CR2: 00000000004e5aa8 CR3: 000000000e518006 CR4: 0000000000772ef0
[   21.297478][  T329] PKRU: 55555554
[   21.297719][  T329] Call Trace:
[   21.297957][  T329]  <TASK>
[ 21.298129][ T329] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.298470][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.298789][ T329] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.299092][ T329] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.299468][ T329] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.299792][ T329] netif_set_mtu (net/core/dev.c:9652) 
[ 21.300098][ T329] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.300413][ T329] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.300849][ T329] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.301081][ T329] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.301498][ T329] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.301857][ T329] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.302171][ T329] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.302481][ T329] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.302874][ T329] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.303177][ T329] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.303479][ T329] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.303798][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.304103][ T329] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.304411][ T329] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.304804][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.305110][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.305411][ T329] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.305725][ T329] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.306028][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.306331][ T329] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.306635][ T329] ? __create_object (mm/kmemleak.c:771) 
[ 21.306948][ T329] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.307253][ T329] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.307555][ T329] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.307944][ T329] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.308265][ T329] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.308574][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.308887][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.309199][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.309503][ T329] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.309812][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.310117][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.310424][ T329] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.310740][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.311050][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.311360][ T329] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.311679][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.311985][ T329] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.312300][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.312601][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.312914][ T329] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.313220][ T329] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.313528][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.313844][ T329] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.314152][ T329] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.314455][ T329] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.314773][ T329] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.315081][ T329] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.315384][ T329] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.315783][ T329] ___sys_sendmsg (net/socket.c:2670) 
[ 21.316084][ T329] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.316384][ T329] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.316767][ T329] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.317073][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.317377][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.317691][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.317994][ T329] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.318313][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.318624][ T329] __sys_sendmsg (net/socket.c:2700) 
[ 21.318932][ T329] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.319310][ T329] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.319627][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.319939][ T329] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.320242][ T329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.320624][  T329] RIP: 0033:0x7f45334981e7
[ 21.320950][ T329] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.322044][  T329] RSP: 002b:00007ffc45ca6eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.322519][  T329] RAX: ffffffffffffffda RBX: 00007ffc45ca75e0 RCX: 00007f45334981e7
[   21.322982][  T329] RDX: 0000000000000000 RSI: 00007ffc45ca6f20 RDI: 0000000000000005
[   21.323437][  T329] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.323900][  T329] R10: 000000000d50f910 R11: 0000000000000246 R12: 0000000000000004
[   21.324355][  T329] R13: 00000000686e6b8b R14: 0000000000499600 R15: 0000000000000000
| [   21.772819][  T333] ------------[ cut here ]------------
| [ 21.773123][ T333] WARNING: CPU: 1 PID: 333 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.773760][  T333] Modules linked in: bridge stp llc 8021q vrf veth
| [   21.774792][  T333] Tainted: [W]=WARN
[   21.775027][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.775406][ T333] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.775732][ T333] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.776829][  T333] RSP: 0018:ffffc90000a06ef0 EFLAGS: 00010246
[   21.777213][  T333] RAX: 0000000000000000 RBX: ffff88800e612000 RCX: 0000000000000001
[   21.777687][  T333] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[   21.778168][  T333] RBP: ffffc90000a06fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.778656][  T333] R10: ffffc90000a07010 R11: ffffffff96ea8918 R12: 1ffff92000140de2
[   21.779127][  T333] R13: 00000000000005dc R14: ffffc90000a07010 R15: ffff88800e612f08
[   21.779589][  T333] FS:  00007ff7d16de800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[   21.780128][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.780514][  T333] CR2: 00000000004e5ab0 CR3: 00000000021ad005 CR4: 0000000000772ef0
[   21.780979][  T333] PKRU: 55555554
[   21.781216][  T333] Call Trace:
[   21.781443][  T333]  <TASK>
[ 21.781600][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.781924][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.782243][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.782547][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.782957][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.783265][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 21.783568][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.783901][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.784329][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.784561][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.785006][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.785360][ T333] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.785695][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.786006][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.786391][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.786707][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.787009][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.787329][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.787640][ T333] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.787958][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.788362][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.788681][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.788987][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.789299][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.789615][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.789949][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.790256][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 21.790564][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.790884][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.791193][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.791580][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.791921][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.792241][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.792544][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.792867][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.793177][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.793481][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.793814][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.794121][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.794424][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.794753][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.795066][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.795374][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.795699][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.796015][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.796318][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.796628][ T333] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.796956][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.797263][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.797570][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.797904][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.798238][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.798554][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.798878][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.799186][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.799579][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 21.799898][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.800202][ T333] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.800583][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.800905][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.801215][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.801531][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.801856][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.802169][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.802487][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 21.802806][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.803183][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.803497][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.803828][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.804133][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.804507][  T333] RIP: 0033:0x7ff7d18ab1e7
[ 21.804827][ T333] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.805925][  T333] RSP: 002b:00007ffd11d8dc88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.806394][  T333] RAX: ffffffffffffffda RBX: 00007ffd11d8e3b0 RCX: 00007ff7d18ab1e7
[   21.806862][  T333] RDX: 0000000000000000 RSI: 00007ffd11d8dcf0 RDI: 0000000000000005
[   21.807314][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.807775][  T333] R10: 0000000025e3e910 R11: 0000000000000246 R12: 0000000000000004
[   21.808246][  T333] R13: 00000000686e6b8b R14: 0000000000499600 R15: 0000000000000000
| [  104.229807][  T932] ------------[ cut here ]------------
| [ 104.230127][ T932] WARNING: CPU: 0 PID: 932 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  104.230762][  T932] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  104.231968][  T932] Tainted: [W]=WARN
[  104.232209][  T932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 104.232602][ T932] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 104.232935][ T932] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  104.234189][  T932] RSP: 0000:ffffc90002427080 EFLAGS: 00010246
[  104.234590][  T932] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  104.235090][  T932] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  104.235574][  T932] RBP: ffffc90002427168 R08: 0000000000000000 R09: 0000000000000000
[  104.236055][  T932] R10: ffffc90002427198 R11: ffffffff96ea8918 R12: 1ffff92000484e14
[  104.236544][  T932] R13: 00000000000005dc R14: ffffc90002427198 R15: ffff88800c002f08
[  104.237037][  T932] FS:  00007f97dd7c9800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  104.237598][  T932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.238294][  T932] CR2: 00007f1fdf0dc2a8 CR3: 000000000b7cd005 CR4: 0000000000772ef0
[  104.238794][  T932] PKRU: 55555554
[  104.239030][  T932] Call Trace:
[  104.239267][  T932]  <TASK>
[ 104.239438][ T932] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 104.239774][ T932] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 104.240098][ T932] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 104.240493][ T932] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 104.240837][ T932] netif_set_mtu (net/core/dev.c:9652) 
[ 104.241154][ T932] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 104.241501][ T932] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 104.241978][ T932] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 104.242230][ T932] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 104.242693][ T932] br_add_if (net/bridge/br_if.c:697) bridge 
[ 104.243071][ T932] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 104.243387][ T932] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 104.243729][ T932] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 104.244059][ T932] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 104.244384][ T932] ? __dev_get_by_name (net/core/dev.c:865) 
[ 104.244727][ T932] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 104.245334][ T932] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 104.245673][ T932] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 104.245988][ T932] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 104.246327][ T932] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 104.246675][ T932] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 104.247018][ T932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.247365][ T932] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 104.247713][ T932] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 104.248055][ T932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.248406][ T932] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 104.248757][ T932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.249101][ T932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.249664][ T932] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 104.249987][ T932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.250321][ T932] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 104.250677][ T932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 104.251239][ T932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 104.251566][ T932] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 104.251910][ T932] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 104.252237][ T932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.252812][ T932] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 104.253146][ T932] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 104.253466][ T932] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 104.253799][ T932] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 104.254373][ T932] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 104.254706][ T932] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 104.255122][ T932] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 104.255454][ T932] ___sys_sendmsg (net/socket.c:2670) 
[ 104.255797][ T932] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 104.256115][ T932] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 104.256430][ T932] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 104.256788][ T932] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 104.257351][ T932] ? __handle_mm_fault (mm/memory.c:6212) 
[ 104.257684][ T932] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 104.257995][ T932] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 104.258350][ T932] __sys_sendmsg (net/socket.c:2700) 
[ 104.258930][ T932] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 104.259249][ T932] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 104.259572][ T932] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 104.259900][ T932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.260443][ T932] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 104.260768][ T932] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  104.261174][  T932] RIP: 0033:0x7f97dd9961e7
[ 104.261521][ T932] Code: Unable to access opcode bytes at 0x7f97dd9961bd.

Code starting with the faulting instruction
===========================================
[  104.261956][  T932] RSP: 002b:00007fffc1081638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  104.262445][  T932] RAX: ffffffffffffffda RBX: 00007fffc1081d60 RCX: 00007f97dd9961e7
[  104.263164][  T932] RDX: 0000000000000000 RSI: 00007fffc10816a0 RDI: 0000000000000005
[  104.263661][  T932] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  104.264161][  T932] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc1081d98
[  104.264904][  T932] R13: 00000000686e6bdd R14: 0000000000499600 R15: 0000000000000000
| [  104.445329][  T937] ------------[ cut here ]------------
| [ 104.445688][ T937] WARNING: CPU: 3 PID: 937 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  104.446318][  T937] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  104.447469][  T937] Tainted: [W]=WARN
[  104.447716][  T937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 104.448112][ T937] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 104.448452][ T937] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  104.449706][  T937] RSP: 0018:ffffc90002277080 EFLAGS: 00010246
[  104.450153][  T937] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  104.450660][  T937] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  104.451138][  T937] RBP: ffffc90002277168 R08: 0000000000000000 R09: 0000000000000000
[  104.451635][  T937] R10: ffffc90002277198 R11: ffffffff96ea8918 R12: 1ffff9200044ee14
[  104.452116][  T937] R13: 00000000000005dc R14: ffffc90002277198 R15: ffff88800c002f08
[  104.452588][  T937] FS:  00007fc3367cc800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  104.453159][  T937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.453571][  T937] CR2: 00000000004a1738 CR3: 00000000025b3006 CR4: 0000000000772ef0
[  104.454058][  T937] PKRU: 55555554
[  104.454324][  T937] Call Trace:
[  104.454566][  T937]  <TASK>
[ 104.454737][ T937] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 104.455073][ T937] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 104.455406][ T937] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 104.455842][ T937] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 104.456162][ T937] netif_set_mtu (net/core/dev.c:9652) 
[ 104.456479][ T937] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 104.456836][ T937] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 104.457293][ T937] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 104.457547][ T937] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 104.458024][ T937] br_add_if (net/bridge/br_if.c:697) bridge 
[ 104.458432][ T937] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 104.458796][ T937] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 104.459144][ T937] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 104.459474][ T937] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 104.459820][ T937] ? __dev_get_by_name (net/core/dev.c:865) 
[ 104.460164][ T937] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 104.460515][ T937] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 104.460862][ T937] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 104.461194][ T937] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 104.461530][ T937] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 104.461892][ T937] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 104.462231][ T937] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.462576][ T937] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 104.462930][ T937] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 104.463262][ T937] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.463604][ T937] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 104.463973][ T937] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.464293][ T937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.464623][ T937] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 104.464983][ T937] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.465320][ T937] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 104.465679][ T937] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 104.466028][ T937] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 104.466362][ T937] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 104.466698][ T937] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 104.467041][ T937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.467381][ T937] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 104.467714][ T937] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 104.468031][ T937] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 104.468384][ T937] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 104.468718][ T937] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 104.469043][ T937] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 104.469438][ T937] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 104.469763][ T937] ___sys_sendmsg (net/socket.c:2670) 
[ 104.470102][ T937] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 104.470427][ T937] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 104.470755][ T937] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 104.471085][ T937] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 104.471430][ T937] ? __handle_mm_fault (mm/memory.c:6212) 
[ 104.471761][ T937] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 104.472553][ T937] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 104.472895][ T937] __sys_sendmsg (net/socket.c:2700) 
[ 104.473209][ T937] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 104.473523][ T937] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 104.473862][ T937] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 104.474194][ T937] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.474762][ T937] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 104.475103][ T937] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  104.475760][  T937] RIP: 0033:0x7fc3369991e7
[ 104.476143][ T937] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  104.477619][  T937] RSP: 002b:00007ffe504bca98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  104.478148][  T937] RAX: ffffffffffffffda RBX: 00007ffe504bd1c0 RCX: 00007fc3369991e7
[  104.478644][  T937] RDX: 0000000000000000 RSI: 00007ffe504bcb00 RDI: 0000000000000005
[  104.479130][  T937] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  104.479875][  T937] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe504bd1f8
[  104.480374][  T937] R13: 00000000686e6bde R14: 0000000000499600 R15: 0000000000000000
| [  104.642388][  T939] ------------[ cut here ]------------
| [ 104.642766][ T939] WARNING: CPU: 3 PID: 939 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  104.643407][  T939] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  104.644557][  T939] Tainted: [W]=WARN
[  104.644804][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 104.645210][ T939] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 104.645533][ T939] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  104.646667][  T939] RSP: 0018:ffffc90000987080 EFLAGS: 00010246
[  104.647061][  T939] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  104.647870][  T939] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  104.648480][  T939] RBP: ffffc90000987168 R08: 0000000000000000 R09: 0000000000000000
[  104.648962][  T939] R10: ffffc90000987198 R11: ffffffff96ea8918 R12: 1ffff92000130e14
[  104.649445][  T939] R13: 00000000000005dc R14: ffffc90000987198 R15: ffff88800c002f08
[  104.649920][  T939] FS:  00007f02d3a9b800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  104.650520][  T939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.650945][  T939] CR2: 00007f02d3caf5c0 CR3: 00000000096dc003 CR4: 0000000000772ef0
[  104.651468][  T939] PKRU: 55555554
[  104.651713][  T939] Call Trace:
[  104.651952][  T939]  <TASK>
[ 104.652115][ T939] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 104.652511][ T939] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 104.652838][ T939] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 104.653250][ T939] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 104.653574][ T939] netif_set_mtu (net/core/dev.c:9652) 
[ 104.653901][ T939] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 104.654241][ T939] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 104.654689][ T939] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 104.654931][ T939] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 104.655377][ T939] br_add_if (net/bridge/br_if.c:697) bridge 
[ 104.655759][ T939] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 104.656074][ T939] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 104.656408][ T939] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 104.656741][ T939] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 104.657052][ T939] ? __dev_get_by_name (net/core/dev.c:865) 
[ 104.657405][ T939] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 104.657732][ T939] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 104.658065][ T939] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 104.658422][ T939] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 104.658757][ T939] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 104.659114][ T939] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 104.659452][ T939] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.659788][ T939] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 104.660102][ T939] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 104.660448][ T939] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.660778][ T939] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 104.661107][ T939] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.661456][ T939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.661785][ T939] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 104.662101][ T939] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.662444][ T939] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 104.662796][ T939] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 104.663128][ T939] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 104.663475][ T939] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 104.663820][ T939] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 104.664165][ T939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.664505][ T939] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 104.664848][ T939] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 104.665186][ T939] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 104.665529][ T939] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 104.665874][ T939] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 104.666216][ T939] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 104.666637][ T939] ___sys_sendmsg (net/socket.c:2670) 
[ 104.666981][ T939] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 104.667339][ T939] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 104.667686][ T939] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 104.668011][ T939] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 104.668376][ T939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.668727][ T939] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 104.669053][ T939] __sys_sendmsg (net/socket.c:2700) 
[ 104.669368][ T939] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 104.669706][ T939] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.670027][ T939] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 104.670350][ T939] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  104.670747][  T939] RIP: 0033:0x7f02d3c681e7
[ 104.671069][ T939] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  104.672202][  T939] RSP: 002b:00007fff3a3ffa48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  104.672716][  T939] RAX: ffffffffffffffda RBX: 00007fff3a400170 RCX: 00007f02d3c681e7
[  104.673215][  T939] RDX: 0000000000000000 RSI: 00007fff3a3ffab0 RDI: 0000000000000005
[  104.673723][  T939] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  104.674219][  T939] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3a4001a8
[  104.674723][  T939] R13: 00000000686e6bde R14: 0000000000499600 R15: 0000000000000000
| [  104.813141][  T941] ------------[ cut here ]------------
| [ 104.813466][ T941] WARNING: CPU: 3 PID: 941 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  104.814140][  T941] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  104.815332][  T941] Tainted: [W]=WARN
[  104.815582][  T941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 104.816003][ T941] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 104.816344][ T941] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  104.817528][  T941] RSP: 0018:ffffc90002207080 EFLAGS: 00010246
[  104.817957][  T941] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  104.818462][  T941] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  104.818974][  T941] RBP: ffffc90002207168 R08: 0000000000000000 R09: 0000000000000000
[  104.819474][  T941] R10: ffffc90002207198 R11: ffffffff96ea8918 R12: 1ffff92000440e14
[  104.819991][  T941] R13: 00000000000005dc R14: ffffc90002207198 R15: ffff88800c002f08
[  104.820492][  T941] FS:  00007f90278f5800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  104.821084][  T941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.821501][  T941] CR2: 00000000004a1738 CR3: 0000000006123001 CR4: 0000000000772ef0
[  104.822014][  T941] PKRU: 55555554
[  104.822263][  T941] Call Trace:
[  104.822511][  T941]  <TASK>
[ 104.822685][ T941] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 104.823026][ T941] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 104.823366][ T941] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 104.823798][ T941] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 104.824152][ T941] netif_set_mtu (net/core/dev.c:9652) 
[ 104.824487][ T941] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 104.824841][ T941] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 104.825305][ T941] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 104.825559][ T941] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 104.826023][ T941] br_add_if (net/bridge/br_if.c:697) bridge 
[ 104.826406][ T941] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 104.826753][ T941] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 104.827088][ T941] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 104.827430][ T941] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 104.827768][ T941] ? __dev_get_by_name (net/core/dev.c:865) 
[ 104.828101][ T941] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 104.828444][ T941] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 104.828792][ T941] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 104.829130][ T941] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 104.829466][ T941] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 104.829819][ T941] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 104.830158][ T941] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.830501][ T941] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 104.830839][ T941] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 104.831174][ T941] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.831507][ T941] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 104.831842][ T941] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.832176][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.832512][ T941] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 104.832854][ T941] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.833185][ T941] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 104.833524][ T941] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 104.833867][ T941] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 104.834206][ T941] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 104.834540][ T941] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 104.834881][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.835219][ T941] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 104.835553][ T941] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 104.835894][ T941] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 104.836243][ T941] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 104.836579][ T941] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 104.836925][ T941] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 104.837342][ T941] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 104.837685][ T941] ___sys_sendmsg (net/socket.c:2670) 
[ 104.838017][ T941] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 104.838361][ T941] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 104.838704][ T941] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 104.839031][ T941] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 104.839373][ T941] ? __handle_mm_fault (mm/memory.c:6212) 
[ 104.839714][ T941] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 104.840043][ T941] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 104.840392][ T941] __sys_sendmsg (net/socket.c:2700) 
[ 104.840733][ T941] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 104.841064][ T941] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 104.841404][ T941] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 104.841753][ T941] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.842093][ T941] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 104.842431][ T941] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  104.842851][  T941] RIP: 0033:0x7f9027ac21e7
[ 104.843441][ T941] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  104.844888][  T941] RSP: 002b:00007ffe47eb3d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  104.845624][  T941] RAX: ffffffffffffffda RBX: 00007ffe47eb4460 RCX: 00007f9027ac21e7
[  104.846368][  T941] RDX: 0000000000000000 RSI: 00007ffe47eb3da0 RDI: 0000000000000005
[  104.846875][  T941] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  104.847376][  T941] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe47eb4498
[  104.848116][  T941] R13: 00000000686e6bde R14: 0000000000499600 R15: 0000000000000000
| [  104.990419][  T945] ------------[ cut here ]------------
| [ 104.990790][ T945] WARNING: CPU: 0 PID: 945 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  104.991475][  T945] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  104.992918][  T945] Tainted: [W]=WARN
[  104.993169][  T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 104.993583][ T945] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 104.993980][ T945] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  104.995171][  T945] RSP: 0018:ffffc900006d7080 EFLAGS: 00010246
[  104.995614][  T945] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  104.996168][  T945] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  104.996688][  T945] RBP: ffffc900006d7168 R08: 0000000000000000 R09: 0000000000000000
[  104.997179][  T945] R10: ffffc900006d7198 R11: ffffffff96ea8918 R12: 1ffff920000dae14
[  104.997693][  T945] R13: 00000000000005dc R14: ffffc900006d7198 R15: ffff88800c002f08
[  104.998232][  T945] FS:  00007eff678db800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  104.998834][  T945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.999257][  T945] CR2: 00000000004a1738 CR3: 000000000c14b002 CR4: 0000000000772ef0
[  104.999764][  T945] PKRU: 55555554
[  105.000028][  T945] Call Trace:
[  105.000279][  T945]  <TASK>
[ 105.000454][ T945] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.000818][ T945] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 105.001151][ T945] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 105.001566][ T945] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 105.001912][ T945] netif_set_mtu (net/core/dev.c:9652) 
[ 105.002246][ T945] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.002606][ T945] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 105.003108][ T945] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.003366][ T945] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 105.003848][ T945] br_add_if (net/bridge/br_if.c:697) bridge 
[ 105.004229][ T945] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 105.004576][ T945] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 105.004940][ T945] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 105.005277][ T945] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 105.005609][ T945] ? __dev_get_by_name (net/core/dev.c:865) 
[ 105.005949][ T945] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.006278][ T945] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.006612][ T945] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 105.006949][ T945] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.007302][ T945] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 105.007643][ T945] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 105.007994][ T945] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.008342][ T945] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 105.008691][ T945] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.009022][ T945] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.009348][ T945] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 105.009691][ T945] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.010023][ T945] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.010357][ T945] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 105.010692][ T945] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.011020][ T945] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 105.011360][ T945] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 105.011698][ T945] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 105.012033][ T945] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 105.012363][ T945] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 105.012710][ T945] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.013065][ T945] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 105.013413][ T945] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 105.013753][ T945] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 105.014092][ T945] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 105.014437][ T945] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 105.014773][ T945] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 105.015205][ T945] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 105.015549][ T945] ___sys_sendmsg (net/socket.c:2670) 
[ 105.015891][ T945] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 105.016225][ T945] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 105.016564][ T945] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.016911][ T945] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 105.017258][ T945] ? __handle_mm_fault (mm/memory.c:6212) 
[ 105.017593][ T945] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 105.017929][ T945] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 105.018290][ T945] __sys_sendmsg (net/socket.c:2700) 
[ 105.018624][ T945] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 105.018969][ T945] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 105.019308][ T945] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 105.019643][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.019987][ T945] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 105.020320][ T945] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.020738][  T945] RIP: 0033:0x7eff67aa81e7
[ 105.021081][ T945] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  105.022280][  T945] RSP: 002b:00007ffeaa9f1ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  105.022789][  T945] RAX: ffffffffffffffda RBX: 00007ffeaa9f2720 RCX: 00007eff67aa81e7
[  105.023296][  T945] RDX: 0000000000000000 RSI: 00007ffeaa9f2060 RDI: 0000000000000005
[  105.023782][  T945] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  105.024252][  T945] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeaa9f2758
[  105.024731][  T945] R13: 00000000686e6bde R14: 0000000000499600 R15: 0000000000000000
| [  105.209216][  T946] ------------[ cut here ]------------
| [ 105.209563][ T946] WARNING: CPU: 2 PID: 946 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  105.210257][  T946] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  105.211419][  T946] Tainted: [W]=WARN
[  105.211686][  T946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 105.212122][ T946] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 105.212463][ T946] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  105.213600][  T946] RSP: 0018:ffffc900004f7080 EFLAGS: 00010246
[  105.214023][  T946] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  105.214502][  T946] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  105.214989][  T946] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000
[  105.215466][  T946] R10: ffffc900004f7198 R11: ffffffff96ea8918 R12: 1ffff9200009ee14
[  105.215993][  T946] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff88800c002f08
[  105.216482][  T946] FS:  00007f027308f800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  105.217051][  T946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.217463][  T946] CR2: 00000000004a1738 CR3: 000000000fd4e006 CR4: 0000000000772ef0
[  105.217979][  T946] PKRU: 55555554
[  105.218235][  T946] Call Trace:
[  105.218488][  T946]  <TASK>
[ 105.218676][ T946] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.219018][ T946] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 105.219381][ T946] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 105.219808][ T946] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 105.220182][ T946] netif_set_mtu (net/core/dev.c:9652) 
[ 105.220514][ T946] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.220863][ T946] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 105.221321][ T946] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.221582][ T946] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 105.222034][ T946] br_add_if (net/bridge/br_if.c:697) bridge 
[ 105.222409][ T946] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 105.222744][ T946] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 105.223101][ T946] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 105.223431][ T946] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 105.223784][ T946] ? __dev_get_by_name (net/core/dev.c:865) 
[ 105.224145][ T946] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.224498][ T946] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.224855][ T946] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 105.225184][ T946] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.225518][ T946] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 105.225867][ T946] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 105.226199][ T946] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.226535][ T946] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 105.226869][ T946] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.227209][ T946] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.227542][ T946] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 105.227881][ T946] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.228263][ T946] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.228599][ T946] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 105.229008][ T946] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.229550][ T946] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 105.230132][ T946] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 105.230710][ T946] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 105.231281][ T946] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 105.231905][ T946] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 105.232509][ T946] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.233128][ T946] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 105.233746][ T946] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 105.234327][ T946] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 105.234973][ T946] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 105.235572][ T946] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 105.236171][ T946] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 105.236921][ T946] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 105.237508][ T946] ___sys_sendmsg (net/socket.c:2670) 
[ 105.238002][ T946] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 105.238406][ T946] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 105.238762][ T946] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.239118][ T946] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 105.239460][ T946] ? __handle_mm_fault (mm/memory.c:6212) 
[ 105.239800][ T946] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 105.240145][ T946] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 105.240488][ T946] __sys_sendmsg (net/socket.c:2700) 
[ 105.240839][ T946] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 105.241182][ T946] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 105.241523][ T946] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 105.241861][ T946] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.242211][ T946] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 105.242630][ T946] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.243280][  T946] RIP: 0033:0x7f027325c1e7
[ 105.243868][ T946] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  105.245908][  T946] RSP: 002b:00007fffe87ecda8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  105.246817][  T946] RAX: ffffffffffffffda RBX: 00007fffe87ed4d0 RCX: 00007f027325c1e7
[  105.247702][  T946] RDX: 0000000000000000 RSI: 00007fffe87ece10 RDI: 0000000000000005
[  105.248594][  T946] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  105.249463][  T946] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe87ed508
[  105.249991][  T946] R13: 00000000686e6bde R14: 0000000000499600 R15: 0000000000000000
| [  105.435150][  T948] ------------[ cut here ]------------
| [ 105.435495][ T948] WARNING: CPU: 2 PID: 948 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  105.436185][  T948] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  105.437392][  T948] Tainted: [W]=WARN
[  105.437642][  T948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 105.438066][ T948] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 105.438499][ T948] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  105.439668][  T948] RSP: 0018:ffffc900004d7080 EFLAGS: 00010246
[  105.440084][  T948] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  105.440578][  T948] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  105.441068][  T948] RBP: ffffc900004d7168 R08: 0000000000000000 R09: 0000000000000000
[  105.441557][  T948] R10: ffffc900004d7198 R11: ffffffff96ea8918 R12: 1ffff9200009ae14
[  105.442072][  T948] R13: 00000000000005dc R14: ffffc900004d7198 R15: ffff88800c002f08
[  105.442570][  T948] FS:  00007fd6c23bb800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  105.443134][  T948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.443543][  T948] CR2: 00000000004a1738 CR3: 000000000b5d6002 CR4: 0000000000772ef0
[  105.444072][  T948] PKRU: 55555554
[  105.444322][  T948] Call Trace:
[  105.444576][  T948]  <TASK>
[ 105.444761][ T948] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.445106][ T948] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 105.445436][ T948] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 105.445846][ T948] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 105.446192][ T948] netif_set_mtu (net/core/dev.c:9652) 
[ 105.446522][ T948] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.446877][ T948] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 105.447329][ T948] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.447582][ T948] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 105.448036][ T948] br_add_if (net/bridge/br_if.c:697) bridge 
[ 105.448432][ T948] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 105.448773][ T948] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 105.449102][ T948] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 105.449436][ T948] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 105.449768][ T948] ? __dev_get_by_name (net/core/dev.c:865) 
[ 105.450097][ T948] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.450431][ T948] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.450778][ T948] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 105.451098][ T948] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.451435][ T948] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 105.451787][ T948] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 105.452120][ T948] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.452474][ T948] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 105.452807][ T948] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.453157][ T948] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.453486][ T948] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 105.453836][ T948] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.454167][ T948] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.454517][ T948] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 105.454853][ T948] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.455183][ T948] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 105.455523][ T948] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 105.455912][ T948] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 105.456244][ T948] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 105.456577][ T948] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 105.456955][ T948] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.457294][ T948] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 105.457627][ T948] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 105.457982][ T948] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 105.458330][ T948] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 105.458669][ T948] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 105.458997][ T948] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 105.459410][ T948] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 105.459794][ T948] ___sys_sendmsg (net/socket.c:2670) 
[ 105.460134][ T948] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 105.460477][ T948] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 105.460837][ T948] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.461162][ T948] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 105.461505][ T948] ? __handle_mm_fault (mm/memory.c:6212) 
[ 105.461839][ T948] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 105.462178][ T948] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 105.462520][ T948] __sys_sendmsg (net/socket.c:2700) 
[ 105.462868][ T948] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 105.463191][ T948] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 105.463528][ T948] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 105.463911][ T948] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.464249][ T948] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 105.464577][ T948] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.464988][  T948] RIP: 0033:0x7fd6c25881e7
[ 105.465325][ T948] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  105.466495][  T948] RSP: 002b:00007ffea7fbb898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  105.466992][  T948] RAX: ffffffffffffffda RBX: 00007ffea7fbbfc0 RCX: 00007fd6c25881e7
[  105.467483][  T948] RDX: 0000000000000000 RSI: 00007ffea7fbb900 RDI: 0000000000000005
[  105.467972][  T948] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  105.468497][  T948] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea7fbbff8
[  105.469031][  T948] R13: 00000000686e6bdf R14: 0000000000499600 R15: 0000000000000000
| [  105.665464][  T951] ------------[ cut here ]------------
| [ 105.665906][ T951] WARNING: CPU: 3 PID: 951 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  105.666531][  T951] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  105.667917][  T951] Tainted: [W]=WARN
[  105.668160][  T951] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 105.668586][ T951] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 105.668925][ T951] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  105.670076][  T951] RSP: 0018:ffffc900004d7080 EFLAGS: 00010246
[  105.670479][  T951] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  105.670981][  T951] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  105.671460][  T951] RBP: ffffc900004d7168 R08: 0000000000000000 R09: 0000000000000000
[  105.672034][  T951] R10: ffffc900004d7198 R11: ffffffff96ea8918 R12: 1ffff9200009ae14
[  105.672519][  T951] R13: 00000000000005dc R14: ffffc900004d7198 R15: ffff88800c002f08
[  105.673013][  T951] FS:  00007f987011f800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  105.673687][  T951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.674087][  T951] CR2: 00000000004a1738 CR3: 000000000a8f4002 CR4: 0000000000772ef0
[  105.674570][  T951] PKRU: 55555554
[  105.674959][  T951] Call Trace:
[  105.675202][  T951]  <TASK>
[ 105.675365][ T951] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.675710][ T951] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 105.676119][ T951] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 105.676618][ T951] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 105.676957][ T951] netif_set_mtu (net/core/dev.c:9652) 
[ 105.677341][ T951] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.677722][ T951] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 105.678250][ T951] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.678495][ T951] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 105.679032][ T951] br_add_if (net/bridge/br_if.c:697) bridge 
[ 105.679403][ T951] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 105.679865][ T951] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 105.680244][ T951] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 105.680671][ T951] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 105.681073][ T951] ? __dev_get_by_name (net/core/dev.c:865) 
[ 105.681439][ T951] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.681872][ T951] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.682274][ T951] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 105.682710][ T951] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.683078][ T951] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 105.683405][ T951] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 105.683752][ T951] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.684081][ T951] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 105.684444][ T951] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.684840][ T951] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.685239][ T951] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 105.685664][ T951] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.686037][ T951] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.686412][ T951] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 105.686858][ T951] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.687229][ T951] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 105.687623][ T951] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 105.688086][ T951] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 105.688474][ T951] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 105.688897][ T951] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 105.689284][ T951] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.689714][ T951] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 105.690162][ T951] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 105.690530][ T951] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 105.690968][ T951] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 105.691288][ T951] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 105.691614][ T951] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 105.692028][ T951] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 105.692354][ T951] ___sys_sendmsg (net/socket.c:2670) 
[ 105.692688][ T951] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 105.693061][ T951] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 105.693436][ T951] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.693841][ T951] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 105.694256][ T951] ? __handle_mm_fault (mm/memory.c:6212) 
[ 105.694645][ T951] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 105.695028][ T951] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 105.695413][ T951] __sys_sendmsg (net/socket.c:2700) 
[ 105.695758][ T951] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 105.696167][ T951] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 105.696490][ T951] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 105.696835][ T951] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.697151][ T951] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 105.697559][ T951] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.698057][  T951] RIP: 0033:0x7f98702ec1e7
[ 105.698427][ T951] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  105.700007][  T951] RSP: 002b:00007ffe9f7967a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  105.700488][  T951] RAX: ffffffffffffffda RBX: 00007ffe9f796ed0 RCX: 00007f98702ec1e7
[  105.701001][  T951] RDX: 0000000000000000 RSI: 00007ffe9f796810 RDI: 0000000000000005
[  105.701477][  T951] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  105.701977][  T951] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9f796f08
[  105.702452][  T951] R13: 00000000686e6bdf R14: 0000000000499600 R15: 0000000000000000
| [  105.880451][  T952] ------------[ cut here ]------------
| [ 105.880830][ T952] WARNING: CPU: 3 PID: 952 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  105.881453][  T952] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  105.882611][  T952] Tainted: [W]=WARN
[  105.882874][  T952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 105.883272][ T952] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 105.883596][ T952] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  105.884744][  T952] RSP: 0018:ffffc900004d7080 EFLAGS: 00010246
[  105.885147][  T952] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  105.885623][  T952] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  105.886130][  T952] RBP: ffffc900004d7168 R08: 0000000000000000 R09: 0000000000000000
[  105.886600][  T952] R10: ffffc900004d7198 R11: ffffffff96ea8918 R12: 1ffff9200009ae14
[  105.887093][  T952] R13: 00000000000005dc R14: ffffc900004d7198 R15: ffff88800c002f08
[  105.887574][  T952] FS:  00007f1fdda12800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  105.888145][  T952] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.888555][  T952] CR2: 00000000004a1738 CR3: 0000000008d87005 CR4: 0000000000772ef0
[  105.889060][  T952] PKRU: 55555554
[  105.889296][  T952] Call Trace:
[  105.889534][  T952]  <TASK>
[ 105.889735][ T952] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.890064][ T952] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 105.890382][ T952] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 105.890801][ T952] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 105.891131][ T952] netif_set_mtu (net/core/dev.c:9652) 
[ 105.891448][ T952] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.891791][ T952] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 105.892244][ T952] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.892483][ T952] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 105.892930][ T952] br_add_if (net/bridge/br_if.c:697) bridge 
[ 105.893304][ T952] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 105.893619][ T952] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 105.893974][ T952] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 105.894294][ T952] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 105.894616][ T952] ? __dev_get_by_name (net/core/dev.c:865) 
[ 105.894949][ T952] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.895266][ T952] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.895590][ T952] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 105.895925][ T952] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.896248][ T952] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 105.896571][ T952] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 105.896945][ T952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.897276][ T952] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 105.897586][ T952] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.897945][ T952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.898273][ T952] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 105.898592][ T952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.898932][ T952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.899254][ T952] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 105.899568][ T952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.899903][ T952] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 105.900229][ T952] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 105.900541][ T952] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 105.900881][ T952] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 105.901198][ T952] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 105.901506][ T952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.901861][ T952] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 105.902178][ T952] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 105.902493][ T952] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 105.902839][ T952] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 105.903155][ T952] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 105.903470][ T952] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 105.903887][ T952] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 105.904210][ T952] ___sys_sendmsg (net/socket.c:2670) 
[ 105.904525][ T952] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 105.904856][ T952] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 105.905174][ T952] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.905485][ T952] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 105.905852][ T952] ? __handle_mm_fault (mm/memory.c:6212) 
[ 105.906166][ T952] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 105.906479][ T952] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 105.906836][ T952] __sys_sendmsg (net/socket.c:2700) 
[ 105.907156][ T952] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 105.907481][ T952] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 105.907826][ T952] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 105.908144][ T952] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.908468][ T952] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 105.908805][ T952] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.909194][  T952] RIP: 0033:0x7f1fddbdf1e7
[ 105.909515][ T952] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  105.910683][  T952] RSP: 002b:00007ffe9e914738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  105.911162][  T952] RAX: ffffffffffffffda RBX: 00007ffe9e914e60 RCX: 00007f1fddbdf1e7
[  105.911635][  T952] RDX: 0000000000000000 RSI: 00007ffe9e9147a0 RDI: 0000000000000005
[  105.912599][  T952] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  105.913322][  T952] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9e914e98
[  105.913826][  T952] R13: 00000000686e6bdf R14: 0000000000499600 R15: 0000000000000000
| [  106.063500][  T955] ------------[ cut here ]------------
| [ 106.063891][ T955] WARNING: CPU: 2 PID: 955 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  106.064623][  T955] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  106.065995][  T955] Tainted: [W]=WARN
[  106.066247][  T955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 106.066782][ T955] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 106.067180][ T955] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  106.068514][  T955] RSP: 0018:ffffc90002277080 EFLAGS: 00010246
[  106.069248][  T955] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  106.069873][  T955] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  106.070365][  T955] RBP: ffffc90002277168 R08: 0000000000000000 R09: 0000000000000000
[  106.070872][  T955] R10: ffffc90002277198 R11: ffffffff96ea8918 R12: 1ffff9200044ee14
[  106.071363][  T955] R13: 00000000000005dc R14: ffffc90002277198 R15: ffff88800c002f08
[  106.071863][  T955] FS:  00007f860514b800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  106.072431][  T955] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.072941][  T955] CR2: 00000000004a1738 CR3: 000000000cb28004 CR4: 0000000000772ef0
[  106.073430][  T955] PKRU: 55555554
[  106.073718][  T955] Call Trace:
[  106.073969][  T955]  <TASK>
[ 106.074174][ T955] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 106.074593][ T955] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 106.075029][ T955] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 106.075456][ T955] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 106.075851][ T955] netif_set_mtu (net/core/dev.c:9652) 
[ 106.076256][ T955] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 106.076620][ T955] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 106.077200][ T955] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 106.077506][ T955] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 106.078067][ T955] br_add_if (net/bridge/br_if.c:697) bridge 
[ 106.078528][ T955] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 106.078958][ T955] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 106.079301][ T955] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 106.079660][ T955] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 106.080000][ T955] ? __dev_get_by_name (net/core/dev.c:865) 
[ 106.080325][ T955] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.080739][ T955] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.081307][ T955] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 106.081892][ T955] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.082497][ T955] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 106.083111][ T955] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 106.083724][ T955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.084325][ T955] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 106.084908][ T955] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 106.085494][ T955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.086088][ T955] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 106.086706][ T955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.087295][ T955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.087895][ T955] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 106.088491][ T955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.089087][ T955] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 106.089710][ T955] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 106.090292][ T955] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 106.090912][ T955] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 106.091510][ T955] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 106.092113][ T955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.092728][ T955] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 106.093322][ T955] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 106.093943][ T955] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 106.094549][ T955] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 106.095177][ T955] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 106.095769][ T955] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 106.096494][ T955] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 106.097101][ T955] ___sys_sendmsg (net/socket.c:2670) 
[ 106.097701][ T955] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 106.098299][ T955] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 106.098894][ T955] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.099476][ T955] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 106.100089][ T955] ? __handle_mm_fault (mm/memory.c:6212) 
[ 106.100691][ T955] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 106.101268][ T955] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 106.101895][ T955] __sys_sendmsg (net/socket.c:2700) 
[ 106.102465][ T955] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 106.103076][ T955] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 106.103710][ T955] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 106.104312][ T955] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 106.104903][ T955] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 106.105486][ T955] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  106.106220][  T955] RIP: 0033:0x7f86053181e7
[ 106.106830][ T955] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  106.108857][  T955] RSP: 002b:00007ffee1a55558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  106.109748][  T955] RAX: ffffffffffffffda RBX: 00007ffee1a55c80 RCX: 00007f86053181e7
[  106.110609][  T955] RDX: 0000000000000000 RSI: 00007ffee1a555c0 RDI: 0000000000000005
[  106.111517][  T955] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  106.112402][  T955] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee1a55cb8
[  106.113277][  T955] R13: 00000000686e6bdf R14: 0000000000499600 R15: 0000000000000000
| [  106.266153][  T957] ------------[ cut here ]------------
| [ 106.266488][ T957] WARNING: CPU: 3 PID: 957 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  106.267124][  T957] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  106.268291][  T957] Tainted: [W]=WARN
[  106.268548][  T957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 106.268959][ T957] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 106.269298][ T957] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  106.270466][  T957] RSP: 0018:ffffc90000987080 EFLAGS: 00010246
[  106.270886][  T957] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  106.271370][  T957] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  106.271895][  T957] RBP: ffffc90000987168 R08: 0000000000000000 R09: 0000000000000000
[  106.272367][  T957] R10: ffffc90000987198 R11: ffffffff96ea8918 R12: 1ffff92000130e14
[  106.272859][  T957] R13: 00000000000005dc R14: ffffc90000987198 R15: ffff88800c002f08
[  106.273342][  T957] FS:  00007f5d2e546800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  106.273924][  T957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.274331][  T957] CR2: 00000000004a1738 CR3: 0000000004ba7004 CR4: 0000000000772ef0
[  106.274831][  T957] PKRU: 55555554
[  106.275069][  T957] Call Trace:
[  106.275309][  T957]  <TASK>
[ 106.275472][ T957] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 106.275871][ T957] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 106.276198][ T957] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 106.276598][ T957] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 106.276970][ T957] netif_set_mtu (net/core/dev.c:9652) 
[ 106.277282][ T957] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 106.277609][ T957] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 106.278108][ T957] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 106.278360][ T957] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 106.278819][ T957] br_add_if (net/bridge/br_if.c:697) bridge 
[ 106.279225][ T957] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 106.279557][ T957] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 106.279909][ T957] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 106.280231][ T957] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 106.280542][ T957] ? __dev_get_by_name (net/core/dev.c:865) 
[ 106.280883][ T957] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.281212][ T957] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.281536][ T957] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 106.281876][ T957] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.282202][ T957] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 106.282525][ T957] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 106.282869][ T957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.283199][ T957] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 106.283513][ T957] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 106.283871][ T957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.284187][ T957] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 106.284502][ T957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.284845][ T957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.285171][ T957] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 106.285488][ T957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.285813][ T957] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 106.286160][ T957] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 106.286473][ T957] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 106.286799][ T957] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 106.287132][ T957] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 106.287452][ T957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.287784][ T957] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 106.288119][ T957] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 106.288463][ T957] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 106.288829][ T957] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 106.289161][ T957] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 106.289473][ T957] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 106.289878][ T957] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 106.290242][ T957] ___sys_sendmsg (net/socket.c:2670) 
[ 106.290558][ T957] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 106.290896][ T957] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 106.291229][ T957] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.291542][ T957] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 106.291872][ T957] ? __handle_mm_fault (mm/memory.c:6212) 
[ 106.292202][ T957] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 106.292513][ T957] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 106.292857][ T957] __sys_sendmsg (net/socket.c:2700) 
[ 106.293204][ T957] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 106.293524][ T957] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 106.293859][ T957] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 106.294196][ T957] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 106.294517][ T957] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 106.294848][ T957] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  106.295264][  T957] RIP: 0033:0x7f5d2e7131e7
[ 106.295589][ T957] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  106.296753][  T957] RSP: 002b:00007fff1b4a1bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  106.297252][  T957] RAX: ffffffffffffffda RBX: 00007fff1b4a2320 RCX: 00007f5d2e7131e7
[  106.297740][  T957] RDX: 0000000000000000 RSI: 00007fff1b4a1c60 RDI: 0000000000000005
[  106.298228][  T957] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  106.298711][  T957] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff1b4a2358
[  106.299183][  T957] R13: 00000000686e6be0 R14: 0000000000499600 R15: 0000000000000000
| [  106.431713][  T958] ------------[ cut here ]------------
| [ 106.432026][ T958] WARNING: CPU: 0 PID: 958 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  106.432709][  T958] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  106.433920][  T958] Tainted: [W]=WARN
[  106.434162][  T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 106.434579][ T958] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 106.434915][ T958] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  106.436082][  T958] RSP: 0018:ffffc90000597080 EFLAGS: 00010246
[  106.436494][  T958] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  106.436983][  T958] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  106.437486][  T958] RBP: ffffc90000597168 R08: 0000000000000000 R09: 0000000000000000
[  106.437995][  T958] R10: ffffc90000597198 R11: ffffffff96ea8918 R12: 1ffff920000b2e14
[  106.438497][  T958] R13: 00000000000005dc R14: ffffc90000597198 R15: ffff88800c002f08
[  106.438988][  T958] FS:  00007f5d1f690800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  106.439562][  T958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.439978][  T958] CR2: 00000000004a1738 CR3: 000000000cbdc003 CR4: 0000000000772ef0
[  106.440471][  T958] PKRU: 55555554
[  106.440722][  T958] Call Trace:
[  106.440958][  T958]  <TASK>
[ 106.441123][ T958] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 106.441447][ T958] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 106.441868][ T958] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 106.442283][ T958] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 106.442605][ T958] netif_set_mtu (net/core/dev.c:9652) 
[ 106.442940][ T958] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 106.443283][ T958] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 106.443747][ T958] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 106.444003][ T958] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 106.444453][ T958] br_add_if (net/bridge/br_if.c:697) bridge 
[ 106.444838][ T958] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 106.445192][ T958] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 106.445514][ T958] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 106.445843][ T958] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 106.446157][ T958] ? __dev_get_by_name (net/core/dev.c:865) 
[ 106.446474][ T958] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.446798][ T958] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.447119][ T958] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 106.447435][ T958] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.447764][ T958] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 106.448091][ T958] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 106.448421][ T958] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.448758][ T958] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 106.449070][ T958] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 106.449388][ T958] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.449711][ T958] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 106.450037][ T958] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.450355][ T958] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.450684][ T958] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 106.450997][ T958] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.451308][ T958] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 106.451635][ T958] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 106.451964][ T958] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 106.452288][ T958] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 106.452608][ T958] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 106.452933][ T958] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.453254][ T958] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 106.453583][ T958] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 106.453919][ T958] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 106.454245][ T958] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 106.454563][ T958] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 106.454883][ T958] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 106.455280][ T958] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 106.455605][ T958] ___sys_sendmsg (net/socket.c:2670) 
[ 106.455932][ T958] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 106.456249][ T958] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 106.456565][ T958] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.456887][ T958] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 106.457207][ T958] ? __handle_mm_fault (mm/memory.c:6212) 
[ 106.457523][ T958] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 106.457850][ T958] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 106.458181][ T958] __sys_sendmsg (net/socket.c:2700) 
[ 106.458507][ T958] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 106.458846][ T958] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 106.459170][ T958] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 106.459501][ T958] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 106.459830][ T958] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 106.460166][ T958] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  106.460560][  T958] RIP: 0033:0x7f5d1f85d1e7
[ 106.460900][ T958] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  106.462050][  T958] RSP: 002b:00007ffc9bbcd4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  106.462560][  T958] RAX: ffffffffffffffda RBX: 00007ffc9bbcdbe0 RCX: 00007f5d1f85d1e7
[  106.463068][  T958] RDX: 0000000000000000 RSI: 00007ffc9bbcd520 RDI: 0000000000000005
[  106.463558][  T958] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  106.464061][  T958] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9bbcdc18
[  106.464543][  T958] R13: 00000000686e6be0 R14: 0000000000499600 R15: 0000000000000000
| [  106.604698][  T960] ------------[ cut here ]------------
| [ 106.605040][ T960] WARNING: CPU: 2 PID: 960 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  106.605711][  T960] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  106.606933][  T960] Tainted: [W]=WARN
[  106.607188][  T960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 106.607631][ T960] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 106.607998][ T960] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  106.609220][  T960] RSP: 0018:ffffc90000577080 EFLAGS: 00010246
[  106.609703][  T960] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  106.610189][  T960] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  106.610703][  T960] RBP: ffffc90000577168 R08: 0000000000000000 R09: 0000000000000000
[  106.611202][  T960] R10: ffffc90000577198 R11: ffffffff96ea8918 R12: 1ffff920000aee14
[  106.611731][  T960] R13: 00000000000005dc R14: ffffc90000577198 R15: ffff88800c002f08
[  106.612215][  T960] FS:  00007f1b71dd3800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  106.612824][  T960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.613237][  T960] CR2: 00000000004a1738 CR3: 0000000008d87002 CR4: 0000000000772ef0
[  106.613884][  T960] PKRU: 55555554
[  106.614283][  T960] Call Trace:
[  106.614718][  T960]  <TASK>
[ 106.615017][ T960] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 106.615579][ T960] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 106.616171][ T960] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 106.616909][ T960] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 106.617472][ T960] netif_set_mtu (net/core/dev.c:9652) 
[ 106.618080][ T960] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 106.618720][ T960] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 106.619523][ T960] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 106.619996][ T960] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 106.620818][ T960] br_add_if (net/bridge/br_if.c:697) bridge 
[ 106.621456][ T960] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 106.621889][ T960] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 106.622227][ T960] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 106.622596][ T960] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 106.622938][ T960] ? __dev_get_by_name (net/core/dev.c:865) 
[ 106.623271][ T960] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.623619][ T960] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.623998][ T960] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 106.624325][ T960] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.624693][ T960] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 106.625032][ T960] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 106.625367][ T960] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.625731][ T960] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 106.626061][ T960] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 106.626397][ T960] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.626792][ T960] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 106.627123][ T960] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.627467][ T960] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.627816][ T960] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 106.628153][ T960] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.628507][ T960] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 106.628860][ T960] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 106.629192][ T960] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 106.629539][ T960] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 106.629888][ T960] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 106.630259][ T960] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.630845][ T960] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 106.631422][ T960] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 106.632021][ T960] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 106.632600][ T960] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 106.633215][ T960] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 106.633823][ T960] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 106.634549][ T960] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 106.635165][ T960] ___sys_sendmsg (net/socket.c:2670) 
[ 106.635771][ T960] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 106.636373][ T960] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 106.636977][ T960] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.637567][ T960] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 106.638155][ T960] ? __handle_mm_fault (mm/memory.c:6212) 
[ 106.638556][ T960] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 106.638904][ T960] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 106.639254][ T960] __sys_sendmsg (net/socket.c:2700) 
[ 106.639734][ T960] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 106.640138][ T960] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 106.640503][ T960] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 106.640855][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 106.641198][ T960] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 106.641541][ T960] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  106.642190][  T960] RIP: 0033:0x7f1b71fa01e7
[ 106.642542][ T960] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  106.643939][  T960] RSP: 002b:00007ffe7cc9f418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  106.644682][  T960] RAX: ffffffffffffffda RBX: 00007ffe7cc9fb40 RCX: 00007f1b71fa01e7
[  106.645467][  T960] RDX: 0000000000000000 RSI: 00007ffe7cc9f480 RDI: 0000000000000005
[  106.646329][  T960] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  106.647219][  T960] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7cc9fb78
[  106.648543][  T960] R13: 00000000686e6be0 R14: 0000000000499600 R15: 0000000000000000
| [  106.802132][  T963] ------------[ cut here ]------------
| [ 106.802467][ T963] WARNING: CPU: 0 PID: 963 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  106.803136][  T963] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  106.804299][  T963] Tainted: [W]=WARN
[  106.804547][  T963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 106.804960][ T963] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 106.805300][ T963] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  106.806459][  T963] RSP: 0018:ffffc90002277080 EFLAGS: 00010246
[  106.806875][  T963] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  106.807359][  T963] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  106.807852][  T963] RBP: ffffc90002277168 R08: 0000000000000000 R09: 0000000000000000
[  106.808336][  T963] R10: ffffc90002277198 R11: ffffffff96ea8918 R12: 1ffff9200044ee14
[  106.808819][  T963] R13: 00000000000005dc R14: ffffc90002277198 R15: ffff88800c002f08
[  106.809324][  T963] FS:  00007fd875d2b800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  106.809904][  T963] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.810307][  T963] CR2: 00000000004a1738 CR3: 000000000e75f003 CR4: 0000000000772ef0
[  106.810804][  T963] PKRU: 55555554
[  106.811055][  T963] Call Trace:
[  106.811296][  T963]  <TASK>
[ 106.811457][ T963] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 106.811792][ T963] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 106.812119][ T963] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 106.812509][ T963] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 106.812838][ T963] netif_set_mtu (net/core/dev.c:9652) 
[ 106.813153][ T963] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 106.813498][ T963] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 106.813948][ T963] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 106.814188][ T963] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 106.814636][ T963] br_add_if (net/bridge/br_if.c:697) bridge 
[ 106.815026][ T963] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 106.815353][ T963] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 106.815716][ T963] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 106.816060][ T963] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 106.816388][ T963] ? __dev_get_by_name (net/core/dev.c:865) 
[ 106.816719][ T963] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.817038][ T963] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.817366][ T963] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 106.817687][ T963] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.818011][ T963] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 106.818355][ T963] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 106.818692][ T963] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.819018][ T963] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 106.819333][ T963] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 106.819658][ T963] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.819973][ T963] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 106.820289][ T963] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.820607][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.820943][ T963] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 106.821262][ T963] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.821576][ T963] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 106.821910][ T963] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 106.822221][ T963] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 106.822534][ T963] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 106.822878][ T963] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 106.823196][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.823530][ T963] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 106.823870][ T963] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 106.824200][ T963] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 106.824532][ T963] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 106.824872][ T963] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 106.825185][ T963] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 106.825592][ T963] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 106.825931][ T963] ___sys_sendmsg (net/socket.c:2670) 
[ 106.826245][ T963] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 106.826562][ T963] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 106.826886][ T963] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.827197][ T963] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 106.827524][ T963] ? __handle_mm_fault (mm/memory.c:6212) 
[ 106.827859][ T963] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 106.828174][ T963] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 106.828516][ T963] __sys_sendmsg (net/socket.c:2700) 
[ 106.828838][ T963] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 106.829153][ T963] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 106.829475][ T963] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 106.829808][ T963] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 106.830129][ T963] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 106.830444][ T963] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  106.830841][  T963] RIP: 0033:0x7fd875ef81e7
[ 106.831170][ T963] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  106.832306][  T963] RSP: 002b:00007ffc73aedeb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  106.832808][  T963] RAX: ffffffffffffffda RBX: 00007ffc73aee5e0 RCX: 00007fd875ef81e7
[  106.833298][  T963] RDX: 0000000000000000 RSI: 00007ffc73aedf20 RDI: 0000000000000005
[  106.833777][  T963] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  106.834253][  T963] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc73aee618
[  106.834730][  T963] R13: 00000000686e6be0 R14: 0000000000499600 R15: 0000000000000000
| [  106.995089][  T964] ------------[ cut here ]------------
| [ 106.995403][ T964] WARNING: CPU: 0 PID: 964 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  106.996241][  T964] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  106.997380][  T964] Tainted: [W]=WARN
[  106.997617][  T964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 106.998020][ T964] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 106.998370][ T964] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  106.999502][  T964] RSP: 0018:ffffc90002277080 EFLAGS: 00010246
[  106.999908][  T964] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  107.000383][  T964] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  107.000859][  T964] RBP: ffffc90002277168 R08: 0000000000000000 R09: 0000000000000000
[  107.001336][  T964] R10: ffffc90002277198 R11: ffffffff96ea8918 R12: 1ffff9200044ee14
[  107.001816][  T964] R13: 00000000000005dc R14: ffffc90002277198 R15: ffff88800c002f08
[  107.002293][  T964] FS:  00007f4b78881800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  107.002860][  T964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.003262][  T964] CR2: 00000000004a1738 CR3: 000000000fc5d006 CR4: 0000000000772ef0
[  107.003765][  T964] PKRU: 55555554
[  107.004014][  T964] Call Trace:
[  107.004259][  T964]  <TASK>
[ 107.004430][ T964] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 107.004772][ T964] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 107.005110][ T964] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 107.005525][ T964] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 107.005858][ T964] netif_set_mtu (net/core/dev.c:9652) 
[ 107.006195][ T964] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 107.006535][ T964] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 107.006996][ T964] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 107.007246][ T964] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 107.007696][ T964] br_add_if (net/bridge/br_if.c:697) bridge 
[ 107.008073][ T964] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 107.008414][ T964] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 107.008741][ T964] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 107.009079][ T964] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 107.009392][ T964] ? __dev_get_by_name (net/core/dev.c:865) 
[ 107.009723][ T964] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.010038][ T964] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.010368][ T964] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 107.010699][ T964] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.011028][ T964] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 107.011362][ T964] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 107.011699][ T964] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.012041][ T964] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 107.012368][ T964] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 107.012705][ T964] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.013020][ T964] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 107.013351][ T964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.013683][ T964] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.014019][ T964] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 107.014351][ T964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.014690][ T964] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 107.015032][ T964] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 107.015360][ T964] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 107.015693][ T964] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 107.016020][ T964] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 107.016349][ T964] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.016684][ T964] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 107.017015][ T964] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 107.017345][ T964] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 107.017682][ T964] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 107.018002][ T964] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 107.018354][ T964] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 107.018778][ T964] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 107.019110][ T964] ___sys_sendmsg (net/socket.c:2670) 
[ 107.019455][ T964] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 107.019784][ T964] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 107.020108][ T964] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.020433][ T964] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 107.020771][ T964] ? __handle_mm_fault (mm/memory.c:6212) 
[ 107.021112][ T964] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 107.021445][ T964] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 107.021800][ T964] __sys_sendmsg (net/socket.c:2700) 
[ 107.022125][ T964] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 107.022448][ T964] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 107.022777][ T964] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 107.023109][ T964] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 107.023446][ T964] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 107.023770][ T964] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  107.024396][  T964] RIP: 0033:0x7f4b78a4e1e7
[ 107.024980][ T964] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  107.026636][  T964] RSP: 002b:00007ffd1fcf8db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  107.027347][  T964] RAX: ffffffffffffffda RBX: 00007ffd1fcf94e0 RCX: 00007f4b78a4e1e7
[  107.027832][  T964] RDX: 0000000000000000 RSI: 00007ffd1fcf8e20 RDI: 0000000000000005
[  107.028563][  T964] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  107.029306][  T964] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1fcf9518
[  107.029790][  T964] R13: 00000000686e6be0 R14: 0000000000499600 R15: 0000000000000000
| [  107.191250][  T966] ------------[ cut here ]------------
| [ 107.191581][ T966] WARNING: CPU: 3 PID: 966 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  107.192265][  T966] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  107.193425][  T966] Tainted: [W]=WARN
[  107.193686][  T966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 107.194083][ T966] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 107.194411][ T966] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  107.195596][  T966] RSP: 0018:ffffc900006d7080 EFLAGS: 00010246
[  107.196019][  T966] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  107.196490][  T966] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  107.196990][  T966] RBP: ffffc900006d7168 R08: 0000000000000000 R09: 0000000000000000
[  107.197461][  T966] R10: ffffc900006d7198 R11: ffffffff96ea8918 R12: 1ffff920000dae14
[  107.197952][  T966] R13: 00000000000005dc R14: ffffc900006d7198 R15: ffff88800c002f08
[  107.198436][  T966] FS:  00007ff7a20c5800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  107.199008][  T966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.199407][  T966] CR2: 00007f8bd132f938 CR3: 000000000b4c1006 CR4: 0000000000772ef0
[  107.199915][  T966] PKRU: 55555554
[  107.200150][  T966] Call Trace:
[  107.200388][  T966]  <TASK>
[ 107.200551][ T966] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 107.200908][ T966] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 107.201225][ T966] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 107.201620][ T966] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 107.201980][ T966] netif_set_mtu (net/core/dev.c:9652) 
[ 107.202302][ T966] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 107.202634][ T966] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 107.203104][ T966] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 107.203343][ T966] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 107.203806][ T966] br_add_if (net/bridge/br_if.c:697) bridge 
[ 107.204168][ T966] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 107.204489][ T966] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 107.204837][ T966] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 107.205156][ T966] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 107.205467][ T966] ? __dev_get_by_name (net/core/dev.c:865) 
[ 107.205806][ T966] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.206123][ T966] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.206444][ T966] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 107.206776][ T966] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.207103][ T966] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 107.207429][ T966] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 107.207764][ T966] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.208120][ T966] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 107.208449][ T966] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 107.208793][ T966] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.209126][ T966] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 107.209446][ T966] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.209776][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.210108][ T966] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 107.210425][ T966] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.210754][ T966] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 107.211099][ T966] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 107.211414][ T966] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 107.211745][ T966] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 107.212077][ T966] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 107.212397][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.212732][ T966] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 107.213067][ T966] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 107.213385][ T966] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 107.213716][ T966] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 107.214065][ T966] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 107.214379][ T966] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 107.214789][ T966] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 107.215127][ T966] ___sys_sendmsg (net/socket.c:2670) 
[ 107.215444][ T966] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 107.215767][ T966] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 107.216102][ T966] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.216416][ T966] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 107.216756][ T966] ? __handle_mm_fault (mm/memory.c:6212) 
[ 107.217081][ T966] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 107.217394][ T966] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 107.217732][ T966] __sys_sendmsg (net/socket.c:2700) 
[ 107.218066][ T966] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 107.218399][ T966] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 107.218731][ T966] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 107.219065][ T966] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 107.219384][ T966] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 107.219710][ T966] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  107.220134][  T966] RIP: 0033:0x7ff7a22921e7
[ 107.220460][ T966] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  107.221608][  T966] RSP: 002b:00007fff20d5af88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  107.222102][  T966] RAX: ffffffffffffffda RBX: 00007fff20d5b6b0 RCX: 00007ff7a22921e7
[  107.222575][  T966] RDX: 0000000000000000 RSI: 00007fff20d5aff0 RDI: 0000000000000005
[  107.223049][  T966] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  107.223534][  T966] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff20d5b6e8
[  107.224008][  T966] R13: 00000000686e6be0 R14: 0000000000499600 R15: 0000000000000000
| [  107.376048][  T969] ------------[ cut here ]------------
| [ 107.376404][ T969] WARNING: CPU: 2 PID: 969 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  107.377163][  T969] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  107.378394][  T969] Tainted: [W]=WARN
[  107.378655][  T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 107.379063][ T969] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 107.379404][ T969] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  107.380601][  T969] RSP: 0018:ffffc90002277080 EFLAGS: 00010246
[  107.381031][  T969] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  107.381567][  T969] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  107.382076][  T969] RBP: ffffc90002277168 R08: 0000000000000000 R09: 0000000000000000
[  107.382600][  T969] R10: ffffc90002277198 R11: ffffffff96ea8918 R12: 1ffff9200044ee14
[  107.383137][  T969] R13: 00000000000005dc R14: ffffc90002277198 R15: ffff88800c002f08
[  107.383644][  T969] FS:  00007f70c974e800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  107.384211][  T969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.384633][  T969] CR2: 00000000004a1738 CR3: 0000000009019001 CR4: 0000000000772ef0
[  107.385149][  T969] PKRU: 55555554
[  107.385408][  T969] Call Trace:
[  107.385675][  T969]  <TASK>
[ 107.385881][ T969] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 107.386255][ T969] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 107.386603][ T969] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 107.387049][ T969] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 107.387398][ T969] netif_set_mtu (net/core/dev.c:9652) 
[ 107.387759][ T969] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 107.388124][ T969] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 107.388599][ T969] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 107.388873][ T969] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 107.389345][ T969] br_add_if (net/bridge/br_if.c:697) bridge 
[ 107.389752][ T969] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 107.390104][ T969] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 107.390463][ T969] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 107.390827][ T969] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 107.391162][ T969] ? __dev_get_by_name (net/core/dev.c:865) 
[ 107.391511][ T969] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.391856][ T969] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.392202][ T969] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 107.392532][ T969] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.392905][ T969] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 107.393266][ T969] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 107.393622][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.393993][ T969] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 107.394335][ T969] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 107.394692][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.395030][ T969] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 107.395366][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.395712][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.396077][ T969] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 107.396416][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.396777][ T969] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 107.397146][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 107.397493][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 107.397859][ T969] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 107.398220][ T969] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 107.398572][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.398944][ T969] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 107.399286][ T969] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 107.399620][ T969] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 107.400005][ T969] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 107.400353][ T969] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 107.400698][ T969] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 107.401136][ T969] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 107.401489][ T969] ___sys_sendmsg (net/socket.c:2670) 
[ 107.401842][ T969] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 107.402179][ T969] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 107.402535][ T969] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.402881][ T969] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 107.403230][ T969] ? __handle_mm_fault (mm/memory.c:6212) 
[ 107.403571][ T969] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 107.403944][ T969] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 107.404304][ T969] __sys_sendmsg (net/socket.c:2700) 
[ 107.404679][ T969] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 107.405033][ T969] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 107.405404][ T969] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 107.405775][ T969] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 107.406122][ T969] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 107.406467][ T969] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  107.406901][  T969] RIP: 0033:0x7f70c991b1e7
[ 107.407252][ T969] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  107.408457][  T969] RSP: 002b:00007ffdfb4cbb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  107.408982][  T969] RAX: ffffffffffffffda RBX: 00007ffdfb4cc240 RCX: 00007f70c991b1e7
[  107.409493][  T969] RDX: 0000000000000000 RSI: 00007ffdfb4cbb80 RDI: 0000000000000005
[  107.409997][  T969] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  107.410496][  T969] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdfb4cc278
[  107.411018][  T969] R13: 00000000686e6be1 R14: 0000000000499600 R15: 0000000000000000
| [  107.567048][  T971] ------------[ cut here ]------------
| [ 107.567366][ T971] WARNING: CPU: 0 PID: 971 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  107.568056][  T971] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  107.569240][  T971] Tainted: [W]=WARN
[  107.569486][  T971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 107.569908][ T971] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 107.570246][ T971] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  107.571417][  T971] RSP: 0018:ffffc90002277080 EFLAGS: 00010246
[  107.571833][  T971] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  107.572322][  T971] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  107.572823][  T971] RBP: ffffc90002277168 R08: 0000000000000000 R09: 0000000000000000
[  107.573309][  T971] R10: ffffc90002277198 R11: ffffffff96ea8918 R12: 1ffff9200044ee14
[  107.573805][  T971] R13: 00000000000005dc R14: ffffc90002277198 R15: ffff88800c002f08
[  107.574292][  T971] FS:  00007f1a0d6dc800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  107.575050][  T971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.575474][  T971] CR2: 00000000004a1738 CR3: 000000000cbe4004 CR4: 0000000000772ef0
[  107.575985][  T971] PKRU: 55555554
[  107.576229][  T971] Call Trace:
[  107.576473][  T971]  <TASK>
[ 107.576661][ T971] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 107.577010][ T971] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 107.577345][ T971] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 107.577775][ T971] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 107.578105][ T971] netif_set_mtu (net/core/dev.c:9652) 
[ 107.578449][ T971] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 107.578806][ T971] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 107.579275][ T971] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 107.579532][ T971] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 107.579978][ T971] br_add_if (net/bridge/br_if.c:697) bridge 
[ 107.580348][ T971] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 107.580681][ T971] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 107.581006][ T971] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 107.581328][ T971] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 107.581640][ T971] ? __dev_get_by_name (net/core/dev.c:865) 
[ 107.581966][ T971] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.582287][ T971] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.582615][ T971] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 107.582939][ T971] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.583269][ T971] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 107.583599][ T971] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 107.583927][ T971] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.584255][ T971] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 107.584571][ T971] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 107.584909][ T971] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.585241][ T971] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 107.585554][ T971] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.585881][ T971] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.586200][ T971] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 107.586512][ T971] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.586841][ T971] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 107.587174][ T971] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 107.587484][ T971] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 107.587808][ T971] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 107.588128][ T971] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 107.588462][ T971] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.588791][ T971] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 107.589110][ T971] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 107.589430][ T971] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 107.589763][ T971] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 107.590085][ T971] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 107.590399][ T971] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 107.590799][ T971] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 107.591122][ T971] ___sys_sendmsg (net/socket.c:2670) 
[ 107.591441][ T971] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 107.591765][ T971] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 107.592106][ T971] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.592419][ T971] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 107.592748][ T971] ? __handle_mm_fault (mm/memory.c:6212) 
[ 107.593065][ T971] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 107.593377][ T971] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 107.593726][ T971] __sys_sendmsg (net/socket.c:2700) 
[ 107.594041][ T971] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 107.594355][ T971] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 107.594686][ T971] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 107.595003][ T971] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 107.595317][ T971] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 107.595632][ T971] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  107.596031][  T971] RIP: 0033:0x7f1a0d8a91e7
[ 107.596352][ T971] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  107.597477][  T971] RSP: 002b:00007ffda4565908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  107.597956][  T971] RAX: ffffffffffffffda RBX: 00007ffda4566030 RCX: 00007f1a0d8a91e7
[  107.598441][  T971] RDX: 0000000000000000 RSI: 00007ffda4565970 RDI: 0000000000000005
[  107.598919][  T971] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  107.599387][  T971] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda4566068
[  107.599860][  T971] R13: 00000000686e6be1 R14: 0000000000499600 R15: 0000000000000000
| [  107.727996][  T972] ------------[ cut here ]------------
| [ 107.728341][ T972] WARNING: CPU: 0 PID: 972 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  107.729048][  T972] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  107.730269][  T972] Tainted: [W]=WARN
[  107.730522][  T972] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 107.730953][ T972] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 107.731296][ T972] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  107.732490][  T972] RSP: 0018:ffffc90002207080 EFLAGS: 00010246
[  107.732917][  T972] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  107.733415][  T972] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  107.733926][  T972] RBP: ffffc90002207168 R08: 0000000000000000 R09: 0000000000000000
[  107.734425][  T972] R10: ffffc90002207198 R11: ffffffff96ea8918 R12: 1ffff92000440e14
[  107.734940][  T972] R13: 00000000000005dc R14: ffffc90002207198 R15: ffff88800c002f08
[  107.735451][  T972] FS:  00007f794a2b3800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  107.736039][  T972] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.736453][  T972] CR2: 00000000004a1738 CR3: 000000000cbe4006 CR4: 0000000000772ef0
[  107.736973][  T972] PKRU: 55555554
[  107.737220][  T972] Call Trace:
[  107.737473][  T972]  <TASK>
[ 107.737653][ T972] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 107.737989][ T972] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 107.738348][ T972] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 107.738757][ T972] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 107.739073][ T972] netif_set_mtu (net/core/dev.c:9652) 
[ 107.739388][ T972] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 107.739738][ T972] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 107.740176][ T972] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 107.740415][ T972] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 107.740849][ T972] br_add_if (net/bridge/br_if.c:697) bridge 
[ 107.741211][ T972] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 107.741530][ T972] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 107.741854][ T972] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 107.742172][ T972] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 107.742483][ T972] ? __dev_get_by_name (net/core/dev.c:865) 
[ 107.742804][ T972] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.743121][ T972] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.743439][ T972] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 107.743765][ T972] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.744088][ T972] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 107.744416][ T972] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 107.744743][ T972] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.745069][ T972] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 107.745377][ T972] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 107.745702][ T972] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.746013][ T972] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 107.746331][ T972] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.746655][ T972] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.746975][ T972] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 107.747289][ T972] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.747603][ T972] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 107.747940][ T972] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 107.748261][ T972] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 107.748581][ T972] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 107.748903][ T972] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 107.749214][ T972] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.749532][ T972] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 107.749858][ T972] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 107.750171][ T972] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 107.750490][ T972] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 107.750818][ T972] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 107.751133][ T972] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 107.751530][ T972] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 107.751866][ T972] ___sys_sendmsg (net/socket.c:2670) 
[ 107.752182][ T972] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 107.752493][ T972] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 107.752814][ T972] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.753131][ T972] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 107.753448][ T972] ? __handle_mm_fault (mm/memory.c:6212) 
[ 107.753769][ T972] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 107.754080][ T972] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 107.754409][ T972] __sys_sendmsg (net/socket.c:2700) 
[ 107.754730][ T972] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 107.755045][ T972] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 107.755368][ T972] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 107.755692][ T972] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 107.756011][ T972] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 107.756324][ T972] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  107.756745][  T972] RIP: 0033:0x7f794a4801e7
[ 107.757069][ T972] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  107.758193][  T972] RSP: 002b:00007ffd5deba398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  107.758682][  T972] RAX: ffffffffffffffda RBX: 00007ffd5debaac0 RCX: 00007f794a4801e7
[  107.759153][  T972] RDX: 0000000000000000 RSI: 00007ffd5deba400 RDI: 0000000000000005
[  107.759626][  T972] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  107.760673][  T972] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5debaaf8
[  107.761144][  T972] R13: 00000000686e6be1 R14: 0000000000499600 R15: 0000000000000000
| [  107.933045][  T974] ------------[ cut here ]------------
| [ 107.933540][ T974] WARNING: CPU: 2 PID: 974 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  107.934429][  T974] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  107.935661][  T974] Tainted: [W]=WARN
[  107.935930][  T974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 107.936362][ T974] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 107.936735][ T974] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  107.937969][  T974] RSP: 0018:ffffc90000587080 EFLAGS: 00010246
[  107.938440][  T974] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  107.938958][  T974] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  107.939478][  T974] RBP: ffffc90000587168 R08: 0000000000000000 R09: 0000000000000000
[  107.940032][  T974] R10: ffffc90000587198 R11: ffffffff96ea8918 R12: 1ffff920000b0e14
[  107.940527][  T974] R13: 00000000000005dc R14: ffffc90000587198 R15: ffff88800c002f08
[  107.941023][  T974] FS:  00007fda8478c800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  107.941620][  T974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.942062][  T974] CR2: 00007f8bd12ace80 CR3: 000000000e679003 CR4: 0000000000772ef0
[  107.942570][  T974] PKRU: 55555554
[  107.942842][  T974] Call Trace:
[  107.943091][  T974]  <TASK>
[ 107.943266][ T974] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 107.943624][ T974] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 107.943968][ T974] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 107.944376][ T974] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 107.944728][ T974] netif_set_mtu (net/core/dev.c:9652) 
[ 107.945063][ T974] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 107.945398][ T974] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 107.945859][ T974] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 107.946115][ T974] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 107.946578][ T974] br_add_if (net/bridge/br_if.c:697) bridge 
[ 107.947009][ T974] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 107.947345][ T974] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 107.947691][ T974] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 107.948029][ T974] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 107.948393][ T974] ? __dev_get_by_name (net/core/dev.c:865) 
[ 107.948746][ T974] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.949090][ T974] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 107.949441][ T974] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 107.949788][ T974] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.950148][ T974] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 107.950494][ T974] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 107.950868][ T974] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.951214][ T974] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 107.951547][ T974] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 107.951902][ T974] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 107.952261][ T974] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 107.952604][ T974] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.952966][ T974] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.953303][ T974] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 107.953656][ T974] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 107.954005][ T974] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 107.954371][ T974] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 107.954709][ T974] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 107.955058][ T974] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 107.955391][ T974] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 107.955737][ T974] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 107.956091][ T974] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 107.956437][ T974] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 107.956793][ T974] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 107.957132][ T974] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 107.957480][ T974] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 107.957838][ T974] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 107.958271][ T974] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 107.958607][ T974] ___sys_sendmsg (net/socket.c:2670) 
[ 107.958973][ T974] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 107.959302][ T974] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 107.959632][ T974] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 107.959970][ T974] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 107.960338][ T974] ? __handle_mm_fault (mm/memory.c:6212) 
[ 107.960698][ T974] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 107.961040][ T974] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 107.961381][ T974] __sys_sendmsg (net/socket.c:2700) 
[ 107.961733][ T974] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 107.962060][ T974] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 107.962395][ T974] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 107.962741][ T974] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 107.963072][ T974] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 107.963414][ T974] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  107.963846][  T974] RIP: 0033:0x7fda849591e7
[ 107.964183][ T974] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  107.965379][  T974] RSP: 002b:00007fffac4a7ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  107.965886][  T974] RAX: ffffffffffffffda RBX: 00007fffac4a8610 RCX: 00007fda849591e7
[  107.966373][  T974] RDX: 0000000000000000 RSI: 00007fffac4a7f50 RDI: 0000000000000005
[  107.966867][  T974] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  107.967377][  T974] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffac4a8648
[  107.967895][  T974] R13: 00000000686e6be1 R14: 0000000000499600 R15: 0000000000000000
| [  108.142110][  T976] ------------[ cut here ]------------
| [ 108.142447][ T976] WARNING: CPU: 2 PID: 976 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  108.143931][  T976] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.145447][  T976] Tainted: [W]=WARN
[  108.145737][  T976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.146216][ T976] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 108.146637][ T976] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  108.147863][  T976] RSP: 0018:ffffc90000567080 EFLAGS: 00010246
[  108.148337][  T976] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  108.148981][  T976] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  108.149512][  T976] RBP: ffffc90000567168 R08: 0000000000000000 R09: 0000000000000000
[  108.150105][  T976] R10: ffffc90000567198 R11: ffffffff96ea8918 R12: 1ffff920000ace14
[  108.150629][  T976] R13: 00000000000005dc R14: ffffc90000567198 R15: ffff88800c002f08
[  108.151161][  T976] FS:  00007fa718353800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  108.151805][  T976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.152239][  T976] CR2: 00007f8bd10e7a00 CR3: 000000000b454003 CR4: 0000000000772ef0
[  108.152847][  T976] PKRU: 55555554
[  108.153118][  T976] Call Trace:
[  108.153381][  T976]  <TASK>
[ 108.153575][ T976] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.153949][ T976] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.154399][ T976] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.154969][ T976] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.155323][ T976] netif_set_mtu (net/core/dev.c:9652) 
[ 108.155764][ T976] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.156142][ T976] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.156636][ T976] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.157013][ T976] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.157589][ T976] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.158073][ T976] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 108.158463][ T976] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.158914][ T976] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.159271][ T976] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.159786][ T976] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.160139][ T976] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.160494][ T976] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.160873][ T976] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.161284][ T976] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.161670][ T976] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.162051][ T976] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.162541][ T976] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.163041][ T976] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.163567][ T976] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.164159][ T976] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.164510][ T976] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.164939][ T976] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.165366][ T976] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.165891][ T976] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.166478][ T976] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.167099][ T976] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.167728][ T976] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.168317][ T976] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 108.168920][ T976] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 108.169518][ T976] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.170113][ T976] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.170727][ T976] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.171318][ T976] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.171931][ T976] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.172430][ T976] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.172910][ T976] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.173336][ T976] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.173963][ T976] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.174353][ T976] ___sys_sendmsg (net/socket.c:2670) 
[ 108.174803][ T976] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.175149][ T976] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.175482][ T976] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.175844][ T976] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.176312][ T976] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.176697][ T976] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.177138][ T976] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.177595][ T976] __sys_sendmsg (net/socket.c:2700) 
[ 108.178086][ T976] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.178496][ T976] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 108.178870][ T976] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 108.179297][ T976] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.179701][ T976] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.180052][ T976] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.180454][  T976] RIP: 0033:0x7fa7185201e7
[ 108.180917][ T976] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  108.182355][  T976] RSP: 002b:00007fff52081918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.183048][  T976] RAX: ffffffffffffffda RBX: 00007fff52082040 RCX: 00007fa7185201e7
[  108.183577][  T976] RDX: 0000000000000000 RSI: 00007fff52081980 RDI: 0000000000000005
[  108.184140][  T976] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.184646][  T976] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff52082078
[  108.185303][  T976] R13: 00000000686e6be1 R14: 0000000000499600 R15: 0000000000000000
| [  108.362478][  T979] ------------[ cut here ]------------
| [ 108.362913][ T979] WARNING: CPU: 3 PID: 979 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  108.363555][  T979] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.364766][  T979] Tainted: [W]=WARN
[  108.365030][  T979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.365451][ T979] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 108.365814][ T979] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  108.366995][  T979] RSP: 0018:ffffc90000607080 EFLAGS: 00010246
[  108.367404][  T979] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  108.367913][  T979] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  108.368436][  T979] RBP: ffffc90000607168 R08: 0000000000000000 R09: 0000000000000000
[  108.368944][  T979] R10: ffffc90000607198 R11: ffffffff96ea8918 R12: 1ffff920000c0e14
[  108.369419][  T979] R13: 00000000000005dc R14: ffffc90000607198 R15: ffff88800c002f08
[  108.369927][  T979] FS:  00007fd871ce5800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  108.370479][  T979] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.370882][  T979] CR2: 00000000004a1738 CR3: 00000000051ad005 CR4: 0000000000772ef0
[  108.371382][  T979] PKRU: 55555554
[  108.371618][  T979] Call Trace:
[  108.371876][  T979]  <TASK>
[ 108.372041][ T979] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.372390][ T979] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.372715][ T979] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.373110][ T979] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.373429][ T979] netif_set_mtu (net/core/dev.c:9652) 
[ 108.373752][ T979] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.374110][ T979] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.374558][ T979] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.374823][ T979] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.375283][ T979] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.375674][ T979] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 108.375996][ T979] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.376322][ T979] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.376656][ T979] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.376968][ T979] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.377282][ T979] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.377602][ T979] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.377937][ T979] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.378279][ T979] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.378629][ T979] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.378972][ T979] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.379301][ T979] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.379631][ T979] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.379957][ T979] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.380282][ T979] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.380598][ T979] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.380949][ T979] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.381279][ T979] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.381619][ T979] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.381945][ T979] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.382263][ T979] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.382589][ T979] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.382910][ T979] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 108.383230][ T979] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 108.383554][ T979] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.383875][ T979] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.384196][ T979] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.384515][ T979] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.384838][ T979] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.385160][ T979] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.385477][ T979] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.385801][ T979] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.386208][ T979] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.386528][ T979] ___sys_sendmsg (net/socket.c:2670) 
[ 108.386853][ T979] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.387168][ T979] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.387489][ T979] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.387808][ T979] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.388130][ T979] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.388469][ T979] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.388789][ T979] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.389124][ T979] __sys_sendmsg (net/socket.c:2700) 
[ 108.389442][ T979] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.389763][ T979] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 108.390089][ T979] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 108.390416][ T979] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.390747][ T979] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.391073][ T979] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.391466][  T979] RIP: 0033:0x7fd871eb21e7
[ 108.391798][ T979] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  108.392936][  T979] RSP: 002b:00007fff3502b518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.393410][  T979] RAX: ffffffffffffffda RBX: 00007fff3502bc40 RCX: 00007fd871eb21e7
[  108.393892][  T979] RDX: 0000000000000000 RSI: 00007fff3502b580 RDI: 0000000000000005
[  108.394364][  T979] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.394878][  T979] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3502bc78
[  108.395351][  T979] R13: 00000000686e6be2 R14: 0000000000499600 R15: 0000000000000000
| [  108.603093][  T980] ------------[ cut here ]------------
| [ 108.603420][ T980] WARNING: CPU: 2 PID: 980 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  108.604122][  T980] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.605298][  T980] Tainted: [W]=WARN
[  108.605548][  T980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.605969][ T980] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 108.606320][ T980] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  108.607469][  T980] RSP: 0000:ffffc90000567080 EFLAGS: 00010246
[  108.607892][  T980] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  108.608395][  T980] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  108.608887][  T980] RBP: ffffc90000567168 R08: 0000000000000000 R09: 0000000000000000
[  108.609389][  T980] R10: ffffc90000567198 R11: ffffffff96ea8918 R12: 1ffff920000ace14
[  108.609880][  T980] R13: 00000000000005dc R14: ffffc90000567198 R15: ffff88800c002f08
[  108.610364][  T980] FS:  00007fdcd9257800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  108.610968][  T980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.611383][  T980] CR2: 00007f8bd10c62a0 CR3: 000000000e6e6003 CR4: 0000000000772ef0
[  108.611908][  T980] PKRU: 55555554
[  108.612160][  T980] Call Trace:
[  108.612408][  T980]  <TASK>
[ 108.612583][ T980] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.612931][ T980] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.613260][ T980] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.613696][ T980] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.614050][ T980] netif_set_mtu (net/core/dev.c:9652) 
[ 108.614382][ T980] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.614746][ T980] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.615212][ T980] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.615464][ T980] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.615920][ T980] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.616301][ T980] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 108.616631][ T980] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.616974][ T980] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.617323][ T980] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.617653][ T980] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.617980][ T980] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.618323][ T980] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.618672][ T980] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.618997][ T980] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.619335][ T980] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.619680][ T980] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.620014][ T980] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.620352][ T980] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.620689][ T980] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.621015][ T980] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.621342][ T980] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.621681][ T980] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.622040][ T980] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.622370][ T980] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.622707][ T980] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.623042][ T980] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.623381][ T980] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.623719][ T980] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 108.624045][ T980] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 108.624378][ T980] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.624712][ T980] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.625052][ T980] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.625404][ T980] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.625746][ T980] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.626080][ T980] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.626423][ T980] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.626759][ T980] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.627246][ T980] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.627579][ T980] ___sys_sendmsg (net/socket.c:2670) 
[ 108.627919][ T980] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.628257][ T980] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.628587][ T980] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.628919][ T980] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.629252][ T980] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.629593][ T980] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.629930][ T980] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.630278][ T980] __sys_sendmsg (net/socket.c:2700) 
[ 108.630605][ T980] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.630944][ T980] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 108.631281][ T980] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 108.631622][ T980] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.631963][ T980] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.632290][ T980] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.632705][  T980] RIP: 0033:0x7fdcd94241e7
[ 108.633039][ T980] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  108.634167][  T980] RSP: 002b:00007ffdd5dbf188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.634660][  T980] RAX: ffffffffffffffda RBX: 00007ffdd5dbf8b0 RCX: 00007fdcd94241e7
[  108.635150][  T980] RDX: 0000000000000000 RSI: 00007ffdd5dbf1f0 RDI: 0000000000000005
[  108.635631][  T980] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.636127][  T980] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd5dbf8e8
[  108.636604][  T980] R13: 00000000686e6be2 R14: 0000000000499600 R15: 0000000000000000
| [  108.813136][  T983] ------------[ cut here ]------------
| [ 108.813471][ T983] WARNING: CPU: 1 PID: 983 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  108.814215][  T983] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  108.815495][  T983] Tainted: [W]=WARN
[  108.816864][  T983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.817300][ T983] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 108.817640][ T983] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  108.818848][  T983] RSP: 0018:ffffc90000627080 EFLAGS: 00010246
[  108.819300][  T983] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  108.819812][  T983] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  108.820321][  T983] RBP: ffffc90000627168 R08: 0000000000000000 R09: 0000000000000000
[  108.820816][  T983] R10: ffffc90000627198 R11: ffffffff96ea8918 R12: 1ffff920000c4e14
[  108.821311][  T983] R13: 00000000000005dc R14: ffffc90000627198 R15: ffff88800c002f08
[  108.821818][  T983] FS:  00007f1acf6d3800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  108.822407][  T983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.822922][  T983] CR2: 00000000004a1738 CR3: 0000000009019003 CR4: 0000000000772ef0
[  108.823423][  T983] PKRU: 55555554
[  108.823687][  T983] Call Trace:
[  108.823958][  T983]  <TASK>
[ 108.824133][ T983] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.824510][ T983] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.824856][ T983] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.825278][ T983] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.825606][ T983] netif_set_mtu (net/core/dev.c:9652) 
[ 108.825961][ T983] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.826303][ T983] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 108.826773][ T983] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.827053][ T983] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 108.827506][ T983] br_add_if (net/bridge/br_if.c:697) bridge 
[ 108.827913][ T983] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 108.828329][ T983] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 108.828681][ T983] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 108.829055][ T983] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 108.829388][ T983] ? __dev_get_by_name (net/core/dev.c:865) 
[ 108.829726][ T983] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.830066][ T983] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 108.830406][ T983] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.830744][ T983] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.831090][ T983] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 108.831432][ T983] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.831776][ T983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.832150][ T983] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.832514][ T983] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.832861][ T983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.833433][ T983] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.834043][ T983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.834641][ T983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.835258][ T983] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.835850][ T983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.836439][ T983] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.837060][ T983] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.837670][ T983] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 108.838271][ T983] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 108.838871][ T983] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.839422][ T983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.839944][ T983] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.840288][ T983] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.840619][ T983] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.841005][ T983] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.841347][ T983] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.841690][ T983] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.842320][ T983] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 108.842952][ T983] ___sys_sendmsg (net/socket.c:2670) 
[ 108.843561][ T983] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.844167][ T983] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 108.844682][ T983] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 108.845045][ T983] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 108.845381][ T983] ? __handle_mm_fault (mm/memory.c:6212) 
[ 108.845725][ T983] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 108.846200][ T983] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 108.846849][ T983] __sys_sendmsg (net/socket.c:2700) 
[ 108.847435][ T983] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.847820][ T983] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 108.848170][ T983] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 108.848516][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.848964][ T983] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.849296][ T983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.849727][  T983] RIP: 0033:0x7f1acf8a01e7
[ 108.850228][ T983] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  108.851541][  T983] RSP: 002b:00007ffc29054378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.852049][  T983] RAX: ffffffffffffffda RBX: 00007ffc29054aa0 RCX: 00007f1acf8a01e7
[  108.852569][  T983] RDX: 0000000000000000 RSI: 00007ffc290543e0 RDI: 0000000000000005
[  108.853098][  T983] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  108.853669][  T983] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc29054ad8
[  108.854201][  T983] R13: 00000000686e6be2 R14: 0000000000499600 R15: 0000000000000000
| [  109.012683][  T984] ------------[ cut here ]------------
| [ 109.013018][ T984] WARNING: CPU: 2 PID: 984 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.013725][  T984] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.014907][  T984] Tainted: [W]=WARN
[  109.015164][  T984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.015578][ T984] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.015928][ T984] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  109.017134][  T984] RSP: 0018:ffffc90000617080 EFLAGS: 00010246
[  109.017549][  T984] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  109.018049][  T984] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  109.018550][  T984] RBP: ffffc90000617168 R08: 0000000000000000 R09: 0000000000000000
[  109.019042][  T984] R10: ffffc90000617198 R11: ffffffff96ea8918 R12: 1ffff920000c2e14
[  109.019538][  T984] R13: 00000000000005dc R14: ffffc90000617198 R15: ffff88800c002f08
[  109.020027][  T984] FS:  00007f34f4308800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  109.020593][  T984] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.021022][  T984] CR2: 00000000004a1738 CR3: 000000000b79c005 CR4: 0000000000772ef0
[  109.021595][  T984] PKRU: 55555554
[  109.021864][  T984] Call Trace:
[  109.022115][  T984]  <TASK>
[ 109.022294][ T984] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.022631][ T984] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.022973][ T984] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.023381][ T984] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.023724][ T984] netif_set_mtu (net/core/dev.c:9652) 
[ 109.024056][ T984] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.024398][ T984] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.024859][ T984] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.025114][ T984] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.025559][ T984] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.025943][ T984] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 109.026276][ T984] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.026610][ T984] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.026951][ T984] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.027277][ T984] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.027630][ T984] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.027973][ T984] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.028319][ T984] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.028655][ T984] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.029010][ T984] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.029346][ T984] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.029691][ T984] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.030039][ T984] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.030378][ T984] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.031180][ T984] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.031508][ T984] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.031842][ T984] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.032634][ T984] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.033001][ T984] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.033332][ T984] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.033671][ T984] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.034260][ T984] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.034588][ T984] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.034923][ T984] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.035258][ T984] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.035584][ T984] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.035927][ T984] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.036258][ T984] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.036589][ T984] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.036929][ T984] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.037257][ T984] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.037582][ T984] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.038230][ T984] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.038577][ T984] ___sys_sendmsg (net/socket.c:2670) 
[ 109.038917][ T984] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.039250][ T984] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.039575][ T984] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.040138][ T984] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.040467][ T984] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.040801][ T984] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.041129][ T984] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.041757][ T984] __sys_sendmsg (net/socket.c:2700) 
[ 109.042085][ T984] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.042411][ T984] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.042984][ T984] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.043315][ T984] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.043644][ T984] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.043995][ T984] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.044883][  T984] RIP: 0033:0x7f34f44d51e7
[ 109.045242][ T984] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  109.047161][  T984] RSP: 002b:00007fff811ff358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.047683][  T984] RAX: ffffffffffffffda RBX: 00007fff811ffa80 RCX: 00007f34f44d51e7
[  109.048189][  T984] RDX: 0000000000000000 RSI: 00007fff811ff3c0 RDI: 0000000000000005
[  109.048996][  T984] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.049510][  T984] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff811ffab8
[  109.050508][  T984] R13: 00000000686e6be2 R14: 0000000000499600 R15: 0000000000000000
| [  109.199132][  T986] ------------[ cut here ]------------
| [ 109.199477][ T986] WARNING: CPU: 2 PID: 986 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.200195][  T986] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.201355][  T986] Tainted: [W]=WARN
[  109.201607][  T986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.202195][ T986] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.202597][ T986] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  109.203740][  T986] RSP: 0018:ffffc90000627080 EFLAGS: 00010246
[  109.204152][  T986] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  109.204640][  T986] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  109.205132][  T986] RBP: ffffc90000627168 R08: 0000000000000000 R09: 0000000000000000
[  109.205621][  T986] R10: ffffc90000627198 R11: ffffffff96ea8918 R12: 1ffff920000c4e14
[  109.206117][  T986] R13: 00000000000005dc R14: ffffc90000627198 R15: ffff88800c002f08
[  109.206602][  T986] FS:  00007f8f2cffa800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  109.207170][  T986] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.207576][  T986] CR2: 00000000004a1738 CR3: 000000000a524001 CR4: 0000000000772ef0
[  109.208083][  T986] PKRU: 55555554
[  109.208354][  T986] Call Trace:
[  109.208603][  T986]  <TASK>
[ 109.208794][ T986] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.209135][ T986] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.209484][ T986] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.209912][ T986] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.210274][ T986] netif_set_mtu (net/core/dev.c:9652) 
[ 109.210612][ T986] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.210966][ T986] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.211426][ T986] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.211700][ T986] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.212145][ T986] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.212527][ T986] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 109.212886][ T986] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.213222][ T986] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.213567][ T986] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.213922][ T986] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.214261][ T986] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.214592][ T986] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.214946][ T986] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.215277][ T986] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.215609][ T986] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.215968][ T986] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.216310][ T986] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.216667][ T986] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.217015][ T986] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.217355][ T986] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.217716][ T986] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.218050][ T986] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.218399][ T986] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.218745][ T986] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.219082][ T986] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.219411][ T986] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.219776][ T986] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.220154][ T986] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.220498][ T986] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.220891][ T986] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.221235][ T986] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.221586][ T986] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.221945][ T986] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.222283][ T986] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.222634][ T986] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.222992][ T986] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.223332][ T986] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.223753][ T986] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.224103][ T986] ___sys_sendmsg (net/socket.c:2670) 
[ 109.224432][ T986] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.224772][ T986] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.225113][ T986] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.225456][ T986] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.225806][ T986] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.226153][ T986] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.226492][ T986] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.226858][ T986] __sys_sendmsg (net/socket.c:2700) 
[ 109.227200][ T986] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.227531][ T986] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.227882][ T986] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.228234][ T986] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.228575][ T986] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.228937][ T986] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.229364][  T986] RIP: 0033:0x7f8f2d1c71e7
[ 109.229727][ T986] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  109.230903][  T986] RSP: 002b:00007ffde3eab418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.231392][  T986] RAX: ffffffffffffffda RBX: 00007ffde3eabb40 RCX: 00007f8f2d1c71e7
[  109.231902][  T986] RDX: 0000000000000000 RSI: 00007ffde3eab480 RDI: 0000000000000005
[  109.232391][  T986] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.232885][  T986] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde3eabb78
[  109.233371][  T986] R13: 00000000686e6be2 R14: 0000000000499600 R15: 0000000000000000
| [  109.405035][  T988] ------------[ cut here ]------------
| [ 109.405374][ T988] WARNING: CPU: 2 PID: 988 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.406092][  T988] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.407713][  T988] Tainted: [W]=WARN
[  109.407975][  T988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.408393][ T988] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.408745][ T988] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  109.409888][  T988] RSP: 0018:ffffc900004f7080 EFLAGS: 00010246
[  109.410305][  T988] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  109.410799][  T988] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  109.411281][  T988] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000
[  109.411772][  T988] R10: ffffc900004f7198 R11: ffffffff96ea8918 R12: 1ffff9200009ee14
[  109.412289][  T988] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff88800c002f08
[  109.412780][  T988] FS:  00007fa1fae39800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  109.413365][  T988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.413781][  T988] CR2: 00000000004a1738 CR3: 000000000c025006 CR4: 0000000000772ef0
[  109.414273][  T988] PKRU: 55555554
[  109.414532][  T988] Call Trace:
[  109.414793][  T988]  <TASK>
[ 109.414969][ T988] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.415310][ T988] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.415641][ T988] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.416057][ T988] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.416390][ T988] netif_set_mtu (net/core/dev.c:9652) 
[ 109.416730][ T988] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.417071][ T988] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.417525][ T988] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.417790][ T988] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.418258][ T988] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.418640][ T988] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 109.418980][ T988] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.419310][ T988] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.419654][ T988] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.419984][ T988] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.420316][ T988] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.420654][ T988] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.420988][ T988] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.421311][ T988] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.421644][ T988] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.421989][ T988] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.422325][ T988] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.422677][ T988] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.423003][ T988] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.423333][ T988] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.423670][ T988] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.424001][ T988] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.424334][ T988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.424683][ T988] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.425015][ T988] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.425343][ T988] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.425691][ T988] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.426026][ T988] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.426358][ T988] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.426698][ T988] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.427031][ T988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.427377][ T988] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.427718][ T988] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.428050][ T988] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.428398][ T988] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.428771][ T988] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.429127][ T988] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.429541][ T988] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.429900][ T988] ___sys_sendmsg (net/socket.c:2670) 
[ 109.430238][ T988] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.430571][ T988] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.430930][ T988] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.431280][ T988] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.431632][ T988] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.431976][ T988] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.432309][ T988] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.432656][ T988] __sys_sendmsg (net/socket.c:2700) 
[ 109.432987][ T988] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.433315][ T988] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.433700][ T988] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.434043][ T988] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.434376][ T988] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.434710][ T988] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.435114][  T988] RIP: 0033:0x7fa1fb0061e7
[ 109.435446][ T988] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  109.436584][  T988] RSP: 002b:00007ffecfcade38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.437084][  T988] RAX: ffffffffffffffda RBX: 00007ffecfcae560 RCX: 00007fa1fb0061e7
[  109.437566][  T988] RDX: 0000000000000000 RSI: 00007ffecfcadea0 RDI: 0000000000000005
[  109.438060][  T988] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.438557][  T988] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffecfcae598
[  109.439050][  T988] R13: 00000000686e6be3 R14: 0000000000499600 R15: 0000000000000000
| [  109.582245][  T990] ------------[ cut here ]------------
| [ 109.582560][ T990] WARNING: CPU: 3 PID: 990 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.583300][  T990] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.584469][  T990] Tainted: [W]=WARN
[  109.584738][  T990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.585143][ T990] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.585484][ T990] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  109.586625][  T990] RSP: 0018:ffffc90002207080 EFLAGS: 00010246
[  109.587037][  T990] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  109.587511][  T990] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  109.587986][  T990] RBP: ffffc90002207168 R08: 0000000000000000 R09: 0000000000000000
[  109.588469][  T990] R10: ffffc90002207198 R11: ffffffff96ea8918 R12: 1ffff92000440e14
[  109.588955][  T990] R13: 00000000000005dc R14: ffffc90002207198 R15: ffff88800c002f08
[  109.589432][  T990] FS:  00007fed50c89800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  109.589995][  T990] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.590413][  T990] CR2: 00000000004a1738 CR3: 000000000ca10002 CR4: 0000000000772ef0
[  109.590905][  T990] PKRU: 55555554
[  109.591144][  T990] Call Trace:
[  109.591379][  T990]  <TASK>
[ 109.591560][ T990] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.591895][ T990] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.592231][ T990] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.592635][ T990] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.592973][ T990] netif_set_mtu (net/core/dev.c:9652) 
[ 109.593307][ T990] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.593636][ T990] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.594092][ T990] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.594351][ T990] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.594804][ T990] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.595185][ T990] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 109.595511][ T990] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.595854][ T990] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.596178][ T990] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.596496][ T990] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.596830][ T990] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.597152][ T990] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.597480][ T990] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.597813][ T990] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.598137][ T990] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.598488][ T990] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.598821][ T990] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.599150][ T990] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.599462][ T990] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.599788][ T990] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.600107][ T990] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.600435][ T990] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.600775][ T990] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.601112][ T990] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.601439][ T990] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.601771][ T990] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.602108][ T990] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.602428][ T990] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.602757][ T990] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.603132][ T990] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.603450][ T990] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.603786][ T990] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.604153][ T990] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.604490][ T990] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.604833][ T990] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.605390][ T990] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.605835][ T990] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.606251][ T990] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.606576][ T990] ___sys_sendmsg (net/socket.c:2670) 
[ 109.606929][ T990] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.607255][ T990] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.607637][ T990] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.608194][ T990] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.608760][ T990] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.609320][ T990] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.609896][ T990] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.610476][ T990] __sys_sendmsg (net/socket.c:2700) 
[ 109.611048][ T990] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.611589][ T990] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.611970][ T990] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.612342][ T990] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.612777][ T990] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.613162][ T990] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.613606][  T990] RIP: 0033:0x7fed50e561e7
[ 109.613967][ T990] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  109.615867][  T990] RSP: 002b:00007ffc724379f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.616735][  T990] RAX: ffffffffffffffda RBX: 00007ffc72438120 RCX: 00007fed50e561e7
[  109.617579][  T990] RDX: 0000000000000000 RSI: 00007ffc72437a60 RDI: 0000000000000005
[  109.618439][  T990] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.619281][  T990] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc72438158
[  109.620116][  T990] R13: 00000000686e6be3 R14: 0000000000499600 R15: 0000000000000000
| [  109.828743][  T992] ------------[ cut here ]------------
| [ 109.829060][ T992] WARNING: CPU: 0 PID: 992 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  109.829754][  T992] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  109.830886][  T992] Tainted: [W]=WARN
[  109.831136][  T992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.831539][ T992] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 109.831871][ T992] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  109.833005][  T992] RSP: 0000:ffffc900004f7080 EFLAGS: 00010246
[  109.833408][  T992] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  109.833889][  T992] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  109.834360][  T992] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000
[  109.834853][  T992] R10: ffffc900004f7198 R11: ffffffff96ea8918 R12: 1ffff9200009ee14
[  109.835334][  T992] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff88800c002f08
[  109.835815][  T992] FS:  00007efc95835800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  109.836363][  T992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.836770][  T992] CR2: 00007f8bd11b1240 CR3: 000000000badb006 CR4: 0000000000772ef0
[  109.837245][  T992] PKRU: 55555554
[  109.837480][  T992] Call Trace:
[  109.837722][  T992]  <TASK>
[ 109.837885][ T992] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.838202][ T992] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.838536][ T992] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.838942][ T992] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.839263][ T992] netif_set_mtu (net/core/dev.c:9652) 
[ 109.839583][ T992] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.839923][ T992] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 109.840367][ T992] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.840610][ T992] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.841053][ T992] br_add_if (net/bridge/br_if.c:697) bridge 
[ 109.841418][ T992] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 109.841746][ T992] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.842070][ T992] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.842390][ T992] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.842710][ T992] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.843022][ T992] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.843337][ T992] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.843678][ T992] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.843997][ T992] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.844317][ T992] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.844641][ T992] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.844969][ T992] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.845303][ T992] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.845624][ T992] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.845952][ T992] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.846267][ T992] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.846586][ T992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.846927][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.847246][ T992] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.847563][ T992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.847897][ T992] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.848241][ T992] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.848563][ T992] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 109.848901][ T992] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.849220][ T992] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.849533][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.849863][ T992] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.850184][ T992] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.850501][ T992] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.850833][ T992] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.851156][ T992] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.851472][ T992] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.851878][ T992] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 109.852200][ T992] ___sys_sendmsg (net/socket.c:2670) 
[ 109.852514][ T992] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.852836][ T992] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 109.853152][ T992] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.853468][ T992] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 109.853797][ T992] ? __handle_mm_fault (mm/memory.c:6212) 
[ 109.854113][ T992] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 109.854427][ T992] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 109.854766][ T992] __sys_sendmsg (net/socket.c:2700) 
[ 109.855082][ T992] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.855399][ T992] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 109.855735][ T992] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 109.856052][ T992] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.856373][ T992] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.856696][ T992] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.857091][  T992] RIP: 0033:0x7efc95a021e7
[ 109.857414][ T992] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  109.858812][  T992] RSP: 002b:00007ffe6e3c9838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.859283][  T992] RAX: ffffffffffffffda RBX: 00007ffe6e3c9f60 RCX: 00007efc95a021e7
[  109.860022][  T992] RDX: 0000000000000000 RSI: 00007ffe6e3c98a0 RDI: 0000000000000005
[  109.860499][  T992] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  109.861210][  T992] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6e3c9f98
[  109.861689][  T992] R13: 00000000686e6be3 R14: 0000000000499600 R15: 0000000000000000
| [  110.065309][  T995] ------------[ cut here ]------------
| [ 110.065750][ T995] WARNING: CPU: 2 PID: 995 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.066390][  T995] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.067592][  T995] Tainted: [W]=WARN
[  110.067856][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.068298][ T995] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.068659][ T995] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.069838][  T995] RSP: 0018:ffffc900004f7080 EFLAGS: 00010246
[  110.070256][  T995] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  110.070770][  T995] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  110.071259][  T995] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000
[  110.071784][  T995] R10: ffffc900004f7198 R11: ffffffff96ea8918 R12: 1ffff9200009ee14
[  110.072274][  T995] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff88800c002f08
[  110.072780][  T995] FS:  00007fc067487800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  110.073371][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.073805][  T995] CR2: 00007f8bd0ea37b0 CR3: 0000000007aba004 CR4: 0000000000772ef0
[  110.074303][  T995] PKRU: 55555554
[  110.074552][  T995] Call Trace:
[  110.074823][  T995]  <TASK>
[ 110.075017][ T995] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.075366][ T995] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.075713][ T995] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.076134][ T995] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.076478][ T995] netif_set_mtu (net/core/dev.c:9652) 
[ 110.076845][ T995] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.077186][ T995] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.077641][ T995] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.077919][ T995] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.078392][ T995] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.078810][ T995] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 110.079380][ T995] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.079991][ T995] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.080581][ T995] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.081184][ T995] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.081712][ T995] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.082042][ T995] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.082385][ T995] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.082750][ T995] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.083090][ T995] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.083506][ T995] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.083899][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.084259][ T995] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.084614][ T995] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.084976][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.085318][ T995] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.085689][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.086063][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.086414][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.086787][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.087145][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.087500][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.087879][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.088232][ T995] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 110.088605][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.089089][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.089443][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.089820][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.090166][ T995] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.090521][ T995] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.090939][ T995] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.091288][ T995] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.091749][ T995] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.092122][ T995] ___sys_sendmsg (net/socket.c:2670) 
[ 110.092471][ T995] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.092846][ T995] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.093217][ T995] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.093560][ T995] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.093943][ T995] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.094289][ T995] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.094670][ T995] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.095048][ T995] __sys_sendmsg (net/socket.c:2700) 
[ 110.095390][ T995] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.095769][ T995] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.096147][ T995] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.096494][ T995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.097010][ T995] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.097391][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.097853][  T995] RIP: 0033:0x7fc0676541e7
[ 110.098244][ T995] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.099494][  T995] RSP: 002b:00007fff474d96e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.100032][  T995] RAX: ffffffffffffffda RBX: 00007fff474d9e10 RCX: 00007fc0676541e7
[  110.100552][  T995] RDX: 0000000000000000 RSI: 00007fff474d9750 RDI: 0000000000000005
[  110.101099][  T995] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.101639][  T995] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff474d9e48
[  110.102162][  T995] R13: 00000000686e6be3 R14: 0000000000499600 R15: 0000000000000000
| [  110.258900][  T996] ------------[ cut here ]------------
| [ 110.259463][ T996] WARNING: CPU: 3 PID: 996 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.260727][  T996] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.262743][  T996] Tainted: [W]=WARN
[  110.263176][  T996] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.263786][ T996] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.264123][ T996] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.265278][  T996] RSP: 0018:ffffc90000567080 EFLAGS: 00010246
[  110.265710][  T996] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  110.266310][  T996] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  110.266827][  T996] RBP: ffffc90000567168 R08: 0000000000000000 R09: 0000000000000000
[  110.267314][  T996] R10: ffffc90000567198 R11: ffffffff96ea8918 R12: 1ffff920000ace14
[  110.267807][  T996] R13: 00000000000005dc R14: ffffc90000567198 R15: ffff88800c002f08
[  110.268292][  T996] FS:  00007fcb5a872800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  110.268874][  T996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.269284][  T996] CR2: 00000000004a1738 CR3: 000000000a959004 CR4: 0000000000772ef0
[  110.269797][  T996] PKRU: 55555554
[  110.270039][  T996] Call Trace:
[  110.270277][  T996]  <TASK>
[ 110.270441][ T996] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.270780][ T996] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.271099][ T996] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.271491][ T996] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.271839][ T996] netif_set_mtu (net/core/dev.c:9652) 
[ 110.272155][ T996] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.272480][ T996] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.272937][ T996] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.273178][ T996] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.273637][ T996] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.274050][ T996] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 110.274366][ T996] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.274703][ T996] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.275025][ T996] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.275338][ T996] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.275675][ T996] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.275991][ T996] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.276320][ T996] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.276633][ T996] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.276980][ T996] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.277309][ T996] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.277635][ T996] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.277983][ T996] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.278326][ T996] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.278665][ T996] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.279010][ T996] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.279333][ T996] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.279684][ T996] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.280016][ T996] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.280337][ T996] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.280687][ T996] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.281017][ T996] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.281332][ T996] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.281679][ T996] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 110.282001][ T996] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.282314][ T996] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.282631][ T996] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.282975][ T996] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.283292][ T996] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.283617][ T996] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.283988][ T996] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.284305][ T996] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.284723][ T996] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.285046][ T996] ___sys_sendmsg (net/socket.c:2670) 
[ 110.285370][ T996] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.285710][ T996] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.286027][ T996] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.286360][ T996] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.286698][ T996] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.287028][ T996] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.287344][ T996] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.287715][ T996] __sys_sendmsg (net/socket.c:2700) 
[ 110.288032][ T996] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.288367][ T996] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.288713][ T996] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.289030][ T996] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.289355][ T996] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.289706][ T996] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.290122][  T996] RIP: 0033:0x7fcb5aa3f1e7
[ 110.290446][ T996] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.291591][  T996] RSP: 002b:00007ffde5877268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.292100][  T996] RAX: ffffffffffffffda RBX: 00007ffde5877990 RCX: 00007fcb5aa3f1e7
[  110.292569][  T996] RDX: 0000000000000000 RSI: 00007ffde58772d0 RDI: 0000000000000005
[  110.293060][  T996] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.293532][  T996] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde58779c8
[  110.294020][  T996] R13: 00000000686e6be4 R14: 0000000000499600 R15: 0000000000000000
| [  110.488110][  T998] ------------[ cut here ]------------
| [ 110.488447][ T998] WARNING: CPU: 0 PID: 998 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.489185][  T998] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.490339][  T998] Tainted: [W]=WARN
[  110.490581][  T998] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.490985][ T998] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.491311][ T998] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.492437][  T998] RSP: 0018:ffffc90000587080 EFLAGS: 00010246
[  110.492841][  T998] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  110.493312][  T998] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  110.493800][  T998] RBP: ffffc90000587168 R08: 0000000000000000 R09: 0000000000000000
[  110.494270][  T998] R10: ffffc90000587198 R11: ffffffff96ea8918 R12: 1ffff920000b0e14
[  110.494762][  T998] R13: 00000000000005dc R14: ffffc90000587198 R15: ffff88800c002f08
[  110.495255][  T998] FS:  00007f4d70df1800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  110.495827][  T998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.496224][  T998] CR2: 00000000004a1738 CR3: 000000000b5d6002 CR4: 0000000000772ef0
[  110.496714][  T998] PKRU: 55555554
[  110.496952][  T998] Call Trace:
[  110.497188][  T998]  <TASK>
[ 110.497353][ T998] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.497686][ T998] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.498010][ T998] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.498433][ T998] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.498764][ T998] netif_set_mtu (net/core/dev.c:9652) 
[ 110.499100][ T998] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.499440][ T998] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.499912][ T998] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.500172][ T998] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.500605][ T998] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.500995][ T998] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 110.501313][ T998] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.501638][ T998] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.501966][ T998] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.502280][ T998] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.502594][ T998] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.502916][ T998] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.503239][ T998] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.503550][ T998] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.503886][ T998] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.504222][ T998] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.504561][ T998] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.504906][ T998] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.505226][ T998] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.505550][ T998] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.505885][ T998] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.506219][ T998] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.506550][ T998] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.506891][ T998] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.507215][ T998] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.507536][ T998] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.507882][ T998] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.508235][ T998] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.508563][ T998] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 110.508898][ T998] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.509218][ T998] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.509545][ T998] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.509889][ T998] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.510225][ T998] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.510557][ T998] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.510897][ T998] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.511220][ T998] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.511633][ T998] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.511971][ T998] ___sys_sendmsg (net/socket.c:2670) 
[ 110.512301][ T998] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.512621][ T998] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.512951][ T998] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.513269][ T998] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.513603][ T998] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.513956][ T998] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.514277][ T998] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.514615][ T998] __sys_sendmsg (net/socket.c:2700) 
[ 110.514949][ T998] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.515274][ T998] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.515619][ T998] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.515958][ T998] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.516280][ T998] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.516599][ T998] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.517006][  T998] RIP: 0033:0x7f4d70fbe1e7
[ 110.517350][ T998] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.518539][  T998] RSP: 002b:00007ffe957cab68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.519048][  T998] RAX: ffffffffffffffda RBX: 00007ffe957cb290 RCX: 00007f4d70fbe1e7
[  110.519531][  T998] RDX: 0000000000000000 RSI: 00007ffe957cabd0 RDI: 0000000000000005
[  110.520029][  T998] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.520507][  T998] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe957cb2c8
[  110.521005][  T998] R13: 00000000686e6be4 R14: 0000000000499600 R15: 0000000000000000
| [  110.908083][ T1004] ------------[ cut here ]------------
| [ 110.908463][ T1004] WARNING: CPU: 2 PID: 1004 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.909153][ T1004] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  110.910379][ T1004] Tainted: [W]=WARN
[  110.910655][ T1004] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.911084][ T1004] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.911444][ T1004] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.912669][ T1004] RSP: 0018:ffffc90002207080 EFLAGS: 00010246
[  110.913120][ T1004] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  110.913642][ T1004] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  110.914180][ T1004] RBP: ffffc90002207168 R08: 0000000000000000 R09: 0000000000000000
[  110.914709][ T1004] R10: ffffc90002207198 R11: ffffffff96ea8918 R12: 1ffff92000440e14
[  110.915233][ T1004] R13: 00000000000005dc R14: ffffc90002207198 R15: ffff88800b40af08
[  110.915778][ T1004] FS:  00007f947a240800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  110.916375][ T1004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.916821][ T1004] CR2: 00007f8bd12b45a0 CR3: 0000000009019003 CR4: 0000000000772ef0
[  110.917351][ T1004] PKRU: 55555554
[  110.917641][ T1004] Call Trace:
[  110.917926][ T1004]  <TASK>
[ 110.918120][ T1004] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.918502][ T1004] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 110.918884][ T1004] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 110.919338][ T1004] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 110.919744][ T1004] netif_set_mtu (net/core/dev.c:9652) 
[ 110.920106][ T1004] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.920476][ T1004] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 110.921137][ T1004] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.921415][ T1004] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.921928][ T1004] br_add_if (net/bridge/br_if.c:697) bridge 
[ 110.922331][ T1004] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 110.922732][ T1004] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 110.923090][ T1004] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 110.923458][ T1004] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 110.923828][ T1004] ? __dev_get_by_name (net/core/dev.c:865) 
[ 110.924179][ T1004] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.924534][ T1004] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 110.924905][ T1004] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.925255][ T1004] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.925607][ T1004] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 110.925988][ T1004] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.926336][ T1004] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.926699][ T1004] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.927051][ T1004] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.927416][ T1004] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.927772][ T1004] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.928145][ T1004] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.928522][ T1004] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.928900][ T1004] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.929255][ T1004] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.929602][ T1004] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.929975][ T1004] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.930322][ T1004] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.930696][ T1004] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 110.931059][ T1004] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.931416][ T1004] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.931792][ T1004] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.932157][ T1004] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.932493][ T1004] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.932857][ T1004] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.933205][ T1004] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.933542][ T1004] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.933965][ T1004] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 110.934300][ T1004] ___sys_sendmsg (net/socket.c:2670) 
[ 110.934642][ T1004] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.934991][ T1004] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 110.935331][ T1004] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 110.935677][ T1004] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 110.936037][ T1004] ? __handle_mm_fault (mm/memory.c:6212) 
[ 110.936392][ T1004] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 110.936740][ T1004] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 110.937100][ T1004] __sys_sendmsg (net/socket.c:2700) 
[ 110.937450][ T1004] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.937796][ T1004] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 110.938141][ T1004] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 110.938504][ T1004] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.938855][ T1004] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.939202][ T1004] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.939620][ T1004] RIP: 0033:0x7f947a40d1e7
[ 110.939982][ T1004] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.941134][ T1004] RSP: 002b:00007fffb3f738a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.941626][ T1004] RAX: ffffffffffffffda RBX: 00007fffb3f73fd0 RCX: 00007f947a40d1e7
[  110.942134][ T1004] RDX: 0000000000000000 RSI: 00007fffb3f73910 RDI: 0000000000000005
[  110.942616][ T1004] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  110.943148][ T1004] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb3f74008
[  110.943642][ T1004] R13: 00000000686e6be4 R14: 0000000000499600 R15: 0000000000000000
| [  111.103917][ T1006] ------------[ cut here ]------------
| [ 111.104248][ T1006] WARNING: CPU: 3 PID: 1006 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.104924][ T1006] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.106119][ T1006] Tainted: [W]=WARN
[  111.106370][ T1006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.106790][ T1006] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.107141][ T1006] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.108357][ T1006] RSP: 0018:ffffc900005f7080 EFLAGS: 00010246
[  111.108777][ T1006] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  111.109271][ T1006] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  111.109761][ T1006] RBP: ffffc900005f7168 R08: 0000000000000000 R09: 0000000000000000
[  111.110246][ T1006] R10: ffffc900005f7198 R11: ffffffff96ea8918 R12: 1ffff920000bee14
[  111.110745][ T1006] R13: 00000000000005dc R14: ffffc900005f7198 R15: ffff88800b40af08
[  111.111229][ T1006] FS:  00007fbd62582800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  111.111805][ T1006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.112219][ T1006] CR2: 00000000004a1738 CR3: 000000000e784004 CR4: 0000000000772ef0
[  111.112710][ T1006] PKRU: 55555554
[  111.112956][ T1006] Call Trace:
[  111.113201][ T1006]  <TASK>
[ 111.113368][ T1006] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.113711][ T1006] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.114034][ T1006] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.114432][ T1006] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.114768][ T1006] netif_set_mtu (net/core/dev.c:9652) 
[ 111.115090][ T1006] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.115431][ T1006] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.115892][ T1006] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.116136][ T1006] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.116585][ T1006] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.116980][ T1006] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 111.117311][ T1006] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.117640][ T1006] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.117966][ T1006] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.118291][ T1006] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.118615][ T1006] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.118944][ T1006] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.119275][ T1006] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.119593][ T1006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.119938][ T1006] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.120274][ T1006] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.120600][ T1006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.120953][ T1006] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.121280][ T1006] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.121609][ T1006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.121931][ T1006] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.122259][ T1006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.122580][ T1006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.122912][ T1006] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.123233][ T1006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.123562][ T1006] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.123897][ T1006] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.124227][ T1006] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.124556][ T1006] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 111.124894][ T1006] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.125207][ T1006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.125527][ T1006] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.125851][ T1006] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.126187][ T1006] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.126518][ T1006] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.126858][ T1006] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.127180][ T1006] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.127593][ T1006] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.127924][ T1006] ___sys_sendmsg (net/socket.c:2670) 
[ 111.128260][ T1006] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.128581][ T1006] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.128935][ T1006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.129259][ T1006] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.129582][ T1006] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.129916][ T1006] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.130241][ T1006] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.130575][ T1006] __sys_sendmsg (net/socket.c:2700) 
[ 111.130923][ T1006] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.131238][ T1006] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.131559][ T1006] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.131895][ T1006] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.132227][ T1006] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.132553][ T1006] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.132969][ T1006] RIP: 0033:0x7fbd6274f1e7
[ 111.133303][ T1006] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.134453][ T1006] RSP: 002b:00007ffe0aa95d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.134932][ T1006] RAX: ffffffffffffffda RBX: 00007ffe0aa96490 RCX: 00007fbd6274f1e7
[  111.135408][ T1006] RDX: 0000000000000000 RSI: 00007ffe0aa95dd0 RDI: 0000000000000005
[  111.135898][ T1006] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.136386][ T1006] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0aa964c8
[  111.136876][ T1006] R13: 00000000686e6be4 R14: 0000000000499600 R15: 0000000000000000
| [  111.297283][ T1007] ------------[ cut here ]------------
| [ 111.297885][ T1007] WARNING: CPU: 3 PID: 1007 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.299038][ T1007] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.301598][ T1007] Tainted: [W]=WARN
[  111.301847][ T1007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.302258][ T1007] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.302584][ T1007] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.303745][ T1007] RSP: 0018:ffffc900005f7080 EFLAGS: 00010246
[  111.304155][ T1007] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  111.304674][ T1007] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  111.305167][ T1007] RBP: ffffc900005f7168 R08: 0000000000000000 R09: 0000000000000000
[  111.305679][ T1007] R10: ffffc900005f7198 R11: ffffffff96ea8918 R12: 1ffff920000bee14
[  111.306164][ T1007] R13: 00000000000005dc R14: ffffc900005f7198 R15: ffff88800b40af08
[  111.306961][ T1007] FS:  00007f54108c9800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  111.307550][ T1007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.307964][ T1007] CR2: 00000000004a1738 CR3: 000000000c9e3004 CR4: 0000000000772ef0
[  111.308480][ T1007] PKRU: 55555554
[  111.308727][ T1007] Call Trace:
[  111.308970][ T1007]  <TASK>
[ 111.309135][ T1007] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.309490][ T1007] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.309817][ T1007] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.310256][ T1007] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.310576][ T1007] netif_set_mtu (net/core/dev.c:9652) 
[ 111.310904][ T1007] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.311244][ T1007] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.311696][ T1007] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.311934][ T1007] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.312376][ T1007] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.312746][ T1007] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 111.313064][ T1007] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.313419][ T1007] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.313749][ T1007] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.314060][ T1007] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.314371][ T1007] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.314693][ T1007] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.315046][ T1007] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.315368][ T1007] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.315701][ T1007] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.316029][ T1007] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.316348][ T1007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.316682][ T1007] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.317005][ T1007] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.317362][ T1007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.317695][ T1007] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.318028][ T1007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.318367][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.318703][ T1007] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.319023][ T1007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.319353][ T1007] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.319695][ T1007] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.320009][ T1007] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.320335][ T1007] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 111.320673][ T1007] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.320998][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.321358][ T1007] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.321705][ T1007] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.322039][ T1007] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.322605][ T1007] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.323171][ T1007] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.323726][ T1007] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.324399][ T1007] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.324977][ T1007] ___sys_sendmsg (net/socket.c:2670) 
[ 111.325554][ T1007] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.326114][ T1007] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.326688][ T1007] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.327205][ T1007] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.327783][ T1007] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.328320][ T1007] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.328665][ T1007] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.329002][ T1007] __sys_sendmsg (net/socket.c:2700) 
[ 111.329334][ T1007] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.329669][ T1007] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.330022][ T1007] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.330347][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.330678][ T1007] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.330993][ T1007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.331381][ T1007] RIP: 0033:0x7f5410a961e7
[ 111.331714][ T1007] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.332851][ T1007] RSP: 002b:00007fff8ca13138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.333339][ T1007] RAX: ffffffffffffffda RBX: 00007fff8ca13860 RCX: 00007f5410a961e7
[  111.333845][ T1007] RDX: 0000000000000000 RSI: 00007fff8ca131a0 RDI: 0000000000000005
[  111.334324][ T1007] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.334816][ T1007] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff8ca13898
[  111.335296][ T1007] R13: 00000000686e6be5 R14: 0000000000499600 R15: 0000000000000000
| [  111.485581][ T1009] ------------[ cut here ]------------
| [ 111.486604][ T1009] WARNING: CPU: 0 PID: 1009 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.487252][ T1009] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.488389][ T1009] Tainted: [W]=WARN
[  111.488626][ T1009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.489036][ T1009] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.489366][ T1009] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.490490][ T1009] RSP: 0018:ffffc900005f7080 EFLAGS: 00010246
[  111.490898][ T1009] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  111.491492][ T1009] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  111.492124][ T1009] RBP: ffffc900005f7168 R08: 0000000000000000 R09: 0000000000000000
[  111.492596][ T1009] R10: ffffc900005f7198 R11: ffffffff96ea8918 R12: 1ffff920000bee14
[  111.493216][ T1009] R13: 00000000000005dc R14: ffffc900005f7198 R15: ffff88800b40af08
[  111.493811][ T1009] FS:  00007f9873f78800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  111.494363][ T1009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.494764][ T1009] CR2: 00000000004a1738 CR3: 00000000025ba005 CR4: 0000000000772ef0
[  111.495239][ T1009] PKRU: 55555554
[  111.495473][ T1009] Call Trace:
[  111.495716][ T1009]  <TASK>
[ 111.495882][ T1009] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.496203][ T1009] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.496520][ T1009] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.496925][ T1009] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.497244][ T1009] netif_set_mtu (net/core/dev.c:9652) 
[ 111.497562][ T1009] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.497899][ T1009] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.498360][ T1009] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.498603][ T1009] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.499048][ T1009] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.499413][ T1009] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 111.499735][ T1009] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.500055][ T1009] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.500368][ T1009] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.500695][ T1009] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.501010][ T1009] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.501324][ T1009] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.501656][ T1009] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.501968][ T1009] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.502287][ T1009] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.502622][ T1009] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.502967][ T1009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.503300][ T1009] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.503613][ T1009] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.503938][ T1009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.504254][ T1009] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.504570][ T1009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.504898][ T1009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.505220][ T1009] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.505540][ T1009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.505864][ T1009] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.506194][ T1009] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.506506][ T1009] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.506827][ T1009] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 111.507150][ T1009] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.507472][ T1009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.507800][ T1009] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.508120][ T1009] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.508454][ T1009] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.508781][ T1009] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.509099][ T1009] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.509414][ T1009] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.509823][ T1009] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.510143][ T1009] ___sys_sendmsg (net/socket.c:2670) 
[ 111.510462][ T1009] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.510786][ T1009] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.511103][ T1009] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.511425][ T1009] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.511754][ T1009] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.512073][ T1009] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.512391][ T1009] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.512731][ T1009] __sys_sendmsg (net/socket.c:2700) 
[ 111.513047][ T1009] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.513361][ T1009] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.513693][ T1009] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.514012][ T1009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.514333][ T1009] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.514662][ T1009] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.515057][ T1009] RIP: 0033:0x7f98741451e7
[ 111.515385][ T1009] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.516525][ T1009] RSP: 002b:00007ffd5a319368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.517012][ T1009] RAX: ffffffffffffffda RBX: 00007ffd5a319a90 RCX: 00007f98741451e7
[  111.517493][ T1009] RDX: 0000000000000000 RSI: 00007ffd5a3193d0 RDI: 0000000000000005
[  111.517973][ T1009] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.518461][ T1009] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5a319ac8
[  111.518942][ T1009] R13: 00000000686e6be5 R14: 0000000000499600 R15: 0000000000000000
| [  111.657388][ T1011] ------------[ cut here ]------------
| [ 111.657730][ T1011] WARNING: CPU: 0 PID: 1011 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.658391][ T1011] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.659609][ T1011] Tainted: [W]=WARN
[  111.659864][ T1011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.660259][ T1011] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.660585][ T1011] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.661724][ T1011] RSP: 0018:ffffc90000547080 EFLAGS: 00010246
[  111.662128][ T1011] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  111.662601][ T1011] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  111.663084][ T1011] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000
[  111.663591][ T1011] R10: ffffc90000547198 R11: ffffffff96ea8918 R12: 1ffff920000a8e14
[  111.664101][ T1011] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff88800b40af08
[  111.664601][ T1011] FS:  00007fad8291d800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  111.665187][ T1011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.665603][ T1011] CR2: 00007f2799e75040 CR3: 000000000c31f004 CR4: 0000000000772ef0
[  111.666114][ T1011] PKRU: 55555554
[  111.666364][ T1011] Call Trace:
[  111.666612][ T1011]  <TASK>
[ 111.666791][ T1011] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.667128][ T1011] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.667460][ T1011] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.667886][ T1011] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.668250][ T1011] netif_set_mtu (net/core/dev.c:9652) 
[ 111.668599][ T1011] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.668952][ T1011] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.669416][ T1011] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.669676][ T1011] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.670608][ T1011] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.671007][ T1011] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 111.671327][ T1011] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.671658][ T1011] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.672027][ T1011] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.672355][ T1011] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.672691][ T1011] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.673015][ T1011] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.673347][ T1011] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.673672][ T1011] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.674009][ T1011] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.674340][ T1011] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.674671][ T1011] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.675002][ T1011] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.675321][ T1011] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.675656][ T1011] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.675979][ T1011] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.676314][ T1011] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.676655][ T1011] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.676989][ T1011] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.677302][ T1011] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.677617][ T1011] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.677952][ T1011] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.678293][ T1011] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.678622][ T1011] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 111.678955][ T1011] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.679272][ T1011] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.679592][ T1011] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.679923][ T1011] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.680249][ T1011] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.680585][ T1011] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.680914][ T1011] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.681242][ T1011] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.681657][ T1011] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.681986][ T1011] ___sys_sendmsg (net/socket.c:2670) 
[ 111.682300][ T1011] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.682617][ T1011] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.682964][ T1011] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.683279][ T1011] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.683602][ T1011] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.683936][ T1011] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.684295][ T1011] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.684636][ T1011] __sys_sendmsg (net/socket.c:2700) 
[ 111.684987][ T1011] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.685311][ T1011] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.685643][ T1011] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.685994][ T1011] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.686316][ T1011] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.686636][ T1011] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.687055][ T1011] RIP: 0033:0x7fad82aea1e7
[ 111.687397][ T1011] Code: Unable to access opcode bytes at 0x7fad82aea1bd.

Code starting with the faulting instruction
===========================================
[  111.687826][ T1011] RSP: 002b:00007ffe87c004a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.688313][ T1011] RAX: ffffffffffffffda RBX: 00007ffe87c00bd0 RCX: 00007fad82aea1e7
[  111.688810][ T1011] RDX: 0000000000000000 RSI: 00007ffe87c00510 RDI: 0000000000000005
[  111.689293][ T1011] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.689793][ T1011] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe87c00c08
[  111.690277][ T1011] R13: 00000000686e6be5 R14: 0000000000499600 R15: 0000000000000000
| [  111.856083][ T1014] ------------[ cut here ]------------
| [ 111.856425][ T1014] WARNING: CPU: 3 PID: 1014 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.857263][ T1014] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  111.858451][ T1014] Tainted: [W]=WARN
[  111.858719][ T1014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.859129][ T1014] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.859461][ T1014] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.860635][ T1014] RSP: 0018:ffffc90000547080 EFLAGS: 00010246
[  111.861064][ T1014] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  111.861552][ T1014] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  111.862047][ T1014] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000
[  111.862534][ T1014] R10: ffffc90000547198 R11: ffffffff96ea8918 R12: 1ffff920000a8e14
[  111.863026][ T1014] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff88800b40af08
[  111.863518][ T1014] FS:  00007f4fac6a1800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  111.864102][ T1014] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.864509][ T1014] CR2: 00005631b1a375f8 CR3: 000000000a6dc002 CR4: 0000000000772ef0
[  111.865008][ T1014] PKRU: 55555554
[  111.865254][ T1014] Call Trace:
[  111.865497][ T1014]  <TASK>
[ 111.865670][ T1014] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.866000][ T1014] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.866334][ T1014] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.866740][ T1014] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.867058][ T1014] netif_set_mtu (net/core/dev.c:9652) 
[ 111.867374][ T1014] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.867714][ T1014] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.868169][ T1014] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.868422][ T1014] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.868878][ T1014] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.869249][ T1014] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 111.869571][ T1014] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 111.869907][ T1014] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 111.870234][ T1014] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 111.870551][ T1014] ? __dev_get_by_name (net/core/dev.c:865) 
[ 111.870875][ T1014] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.871202][ T1014] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 111.871529][ T1014] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.871855][ T1014] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.872178][ T1014] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 111.872506][ T1014] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.872849][ T1014] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.873197][ T1014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.873518][ T1014] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.873867][ T1014] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.874191][ T1014] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.874522][ T1014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.874859][ T1014] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.875196][ T1014] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.875535][ T1014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.875871][ T1014] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.876211][ T1014] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.876535][ T1014] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.876877][ T1014] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 111.877210][ T1014] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.877540][ T1014] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.877886][ T1014] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.878238][ T1014] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.878571][ T1014] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.878923][ T1014] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.879264][ T1014] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.879596][ T1014] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.880024][ T1014] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 111.880371][ T1014] ___sys_sendmsg (net/socket.c:2670) 
[ 111.880716][ T1014] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.881053][ T1014] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 111.881395][ T1014] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 111.881725][ T1014] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 111.882089][ T1014] ? __handle_mm_fault (mm/memory.c:6212) 
[ 111.882419][ T1014] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 111.882771][ T1014] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 111.883140][ T1014] __sys_sendmsg (net/socket.c:2700) 
[ 111.883476][ T1014] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.883823][ T1014] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 111.884175][ T1014] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 111.884504][ T1014] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.884916][ T1014] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.885274][ T1014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.885725][ T1014] RIP: 0033:0x7f4fac86e1e7
[ 111.886076][ T1014] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.887322][ T1014] RSP: 002b:00007fff2ebcef48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.887834][ T1014] RAX: ffffffffffffffda RBX: 00007fff2ebcf670 RCX: 00007f4fac86e1e7
[  111.888363][ T1014] RDX: 0000000000000000 RSI: 00007fff2ebcefb0 RDI: 0000000000000005
[  111.888891][ T1014] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  111.889395][ T1014] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff2ebcf6a8
[  111.889911][ T1014] R13: 00000000686e6be5 R14: 0000000000499600 R15: 0000000000000000
| [  112.042073][ T1015] ------------[ cut here ]------------
| [ 112.042391][ T1015] WARNING: CPU: 0 PID: 1015 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.043080][ T1015] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.044258][ T1015] Tainted: [W]=WARN
[  112.044511][ T1015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.044923][ T1015] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.045259][ T1015] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.046420][ T1015] RSP: 0018:ffffc900004f7080 EFLAGS: 00010246
[  112.046833][ T1015] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  112.047320][ T1015] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  112.047807][ T1015] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000
[  112.048298][ T1015] R10: ffffc900004f7198 R11: ffffffff96ea8918 R12: 1ffff9200009ee14
[  112.048790][ T1015] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff88800b40af08
[  112.049266][ T1015] FS:  00007f0c41312800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  112.049841][ T1015] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.050243][ T1015] CR2: 00000000004a1738 CR3: 0000000009ff4001 CR4: 0000000000772ef0
[  112.050736][ T1015] PKRU: 55555554
[  112.050982][ T1015] Call Trace:
[  112.051220][ T1015]  <TASK>
[ 112.051384][ T1015] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.051719][ T1015] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.052051][ T1015] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.052447][ T1015] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.052779][ T1015] netif_set_mtu (net/core/dev.c:9652) 
[ 112.053098][ T1015] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.053433][ T1015] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.053902][ T1015] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.054145][ T1015] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.054583][ T1015] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.054965][ T1015] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 112.055290][ T1015] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.055620][ T1015] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.056000][ T1015] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.056340][ T1015] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.056686][ T1015] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.057029][ T1015] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.057374][ T1015] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.057719][ T1015] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.058067][ T1015] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.058417][ T1015] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.058760][ T1015] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.059095][ T1015] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.059413][ T1015] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.059744][ T1015] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.060069][ T1015] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.060436][ T1015] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.060766][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.061086][ T1015] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.061407][ T1015] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.061730][ T1015] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.062058][ T1015] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.062371][ T1015] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.062694][ T1015] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.063012][ T1015] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.063323][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.063655][ T1015] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.063977][ T1015] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.064306][ T1015] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.064629][ T1015] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.064958][ T1015] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.065273][ T1015] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.065675][ T1015] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.066001][ T1015] ___sys_sendmsg (net/socket.c:2670) 
[ 112.066315][ T1015] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.066627][ T1015] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.066953][ T1015] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.067266][ T1015] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.067583][ T1015] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.067915][ T1015] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.068247][ T1015] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.068583][ T1015] __sys_sendmsg (net/socket.c:2700) 
[ 112.068911][ T1015] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.069231][ T1015] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.069554][ T1015] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.069889][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.070213][ T1015] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.070553][ T1015] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.070962][ T1015] RIP: 0033:0x7f0c414df1e7
[ 112.071294][ T1015] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.072436][ T1015] RSP: 002b:00007ffdb995d408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.072929][ T1015] RAX: ffffffffffffffda RBX: 00007ffdb995db30 RCX: 00007f0c414df1e7
[  112.073407][ T1015] RDX: 0000000000000000 RSI: 00007ffdb995d470 RDI: 0000000000000005
[  112.073895][ T1015] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.074377][ T1015] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb995db68
[  112.074859][ T1015] R13: 00000000686e6be5 R14: 0000000000499600 R15: 0000000000000000
| [  112.263002][ T1018] ------------[ cut here ]------------
| [ 112.263357][ T1018] WARNING: CPU: 2 PID: 1018 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.264075][ T1018] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.265355][ T1018] Tainted: [W]=WARN
[  112.265631][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.266110][ T1018] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.266494][ T1018] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.267777][ T1018] RSP: 0018:ffffc90000537080 EFLAGS: 00010246
[  112.268250][ T1018] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  112.268802][ T1018] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  112.269344][ T1018] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000
[  112.269896][ T1018] R10: ffffc90000537198 R11: ffffffff96ea8918 R12: 1ffff920000a6e14
[  112.270423][ T1018] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800b40af08
[  112.270971][ T1018] FS:  00007f3943f6c800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  112.271590][ T1018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.272060][ T1018] CR2: 00000000004a1738 CR3: 0000000004f51001 CR4: 0000000000772ef0
[  112.272586][ T1018] PKRU: 55555554
[  112.272866][ T1018] Call Trace:
[  112.273150][ T1018]  <TASK>
[ 112.273341][ T1018] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.273719][ T1018] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.274098][ T1018] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.274548][ T1018] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.274918][ T1018] netif_set_mtu (net/core/dev.c:9652) 
[ 112.275299][ T1018] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.275670][ T1018] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.276177][ T1018] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.276450][ T1018] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.276947][ T1018] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.277369][ T1018] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 112.277744][ T1018] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.278119][ T1018] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.278489][ T1018] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.278855][ T1018] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.279234][ T1018] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.279587][ T1018] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.279956][ T1018] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.280324][ T1018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.280716][ T1018] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.281080][ T1018] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.281457][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.281832][ T1018] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.282200][ T1018] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.282564][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.282931][ T1018] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.283301][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.283700][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.284066][ T1018] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.284435][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.284810][ T1018] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.285174][ T1018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.285542][ T1018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.285919][ T1018] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.286291][ T1018] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.286670][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.287033][ T1018] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.287413][ T1018] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.287781][ T1018] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.288147][ T1018] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.288537][ T1018] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.288908][ T1018] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.289372][ T1018] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.289769][ T1018] ___sys_sendmsg (net/socket.c:2670) 
[ 112.290135][ T1018] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.290513][ T1018] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.290887][ T1018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.291263][ T1018] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.291636][ T1018] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.292008][ T1018] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.292362][ T1018] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.292753][ T1018] __sys_sendmsg (net/socket.c:2700) 
[ 112.293102][ T1018] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.293456][ T1018] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.293843][ T1018] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.294205][ T1018] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.294574][ T1018] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.294958][ T1018] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.295390][ T1018] RIP: 0033:0x7f39441391e7
[ 112.295779][ T1018] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.297015][ T1018] RSP: 002b:00007ffd0af77c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.297542][ T1018] RAX: ffffffffffffffda RBX: 00007ffd0af78360 RCX: 00007f39441391e7
[  112.298089][ T1018] RDX: 0000000000000000 RSI: 00007ffd0af77ca0 RDI: 0000000000000005
[  112.298620][ T1018] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.299156][ T1018] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0af78398
[  112.299684][ T1018] R13: 00000000686e6be6 R14: 0000000000499600 R15: 0000000000000000
| [  112.459415][ T1020] ------------[ cut here ]------------
| [ 112.459808][ T1020] WARNING: CPU: 0 PID: 1020 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.460474][ T1020] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.461738][ T1020] Tainted: [W]=WARN
[  112.461996][ T1020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.462423][ T1020] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.462789][ T1020] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.464010][ T1020] RSP: 0018:ffffc90000537080 EFLAGS: 00010246
[  112.464438][ T1020] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  112.464973][ T1020] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  112.465486][ T1020] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000
[  112.466012][ T1020] R10: ffffc90000537198 R11: ffffffff96ea8918 R12: 1ffff920000a6e14
[  112.466518][ T1020] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800b40af08
[  112.467038][ T1020] FS:  00007f679b361800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  112.467635][ T1020] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.468066][ T1020] CR2: 00000000004a1738 CR3: 000000000b622003 CR4: 0000000000772ef0
[  112.468585][ T1020] PKRU: 55555554
[  112.468974][ T1020] Call Trace:
[  112.469233][ T1020]  <TASK>
[ 112.469412][ T1020] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.469786][ T1020] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.470128][ T1020] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.470547][ T1020] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.470909][ T1020] netif_set_mtu (net/core/dev.c:9652) 
[ 112.471245][ T1020] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.471595][ T1020] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.472090][ T1020] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.472354][ T1020] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.472831][ T1020] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.473217][ T1020] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 112.473556][ T1020] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.473917][ T1020] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.474263][ T1020] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.474599][ T1020] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.474958][ T1020] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.475295][ T1020] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.475644][ T1020] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.475987][ T1020] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.476332][ T1020] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.476706][ T1020] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.477053][ T1020] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.477405][ T1020] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.477763][ T1020] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.478105][ T1020] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.478454][ T1020] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.478816][ T1020] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.479161][ T1020] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.479506][ T1020] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.479868][ T1020] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.480208][ T1020] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.480558][ T1020] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.480917][ T1020] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.481258][ T1020] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.481599][ T1020] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.481972][ T1020] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.482318][ T1020] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.482682][ T1020] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.483040][ T1020] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.483385][ T1020] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.483745][ T1020] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.484090][ T1020] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.484517][ T1020] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.484893][ T1020] ___sys_sendmsg (net/socket.c:2670) 
[ 112.485232][ T1020] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.485571][ T1020] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.485933][ T1020] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.486265][ T1020] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.486608][ T1020] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.486970][ T1020] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.487318][ T1020] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.487708][ T1020] __sys_sendmsg (net/socket.c:2700) 
[ 112.488058][ T1020] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.488429][ T1020] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.488811][ T1020] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.489153][ T1020] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.489496][ T1020] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.489865][ T1020] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.490285][ T1020] RIP: 0033:0x7f679b52e1e7
[ 112.490644][ T1020] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.491898][ T1020] RSP: 002b:00007ffe9db7c5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.492413][ T1020] RAX: ffffffffffffffda RBX: 00007ffe9db7ccd0 RCX: 00007f679b52e1e7
[  112.492937][ T1020] RDX: 0000000000000000 RSI: 00007ffe9db7c610 RDI: 0000000000000005
[  112.493441][ T1020] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.494014][ T1020] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9db7cd08
[  112.494526][ T1020] R13: 00000000686e6be6 R14: 0000000000499600 R15: 0000000000000000
| [  112.702725][ T1022] ------------[ cut here ]------------
| [ 112.703066][ T1022] WARNING: CPU: 3 PID: 1022 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.703741][ T1022] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.704937][ T1022] Tainted: [W]=WARN
[  112.705182][ T1022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.705576][ T1022] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.705956][ T1022] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.707120][ T1022] RSP: 0018:ffffc90000537080 EFLAGS: 00010246
[  112.707524][ T1022] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  112.708015][ T1022] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  112.708506][ T1022] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000
[  112.708990][ T1022] R10: ffffc90000537198 R11: ffffffff96ea8918 R12: 1ffff920000a6e14
[  112.709468][ T1022] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800b40af08
[  112.709982][ T1022] FS:  00007fa02f550800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  112.710547][ T1022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.710966][ T1022] CR2: 00007f8bd10e7a00 CR3: 000000000c948006 CR4: 0000000000772ef0
[  112.711447][ T1022] PKRU: 55555554
[  112.711701][ T1022] Call Trace:
[  112.711944][ T1022]  <TASK>
[ 112.712108][ T1022] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.712433][ T1022] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.712759][ T1022] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.713166][ T1022] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.713490][ T1022] netif_set_mtu (net/core/dev.c:9652) 
[ 112.713819][ T1022] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.714180][ T1022] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.714627][ T1022] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.714885][ T1022] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.715326][ T1022] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.715701][ T1022] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 112.716057][ T1022] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.716378][ T1022] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.716712][ T1022] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.717028][ T1022] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.717348][ T1022] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.717677][ T1022] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.718004][ T1022] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.718328][ T1022] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.718663][ T1022] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.718994][ T1022] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.719318][ T1022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.719657][ T1022] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.720010][ T1022] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.720339][ T1022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.720677][ T1022] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.720997][ T1022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.721316][ T1022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.721643][ T1022] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.721976][ T1022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.722298][ T1022] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.722630][ T1022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.722962][ T1022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.723279][ T1022] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.723600][ T1022] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.723949][ T1022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.724283][ T1022] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.724606][ T1022] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.724946][ T1022] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.725276][ T1022] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.725597][ T1022] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.725924][ T1022] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.726325][ T1022] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.726655][ T1022] ___sys_sendmsg (net/socket.c:2670) 
[ 112.726978][ T1022] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.727292][ T1022] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.727611][ T1022] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.727965][ T1022] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.728305][ T1022] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.728628][ T1022] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.728954][ T1022] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.729289][ T1022] __sys_sendmsg (net/socket.c:2700) 
[ 112.729607][ T1022] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.729935][ T1022] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.730269][ T1022] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.730596][ T1022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.730931][ T1022] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.731253][ T1022] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.731663][ T1022] RIP: 0033:0x7fa02f71d1e7
[ 112.732025][ T1022] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.733180][ T1022] RSP: 002b:00007fff1214b708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.733664][ T1022] RAX: ffffffffffffffda RBX: 00007fff1214be30 RCX: 00007fa02f71d1e7
[  112.734143][ T1022] RDX: 0000000000000000 RSI: 00007fff1214b770 RDI: 0000000000000005
[  112.734625][ T1022] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.735114][ T1022] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff1214be68
[  112.735593][ T1022] R13: 00000000686e6be6 R14: 0000000000499600 R15: 0000000000000000
| [  112.955469][ T1024] ------------[ cut here ]------------
| [ 112.955848][ T1024] WARNING: CPU: 2 PID: 1024 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.956504][ T1024] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  112.957842][ T1024] Tainted: [W]=WARN
[  112.958096][ T1024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.958553][ T1024] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.958913][ T1024] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.960216][ T1024] RSP: 0018:ffffc90000537080 EFLAGS: 00010246
[  112.960630][ T1024] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  112.961123][ T1024] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  112.961608][ T1024] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000
[  112.962103][ T1024] R10: ffffc90000537198 R11: ffffffff96ea8918 R12: 1ffff920000a6e14
[  112.962618][ T1024] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800b40af08
[  112.963299][ T1024] FS:  00007fb890136800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  112.964018][ T1024] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.964457][ T1024] CR2: 00000000004a1738 CR3: 000000000bbce001 CR4: 0000000000772ef0
[  112.965051][ T1024] PKRU: 55555554
[  112.965324][ T1024] Call Trace:
[  112.965577][ T1024]  <TASK>
[ 112.965765][ T1024] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.966103][ T1024] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.966451][ T1024] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.966967][ T1024] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.967386][ T1024] netif_set_mtu (net/core/dev.c:9652) 
[ 112.967739][ T1024] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.968221][ T1024] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.968771][ T1024] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.969065][ T1024] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.969611][ T1024] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.970071][ T1024] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 112.970476][ T1024] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 112.970826][ T1024] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 112.971186][ T1024] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 112.971529][ T1024] ? __dev_get_by_name (net/core/dev.c:865) 
[ 112.971964][ T1024] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.972415][ T1024] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 112.972763][ T1024] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.973087][ T1024] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.973433][ T1024] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 112.973832][ T1024] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.974288][ T1024] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.974725][ T1024] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.975172][ T1024] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.975670][ T1024] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.976008][ T1024] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.976497][ T1024] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.976923][ T1024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.977273][ T1024] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.977611][ T1024] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.978111][ T1024] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.978577][ T1024] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.979134][ T1024] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.979668][ T1024] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.980011][ T1024] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.980469][ T1024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.980820][ T1024] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.981267][ T1024] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.981604][ T1024] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.981959][ T1024] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.982393][ T1024] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.982808][ T1024] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.983318][ T1024] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 112.983751][ T1024] ___sys_sendmsg (net/socket.c:2670) 
[ 112.984253][ T1024] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.984704][ T1024] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 112.985069][ T1024] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 112.985488][ T1024] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 112.985873][ T1024] ? __handle_mm_fault (mm/memory.c:6212) 
[ 112.986312][ T1024] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 112.986660][ T1024] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 112.987007][ T1024] __sys_sendmsg (net/socket.c:2700) 
[ 112.987414][ T1024] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.987870][ T1024] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 112.988281][ T1024] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 112.988831][ T1024] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.989203][ T1024] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.989627][ T1024] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.990164][ T1024] RIP: 0033:0x7fb8903031e7
[ 112.990686][ T1024] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.992167][ T1024] RSP: 002b:00007ffcd9bdc6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.992785][ T1024] RAX: ffffffffffffffda RBX: 00007ffcd9bdcde0 RCX: 00007fb8903031e7
[  112.993371][ T1024] RDX: 0000000000000000 RSI: 00007ffcd9bdc720 RDI: 0000000000000005
[  112.993937][ T1024] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  112.994565][ T1024] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcd9bdce18
[  112.995169][ T1024] R13: 00000000686e6be6 R14: 0000000000499600 R15: 0000000000000000
| [  113.167126][ T1025] ------------[ cut here ]------------
| [ 113.167461][ T1025] WARNING: CPU: 3 PID: 1025 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.168288][ T1025] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.170008][ T1025] Tainted: [W]=WARN
[  113.170257][ T1025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.170681][ T1025] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.171058][ T1025] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.172214][ T1025] RSP: 0000:ffffc90000637080 EFLAGS: 00010246
[  113.172619][ T1025] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  113.173142][ T1025] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  113.173633][ T1025] RBP: ffffc90000637168 R08: 0000000000000000 R09: 0000000000000000
[  113.174152][ T1025] R10: ffffc90000637198 R11: ffffffff96ea8918 R12: 1ffff920000c6e14
[  113.174665][ T1025] R13: 00000000000005dc R14: ffffc90000637198 R15: ffff88800b40af08
[  113.175149][ T1025] FS:  00007f0a1b570800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  113.175711][ T1025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.176124][ T1025] CR2: 00007f8bd1327a9c CR3: 000000000b58c004 CR4: 0000000000772ef0
[  113.176603][ T1025] PKRU: 55555554
[  113.176848][ T1025] Call Trace:
[  113.177117][ T1025]  <TASK>
[ 113.177281][ T1025] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.177607][ T1025] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.177950][ T1025] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.178360][ T1025] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.178685][ T1025] netif_set_mtu (net/core/dev.c:9652) 
[ 113.179020][ T1025] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.179356][ T1025] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.179826][ T1025] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.180079][ T1025] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.180509][ T1025] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.180896][ T1025] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.181239][ T1025] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.181561][ T1025] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.181904][ T1025] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.182220][ T1025] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.182531][ T1025] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.182855][ T1025] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.183216][ T1025] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.183535][ T1025] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.183874][ T1025] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.184231][ T1025] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.184551][ T1025] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.184905][ T1025] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.185225][ T1025] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.185542][ T1025] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.185867][ T1025] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.186194][ T1025] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.186517][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.186851][ T1025] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.187195][ T1025] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.187509][ T1025] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.187858][ T1025] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.188206][ T1025] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.188540][ T1025] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.188877][ T1025] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.189190][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.189512][ T1025] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.189839][ T1025] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.190153][ T1025] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.190473][ T1025] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.190800][ T1025] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.191214][ T1025] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.191623][ T1025] ___sys_sendmsg (net/socket.c:2670) 
[ 113.191978][ T1025] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.192317][ T1025] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.192635][ T1025] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.192955][ T1025] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.193275][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.193607][ T1025] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.193938][ T1025] __sys_sendmsg (net/socket.c:2700) 
[ 113.194254][ T1025] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.194579][ T1025] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.194903][ T1025] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.195220][ T1025] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.195608][ T1025] RIP: 0033:0x7f0a1b73d1e7
[ 113.195973][ T1025] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.197109][ T1025] RSP: 002b:00007ffe65177218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.197585][ T1025] RAX: ffffffffffffffda RBX: 00007ffe65177940 RCX: 00007f0a1b73d1e7
[  113.198062][ T1025] RDX: 0000000000000000 RSI: 00007ffe65177280 RDI: 0000000000000005
[  113.198553][ T1025] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.199058][ T1025] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe65177978
[  113.199531][ T1025] R13: 00000000686e6be6 R14: 0000000000499600 R15: 0000000000000000
| [  113.380255][ T1027] ------------[ cut here ]------------
| [ 113.380571][ T1027] WARNING: CPU: 0 PID: 1027 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.381258][ T1027] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.382410][ T1027] Tainted: [W]=WARN
[  113.382654][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.383064][ T1027] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.383390][ T1027] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.384532][ T1027] RSP: 0018:ffffc90000637080 EFLAGS: 00010246
[  113.384950][ T1027] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  113.385424][ T1027] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  113.385909][ T1027] RBP: ffffc90000637168 R08: 0000000000000000 R09: 0000000000000000
[  113.386385][ T1027] R10: ffffc90000637198 R11: ffffffff96ea8918 R12: 1ffff920000c6e14
[  113.386883][ T1027] R13: 00000000000005dc R14: ffffc90000637198 R15: ffff88800b40af08
[  113.387352][ T1027] FS:  00007f37da57a800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  113.388013][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.388430][ T1027] CR2: 00000000004a1738 CR3: 00000000099c2006 CR4: 0000000000772ef0
[  113.388912][ T1027] PKRU: 55555554
[  113.389149][ T1027] Call Trace:
[  113.389389][ T1027]  <TASK>
[ 113.389556][ T1027] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.389888][ T1027] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.390209][ T1027] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.390606][ T1027] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.390932][ T1027] netif_set_mtu (net/core/dev.c:9652) 
[ 113.391243][ T1027] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.391570][ T1027] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.392016][ T1027] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.392254][ T1027] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.392696][ T1027] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.393061][ T1027] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.393375][ T1027] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.393701][ T1027] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.394018][ T1027] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.394331][ T1027] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.394657][ T1027] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.394973][ T1027] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.395294][ T1027] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.395603][ T1027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.395929][ T1027] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.396253][ T1027] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.396573][ T1027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.396903][ T1027] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.397216][ T1027] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.397532][ T1027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.397852][ T1027] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.398169][ T1027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.398504][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.398831][ T1027] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.399144][ T1027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.399458][ T1027] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.399798][ T1027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.400113][ T1027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.400428][ T1027] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.400755][ T1027] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.401073][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.401392][ T1027] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.401722][ T1027] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.402038][ T1027] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.402360][ T1027] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.402682][ T1027] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.402998][ T1027] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.403388][ T1027] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.403712][ T1027] ___sys_sendmsg (net/socket.c:2670) 
[ 113.404035][ T1027] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.404346][ T1027] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.404667][ T1027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.404986][ T1027] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.405302][ T1027] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.405616][ T1027] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.405933][ T1027] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.406265][ T1027] __sys_sendmsg (net/socket.c:2700) 
[ 113.406577][ T1027] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.406896][ T1027] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.407218][ T1027] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.407534][ T1027] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.407872][ T1027] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.408189][ T1027] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.408591][ T1027] RIP: 0033:0x7f37da7471e7
[ 113.408919][ T1027] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.410052][ T1027] RSP: 002b:00007ffca3445c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.410725][ T1027] RAX: ffffffffffffffda RBX: 00007ffca3446340 RCX: 00007f37da7471e7
[  113.411203][ T1027] RDX: 0000000000000000 RSI: 00007ffca3445c80 RDI: 0000000000000005
[  113.411837][ T1027] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.412423][ T1027] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca3446378
[  113.413045][ T1027] R13: 00000000686e6be7 R14: 0000000000499600 R15: 0000000000000000
| [  113.550772][ T1030] ------------[ cut here ]------------
| [ 113.551081][ T1030] WARNING: CPU: 0 PID: 1030 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.551760][ T1030] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.552904][ T1030] Tainted: [W]=WARN
[  113.553147][ T1030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.553549][ T1030] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.553890][ T1030] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.555020][ T1030] RSP: 0018:ffffc90000537080 EFLAGS: 00010246
[  113.555418][ T1030] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  113.555919][ T1030] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  113.556391][ T1030] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000
[  113.556871][ T1030] R10: ffffc90000537198 R11: ffffffff96ea8918 R12: 1ffff920000a6e14
[  113.557340][ T1030] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800b40af08
[  113.557844][ T1030] FS:  00007f8ffac8c800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  113.558409][ T1030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.558813][ T1030] CR2: 00000000004a1738 CR3: 000000000990f003 CR4: 0000000000772ef0
[  113.559287][ T1030] PKRU: 55555554
[  113.559521][ T1030] Call Trace:
[  113.559762][ T1030]  <TASK>
[ 113.559927][ T1030] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.560246][ T1030] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.560560][ T1030] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.560961][ T1030] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.561282][ T1030] netif_set_mtu (net/core/dev.c:9652) 
[ 113.561596][ T1030] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.561931][ T1030] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.562380][ T1030] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.562621][ T1030] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.563061][ T1030] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.563424][ T1030] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.563746][ T1030] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.564071][ T1030] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.564389][ T1030] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.564705][ T1030] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.565017][ T1030] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.565328][ T1030] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.565654][ T1030] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.565965][ T1030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.566284][ T1030] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.566610][ T1030] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.566940][ T1030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.567265][ T1030] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.567579][ T1030] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.567907][ T1030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.568227][ T1030] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.568546][ T1030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.568875][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.569196][ T1030] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.569520][ T1030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.569854][ T1030] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.570187][ T1030] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.570500][ T1030] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.570834][ T1030] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.571155][ T1030] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.571471][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.571815][ T1030] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.572137][ T1030] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.572453][ T1030] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.572787][ T1030] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.573108][ T1030] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.573443][ T1030] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.573846][ T1030] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.574175][ T1030] ___sys_sendmsg (net/socket.c:2670) 
[ 113.574495][ T1030] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.574848][ T1030] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.575166][ T1030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.575480][ T1030] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.575809][ T1030] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.576125][ T1030] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.576442][ T1030] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.576781][ T1030] __sys_sendmsg (net/socket.c:2700) 
[ 113.577101][ T1030] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.577417][ T1030] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.577747][ T1030] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.578065][ T1030] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.578393][ T1030] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.578726][ T1030] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.579117][ T1030] RIP: 0033:0x7f8ffae591e7
[ 113.579443][ T1030] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.580569][ T1030] RSP: 002b:00007fff0524f278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.581053][ T1030] RAX: ffffffffffffffda RBX: 00007fff0524f9a0 RCX: 00007f8ffae591e7
[  113.581523][ T1030] RDX: 0000000000000000 RSI: 00007fff0524f2e0 RDI: 0000000000000005
[  113.582003][ T1030] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.582480][ T1030] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff0524f9d8
[  113.582973][ T1030] R13: 00000000686e6be7 R14: 0000000000499600 R15: 0000000000000000
| [  113.779243][ T1032] ------------[ cut here ]------------
| [ 113.779559][ T1032] WARNING: CPU: 3 PID: 1032 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.780269][ T1032] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.781444][ T1032] Tainted: [W]=WARN
[  113.781719][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.782119][ T1032] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.782449][ T1032] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.783586][ T1032] RSP: 0018:ffffc90002207080 EFLAGS: 00010246
[  113.784004][ T1032] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  113.784493][ T1032] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  113.784984][ T1032] RBP: ffffc90002207168 R08: 0000000000000000 R09: 0000000000000000
[  113.785483][ T1032] R10: ffffc90002207198 R11: ffffffff96ea8918 R12: 1ffff92000440e14
[  113.785975][ T1032] R13: 00000000000005dc R14: ffffc90002207198 R15: ffff88800b40af08
[  113.786467][ T1032] FS:  00007fece327c800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  113.787037][ T1032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.787449][ T1032] CR2: 00000000004a1738 CR3: 000000000cba8004 CR4: 0000000000772ef0
[  113.787942][ T1032] PKRU: 55555554
[  113.788185][ T1032] Call Trace:
[  113.788447][ T1032]  <TASK>
[ 113.788617][ T1032] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.788959][ T1032] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.789282][ T1032] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.789704][ T1032] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.790031][ T1032] netif_set_mtu (net/core/dev.c:9652) 
[ 113.790346][ T1032] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.790686][ T1032] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.791139][ T1032] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.791385][ T1032] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.791843][ T1032] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.792207][ T1032] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.792540][ T1032] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.792867][ T1032] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.793190][ T1032] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.793501][ T1032] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.793834][ T1032] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.794165][ T1032] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.794489][ T1032] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.794816][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.795148][ T1032] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.795486][ T1032] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.795819][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.796162][ T1032] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.796478][ T1032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.796807][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.797139][ T1032] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.797467][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.797793][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.798127][ T1032] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.798458][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.798781][ T1032] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.799110][ T1032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.799426][ T1032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.799750][ T1032] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.800075][ T1032] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.800395][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.800732][ T1032] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.801057][ T1032] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.801379][ T1032] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.801715][ T1032] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.802049][ T1032] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.802372][ T1032] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.802782][ T1032] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 113.803110][ T1032] ___sys_sendmsg (net/socket.c:2670) 
[ 113.803433][ T1032] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.803754][ T1032] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 113.804082][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.804406][ T1032] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 113.804749][ T1032] ? __handle_mm_fault (mm/memory.c:6212) 
[ 113.805081][ T1032] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 113.805431][ T1032] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 113.805792][ T1032] __sys_sendmsg (net/socket.c:2700) 
[ 113.806126][ T1032] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.806446][ T1032] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 113.806775][ T1032] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 113.807131][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.807460][ T1032] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.807797][ T1032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.808200][ T1032] RIP: 0033:0x7fece34491e7
[ 113.808545][ T1032] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.809718][ T1032] RSP: 002b:00007fff380b0408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.810211][ T1032] RAX: ffffffffffffffda RBX: 00007fff380b0b30 RCX: 00007fece34491e7
[  113.810693][ T1032] RDX: 0000000000000000 RSI: 00007fff380b0470 RDI: 0000000000000005
[  113.811173][ T1032] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.811676][ T1032] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff380b0b68
[  113.812166][ T1032] R13: 00000000686e6be7 R14: 0000000000499600 R15: 0000000000000000
| [  113.957987][ T1033] ------------[ cut here ]------------
| [ 113.958373][ T1033] WARNING: CPU: 2 PID: 1033 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.959053][ T1033] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  113.960256][ T1033] Tainted: [W]=WARN
[  113.960515][ T1033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.960940][ T1033] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.961300][ T1033] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.962498][ T1033] RSP: 0018:ffffc90000677080 EFLAGS: 00010246
[  113.962930][ T1033] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  113.963443][ T1033] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  113.963941][ T1033] RBP: ffffc90000677168 R08: 0000000000000000 R09: 0000000000000000
[  113.964439][ T1033] R10: ffffc90000677198 R11: ffffffff96ea8918 R12: 1ffff920000cee14
[  113.964935][ T1033] R13: 00000000000005dc R14: ffffc90000677198 R15: ffff88800b40af08
[  113.965443][ T1033] FS:  00007f39d71bc800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  113.966024][ T1033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.966453][ T1033] CR2: 00007f39d73d05c0 CR3: 000000000c14a001 CR4: 0000000000772ef0
[  113.966955][ T1033] PKRU: 55555554
[  113.967220][ T1033] Call Trace:
[  113.967487][ T1033]  <TASK>
[ 113.967675][ T1033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.968014][ T1033] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.968379][ T1033] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.968803][ T1033] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.969138][ T1033] netif_set_mtu (net/core/dev.c:9652) 
[ 113.969482][ T1033] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.969836][ T1033] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 113.970319][ T1033] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.970575][ T1033] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.971042][ T1033] br_add_if (net/bridge/br_if.c:697) bridge 
[ 113.971439][ T1033] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.971775][ T1033] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 113.972108][ T1033] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 113.972472][ T1033] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 113.972807][ T1033] ? __dev_get_by_name (net/core/dev.c:865) 
[ 113.973139][ T1033] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.973486][ T1033] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 113.973833][ T1033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.974171][ T1033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 113.974523][ T1033] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 113.974879][ T1033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.975215][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.975577][ T1033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.975912][ T1033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.976246][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.976596][ T1033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.976954][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.977296][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.977660][ T1033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.977998][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.978342][ T1033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.978709][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.979039][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.979368][ T1033] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.979745][ T1033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.980076][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.980425][ T1033] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.980781][ T1033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.981115][ T1033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.981452][ T1033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.981809][ T1033] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.982148][ T1033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.982581][ T1033] ___sys_sendmsg (net/socket.c:2670) 
[ 113.982933][ T1033] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.983269][ T1033] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.983614][ T1033] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.983963][ T1033] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.984294][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.984656][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.985007][ T1033] __sys_sendmsg (net/socket.c:2700) 
[ 113.985333][ T1033] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.985704][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.986092][ T1033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.986425][ T1033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.986853][ T1033] RIP: 0033:0x7f39d73891e7
[ 113.987191][ T1033] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.988369][ T1033] RSP: 002b:00007ffcace02a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.988892][ T1033] RAX: ffffffffffffffda RBX: 00007ffcace03140 RCX: 00007f39d73891e7
[  113.989385][ T1033] RDX: 0000000000000000 RSI: 00007ffcace02a80 RDI: 0000000000000005
[  113.989896][ T1033] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  113.990378][ T1033] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcace03178
[  113.990905][ T1033] R13: 00000000686e6be7 R14: 0000000000499600 R15: 0000000000000000
| [  114.151301][ T1035] ------------[ cut here ]------------
| [ 114.151640][ T1035] WARNING: CPU: 2 PID: 1035 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.152377][ T1035] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.153562][ T1035] Tainted: [W]=WARN
[  114.153845][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.154256][ T1035] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.154597][ T1035] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.155782][ T1035] RSP: 0018:ffffc90000637080 EFLAGS: 00010246
[  114.156197][ T1035] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  114.156691][ T1035] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  114.157196][ T1035] RBP: ffffc90000637168 R08: 0000000000000000 R09: 0000000000000000
[  114.157687][ T1035] R10: ffffc90000637198 R11: ffffffff96ea8918 R12: 1ffff920000c6e14
[  114.158189][ T1035] R13: 00000000000005dc R14: ffffc90000637198 R15: ffff88800b40af08
[  114.158711][ T1035] FS:  00007fa7163e0800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  114.159326][ T1035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.159768][ T1035] CR2: 00000000004a1738 CR3: 000000000e79f006 CR4: 0000000000772ef0
[  114.160287][ T1035] PKRU: 55555554
[  114.160551][ T1035] Call Trace:
[  114.160829][ T1035]  <TASK>
[ 114.161027][ T1035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.161388][ T1035] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.161751][ T1035] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.162205][ T1035] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.162565][ T1035] netif_set_mtu (net/core/dev.c:9652) 
[ 114.162947][ T1035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.163311][ T1035] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.163796][ T1035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.164087][ T1035] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.164560][ T1035] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.164984][ T1035] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 114.165346][ T1035] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.165710][ T1035] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.166080][ T1035] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.166422][ T1035] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.166778][ T1035] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.167148][ T1035] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.167502][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.167854][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.168237][ T1035] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.168590][ T1035] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.168958][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.169334][ T1035] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.169688][ T1035] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.170039][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.170401][ T1035] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.170755][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.171127][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.171483][ T1035] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.171843][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.172206][ T1035] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.172566][ T1035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.172919][ T1035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.173295][ T1035] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 114.173655][ T1035] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.174008][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.174381][ T1035] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.174742][ T1035] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.175085][ T1035] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.175455][ T1035] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.175819][ T1035] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.176161][ T1035] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.176600][ T1035] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.176973][ T1035] ___sys_sendmsg (net/socket.c:2670) 
[ 114.177342][ T1035] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.177700][ T1035] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.178049][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.178434][ T1035] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.178801][ T1035] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.179151][ T1035] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.179518][ T1035] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.179900][ T1035] __sys_sendmsg (net/socket.c:2700) 
[ 114.180262][ T1035] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.180621][ T1035] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.180990][ T1035] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.181346][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.181711][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.182061][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.182734][ T1035] RIP: 0033:0x7fa7165ad1e7
[ 114.183094][ T1035] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.186041][ T1035] RSP: 002b:00007fff4c1ba658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.186591][ T1035] RAX: ffffffffffffffda RBX: 00007fff4c1bad80 RCX: 00007fa7165ad1e7
[  114.187121][ T1035] RDX: 0000000000000000 RSI: 00007fff4c1ba6c0 RDI: 0000000000000005
[  114.187656][ T1035] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.188168][ T1035] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff4c1badb8
[  114.188718][ T1035] R13: 00000000686e6be7 R14: 0000000000499600 R15: 0000000000000000
| [  114.370168][ T1038] ------------[ cut here ]------------
| [ 114.370525][ T1038] WARNING: CPU: 3 PID: 1038 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.371210][ T1038] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.372361][ T1038] Tainted: [W]=WARN
[  114.372601][ T1038] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.373045][ T1038] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.373378][ T1038] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.374541][ T1038] RSP: 0018:ffffc90000697080 EFLAGS: 00010246
[  114.374953][ T1038] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  114.375429][ T1038] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  114.375918][ T1038] RBP: ffffc90000697168 R08: 0000000000000000 R09: 0000000000000000
[  114.376391][ T1038] R10: ffffc90000697198 R11: ffffffff96ea8918 R12: 1ffff920000d2e14
[  114.376891][ T1038] R13: 00000000000005dc R14: ffffc90000697198 R15: ffff88800b40af08
[  114.377370][ T1038] FS:  00007f0780b00800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  114.377962][ T1038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.378381][ T1038] CR2: 00000000004a1738 CR3: 000000000cb28003 CR4: 0000000000772ef0
[  114.379032][ T1038] PKRU: 55555554
[  114.379422][ T1038] Call Trace:
[  114.379845][ T1038]  <TASK>
[ 114.380116][ T1038] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.380636][ T1038] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.381045][ T1038] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.381444][ T1038] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.381777][ T1038] netif_set_mtu (net/core/dev.c:9652) 
[ 114.382097][ T1038] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.382425][ T1038] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.382879][ T1038] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.383127][ T1038] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.383592][ T1038] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.383986][ T1038] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 114.384304][ T1038] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.384630][ T1038] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.384956][ T1038] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.385273][ T1038] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.385603][ T1038] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.385937][ T1038] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.386345][ T1038] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.386901][ T1038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.387444][ T1038] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.388014][ T1038] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.388585][ T1038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.389182][ T1038] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.389801][ T1038] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.390387][ T1038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.390972][ T1038] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.391565][ T1038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.392167][ T1038] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.392774][ T1038] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.393354][ T1038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.393942][ T1038] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.394538][ T1038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.395121][ T1038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.395713][ T1038] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 114.396292][ T1038] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.396783][ T1038] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.397125][ T1038] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.397474][ T1038] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.397914][ T1038] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.398276][ T1038] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.398629][ T1038] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.398973][ T1038] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.399390][ T1038] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.399735][ T1038] ___sys_sendmsg (net/socket.c:2670) 
[ 114.400068][ T1038] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.400396][ T1038] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.400737][ T1038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.401068][ T1038] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.401402][ T1038] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.401740][ T1038] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.402068][ T1038] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.402416][ T1038] __sys_sendmsg (net/socket.c:2700) 
[ 114.402751][ T1038] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.403087][ T1038] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.403427][ T1038] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.403773][ T1038] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.404111][ T1038] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.404443][ T1038] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.404858][ T1038] RIP: 0033:0x7f0780ccd1e7
[ 114.405199][ T1038] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.406394][ T1038] RSP: 002b:00007ffe36258bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.406904][ T1038] RAX: ffffffffffffffda RBX: 00007ffe36259300 RCX: 00007f0780ccd1e7
[  114.407398][ T1038] RDX: 0000000000000000 RSI: 00007ffe36258c40 RDI: 0000000000000005
[  114.407899][ T1038] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.408402][ T1038] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe36259338
[  114.408914][ T1038] R13: 00000000686e6be8 R14: 0000000000499600 R15: 0000000000000000
| [  114.569555][ T1040] ------------[ cut here ]------------
| [ 114.569983][ T1040] WARNING: CPU: 2 PID: 1040 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.570701][ T1040] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.572141][ T1040] Tainted: [W]=WARN
[  114.572482][ T1040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.573043][ T1040] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.573484][ T1040] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.574734][ T1040] RSP: 0018:ffffc900006a7080 EFLAGS: 00010246
[  114.575193][ T1040] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  114.575722][ T1040] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  114.576239][ T1040] RBP: ffffc900006a7168 R08: 0000000000000000 R09: 0000000000000000
[  114.576765][ T1040] R10: ffffc900006a7198 R11: ffffffff96ea8918 R12: 1ffff920000d4e14
[  114.577282][ T1040] R13: 00000000000005dc R14: ffffc900006a7198 R15: ffff88800b40af08
[  114.577810][ T1040] FS:  00007f25dc95c800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  114.578429][ T1040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.578879][ T1040] CR2: 00005631b19f9100 CR3: 000000000c025003 CR4: 0000000000772ef0
[  114.579404][ T1040] PKRU: 55555554
[  114.579680][ T1040] Call Trace:
[  114.579948][ T1040]  <TASK>
[ 114.580134][ T1040] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.580496][ T1040] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.580859][ T1040] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.581297][ T1040] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.581668][ T1040] netif_set_mtu (net/core/dev.c:9652) 
[ 114.582122][ T1040] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.582539][ T1040] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.583046][ T1040] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.583318][ T1040] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.584003][ T1040] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.584424][ T1040] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 114.584789][ T1040] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.585244][ T1040] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.585720][ T1040] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.586100][ T1040] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.586514][ T1040] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.586993][ T1040] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.587429][ T1040] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.587791][ T1040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.588206][ T1040] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.588598][ T1040] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.589063][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.589454][ T1040] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.589823][ T1040] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.590183][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.590560][ T1040] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.591037][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.591503][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.592007][ T1040] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.592370][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.592748][ T1040] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.593167][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.593585][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.593947][ T1040] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 114.594303][ T1040] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.594681][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.595041][ T1040] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.595415][ T1040] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.595864][ T1040] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.596234][ T1040] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.596606][ T1040] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.596968][ T1040] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.597416][ T1040] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.597778][ T1040] ___sys_sendmsg (net/socket.c:2670) 
[ 114.598240][ T1040] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.598706][ T1040] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.599062][ T1040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.599441][ T1040] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.599936][ T1040] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.600291][ T1040] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.600675][ T1040] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.601068][ T1040] __sys_sendmsg (net/socket.c:2700) 
[ 114.601561][ T1040] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.602021][ T1040] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.602576][ T1040] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.603009][ T1040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.603364][ T1040] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.603836][ T1040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.604266][ T1040] RIP: 0033:0x7f25dcb291e7
[ 114.604665][ T1040] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.606162][ T1040] RSP: 002b:00007ffd73fe0d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.606832][ T1040] RAX: ffffffffffffffda RBX: 00007ffd73fe1490 RCX: 00007f25dcb291e7
[  114.607438][ T1040] RDX: 0000000000000000 RSI: 00007ffd73fe0dd0 RDI: 0000000000000005
[  114.608123][ T1040] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.608786][ T1040] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd73fe14c8
[  114.609298][ T1040] R13: 00000000686e6be8 R14: 0000000000499600 R15: 0000000000000000
| [  114.799574][ T1041] ------------[ cut here ]------------
| [ 114.799943][ T1041] WARNING: CPU: 3 PID: 1041 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.800573][ T1041] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.801797][ T1041] Tainted: [W]=WARN
[  114.802054][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.802474][ T1041] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.802820][ T1041] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.804016][ T1041] RSP: 0018:ffffc90000677080 EFLAGS: 00010246
[  114.804432][ T1041] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  114.804930][ T1041] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  114.805426][ T1041] RBP: ffffc90000677168 R08: 0000000000000000 R09: 0000000000000000
[  114.805925][ T1041] R10: ffffc90000677198 R11: ffffffff96ea8918 R12: 1ffff920000cee14
[  114.806419][ T1041] R13: 00000000000005dc R14: ffffc90000677198 R15: ffff88800b40af08
[  114.806922][ T1041] FS:  00007f4b45336800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  114.807500][ T1041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.807927][ T1041] CR2: 00000000004a1738 CR3: 00000000021ad003 CR4: 0000000000772ef0
[  114.808441][ T1041] PKRU: 55555554
[  114.808699][ T1041] Call Trace:
[  114.808949][ T1041]  <TASK>
[ 114.809121][ T1041] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.809457][ T1041] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.809799][ T1041] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.810213][ T1041] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.810552][ T1041] netif_set_mtu (net/core/dev.c:9652) 
[ 114.810898][ T1041] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.811243][ T1041] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.811717][ T1041] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.811971][ T1041] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.812408][ T1041] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.812786][ T1041] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 114.813127][ T1041] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 114.813446][ T1041] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 114.813778][ T1041] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 114.814108][ T1041] ? __dev_get_by_name (net/core/dev.c:865) 
[ 114.814450][ T1041] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.814795][ T1041] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 114.815115][ T1041] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.815430][ T1041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.815777][ T1041] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 114.816106][ T1041] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.816431][ T1041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.816778][ T1041] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.817098][ T1041] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.817423][ T1041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.817749][ T1041] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.818069][ T1041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.818405][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.818749][ T1041] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.819072][ T1041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.819394][ T1041] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.819729][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.820048][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.820393][ T1041] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 114.820732][ T1041] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.821065][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.821399][ T1041] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.821748][ T1041] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.822070][ T1041] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.822410][ T1041] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.822752][ T1041] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.823084][ T1041] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.823502][ T1041] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 114.823847][ T1041] ___sys_sendmsg (net/socket.c:2670) 
[ 114.824181][ T1041] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.824498][ T1041] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 114.824827][ T1041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 114.825143][ T1041] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 114.825461][ T1041] ? __handle_mm_fault (mm/memory.c:6212) 
[ 114.825791][ T1041] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 114.826117][ T1041] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 114.826457][ T1041] __sys_sendmsg (net/socket.c:2700) 
[ 114.826782][ T1041] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.827105][ T1041] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 114.827447][ T1041] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 114.827781][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.828120][ T1041] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.828455][ T1041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.828871][ T1041] RIP: 0033:0x7f4b455031e7
[ 114.829211][ T1041] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.830350][ T1041] RSP: 002b:00007ffdcff88998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.830852][ T1041] RAX: ffffffffffffffda RBX: 00007ffdcff890c0 RCX: 00007f4b455031e7
[  114.831325][ T1041] RDX: 0000000000000000 RSI: 00007ffdcff88a00 RDI: 0000000000000005
[  114.831801][ T1041] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  114.832278][ T1041] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdcff890f8
[  114.832769][ T1041] R13: 00000000686e6be8 R14: 0000000000499600 R15: 0000000000000000
| [  114.982514][ T1043] ------------[ cut here ]------------
| [ 114.983229][ T1043] WARNING: CPU: 3 PID: 1043 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.984355][ T1043] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  114.986450][ T1043] Tainted: [W]=WARN
[  114.986894][ T1043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.987353][ T1043] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.987689][ T1043] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.989207][ T1043] RSP: 0018:ffffc90000557080 EFLAGS: 00010246
[  114.989967][ T1043] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  114.990849][ T1043] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  114.991730][ T1043] RBP: ffffc90000557168 R08: 0000000000000000 R09: 0000000000000000
[  114.992482][ T1043] R10: ffffc90000557198 R11: ffffffff96ea8918 R12: 1ffff920000aae14
[  114.993208][ T1043] R13: 00000000000005dc R14: ffffc90000557198 R15: ffff88800b40af08
[  114.994102][ T1043] FS:  00007f990defa800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  114.994818][ T1043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.995233][ T1043] CR2: 00000000004a1738 CR3: 000000000a5ba002 CR4: 0000000000772ef0
[  114.995853][ T1043] PKRU: 55555554
[  114.996138][ T1043] Call Trace:
[  114.996431][ T1043]  <TASK>
[ 114.996599][ T1043] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.997032][ T1043] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.997429][ T1043] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.997847][ T1043] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.998234][ T1043] netif_set_mtu (net/core/dev.c:9652) 
[ 114.998578][ T1043] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.999143][ T1043] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.999763][ T1043] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.000025][ T1043] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.000486][ T1043] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.000946][ T1043] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 115.001297][ T1043] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.001733][ T1043] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.002144][ T1043] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.002566][ T1043] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.002943][ T1043] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.003512][ T1043] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.003859][ T1043] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.004405][ T1043] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.005005][ T1043] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.005603][ T1043] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.006192][ T1043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.006807][ T1043] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.007365][ T1043] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.007942][ T1043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.008539][ T1043] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.009121][ T1043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.009704][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.010351][ T1043] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.010926][ T1043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.011523][ T1043] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.012132][ T1043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.012715][ T1043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.013286][ T1043] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 115.014309][ T1043] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.014905][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.015520][ T1043] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.016120][ T1043] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.017176][ T1043] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.018182][ T1043] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.018783][ T1043] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.019362][ T1043] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.020101][ T1043] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.020668][ T1043] ___sys_sendmsg (net/socket.c:2670) 
[ 115.021248][ T1043] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.021832][ T1043] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.022388][ T1043] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.022969][ T1043] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.023542][ T1043] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.024123][ T1043] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.024668][ T1043] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.025701][ T1043] __sys_sendmsg (net/socket.c:2700) 
[ 115.026263][ T1043] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.026838][ T1043] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 115.028673][ T1043] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 115.029248][ T1043] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.030252][ T1043] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.030843][ T1043] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.031562][ T1043] RIP: 0033:0x7f990e0c71e7
[ 115.032162][ T1043] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.034105][ T1043] RSP: 002b:00007ffde3c6f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.034983][ T1043] RAX: ffffffffffffffda RBX: 00007ffde3c6f890 RCX: 00007f990e0c71e7
[  115.036231][ T1043] RDX: 0000000000000000 RSI: 00007ffde3c6f1d0 RDI: 0000000000000005
[  115.037085][ T1043] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.037943][ T1043] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde3c6f8c8
[  115.038826][ T1043] R13: 00000000686e6be8 R14: 0000000000499600 R15: 0000000000000000
| [  115.221585][ T1045] ------------[ cut here ]------------
| [ 115.221967][ T1045] WARNING: CPU: 0 PID: 1045 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.222599][ T1045] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.223758][ T1045] Tainted: [W]=WARN
[  115.224006][ T1045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.224447][ T1045] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.224802][ T1045] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.226065][ T1045] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246
[  115.226487][ T1045] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  115.226986][ T1045] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  115.227464][ T1045] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000
[  115.227954][ T1045] R10: ffffc900006f7198 R11: ffffffff96ea8918 R12: 1ffff920000dee14
[  115.228472][ T1045] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff88800b40af08
[  115.228965][ T1045] FS:  00007f8511a24800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  115.229524][ T1045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.229938][ T1045] CR2: 00007f8bd0e37ba0 CR3: 000000000fdb6001 CR4: 0000000000772ef0
[  115.230441][ T1045] PKRU: 55555554
[  115.230697][ T1045] Call Trace:
[  115.230939][ T1045]  <TASK>
[ 115.231102][ T1045] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.231431][ T1045] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.231763][ T1045] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.232163][ T1045] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.232485][ T1045] netif_set_mtu (net/core/dev.c:9652) 
[ 115.232811][ T1045] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.233142][ T1045] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.233583][ T1045] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.233838][ T1045] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.234277][ T1045] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.234639][ T1045] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 115.234968][ T1045] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.235289][ T1045] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.235636][ T1045] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.235961][ T1045] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.236278][ T1045] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.236598][ T1045] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.236930][ T1045] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.237242][ T1045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.237572][ T1045] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.237906][ T1045] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.238240][ T1045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.238571][ T1045] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.238901][ T1045] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.239221][ T1045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.239568][ T1045] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.239899][ T1045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.240222][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.240542][ T1045] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.240875][ T1045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.241198][ T1045] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.241526][ T1045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.241868][ T1045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.242185][ T1045] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 115.242509][ T1045] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.242833][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.243200][ T1045] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.243553][ T1045] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.243898][ T1045] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.244224][ T1045] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.244547][ T1045] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.244881][ T1045] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.245292][ T1045] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.245663][ T1045] ___sys_sendmsg (net/socket.c:2670) 
[ 115.246006][ T1045] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.246332][ T1045] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.246684][ T1045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.247008][ T1045] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.247336][ T1045] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.247688][ T1045] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.248016][ T1045] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.248372][ T1045] __sys_sendmsg (net/socket.c:2700) 
[ 115.248702][ T1045] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.249021][ T1045] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 115.249348][ T1045] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 115.249694][ T1045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.250027][ T1045] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.250342][ T1045] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.250750][ T1045] RIP: 0033:0x7f8511bf11e7
[ 115.251077][ T1045] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.252225][ T1045] RSP: 002b:00007ffd2901a5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.252757][ T1045] RAX: ffffffffffffffda RBX: 00007ffd2901ad00 RCX: 00007f8511bf11e7
[  115.253237][ T1045] RDX: 0000000000000000 RSI: 00007ffd2901a640 RDI: 0000000000000005
[  115.253728][ T1045] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.254204][ T1045] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd2901ad38
[  115.254706][ T1045] R13: 00000000686e6be8 R14: 0000000000499600 R15: 0000000000000000
| [  115.404942][ T1047] ------------[ cut here ]------------
| [ 115.405266][ T1047] WARNING: CPU: 3 PID: 1047 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.406166][ T1047] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.407341][ T1047] Tainted: [W]=WARN
[  115.407587][ T1047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.408009][ T1047] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.408358][ T1047] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.409533][ T1047] RSP: 0018:ffffc90000727080 EFLAGS: 00010246
[  115.409945][ T1047] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  115.410417][ T1047] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  115.410901][ T1047] RBP: ffffc90000727168 R08: 0000000000000000 R09: 0000000000000000
[  115.411372][ T1047] R10: ffffc90000727198 R11: ffffffff96ea8918 R12: 1ffff920000e4e14
[  115.411856][ T1047] R13: 00000000000005dc R14: ffffc90000727198 R15: ffff88800b40af08
[  115.412338][ T1047] FS:  00007fd72be6f800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  115.412902][ T1047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.413295][ T1047] CR2: 00007f061b19f1b4 CR3: 000000000990f003 CR4: 0000000000772ef0
[  115.413788][ T1047] PKRU: 55555554
[  115.414028][ T1047] Call Trace:
[  115.414266][ T1047]  <TASK>
[ 115.414431][ T1047] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.414762][ T1047] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.415081][ T1047] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.415477][ T1047] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.415804][ T1047] netif_set_mtu (net/core/dev.c:9652) 
[ 115.416129][ T1047] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.416455][ T1047] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.416906][ T1047] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.417144][ T1047] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.417576][ T1047] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.417949][ T1047] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 115.418270][ T1047] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.418597][ T1047] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.418923][ T1047] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.419235][ T1047] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.419556][ T1047] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.419880][ T1047] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.420205][ T1047] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.420529][ T1047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.420856][ T1047] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.421185][ T1047] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.421504][ T1047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.421841][ T1047] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.422163][ T1047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.422492][ T1047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.422822][ T1047] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.423138][ T1047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.423482][ T1047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.423812][ T1047] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.424128][ T1047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.424457][ T1047] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.424800][ T1047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.425115][ T1047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.425442][ T1047] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 115.425776][ T1047] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.426102][ T1047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.426425][ T1047] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.426754][ T1047] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.427080][ T1047] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.427402][ T1047] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.427728][ T1047] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.428047][ T1047] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.428450][ T1047] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.428797][ T1047] ___sys_sendmsg (net/socket.c:2670) 
[ 115.429133][ T1047] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.429464][ T1047] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.429822][ T1047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.430155][ T1047] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.430475][ T1047] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.430798][ T1047] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.431111][ T1047] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.431457][ T1047] __sys_sendmsg (net/socket.c:2700) 
[ 115.431796][ T1047] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.432130][ T1047] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 115.432469][ T1047] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 115.432810][ T1047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.433151][ T1047] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.433482][ T1047] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.433895][ T1047] RIP: 0033:0x7fd72c03c1e7
[ 115.434236][ T1047] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.435431][ T1047] RSP: 002b:00007fffb04f5ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.435935][ T1047] RAX: ffffffffffffffda RBX: 00007fffb04f63d0 RCX: 00007fd72c03c1e7
[  115.436432][ T1047] RDX: 0000000000000000 RSI: 00007fffb04f5d10 RDI: 0000000000000005
[  115.436913][ T1047] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.437383][ T1047] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb04f6408
[  115.437858][ T1047] R13: 00000000686e6be9 R14: 0000000000499600 R15: 0000000000000000
| [  115.589376][ T1049] ------------[ cut here ]------------
| [ 115.589963][ T1049] WARNING: CPU: 3 PID: 1049 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.591074][ T1049] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.593598][ T1049] Tainted: [W]=WARN
[  115.594042][ T1049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.594746][ T1049] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.595081][ T1049] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.596288][ T1049] RSP: 0018:ffffc90000537080 EFLAGS: 00010246
[  115.596759][ T1049] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  115.597248][ T1049] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  115.597849][ T1049] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000
[  115.598741][ T1049] R10: ffffc90000537198 R11: ffffffff96ea8918 R12: 1ffff920000a6e14
[  115.599280][ T1049] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800b40af08
[  115.599780][ T1049] FS:  00007f279220f800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  115.600367][ T1049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.600837][ T1049] CR2: 00007f8bd11d6840 CR3: 000000000baa9005 CR4: 0000000000772ef0
[  115.601315][ T1049] PKRU: 55555554
[  115.601556][ T1049] Call Trace:
[  115.601841][ T1049]  <TASK>
[ 115.602008][ T1049] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.602338][ T1049] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.602709][ T1049] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.603199][ T1049] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.603519][ T1049] netif_set_mtu (net/core/dev.c:9652) 
[ 115.603859][ T1049] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.604187][ T1049] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.604655][ T1049] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.604901][ T1049] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.605342][ T1049] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.605756][ T1049] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 115.606078][ T1049] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.606403][ T1049] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.606763][ T1049] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.607077][ T1049] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.607397][ T1049] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.607731][ T1049] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.608065][ T1049] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.608425][ T1049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.608771][ T1049] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.609124][ T1049] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.609455][ T1049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.609827][ T1049] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.610152][ T1049] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.610492][ T1049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.610836][ T1049] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.611180][ T1049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.611503][ T1049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.611848][ T1049] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.612166][ T1049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.612489][ T1049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.612825][ T1049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.613150][ T1049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.613468][ T1049] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 115.613832][ T1049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.614157][ T1049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.614477][ T1049] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.614813][ T1049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.615138][ T1049] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.615459][ T1049] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.615795][ T1049] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.616116][ T1049] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.616525][ T1049] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.616864][ T1049] ___sys_sendmsg (net/socket.c:2670) 
[ 115.617180][ T1049] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.617508][ T1049] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.617873][ T1049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.618187][ T1049] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.618526][ T1049] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.618865][ T1049] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.619196][ T1049] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.619530][ T1049] __sys_sendmsg (net/socket.c:2700) 
[ 115.619876][ T1049] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.620195][ T1049] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 115.620518][ T1049] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 115.620843][ T1049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.621194][ T1049] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.621515][ T1049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.621940][ T1049] RIP: 0033:0x7f27923dc1e7
[ 115.622263][ T1049] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.623419][ T1049] RSP: 002b:00007ffe41a2a998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.623932][ T1049] RAX: ffffffffffffffda RBX: 00007ffe41a2b0c0 RCX: 00007f27923dc1e7
[  115.624416][ T1049] RDX: 0000000000000000 RSI: 00007ffe41a2aa00 RDI: 0000000000000005
[  115.624909][ T1049] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.625378][ T1049] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe41a2b0f8
[  115.625897][ T1049] R13: 00000000686e6be9 R14: 0000000000499600 R15: 0000000000000000
| [  115.807288][ T1051] ------------[ cut here ]------------
| [ 115.807873][ T1051] WARNING: CPU: 1 PID: 1051 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.808875][ T1051] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  115.810621][ T1051] Tainted: [W]=WARN
[  115.811030][ T1051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.811462][ T1051] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.811958][ T1051] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.813401][ T1051] RSP: 0018:ffffc90000697080 EFLAGS: 00010246
[  115.813973][ T1051] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  115.814586][ T1051] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  115.815295][ T1051] RBP: ffffc90000697168 R08: 0000000000000000 R09: 0000000000000000
[  115.815945][ T1051] R10: ffffc90000697198 R11: ffffffff96ea8918 R12: 1ffff920000d2e14
[  115.816491][ T1051] R13: 00000000000005dc R14: ffffc90000697198 R15: ffff88800b40af08
[  115.817361][ T1051] FS:  00007f55e7bb2800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  115.818112][ T1051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.818567][ T1051] CR2: 00000000004a1738 CR3: 0000000004cc4002 CR4: 0000000000772ef0
[  115.819147][ T1051] PKRU: 55555554
[  115.819405][ T1051] Call Trace:
[  115.819739][ T1051]  <TASK>
[ 115.819913][ T1051] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.820319][ T1051] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.820715][ T1051] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.821149][ T1051] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.821494][ T1051] netif_set_mtu (net/core/dev.c:9652) 
[ 115.821900][ T1051] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.822325][ T1051] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.822901][ T1051] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.823152][ T1051] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.823714][ T1051] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.824195][ T1051] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 115.824575][ T1051] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 115.824934][ T1051] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 115.825368][ T1051] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 115.825824][ T1051] ? __dev_get_by_name (net/core/dev.c:865) 
[ 115.826208][ T1051] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.826606][ T1051] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 115.827074][ T1051] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.827578][ T1051] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.828132][ T1051] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 115.828505][ T1051] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.828855][ T1051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.829202][ T1051] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.829546][ T1051] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.829895][ T1051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.830227][ T1051] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.830629][ T1051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.831063][ T1051] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.831508][ T1051] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.832033][ T1051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.832624][ T1051] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.833256][ T1051] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.833839][ T1051] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.834374][ T1051] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 115.834958][ T1051] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.835521][ T1051] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.836131][ T1051] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.836729][ T1051] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.837303][ T1051] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.837903][ T1051] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.838496][ T1051] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.839100][ T1051] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.839842][ T1051] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 115.840424][ T1051] ___sys_sendmsg (net/socket.c:2670) 
[ 115.841020][ T1051] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.841589][ T1051] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 115.842183][ T1051] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 115.842769][ T1051] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 115.843353][ T1051] ? __handle_mm_fault (mm/memory.c:6212) 
[ 115.843909][ T1051] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 115.844342][ T1051] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 115.844713][ T1051] __sys_sendmsg (net/socket.c:2700) 
[ 115.845118][ T1051] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.845520][ T1051] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 115.845941][ T1051] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 115.846333][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.846703][ T1051] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.847096][ T1051] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.847573][ T1051] RIP: 0033:0x7f55e7d7f1e7
[ 115.847981][ T1051] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.849621][ T1051] RSP: 002b:00007ffef42b40e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.850107][ T1051] RAX: ffffffffffffffda RBX: 00007ffef42b4810 RCX: 00007f55e7d7f1e7
[  115.850603][ T1051] RDX: 0000000000000000 RSI: 00007ffef42b4150 RDI: 0000000000000005
[  115.851084][ T1051] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  115.851585][ T1051] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef42b4848
[  115.852077][ T1051] R13: 00000000686e6be9 R14: 0000000000499600 R15: 0000000000000000
| [  116.017023][ T1053] ------------[ cut here ]------------
| [ 116.017335][ T1053] WARNING: CPU: 3 PID: 1053 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.018031][ T1053] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.019192][ T1053] Tainted: [W]=WARN
[  116.019432][ T1053] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.019837][ T1053] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.020165][ T1053] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.021302][ T1053] RSP: 0018:ffffc90000537080 EFLAGS: 00010246
[  116.021715][ T1053] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  116.022198][ T1053] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  116.022683][ T1053] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000
[  116.023160][ T1053] R10: ffffc90000537198 R11: ffffffff96ea8918 R12: 1ffff920000a6e14
[  116.023639][ T1053] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800b40af08
[  116.024119][ T1053] FS:  00007faff1b46800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  116.024683][ T1053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.025103][ T1053] CR2: 00000000004a1738 CR3: 0000000004e0f002 CR4: 0000000000772ef0
[  116.025619][ T1053] PKRU: 55555554
[  116.025880][ T1053] Call Trace:
[  116.026120][ T1053]  <TASK>
[ 116.026284][ T1053] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.026611][ T1053] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.026943][ T1053] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.027340][ T1053] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.027665][ T1053] netif_set_mtu (net/core/dev.c:9652) 
[ 116.027985][ T1053] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.028320][ T1053] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.028773][ T1053] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.029023][ T1053] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.029478][ T1053] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.029876][ T1053] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 116.030211][ T1053] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.030531][ T1053] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.030859][ T1053] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.031172][ T1053] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.031490][ T1053] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.031813][ T1053] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.032142][ T1053] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.032459][ T1053] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.032790][ T1053] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.033121][ T1053] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.033439][ T1053] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.033787][ T1053] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.034117][ T1053] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.034450][ T1053] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.034786][ T1053] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.035118][ T1053] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.035449][ T1053] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.035776][ T1053] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.036096][ T1053] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.036414][ T1053] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.036750][ T1053] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.037068][ T1053] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.037384][ T1053] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.037710][ T1053] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.038035][ T1053] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.038369][ T1053] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.038699][ T1053] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.039020][ T1053] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.039343][ T1053] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.039669][ T1053] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.039988][ T1053] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.040383][ T1053] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.040713][ T1053] ___sys_sendmsg (net/socket.c:2670) 
[ 116.041043][ T1053] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.041369][ T1053] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.041692][ T1053] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.042029][ T1053] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.042347][ T1053] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.042667][ T1053] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.042981][ T1053] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.043318][ T1053] __sys_sendmsg (net/socket.c:2700) 
[ 116.043635][ T1053] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.043963][ T1053] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.044293][ T1053] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.044623][ T1053] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.044957][ T1053] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.045273][ T1053] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.045673][ T1053] RIP: 0033:0x7faff1d131e7
[ 116.046002][ T1053] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.047134][ T1053] RSP: 002b:00007ffe9531fcb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.047615][ T1053] RAX: ffffffffffffffda RBX: 00007ffe953203e0 RCX: 00007faff1d131e7
[  116.048096][ T1053] RDX: 0000000000000000 RSI: 00007ffe9531fd20 RDI: 0000000000000005
[  116.048582][ T1053] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.049067][ T1053] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe95320418
[  116.049551][ T1053] R13: 00000000686e6be9 R14: 0000000000499600 R15: 0000000000000000
| [  116.208551][ T1055] ------------[ cut here ]------------
| [ 116.208981][ T1055] WARNING: CPU: 2 PID: 1055 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.209660][ T1055] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.210931][ T1055] Tainted: [W]=WARN
[  116.211198][ T1055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.211621][ T1055] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.211997][ T1055] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.213221][ T1055] RSP: 0018:ffffc90000537080 EFLAGS: 00010246
[  116.213663][ T1055] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  116.214176][ T1055] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  116.214692][ T1055] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000
[  116.215208][ T1055] R10: ffffc90000537198 R11: ffffffff96ea8918 R12: 1ffff920000a6e14
[  116.215731][ T1055] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800b40af08
[  116.216249][ T1055] FS:  00007fa6a2d47800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  116.216856][ T1055] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.217288][ T1055] CR2: 00000000004a1738 CR3: 000000000cbdb005 CR4: 0000000000772ef0
[  116.217815][ T1055] PKRU: 55555554
[  116.218079][ T1055] Call Trace:
[  116.218352][ T1055]  <TASK>
[ 116.218536][ T1055] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.218901][ T1055] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.219251][ T1055] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.219685][ T1055] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.220034][ T1055] netif_set_mtu (net/core/dev.c:9652) 
[ 116.220381][ T1055] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.220749][ T1055] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.221227][ T1055] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.221515][ T1055] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.221975][ T1055] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.222390][ T1055] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 116.222743][ T1055] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.223098][ T1055] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.223444][ T1055] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.223796][ T1055] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.224140][ T1055] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.224487][ T1055] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.224846][ T1055] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.225191][ T1055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.225545][ T1055] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.225913][ T1055] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.226264][ T1055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.226618][ T1055] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.226972][ T1055] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.227318][ T1055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.227680][ T1055] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.228028][ T1055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.228383][ T1055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.228747][ T1055] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.229093][ T1055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.229440][ T1055] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.229812][ T1055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.230162][ T1055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.230515][ T1055] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.230882][ T1055] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.231242][ T1055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.231599][ T1055] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.231958][ T1055] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.232312][ T1055] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.232673][ T1055] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.233023][ T1055] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.233366][ T1055] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.233806][ T1055] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.234159][ T1055] ___sys_sendmsg (net/socket.c:2670) 
[ 116.234501][ T1055] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.234844][ T1055] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.235203][ T1055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.235545][ T1055] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.235927][ T1055] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.236260][ T1055] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.236597][ T1055] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.236954][ T1055] __sys_sendmsg (net/socket.c:2700) 
[ 116.237288][ T1055] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.237615][ T1055] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.237967][ T1055] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.238329][ T1055] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.238687][ T1055] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.239046][ T1055] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.239465][ T1055] RIP: 0033:0x7fa6a2f141e7
[ 116.239826][ T1055] Code: Unable to access opcode bytes at 0x7fa6a2f141bd.

Code starting with the faulting instruction
===========================================
[  116.240266][ T1055] RSP: 002b:00007ffe109a6ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.240786][ T1055] RAX: ffffffffffffffda RBX: 00007ffe109a75d0 RCX: 00007fa6a2f141e7
[  116.241303][ T1055] RDX: 0000000000000000 RSI: 00007ffe109a6f10 RDI: 0000000000000005
[  116.241815][ T1055] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.242325][ T1055] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe109a7608
[  116.242842][ T1055] R13: 00000000686e6be9 R14: 0000000000499600 R15: 0000000000000000
| [  116.408529][ T1057] ------------[ cut here ]------------
| [ 116.408934][ T1057] WARNING: CPU: 3 PID: 1057 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.409597][ T1057] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.410760][ T1057] Tainted: [W]=WARN
[  116.411015][ T1057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.411421][ T1057] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.411762][ T1057] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.412945][ T1057] RSP: 0018:ffffc90000687080 EFLAGS: 00010246
[  116.413351][ T1057] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  116.413861][ T1057] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  116.414337][ T1057] RBP: ffffc90000687168 R08: 0000000000000000 R09: 0000000000000000
[  116.414828][ T1057] R10: ffffc90000687198 R11: ffffffff96ea8918 R12: 1ffff920000d0e14
[  116.415308][ T1057] R13: 00000000000005dc R14: ffffc90000687198 R15: ffff88800b40af08
[  116.415804][ T1057] FS:  00007ff811e40800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  116.416372][ T1057] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.416804][ T1057] CR2: 00007ff8120545c0 CR3: 000000000ca2f003 CR4: 0000000000772ef0
[  116.417279][ T1057] PKRU: 55555554
[  116.417513][ T1057] Call Trace:
[  116.417758][ T1057]  <TASK>
[ 116.417923][ T1057] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.418258][ T1057] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.418583][ T1057] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.418990][ T1057] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.419307][ T1057] netif_set_mtu (net/core/dev.c:9652) 
[ 116.419623][ T1057] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.419964][ T1057] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.420408][ T1057] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.420654][ T1057] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.421088][ T1057] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.421453][ T1057] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 116.421779][ T1057] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.422126][ T1057] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.422465][ T1057] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.422815][ T1057] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.423132][ T1057] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.423452][ T1057] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.423782][ T1057] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.424097][ T1057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.424416][ T1057] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.424747][ T1057] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.425072][ T1057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.425399][ T1057] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.425728][ T1057] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.426060][ T1057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.426380][ T1057] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.426714][ T1057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.427035][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.427359][ T1057] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.427680][ T1057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.428001][ T1057] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.428334][ T1057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.428657][ T1057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.428987][ T1057] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.429330][ T1057] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.429658][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.429979][ T1057] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.430314][ T1057] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.430633][ T1057] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.430970][ T1057] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.431298][ T1057] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.431611][ T1057] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.432020][ T1057] ___sys_sendmsg (net/socket.c:2670) 
[ 116.432339][ T1057] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.432662][ T1057] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 116.432985][ T1057] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 116.433308][ T1057] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 116.433627][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.433958][ T1057] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.434285][ T1057] __sys_sendmsg (net/socket.c:2700) 
[ 116.434599][ T1057] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.434934][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.435254][ T1057] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.435574][ T1057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.435973][ T1057] RIP: 0033:0x7ff81200d1e7
[ 116.436305][ T1057] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.437466][ T1057] RSP: 002b:00007ffd4c313a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.437955][ T1057] RAX: ffffffffffffffda RBX: 00007ffd4c314140 RCX: 00007ff81200d1e7
[  116.438442][ T1057] RDX: 0000000000000000 RSI: 00007ffd4c313a80 RDI: 0000000000000005
[  116.438918][ T1057] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.439391][ T1057] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd4c314178
[  116.439870][ T1057] R13: 00000000686e6bea R14: 0000000000499600 R15: 0000000000000000
| [  116.592370][ T1059] ------------[ cut here ]------------
| [ 116.592788][ T1059] WARNING: CPU: 2 PID: 1059 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.593439][ T1059] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.594605][ T1059] Tainted: [W]=WARN
[  116.594870][ T1059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.595278][ T1059] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.595655][ T1059] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.596867][ T1059] RSP: 0018:ffffc90000687080 EFLAGS: 00010246
[  116.597310][ T1059] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  116.597845][ T1059] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  116.598357][ T1059] RBP: ffffc90000687168 R08: 0000000000000000 R09: 0000000000000000
[  116.598855][ T1059] R10: ffffc90000687198 R11: ffffffff96ea8918 R12: 1ffff920000d0e14
[  116.599372][ T1059] R13: 00000000000005dc R14: ffffc90000687198 R15: ffff88800b40af08
[  116.599936][ T1059] FS:  00007f132522b800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  116.600512][ T1059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.600946][ T1059] CR2: 00000000004a1738 CR3: 000000000ca6a006 CR4: 0000000000772ef0
[  116.601441][ T1059] PKRU: 55555554
[  116.601699][ T1059] Call Trace:
[  116.601956][ T1059]  <TASK>
[ 116.602138][ T1059] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.602480][ T1059] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.602824][ T1059] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.603237][ T1059] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.603580][ T1059] netif_set_mtu (net/core/dev.c:9652) 
[ 116.603971][ T1059] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.604320][ T1059] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.604791][ T1059] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.605054][ T1059] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.605504][ T1059] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.605908][ T1059] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 116.606269][ T1059] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.606627][ T1059] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.606986][ T1059] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.607320][ T1059] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.607662][ T1059] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.608001][ T1059] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.608352][ T1059] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.608690][ T1059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.609036][ T1059] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.609379][ T1059] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.609722][ T1059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.610072][ T1059] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.610400][ T1059] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.610745][ T1059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.611087][ T1059] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.611422][ T1059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.611767][ T1059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.612128][ T1059] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.612460][ T1059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.612804][ T1059] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.613146][ T1059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.613474][ T1059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.613817][ T1059] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.614152][ T1059] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.614487][ T1059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.614830][ T1059] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.615170][ T1059] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.615502][ T1059] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.615852][ T1059] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.616193][ T1059] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.616527][ T1059] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.616965][ T1059] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.617305][ T1059] ___sys_sendmsg (net/socket.c:2670) 
[ 116.617635][ T1059] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.617980][ T1059] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.618333][ T1059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.618683][ T1059] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.619028][ T1059] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.619366][ T1059] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.619705][ T1059] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.620054][ T1059] __sys_sendmsg (net/socket.c:2700) 
[ 116.620384][ T1059] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.620725][ T1059] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.621304][ T1059] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.621641][ T1059] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.621992][ T1059] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.622326][ T1059] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.622771][ T1059] RIP: 0033:0x7f13253f81e7
[ 116.623131][ T1059] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.624334][ T1059] RSP: 002b:00007ffead14d248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.624839][ T1059] RAX: ffffffffffffffda RBX: 00007ffead14d970 RCX: 00007f13253f81e7
[  116.625337][ T1059] RDX: 0000000000000000 RSI: 00007ffead14d2b0 RDI: 0000000000000005
[  116.625829][ T1059] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.626312][ T1059] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffead14d9a8
[  116.626803][ T1059] R13: 00000000686e6bea R14: 0000000000499600 R15: 0000000000000000
| [  116.776297][ T1062] ------------[ cut here ]------------
| [ 116.776622][ T1062] WARNING: CPU: 3 PID: 1062 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.777256][ T1062] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.778423][ T1062] Tainted: [W]=WARN
[  116.779092][ T1062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.779489][ T1062] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.779835][ T1062] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.780969][ T1062] RSP: 0018:ffffc90000527080 EFLAGS: 00010246
[  116.781369][ T1062] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  116.781849][ T1062] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  116.782325][ T1062] RBP: ffffc90000527168 R08: 0000000000000000 R09: 0000000000000000
[  116.782801][ T1062] R10: ffffc90000527198 R11: ffffffff96ea8918 R12: 1ffff920000a4e14
[  116.783272][ T1062] R13: 00000000000005dc R14: ffffc90000527198 R15: ffff88800b40af08
[  116.783749][ T1062] FS:  00007fcac491b800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  116.784304][ T1062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.784709][ T1062] CR2: 00007f8bd118d240 CR3: 0000000004dc4004 CR4: 0000000000772ef0
[  116.785189][ T1062] PKRU: 55555554
[  116.785427][ T1062] Call Trace:
[  116.785671][ T1062]  <TASK>
[ 116.785835][ T1062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.786157][ T1062] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.786482][ T1062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.786886][ T1062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.787209][ T1062] netif_set_mtu (net/core/dev.c:9652) 
[ 116.787529][ T1062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.787865][ T1062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.788323][ T1062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.788564][ T1062] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.789014][ T1062] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.789379][ T1062] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 116.789712][ T1062] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.790102][ T1062] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.790425][ T1062] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.790747][ T1062] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.791064][ T1062] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.791398][ T1062] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.791745][ T1062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.792059][ T1062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.792387][ T1062] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.792727][ T1062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.793052][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.793383][ T1062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.793709][ T1062] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.794059][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.794380][ T1062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.794711][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.795032][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.795354][ T1062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.795681][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.796006][ T1062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.796336][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.796665][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.796983][ T1062] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.797307][ T1062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.797622][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.797958][ T1062] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.798308][ T1062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.798632][ T1062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.798968][ T1062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.799291][ T1062] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.799608][ T1062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.800014][ T1062] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 116.800337][ T1062] ___sys_sendmsg (net/socket.c:2670) 
[ 116.800661][ T1062] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.800974][ T1062] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 116.801292][ T1062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.801607][ T1062] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 116.801942][ T1062] ? __handle_mm_fault (mm/memory.c:6212) 
[ 116.802265][ T1062] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 116.802578][ T1062] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 116.802920][ T1062] __sys_sendmsg (net/socket.c:2700) 
[ 116.803239][ T1062] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.803555][ T1062] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 116.803889][ T1062] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 116.804215][ T1062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.804557][ T1062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.804898][ T1062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.805305][ T1062] RIP: 0033:0x7fcac4ae81e7
[ 116.805653][ T1062] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.806876][ T1062] RSP: 002b:00007ffd6cc59098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.807363][ T1062] RAX: ffffffffffffffda RBX: 00007ffd6cc597c0 RCX: 00007fcac4ae81e7
[  116.807863][ T1062] RDX: 0000000000000000 RSI: 00007ffd6cc59100 RDI: 0000000000000005
[  116.808378][ T1062] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  116.808877][ T1062] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd6cc597f8
[  116.809368][ T1062] R13: 00000000686e6bea R14: 0000000000499600 R15: 0000000000000000
| [  116.982522][ T1063] ------------[ cut here ]------------
| [ 116.983851][ T1063] WARNING: CPU: 0 PID: 1063 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.984496][ T1063] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  116.985682][ T1063] Tainted: [W]=WARN
[  116.985931][ T1063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.986330][ T1063] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.986691][ T1063] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.987878][ T1063] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246
[  116.988309][ T1063] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  116.988835][ T1063] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  116.989336][ T1063] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000
[  116.989844][ T1063] R10: ffffc900006f7198 R11: ffffffff96ea8918 R12: 1ffff920000dee14
[  116.990334][ T1063] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff88800b40af08
[  116.990816][ T1063] FS:  00007ff834667800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  116.991393][ T1063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.991827][ T1063] CR2: 00007f5bc83452a8 CR3: 000000000cab1004 CR4: 0000000000772ef0
[  116.992328][ T1063] PKRU: 55555554
[  116.992574][ T1063] Call Trace:
[  116.992829][ T1063]  <TASK>
[ 116.993010][ T1063] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.993335][ T1063] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 116.993667][ T1063] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 116.994103][ T1063] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 116.994428][ T1063] netif_set_mtu (net/core/dev.c:9652) 
[ 116.994761][ T1063] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.995115][ T1063] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 116.995561][ T1063] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.995817][ T1063] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 116.996269][ T1063] br_add_if (net/bridge/br_if.c:697) bridge 
[ 116.996634][ T1063] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 116.996960][ T1063] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 116.997294][ T1063] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 116.997614][ T1063] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 116.997940][ T1063] ? __dev_get_by_name (net/core/dev.c:865) 
[ 116.998287][ T1063] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.998602][ T1063] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 116.998936][ T1063] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.999267][ T1063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 116.999589][ T1063] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 116.999933][ T1063] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.000299][ T1063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.000631][ T1063] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.000961][ T1063] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.001298][ T1063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.001616][ T1063] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.001946][ T1063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.002282][ T1063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.002606][ T1063] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.002939][ T1063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.003276][ T1063] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.003613][ T1063] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.003947][ T1063] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.004274][ T1063] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 117.004601][ T1063] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.004927][ T1063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.005248][ T1063] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.005575][ T1063] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.005905][ T1063] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.006228][ T1063] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.006584][ T1063] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.006918][ T1063] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.007317][ T1063] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.007675][ T1063] ___sys_sendmsg (net/socket.c:2670) 
[ 117.008010][ T1063] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.008339][ T1063] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.008687][ T1063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.009006][ T1063] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.009329][ T1063] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.009670][ T1063] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.009995][ T1063] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.010327][ T1063] __sys_sendmsg (net/socket.c:2700) 
[ 117.010662][ T1063] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.010989][ T1063] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.011315][ T1063] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.011657][ T1063] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.011985][ T1063] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.012310][ T1063] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.012745][ T1063] RIP: 0033:0x7ff8348341e7
[ 117.013077][ T1063] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.014230][ T1063] RSP: 002b:00007ffc6770bfa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.014736][ T1063] RAX: ffffffffffffffda RBX: 00007ffc6770c6d0 RCX: 00007ff8348341e7
[  117.015224][ T1063] RDX: 0000000000000000 RSI: 00007ffc6770c010 RDI: 0000000000000005
[  117.015732][ T1063] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.016212][ T1063] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6770c708
[  117.016709][ T1063] R13: 00000000686e6bea R14: 0000000000499600 R15: 0000000000000000
| [  117.194450][ T1065] ------------[ cut here ]------------
| [ 117.194892][ T1065] WARNING: CPU: 2 PID: 1065 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.195621][ T1065] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  117.197557][ T1065] Tainted: [W]=WARN
[  117.197996][ T1065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.198747][ T1065] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.199352][ T1065] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  117.201357][ T1065] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246
[  117.202119][ T1065] RAX: 0000000000000000 RBX: ffff88800b40a000 RCX: 0000000000000001
[  117.203000][ T1065] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  117.203870][ T1065] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000
[  117.204747][ T1065] R10: ffffc900006f7198 R11: ffffffff96ea8918 R12: 1ffff920000dee14
[  117.205622][ T1065] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff88800b40af08
[  117.206482][ T1065] FS:  00007f0716b6c800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  117.207505][ T1065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.208271][ T1065] CR2: 00000000004a1738 CR3: 000000000c117006 CR4: 0000000000772ef0
[  117.209183][ T1065] PKRU: 55555554
[  117.209662][ T1065] Call Trace:
[  117.210129][ T1065]  <TASK>
[ 117.210421][ T1065] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.211046][ T1065] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.211643][ T1065] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.212389][ T1065] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.213013][ T1065] netif_set_mtu (net/core/dev.c:9652) 
[ 117.213610][ T1065] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.214253][ T1065] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 117.215056][ T1065] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.215516][ T1065] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 117.216353][ T1065] br_add_if (net/bridge/br_if.c:697) bridge 
[ 117.217065][ T1065] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 117.217636][ T1065] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 117.218288][ T1065] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 117.218706][ T1065] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 117.219129][ T1065] ? __dev_get_by_name (net/core/dev.c:865) 
[ 117.219567][ T1065] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.219949][ T1065] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 117.220393][ T1065] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.220758][ T1065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.221123][ T1065] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 117.221548][ T1065] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.221944][ T1065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.222387][ T1065] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.222839][ T1065] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.223291][ T1065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.223640][ T1065] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.223991][ T1065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.224327][ T1065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.224693][ T1065] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.225037][ T1065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.225374][ T1065] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.225858][ T1065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.226192][ T1065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.226523][ T1065] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 117.226915][ T1065] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.227246][ T1065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.227704][ T1065] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.228095][ T1065] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.228497][ T1065] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.228889][ T1065] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.229323][ T1065] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.229688][ T1065] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.230100][ T1065] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 117.230497][ T1065] ___sys_sendmsg (net/socket.c:2670) 
[ 117.231079][ T1065] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.231424][ T1065] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 117.231782][ T1065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 117.232111][ T1065] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 117.232443][ T1065] ? __handle_mm_fault (mm/memory.c:6212) 
[ 117.232800][ T1065] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 117.233140][ T1065] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 117.233587][ T1065] __sys_sendmsg (net/socket.c:2700) 
[ 117.233963][ T1065] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.234388][ T1065] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 117.234758][ T1065] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 117.235169][ T1065] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.235512][ T1065] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.235883][ T1065] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.236377][ T1065] RIP: 0033:0x7f0716d391e7
[ 117.236746][ T1065] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.238111][ T1065] RSP: 002b:00007fff64fd5748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.238637][ T1065] RAX: ffffffffffffffda RBX: 00007fff64fd5e70 RCX: 00007f0716d391e7
[  117.239395][ T1065] RDX: 0000000000000000 RSI: 00007fff64fd57b0 RDI: 0000000000000005
[  117.239980][ T1065] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  117.240467][ T1065] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff64fd5ea8
[  117.241015][ T1065] R13: 00000000686e6bea R14: 0000000000499600 R15: 0000000000000000
| [  152.320522][ T1287] ------------[ cut here ]------------
| [ 152.321451][ T1287] WARNING: CPU: 0 PID: 1287 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  152.322085][ T1287] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  152.323232][ T1287] Tainted: [W]=WARN
[  152.323472][ T1287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 152.323877][ T1287] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 152.324206][ T1287] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  152.325335][ T1287] RSP: 0018:ffffc90000dd7080 EFLAGS: 00010246
[  152.325742][ T1287] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  152.326225][ T1287] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  152.326704][ T1287] RBP: ffffc90000dd7168 R08: 0000000000000000 R09: 0000000000000000
[  152.327179][ T1287] R10: ffffc90000dd7198 R11: ffffffff96ea8918 R12: 1ffff920001bae14
[  152.327657][ T1287] R13: 00000000000005dc R14: ffffc90000dd7198 R15: ffff88800c002f08
[  152.328132][ T1287] FS:  00007f013af9d800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  152.328702][ T1287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.329103][ T1287] CR2: 00000000004a1738 CR3: 0000000004e86004 CR4: 0000000000772ef0
[  152.329579][ T1287] PKRU: 55555554
[  152.329823][ T1287] Call Trace:
[  152.330067][ T1287]  <TASK>
[ 152.330230][ T1287] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 152.330557][ T1287] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 152.330886][ T1287] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 152.331280][ T1287] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 152.331600][ T1287] netif_set_mtu (net/core/dev.c:9652) 
[ 152.331927][ T1287] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 152.332257][ T1287] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 152.332710][ T1287] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 152.332952][ T1287] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 152.333382][ T1287] br_add_if (net/bridge/br_if.c:697) bridge 
[ 152.333757][ T1287] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 152.334074][ T1287] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 152.334399][ T1287] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 152.334729][ T1287] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 152.335046][ T1287] ? __dev_get_by_name (net/core/dev.c:865) 
[ 152.335361][ T1287] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.335684][ T1287] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.336006][ T1287] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 152.336324][ T1287] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.336644][ T1287] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 152.336984][ T1287] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 152.337304][ T1287] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.337630][ T1287] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 152.337948][ T1287] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.338275][ T1287] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.338595][ T1287] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 152.338916][ T1287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.339238][ T1287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.339560][ T1287] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 152.339884][ T1287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.340198][ T1287] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 152.340523][ T1287] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 152.340843][ T1287] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 152.341160][ T1287] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 152.341482][ T1287] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 152.341804][ T1287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.342125][ T1287] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.342441][ T1287] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 152.342761][ T1287] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 152.343092][ T1287] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.343409][ T1287] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 152.343734][ T1287] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 152.344126][ T1287] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 152.344451][ T1287] ___sys_sendmsg (net/socket.c:2670) 
[ 152.344775][ T1287] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 152.345085][ T1287] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 152.345404][ T1287] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.345724][ T1287] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 152.346049][ T1287] ? __handle_mm_fault (mm/memory.c:6212) 
[ 152.346364][ T1287] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 152.346681][ T1287] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 152.347012][ T1287] __sys_sendmsg (net/socket.c:2700) 
[ 152.347327][ T1287] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 152.347644][ T1287] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 152.347980][ T1287] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 152.348304][ T1287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.348621][ T1287] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.348948][ T1287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  152.349341][ T1287] RIP: 0033:0x7f013b16a1e7
[ 152.349679][ T1287] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  152.350799][ T1287] RSP: 002b:00007ffc67d16408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  152.351277][ T1287] RAX: ffffffffffffffda RBX: 00007ffc67d16b30 RCX: 00007f013b16a1e7
[  152.351762][ T1287] RDX: 0000000000000000 RSI: 00007ffc67d16470 RDI: 0000000000000005
[  152.352231][ T1287] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  152.352710][ T1287] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc67d16b68
[  152.353182][ T1287] R13: 00000000686e6c0e R14: 0000000000499600 R15: 0000000000000000
| [  152.524592][ T1289] ------------[ cut here ]------------
| [ 152.525504][ T1289] WARNING: CPU: 0 PID: 1289 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  152.526143][ T1289] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  152.527274][ T1289] Tainted: [W]=WARN
[  152.527514][ T1289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 152.527927][ T1289] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 152.528261][ T1289] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  152.529422][ T1289] RSP: 0018:ffffc90000ab7080 EFLAGS: 00010246
[  152.529849][ T1289] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  152.530338][ T1289] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  152.530827][ T1289] RBP: ffffc90000ab7168 R08: 0000000000000000 R09: 0000000000000000
[  152.531313][ T1289] R10: ffffc90000ab7198 R11: ffffffff96ea8918 R12: 1ffff92000156e14
[  152.531806][ T1289] R13: 00000000000005dc R14: ffffc90000ab7198 R15: ffff88800c002f08
[  152.532309][ T1289] FS:  00007f765a2e5800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  152.532905][ T1289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.533316][ T1289] CR2: 00000000004a1738 CR3: 000000000b5d4002 CR4: 0000000000772ef0
[  152.533984][ T1289] PKRU: 55555554
[  152.534227][ T1289] Call Trace:
[  152.534463][ T1289]  <TASK>
[ 152.534632][ T1289] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 152.535130][ T1289] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 152.535463][ T1289] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 152.536011][ T1289] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 152.536340][ T1289] netif_set_mtu (net/core/dev.c:9652) 
[ 152.536673][ T1289] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 152.537003][ T1289] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 152.537458][ T1289] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 152.537710][ T1289] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 152.538152][ T1289] br_add_if (net/bridge/br_if.c:697) bridge 
[ 152.538544][ T1289] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 152.538887][ T1289] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 152.539218][ T1289] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 152.539542][ T1289] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 152.539865][ T1289] ? __dev_get_by_name (net/core/dev.c:865) 
[ 152.540190][ T1289] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.540508][ T1289] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.540839][ T1289] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 152.541155][ T1289] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.541477][ T1289] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 152.541821][ T1289] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 152.542152][ T1289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.542492][ T1289] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 152.542828][ T1289] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.543152][ T1289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.543479][ T1289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 152.543808][ T1289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.544139][ T1289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.544463][ T1289] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 152.544809][ T1289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.545141][ T1289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 152.545472][ T1289] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 152.545799][ T1289] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 152.546127][ T1289] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 152.546444][ T1289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 152.546767][ T1289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.547088][ T1289] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.547421][ T1289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 152.547755][ T1289] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 152.548098][ T1289] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.548449][ T1289] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 152.548796][ T1289] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 152.549207][ T1289] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 152.549534][ T1289] ___sys_sendmsg (net/socket.c:2670) 
[ 152.549870][ T1289] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 152.550186][ T1289] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 152.550505][ T1289] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.550830][ T1289] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 152.551151][ T1289] ? __handle_mm_fault (mm/memory.c:6212) 
[ 152.551475][ T1289] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 152.551801][ T1289] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 152.552142][ T1289] __sys_sendmsg (net/socket.c:2700) 
[ 152.552460][ T1289] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 152.552791][ T1289] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 152.553153][ T1289] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 152.553485][ T1289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.553826][ T1289] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.554145][ T1289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  152.554550][ T1289] RIP: 0033:0x7f765a4b21e7
[ 152.554909][ T1289] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  152.556071][ T1289] RSP: 002b:00007ffee3f04658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  152.556559][ T1289] RAX: ffffffffffffffda RBX: 00007ffee3f04d80 RCX: 00007f765a4b21e7
[  152.557054][ T1289] RDX: 0000000000000000 RSI: 00007ffee3f046c0 RDI: 0000000000000005
[  152.557548][ T1289] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  152.558027][ T1289] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee3f04db8
[  152.558537][ T1289] R13: 00000000686e6c0e R14: 0000000000499600 R15: 0000000000000000
| [  152.730328][ T1292] ------------[ cut here ]------------
| [ 152.730723][ T1292] WARNING: CPU: 1 PID: 1292 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  152.731392][ T1292] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  152.732593][ T1292] Tainted: [W]=WARN
[  152.732860][ T1292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 152.733277][ T1292] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 152.733607][ T1292] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  152.734753][ T1292] RSP: 0018:ffffc90000e27080 EFLAGS: 00010246
[  152.735168][ T1292] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  152.735817][ T1292] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  152.736294][ T1292] RBP: ffffc90000e27168 R08: 0000000000000000 R09: 0000000000000000
[  152.736931][ T1292] R10: ffffc90000e27198 R11: ffffffff96ea8918 R12: 1ffff920001c4e14
[  152.737418][ T1292] R13: 00000000000005dc R14: ffffc90000e27198 R15: ffff88800c002f08
[  152.737910][ T1292] FS:  00007f04346a2800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  152.738503][ T1292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.738940][ T1292] CR2: 00000000004a1738 CR3: 000000000fe96006 CR4: 0000000000772ef0
[  152.739431][ T1292] PKRU: 55555554
[  152.739683][ T1292] Call Trace:
[  152.739918][ T1292]  <TASK>
[ 152.740081][ T1292] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 152.740421][ T1292] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 152.740762][ T1292] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 152.741172][ T1292] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 152.741490][ T1292] netif_set_mtu (net/core/dev.c:9652) 
[ 152.741823][ T1292] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 152.742163][ T1292] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 152.742627][ T1292] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 152.742906][ T1292] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 152.743347][ T1292] br_add_if (net/bridge/br_if.c:697) bridge 
[ 152.743736][ T1292] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 152.744074][ T1292] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 152.744406][ T1292] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 152.744760][ T1292] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 152.745086][ T1292] ? __dev_get_by_name (net/core/dev.c:865) 
[ 152.745431][ T1292] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.745784][ T1292] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.746124][ T1292] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 152.746437][ T1292] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.746789][ T1292] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 152.747130][ T1292] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 152.747464][ T1292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.747809][ T1292] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 152.748171][ T1292] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.748511][ T1292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.748844][ T1292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 152.749167][ T1292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.749491][ T1292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.749835][ T1292] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 152.750181][ T1292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.750498][ T1292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 152.750861][ T1292] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 152.751210][ T1292] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 152.751524][ T1292] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 152.751875][ T1292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 152.752186][ T1292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.752520][ T1292] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.752853][ T1292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 152.753183][ T1292] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 152.753502][ T1292] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.753834][ T1292] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 152.754160][ T1292] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 152.754565][ T1292] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 152.754909][ T1292] ___sys_sendmsg (net/socket.c:2670) 
[ 152.755250][ T1292] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 152.755603][ T1292] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 152.755966][ T1292] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.756281][ T1292] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 152.756608][ T1292] ? __handle_mm_fault (mm/memory.c:6212) 
[ 152.756939][ T1292] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 152.757254][ T1292] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 152.757603][ T1292] __sys_sendmsg (net/socket.c:2700) 
[ 152.757930][ T1292] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 152.758250][ T1292] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 152.758596][ T1292] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 152.758937][ T1292] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.759270][ T1292] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.759598][ T1292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  152.760024][ T1292] RIP: 0033:0x7f043486f1e7
[ 152.760362][ T1292] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  152.761539][ T1292] RSP: 002b:00007fffb0f8bd38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  152.762044][ T1292] RAX: ffffffffffffffda RBX: 00007fffb0f8c460 RCX: 00007f043486f1e7
[  152.762549][ T1292] RDX: 0000000000000000 RSI: 00007fffb0f8bda0 RDI: 0000000000000005
[  152.763072][ T1292] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  152.763564][ T1292] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb0f8c498
[  152.764050][ T1292] R13: 00000000686e6c0e R14: 0000000000499600 R15: 0000000000000000
| [  152.895590][ T1293] ------------[ cut here ]------------
| [ 152.895942][ T1293] WARNING: CPU: 2 PID: 1293 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  152.896611][ T1293] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  152.897810][ T1293] Tainted: [W]=WARN
[  152.898074][ T1293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 152.898494][ T1293] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 152.898867][ T1293] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  152.900056][ T1293] RSP: 0018:ffffc90000e47080 EFLAGS: 00010246
[  152.900474][ T1293] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  152.900975][ T1293] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  152.901467][ T1293] RBP: ffffc90000e47168 R08: 0000000000000000 R09: 0000000000000000
[  152.902003][ T1293] R10: ffffc90000e47198 R11: ffffffff96ea8918 R12: 1ffff920001c8e14
[  152.902491][ T1293] R13: 00000000000005dc R14: ffffc90000e47198 R15: ffff88800c002f08
[  152.902991][ T1293] FS:  00007f6f03c7e800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  152.903558][ T1293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.903979][ T1293] CR2: 00000000004a1738 CR3: 0000000008ce7006 CR4: 0000000000772ef0
[  152.904478][ T1293] PKRU: 55555554
[  152.904739][ T1293] Call Trace:
[  152.904994][ T1293]  <TASK>
[ 152.905180][ T1293] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 152.905531][ T1293] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 152.905887][ T1293] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 152.906297][ T1293] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 152.906641][ T1293] netif_set_mtu (net/core/dev.c:9652) 
[ 152.906981][ T1293] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 152.907319][ T1293] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 152.907805][ T1293] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 152.908065][ T1293] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 152.908524][ T1293] br_add_if (net/bridge/br_if.c:697) bridge 
[ 152.908916][ T1293] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 152.909479][ T1293] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 152.909836][ T1293] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 152.910178][ T1293] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 152.910760][ T1293] ? __dev_get_by_name (net/core/dev.c:865) 
[ 152.911096][ T1293] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.911427][ T1293] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.911775][ T1293] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 152.912120][ T1293] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.912922][ T1293] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 152.913268][ T1293] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 152.913611][ T1293] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.913970][ T1293] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 152.914298][ T1293] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.914636][ T1293] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.915205][ T1293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 152.915532][ T1293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.915878][ T1293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.916459][ T1293] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 152.916799][ T1293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.917361][ T1293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 152.917716][ T1293] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 152.918046][ T1293] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 152.918402][ T1293] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 152.918755][ T1293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 152.919103][ T1293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.919438][ T1293] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.919780][ T1293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 152.920112][ T1293] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 152.920449][ T1293] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.920812][ T1293] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 152.921141][ T1293] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 152.921565][ T1293] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 152.921921][ T1293] ___sys_sendmsg (net/socket.c:2670) 
[ 152.922250][ T1293] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 152.922579][ T1293] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 152.922916][ T1293] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.923253][ T1293] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 152.923585][ T1293] ? __handle_mm_fault (mm/memory.c:6212) 
[ 152.924166][ T1293] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 152.924498][ T1293] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 152.925320][ T1293] __sys_sendmsg (net/socket.c:2700) 
[ 152.925889][ T1293] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 152.926225][ T1293] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 152.926577][ T1293] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 152.926922][ T1293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.927502][ T1293] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.927854][ T1293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  152.928277][ T1293] RIP: 0033:0x7f6f03e4b1e7
[ 152.928622][ T1293] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  152.930045][ T1293] RSP: 002b:00007fffadc33448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  152.930801][ T1293] RAX: ffffffffffffffda RBX: 00007fffadc33b70 RCX: 00007f6f03e4b1e7
[  152.931285][ T1293] RDX: 0000000000000000 RSI: 00007fffadc334b0 RDI: 0000000000000005
[  152.932007][ T1293] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  152.932494][ T1293] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffadc33ba8
[  152.933001][ T1293] R13: 00000000686e6c0e R14: 0000000000499600 R15: 0000000000000000
| [  153.111816][ T1295] ------------[ cut here ]------------
| [ 153.112150][ T1295] WARNING: CPU: 2 PID: 1295 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  153.112814][ T1295] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  153.114000][ T1295] Tainted: [W]=WARN
[  153.114255][ T1295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 153.114672][ T1295] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 153.115012][ T1295] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  153.116167][ T1295] RSP: 0018:ffffc90000e27080 EFLAGS: 00010246
[  153.116581][ T1295] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  153.117075][ T1295] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  153.117567][ T1295] RBP: ffffc90000e27168 R08: 0000000000000000 R09: 0000000000000000
[  153.118074][ T1295] R10: ffffc90000e27198 R11: ffffffff96ea8918 R12: 1ffff920001c4e14
[  153.118596][ T1295] R13: 00000000000005dc R14: ffffc90000e27198 R15: ffff88800c002f08
[  153.119099][ T1295] FS:  00007f5829212800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  153.119674][ T1295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  153.120083][ T1295] CR2: 00000000004a1738 CR3: 000000000ca9c002 CR4: 0000000000772ef0
[  153.120578][ T1295] PKRU: 55555554
[  153.120840][ T1295] Call Trace:
[  153.121090][ T1295]  <TASK>
[ 153.121281][ T1295] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 153.121624][ T1295] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 153.121974][ T1295] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 153.122384][ T1295] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 153.122721][ T1295] netif_set_mtu (net/core/dev.c:9652) 
[ 153.123051][ T1295] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 153.123391][ T1295] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 153.123857][ T1295] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 153.124113][ T1295] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 153.124561][ T1295] br_add_if (net/bridge/br_if.c:697) bridge 
[ 153.124947][ T1295] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 153.125286][ T1295] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 153.125616][ T1295] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 153.125964][ T1295] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 153.126296][ T1295] ? __dev_get_by_name (net/core/dev.c:865) 
[ 153.126623][ T1295] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 153.126959][ T1295] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 153.127296][ T1295] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 153.127619][ T1295] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 153.127963][ T1295] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 153.128314][ T1295] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 153.128672][ T1295] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.129017][ T1295] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 153.129344][ T1295] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.129690][ T1295] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.130035][ T1295] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 153.130367][ T1295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.130712][ T1295] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.131054][ T1295] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 153.131387][ T1295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.131729][ T1295] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 153.132077][ T1295] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 153.132407][ T1295] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 153.132750][ T1295] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 153.133102][ T1295] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 153.133430][ T1295] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.133777][ T1295] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.134122][ T1295] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 153.134464][ T1295] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 153.134814][ T1295] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.135151][ T1295] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 153.135482][ T1295] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 153.135903][ T1295] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 153.136240][ T1295] ___sys_sendmsg (net/socket.c:2670) 
[ 153.136573][ T1295] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 153.136927][ T1295] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 153.137273][ T1295] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 153.137600][ T1295] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 153.137945][ T1295] ? __handle_mm_fault (mm/memory.c:6212) 
[ 153.138289][ T1295] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 153.138625][ T1295] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 153.138987][ T1295] __sys_sendmsg (net/socket.c:2700) 
[ 153.139326][ T1295] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 153.139664][ T1295] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 153.140007][ T1295] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 153.140338][ T1295] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.140692][ T1295] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.141027][ T1295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  153.141440][ T1295] RIP: 0033:0x7f58293df1e7
[ 153.141796][ T1295] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  153.142935][ T1295] RSP: 002b:00007ffc969501f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  153.143434][ T1295] RAX: ffffffffffffffda RBX: 00007ffc96950920 RCX: 00007f58293df1e7
[  153.143944][ T1295] RDX: 0000000000000000 RSI: 00007ffc96950260 RDI: 0000000000000005
[  153.144440][ T1295] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  153.144934][ T1295] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc96950958
[  153.145426][ T1295] R13: 00000000686e6c0e R14: 0000000000499600 R15: 0000000000000000
| [  153.309039][ T1298] ------------[ cut here ]------------
| [ 153.309379][ T1298] WARNING: CPU: 2 PID: 1298 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  153.310064][ T1298] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  153.312401][ T1298] Tainted: [W]=WARN
[  153.312670][ T1298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 153.313080][ T1298] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 153.313424][ T1298] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  153.314567][ T1298] RSP: 0018:ffffc90000e47080 EFLAGS: 00010246
[  153.314990][ T1298] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  153.315485][ T1298] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  153.315977][ T1298] RBP: ffffc90000e47168 R08: 0000000000000000 R09: 0000000000000000
[  153.316462][ T1298] R10: ffffc90000e47198 R11: ffffffff96ea8918 R12: 1ffff920001c8e14
[  153.316949][ T1298] R13: 00000000000005dc R14: ffffc90000e47198 R15: ffff88800c002f08
[  153.317437][ T1298] FS:  00007f4e71ed9800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  153.318004][ T1298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  153.318417][ T1298] CR2: 00000000004a1738 CR3: 00000000059ac005 CR4: 0000000000772ef0
[  153.318912][ T1298] PKRU: 55555554
[  153.319164][ T1298] Call Trace:
[  153.319410][ T1298]  <TASK>
[ 153.319587][ T1298] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 153.319943][ T1298] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 153.320279][ T1298] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 153.320692][ T1298] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 153.321019][ T1298] netif_set_mtu (net/core/dev.c:9652) 
[ 153.321348][ T1298] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 153.321698][ T1298] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 153.322162][ T1298] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 153.322425][ T1298] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 153.322883][ T1298] br_add_if (net/bridge/br_if.c:697) bridge 
[ 153.323260][ T1298] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 153.323590][ T1298] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 153.323936][ T1298] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 153.324274][ T1298] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 153.324604][ T1298] ? __dev_get_by_name (net/core/dev.c:865) 
[ 153.324940][ T1298] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 153.325270][ T1298] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 153.325610][ T1298] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 153.325943][ T1298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 153.326285][ T1298] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 153.326625][ T1298] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 153.326973][ T1298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.327313][ T1298] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 153.327643][ T1298] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.327985][ T1298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.328319][ T1298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 153.328654][ T1298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.328990][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.329322][ T1298] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 153.329659][ T1298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.329989][ T1298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 153.330328][ T1298] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 153.330669][ T1298] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 153.331007][ T1298] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 153.331350][ T1298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 153.331683][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.332030][ T1298] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.332369][ T1298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 153.332712][ T1298] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 153.333052][ T1298] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.333395][ T1298] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 153.333735][ T1298] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 153.334143][ T1298] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 153.334475][ T1298] ___sys_sendmsg (net/socket.c:2670) 
[ 153.334813][ T1298] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 153.335144][ T1298] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 153.335480][ T1298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 153.335819][ T1298] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 153.336154][ T1298] ? __handle_mm_fault (mm/memory.c:6212) 
[ 153.336480][ T1298] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 153.336817][ T1298] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 153.337161][ T1298] __sys_sendmsg (net/socket.c:2700) 
[ 153.337487][ T1298] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 153.337817][ T1298] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 153.338155][ T1298] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 153.338492][ T1298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.338831][ T1298] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.339157][ T1298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  153.339559][ T1298] RIP: 0033:0x7f4e720a61e7
[ 153.339920][ T1298] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  153.341072][ T1298] RSP: 002b:00007ffeeb446208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  153.341566][ T1298] RAX: ffffffffffffffda RBX: 00007ffeeb446930 RCX: 00007f4e720a61e7
[  153.342075][ T1298] RDX: 0000000000000000 RSI: 00007ffeeb446270 RDI: 0000000000000005
[  153.342566][ T1298] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  153.343062][ T1298] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeeb446968
[  153.343557][ T1298] R13: 00000000686e6c0f R14: 0000000000499600 R15: 0000000000000000
| [  153.501771][ T1300] ------------[ cut here ]------------
| [ 153.502104][ T1300] WARNING: CPU: 2 PID: 1300 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  153.502929][ T1300] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  153.504104][ T1300] Tainted: [W]=WARN
[  153.504357][ T1300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 153.504777][ T1300] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 153.505130][ T1300] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  153.506278][ T1300] RSP: 0018:ffffc90000e27080 EFLAGS: 00010246
[  153.506697][ T1300] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  153.507185][ T1300] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  153.507694][ T1300] RBP: ffffc90000e27168 R08: 0000000000000000 R09: 0000000000000000
[  153.508183][ T1300] R10: ffffc90000e27198 R11: ffffffff96ea8918 R12: 1ffff920001c4e14
[  153.508688][ T1300] R13: 00000000000005dc R14: ffffc90000e27198 R15: ffff88800c002f08
[  153.509169][ T1300] FS:  00007ff7f8b5f800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  153.509756][ T1300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  153.510182][ T1300] CR2: 00000000004a1738 CR3: 0000000005d1a002 CR4: 0000000000772ef0
[  153.510685][ T1300] PKRU: 55555554
[  153.510936][ T1300] Call Trace:
[  153.511186][ T1300]  <TASK>
[ 153.511363][ T1300] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 153.511712][ T1300] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 153.512053][ T1300] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 153.512470][ T1300] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 153.512819][ T1300] netif_set_mtu (net/core/dev.c:9652) 
[ 153.513153][ T1300] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 153.513498][ T1300] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 153.513984][ T1300] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 153.514240][ T1300] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 153.514701][ T1300] br_add_if (net/bridge/br_if.c:697) bridge 
[ 153.515080][ T1300] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 153.515425][ T1300] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 153.515770][ T1300] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 153.516102][ T1300] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 153.516434][ T1300] ? __dev_get_by_name (net/core/dev.c:865) 
[ 153.516788][ T1300] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 153.517116][ T1300] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 153.517450][ T1300] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 153.517786][ T1300] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 153.518122][ T1300] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 153.518467][ T1300] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 153.518811][ T1300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.519152][ T1300] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 153.519482][ T1300] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.519820][ T1300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.520153][ T1300] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 153.520484][ T1300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.520827][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.521161][ T1300] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 153.521492][ T1300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.521829][ T1300] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 153.522180][ T1300] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 153.522756][ T1300] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 153.523089][ T1300] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 153.523419][ T1300] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 153.523988][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.524322][ T1300] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.524890][ T1300] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 153.525224][ T1300] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 153.525559][ T1300] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.525901][ T1300] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 153.526227][ T1300] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 153.526637][ T1300] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 153.527238][ T1300] ___sys_sendmsg (net/socket.c:2670) 
[ 153.527808][ T1300] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 153.528148][ T1300] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 153.528735][ T1300] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 153.529065][ T1300] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 153.529400][ T1300] ? __handle_mm_fault (mm/memory.c:6212) 
[ 153.529974][ T1300] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 153.530302][ T1300] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 153.530671][ T1300] __sys_sendmsg (net/socket.c:2700) 
[ 153.531007][ T1300] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 153.531334][ T1300] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 153.531686][ T1300] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 153.532026][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.532365][ T1300] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.532938][ T1300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  153.533578][ T1300] RIP: 0033:0x7ff7f8d2c1e7
[ 153.534167][ T1300] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  153.535315][ T1300] RSP: 002b:00007ffdb3a90798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  153.535828][ T1300] RAX: ffffffffffffffda RBX: 00007ffdb3a90ec0 RCX: 00007ff7f8d2c1e7
[  153.536317][ T1300] RDX: 0000000000000000 RSI: 00007ffdb3a90800 RDI: 0000000000000005
[  153.536812][ T1300] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  153.537293][ T1300] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb3a90ef8
[  153.538502][ T1300] R13: 00000000686e6c0f R14: 0000000000499600 R15: 0000000000000000
| [  153.704139][ T1302] ------------[ cut here ]------------
| [ 153.704465][ T1302] WARNING: CPU: 3 PID: 1302 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  153.705162][ T1302] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  153.706366][ T1302] Tainted: [W]=WARN
[  153.706619][ T1302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 153.707057][ T1302] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 153.707406][ T1302] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  153.708623][ T1302] RSP: 0018:ffffc90000e47080 EFLAGS: 00010246
[  153.709066][ T1302] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  153.709573][ T1302] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  153.710092][ T1302] RBP: ffffc90000e47168 R08: 0000000000000000 R09: 0000000000000000
[  153.710592][ T1302] R10: ffffc90000e47198 R11: ffffffff96ea8918 R12: 1ffff920001c8e14
[  153.711100][ T1302] R13: 00000000000005dc R14: ffffc90000e47198 R15: ffff88800c002f08
[  153.711596][ T1302] FS:  00007fec506ca800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  153.712188][ T1302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  153.712613][ T1302] CR2: 00007f8bd10e7a00 CR3: 000000000c8d6004 CR4: 0000000000772ef0
[  153.713110][ T1302] PKRU: 55555554
[  153.713365][ T1302] Call Trace:
[  153.713610][ T1302]  <TASK>
[ 153.713791][ T1302] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 153.714120][ T1302] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 153.714458][ T1302] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 153.714872][ T1302] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 153.715191][ T1302] netif_set_mtu (net/core/dev.c:9652) 
[ 153.715527][ T1302] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 153.715919][ T1302] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 153.716397][ T1302] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 153.716641][ T1302] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 153.717107][ T1302] br_add_if (net/bridge/br_if.c:697) bridge 
[ 153.717471][ T1302] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 153.717803][ T1302] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 153.718132][ T1302] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 153.718479][ T1302] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 153.718816][ T1302] ? __dev_get_by_name (net/core/dev.c:865) 
[ 153.719158][ T1302] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 153.719476][ T1302] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 153.719807][ T1302] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 153.720120][ T1302] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 153.720441][ T1302] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 153.720776][ T1302] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 153.721100][ T1302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.721435][ T1302] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 153.721782][ T1302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.722103][ T1302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.722419][ T1302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 153.722749][ T1302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.723071][ T1302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.723402][ T1302] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 153.723741][ T1302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.724065][ T1302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 153.724406][ T1302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 153.724764][ T1302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 153.725107][ T1302] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 153.725439][ T1302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 153.725767][ T1302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.726113][ T1302] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.726461][ T1302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 153.726795][ T1302] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 153.727124][ T1302] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.727453][ T1302] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 153.727786][ T1302] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 153.728181][ T1302] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 153.728526][ T1302] ___sys_sendmsg (net/socket.c:2670) 
[ 153.728862][ T1302] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 153.729178][ T1302] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 153.729513][ T1302] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 153.729843][ T1302] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 153.730167][ T1302] ? __handle_mm_fault (mm/memory.c:6212) 
[ 153.730516][ T1302] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 153.730856][ T1302] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 153.731199][ T1302] __sys_sendmsg (net/socket.c:2700) 
[ 153.731516][ T1302] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 153.731840][ T1302] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 153.732167][ T1302] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 153.732485][ T1302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.732835][ T1302] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.733162][ T1302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  153.733558][ T1302] RIP: 0033:0x7fec508971e7
[ 153.733894][ T1302] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  153.735032][ T1302] RSP: 002b:00007fff31116b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  153.735530][ T1302] RAX: ffffffffffffffda RBX: 00007fff31117290 RCX: 00007fec508971e7
[  153.736017][ T1302] RDX: 0000000000000000 RSI: 00007fff31116bd0 RDI: 0000000000000005
[  153.736492][ T1302] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  153.736976][ T1302] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff311172c8
[  153.737457][ T1302] R13: 00000000686e6c0f R14: 0000000000499600 R15: 0000000000000000
| [  153.887768][ T1305] ------------[ cut here ]------------
| [ 153.888105][ T1305] WARNING: CPU: 2 PID: 1305 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  153.888807][ T1305] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  153.890012][ T1305] Tainted: [W]=WARN
[  153.890267][ T1305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 153.890690][ T1305] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 153.891031][ T1305] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  153.892178][ T1305] RSP: 0018:ffffc90000e27080 EFLAGS: 00010246
[  153.892593][ T1305] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  153.893091][ T1305] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  153.893580][ T1305] RBP: ffffc90000e27168 R08: 0000000000000000 R09: 0000000000000000
[  153.894088][ T1305] R10: ffffc90000e27198 R11: ffffffff96ea8918 R12: 1ffff920001c4e14
[  153.894572][ T1305] R13: 00000000000005dc R14: ffffc90000e27198 R15: ffff88800c002f08
[  153.895069][ T1305] FS:  00007fa59be11800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  153.895636][ T1305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  153.896056][ T1305] CR2: 00007f8bd11d6840 CR3: 000000000a6b5006 CR4: 0000000000772ef0
[  153.896541][ T1305] PKRU: 55555554
[  153.896809][ T1305] Call Trace:
[  153.897062][ T1305]  <TASK>
[ 153.897238][ T1305] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 153.897575][ T1305] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 153.897921][ T1305] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 153.898348][ T1305] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 153.898688][ T1305] netif_set_mtu (net/core/dev.c:9652) 
[ 153.899025][ T1305] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 153.899365][ T1305] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 153.899836][ T1305] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 153.900094][ T1305] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 153.900539][ T1305] br_add_if (net/bridge/br_if.c:697) bridge 
[ 153.900923][ T1305] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 153.901260][ T1305] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 153.901600][ T1305] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 153.901956][ T1305] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 153.902286][ T1305] ? __dev_get_by_name (net/core/dev.c:865) 
[ 153.902616][ T1305] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 153.902981][ T1305] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 153.903320][ T1305] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 153.903644][ T1305] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 153.903994][ T1305] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 153.904337][ T1305] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 153.904703][ T1305] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.905053][ T1305] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 153.905407][ T1305] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.905749][ T1305] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.906079][ T1305] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 153.906409][ T1305] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.906752][ T1305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.907088][ T1305] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 153.907426][ T1305] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.907767][ T1305] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 153.908118][ T1305] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 153.908458][ T1305] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 153.908799][ T1305] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 153.909131][ T1305] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 153.909465][ T1305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.909820][ T1305] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.910160][ T1305] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 153.910488][ T1305] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 153.910839][ T1305] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.911171][ T1305] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 153.911500][ T1305] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 153.911916][ T1305] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 153.912257][ T1305] ___sys_sendmsg (net/socket.c:2670) 
[ 153.912589][ T1305] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 153.912926][ T1305] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 153.913263][ T1305] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 153.913589][ T1305] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 153.913937][ T1305] ? __handle_mm_fault (mm/memory.c:6212) 
[ 153.914267][ T1305] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 153.914595][ T1305] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 153.914947][ T1305] __sys_sendmsg (net/socket.c:2700) 
[ 153.915275][ T1305] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 153.915602][ T1305] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 153.915948][ T1305] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 153.916282][ T1305] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.916614][ T1305] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.916953][ T1305] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  153.917358][ T1305] RIP: 0033:0x7fa59bfde1e7
[ 153.917700][ T1305] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  153.919104][ T1305] RSP: 002b:00007ffca378edf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  153.919833][ T1305] RAX: ffffffffffffffda RBX: 00007ffca378f520 RCX: 00007fa59bfde1e7
[  153.920317][ T1305] RDX: 0000000000000000 RSI: 00007ffca378ee60 RDI: 0000000000000005
[  153.920819][ T1305] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  153.921542][ T1305] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca378f558
[  153.922038][ T1305] R13: 00000000686e6c0f R14: 0000000000499600 R15: 0000000000000000
| [  154.052922][ T1306] ------------[ cut here ]------------
| [ 154.053261][ T1306] WARNING: CPU: 2 PID: 1306 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  154.053916][ T1306] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  154.055081][ T1306] Tainted: [W]=WARN
[  154.055340][ T1306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 154.055771][ T1306] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 154.056111][ T1306] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  154.057262][ T1306] RSP: 0018:ffffc90000e87080 EFLAGS: 00010246
[  154.057686][ T1306] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  154.058184][ T1306] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  154.058697][ T1306] RBP: ffffc90000e87168 R08: 0000000000000000 R09: 0000000000000000
[  154.059188][ T1306] R10: ffffc90000e87198 R11: ffffffff96ea8918 R12: 1ffff920001d0e14
[  154.059683][ T1306] R13: 00000000000005dc R14: ffffc90000e87198 R15: ffff88800c002f08
[  154.060171][ T1306] FS:  00007f738e9f1800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  154.060767][ T1306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  154.061180][ T1306] CR2: 00000000004a1738 CR3: 0000000014787005 CR4: 0000000000772ef0
[  154.061677][ T1306] PKRU: 55555554
[  154.061926][ T1306] Call Trace:
[  154.062178][ T1306]  <TASK>
[ 154.062356][ T1306] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 154.062708][ T1306] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 154.063042][ T1306] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 154.063458][ T1306] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 154.063811][ T1306] netif_set_mtu (net/core/dev.c:9652) 
[ 154.064145][ T1306] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 154.064488][ T1306] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 154.064957][ T1306] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 154.065215][ T1306] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 154.065674][ T1306] br_add_if (net/bridge/br_if.c:697) bridge 
[ 154.066058][ T1306] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 154.066402][ T1306] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 154.066745][ T1306] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 154.067079][ T1306] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 154.067403][ T1306] ? __dev_get_by_name (net/core/dev.c:865) 
[ 154.067739][ T1306] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 154.068071][ T1306] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 154.068416][ T1306] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 154.068752][ T1306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 154.069088][ T1306] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 154.069430][ T1306] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 154.069769][ T1306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.070109][ T1306] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 154.070440][ T1306] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 154.070780][ T1306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.071105][ T1306] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 154.071434][ T1306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.071774][ T1306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.072109][ T1306] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 154.072439][ T1306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.072786][ T1306] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 154.073132][ T1306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 154.073461][ T1306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 154.073798][ T1306] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 154.074135][ T1306] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 154.074460][ T1306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.074803][ T1306] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 154.075141][ T1306] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 154.075474][ T1306] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 154.075828][ T1306] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 154.076163][ T1306] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 154.076488][ T1306] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 154.076912][ T1306] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 154.077247][ T1306] ___sys_sendmsg (net/socket.c:2670) 
[ 154.077575][ T1306] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 154.077916][ T1306] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 154.078244][ T1306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 154.078597][ T1306] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 154.078949][ T1306] ? __handle_mm_fault (mm/memory.c:6212) 
[ 154.079278][ T1306] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 154.079608][ T1306] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 154.079965][ T1306] __sys_sendmsg (net/socket.c:2700) 
[ 154.080292][ T1306] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 154.080626][ T1306] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 154.080975][ T1306] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 154.081312][ T1306] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.081642][ T1306] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 154.081990][ T1306] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  154.082396][ T1306] RIP: 0033:0x7f738ebbe1e7
[ 154.082757][ T1306] Code: Unable to access opcode bytes at 0x7f738ebbe1bd.

Code starting with the faulting instruction
===========================================
[  154.083183][ T1306] RSP: 002b:00007ffcac48be08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  154.083689][ T1306] RAX: ffffffffffffffda RBX: 00007ffcac48c530 RCX: 00007f738ebbe1e7
[  154.084174][ T1306] RDX: 0000000000000000 RSI: 00007ffcac48be70 RDI: 0000000000000005
[  154.084669][ T1306] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  154.085158][ T1306] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcac48c568
[  154.085660][ T1306] R13: 00000000686e6c0f R14: 0000000000499600 R15: 0000000000000000
| [  154.244877][ T1308] ------------[ cut here ]------------
| [ 154.245210][ T1308] WARNING: CPU: 2 PID: 1308 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  154.245904][ T1308] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  154.247082][ T1308] Tainted: [W]=WARN
[  154.247336][ T1308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 154.247759][ T1308] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 154.248109][ T1308] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  154.249276][ T1308] RSP: 0018:ffffc90000e27080 EFLAGS: 00010246
[  154.249706][ T1308] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  154.250210][ T1308] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  154.250708][ T1308] RBP: ffffc90000e27168 R08: 0000000000000000 R09: 0000000000000000
[  154.251209][ T1308] R10: ffffc90000e27198 R11: ffffffff96ea8918 R12: 1ffff920001c4e14
[  154.251724][ T1308] R13: 00000000000005dc R14: ffffc90000e27198 R15: ffff88800c002f08
[  154.252229][ T1308] FS:  00007fae80ec5800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  154.252813][ T1308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  154.253225][ T1308] CR2: 00000000004a1738 CR3: 0000000014209003 CR4: 0000000000772ef0
[  154.253721][ T1308] PKRU: 55555554
[  154.253974][ T1308] Call Trace:
[  154.254225][ T1308]  <TASK>
[ 154.254418][ T1308] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 154.254767][ T1308] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 154.255101][ T1308] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 154.255507][ T1308] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 154.255854][ T1308] netif_set_mtu (net/core/dev.c:9652) 
[ 154.256186][ T1308] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 154.256537][ T1308] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 154.257010][ T1308] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 154.257274][ T1308] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 154.257738][ T1308] br_add_if (net/bridge/br_if.c:697) bridge 
[ 154.258123][ T1308] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 154.258474][ T1308] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 154.258823][ T1308] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 154.259156][ T1308] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 154.259487][ T1308] ? __dev_get_by_name (net/core/dev.c:865) 
[ 154.259842][ T1308] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 154.260177][ T1308] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 154.260521][ T1308] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 154.260862][ T1308] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 154.261202][ T1308] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 154.261542][ T1308] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 154.261919][ T1308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.262277][ T1308] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 154.262607][ T1308] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 154.262948][ T1308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.263287][ T1308] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 154.263627][ T1308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.263977][ T1308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.264320][ T1308] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 154.264664][ T1308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.265014][ T1308] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 154.265357][ T1308] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 154.265693][ T1308] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 154.266040][ T1308] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 154.266379][ T1308] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 154.266720][ T1308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.267068][ T1308] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 154.267407][ T1308] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 154.267752][ T1308] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 154.268097][ T1308] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 154.268445][ T1308] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 154.268787][ T1308] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 154.269201][ T1308] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 154.269547][ T1308] ___sys_sendmsg (net/socket.c:2670) 
[ 154.269895][ T1308] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 154.270230][ T1308] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 154.270565][ T1308] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 154.270906][ T1308] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 154.271253][ T1308] ? __handle_mm_fault (mm/memory.c:6212) 
[ 154.271583][ T1308] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 154.271918][ T1308] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 154.272262][ T1308] __sys_sendmsg (net/socket.c:2700) 
[ 154.272593][ T1308] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 154.272931][ T1308] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 154.273272][ T1308] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 154.273603][ T1308] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.273948][ T1308] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 154.274283][ T1308] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  154.274709][ T1308] RIP: 0033:0x7fae810921e7
[ 154.275059][ T1308] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  154.276207][ T1308] RSP: 002b:00007ffccb5c8a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  154.276707][ T1308] RAX: ffffffffffffffda RBX: 00007ffccb5c9170 RCX: 00007fae810921e7
[  154.277196][ T1308] RDX: 0000000000000000 RSI: 00007ffccb5c8ab0 RDI: 0000000000000005
[  154.277704][ T1308] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  154.278198][ T1308] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffccb5c91a8
[  154.278705][ T1308] R13: 00000000686e6c10 R14: 0000000000499600 R15: 0000000000000000
| [  154.455867][ T1311] ------------[ cut here ]------------
| [ 154.456202][ T1311] WARNING: CPU: 0 PID: 1311 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  154.456868][ T1311] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  154.458079][ T1311] Tainted: [W]=WARN
[  154.458341][ T1311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 154.458767][ T1311] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 154.459118][ T1311] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  154.460274][ T1311] RSP: 0000:ffffc90000ea7080 EFLAGS: 00010246
[  154.460681][ T1311] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  154.461217][ T1311] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  154.461725][ T1311] RBP: ffffc90000ea7168 R08: 0000000000000000 R09: 0000000000000000
[  154.462242][ T1311] R10: ffffc90000ea7198 R11: ffffffff96ea8918 R12: 1ffff920001d4e14
[  154.462750][ T1311] R13: 00000000000005dc R14: ffffc90000ea7198 R15: ffff88800c002f08
[  154.463268][ T1311] FS:  00007fe80d37c800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  154.463866][ T1311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  154.464269][ T1311] CR2: 00007f8bd11a6b30 CR3: 0000000004da7002 CR4: 0000000000772ef0
[  154.464776][ T1311] PKRU: 55555554
[  154.465024][ T1311] Call Trace:
[  154.465260][ T1311]  <TASK>
[ 154.465433][ T1311] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 154.465779][ T1311] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 154.466119][ T1311] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 154.466531][ T1311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 154.466884][ T1311] netif_set_mtu (net/core/dev.c:9652) 
[ 154.467234][ T1311] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 154.467571][ T1311] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 154.468038][ T1311] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 154.468309][ T1311] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 154.468766][ T1311] br_add_if (net/bridge/br_if.c:697) bridge 
[ 154.469151][ T1311] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 154.469477][ T1311] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 154.469822][ T1311] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 154.470156][ T1311] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 154.470470][ T1311] ? __dev_get_by_name (net/core/dev.c:865) 
[ 154.470807][ T1311] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 154.471122][ T1311] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 154.471446][ T1311] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 154.471805][ T1311] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 154.472145][ T1311] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 154.472487][ T1311] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 154.472838][ T1311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.473170][ T1311] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 154.473496][ T1311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 154.473847][ T1311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.474175][ T1311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 154.474504][ T1311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.474846][ T1311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.475180][ T1311] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 154.475500][ T1311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.475847][ T1311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 154.476191][ T1311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 154.476540][ T1311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 154.476914][ T1311] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 154.477257][ T1311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 154.477612][ T1311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.477954][ T1311] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 154.478296][ T1311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 154.478617][ T1311] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 154.478962][ T1311] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 154.479294][ T1311] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 154.479615][ T1311] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 154.480046][ T1311] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 154.480393][ T1311] ___sys_sendmsg (net/socket.c:2670) 
[ 154.480736][ T1311] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 154.481061][ T1311] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 154.481394][ T1311] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 154.481738][ T1311] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 154.482066][ T1311] ? __handle_mm_fault (mm/memory.c:6212) 
[ 154.482382][ T1311] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 154.482721][ T1311] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 154.483074][ T1311] __sys_sendmsg (net/socket.c:2700) 
[ 154.483399][ T1311] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 154.483735][ T1311] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 154.484066][ T1311] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 154.484396][ T1311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.484729][ T1311] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 154.485050][ T1311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  154.485487][ T1311] RIP: 0033:0x7fe80d5491e7
[ 154.485827][ T1311] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  154.487015][ T1311] RSP: 002b:00007ffd683923a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  154.487543][ T1311] RAX: ffffffffffffffda RBX: 00007ffd68392ad0 RCX: 00007fe80d5491e7
[  154.488065][ T1311] RDX: 0000000000000000 RSI: 00007ffd68392410 RDI: 0000000000000005
[  154.488582][ T1311] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  154.489072][ T1311] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd68392b08
[  154.489548][ T1311] R13: 00000000686e6c10 R14: 0000000000499600 R15: 0000000000000000
| [  154.675366][ T1312] ------------[ cut here ]------------
| [ 154.675730][ T1312] WARNING: CPU: 3 PID: 1312 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  154.676367][ T1312] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  154.677515][ T1312] Tainted: [W]=WARN
[  154.677764][ T1312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 154.678173][ T1312] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 154.678519][ T1312] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  154.679658][ T1312] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  154.680087][ T1312] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  154.680632][ T1312] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  154.681146][ T1312] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  154.681688][ T1312] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  154.682181][ T1312] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  154.682663][ T1312] FS:  00007f1b34282800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  154.683449][ T1312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  154.684139][ T1312] CR2: 00000000004a1738 CR3: 000000000b806005 CR4: 0000000000772ef0
[  154.684992][ T1312] PKRU: 55555554
[  154.685410][ T1312] Call Trace:
[  154.685848][ T1312]  <TASK>
[ 154.686145][ T1312] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 154.686744][ T1312] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 154.687306][ T1312] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 154.688007][ T1312] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 154.688586][ T1312] netif_set_mtu (net/core/dev.c:9652) 
[ 154.689141][ T1312] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 154.689717][ T1312] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 154.690480][ T1312] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 154.690927][ T1312] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 154.691672][ T1312] br_add_if (net/bridge/br_if.c:697) bridge 
[ 154.692308][ T1312] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 154.692879][ T1312] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 154.693430][ T1312] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 154.694004][ T1312] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 154.694541][ T1312] ? __dev_get_by_name (net/core/dev.c:865) 
[ 154.695115][ T1312] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 154.695678][ T1312] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 154.696230][ T1312] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 154.696797][ T1312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 154.697361][ T1312] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 154.697938][ T1312] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 154.698501][ T1312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.699088][ T1312] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 154.699639][ T1312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 154.700216][ T1312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.700796][ T1312] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 154.701365][ T1312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.701935][ T1312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.702519][ T1312] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 154.703096][ T1312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.703643][ T1312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 154.704225][ T1312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 154.704792][ T1312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 154.705350][ T1312] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 154.705952][ T1312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 154.706514][ T1312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.707120][ T1312] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 154.707724][ T1312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 154.708293][ T1312] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 154.708904][ T1312] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 154.709461][ T1312] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 154.710043][ T1312] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 154.710778][ T1312] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 154.711336][ T1312] ___sys_sendmsg (net/socket.c:2670) 
[ 154.711947][ T1312] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 154.712535][ T1312] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 154.713137][ T1312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 154.713736][ T1312] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 154.714326][ T1312] ? __handle_mm_fault (mm/memory.c:6212) 
[ 154.714926][ T1312] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 154.715512][ T1312] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 154.716136][ T1312] __sys_sendmsg (net/socket.c:2700) 
[ 154.716733][ T1312] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 154.717287][ T1312] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 154.717885][ T1312] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 154.718478][ T1312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.719075][ T1312] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 154.719677][ T1312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  154.720376][ T1312] RIP: 0033:0x7f1b3444f1e7
[ 154.720996][ T1312] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  154.723008][ T1312] RSP: 002b:00007fff399ee508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  154.723885][ T1312] RAX: ffffffffffffffda RBX: 00007fff399eec30 RCX: 00007f1b3444f1e7
[  154.724754][ T1312] RDX: 0000000000000000 RSI: 00007fff399ee570 RDI: 0000000000000005
[  154.725604][ T1312] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  154.726469][ T1312] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff399eec68
[  154.727332][ T1312] R13: 00000000686e6c10 R14: 0000000000499600 R15: 0000000000000000
| [  154.898052][ T1314] ------------[ cut here ]------------
| [ 154.898444][ T1314] WARNING: CPU: 2 PID: 1314 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  154.900026][ T1314] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  154.901310][ T1314] Tainted: [W]=WARN
[  154.901594][ T1314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 154.902071][ T1314] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 154.902453][ T1314] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  154.903679][ T1314] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  154.904119][ T1314] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  154.904669][ T1314] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  154.905180][ T1314] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  154.905714][ T1314] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  154.906225][ T1314] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  154.906750][ T1314] FS:  00007f2f48ee7800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  154.907348][ T1314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  154.907784][ T1314] CR2: 00000000004a1738 CR3: 0000000008a99004 CR4: 0000000000772ef0
[  154.908325][ T1314] PKRU: 55555554
[  154.908590][ T1314] Call Trace:
[  154.908861][ T1314]  <TASK>
[ 154.909058][ T1314] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 154.909412][ T1314] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 154.909785][ T1314] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 154.910217][ T1314] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 154.910570][ T1314] netif_set_mtu (net/core/dev.c:9652) 
[ 154.910936][ T1314] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 154.911281][ T1314] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 154.911780][ T1314] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 154.912073][ T1314] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 154.912574][ T1314] br_add_if (net/bridge/br_if.c:697) bridge 
[ 154.912988][ T1314] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 154.913341][ T1314] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 154.913700][ T1314] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 154.914060][ T1314] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 154.914404][ T1314] ? __dev_get_by_name (net/core/dev.c:865) 
[ 154.914767][ T1314] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 154.915107][ T1314] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 154.915469][ T1314] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 154.915824][ T1314] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 154.916185][ T1314] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 154.916540][ T1314] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 154.916924][ T1314] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.917293][ T1314] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 154.917665][ T1314] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 154.918028][ T1314] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.918404][ T1314] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 154.918768][ T1314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.919119][ T1314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.919485][ T1314] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 154.919842][ T1314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.920205][ T1314] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 154.920571][ T1314] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 154.920924][ T1314] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 154.921275][ T1314] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 154.921656][ T1314] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 154.922028][ T1314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.922403][ T1314] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 154.922770][ T1314] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 154.923118][ T1314] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 154.923473][ T1314] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 154.923831][ T1314] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 154.924161][ T1314] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 154.924580][ T1314] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 154.924952][ T1314] ___sys_sendmsg (net/socket.c:2670) 
[ 154.925301][ T1314] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 154.925656][ T1314] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 154.926022][ T1314] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 154.926349][ T1314] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 154.926724][ T1314] ? __handle_mm_fault (mm/memory.c:6212) 
[ 154.927068][ T1314] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 154.927396][ T1314] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 154.927769][ T1314] __sys_sendmsg (net/socket.c:2700) 
[ 154.928129][ T1314] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 154.928481][ T1314] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 154.928856][ T1314] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 154.929211][ T1314] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.929563][ T1314] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 154.929921][ T1314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  154.930362][ T1314] RIP: 0033:0x7f2f490b41e7
[ 154.930740][ T1314] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  154.931921][ T1314] RSP: 002b:00007ffd2065afd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  154.932413][ T1314] RAX: ffffffffffffffda RBX: 00007ffd2065b700 RCX: 00007f2f490b41e7
[  154.932912][ T1314] RDX: 0000000000000000 RSI: 00007ffd2065b040 RDI: 0000000000000005
[  154.933433][ T1314] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  154.933957][ T1314] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd2065b738
[  154.934457][ T1314] R13: 00000000686e6c10 R14: 0000000000499600 R15: 0000000000000000
| [  155.104866][ T1317] ------------[ cut here ]------------
| [ 155.105212][ T1317] WARNING: CPU: 2 PID: 1317 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  155.105932][ T1317] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  155.107159][ T1317] Tainted: [W]=WARN
[  155.107420][ T1317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 155.107854][ T1317] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 155.108214][ T1317] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  155.109433][ T1317] RSP: 0018:ffffc90000e87080 EFLAGS: 00010246
[  155.109874][ T1317] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  155.110384][ T1317] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  155.110928][ T1317] RBP: ffffc90000e87168 R08: 0000000000000000 R09: 0000000000000000
[  155.111449][ T1317] R10: ffffc90000e87198 R11: ffffffff96ea8918 R12: 1ffff920001d0e14
[  155.111982][ T1317] R13: 00000000000005dc R14: ffffc90000e87198 R15: ffff88800c002f08
[  155.112485][ T1317] FS:  00007fce09552800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  155.113104][ T1317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  155.113581][ T1317] CR2: 00000000004a1738 CR3: 000000000b8cb006 CR4: 0000000000772ef0
[  155.114133][ T1317] PKRU: 55555554
[  155.114416][ T1317] Call Trace:
[  155.114711][ T1317]  <TASK>
[ 155.114907][ T1317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 155.115291][ T1317] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 155.115674][ T1317] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 155.116099][ T1317] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 155.116447][ T1317] netif_set_mtu (net/core/dev.c:9652) 
[ 155.116803][ T1317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 155.117156][ T1317] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 155.117660][ T1317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 155.117940][ T1317] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 155.118426][ T1317] br_add_if (net/bridge/br_if.c:697) bridge 
[ 155.118839][ T1317] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 155.119189][ T1317] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 155.119535][ T1317] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 155.119890][ T1317] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 155.120255][ T1317] ? __dev_get_by_name (net/core/dev.c:865) 
[ 155.120600][ T1317] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 155.120955][ T1317] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 155.121306][ T1317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 155.121658][ T1317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 155.122029][ T1317] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 155.122399][ T1317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 155.122765][ T1317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.123131][ T1317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 155.123474][ T1317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.123846][ T1317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.124203][ T1317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 155.124565][ T1317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.124921][ T1317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.125271][ T1317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 155.125623][ T1317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.125998][ T1317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 155.126392][ T1317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 155.126749][ T1317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 155.127116][ T1317] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 155.127468][ T1317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 155.127823][ T1317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.128193][ T1317] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.128591][ T1317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 155.128956][ T1317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 155.129328][ T1317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.129689][ T1317] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 155.130033][ T1317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 155.130491][ T1317] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 155.130869][ T1317] ___sys_sendmsg (net/socket.c:2670) 
[ 155.131225][ T1317] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 155.131591][ T1317] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 155.131997][ T1317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 155.132361][ T1317] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 155.132724][ T1317] ? __handle_mm_fault (mm/memory.c:6212) 
[ 155.133073][ T1317] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 155.133418][ T1317] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 155.133791][ T1317] __sys_sendmsg (net/socket.c:2700) 
[ 155.134154][ T1317] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 155.134499][ T1317] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 155.134880][ T1317] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 155.135242][ T1317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.135585][ T1317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.135966][ T1317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  155.136414][ T1317] RIP: 0033:0x7fce0971f1e7
[ 155.136783][ T1317] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  155.137987][ T1317] RSP: 002b:00007ffde3b5bec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  155.138524][ T1317] RAX: ffffffffffffffda RBX: 00007ffde3b5c5f0 RCX: 00007fce0971f1e7
[  155.139040][ T1317] RDX: 0000000000000000 RSI: 00007ffde3b5bf30 RDI: 0000000000000005
[  155.139552][ T1317] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  155.140068][ T1317] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde3b5c628
[  155.140626][ T1317] R13: 00000000686e6c10 R14: 0000000000499600 R15: 0000000000000000
| [  155.313576][ T1318] ------------[ cut here ]------------
| [ 155.313943][ T1318] WARNING: CPU: 0 PID: 1318 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  155.314584][ T1318] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  155.315747][ T1318] Tainted: [W]=WARN
[  155.315990][ T1318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 155.316384][ T1318] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 155.316717][ T1318] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  155.317846][ T1318] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  155.318285][ T1318] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  155.318783][ T1318] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  155.319266][ T1318] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  155.319749][ T1318] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  155.320254][ T1318] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  155.320757][ T1318] FS:  00007fdc0cb35800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  155.321353][ T1318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  155.321779][ T1318] CR2: 00007f8bd10e7a00 CR3: 0000000005d2f004 CR4: 0000000000772ef0
[  155.322279][ T1318] PKRU: 55555554
[  155.322529][ T1318] Call Trace:
[  155.322788][ T1318]  <TASK>
[ 155.322969][ T1318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 155.323307][ T1318] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 155.323656][ T1318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 155.324072][ T1318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 155.324405][ T1318] netif_set_mtu (net/core/dev.c:9652) 
[ 155.324753][ T1318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 155.325096][ T1318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 155.325566][ T1318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 155.325828][ T1318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 155.326280][ T1318] br_add_if (net/bridge/br_if.c:697) bridge 
[ 155.326642][ T1318] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 155.326968][ T1318] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 155.327290][ T1318] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 155.327618][ T1318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 155.327947][ T1318] ? __dev_get_by_name (net/core/dev.c:865) 
[ 155.328272][ T1318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 155.328596][ T1318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 155.328925][ T1318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 155.329241][ T1318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 155.329567][ T1318] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 155.329906][ T1318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 155.330232][ T1318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.330561][ T1318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 155.330880][ T1318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.331202][ T1318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.331517][ T1318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 155.332040][ T1318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.332687][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.333292][ T1318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 155.333813][ T1318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.334153][ T1318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 155.334485][ T1318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 155.334809][ T1318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 155.335124][ T1318] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 155.335442][ T1318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 155.335762][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.336089][ T1318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.336409][ T1318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 155.336736][ T1318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 155.337061][ T1318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.337383][ T1318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 155.337706][ T1318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 155.338113][ T1318] ___sys_sendmsg (net/socket.c:2670) 
[ 155.338439][ T1318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 155.338761][ T1318] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 155.339079][ T1318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 155.339399][ T1318] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 155.339729][ T1318] ? __handle_mm_fault (mm/memory.c:6212) 
[ 155.340043][ T1318] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 155.340362][ T1318] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 155.340700][ T1318] __sys_sendmsg (net/socket.c:2700) 
[ 155.341015][ T1318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 155.341326][ T1318] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 155.341661][ T1318] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 155.341979][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.342303][ T1318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.342627][ T1318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  155.343051][ T1318] RIP: 0033:0x7fdc0cd021e7
[ 155.343378][ T1318] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  155.344540][ T1318] RSP: 002b:00007ffc61d2e718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  155.345047][ T1318] RAX: ffffffffffffffda RBX: 00007ffc61d2ee40 RCX: 00007fdc0cd021e7
[  155.345552][ T1318] RDX: 0000000000000000 RSI: 00007ffc61d2e780 RDI: 0000000000000005
[  155.346049][ T1318] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  155.346542][ T1318] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc61d2ee78
[  155.347044][ T1318] R13: 00000000686e6c11 R14: 0000000000499600 R15: 0000000000000000
| [  155.544623][ T1321] ------------[ cut here ]------------
| [ 155.545062][ T1321] WARNING: CPU: 1 PID: 1321 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  155.545727][ T1321] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  155.547079][ T1321] Tainted: [W]=WARN
[  155.547325][ T1321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 155.547875][ T1321] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 155.548207][ T1321] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  155.549523][ T1321] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  155.550074][ T1321] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  155.550545][ T1321] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  155.551164][ T1321] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  155.551800][ T1321] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  155.552271][ T1321] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  155.552899][ T1321] FS:  00007f70a0122800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  155.553474][ T1321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  155.554043][ T1321] CR2: 00000000004a1738 CR3: 000000000b87d001 CR4: 0000000000772ef0
[  155.554518][ T1321] PKRU: 55555554
[  155.554836][ T1321] Call Trace:
[  155.555073][ T1321]  <TASK>
[ 155.555238][ T1321] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 155.555575][ T1321] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 155.555911][ T1321] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 155.556316][ T1321] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 155.556639][ T1321] netif_set_mtu (net/core/dev.c:9652) 
[ 155.556971][ T1321] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 155.557294][ T1321] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 155.557752][ T1321] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 155.557995][ T1321] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 155.558436][ T1321] br_add_if (net/bridge/br_if.c:697) bridge 
[ 155.558819][ T1321] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 155.559172][ T1321] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 155.559491][ T1321] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 155.559830][ T1321] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 155.560143][ T1321] ? __dev_get_by_name (net/core/dev.c:865) 
[ 155.560455][ T1321] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 155.560794][ T1321] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 155.561125][ T1321] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 155.561434][ T1321] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 155.561764][ T1321] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 155.562091][ T1321] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 155.562409][ T1321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.562743][ T1321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 155.563056][ T1321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.563381][ T1321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.563727][ T1321] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 155.564055][ T1321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.564382][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.564730][ T1321] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 155.565050][ T1321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.565368][ T1321] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 155.565704][ T1321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 155.566025][ T1321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 155.566341][ T1321] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 155.566678][ T1321] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 155.566992][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.567309][ T1321] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.567632][ T1321] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 155.567956][ T1321] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 155.568302][ T1321] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.568631][ T1321] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 155.568956][ T1321] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 155.569350][ T1321] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 155.569684][ T1321] ___sys_sendmsg (net/socket.c:2670) 
[ 155.570005][ T1321] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 155.570326][ T1321] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 155.570675][ T1321] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 155.570991][ T1321] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 155.571317][ T1321] ? __handle_mm_fault (mm/memory.c:6212) 
[ 155.571661][ T1321] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 155.571982][ T1321] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 155.572316][ T1321] __sys_sendmsg (net/socket.c:2700) 
[ 155.572658][ T1321] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 155.572988][ T1321] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 155.573323][ T1321] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 155.573641][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.573986][ T1321] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.574310][ T1321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  155.574715][ T1321] RIP: 0033:0x7f70a02ef1e7
[ 155.575042][ T1321] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  155.576179][ T1321] RSP: 002b:00007ffcaff3e5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  155.576673][ T1321] RAX: ffffffffffffffda RBX: 00007ffcaff3ece0 RCX: 00007f70a02ef1e7
[  155.577153][ T1321] RDX: 0000000000000000 RSI: 00007ffcaff3e620 RDI: 0000000000000005
[  155.577644][ T1321] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  155.578145][ T1321] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcaff3ed18
[  155.578641][ T1321] R13: 00000000686e6c11 R14: 0000000000499600 R15: 0000000000000000
| [  155.747407][ T1322] ------------[ cut here ]------------
| [ 155.747853][ T1322] WARNING: CPU: 1 PID: 1322 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  155.748528][ T1322] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  155.749713][ T1322] Tainted: [W]=WARN
[  155.749961][ T1322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 155.750389][ T1322] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 155.750734][ T1322] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  155.751891][ T1322] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  155.752293][ T1322] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  155.752774][ T1322] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  155.753253][ T1322] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  155.753765][ T1322] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  155.754253][ T1322] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  155.754751][ T1322] FS:  00007ff439b1f800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  155.755311][ T1322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  155.755897][ T1322] CR2: 00007ff439d335c0 CR3: 0000000014221004 CR4: 0000000000772ef0
[  155.756378][ T1322] PKRU: 55555554
[  155.756631][ T1322] Call Trace:
[  155.757036][ T1322]  <TASK>
[ 155.757211][ T1322] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 155.757543][ T1322] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 155.758032][ T1322] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 155.758457][ T1322] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 155.758788][ T1322] netif_set_mtu (net/core/dev.c:9652) 
[ 155.759108][ T1322] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 155.759439][ T1322] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 155.759921][ T1322] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 155.760164][ T1322] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 155.760617][ T1322] br_add_if (net/bridge/br_if.c:697) bridge 
[ 155.760998][ T1322] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 155.761317][ T1322] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 155.761659][ T1322] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 155.761978][ T1322] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 155.762304][ T1322] ? __dev_get_by_name (net/core/dev.c:865) 
[ 155.762629][ T1322] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 155.762955][ T1322] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 155.763286][ T1322] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 155.763604][ T1322] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 155.763957][ T1322] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 155.764284][ T1322] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 155.764607][ T1322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.764986][ T1322] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 155.765316][ T1322] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.765635][ T1322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.766002][ T1322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 155.766358][ T1322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.766709][ T1322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.767034][ T1322] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 155.767364][ T1322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.767701][ T1322] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 155.768032][ T1322] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 155.768370][ T1322] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 155.768724][ T1322] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 155.769050][ T1322] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 155.769366][ T1322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.769736][ T1322] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.770078][ T1322] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 155.770407][ T1322] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 155.770762][ T1322] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.771093][ T1322] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 155.771405][ T1322] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 155.771821][ T1322] ___sys_sendmsg (net/socket.c:2670) 
[ 155.772140][ T1322] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 155.772459][ T1322] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 155.772820][ T1322] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 155.773133][ T1322] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 155.773464][ T1322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.773797][ T1322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.774128][ T1322] __sys_sendmsg (net/socket.c:2700) 
[ 155.774440][ T1322] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 155.774775][ T1322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.775098][ T1322] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.775439][ T1322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  155.775887][ T1322] RIP: 0033:0x7ff439cec1e7
[ 155.776220][ T1322] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  155.777380][ T1322] RSP: 002b:00007fff11518ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  155.777873][ T1322] RAX: ffffffffffffffda RBX: 00007fff11519410 RCX: 00007ff439cec1e7
[  155.778362][ T1322] RDX: 0000000000000000 RSI: 00007fff11518d50 RDI: 0000000000000005
[  155.778856][ T1322] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  155.779366][ T1322] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff11519448
[  155.779855][ T1322] R13: 00000000686e6c11 R14: 0000000000499600 R15: 0000000000000000
| [  155.928053][ T1324] ------------[ cut here ]------------
| [ 155.928384][ T1324] WARNING: CPU: 0 PID: 1324 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  155.929081][ T1324] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  155.930232][ T1324] Tainted: [W]=WARN
[  155.930474][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 155.930883][ T1324] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 155.931211][ T1324] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  155.932348][ T1324] RSP: 0000:ffffc90000eb7080 EFLAGS: 00010246
[  155.932758][ T1324] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  155.933241][ T1324] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  155.933726][ T1324] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  155.934207][ T1324] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  155.934689][ T1324] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  155.935169][ T1324] FS:  00007fb17d4de800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  155.935729][ T1324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  155.936133][ T1324] CR2: 00007f8bd119efc0 CR3: 000000000cacf006 CR4: 0000000000772ef0
[  155.936610][ T1324] PKRU: 55555554
[  155.936857][ T1324] Call Trace:
[  155.937098][ T1324]  <TASK>
[ 155.937263][ T1324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 155.937587][ T1324] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 155.937919][ T1324] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 155.938335][ T1324] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 155.938663][ T1324] netif_set_mtu (net/core/dev.c:9652) 
[ 155.938986][ T1324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 155.939315][ T1324] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 155.939780][ T1324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 155.940026][ T1324] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 155.940460][ T1324] br_add_if (net/bridge/br_if.c:697) bridge 
[ 155.940834][ T1324] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 155.941154][ T1324] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 155.941474][ T1324] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 155.941806][ T1324] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 155.942122][ T1324] ? __dev_get_by_name (net/core/dev.c:865) 
[ 155.942442][ T1324] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 155.942790][ T1324] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 155.943121][ T1324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 155.943441][ T1324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 155.943769][ T1324] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 155.944098][ T1324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 155.944426][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.944763][ T1324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 155.945263][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.945861][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.946444][ T1324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 155.947025][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.947356][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.947692][ T1324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 155.948014][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.948350][ T1324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 155.948690][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 155.949008][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 155.949335][ T1324] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 155.949667][ T1324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 155.949984][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.950313][ T1324] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.950634][ T1324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 155.950960][ T1324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 155.951290][ T1324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.951613][ T1324] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 155.951945][ T1324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 155.952344][ T1324] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 155.952677][ T1324] ___sys_sendmsg (net/socket.c:2670) 
[ 155.952993][ T1324] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 155.953309][ T1324] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 155.953636][ T1324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 155.953961][ T1324] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 155.954282][ T1324] ? __handle_mm_fault (mm/memory.c:6212) 
[ 155.954603][ T1324] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 155.954925][ T1324] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 155.955493][ T1324] __sys_sendmsg (net/socket.c:2700) 
[ 155.955816][ T1324] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 155.956360][ T1324] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 155.956690][ T1324] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 155.957009][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.957336][ T1324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.957666][ T1324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  155.958072][ T1324] RIP: 0033:0x7fb17d6ab1e7
[ 155.958415][ T1324] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  155.959561][ T1324] RSP: 002b:00007ffd195b3a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  155.960286][ T1324] RAX: ffffffffffffffda RBX: 00007ffd195b4180 RCX: 00007fb17d6ab1e7
[  155.961009][ T1324] RDX: 0000000000000000 RSI: 00007ffd195b3ac0 RDI: 0000000000000005
[  155.961486][ T1324] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  155.961989][ T1324] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd195b41b8
[  155.962479][ T1324] R13: 00000000686e6c11 R14: 0000000000499600 R15: 0000000000000000
| [  156.126890][ T1326] ------------[ cut here ]------------
| [ 156.127224][ T1326] WARNING: CPU: 0 PID: 1326 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  156.127880][ T1326] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  156.129063][ T1326] Tainted: [W]=WARN
[  156.129337][ T1326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.130102][ T1326] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 156.130612][ T1326] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  156.131784][ T1326] RSP: 0018:ffffc90000ef7080 EFLAGS: 00010246
[  156.132185][ T1326] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  156.132671][ T1326] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  156.133146][ T1326] RBP: ffffc90000ef7168 R08: 0000000000000000 R09: 0000000000000000
[  156.133614][ T1326] R10: ffffc90000ef7198 R11: ffffffff96ea8918 R12: 1ffff920001dee14
[  156.134091][ T1326] R13: 00000000000005dc R14: ffffc90000ef7198 R15: ffff88800c002f08
[  156.134570][ T1326] FS:  00007f0403af9800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  156.135133][ T1326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.135534][ T1326] CR2: 00000000004a1738 CR3: 000000000b41a004 CR4: 0000000000772ef0
[  156.136018][ T1326] PKRU: 55555554
[  156.136254][ T1326] Call Trace:
[  156.136494][ T1326]  <TASK>
[ 156.136677][ T1326] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.137025][ T1326] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.137352][ T1326] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.137758][ T1326] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.138079][ T1326] netif_set_mtu (net/core/dev.c:9652) 
[ 156.138433][ T1326] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.138776][ T1326] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.139227][ T1326] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.139477][ T1326] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.139954][ T1326] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.140338][ T1326] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 156.140669][ T1326] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.141016][ T1326] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.141346][ T1326] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.141682][ T1326] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.142002][ T1326] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.142320][ T1326] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.142656][ T1326] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.142968][ T1326] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.143292][ T1326] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.143621][ T1326] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.143949][ T1326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.144285][ T1326] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.144627][ T1326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.144966][ T1326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.145289][ T1326] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.145644][ T1326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.145976][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.146325][ T1326] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.146672][ T1326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.146998][ T1326] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.147344][ T1326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.147701][ T1326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 156.148022][ T1326] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 156.148379][ T1326] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.148708][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.149054][ T1326] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.149374][ T1326] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.149737][ T1326] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.150067][ T1326] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.150417][ T1326] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.150754][ T1326] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.151156][ T1326] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 156.151479][ T1326] ___sys_sendmsg (net/socket.c:2670) 
[ 156.151806][ T1326] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.152157][ T1326] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 156.152479][ T1326] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.152836][ T1326] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 156.153163][ T1326] ? __handle_mm_fault (mm/memory.c:6212) 
[ 156.153501][ T1326] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 156.153830][ T1326] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 156.154192][ T1326] __sys_sendmsg (net/socket.c:2700) 
[ 156.154515][ T1326] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.154841][ T1326] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 156.155167][ T1326] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 156.155518][ T1326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.155853][ T1326] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.156216][ T1326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.156636][ T1326] RIP: 0033:0x7f0403cc61e7
[ 156.156979][ T1326] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  156.158154][ T1326] RSP: 002b:00007ffda2cb7848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.158671][ T1326] RAX: ffffffffffffffda RBX: 00007ffda2cb7f70 RCX: 00007f0403cc61e7
[  156.159165][ T1326] RDX: 0000000000000000 RSI: 00007ffda2cb78b0 RDI: 0000000000000005
[  156.159666][ T1326] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  156.160146][ T1326] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda2cb7fa8
[  156.160714][ T1326] R13: 00000000686e6c11 R14: 0000000000499600 R15: 0000000000000000
| [  156.350303][ T1328] ------------[ cut here ]------------
| [ 156.350617][ T1328] WARNING: CPU: 3 PID: 1328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  156.351337][ T1328] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  156.352970][ T1328] Tainted: [W]=WARN
[  156.353392][ T1328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.354089][ T1328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 156.354698][ T1328] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  156.356753][ T1328] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  156.357466][ T1328] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  156.358352][ T1328] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  156.359246][ T1328] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  156.360127][ T1328] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  156.360975][ T1328] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  156.361746][ T1328] FS:  00007f940143e800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  156.362710][ T1328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.363420][ T1328] CR2: 00000000004a1738 CR3: 0000000013da5001 CR4: 0000000000772ef0
[  156.364304][ T1328] PKRU: 55555554
[  156.364761][ T1328] Call Trace:
[  156.365187][ T1328]  <TASK>
[ 156.365486][ T1328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.366086][ T1328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.366674][ T1328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.367172][ T1328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.367495][ T1328] netif_set_mtu (net/core/dev.c:9652) 
[ 156.367828][ T1328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.368172][ T1328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.368637][ T1328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.368908][ T1328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.369713][ T1328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.370316][ T1328] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 156.370637][ T1328] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.370992][ T1328] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.371315][ T1328] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.371628][ T1328] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.371966][ T1328] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.372287][ T1328] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.372611][ T1328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.373053][ T1328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.373669][ T1328] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.374265][ T1328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.374862][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.375461][ T1328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.376049][ T1328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.376623][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.377205][ T1328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.377553][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.377896][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.378222][ T1328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.378553][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.378899][ T1328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.379501][ T1328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.379936][ T1328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 156.380252][ T1328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 156.380572][ T1328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.380913][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.381242][ T1328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.381569][ T1328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.381910][ T1328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.382250][ T1328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.382766][ T1328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.383255][ T1328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.383956][ T1328] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 156.384282][ T1328] ___sys_sendmsg (net/socket.c:2670) 
[ 156.384610][ T1328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.384933][ T1328] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 156.385253][ T1328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.385568][ T1328] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 156.385898][ T1328] ? __handle_mm_fault (mm/memory.c:6212) 
[ 156.386215][ T1328] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 156.386534][ T1328] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 156.386875][ T1328] __sys_sendmsg (net/socket.c:2700) 
[ 156.387195][ T1328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.387507][ T1328] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 156.387838][ T1328] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 156.388160][ T1328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.388504][ T1328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.388829][ T1328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.389223][ T1328] RIP: 0033:0x7f940160b1e7
[ 156.389563][ T1328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  156.390703][ T1328] RSP: 002b:00007ffc894dd328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.391182][ T1328] RAX: ffffffffffffffda RBX: 00007ffc894dda50 RCX: 00007f940160b1e7
[  156.391662][ T1328] RDX: 0000000000000000 RSI: 00007ffc894dd390 RDI: 0000000000000005
[  156.392139][ T1328] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  156.392611][ T1328] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc894dda88
[  156.393090][ T1328] R13: 00000000686e6c12 R14: 0000000000499600 R15: 0000000000000000
| [  156.559998][ T1331] ------------[ cut here ]------------
| [ 156.560379][ T1331] WARNING: CPU: 2 PID: 1331 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  156.561137][ T1331] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  156.562493][ T1331] Tainted: [W]=WARN
[  156.562774][ T1331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.563241][ T1331] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 156.563634][ T1331] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  156.564935][ T1331] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  156.565417][ T1331] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  156.566012][ T1331] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  156.566589][ T1331] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  156.567158][ T1331] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  156.567713][ T1331] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  156.568292][ T1331] FS:  00007f9fb0d22800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  156.568967][ T1331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.569437][ T1331] CR2: 00000000004a1738 CR3: 000000000918b001 CR4: 0000000000772ef0
[  156.570017][ T1331] PKRU: 55555554
[  156.570300][ T1331] Call Trace:
[  156.570576][ T1331]  <TASK>
[ 156.570788][ T1331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.571170][ T1331] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.571554][ T1331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.572039][ T1331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.572424][ T1331] netif_set_mtu (net/core/dev.c:9652) 
[ 156.572821][ T1331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.573220][ T1331] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.573764][ T1331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.574052][ T1331] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.574559][ T1331] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.574998][ T1331] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 156.575384][ T1331] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.575790][ T1331] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.576179][ T1331] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.576557][ T1331] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.576942][ T1331] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.577315][ T1331] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.577702][ T1331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.578094][ T1331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.578487][ T1331] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.578904][ T1331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.579292][ T1331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.579694][ T1331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.580074][ T1331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.580446][ T1331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.580837][ T1331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.581219][ T1331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.581611][ T1331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.582169][ T1331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.582557][ T1331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.582943][ T1331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.583327][ T1331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.583714][ T1331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 156.584084][ T1331] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 156.584470][ T1331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.584850][ T1331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.585250][ T1331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.585624][ T1331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.586020][ T1331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.586424][ T1331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.586822][ T1331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.587208][ T1331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.587684][ T1331] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 156.588063][ T1331] ___sys_sendmsg (net/socket.c:2670) 
[ 156.588456][ T1331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.588839][ T1331] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 156.589218][ T1331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.589588][ T1331] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 156.590001][ T1331] ? __handle_mm_fault (mm/memory.c:6212) 
[ 156.590376][ T1331] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 156.590766][ T1331] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 156.591161][ T1331] __sys_sendmsg (net/socket.c:2700) 
[ 156.591529][ T1331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.591910][ T1331] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 156.592293][ T1331] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 156.592682][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.593057][ T1331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.593430][ T1331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.593909][ T1331] RIP: 0033:0x7f9fb0eef1e7
[ 156.594293][ T1331] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  156.595571][ T1331] RSP: 002b:00007ffd1e56b408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.596143][ T1331] RAX: ffffffffffffffda RBX: 00007ffd1e56bb30 RCX: 00007f9fb0eef1e7
[  156.596698][ T1331] RDX: 0000000000000000 RSI: 00007ffd1e56b470 RDI: 0000000000000005
[  156.597241][ T1331] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  156.597789][ T1331] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1e56bb68
[  156.598382][ T1331] R13: 00000000686e6c12 R14: 0000000000499600 R15: 0000000000000000
| [  156.744003][ T1333] ------------[ cut here ]------------
| [ 156.744335][ T1333] WARNING: CPU: 3 PID: 1333 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  156.745007][ T1333] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  156.746230][ T1333] Tainted: [W]=WARN
[  156.746482][ T1333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.746912][ T1333] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 156.747262][ T1333] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  156.748474][ T1333] RSP: 0000:ffffc90000e87080 EFLAGS: 00010246
[  156.748912][ T1333] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  156.749413][ T1333] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  156.749925][ T1333] RBP: ffffc90000e87168 R08: 0000000000000000 R09: 0000000000000000
[  156.750429][ T1333] R10: ffffc90000e87198 R11: ffffffff96ea8918 R12: 1ffff920001d0e14
[  156.750936][ T1333] R13: 00000000000005dc R14: ffffc90000e87198 R15: ffff88800c002f08
[  156.751438][ T1333] FS:  00007fc899b32800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  156.752031][ T1333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.752454][ T1333] CR2: 00007f8bd12ace80 CR3: 000000000a40a001 CR4: 0000000000772ef0
[  156.752964][ T1333] PKRU: 55555554
[  156.753220][ T1333] Call Trace:
[  156.753477][ T1333]  <TASK>
[ 156.753657][ T1333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.754001][ T1333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.754344][ T1333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.754769][ T1333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.755105][ T1333] netif_set_mtu (net/core/dev.c:9652) 
[ 156.755441][ T1333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.755798][ T1333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.756269][ T1333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.756540][ T1333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.757008][ T1333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.757388][ T1333] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 156.757732][ T1333] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.758071][ T1333] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.758422][ T1333] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.758765][ T1333] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.759097][ T1333] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.759428][ T1333] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.759777][ T1333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.760116][ T1333] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.760464][ T1333] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.760831][ T1333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.761175][ T1333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.761519][ T1333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.761866][ T1333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.762207][ T1333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.762540][ T1333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.762889][ T1333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.763228][ T1333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.763567][ T1333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.763922][ T1333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.764259][ T1333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.764606][ T1333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.764950][ T1333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 156.765287][ T1333] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 156.765622][ T1333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.765975][ T1333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.766314][ T1333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.766663][ T1333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.767011][ T1333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.767364][ T1333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.767716][ T1333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.768053][ T1333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.768485][ T1333] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 156.768839][ T1333] ___sys_sendmsg (net/socket.c:2670) 
[ 156.769171][ T1333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.769507][ T1333] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 156.769851][ T1333] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.770192][ T1333] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 156.770540][ T1333] ? __handle_mm_fault (mm/memory.c:6212) 
[ 156.770883][ T1333] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 156.771221][ T1333] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 156.771574][ T1333] __sys_sendmsg (net/socket.c:2700) 
[ 156.771918][ T1333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.772236][ T1333] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 156.772564][ T1333] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 156.772912][ T1333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.773251][ T1333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.773583][ T1333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.774000][ T1333] RIP: 0033:0x7fc899cff1e7
[ 156.774352][ T1333] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  156.775557][ T1333] RSP: 002b:00007ffce8292608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.776068][ T1333] RAX: ffffffffffffffda RBX: 00007ffce8292d30 RCX: 00007fc899cff1e7
[  156.776578][ T1333] RDX: 0000000000000000 RSI: 00007ffce8292670 RDI: 0000000000000005
[  156.777097][ T1333] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  156.778078][ T1333] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffce8292d68
[  156.778600][ T1333] R13: 00000000686e6c12 R14: 0000000000499600 R15: 0000000000000000
| [  156.940147][ T1334] ------------[ cut here ]------------
| [ 156.940541][ T1334] WARNING: CPU: 2 PID: 1334 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  156.942639][ T1334] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  156.944016][ T1334] Tainted: [W]=WARN
[  156.944325][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.944809][ T1334] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 156.945192][ T1334] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  156.946472][ T1334] RSP: 0018:ffffc90000ef7080 EFLAGS: 00010246
[  156.946957][ T1334] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  156.947513][ T1334] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  156.948070][ T1334] RBP: ffffc90000ef7168 R08: 0000000000000000 R09: 0000000000000000
[  156.948664][ T1334] R10: ffffc90000ef7198 R11: ffffffff96ea8918 R12: 1ffff920001dee14
[  156.949233][ T1334] R13: 00000000000005dc R14: ffffc90000ef7198 R15: ffff88800c002f08
[  156.949814][ T1334] FS:  00007f2cfa8f5800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  156.950460][ T1334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.950959][ T1334] CR2: 000056318efbf148 CR3: 000000000c845001 CR4: 0000000000772ef0
[  156.951517][ T1334] PKRU: 55555554
[  156.951809][ T1334] Call Trace:
[  156.952108][ T1334]  <TASK>
[ 156.952317][ T1334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.952719][ T1334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.953100][ T1334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.953555][ T1334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.953961][ T1334] netif_set_mtu (net/core/dev.c:9652) 
[ 156.954343][ T1334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.954733][ T1334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.955267][ T1334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.955580][ T1334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.956105][ T1334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.956535][ T1334] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 156.956926][ T1334] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 156.957307][ T1334] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 156.957712][ T1334] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 156.958105][ T1334] ? __dev_get_by_name (net/core/dev.c:865) 
[ 156.958502][ T1334] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.958897][ T1334] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 156.959285][ T1334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.959669][ T1334] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 156.960061][ T1334] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 156.960447][ T1334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.960837][ T1334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.961229][ T1334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.961599][ T1334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.961990][ T1334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.962396][ T1334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.962790][ T1334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.963167][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.963560][ T1334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.963955][ T1334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.964331][ T1334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.964739][ T1334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.965133][ T1334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 156.965523][ T1334] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 156.965926][ T1334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.966295][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.966684][ T1334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.967072][ T1334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.967444][ T1334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.967822][ T1334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.968236][ T1334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.968622][ T1334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.969129][ T1334] ___sys_sendmsg (net/socket.c:2670) 
[ 156.969514][ T1334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.969901][ T1334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 156.970277][ T1334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 156.970660][ T1334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 156.971041][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.971425][ T1334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.971816][ T1334] __sys_sendmsg (net/socket.c:2700) 
[ 156.972188][ T1334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.972566][ T1334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.972952][ T1334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.973324][ T1334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.973790][ T1334] RIP: 0033:0x7f2cfaac21e7
[ 156.974172][ T1334] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  156.975457][ T1334] RSP: 002b:00007ffed05dbd68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.976028][ T1334] RAX: ffffffffffffffda RBX: 00007ffed05dc490 RCX: 00007f2cfaac21e7
[  156.976593][ T1334] RDX: 0000000000000000 RSI: 00007ffed05dbdd0 RDI: 0000000000000005
[  156.977153][ T1334] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  156.977709][ T1334] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffed05dc4c8
[  156.978255][ T1334] R13: 00000000686e6c12 R14: 0000000000499600 R15: 0000000000000000
| [  157.180166][ T1337] ------------[ cut here ]------------
| [ 157.180555][ T1337] WARNING: CPU: 2 PID: 1337 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  157.182236][ T1337] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  157.183586][ T1337] Tainted: [W]=WARN
[  157.183880][ T1337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.184350][ T1337] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 157.184742][ T1337] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  157.186036][ T1337] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  157.186498][ T1337] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  157.187053][ T1337] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  157.187613][ T1337] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  157.188167][ T1337] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  157.188752][ T1337] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  157.189313][ T1337] FS:  00007f22fcb7c800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  157.189972][ T1337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  157.190445][ T1337] CR2: 00005631b19ee358 CR3: 000000000b821005 CR4: 0000000000772ef0
[  157.191007][ T1337] PKRU: 55555554
[  157.191294][ T1337] Call Trace:
[  157.191595][ T1337]  <TASK>
[ 157.191792][ T1337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 157.192173][ T1337] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 157.192548][ T1337] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 157.193025][ T1337] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 157.193399][ T1337] netif_set_mtu (net/core/dev.c:9652) 
[ 157.193793][ T1337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 157.194190][ T1337] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 157.194734][ T1337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 157.195032][ T1337] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 157.195553][ T1337] br_add_if (net/bridge/br_if.c:697) bridge 
[ 157.195993][ T1337] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 157.196372][ T1337] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 157.196762][ T1337] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 157.197153][ T1337] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 157.197541][ T1337] ? __dev_get_by_name (net/core/dev.c:865) 
[ 157.197932][ T1337] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.198336][ T1337] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.198731][ T1337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 157.199116][ T1337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.199497][ T1337] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 157.199895][ T1337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 157.200285][ T1337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.200675][ T1337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 157.201048][ T1337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.201433][ T1337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.201813][ T1337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 157.202184][ T1337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.202564][ T1337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.202967][ T1337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 157.203343][ T1337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.203733][ T1337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 157.204117][ T1337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 157.204486][ T1337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 157.204875][ T1337] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 157.205263][ T1337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 157.205644][ T1337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.206042][ T1337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 157.206418][ T1337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 157.206794][ T1337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 157.207178][ T1337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 157.207564][ T1337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 157.207943][ T1337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 157.208421][ T1337] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 157.208826][ T1337] ___sys_sendmsg (net/socket.c:2670) 
[ 157.209203][ T1337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 157.209573][ T1337] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 157.209955][ T1337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.210327][ T1337] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 157.210729][ T1337] ? __handle_mm_fault (mm/memory.c:6212) 
[ 157.211099][ T1337] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 157.211466][ T1337] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 157.211873][ T1337] __sys_sendmsg (net/socket.c:2700) 
[ 157.212244][ T1337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 157.212626][ T1337] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 157.213018][ T1337] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 157.213392][ T1337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.213778][ T1337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 157.214163][ T1337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.214615][ T1337] RIP: 0033:0x7f22fcd491e7
[ 157.215013][ T1337] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  157.216312][ T1337] RSP: 002b:00007ffcf87523a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.216870][ T1337] RAX: ffffffffffffffda RBX: 00007ffcf8752ad0 RCX: 00007f22fcd491e7
[  157.217427][ T1337] RDX: 0000000000000000 RSI: 00007ffcf8752410 RDI: 0000000000000005
[  157.217985][ T1337] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  157.218559][ T1337] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcf8752b08
[  157.219127][ T1337] R13: 00000000686e6c12 R14: 0000000000499600 R15: 0000000000000000
| [  157.388498][ T1338] ------------[ cut here ]------------
| [ 157.388910][ T1338] WARNING: CPU: 0 PID: 1338 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  157.389598][ T1338] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  157.390840][ T1338] Tainted: [W]=WARN
[  157.391094][ T1338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.391511][ T1338] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 157.391863][ T1338] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  157.393065][ T1338] RSP: 0018:ffffc90000ef7080 EFLAGS: 00010246
[  157.393487][ T1338] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  157.393999][ T1338] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  157.394504][ T1338] RBP: ffffc90000ef7168 R08: 0000000000000000 R09: 0000000000000000
[  157.395014][ T1338] R10: ffffc90000ef7198 R11: ffffffff96ea8918 R12: 1ffff920001dee14
[  157.395526][ T1338] R13: 00000000000005dc R14: ffffc90000ef7198 R15: ffff88800c002f08
[  157.396040][ T1338] FS:  00007f37b383f800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  157.396643][ T1338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  157.397104][ T1338] CR2: 00000000004a1738 CR3: 0000000008a99003 CR4: 0000000000772ef0
[  157.397612][ T1338] PKRU: 55555554
[  157.397881][ T1338] Call Trace:
[  157.398131][ T1338]  <TASK>
[ 157.398321][ T1338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 157.398682][ T1338] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 157.399035][ T1338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 157.399463][ T1338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 157.399815][ T1338] netif_set_mtu (net/core/dev.c:9652) 
[ 157.400153][ T1338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 157.400499][ T1338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 157.400984][ T1338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 157.401257][ T1338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 157.401736][ T1338] br_add_if (net/bridge/br_if.c:697) bridge 
[ 157.402129][ T1338] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 157.402472][ T1338] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 157.402827][ T1338] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 157.403167][ T1338] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 157.403498][ T1338] ? __dev_get_by_name (net/core/dev.c:865) 
[ 157.403851][ T1338] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.404190][ T1338] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.404533][ T1338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 157.404872][ T1338] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.405213][ T1338] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 157.405556][ T1338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 157.405905][ T1338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.406252][ T1338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 157.406591][ T1338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.406953][ T1338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.407298][ T1338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 157.407635][ T1338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.408008][ T1338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.408373][ T1338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 157.408722][ T1338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.409070][ T1338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 157.409418][ T1338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 157.409764][ T1338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 157.410100][ T1338] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 157.410438][ T1338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 157.410779][ T1338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.411120][ T1338] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 157.411465][ T1338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 157.411809][ T1338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 157.412158][ T1338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 157.412498][ T1338] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 157.412843][ T1338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 157.413266][ T1338] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 157.413604][ T1338] ___sys_sendmsg (net/socket.c:2670) 
[ 157.413947][ T1338] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 157.414287][ T1338] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 157.414622][ T1338] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.414973][ T1338] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 157.415314][ T1338] ? __handle_mm_fault (mm/memory.c:6212) 
[ 157.415644][ T1338] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 157.415989][ T1338] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 157.416344][ T1338] __sys_sendmsg (net/socket.c:2700) 
[ 157.416685][ T1338] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 157.417020][ T1338] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 157.417359][ T1338] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 157.417703][ T1338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.418047][ T1338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 157.418391][ T1338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.418826][ T1338] RIP: 0033:0x7f37b3a0c1e7
[ 157.419172][ T1338] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  157.420378][ T1338] RSP: 002b:00007ffc426299b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.420895][ T1338] RAX: ffffffffffffffda RBX: 00007ffc4262a0e0 RCX: 00007f37b3a0c1e7
[  157.421404][ T1338] RDX: 0000000000000000 RSI: 00007ffc42629a20 RDI: 0000000000000005
[  157.421907][ T1338] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  157.422404][ T1338] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4262a118
[  157.422916][ T1338] R13: 00000000686e6c13 R14: 0000000000499600 R15: 0000000000000000
| [  157.574166][ T1340] ------------[ cut here ]------------
| [ 157.574516][ T1340] WARNING: CPU: 0 PID: 1340 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  157.575281][ T1340] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  157.576490][ T1340] Tainted: [W]=WARN
[  157.576753][ T1340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.577178][ T1340] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 157.577521][ T1340] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  157.578733][ T1340] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  157.579171][ T1340] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  157.579681][ T1340] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  157.580186][ T1340] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  157.580692][ T1340] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  157.581193][ T1340] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  157.581696][ T1340] FS:  00007efde31fb800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  157.582280][ T1340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  157.582711][ T1340] CR2: 00000000004a1738 CR3: 0000000008eae001 CR4: 0000000000772ef0
[  157.583216][ T1340] PKRU: 55555554
[  157.583471][ T1340] Call Trace:
[  157.583729][ T1340]  <TASK>
[ 157.583906][ T1340] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 157.584252][ T1340] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 157.584591][ T1340] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 157.585017][ T1340] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 157.585352][ T1340] netif_set_mtu (net/core/dev.c:9652) 
[ 157.585701][ T1340] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 157.586047][ T1340] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 157.586516][ T1340] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 157.586778][ T1340] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 157.587235][ T1340] br_add_if (net/bridge/br_if.c:697) bridge 
[ 157.587615][ T1340] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 157.587966][ T1340] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 157.588310][ T1340] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 157.588667][ T1340] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 157.589011][ T1340] ? __dev_get_by_name (net/core/dev.c:865) 
[ 157.589340][ T1340] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.589681][ T1340] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.590024][ T1340] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 157.590354][ T1340] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.590703][ T1340] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 157.591053][ T1340] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 157.591398][ T1340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.591756][ T1340] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 157.592100][ T1340] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.592460][ T1340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.592804][ T1340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 157.593140][ T1340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.593485][ T1340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.593828][ T1340] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 157.594164][ T1340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.594502][ T1340] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 157.594860][ T1340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 157.595199][ T1340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 157.595538][ T1340] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 157.595885][ T1340] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 157.596214][ T1340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.596562][ T1340] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 157.596912][ T1340] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 157.597252][ T1340] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 157.597609][ T1340] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 157.597962][ T1340] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 157.598310][ T1340] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 157.598743][ T1340] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 157.599093][ T1340] ___sys_sendmsg (net/socket.c:2670) 
[ 157.599435][ T1340] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 157.599782][ T1340] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 157.600120][ T1340] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.600453][ T1340] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 157.600804][ T1340] ? __handle_mm_fault (mm/memory.c:6212) 
[ 157.601139][ T1340] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 157.601481][ T1340] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 157.601848][ T1340] __sys_sendmsg (net/socket.c:2700) 
[ 157.602189][ T1340] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 157.602528][ T1340] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 157.602881][ T1340] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 157.603220][ T1340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.603565][ T1340] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 157.603909][ T1340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.604343][ T1340] RIP: 0033:0x7efde33c81e7
[ 157.604705][ T1340] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  157.605907][ T1340] RSP: 002b:00007ffcd1a30888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.606410][ T1340] RAX: ffffffffffffffda RBX: 00007ffcd1a30fb0 RCX: 00007efde33c81e7
[  157.606921][ T1340] RDX: 0000000000000000 RSI: 00007ffcd1a308f0 RDI: 0000000000000005
[  157.607427][ T1340] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  157.607937][ T1340] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcd1a30fe8
[  157.608454][ T1340] R13: 00000000686e6c13 R14: 0000000000499600 R15: 0000000000000000
| [  157.765178][ T1343] ------------[ cut here ]------------
| [ 157.765497][ T1343] WARNING: CPU: 0 PID: 1343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  157.766242][ T1343] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  157.767410][ T1343] Tainted: [W]=WARN
[  157.767658][ T1343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.768050][ T1343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 157.768397][ T1343] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  157.769589][ T1343] RSP: 0018:ffffc90000ef7080 EFLAGS: 00010246
[  157.770010][ T1343] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  157.770486][ T1343] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  157.770981][ T1343] RBP: ffffc90000ef7168 R08: 0000000000000000 R09: 0000000000000000
[  157.771466][ T1343] R10: ffffc90000ef7198 R11: ffffffff96ea8918 R12: 1ffff920001dee14
[  157.771955][ T1343] R13: 00000000000005dc R14: ffffc90000ef7198 R15: ffff88800c002f08
[  157.772449][ T1343] FS:  00007f16eaa1c800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  157.773016][ T1343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  157.773445][ T1343] CR2: 00000000004a1738 CR3: 00000000099af005 CR4: 0000000000772ef0
[  157.773944][ T1343] PKRU: 55555554
[  157.774188][ T1343] Call Trace:
[  157.774435][ T1343]  <TASK>
[ 157.774607][ T1343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 157.774955][ T1343] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 157.775287][ T1343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 157.775698][ T1343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 157.776028][ T1343] netif_set_mtu (net/core/dev.c:9652) 
[ 157.776357][ T1343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 157.776714][ T1343] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 157.777166][ T1343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 157.777433][ T1343] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 157.777892][ T1343] br_add_if (net/bridge/br_if.c:697) bridge 
[ 157.778280][ T1343] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 157.778615][ T1343] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 157.778956][ T1343] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 157.779280][ T1343] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 157.779597][ T1343] ? __dev_get_by_name (net/core/dev.c:865) 
[ 157.779922][ T1343] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.780267][ T1343] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.780591][ T1343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 157.780947][ T1343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.781395][ T1343] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 157.781745][ T1343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 157.782076][ T1343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.782411][ T1343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 157.782750][ T1343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.783075][ T1343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.783394][ T1343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 157.783739][ T1343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.784107][ T1343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.784440][ T1343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 157.784801][ T1343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.785144][ T1343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 157.785487][ T1343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 157.785827][ T1343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 157.786170][ T1343] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 157.786503][ T1343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 157.786861][ T1343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.787201][ T1343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 157.787553][ T1343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 157.787883][ T1343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 157.788248][ T1343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 157.788590][ T1343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 157.788958][ T1343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 157.789378][ T1343] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 157.789721][ T1343] ___sys_sendmsg (net/socket.c:2670) 
[ 157.790074][ T1343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 157.790397][ T1343] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 157.790727][ T1343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.791064][ T1343] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 157.791402][ T1343] ? __handle_mm_fault (mm/memory.c:6212) 
[ 157.791733][ T1343] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 157.792119][ T1343] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 157.792457][ T1343] __sys_sendmsg (net/socket.c:2700) 
[ 157.792787][ T1343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 157.793103][ T1343] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 157.793432][ T1343] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 157.793763][ T1343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.794083][ T1343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 157.794405][ T1343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.794813][ T1343] RIP: 0033:0x7f16eabe91e7
[ 157.795141][ T1343] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  157.796303][ T1343] RSP: 002b:00007ffc54ccacb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.797277][ T1343] RAX: ffffffffffffffda RBX: 00007ffc54ccb3e0 RCX: 00007f16eabe91e7
[  157.798013][ T1343] RDX: 0000000000000000 RSI: 00007ffc54ccad20 RDI: 0000000000000005
[  157.798513][ T1343] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  157.799005][ T1343] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc54ccb418
[  157.799480][ T1343] R13: 00000000686e6c13 R14: 0000000000499600 R15: 0000000000000000
| [  157.946515][ T1344] ------------[ cut here ]------------
| [ 157.946944][ T1344] WARNING: CPU: 3 PID: 1344 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  157.947576][ T1344] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  157.949038][ T1344] Tainted: [W]=WARN
[  157.949293][ T1344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.949697][ T1344] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 157.950043][ T1344] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  157.951200][ T1344] RSP: 0018:ffffc90000f07080 EFLAGS: 00010246
[  157.951616][ T1344] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  157.952104][ T1344] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  157.952591][ T1344] RBP: ffffc90000f07168 R08: 0000000000000000 R09: 0000000000000000
[  157.953078][ T1344] R10: ffffc90000f07198 R11: ffffffff96ea8918 R12: 1ffff920001e0e14
[  157.953552][ T1344] R13: 00000000000005dc R14: ffffc90000f07198 R15: ffff88800c002f08
[  157.954048][ T1344] FS:  00007f0ea17eb800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  157.954628][ T1344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  157.955065][ T1344] CR2: 00007f8bd0e77780 CR3: 000000000ba25001 CR4: 0000000000772ef0
[  157.955569][ T1344] PKRU: 55555554
[  157.955823][ T1344] Call Trace:
[  157.956065][ T1344]  <TASK>
[ 157.956230][ T1344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 157.956604][ T1344] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 157.956965][ T1344] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 157.957378][ T1344] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 157.957719][ T1344] netif_set_mtu (net/core/dev.c:9652) 
[ 157.958041][ T1344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 157.958388][ T1344] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 157.958846][ T1344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 157.959096][ T1344] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 157.959562][ T1344] br_add_if (net/bridge/br_if.c:697) bridge 
[ 157.959970][ T1344] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 157.960324][ T1344] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 157.960644][ T1344] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 157.961003][ T1344] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 157.961325][ T1344] ? __dev_get_by_name (net/core/dev.c:865) 
[ 157.961656][ T1344] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.961992][ T1344] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 157.962324][ T1344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 157.962638][ T1344] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.962973][ T1344] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 157.963301][ T1344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 157.963631][ T1344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.963970][ T1344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 157.964287][ T1344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.964605][ T1344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.964946][ T1344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 157.965289][ T1344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.965615][ T1344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.965948][ T1344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 157.966301][ T1344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.966633][ T1344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 157.966991][ T1344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 157.967310][ T1344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 157.967627][ T1344] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 157.967960][ T1344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 157.968292][ T1344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.968634][ T1344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 157.968962][ T1344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 157.969317][ T1344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 157.969670][ T1344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 157.970020][ T1344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 157.970348][ T1344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 157.970762][ T1344] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 157.971103][ T1344] ___sys_sendmsg (net/socket.c:2670) 
[ 157.971425][ T1344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 157.971753][ T1344] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 157.972097][ T1344] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 157.972425][ T1344] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 157.972763][ T1344] ? __handle_mm_fault (mm/memory.c:6212) 
[ 157.973089][ T1344] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 157.973411][ T1344] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 157.973758][ T1344] __sys_sendmsg (net/socket.c:2700) 
[ 157.974086][ T1344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 157.974408][ T1344] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 157.974761][ T1344] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 157.975124][ T1344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.975466][ T1344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 157.975808][ T1344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.976310][ T1344] RIP: 0033:0x7f0ea19b81e7
[ 157.976667][ T1344] Code: Unable to access opcode bytes at 0x7f0ea19b81bd.

Code starting with the faulting instruction
===========================================
[  157.977082][ T1344] RSP: 002b:00007ffecaf1e4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.977565][ T1344] RAX: ffffffffffffffda RBX: 00007ffecaf1ec20 RCX: 00007f0ea19b81e7
[  157.978062][ T1344] RDX: 0000000000000000 RSI: 00007ffecaf1e560 RDI: 0000000000000005
[  157.978552][ T1344] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  157.979062][ T1344] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffecaf1ec58
[  157.979550][ T1344] R13: 00000000686e6c13 R14: 0000000000499600 R15: 0000000000000000
| [  158.148130][ T1346] ------------[ cut here ]------------
| [ 158.148462][ T1346] WARNING: CPU: 3 PID: 1346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  158.149193][ T1346] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.150345][ T1346] Tainted: [W]=WARN
[  158.150584][ T1346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.150988][ T1346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 158.151319][ T1346] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  158.152457][ T1346] RSP: 0018:ffffc90000e27080 EFLAGS: 00010246
[  158.152865][ T1346] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  158.153341][ T1346] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  158.153828][ T1346] RBP: ffffc90000e27168 R08: 0000000000000000 R09: 0000000000000000
[  158.154300][ T1346] R10: ffffc90000e27198 R11: ffffffff96ea8918 R12: 1ffff920001c4e14
[  158.154780][ T1346] R13: 00000000000005dc R14: ffffc90000e27198 R15: ffff88800c002f08
[  158.155254][ T1346] FS:  00007fc9dccce800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  158.155820][ T1346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.156220][ T1346] CR2: 00007f8bd11b1240 CR3: 000000001421d002 CR4: 0000000000772ef0
[  158.156697][ T1346] PKRU: 55555554
[  158.156934][ T1346] Call Trace:
[  158.157172][ T1346]  <TASK>
[ 158.157336][ T1346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.157674][ T1346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.158241][ T1346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.159010][ T1346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.159598][ T1346] netif_set_mtu (net/core/dev.c:9652) 
[ 158.159990][ T1346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.160342][ T1346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.160807][ T1346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.161061][ T1346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.161496][ T1346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.161873][ T1346] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 158.162198][ T1346] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.162517][ T1346] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.162840][ T1346] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.163156][ T1346] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.163470][ T1346] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.163791][ T1346] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.164119][ T1346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.164506][ T1346] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.165080][ T1346] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.165642][ T1346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.166143][ T1346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.166690][ T1346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.167243][ T1346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.167829][ T1346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.168368][ T1346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.168915][ T1346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.169484][ T1346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.170047][ T1346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.170616][ T1346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.171187][ T1346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.171780][ T1346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.172352][ T1346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 158.173833][ T1346] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 158.174425][ T1346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.174991][ T1346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.175593][ T1346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.176197][ T1346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.176792][ T1346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.177385][ T1346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.178862][ T1346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.179410][ T1346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.180156][ T1346] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.181183][ T1346] ___sys_sendmsg (net/socket.c:2670) 
[ 158.182188][ T1346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.182782][ T1346] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.183825][ T1346] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.184827][ T1346] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.185405][ T1346] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.186000][ T1346] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.186570][ T1346] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.188052][ T1346] __sys_sendmsg (net/socket.c:2700) 
[ 158.188659][ T1346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.189219][ T1346] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 158.189814][ T1346] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 158.190823][ T1346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.191401][ T1346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.191980][ T1346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.192716][ T1346] RIP: 0033:0x7fc9dce9b1e7
[ 158.193302][ T1346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  158.195357][ T1346] RSP: 002b:00007fff736b0e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.196217][ T1346] RAX: ffffffffffffffda RBX: 00007fff736b1530 RCX: 00007fc9dce9b1e7
[  158.197078][ T1346] RDX: 0000000000000000 RSI: 00007fff736b0e70 RDI: 0000000000000005
[  158.197929][ T1346] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.198808][ T1346] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff736b1568
[  158.199668][ T1346] R13: 00000000686e6c13 R14: 0000000000499600 R15: 0000000000000000
| [  158.386566][ T1348] ------------[ cut here ]------------
| [ 158.386976][ T1348] WARNING: CPU: 3 PID: 1348 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  158.387615][ T1348] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.388803][ T1348] Tainted: [W]=WARN
[  158.389045][ T1348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.389464][ T1348] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 158.389808][ T1348] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  158.390978][ T1348] RSP: 0018:ffffc90000f47080 EFLAGS: 00010246
[  158.391384][ T1348] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  158.391881][ T1348] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  158.392379][ T1348] RBP: ffffc90000f47168 R08: 0000000000000000 R09: 0000000000000000
[  158.392869][ T1348] R10: ffffc90000f47198 R11: ffffffff96ea8918 R12: 1ffff920001e8e14
[  158.393361][ T1348] R13: 00000000000005dc R14: ffffc90000f47198 R15: ffff88800c002f08
[  158.393874][ T1348] FS:  00007f935a83b800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  158.394460][ T1348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.394883][ T1348] CR2: 00000000004a1738 CR3: 000000000badb001 CR4: 0000000000772ef0
[  158.395385][ T1348] PKRU: 55555554
[  158.395638][ T1348] Call Trace:
[  158.395894][ T1348]  <TASK>
[ 158.396065][ T1348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.396401][ T1348] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.396733][ T1348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.397146][ T1348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.397472][ T1348] netif_set_mtu (net/core/dev.c:9652) 
[ 158.397809][ T1348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.398159][ T1348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.398702][ T1348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.398963][ T1348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.399440][ T1348] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.399839][ T1348] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 158.400184][ T1348] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.400532][ T1348] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.400885][ T1348] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.401238][ T1348] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.401580][ T1348] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.401941][ T1348] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.402284][ T1348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.402619][ T1348] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.402994][ T1348] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.403340][ T1348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.403709][ T1348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.404069][ T1348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.404419][ T1348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.404768][ T1348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.405105][ T1348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.405450][ T1348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.405817][ T1348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.406161][ T1348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.406513][ T1348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.406862][ T1348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.407221][ T1348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.407554][ T1348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 158.407914][ T1348] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 158.408270][ T1348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.408598][ T1348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.408930][ T1348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.409252][ T1348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.409568][ T1348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.409905][ T1348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.410234][ T1348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.410579][ T1348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.411010][ T1348] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.411341][ T1348] ___sys_sendmsg (net/socket.c:2670) 
[ 158.411680][ T1348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.412020][ T1348] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.412351][ T1348] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.412686][ T1348] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.413016][ T1348] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.413337][ T1348] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.413671][ T1348] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.414030][ T1348] __sys_sendmsg (net/socket.c:2700) 
[ 158.414352][ T1348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.414703][ T1348] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 158.415036][ T1348] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 158.415361][ T1348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.415695][ T1348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.416017][ T1348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.416416][ T1348] RIP: 0033:0x7f935aa081e7
[ 158.416763][ T1348] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  158.417923][ T1348] RSP: 002b:00007ffe85ff3db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.418423][ T1348] RAX: ffffffffffffffda RBX: 00007ffe85ff44e0 RCX: 00007f935aa081e7
[  158.418908][ T1348] RDX: 0000000000000000 RSI: 00007ffe85ff3e20 RDI: 0000000000000005
[  158.419400][ T1348] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.419947][ T1348] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe85ff4518
[  158.420452][ T1348] R13: 00000000686e6c14 R14: 0000000000499600 R15: 0000000000000000
| [  158.616489][ T1350] ------------[ cut here ]------------
| [ 158.616909][ T1350] WARNING: CPU: 0 PID: 1350 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  158.617551][ T1350] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  158.618913][ T1350] Tainted: [W]=WARN
[  158.619202][ T1350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.619632][ T1350] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 158.620011][ T1350] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  158.621294][ T1350] RSP: 0018:ffffc90000eb7080 EFLAGS: 00010246
[  158.621765][ T1350] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  158.622258][ T1350] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  158.622754][ T1350] RBP: ffffc90000eb7168 R08: 0000000000000000 R09: 0000000000000000
[  158.623235][ T1350] R10: ffffc90000eb7198 R11: ffffffff96ea8918 R12: 1ffff920001d6e14
[  158.623724][ T1350] R13: 00000000000005dc R14: ffffc90000eb7198 R15: ffff88800c002f08
[  158.624199][ T1350] FS:  00007f27a7f51800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  158.624763][ T1350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.625162][ T1350] CR2: 00000000004a1738 CR3: 000000001449b005 CR4: 0000000000772ef0
[  158.625660][ T1350] PKRU: 55555554
[  158.625906][ T1350] Call Trace:
[  158.626153][ T1350]  <TASK>
[ 158.626317][ T1350] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.626658][ T1350] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.626981][ T1350] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.627382][ T1350] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.627717][ T1350] netif_set_mtu (net/core/dev.c:9652) 
[ 158.628038][ T1350] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.628395][ T1350] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.628854][ T1350] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.629100][ T1350] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.629563][ T1350] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.629943][ T1350] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 158.630290][ T1350] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.630624][ T1350] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.630981][ T1350] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.631297][ T1350] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.631611][ T1350] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.631972][ T1350] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.632301][ T1350] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.632615][ T1350] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.632942][ T1350] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.633296][ T1350] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.633619][ T1350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.633957][ T1350] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.634308][ T1350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.634635][ T1350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.634968][ T1350] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.635307][ T1350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.635627][ T1350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.635992][ T1350] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.636312][ T1350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.636631][ T1350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.636999][ T1350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.637327][ T1350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 158.637693][ T1350] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 158.638017][ T1350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.638393][ T1350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.638747][ T1350] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.639076][ T1350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.639428][ T1350] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.639792][ T1350] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.640122][ T1350] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.640478][ T1350] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.640948][ T1350] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 158.641326][ T1350] ___sys_sendmsg (net/socket.c:2670) 
[ 158.641677][ T1350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.642039][ T1350] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 158.642374][ T1350] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.642720][ T1350] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 158.643084][ T1350] ? __handle_mm_fault (mm/memory.c:6212) 
[ 158.643412][ T1350] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 158.643733][ T1350] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 158.644062][ T1350] __sys_sendmsg (net/socket.c:2700) 
[ 158.644379][ T1350] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.644701][ T1350] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 158.645024][ T1350] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 158.645349][ T1350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.645712][ T1350] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.646031][ T1350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.646437][ T1350] RIP: 0033:0x7f27a811e1e7
[ 158.646776][ T1350] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  158.647939][ T1350] RSP: 002b:00007ffebbe81698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.648433][ T1350] RAX: ffffffffffffffda RBX: 00007ffebbe81dc0 RCX: 00007f27a811e1e7
[  158.648913][ T1350] RDX: 0000000000000000 RSI: 00007ffebbe81700 RDI: 0000000000000005
[  158.649414][ T1350] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  158.649911][ T1350] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffebbe81df8
[  158.650399][ T1350] R13: 00000000686e6c14 R14: 0000000000499600 R15: 0000000000000000
| [  159.112272][ T1356] ------------[ cut here ]------------
| [ 159.112603][ T1356] WARNING: CPU: 3 PID: 1356 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.113299][ T1356] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.114518][ T1356] Tainted: [W]=WARN
[  159.114780][ T1356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.115204][ T1356] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.115557][ T1356] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  159.116775][ T1356] RSP: 0018:ffffc90000f77080 EFLAGS: 00010246
[  159.117197][ T1356] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  159.117711][ T1356] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  159.118215][ T1356] RBP: ffffc90000f77168 R08: 0000000000000000 R09: 0000000000000000
[  159.118740][ T1356] R10: ffffc90000f77198 R11: ffffffff96ea8918 R12: 1ffff920001eee14
[  159.119245][ T1356] R13: 00000000000005dc R14: ffffc90000f77198 R15: ffff888004c82f08
[  159.119764][ T1356] FS:  00007f69a7856800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  159.120346][ T1356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.120783][ T1356] CR2: 00007f8bd0ea37b0 CR3: 0000000004da7001 CR4: 0000000000772ef0
[  159.121292][ T1356] PKRU: 55555554
[  159.121546][ T1356] Call Trace:
[  159.121810][ T1356]  <TASK>
[ 159.121988][ T1356] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.122333][ T1356] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.122684][ T1356] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.123138][ T1356] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.123496][ T1356] netif_set_mtu (net/core/dev.c:9652) 
[ 159.123885][ T1356] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.124309][ T1356] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.124808][ T1356] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.125104][ T1356] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.125629][ T1356] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.126069][ T1356] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 159.126434][ T1356] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.126816][ T1356] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.127196][ T1356] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.127560][ T1356] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.127942][ T1356] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.128350][ T1356] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.128738][ T1356] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.129108][ T1356] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.129490][ T1356] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.129916][ T1356] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.130305][ T1356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.130710][ T1356] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.131107][ T1356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.131512][ T1356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.131895][ T1356] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.132270][ T1356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.132627][ T1356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.133024][ T1356] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.133424][ T1356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.133819][ T1356] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.134232][ T1356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.134593][ T1356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.135011][ T1356] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 159.135400][ T1356] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.135804][ T1356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.136185][ T1356] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.136548][ T1356] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.136921][ T1356] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.137285][ T1356] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.137681][ T1356] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.138040][ T1356] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.138492][ T1356] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.138910][ T1356] ___sys_sendmsg (net/socket.c:2670) 
[ 159.139315][ T1356] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.139673][ T1356] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.140101][ T1356] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.140489][ T1356] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.140892][ T1356] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.141283][ T1356] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.141669][ T1356] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.142068][ T1356] __sys_sendmsg (net/socket.c:2700) 
[ 159.142417][ T1356] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.142767][ T1356] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.143141][ T1356] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.143526][ T1356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.143906][ T1356] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.144307][ T1356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.144771][ T1356] RIP: 0033:0x7f69a7a231e7
[ 159.145170][ T1356] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.146544][ T1356] RSP: 002b:00007ffce5a068d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.147090][ T1356] RAX: ffffffffffffffda RBX: 00007ffce5a07000 RCX: 00007f69a7a231e7
[  159.147598][ T1356] RDX: 0000000000000000 RSI: 00007ffce5a06940 RDI: 0000000000000005
[  159.148136][ T1356] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.148738][ T1356] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffce5a07038
[  159.149314][ T1356] R13: 00000000686e6c14 R14: 0000000000499600 R15: 0000000000000000
| [  159.302131][ T1357] ------------[ cut here ]------------
| [ 159.302516][ T1357] WARNING: CPU: 2 PID: 1357 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.303260][ T1357] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.304599][ T1357] Tainted: [W]=WARN
[  159.304877][ T1357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.305310][ T1357] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.305687][ T1357] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  159.306892][ T1357] RSP: 0018:ffffc90000f07080 EFLAGS: 00010246
[  159.307333][ T1357] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  159.307867][ T1357] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  159.308473][ T1357] RBP: ffffc90000f07168 R08: 0000000000000000 R09: 0000000000000000
[  159.309050][ T1357] R10: ffffc90000f07198 R11: ffffffff96ea8918 R12: 1ffff920001e0e14
[  159.309627][ T1357] R13: 00000000000005dc R14: ffffc90000f07198 R15: ffff888004c82f08
[  159.310196][ T1357] FS:  00007f67105d7800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  159.310861][ T1357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.311332][ T1357] CR2: 00000000004a1738 CR3: 00000000096e1006 CR4: 0000000000772ef0
[  159.311902][ T1357] PKRU: 55555554
[  159.312216][ T1357] Call Trace:
[  159.312514][ T1357]  <TASK>
[ 159.312759][ T1357] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.313156][ T1357] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.313568][ T1357] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.314086][ T1357] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.314492][ T1357] netif_set_mtu (net/core/dev.c:9652) 
[ 159.314896][ T1357] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.315301][ T1357] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.315842][ T1357] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.316164][ T1357] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.316696][ T1357] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.317133][ T1357] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 159.317506][ T1357] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.317901][ T1357] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.318303][ T1357] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.318700][ T1357] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.319088][ T1357] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.319473][ T1357] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.319859][ T1357] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.320240][ T1357] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.320625][ T1357] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.321020][ T1357] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.321404][ T1357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.321807][ T1357] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.322189][ T1357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.322597][ T1357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.322999][ T1357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.323386][ T1357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.323775][ T1357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.324215][ T1357] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.324580][ T1357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.324974][ T1357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.325373][ T1357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.325768][ T1357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.326162][ T1357] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 159.326541][ T1357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.326934][ T1357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.327314][ T1357] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.327700][ T1357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.328091][ T1357] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.328497][ T1357] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.328901][ T1357] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.329297][ T1357] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.329769][ T1357] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.330169][ T1357] ___sys_sendmsg (net/socket.c:2670) 
[ 159.330546][ T1357] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.330934][ T1357] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.331313][ T1357] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.331696][ T1357] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.332092][ T1357] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.332461][ T1357] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.332837][ T1357] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.333235][ T1357] __sys_sendmsg (net/socket.c:2700) 
[ 159.333609][ T1357] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.333995][ T1357] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.334410][ T1357] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.334799][ T1357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.335199][ T1357] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.335575][ T1357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.336044][ T1357] RIP: 0033:0x7f67107a41e7
[ 159.336434][ T1357] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.337728][ T1357] RSP: 002b:00007ffc51819868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.338304][ T1357] RAX: ffffffffffffffda RBX: 00007ffc51819f90 RCX: 00007f67107a41e7
[  159.338882][ T1357] RDX: 0000000000000000 RSI: 00007ffc518198d0 RDI: 0000000000000005
[  159.339443][ T1357] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.340012][ T1357] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc51819fc8
[  159.340578][ T1357] R13: 00000000686e6c15 R14: 0000000000499600 R15: 0000000000000000
| [  159.507314][ T1359] ------------[ cut here ]------------
| [ 159.507677][ T1359] WARNING: CPU: 1 PID: 1359 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.508376][ T1359] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.509595][ T1359] Tainted: [W]=WARN
[  159.509857][ T1359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.510274][ T1359] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.510617][ T1359] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  159.511894][ T1359] RSP: 0018:ffffc90000f77080 EFLAGS: 00010246
[  159.512325][ T1359] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  159.512995][ T1359] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  159.513495][ T1359] RBP: ffffc90000f77168 R08: 0000000000000000 R09: 0000000000000000
[  159.514155][ T1359] R10: ffffc90000f77198 R11: ffffffff96ea8918 R12: 1ffff920001eee14
[  159.514821][ T1359] R13: 00000000000005dc R14: ffffc90000f77198 R15: ffff888004c82f08
[  159.515324][ T1359] FS:  00007fed44bb4800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  159.516065][ T1359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.516472][ T1359] CR2: 00000000004a1738 CR3: 00000000147b1006 CR4: 0000000000772ef0
[  159.517081][ T1359] PKRU: 55555554
[  159.517334][ T1359] Call Trace:
[  159.517587][ T1359]  <TASK>
[ 159.517776][ T1359] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.518119][ T1359] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.518467][ T1359] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.518893][ T1359] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.519229][ T1359] netif_set_mtu (net/core/dev.c:9652) 
[ 159.519563][ T1359] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.519928][ T1359] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.520403][ T1359] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.520667][ T1359] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.521140][ T1359] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.521523][ T1359] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 159.521869][ T1359] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.522208][ T1359] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.522541][ T1359] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.522886][ T1359] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.523223][ T1359] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.523556][ T1359] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.523916][ T1359] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.524251][ T1359] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.524588][ T1359] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.524942][ T1359] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.525283][ T1359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.525630][ T1359] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.525984][ T1359] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.526327][ T1359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.526670][ T1359] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.527010][ T1359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.527358][ T1359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.527722][ T1359] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.528070][ T1359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.528420][ T1359] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.528780][ T1359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.529112][ T1359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.529444][ T1359] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 159.529793][ T1359] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.530142][ T1359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.530482][ T1359] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.530846][ T1359] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.531180][ T1359] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.531522][ T1359] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.531881][ T1359] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.532215][ T1359] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.532627][ T1359] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.532994][ T1359] ___sys_sendmsg (net/socket.c:2670) 
[ 159.533336][ T1359] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.533686][ T1359] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.534022][ T1359] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.534351][ T1359] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.534694][ T1359] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.535032][ T1359] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.535360][ T1359] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.535733][ T1359] __sys_sendmsg (net/socket.c:2700) 
[ 159.536063][ T1359] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.536391][ T1359] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.536749][ T1359] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.537085][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.537423][ T1359] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.537767][ T1359] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.538204][ T1359] RIP: 0033:0x7fed44d811e7
[ 159.538557][ T1359] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.539761][ T1359] RSP: 002b:00007ffcf4606ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.540266][ T1359] RAX: ffffffffffffffda RBX: 00007ffcf4607410 RCX: 00007fed44d811e7
[  159.540781][ T1359] RDX: 0000000000000000 RSI: 00007ffcf4606d50 RDI: 0000000000000005
[  159.541279][ T1359] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.541787][ T1359] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcf4607448
[  159.542282][ T1359] R13: 00000000686e6c15 R14: 0000000000499600 R15: 0000000000000000
| [  159.712973][ T1361] ------------[ cut here ]------------
| [ 159.713301][ T1361] WARNING: CPU: 1 PID: 1361 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.714140][ T1361] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.715480][ T1361] Tainted: [W]=WARN
[  159.715883][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.716285][ T1361] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.716628][ T1361] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  159.717968][ T1361] RSP: 0018:ffffc90000e27080 EFLAGS: 00010246
[  159.718379][ T1361] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  159.719000][ T1361] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  159.719494][ T1361] RBP: ffffc90000e27168 R08: 0000000000000000 R09: 0000000000000000
[  159.720003][ T1361] R10: ffffc90000e27198 R11: ffffffff96ea8918 R12: 1ffff920001c4e14
[  159.720501][ T1361] R13: 00000000000005dc R14: ffffc90000e27198 R15: ffff888004c82f08
[  159.721005][ T1361] FS:  00007f4fa1d71800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  159.721588][ T1361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.722022][ T1361] CR2: 00000000004a1738 CR3: 000000000a40a003 CR4: 0000000000772ef0
[  159.722528][ T1361] PKRU: 55555554
[  159.722787][ T1361] Call Trace:
[  159.723038][ T1361]  <TASK>
[ 159.723210][ T1361] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.723550][ T1361] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.723899][ T1361] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.724317][ T1361] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.724670][ T1361] netif_set_mtu (net/core/dev.c:9652) 
[ 159.725020][ T1361] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.725363][ T1361] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.725847][ T1361] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.726099][ T1361] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.726552][ T1361] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.726953][ T1361] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 159.727292][ T1361] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.727626][ T1361] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.727972][ T1361] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.728315][ T1361] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.728657][ T1361] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.728991][ T1361] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.729329][ T1361] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.729679][ T1361] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.730018][ T1361] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.730361][ T1361] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.730706][ T1361] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.731052][ T1361] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.731385][ T1361] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.731730][ T1361] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.732071][ T1361] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.732406][ T1361] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.732756][ T1361] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.733098][ T1361] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.733431][ T1361] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.733775][ T1361] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.734133][ T1361] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.734474][ T1361] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.734819][ T1361] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 159.735154][ T1361] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.735486][ T1361] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.735829][ T1361] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.736167][ T1361] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.736497][ T1361] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.736843][ T1361] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.737189][ T1361] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.737521][ T1361] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.737953][ T1361] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.738310][ T1361] ___sys_sendmsg (net/socket.c:2670) 
[ 159.738643][ T1361] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.738985][ T1361] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.739319][ T1361] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.739670][ T1361] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.740008][ T1361] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.740337][ T1361] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.740678][ T1361] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.741026][ T1361] __sys_sendmsg (net/socket.c:2700) 
[ 159.741355][ T1361] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.741709][ T1361] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.742054][ T1361] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.742388][ T1361] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.742738][ T1361] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.743071][ T1361] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.743482][ T1361] RIP: 0033:0x7f4fa1f3e1e7
[ 159.743856][ T1361] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.745068][ T1361] RSP: 002b:00007ffd5ba1b508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.745568][ T1361] RAX: ffffffffffffffda RBX: 00007ffd5ba1bc30 RCX: 00007f4fa1f3e1e7
[  159.746078][ T1361] RDX: 0000000000000000 RSI: 00007ffd5ba1b570 RDI: 0000000000000005
[  159.746582][ T1361] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.747083][ T1361] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5ba1bc68
[  159.747578][ T1361] R13: 00000000686e6c15 R14: 0000000000499600 R15: 0000000000000000
| [  159.926565][ T1363] ------------[ cut here ]------------
| [ 159.926917][ T1363] WARNING: CPU: 0 PID: 1363 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.927570][ T1363] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  159.928789][ T1363] Tainted: [W]=WARN
[  159.929039][ T1363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.929489][ T1363] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.929846][ T1363] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  159.931065][ T1363] RSP: 0018:ffffc90000fa7080 EFLAGS: 00010246
[  159.931480][ T1363] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  159.931977][ T1363] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  159.932464][ T1363] RBP: ffffc90000fa7168 R08: 0000000000000000 R09: 0000000000000000
[  159.932961][ T1363] R10: ffffc90000fa7198 R11: ffffffff96ea8918 R12: 1ffff920001f4e14
[  159.933460][ T1363] R13: 00000000000005dc R14: ffffc90000fa7198 R15: ffff888004c82f08
[  159.933961][ T1363] FS:  00007f0d55a72800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  159.934535][ T1363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.934952][ T1363] CR2: 00007f29481b0270 CR3: 000000000f188003 CR4: 0000000000772ef0
[  159.935451][ T1363] PKRU: 55555554
[  159.935704][ T1363] Call Trace:
[  159.935951][ T1363]  <TASK>
[ 159.936123][ T1363] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.936461][ T1363] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 159.936804][ T1363] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 159.937216][ T1363] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 159.937546][ T1363] netif_set_mtu (net/core/dev.c:9652) 
[ 159.937890][ T1363] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.938231][ T1363] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 159.938732][ T1363] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.938984][ T1363] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.939433][ T1363] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.939835][ T1363] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 159.940187][ T1363] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 159.940534][ T1363] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 159.940880][ T1363] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 159.941213][ T1363] ? __dev_get_by_name (net/core/dev.c:865) 
[ 159.941550][ T1363] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.941890][ T1363] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 159.942235][ T1363] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.942571][ T1363] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.942926][ T1363] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 159.943307][ T1363] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.943666][ T1363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.944017][ T1363] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.944358][ T1363] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.944718][ T1363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.945060][ T1363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.945391][ T1363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.945743][ T1363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.946094][ T1363] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.946437][ T1363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.946785][ T1363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.947158][ T1363] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.947494][ T1363] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.947844][ T1363] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 159.948189][ T1363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.948544][ T1363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.948897][ T1363] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.949243][ T1363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.949582][ T1363] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.949929][ T1363] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.950286][ T1363] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.950623][ T1363] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.951055][ T1363] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 159.951406][ T1363] ___sys_sendmsg (net/socket.c:2670) 
[ 159.951763][ T1363] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.952095][ T1363] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 159.952439][ T1363] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 159.952778][ T1363] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 159.953117][ T1363] ? __handle_mm_fault (mm/memory.c:6212) 
[ 159.953451][ T1363] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 159.953816][ T1363] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 159.954176][ T1363] __sys_sendmsg (net/socket.c:2700) 
[ 159.954530][ T1363] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.954885][ T1363] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 159.955244][ T1363] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 159.955597][ T1363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.955950][ T1363] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.956297][ T1363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.956738][ T1363] RIP: 0033:0x7f0d55c3f1e7
[ 159.957081][ T1363] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.958309][ T1363] RSP: 002b:00007ffc80ebc158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.958841][ T1363] RAX: ffffffffffffffda RBX: 00007ffc80ebc880 RCX: 00007f0d55c3f1e7
[  159.959349][ T1363] RDX: 0000000000000000 RSI: 00007ffc80ebc1c0 RDI: 0000000000000005
[  159.959860][ T1363] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  159.960368][ T1363] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc80ebc8b8
[  159.960880][ T1363] R13: 00000000686e6c15 R14: 0000000000499600 R15: 0000000000000000
| [  160.139821][ T1366] ------------[ cut here ]------------
| [ 160.140227][ T1366] WARNING: CPU: 2 PID: 1366 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.141023][ T1366] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.142375][ T1366] Tainted: [W]=WARN
[  160.142657][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.143119][ T1366] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.143502][ T1366] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.144838][ T1366] RSP: 0018:ffffc90000f37080 EFLAGS: 00010246
[  160.145320][ T1366] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  160.145904][ T1366] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  160.146465][ T1366] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000
[  160.147046][ T1366] R10: ffffc90000f37198 R11: ffffffff96ea8918 R12: 1ffff920001e6e14
[  160.147616][ T1366] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff888004c82f08
[  160.148194][ T1366] FS:  00007ffabeac1800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  160.148870][ T1366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.149350][ T1366] CR2: 00000000004a1738 CR3: 000000000a7df003 CR4: 0000000000772ef0
[  160.149915][ T1366] PKRU: 55555554
[  160.150225][ T1366] Call Trace:
[  160.150507][ T1366]  <TASK>
[ 160.150717][ T1366] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.151115][ T1366] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.151501][ T1366] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.151985][ T1366] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.152372][ T1366] netif_set_mtu (net/core/dev.c:9652) 
[ 160.152753][ T1366] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.153148][ T1366] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.153683][ T1366] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.153974][ T1366] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.154488][ T1366] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.154923][ T1366] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 160.155301][ T1366] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.155923][ T1366] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.156556][ T1366] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.156937][ T1366] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.157542][ T1366] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.157938][ T1366] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.158329][ T1366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.159045][ T1366] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.159541][ T1366] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.159941][ T1366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.160325][ T1366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.160955][ T1366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.161326][ T1366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.161712][ T1366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.162085][ T1366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.162465][ T1366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.163078][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.163458][ T1366] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.163871][ T1366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.164256][ T1366] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.164663][ T1366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.165311][ T1366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.165694][ T1366] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.166093][ T1366] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.166708][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.167090][ T1366] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.167472][ T1366] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.167854][ T1366] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.168256][ T1366] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.168658][ T1366] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.169032][ T1366] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.169513][ T1366] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.169907][ T1366] ___sys_sendmsg (net/socket.c:2670) 
[ 160.170283][ T1366] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.170671][ T1366] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.171057][ T1366] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.171687][ T1366] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.172067][ T1366] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.172452][ T1366] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.172836][ T1366] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.173226][ T1366] __sys_sendmsg (net/socket.c:2700) 
[ 160.173602][ T1366] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.173987][ T1366] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.174367][ T1366] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.174760][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.175367][ T1366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.175761][ T1366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.176232][ T1366] RIP: 0033:0x7ffabec8e1e7
[ 160.176630][ T1366] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.178422][ T1366] RSP: 002b:00007ffe5305f568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.179006][ T1366] RAX: ffffffffffffffda RBX: 00007ffe5305fc90 RCX: 00007ffabec8e1e7
[  160.179574][ T1366] RDX: 0000000000000000 RSI: 00007ffe5305f5d0 RDI: 0000000000000005
[  160.180142][ T1366] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.180719][ T1366] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe5305fcc8
[  160.181294][ T1366] R13: 00000000686e6c15 R14: 0000000000499600 R15: 0000000000000000
| [  160.341768][ T1367] ------------[ cut here ]------------
| [ 160.342168][ T1367] WARNING: CPU: 2 PID: 1367 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.342932][ T1367] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.344262][ T1367] Tainted: [W]=WARN
[  160.344535][ T1367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.345013][ T1367] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.345423][ T1367] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.346755][ T1367] RSP: 0018:ffffc90000f57080 EFLAGS: 00010246
[  160.347250][ T1367] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  160.347822][ T1367] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  160.348400][ T1367] RBP: ffffc90000f57168 R08: 0000000000000000 R09: 0000000000000000
[  160.348979][ T1367] R10: ffffc90000f57198 R11: ffffffff96ea8918 R12: 1ffff920001eae14
[  160.349553][ T1367] R13: 00000000000005dc R14: ffffc90000f57198 R15: ffff888004c82f08
[  160.350137][ T1367] FS:  00007fddfc83a800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  160.350819][ T1367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.351312][ T1367] CR2: 00000000004a1738 CR3: 000000000c22b005 CR4: 0000000000772ef0
[  160.351876][ T1367] PKRU: 55555554
[  160.352163][ T1367] Call Trace:
[  160.352453][ T1367]  <TASK>
[ 160.352665][ T1367] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.353069][ T1367] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.353457][ T1367] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.353953][ T1367] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.354350][ T1367] netif_set_mtu (net/core/dev.c:9652) 
[ 160.354752][ T1367] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.355162][ T1367] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.355706][ T1367] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.356004][ T1367] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.356555][ T1367] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.357002][ T1367] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 160.357395][ T1367] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.357807][ T1367] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.358185][ T1367] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.358579][ T1367] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.358964][ T1367] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.359363][ T1367] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.359759][ T1367] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.360156][ T1367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.360556][ T1367] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.360955][ T1367] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.361334][ T1367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.361736][ T1367] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.362124][ T1367] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.362511][ T1367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.362927][ T1367] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.363323][ T1367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.363722][ T1367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.364110][ T1367] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.364499][ T1367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.364880][ T1367] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.365272][ T1367] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.365664][ T1367] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.366061][ T1367] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.366455][ T1367] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.366857][ T1367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.367249][ T1367] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.367637][ T1367] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.368022][ T1367] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.368419][ T1367] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.368818][ T1367] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.369203][ T1367] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.369690][ T1367] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.370070][ T1367] ___sys_sendmsg (net/socket.c:2670) 
[ 160.370455][ T1367] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.370838][ T1367] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.371225][ T1367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.371600][ T1367] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.371993][ T1367] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.372367][ T1367] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.372743][ T1367] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.373128][ T1367] __sys_sendmsg (net/socket.c:2700) 
[ 160.373504][ T1367] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.373888][ T1367] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.374270][ T1367] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.374644][ T1367] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.375041][ T1367] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.375414][ T1367] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.375879][ T1367] RIP: 0033:0x7fddfca071e7
[ 160.376269][ T1367] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.377545][ T1367] RSP: 002b:00007ffdd89ac038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.378106][ T1367] RAX: ffffffffffffffda RBX: 00007ffdd89ac760 RCX: 00007fddfca071e7
[  160.378672][ T1367] RDX: 0000000000000000 RSI: 00007ffdd89ac0a0 RDI: 0000000000000005
[  160.379223][ T1367] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.379782][ T1367] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd89ac798
[  160.380327][ T1367] R13: 00000000686e6c16 R14: 0000000000499600 R15: 0000000000000000
| [  160.543460][ T1369] ------------[ cut here ]------------
| [ 160.543828][ T1369] WARNING: CPU: 0 PID: 1369 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.544500][ T1369] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.545701][ T1369] Tainted: [W]=WARN
[  160.545956][ T1369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.546374][ T1369] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.546735][ T1369] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.547918][ T1369] RSP: 0018:ffffc90000f37080 EFLAGS: 00010246
[  160.548357][ T1369] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  160.548870][ T1369] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  160.549412][ T1369] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000
[  160.549923][ T1369] R10: ffffc90000f37198 R11: ffffffff96ea8918 R12: 1ffff920001e6e14
[  160.550424][ T1369] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff888004c82f08
[  160.550928][ T1369] FS:  00007f2482572800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  160.551539][ T1369] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.551965][ T1369] CR2: 00000000004a1738 CR3: 0000000004e91004 CR4: 0000000000772ef0
[  160.552468][ T1369] PKRU: 55555554
[  160.552732][ T1369] Call Trace:
[  160.552984][ T1369]  <TASK>
[ 160.553161][ T1369] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.553507][ T1369] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.553861][ T1369] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.554281][ T1369] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.554620][ T1369] netif_set_mtu (net/core/dev.c:9652) 
[ 160.554963][ T1369] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.555315][ T1369] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.555790][ T1369] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.556052][ T1369] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.556514][ T1369] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.556909][ T1369] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 160.557247][ T1369] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.557587][ T1369] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.557939][ T1369] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.558284][ T1369] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.558640][ T1369] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.558985][ T1369] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.559329][ T1369] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.559671][ T1369] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.560015][ T1369] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.560364][ T1369] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.560719][ T1369] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.561072][ T1369] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.561417][ T1369] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.561768][ T1369] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.562107][ T1369] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.562444][ T1369] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.562796][ T1369] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.563139][ T1369] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.563472][ T1369] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.563825][ T1369] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.564171][ T1369] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.564515][ T1369] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.564868][ T1369] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.565211][ T1369] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.565545][ T1369] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.565893][ T1369] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.566245][ T1369] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.566582][ T1369] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.566928][ T1369] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.567271][ T1369] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.567606][ T1369] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.568037][ T1369] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.568391][ T1369] ___sys_sendmsg (net/socket.c:2670) 
[ 160.568744][ T1369] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.569076][ T1369] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.569412][ T1369] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.569752][ T1369] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.570097][ T1369] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.570433][ T1369] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.570781][ T1369] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.571136][ T1369] __sys_sendmsg (net/socket.c:2700) 
[ 160.571472][ T1369] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.571820][ T1369] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.572168][ T1369] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.572506][ T1369] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.572851][ T1369] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.573199][ T1369] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.573613][ T1369] RIP: 0033:0x7f248273f1e7
[ 160.573968][ T1369] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.575164][ T1369] RSP: 002b:00007ffee9a57348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.575684][ T1369] RAX: ffffffffffffffda RBX: 00007ffee9a57a70 RCX: 00007f248273f1e7
[  160.576178][ T1369] RDX: 0000000000000000 RSI: 00007ffee9a573b0 RDI: 0000000000000005
[  160.576683][ T1369] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.577181][ T1369] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee9a57aa8
[  160.577691][ T1369] R13: 00000000686e6c16 R14: 0000000000499600 R15: 0000000000000000
| [  160.778353][ T1372] ------------[ cut here ]------------
| [ 160.779006][ T1372] WARNING: CPU: 2 PID: 1372 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.780130][ T1372] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  160.782225][ T1372] Tainted: [W]=WARN
[  160.782685][ T1372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.783412][ T1372] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.784047][ T1372] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.786127][ T1372] RSP: 0018:ffffc90000f57080 EFLAGS: 00010246
[  160.786880][ T1372] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  160.787793][ T1372] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  160.788713][ T1372] RBP: ffffc90000f57168 R08: 0000000000000000 R09: 0000000000000000
[  160.789501][ T1372] R10: ffffc90000f57198 R11: ffffffff96ea8918 R12: 1ffff920001eae14
[  160.790047][ T1372] R13: 00000000000005dc R14: ffffc90000f57198 R15: ffff888004c82f08
[  160.790575][ T1372] FS:  00007f006b566800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  160.791858][ T1372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.792337][ T1372] CR2: 00000000004a1738 CR3: 000000000baa9001 CR4: 0000000000772ef0
[  160.792933][ T1372] PKRU: 55555554
[  160.793193][ T1372] Call Trace:
[  160.793445][ T1372]  <TASK>
[ 160.793626][ T1372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.793999][ T1372] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.794344][ T1372] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.794760][ T1372] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.795128][ T1372] netif_set_mtu (net/core/dev.c:9652) 
[ 160.795461][ T1372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.795815][ T1372] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.796292][ T1372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.796553][ T1372] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.797032][ T1372] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.797414][ T1372] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 160.797778][ T1372] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 160.798134][ T1372] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 160.798481][ T1372] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 160.798838][ T1372] ? __dev_get_by_name (net/core/dev.c:865) 
[ 160.799216][ T1372] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.799550][ T1372] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 160.799924][ T1372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.800263][ T1372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.800607][ T1372] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 160.800969][ T1372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.801314][ T1372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.801672][ T1372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.802008][ T1372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.802347][ T1372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.802686][ T1372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.803022][ T1372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.803355][ T1372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.803707][ T1372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.804081][ T1372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.804415][ T1372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.804769][ T1372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.805106][ T1372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.805445][ T1372] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.805791][ T1372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.806139][ T1372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.806479][ T1372] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.806838][ T1372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.807179][ T1372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.807524][ T1372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.807879][ T1372] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.808221][ T1372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.808656][ T1372] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 160.809032][ T1372] ___sys_sendmsg (net/socket.c:2670) 
[ 160.809370][ T1372] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.809715][ T1372] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 160.810054][ T1372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 160.810382][ T1372] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 160.810733][ T1372] ? __handle_mm_fault (mm/memory.c:6212) 
[ 160.811063][ T1372] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 160.811397][ T1372] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 160.811763][ T1372] __sys_sendmsg (net/socket.c:2700) 
[ 160.812101][ T1372] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.812437][ T1372] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 160.812785][ T1372] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 160.813133][ T1372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.813467][ T1372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.813813][ T1372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.814264][ T1372] RIP: 0033:0x7f006b7331e7
[ 160.814608][ T1372] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.815775][ T1372] RSP: 002b:00007fff5af74708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.816287][ T1372] RAX: ffffffffffffffda RBX: 00007fff5af74e30 RCX: 00007f006b7331e7
[  160.816801][ T1372] RDX: 0000000000000000 RSI: 00007fff5af74770 RDI: 0000000000000005
[  160.817302][ T1372] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  160.817802][ T1372] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff5af74e68
[  160.818307][ T1372] R13: 00000000686e6c16 R14: 0000000000499600 R15: 0000000000000000
| [  161.027252][ T1374] ------------[ cut here ]------------
| [ 161.027853][ T1374] WARNING: CPU: 0 PID: 1374 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.028599][ T1374] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.030619][ T1374] Tainted: [W]=WARN
[  161.031067][ T1374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.031807][ T1374] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.032401][ T1374] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  161.034478][ T1374] RSP: 0018:ffffc90000f57080 EFLAGS: 00010246
[  161.035227][ T1374] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  161.036115][ T1374] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  161.036993][ T1374] RBP: ffffc90000f57168 R08: 0000000000000000 R09: 0000000000000000
[  161.037861][ T1374] R10: ffffc90000f57198 R11: ffffffff96ea8918 R12: 1ffff920001eae14
[  161.038748][ T1374] R13: 00000000000005dc R14: ffffc90000f57198 R15: ffff888004c82f08
[  161.039625][ T1374] FS:  00007f9b39ccd800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  161.040634][ T1374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.041370][ T1374] CR2: 00000000004a1738 CR3: 00000000097ae006 CR4: 0000000000772ef0
[  161.042243][ T1374] PKRU: 55555554
[  161.042618][ T1374] Call Trace:
[  161.043058][ T1374]  <TASK>
[ 161.043356][ T1374] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.043975][ T1374] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.044556][ T1374] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.045288][ T1374] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.045883][ T1374] netif_set_mtu (net/core/dev.c:9652) 
[ 161.046472][ T1374] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.047087][ T1374] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.047908][ T1374] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.048359][ T1374] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.049160][ T1374] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.049836][ T1374] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 161.050425][ T1374] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.051003][ T1374] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.051586][ T1374] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.052185][ T1374] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.052780][ T1374] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.053362][ T1374] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.053964][ T1374] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.054530][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.055124][ T1374] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.055728][ T1374] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.056311][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.056919][ T1374] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.057491][ T1374] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.058091][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.058692][ T1374] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.059278][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.059882][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.060464][ T1374] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.061055][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.061641][ T1374] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.062257][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.062844][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.063427][ T1374] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 161.064025][ T1374] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.064590][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.065196][ T1374] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.065790][ T1374] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.066363][ T1374] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.066956][ T1374] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.067291][ T1374] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.067628][ T1374] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.068046][ T1374] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.068391][ T1374] ___sys_sendmsg (net/socket.c:2670) 
[ 161.068796][ T1374] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.069127][ T1374] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.069458][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.069790][ T1374] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.070120][ T1374] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.070452][ T1374] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.070776][ T1374] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.071120][ T1374] __sys_sendmsg (net/socket.c:2700) 
[ 161.071443][ T1374] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.071769][ T1374] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.072112][ T1374] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.072438][ T1374] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.072777][ T1374] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.073101][ T1374] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.073497][ T1374] RIP: 0033:0x7f9b39e9a1e7
[ 161.073833][ T1374] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.074977][ T1374] RSP: 002b:00007fffb6610eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.075469][ T1374] RAX: ffffffffffffffda RBX: 00007fffb66115e0 RCX: 00007f9b39e9a1e7
[  161.075958][ T1374] RDX: 0000000000000000 RSI: 00007fffb6610f20 RDI: 0000000000000005
[  161.076441][ T1374] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.076931][ T1374] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb6611618
[  161.077410][ T1374] R13: 00000000686e6c16 R14: 0000000000499600 R15: 0000000000000000
| [  161.247826][ T1375] ------------[ cut here ]------------
| [ 161.248149][ T1375] WARNING: CPU: 0 PID: 1375 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.248863][ T1375] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.250024][ T1375] Tainted: [W]=WARN
[  161.250266][ T1375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.250676][ T1375] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.251011][ T1375] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  161.252166][ T1375] RSP: 0018:ffffc90000fd7080 EFLAGS: 00010246
[  161.252574][ T1375] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  161.253060][ T1375] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  161.253549][ T1375] RBP: ffffc90000fd7168 R08: 0000000000000000 R09: 0000000000000000
[  161.254041][ T1375] R10: ffffc90000fd7198 R11: ffffffff96ea8918 R12: 1ffff920001fae14
[  161.254536][ T1375] R13: 00000000000005dc R14: ffffc90000fd7198 R15: ffff888004c82f08
[  161.255026][ T1375] FS:  00007ff1d1c11800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  161.255591][ T1375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.256013][ T1375] CR2: 00000000004a1738 CR3: 000000000fdb4002 CR4: 0000000000772ef0
[  161.256502][ T1375] PKRU: 55555554
[  161.256757][ T1375] Call Trace:
[  161.257008][ T1375]  <TASK>
[ 161.257176][ T1375] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.257516][ T1375] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.257871][ T1375] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.258280][ T1375] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.258615][ T1375] netif_set_mtu (net/core/dev.c:9652) 
[ 161.258943][ T1375] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.259276][ T1375] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.259733][ T1375] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.259976][ T1375] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.260407][ T1375] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.260777][ T1375] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 161.261131][ T1375] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.261463][ T1375] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.261795][ T1375] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.262129][ T1375] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.262476][ T1375] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.262813][ T1375] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.263145][ T1375] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.263469][ T1375] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.263801][ T1375] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.264128][ T1375] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.264454][ T1375] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.264791][ T1375] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.265112][ T1375] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.265433][ T1375] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.265761][ T1375] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.266081][ T1375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.266403][ T1375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.266734][ T1375] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.267057][ T1375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.267382][ T1375] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.267726][ T1375] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.268042][ T1375] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.268373][ T1375] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 161.268709][ T1375] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.269043][ T1375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.269366][ T1375] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.269698][ T1375] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.270017][ T1375] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.270343][ T1375] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.270673][ T1375] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.270987][ T1375] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.271391][ T1375] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.271723][ T1375] ___sys_sendmsg (net/socket.c:2670) 
[ 161.272042][ T1375] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.272356][ T1375] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.272682][ T1375] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.272996][ T1375] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.273318][ T1375] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.273659][ T1375] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.273973][ T1375] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.274306][ T1375] __sys_sendmsg (net/socket.c:2700) 
[ 161.274622][ T1375] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.274944][ T1375] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.275269][ T1375] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.275594][ T1375] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.275921][ T1375] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.276245][ T1375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.276636][ T1375] RIP: 0033:0x7ff1d1dde1e7
[ 161.276975][ T1375] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.278117][ T1375] RSP: 002b:00007ffe47e533a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.278613][ T1375] RAX: ffffffffffffffda RBX: 00007ffe47e53ad0 RCX: 00007ff1d1dde1e7
[  161.279113][ T1375] RDX: 0000000000000000 RSI: 00007ffe47e53410 RDI: 0000000000000005
[  161.279592][ T1375] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.280098][ T1375] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe47e53b08
[  161.280574][ T1375] R13: 00000000686e6c17 R14: 0000000000499600 R15: 0000000000000000
| [  161.457095][ T1377] ------------[ cut here ]------------
| [ 161.457419][ T1377] WARNING: CPU: 3 PID: 1377 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.458162][ T1377] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.459983][ T1377] Tainted: [W]=WARN
[  161.460231][ T1377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.460637][ T1377] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.461009][ T1377] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  161.462173][ T1377] RSP: 0018:ffffc90000fc7080 EFLAGS: 00010246
[  161.462591][ T1377] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  161.463079][ T1377] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  161.463565][ T1377] RBP: ffffc90000fc7168 R08: 0000000000000000 R09: 0000000000000000
[  161.464056][ T1377] R10: ffffc90000fc7198 R11: ffffffff96ea8918 R12: 1ffff920001f8e14
[  161.464537][ T1377] R13: 00000000000005dc R14: ffffc90000fc7198 R15: ffff888004c82f08
[  161.465028][ T1377] FS:  00007fd453c27800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  161.465599][ T1377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.466013][ T1377] CR2: 00000000004a1738 CR3: 00000000090f6002 CR4: 0000000000772ef0
[  161.466584][ T1377] PKRU: 55555554
[  161.466837][ T1377] Call Trace:
[  161.467081][ T1377]  <TASK>
[ 161.467252][ T1377] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.467591][ T1377] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.467924][ T1377] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.468352][ T1377] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.468701][ T1377] netif_set_mtu (net/core/dev.c:9652) 
[ 161.469026][ T1377] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.469386][ T1377] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.469875][ T1377] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.470131][ T1377] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.470605][ T1377] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.470994][ T1377] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 161.471319][ T1377] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.471643][ T1377] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.471983][ T1377] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.472331][ T1377] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.472671][ T1377] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.472990][ T1377] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.473367][ T1377] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.473705][ T1377] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.474048][ T1377] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.474385][ T1377] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.474725][ T1377] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.475068][ T1377] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.475387][ T1377] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.475722][ T1377] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.476045][ T1377] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.476368][ T1377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.476728][ T1377] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.477086][ T1377] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.477422][ T1377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.477777][ T1377] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.478130][ T1377] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.478491][ T1377] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.478826][ T1377] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 161.479155][ T1377] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.479476][ T1377] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.479817][ T1377] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.480145][ T1377] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.480499][ T1377] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.480854][ T1377] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.481194][ T1377] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.481544][ T1377] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.481991][ T1377] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.482358][ T1377] ___sys_sendmsg (net/socket.c:2670) 
[ 161.482729][ T1377] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.483069][ T1377] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.483420][ T1377] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.483767][ T1377] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.484115][ T1377] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.484470][ T1377] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.484833][ T1377] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.485203][ T1377] __sys_sendmsg (net/socket.c:2700) 
[ 161.485541][ T1377] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.485872][ T1377] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.486207][ T1377] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.486560][ T1377] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.486915][ T1377] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.487263][ T1377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.487676][ T1377] RIP: 0033:0x7fd453df41e7
[ 161.488012][ T1377] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.489208][ T1377] RSP: 002b:00007ffe21b70988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.489718][ T1377] RAX: ffffffffffffffda RBX: 00007ffe21b710b0 RCX: 00007fd453df41e7
[  161.490234][ T1377] RDX: 0000000000000000 RSI: 00007ffe21b709f0 RDI: 0000000000000005
[  161.490739][ T1377] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.491237][ T1377] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe21b710e8
[  161.491770][ T1377] R13: 00000000686e6c17 R14: 0000000000499600 R15: 0000000000000000
| [  161.661125][ T1379] ------------[ cut here ]------------
| [ 161.661444][ T1379] WARNING: CPU: 3 PID: 1379 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.662122][ T1379] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.663282][ T1379] Tainted: [W]=WARN
[  161.663527][ T1379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.663937][ T1379] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.664284][ T1379] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  161.665569][ T1379] RSP: 0018:ffffc90000fc7080 EFLAGS: 00010246
[  161.666007][ T1379] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  161.666500][ T1379] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  161.667002][ T1379] RBP: ffffc90000fc7168 R08: 0000000000000000 R09: 0000000000000000
[  161.667488][ T1379] R10: ffffc90000fc7198 R11: ffffffff96ea8918 R12: 1ffff920001f8e14
[  161.667988][ T1379] R13: 00000000000005dc R14: ffffc90000fc7198 R15: ffff888004c82f08
[  161.668486][ T1379] FS:  00007f7b41473800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  161.669085][ T1379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.669515][ T1379] CR2: 00000000004a1738 CR3: 000000000cab1001 CR4: 0000000000772ef0
[  161.670033][ T1379] PKRU: 55555554
[  161.670284][ T1379] Call Trace:
[  161.670536][ T1379]  <TASK>
[ 161.670736][ T1379] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.671079][ T1379] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.671402][ T1379] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.671828][ T1379] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.672166][ T1379] netif_set_mtu (net/core/dev.c:9652) 
[ 161.672492][ T1379] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.672861][ T1379] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.673329][ T1379] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.673602][ T1379] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.674079][ T1379] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.674460][ T1379] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 161.674816][ T1379] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.675143][ T1379] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.675474][ T1379] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.675802][ T1379] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.676128][ T1379] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.676457][ T1379] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.676798][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.677136][ T1379] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.677468][ T1379] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.677821][ T1379] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.678166][ T1379] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.678524][ T1379] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.678866][ T1379] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.679199][ T1379] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.679526][ T1379] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.679874][ T1379] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.680209][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.680550][ T1379] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.680897][ T1379] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.681241][ T1379] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.681608][ T1379] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.681971][ T1379] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.682326][ T1379] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 161.682675][ T1379] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.683003][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.683350][ T1379] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.683700][ T1379] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.684034][ T1379] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.684377][ T1379] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.684722][ T1379] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.685047][ T1379] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.685453][ T1379] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.685798][ T1379] ___sys_sendmsg (net/socket.c:2670) 
[ 161.686222][ T1379] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.686555][ T1379] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.686905][ T1379] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.687227][ T1379] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.687563][ T1379] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.687902][ T1379] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.688232][ T1379] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.688611][ T1379] __sys_sendmsg (net/socket.c:2700) 
[ 161.688957][ T1379] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.689281][ T1379] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.689661][ T1379] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.690002][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.690346][ T1379] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.690683][ T1379] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.691092][ T1379] RIP: 0033:0x7f7b416401e7
[ 161.691429][ T1379] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.692623][ T1379] RSP: 002b:00007ffd0d319938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.693144][ T1379] RAX: ffffffffffffffda RBX: 00007ffd0d31a060 RCX: 00007f7b416401e7
[  161.693634][ T1379] RDX: 0000000000000000 RSI: 00007ffd0d3199a0 RDI: 0000000000000005
[  161.694128][ T1379] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.694659][ T1379] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0d31a098
[  161.695164][ T1379] R13: 00000000686e6c17 R14: 0000000000499600 R15: 0000000000000000
| [  161.837288][ T1382] ------------[ cut here ]------------
| [ 161.837616][ T1382] WARNING: CPU: 3 PID: 1382 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  161.838377][ T1382] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  161.839600][ T1382] Tainted: [W]=WARN
[  161.839874][ T1382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.840274][ T1382] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 161.840637][ T1382] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  161.841800][ T1382] RSP: 0018:ffffc90000fc7080 EFLAGS: 00010246
[  161.842220][ T1382] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  161.842718][ T1382] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  161.843196][ T1382] RBP: ffffc90000fc7168 R08: 0000000000000000 R09: 0000000000000000
[  161.843721][ T1382] R10: ffffc90000fc7198 R11: ffffffff96ea8918 R12: 1ffff920001f8e14
[  161.844241][ T1382] R13: 00000000000005dc R14: ffffc90000fc7198 R15: ffff888004c82f08
[  161.844758][ T1382] FS:  00007f460235d800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  161.845330][ T1382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.845744][ T1382] CR2: 00000000004a1738 CR3: 000000000fc61003 CR4: 0000000000772ef0
[  161.846231][ T1382] PKRU: 55555554
[  161.846476][ T1382] Call Trace:
[  161.846728][ T1382]  <TASK>
[ 161.846904][ T1382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 161.847238][ T1382] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 161.847565][ T1382] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 161.847974][ T1382] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 161.848308][ T1382] netif_set_mtu (net/core/dev.c:9652) 
[ 161.848629][ T1382] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 161.848969][ T1382] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 161.849429][ T1382] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 161.849703][ T1382] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 161.850146][ T1382] br_add_if (net/bridge/br_if.c:697) bridge 
[ 161.850540][ T1382] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 161.850898][ T1382] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 161.851222][ T1382] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 161.851549][ T1382] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 161.851879][ T1382] ? __dev_get_by_name (net/core/dev.c:865) 
[ 161.852209][ T1382] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.852546][ T1382] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 161.852887][ T1382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 161.853233][ T1382] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.853563][ T1382] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 161.853911][ T1382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 161.854260][ T1382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.854594][ T1382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 161.854924][ T1382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 161.855254][ T1382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 161.855586][ T1382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 161.855948][ T1382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.856294][ T1382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.856635][ T1382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 161.856995][ T1382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 161.857335][ T1382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 161.857730][ T1382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 161.858072][ T1382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 161.858425][ T1382] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 161.858792][ T1382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 161.859142][ T1382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 161.859485][ T1382] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 161.859836][ T1382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 161.860188][ T1382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 161.860538][ T1382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 161.860899][ T1382] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 161.861234][ T1382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 161.861678][ T1382] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 161.862043][ T1382] ___sys_sendmsg (net/socket.c:2670) 
[ 161.862413][ T1382] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 161.862781][ T1382] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 161.863111][ T1382] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 161.863440][ T1382] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 161.863798][ T1382] ? __handle_mm_fault (mm/memory.c:6212) 
[ 161.864158][ T1382] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 161.864490][ T1382] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 161.864853][ T1382] __sys_sendmsg (net/socket.c:2700) 
[ 161.865179][ T1382] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 161.865499][ T1382] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 161.865846][ T1382] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 161.866171][ T1382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 161.866505][ T1382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 161.866860][ T1382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.867264][ T1382] RIP: 0033:0x7f460252a1e7
[ 161.867599][ T1382] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  161.868771][ T1382] RSP: 002b:00007ffe57ac17d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  161.869259][ T1382] RAX: ffffffffffffffda RBX: 00007ffe57ac1f00 RCX: 00007f460252a1e7
[  161.869757][ T1382] RDX: 0000000000000000 RSI: 00007ffe57ac1840 RDI: 0000000000000005
[  161.870266][ T1382] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  161.870774][ T1382] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe57ac1f38
[  161.871267][ T1382] R13: 00000000686e6c17 R14: 0000000000499600 R15: 0000000000000000
| [  162.065669][ T1383] ------------[ cut here ]------------
| [ 162.066008][ T1383] WARNING: CPU: 3 PID: 1383 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.066751][ T1383] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.068008][ T1383] Tainted: [W]=WARN
[  162.068281][ T1383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.068718][ T1383] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.069070][ T1383] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  162.070278][ T1383] RSP: 0018:ffffc90000fc7080 EFLAGS: 00010246
[  162.070703][ T1383] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  162.071207][ T1383] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  162.071724][ T1383] RBP: ffffc90000fc7168 R08: 0000000000000000 R09: 0000000000000000
[  162.072235][ T1383] R10: ffffc90000fc7198 R11: ffffffff96ea8918 R12: 1ffff920001f8e14
[  162.072742][ T1383] R13: 00000000000005dc R14: ffffc90000fc7198 R15: ffff888004c82f08
[  162.073253][ T1383] FS:  00007fec634e0800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  162.073848][ T1383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.074281][ T1383] CR2: 00000000004a1738 CR3: 000000000fed9001 CR4: 0000000000772ef0
[  162.074791][ T1383] PKRU: 55555554
[  162.075035][ T1383] Call Trace:
[  162.075282][ T1383]  <TASK>
[ 162.075450][ T1383] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.075791][ T1383] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.076120][ T1383] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.076522][ T1383] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.076866][ T1383] netif_set_mtu (net/core/dev.c:9652) 
[ 162.077201][ T1383] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.077565][ T1383] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.078043][ T1383] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.078318][ T1383] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.078833][ T1383] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.079236][ T1383] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 162.079576][ T1383] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.079923][ T1383] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.080272][ T1383] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.080606][ T1383] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.080956][ T1383] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.081279][ T1383] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.081610][ T1383] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.081973][ T1383] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.082331][ T1383] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.082680][ T1383] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.083032][ T1383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.083378][ T1383] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.083809][ T1383] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.084142][ T1383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.084468][ T1383] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.084802][ T1383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.085140][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.085503][ T1383] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.085877][ T1383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.086214][ T1383] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.086574][ T1383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.086933][ T1383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.087268][ T1383] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.087604][ T1383] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.087974][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.088336][ T1383] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.088685][ T1383] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.089014][ T1383] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.089376][ T1383] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.089750][ T1383] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.090105][ T1383] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.090518][ T1383] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.090857][ T1383] ___sys_sendmsg (net/socket.c:2670) 
[ 162.091203][ T1383] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.091555][ T1383] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.091905][ T1383] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.092256][ T1383] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.092615][ T1383] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.092973][ T1383] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.093317][ T1383] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.093686][ T1383] __sys_sendmsg (net/socket.c:2700) 
[ 162.094017][ T1383] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.094338][ T1383] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.094704][ T1383] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.095044][ T1383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.095623][ T1383] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.096194][ T1383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.096605][ T1383] RIP: 0033:0x7fec636ad1e7
[ 162.096948][ T1383] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.098716][ T1383] RSP: 002b:00007ffe7e67d428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.099217][ T1383] RAX: ffffffffffffffda RBX: 00007ffe7e67db50 RCX: 00007fec636ad1e7
[  162.099708][ T1383] RDX: 0000000000000000 RSI: 00007ffe7e67d490 RDI: 0000000000000005
[  162.100671][ T1383] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.101390][ T1383] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7e67db88
[  162.101900][ T1383] R13: 00000000686e6c17 R14: 0000000000499600 R15: 0000000000000000
| [  162.250972][ T1386] ------------[ cut here ]------------
| [ 162.251305][ T1386] WARNING: CPU: 3 PID: 1386 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.252013][ T1386] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.253223][ T1386] Tainted: [W]=WARN
[  162.253487][ T1386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.253907][ T1386] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.254249][ T1386] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  162.255429][ T1386] RSP: 0018:ffffc90000fc7080 EFLAGS: 00010246
[  162.255850][ T1386] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  162.256342][ T1386] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  162.256838][ T1386] RBP: ffffc90000fc7168 R08: 0000000000000000 R09: 0000000000000000
[  162.257333][ T1386] R10: ffffc90000fc7198 R11: ffffffff96ea8918 R12: 1ffff920001f8e14
[  162.257828][ T1386] R13: 00000000000005dc R14: ffffc90000fc7198 R15: ffff888004c82f08
[  162.258327][ T1386] FS:  00007f185cd46800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  162.258904][ T1386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.259326][ T1386] CR2: 00000000004a1738 CR3: 000000000ca7c004 CR4: 0000000000772ef0
[  162.259817][ T1386] PKRU: 55555554
[  162.260062][ T1386] Call Trace:
[  162.260306][ T1386]  <TASK>
[ 162.260479][ T1386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.260834][ T1386] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.261170][ T1386] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.261580][ T1386] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.261917][ T1386] netif_set_mtu (net/core/dev.c:9652) 
[ 162.262255][ T1386] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.262618][ T1386] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.263092][ T1386] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.263341][ T1386] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.263812][ T1386] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.264195][ T1386] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 162.264523][ T1386] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.264875][ T1386] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.265207][ T1386] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.265525][ T1386] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.265863][ T1386] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.266194][ T1386] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.266525][ T1386] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.266859][ T1386] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.267201][ T1386] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.267534][ T1386] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.267876][ T1386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.268213][ T1386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.268545][ T1386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.268892][ T1386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.269222][ T1386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.269555][ T1386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.270089][ T1386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.270421][ T1386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.270897][ T1386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.271221][ T1386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.271553][ T1386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.271928][ T1386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.272255][ T1386] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.272606][ T1386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.272944][ T1386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.273273][ T1386] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.273601][ T1386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.273934][ T1386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.274272][ T1386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.274614][ T1386] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.274952][ T1386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.275365][ T1386] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.275712][ T1386] ___sys_sendmsg (net/socket.c:2670) 
[ 162.276038][ T1386] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.276360][ T1386] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.276696][ T1386] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.277025][ T1386] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.277354][ T1386] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.277692][ T1386] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.278014][ T1386] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.278368][ T1386] __sys_sendmsg (net/socket.c:2700) 
[ 162.278709][ T1386] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.279030][ T1386] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.279361][ T1386] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.279700][ T1386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.280040][ T1386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.280380][ T1386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.280805][ T1386] RIP: 0033:0x7f185cf131e7
[ 162.281141][ T1386] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.282300][ T1386] RSP: 002b:00007ffce194c798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.282799][ T1386] RAX: ffffffffffffffda RBX: 00007ffce194cec0 RCX: 00007f185cf131e7
[  162.283286][ T1386] RDX: 0000000000000000 RSI: 00007ffce194c800 RDI: 0000000000000005
[  162.283786][ T1386] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.284276][ T1386] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffce194cef8
[  162.284769][ T1386] R13: 00000000686e6c18 R14: 0000000000499600 R15: 0000000000000000
| [  162.434160][ T1387] ------------[ cut here ]------------
| [ 162.434505][ T1387] WARNING: CPU: 2 PID: 1387 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.435241][ T1387] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.436602][ T1387] Tainted: [W]=WARN
[  162.436881][ T1387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.437297][ T1387] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.437660][ T1387] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  162.438867][ T1387] RSP: 0018:ffffc90000fc7080 EFLAGS: 00010246
[  162.439294][ T1387] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  162.439808][ T1387] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  162.440312][ T1387] RBP: ffffc90000fc7168 R08: 0000000000000000 R09: 0000000000000000
[  162.440821][ T1387] R10: ffffc90000fc7198 R11: ffffffff96ea8918 R12: 1ffff920001f8e14
[  162.441346][ T1387] R13: 00000000000005dc R14: ffffc90000fc7198 R15: ffff888004c82f08
[  162.441853][ T1387] FS:  00007f5f2c97b800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  162.442434][ T1387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.442860][ T1387] CR2: 00000000004a1738 CR3: 000000000fda1005 CR4: 0000000000772ef0
[  162.443357][ T1387] PKRU: 55555554
[  162.443620][ T1387] Call Trace:
[  162.443885][ T1387]  <TASK>
[ 162.444067][ T1387] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.444409][ T1387] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.444762][ T1387] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.445178][ T1387] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.445512][ T1387] netif_set_mtu (net/core/dev.c:9652) 
[ 162.445859][ T1387] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.446203][ T1387] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.446684][ T1387] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.446942][ T1387] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.447395][ T1387] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.447787][ T1387] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 162.448121][ T1387] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.448490][ T1387] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.448838][ T1387] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.449167][ T1387] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.449497][ T1387] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.449838][ T1387] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.450174][ T1387] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.450501][ T1387] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.450848][ T1387] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.451200][ T1387] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.451538][ T1387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.451908][ T1387] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.452250][ T1387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.452586][ T1387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.452944][ T1387] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.453281][ T1387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.453622][ T1387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.453973][ T1387] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.454308][ T1387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.454637][ T1387] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.455024][ T1387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.455367][ T1387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.455713][ T1387] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.456059][ T1387] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.456402][ T1387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.456765][ T1387] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.457109][ T1387] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.457459][ T1387] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.457819][ T1387] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.458162][ T1387] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.458513][ T1387] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.458949][ T1387] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.459297][ T1387] ___sys_sendmsg (net/socket.c:2670) 
[ 162.459639][ T1387] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.459984][ T1387] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.460320][ T1387] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.460672][ T1387] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.461014][ T1387] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.461344][ T1387] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.461689][ T1387] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.462042][ T1387] __sys_sendmsg (net/socket.c:2700) 
[ 162.462378][ T1387] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.462730][ T1387] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.463084][ T1387] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.463425][ T1387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.463767][ T1387] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.464106][ T1387] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.464512][ T1387] RIP: 0033:0x7f5f2cb481e7
[ 162.464871][ T1387] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.466033][ T1387] RSP: 002b:00007ffe59eb4908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.466535][ T1387] RAX: ffffffffffffffda RBX: 00007ffe59eb5030 RCX: 00007f5f2cb481e7
[  162.467039][ T1387] RDX: 0000000000000000 RSI: 00007ffe59eb4970 RDI: 0000000000000005
[  162.467790][ T1387] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.468308][ T1387] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe59eb5068
[  162.469044][ T1387] R13: 00000000686e6c18 R14: 0000000000499600 R15: 0000000000000000
| [  162.648187][ T1390] ------------[ cut here ]------------
| [ 162.648549][ T1390] WARNING: CPU: 3 PID: 1390 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.649285][ T1390] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.650474][ T1390] Tainted: [W]=WARN
[  162.650732][ T1390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.651144][ T1390] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.651476][ T1390] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  162.652640][ T1390] RSP: 0018:ffffc90001037080 EFLAGS: 00010246
[  162.653062][ T1390] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  162.653562][ T1390] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  162.654081][ T1390] RBP: ffffc90001037168 R08: 0000000000000000 R09: 0000000000000000
[  162.654583][ T1390] R10: ffffc90001037198 R11: ffffffff96ea8918 R12: 1ffff92000206e14
[  162.655075][ T1390] R13: 00000000000005dc R14: ffffc90001037198 R15: ffff888004c82f08
[  162.655566][ T1390] FS:  00007f9ef5c21800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  162.656146][ T1390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.656564][ T1390] CR2: 00000000004a1738 CR3: 000000000960a004 CR4: 0000000000772ef0
[  162.657060][ T1390] PKRU: 55555554
[  162.657305][ T1390] Call Trace:
[  162.657557][ T1390]  <TASK>
[ 162.657737][ T1390] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.658075][ T1390] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.658417][ T1390] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.658842][ T1390] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.659173][ T1390] netif_set_mtu (net/core/dev.c:9652) 
[ 162.659498][ T1390] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.659856][ T1390] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.660313][ T1390] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.660573][ T1390] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.661025][ T1390] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.661414][ T1390] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 162.661744][ T1390] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.662071][ T1390] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.662396][ T1390] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.662744][ T1390] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.663076][ T1390] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.663400][ T1390] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.663765][ T1390] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.664137][ T1390] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.664474][ T1390] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.664826][ T1390] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.665178][ T1390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.665527][ T1390] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.665863][ T1390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.666189][ T1390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.666523][ T1390] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.666874][ T1390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.667225][ T1390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.667576][ T1390] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.667920][ T1390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.668274][ T1390] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.668625][ T1390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.668974][ T1390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.669311][ T1390] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.669658][ T1390] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.669993][ T1390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.670330][ T1390] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.670673][ T1390] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.671010][ T1390] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.671354][ T1390] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.671709][ T1390] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.672044][ T1390] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.672467][ T1390] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.672820][ T1390] ___sys_sendmsg (net/socket.c:2670) 
[ 162.673153][ T1390] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.673491][ T1390] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.673834][ T1390] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.674162][ T1390] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.674507][ T1390] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.674845][ T1390] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.675173][ T1390] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.675520][ T1390] __sys_sendmsg (net/socket.c:2700) 
[ 162.675881][ T1390] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.676209][ T1390] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.676559][ T1390] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.676895][ T1390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.677224][ T1390] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.677549][ T1390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.677982][ T1390] RIP: 0033:0x7f9ef5dee1e7
[ 162.678334][ T1390] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.679532][ T1390] RSP: 002b:00007fff19f691e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.680060][ T1390] RAX: ffffffffffffffda RBX: 00007fff19f69910 RCX: 00007f9ef5dee1e7
[  162.680560][ T1390] RDX: 0000000000000000 RSI: 00007fff19f69250 RDI: 0000000000000005
[  162.681068][ T1390] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.681589][ T1390] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff19f69948
[  162.682095][ T1390] R13: 00000000686e6c18 R14: 0000000000499600 R15: 0000000000000000
| [  162.848379][ T1391] ------------[ cut here ]------------
| [ 162.848799][ T1391] WARNING: CPU: 1 PID: 1391 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  162.849442][ T1391] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  162.850597][ T1391] Tainted: [W]=WARN
[  162.851003][ T1391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.851409][ T1391] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 162.851907][ T1391] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  162.853223][ T1391] RSP: 0018:ffffc90001037080 EFLAGS: 00010246
[  162.853633][ T1391] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  162.854261][ T1391] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  162.854884][ T1391] RBP: ffffc90001037168 R08: 0000000000000000 R09: 0000000000000000
[  162.855370][ T1391] R10: ffffc90001037198 R11: ffffffff96ea8918 R12: 1ffff92000206e14
[  162.856016][ T1391] R13: 00000000000005dc R14: ffffc90001037198 R15: ffff888004c82f08
[  162.856504][ T1391] FS:  00007f9b58867800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  162.857238][ T1391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.857639][ T1391] CR2: 00000000004a1738 CR3: 000000000c3d9001 CR4: 0000000000772ef0
[  162.858278][ T1391] PKRU: 55555554
[  162.858534][ T1391] Call Trace:
[  162.858796][ T1391]  <TASK>
[ 162.858966][ T1391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.859296][ T1391] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 162.859625][ T1391] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 162.860039][ T1391] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 162.860364][ T1391] netif_set_mtu (net/core/dev.c:9652) 
[ 162.860701][ T1391] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.861037][ T1391] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 162.861485][ T1391] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.861734][ T1391] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 162.862168][ T1391] br_add_if (net/bridge/br_if.c:697) bridge 
[ 162.862533][ T1391] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 162.862862][ T1391] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.863190][ T1391] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.863509][ T1391] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.863833][ T1391] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.864148][ T1391] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.864468][ T1391] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.864807][ T1391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.865134][ T1391] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.865477][ T1391] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.865834][ T1391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.866179][ T1391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.866525][ T1391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.866867][ T1391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.867202][ T1391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.867519][ T1391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.867872][ T1391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.868223][ T1391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.868574][ T1391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.868933][ T1391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.869269][ T1391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.869612][ T1391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.869961][ T1391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 162.870300][ T1391] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.870636][ T1391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.870988][ T1391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.871326][ T1391] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.871680][ T1391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.872019][ T1391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.872345][ T1391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.872699][ T1391] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.873050][ T1391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.873479][ T1391] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 162.873843][ T1391] ___sys_sendmsg (net/socket.c:2670) 
[ 162.874188][ T1391] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.874520][ T1391] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 162.874868][ T1391] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.875197][ T1391] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 162.875529][ T1391] ? __handle_mm_fault (mm/memory.c:6212) 
[ 162.875867][ T1391] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 162.876183][ T1391] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 162.876518][ T1391] __sys_sendmsg (net/socket.c:2700) 
[ 162.876848][ T1391] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.877166][ T1391] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 162.877518][ T1391] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 162.877848][ T1391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.878167][ T1391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.878494][ T1391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.878894][ T1391] RIP: 0033:0x7f9b58a341e7
[ 162.879237][ T1391] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  162.880387][ T1391] RSP: 002b:00007ffd598ffa18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.880893][ T1391] RAX: ffffffffffffffda RBX: 00007ffd59900140 RCX: 00007f9b58a341e7
[  162.881369][ T1391] RDX: 0000000000000000 RSI: 00007ffd598ffa80 RDI: 0000000000000005
[  162.881885][ T1391] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  162.882379][ T1391] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd59900178
[  162.882877][ T1391] R13: 00000000686e6c18 R14: 0000000000499600 R15: 0000000000000000
| [  163.048171][ T1393] ------------[ cut here ]------------
| [ 163.048519][ T1393] WARNING: CPU: 1 PID: 1393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.049519][ T1393] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.050752][ T1393] Tainted: [W]=WARN
[  163.051004][ T1393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.051431][ T1393] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.051793][ T1393] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  163.053025][ T1393] RSP: 0000:ffffc90001037080 EFLAGS: 00010246
[  163.053431][ T1393] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  163.053935][ T1393] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  163.054495][ T1393] RBP: ffffc90001037168 R08: 0000000000000000 R09: 0000000000000000
[  163.055033][ T1393] R10: ffffc90001037198 R11: ffffffff96ea8918 R12: 1ffff92000206e14
[  163.055543][ T1393] R13: 00000000000005dc R14: ffffc90001037198 R15: ffff888004c82f08
[  163.056063][ T1393] FS:  00007fd212111800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  163.056668][ T1393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.057099][ T1393] CR2: 00007f8bd11a6b30 CR3: 000000000b73f004 CR4: 0000000000772ef0
[  163.057600][ T1393] PKRU: 55555554
[  163.057883][ T1393] Call Trace:
[  163.058147][ T1393]  <TASK>
[ 163.058330][ T1393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.058705][ T1393] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.059052][ T1393] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.059486][ T1393] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.059839][ T1393] netif_set_mtu (net/core/dev.c:9652) 
[ 163.060186][ T1393] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.060527][ T1393] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.061000][ T1393] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.061254][ T1393] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.061716][ T1393] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.062109][ T1393] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 163.062440][ T1393] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.062804][ T1393] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.063134][ T1393] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.063444][ T1393] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.063768][ T1393] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.064098][ T1393] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.064442][ T1393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.064821][ T1393] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.065158][ T1393] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.065514][ T1393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.065886][ T1393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.066326][ T1393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.066661][ T1393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.067001][ T1393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.067314][ T1393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.067631][ T1393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.067966][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.068320][ T1393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.068663][ T1393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.068993][ T1393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.069334][ T1393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.069686][ T1393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.070018][ T1393] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 163.070350][ T1393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.070706][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.071039][ T1393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.071359][ T1393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.071700][ T1393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.072047][ T1393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.072397][ T1393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.072736][ T1393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.073146][ T1393] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.073469][ T1393] ___sys_sendmsg (net/socket.c:2670) 
[ 163.073796][ T1393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.074113][ T1393] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.074432][ T1393] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.074770][ T1393] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.075092][ T1393] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.075415][ T1393] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.075749][ T1393] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.076083][ T1393] __sys_sendmsg (net/socket.c:2700) 
[ 163.076402][ T1393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.076726][ T1393] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.077055][ T1393] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.077388][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.077743][ T1393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.078062][ T1393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.078481][ T1393] RIP: 0033:0x7fd2122de1e7
[ 163.078823][ T1393] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.079989][ T1393] RSP: 002b:00007ffd45ec6888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.080466][ T1393] RAX: ffffffffffffffda RBX: 00007ffd45ec6fb0 RCX: 00007fd2122de1e7
[  163.080971][ T1393] RDX: 0000000000000000 RSI: 00007ffd45ec68f0 RDI: 0000000000000005
[  163.081455][ T1393] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.081947][ T1393] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd45ec6fe8
[  163.082427][ T1393] R13: 00000000686e6c18 R14: 0000000000499600 R15: 0000000000000000
| [  163.246560][ T1396] ------------[ cut here ]------------
| [ 163.246898][ T1396] WARNING: CPU: 0 PID: 1396 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.247531][ T1396] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.248701][ T1396] Tainted: [W]=WARN
[  163.248944][ T1396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.249359][ T1396] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.249712][ T1396] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  163.250883][ T1396] RSP: 0018:ffffc90001047080 EFLAGS: 00010246
[  163.251285][ T1396] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  163.251772][ T1396] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  163.252248][ T1396] RBP: ffffc90001047168 R08: 0000000000000000 R09: 0000000000000000
[  163.252738][ T1396] R10: ffffc90001047198 R11: ffffffff96ea8918 R12: 1ffff92000208e14
[  163.253227][ T1396] R13: 00000000000005dc R14: ffffc90001047198 R15: ffff888004c82f08
[  163.253733][ T1396] FS:  00007f0cf76e9800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  163.254287][ T1396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.254705][ T1396] CR2: 00000000004a1738 CR3: 00000000138a8003 CR4: 0000000000772ef0
[  163.255191][ T1396] PKRU: 55555554
[  163.255439][ T1396] Call Trace:
[  163.255690][ T1396]  <TASK>
[ 163.255859][ T1396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.256185][ T1396] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.256529][ T1396] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.256940][ T1396] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.257261][ T1396] netif_set_mtu (net/core/dev.c:9652) 
[ 163.257595][ T1396] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.257947][ T1396] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.258432][ T1396] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.258690][ T1396] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.259128][ T1396] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.259514][ T1396] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 163.259848][ T1396] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.260170][ T1396] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.260496][ T1396] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.260836][ T1396] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.261166][ T1396] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.261501][ T1396] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.261848][ T1396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.262174][ T1396] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.262507][ T1396] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.262844][ T1396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.263174][ T1396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.263507][ T1396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.263839][ T1396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.264179][ T1396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.264505][ T1396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.264849][ T1396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.265188][ T1396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.265524][ T1396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.265879][ T1396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.266232][ T1396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.266583][ T1396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.266932][ T1396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.267263][ T1396] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 163.267598][ T1396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.267925][ T1396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.268262][ T1396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.268600][ T1396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.268937][ T1396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.269281][ T1396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.269625][ T1396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.269953][ T1396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.270358][ T1396] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.270704][ T1396] ___sys_sendmsg (net/socket.c:2670) 
[ 163.271036][ T1396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.271361][ T1396] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.271711][ T1396] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.272055][ T1396] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.272387][ T1396] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.272723][ T1396] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.273038][ T1396] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.273380][ T1396] __sys_sendmsg (net/socket.c:2700) 
[ 163.273714][ T1396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.274033][ T1396] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.274367][ T1396] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.274716][ T1396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.275051][ T1396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.275373][ T1396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.275798][ T1396] RIP: 0033:0x7f0cf78b61e7
[ 163.276138][ T1396] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.277298][ T1396] RSP: 002b:00007ffc08d3aa38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.277803][ T1396] RAX: ffffffffffffffda RBX: 00007ffc08d3b160 RCX: 00007f0cf78b61e7
[  163.278294][ T1396] RDX: 0000000000000000 RSI: 00007ffc08d3aaa0 RDI: 0000000000000005
[  163.278807][ T1396] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.279292][ T1396] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc08d3b198
[  163.279800][ T1396] R13: 00000000686e6c19 R14: 0000000000499600 R15: 0000000000000000
| [  163.459377][ T1397] ------------[ cut here ]------------
| [ 163.459784][ T1397] WARNING: CPU: 2 PID: 1397 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.460426][ T1397] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.461618][ T1397] Tainted: [W]=WARN
[  163.461887][ T1397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.462302][ T1397] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.462660][ T1397] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  163.463833][ T1397] RSP: 0018:ffffc90001047080 EFLAGS: 00010246
[  163.464250][ T1397] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  163.464750][ T1397] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  163.465248][ T1397] RBP: ffffc90001047168 R08: 0000000000000000 R09: 0000000000000000
[  163.465755][ T1397] R10: ffffc90001047198 R11: ffffffff96ea8918 R12: 1ffff92000208e14
[  163.466247][ T1397] R13: 00000000000005dc R14: ffffc90001047198 R15: ffff888004c82f08
[  163.466745][ T1397] FS:  00007f160ac2f800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  163.467324][ T1397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.467751][ T1397] CR2: 00000000004a1738 CR3: 0000000008de2006 CR4: 0000000000772ef0
[  163.468248][ T1397] PKRU: 55555554
[  163.468517][ T1397] Call Trace:
[  163.468777][ T1397]  <TASK>
[ 163.468958][ T1397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.469299][ T1397] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.469641][ T1397] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.470064][ T1397] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.470408][ T1397] netif_set_mtu (net/core/dev.c:9652) 
[ 163.470757][ T1397] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.471153][ T1397] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.471668][ T1397] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.471939][ T1397] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.472395][ T1397] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.472796][ T1397] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 163.473141][ T1397] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.473480][ T1397] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.473832][ T1397] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.474176][ T1397] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.474514][ T1397] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.474858][ T1397] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.475197][ T1397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.475525][ T1397] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.475883][ T1397] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.476227][ T1397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.476570][ T1397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.476925][ T1397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.477260][ T1397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.477593][ T1397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.477962][ T1397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.478322][ T1397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.478689][ T1397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.479040][ T1397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.479388][ T1397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.479752][ T1397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.480096][ T1397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.480429][ T1397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.480781][ T1397] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 163.481143][ T1397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.481486][ T1397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.481855][ T1397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.482204][ T1397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.482548][ T1397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.482905][ T1397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.483245][ T1397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.483600][ T1397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.484032][ T1397] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.484373][ T1397] ___sys_sendmsg (net/socket.c:2670) 
[ 163.484722][ T1397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.485074][ T1397] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.485418][ T1397] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.485774][ T1397] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.486125][ T1397] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.486463][ T1397] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.486802][ T1397] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.487156][ T1397] __sys_sendmsg (net/socket.c:2700) 
[ 163.487502][ T1397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.487856][ T1397] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.488216][ T1397] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.488570][ T1397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.488918][ T1397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.489265][ T1397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.489688][ T1397] RIP: 0033:0x7f160adfc1e7
[ 163.490043][ T1397] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.491247][ T1397] RSP: 002b:00007ffc5e17fa18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.491774][ T1397] RAX: ffffffffffffffda RBX: 00007ffc5e180140 RCX: 00007f160adfc1e7
[  163.492269][ T1397] RDX: 0000000000000000 RSI: 00007ffc5e17fa80 RDI: 0000000000000005
[  163.492781][ T1397] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.493288][ T1397] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc5e180178
[  163.493796][ T1397] R13: 00000000686e6c19 R14: 0000000000499600 R15: 0000000000000000
| [  163.635044][ T1400] ------------[ cut here ]------------
| [ 163.635371][ T1400] WARNING: CPU: 0 PID: 1400 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.636081][ T1400] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.637229][ T1400] Tainted: [W]=WARN
[  163.637474][ T1400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.638569][ T1400] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.638910][ T1400] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  163.640069][ T1400] RSP: 0000:ffffc90001057080 EFLAGS: 00010246
[  163.640476][ T1400] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  163.640965][ T1400] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  163.641439][ T1400] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000
[  163.641922][ T1400] R10: ffffc90001057198 R11: ffffffff96ea8918 R12: 1ffff9200020ae14
[  163.642404][ T1400] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff888004c82f08
[  163.642926][ T1400] FS:  00007f3a63868800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  163.643509][ T1400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.643935][ T1400] CR2: 00007f8bd12bd1e4 CR3: 000000000f081003 CR4: 0000000000772ef0
[  163.644425][ T1400] PKRU: 55555554
[  163.644676][ T1400] Call Trace:
[  163.644922][ T1400]  <TASK>
[ 163.645089][ T1400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.645436][ T1400] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.645785][ T1400] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.646193][ T1400] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.646524][ T1400] netif_set_mtu (net/core/dev.c:9652) 
[ 163.646882][ T1400] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.647228][ T1400] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.647702][ T1400] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.647951][ T1400] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.648412][ T1400] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.648813][ T1400] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 163.649146][ T1400] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.649482][ T1400] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.649817][ T1400] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.650134][ T1400] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.650461][ T1400] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.650799][ T1400] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.651139][ T1400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.651472][ T1400] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.651815][ T1400] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.652145][ T1400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.652477][ T1400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.652834][ T1400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.653165][ T1400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.653502][ T1400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.653837][ T1400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.654202][ T1400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.654532][ T1400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.654895][ T1400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.655227][ T1400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.655580][ T1400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.655918][ T1400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.656240][ T1400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.656592][ T1400] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 163.656982][ T1400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.657327][ T1400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.657679][ T1400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.658030][ T1400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.658383][ T1400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.658736][ T1400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.659086][ T1400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.659423][ T1400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.659838][ T1400] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.660173][ T1400] ___sys_sendmsg (net/socket.c:2670) 
[ 163.660506][ T1400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.660852][ T1400] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.661188][ T1400] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.661522][ T1400] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.661855][ T1400] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.662172][ T1400] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.662498][ T1400] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.662841][ T1400] __sys_sendmsg (net/socket.c:2700) 
[ 163.663192][ T1400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.663516][ T1400] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.663862][ T1400] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.664193][ T1400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.664521][ T1400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.664855][ T1400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.665254][ T1400] RIP: 0033:0x7f3a63a351e7
[ 163.665586][ T1400] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.666730][ T1400] RSP: 002b:00007ffcb089b2d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.667218][ T1400] RAX: ffffffffffffffda RBX: 00007ffcb089ba00 RCX: 00007f3a63a351e7
[  163.667725][ T1400] RDX: 0000000000000000 RSI: 00007ffcb089b340 RDI: 0000000000000005
[  163.668205][ T1400] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.668708][ T1400] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcb089ba38
[  163.669188][ T1400] R13: 00000000686e6c19 R14: 0000000000499600 R15: 0000000000000000
| [  163.834150][ T1401] ------------[ cut here ]------------
| [ 163.834471][ T1401] WARNING: CPU: 0 PID: 1401 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  163.835195][ T1401] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  163.836457][ T1401] Tainted: [W]=WARN
[  163.836729][ T1401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.837136][ T1401] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 163.837492][ T1401] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  163.838669][ T1401] RSP: 0018:ffffc90001057080 EFLAGS: 00010246
[  163.839086][ T1401] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  163.839574][ T1401] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  163.840082][ T1401] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000
[  163.840584][ T1401] R10: ffffc90001057198 R11: ffffffff96ea8918 R12: 1ffff9200020ae14
[  163.841070][ T1401] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff888004c82f08
[  163.841575][ T1401] FS:  00007f86f918a800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  163.842163][ T1401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.842569][ T1401] CR2: 00000000004a1738 CR3: 0000000004cfb006 CR4: 0000000000772ef0
[  163.843058][ T1401] PKRU: 55555554
[  163.843314][ T1401] Call Trace:
[  163.843564][ T1401]  <TASK>
[ 163.843743][ T1401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.844095][ T1401] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 163.844426][ T1401] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 163.844846][ T1401] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 163.845179][ T1401] netif_set_mtu (net/core/dev.c:9652) 
[ 163.845509][ T1401] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.845860][ T1401] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 163.846330][ T1401] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.846589][ T1401] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.847044][ T1401] br_add_if (net/bridge/br_if.c:697) bridge 
[ 163.847415][ T1401] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 163.847752][ T1401] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 163.848076][ T1401] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 163.848413][ T1401] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 163.848744][ T1401] ? __dev_get_by_name (net/core/dev.c:865) 
[ 163.849067][ T1401] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.849387][ T1401] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 163.849729][ T1401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.850053][ T1401] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.850385][ T1401] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 163.850739][ T1401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.851077][ T1401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.851416][ T1401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.851753][ T1401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.852078][ T1401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.852396][ T1401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.852733][ T1401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.853055][ T1401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.853378][ T1401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.853711][ T1401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.854051][ T1401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.854389][ T1401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.854720][ T1401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 163.855063][ T1401] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 163.855395][ T1401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.855724][ T1401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.856058][ T1401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.856387][ T1401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.856723][ T1401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.857052][ T1401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.857373][ T1401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.857709][ T1401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.858125][ T1401] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 163.858471][ T1401] ___sys_sendmsg (net/socket.c:2670) 
[ 163.858818][ T1401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.859147][ T1401] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 163.859487][ T1401] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 163.859822][ T1401] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 163.860155][ T1401] ? __handle_mm_fault (mm/memory.c:6212) 
[ 163.860482][ T1401] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 163.860813][ T1401] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 163.861149][ T1401] __sys_sendmsg (net/socket.c:2700) 
[ 163.861474][ T1401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.861808][ T1401] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 163.862143][ T1401] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 163.862492][ T1401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.862829][ T1401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.863166][ T1401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.863580][ T1401] RIP: 0033:0x7f86f93571e7
[ 163.863918][ T1401] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  163.865078][ T1401] RSP: 002b:00007ffc6f5ca518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.865580][ T1401] RAX: ffffffffffffffda RBX: 00007ffc6f5cac40 RCX: 00007f86f93571e7
[  163.866095][ T1401] RDX: 0000000000000000 RSI: 00007ffc6f5ca580 RDI: 0000000000000005
[  163.866596][ T1401] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  163.867123][ T1401] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6f5cac78
[  163.867676][ T1401] R13: 00000000686e6c19 R14: 0000000000499600 R15: 0000000000000000
| [  164.019078][ T1403] ------------[ cut here ]------------
| [ 164.019417][ T1403] WARNING: CPU: 0 PID: 1403 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.020108][ T1403] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.021294][ T1403] Tainted: [W]=WARN
[  164.021544][ T1403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.021953][ T1403] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.022296][ T1403] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.023513][ T1403] RSP: 0018:ffffc90001057080 EFLAGS: 00010246
[  164.023957][ T1403] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  164.024446][ T1403] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  164.024956][ T1403] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000
[  164.025451][ T1403] R10: ffffc90001057198 R11: ffffffff96ea8918 R12: 1ffff9200020ae14
[  164.025956][ T1403] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff888004c82f08
[  164.026443][ T1403] FS:  00007f9f4028e800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  164.027015][ T1403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.027434][ T1403] CR2: 00000000004a1738 CR3: 0000000004e87002 CR4: 0000000000772ef0
[  164.027933][ T1403] PKRU: 55555554
[  164.028182][ T1403] Call Trace:
[  164.028452][ T1403]  <TASK>
[ 164.028626][ T1403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.028968][ T1403] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.029302][ T1403] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.029739][ T1403] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.030072][ T1403] netif_set_mtu (net/core/dev.c:9652) 
[ 164.030394][ T1403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.030733][ T1403] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.031201][ T1403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.031450][ T1403] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.031915][ T1403] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.032290][ T1403] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 164.032616][ T1403] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.032946][ T1403] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.033283][ T1403] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.033615][ T1403] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.033950][ T1403] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.034285][ T1403] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.034629][ T1403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.034954][ T1403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.035280][ T1403] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.035612][ T1403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.035951][ T1403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.036289][ T1403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.036621][ T1403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.036962][ T1403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.037303][ T1403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.037640][ T1403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.038001][ T1403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.038359][ T1403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.038702][ T1403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.039031][ T1403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.039362][ T1403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.039712][ T1403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.040053][ T1403] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.040378][ T1403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.040721][ T1403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.041055][ T1403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.041384][ T1403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.041715][ T1403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.042058][ T1403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.042393][ T1403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.042728][ T1403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.043131][ T1403] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.043458][ T1403] ___sys_sendmsg (net/socket.c:2670) 
[ 164.043786][ T1403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.044106][ T1403] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.044432][ T1403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.044760][ T1403] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.045088][ T1403] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.045415][ T1403] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.045742][ T1403] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.046080][ T1403] __sys_sendmsg (net/socket.c:2700) 
[ 164.046402][ T1403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.046732][ T1403] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 164.047089][ T1403] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 164.047449][ T1403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.047788][ T1403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.048173][ T1403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.048583][ T1403] RIP: 0033:0x7f9f4045b1e7
[ 164.048926][ T1403] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.050242][ T1403] RSP: 002b:00007ffe22a006d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.051064][ T1403] RAX: ffffffffffffffda RBX: 00007ffe22a00e00 RCX: 00007f9f4045b1e7
[  164.051835][ T1403] RDX: 0000000000000000 RSI: 00007ffe22a00740 RDI: 0000000000000005
[  164.052612][ T1403] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.053464][ T1403] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe22a00e38
[  164.054315][ T1403] R13: 00000000686e6c19 R14: 0000000000499600 R15: 0000000000000000
| [  164.239783][ T1406] ------------[ cut here ]------------
| [ 164.240132][ T1406] WARNING: CPU: 3 PID: 1406 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.240861][ T1406] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.242055][ T1406] Tainted: [W]=WARN
[  164.242302][ T1406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.242723][ T1406] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.243059][ T1406] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.244227][ T1406] RSP: 0018:ffffc90001057080 EFLAGS: 00010246
[  164.244642][ T1406] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  164.245140][ T1406] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  164.245638][ T1406] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000
[  164.246130][ T1406] R10: ffffc90001057198 R11: ffffffff96ea8918 R12: 1ffff9200020ae14
[  164.246623][ T1406] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff888004c82f08
[  164.247111][ T1406] FS:  00007fd6ecaf9800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  164.247683][ T1406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.248088][ T1406] CR2: 00000000004a1738 CR3: 0000000008b01005 CR4: 0000000000772ef0
[  164.248674][ T1406] PKRU: 55555554
[  164.248929][ T1406] Call Trace:
[  164.249174][ T1406]  <TASK>
[ 164.249348][ T1406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.249708][ T1406] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.250041][ T1406] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.250453][ T1406] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.250794][ T1406] netif_set_mtu (net/core/dev.c:9652) 
[ 164.251116][ T1406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.251448][ T1406] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.251909][ T1406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.252155][ T1406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.252595][ T1406] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.252978][ T1406] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 164.253300][ T1406] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.253628][ T1406] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.253963][ T1406] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.254281][ T1406] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.254605][ T1406] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.254940][ T1406] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.255276][ T1406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.255595][ T1406] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.255936][ T1406] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.256271][ T1406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.256602][ T1406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.256949][ T1406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.257275][ T1406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.257598][ T1406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.257930][ T1406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.258258][ T1406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.258631][ T1406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.258972][ T1406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.259307][ T1406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.259634][ T1406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.259980][ T1406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.260306][ T1406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.260655][ T1406] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.260989][ T1406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.261320][ T1406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.261669][ T1406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.262002][ T1406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.262331][ T1406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.262679][ T1406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.263013][ T1406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.263337][ T1406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.263761][ T1406] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.264102][ T1406] ___sys_sendmsg (net/socket.c:2670) 
[ 164.264431][ T1406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.264764][ T1406] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.265091][ T1406] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.265424][ T1406] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.265788][ T1406] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.266120][ T1406] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.266454][ T1406] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.266809][ T1406] __sys_sendmsg (net/socket.c:2700) 
[ 164.267137][ T1406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.267462][ T1406] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 164.267811][ T1406] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 164.268144][ T1406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.268490][ T1406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.268827][ T1406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.269225][ T1406] RIP: 0033:0x7fd6eccc61e7
[ 164.269559][ T1406] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.270717][ T1406] RSP: 002b:00007ffe293c2218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.271219][ T1406] RAX: ffffffffffffffda RBX: 00007ffe293c2940 RCX: 00007fd6eccc61e7
[  164.271724][ T1406] RDX: 0000000000000000 RSI: 00007ffe293c2280 RDI: 0000000000000005
[  164.272212][ T1406] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.272706][ T1406] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe293c2978
[  164.273195][ T1406] R13: 00000000686e6c19 R14: 0000000000499600 R15: 0000000000000000
| [  164.472771][ T1408] ------------[ cut here ]------------
| [ 164.473101][ T1408] WARNING: CPU: 3 PID: 1408 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.473821][ T1408] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.474995][ T1408] Tainted: [W]=WARN
[  164.475248][ T1408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.475663][ T1408] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.476000][ T1408] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.477160][ T1408] RSP: 0018:ffffc90001007080 EFLAGS: 00010246
[  164.477567][ T1408] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  164.478068][ T1408] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  164.478569][ T1408] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000
[  164.479066][ T1408] R10: ffffc90001007198 R11: ffffffff96ea8918 R12: 1ffff92000200e14
[  164.479551][ T1408] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff888004c82f08
[  164.480043][ T1408] FS:  00007fe2fe1a6800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  164.480604][ T1408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.481018][ T1408] CR2: 00007f8bd11a6b30 CR3: 00000000141e2006 CR4: 0000000000772ef0
[  164.481515][ T1408] PKRU: 55555554
[  164.481767][ T1408] Call Trace:
[  164.482016][ T1408]  <TASK>
[ 164.482182][ T1408] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.482518][ T1408] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.482861][ T1408] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.483270][ T1408] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.483597][ T1408] netif_set_mtu (net/core/dev.c:9652) 
[ 164.483928][ T1408] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.484263][ T1408] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.484728][ T1408] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.485015][ T1408] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.485459][ T1408] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.485845][ T1408] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 164.486170][ T1408] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.486500][ T1408] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.486833][ T1408] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.487169][ T1408] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.487508][ T1408] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.487844][ T1408] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.488186][ T1408] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.488517][ T1408] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.488861][ T1408] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.489198][ T1408] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.489530][ T1408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.489905][ T1408] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.490257][ T1408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.490593][ T1408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.490945][ T1408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.491275][ T1408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.491606][ T1408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.491951][ T1408] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.492282][ T1408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.492626][ T1408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.492975][ T1408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.493297][ T1408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.493622][ T1408] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.493956][ T1408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.494300][ T1408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.494637][ T1408] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.494991][ T1408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.495323][ T1408] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.495668][ T1408] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.496003][ T1408] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.496346][ T1408] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.496762][ T1408] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.497108][ T1408] ___sys_sendmsg (net/socket.c:2670) 
[ 164.497432][ T1408] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.497760][ T1408] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.498085][ T1408] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.498420][ T1408] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.498761][ T1408] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.499089][ T1408] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.499419][ T1408] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.499774][ T1408] __sys_sendmsg (net/socket.c:2700) 
[ 164.500123][ T1408] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.500448][ T1408] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 164.500846][ T1408] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 164.501191][ T1408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.501519][ T1408] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.501874][ T1408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.502283][ T1408] RIP: 0033:0x7fe2fe3731e7
[ 164.502628][ T1408] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.503832][ T1408] RSP: 002b:00007fff2a7b10e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.504345][ T1408] RAX: ffffffffffffffda RBX: 00007fff2a7b1810 RCX: 00007fe2fe3731e7
[  164.504852][ T1408] RDX: 0000000000000000 RSI: 00007fff2a7b1150 RDI: 0000000000000005
[  164.505389][ T1408] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.505888][ T1408] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff2a7b1848
[  164.506372][ T1408] R13: 00000000686e6c1a R14: 0000000000499600 R15: 0000000000000000
| [  164.678837][ T1410] ------------[ cut here ]------------
| [ 164.679158][ T1410] WARNING: CPU: 3 PID: 1410 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.679889][ T1410] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.681051][ T1410] Tainted: [W]=WARN
[  164.681299][ T1410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.681708][ T1410] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.682039][ T1410] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.683177][ T1410] RSP: 0018:ffffc90001077080 EFLAGS: 00010246
[  164.683578][ T1410] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  164.684067][ T1410] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  164.684543][ T1410] RBP: ffffc90001077168 R08: 0000000000000000 R09: 0000000000000000
[  164.685026][ T1410] R10: ffffc90001077198 R11: ffffffff96ea8918 R12: 1ffff9200020ee14
[  164.685502][ T1410] R13: 00000000000005dc R14: ffffc90001077198 R15: ffff888004c82f08
[  164.685986][ T1410] FS:  00007f99c8d1e800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  164.686582][ T1410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.687008][ T1410] CR2: 000055fd9435b018 CR3: 000000000b6a8003 CR4: 0000000000772ef0
[  164.687483][ T1410] PKRU: 55555554
[  164.687729][ T1410] Call Trace:
[  164.687969][ T1410]  <TASK>
[ 164.688134][ T1410] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.688477][ T1410] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.688809][ T1410] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.689235][ T1410] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.689559][ T1410] netif_set_mtu (net/core/dev.c:9652) 
[ 164.689895][ T1410] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.690226][ T1410] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.690704][ T1410] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.690962][ T1410] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.691410][ T1410] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.691807][ T1410] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 164.692129][ T1410] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.692453][ T1410] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.692795][ T1410] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.693126][ T1410] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.693464][ T1410] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.693799][ T1410] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.694123][ T1410] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.694447][ T1410] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.694791][ T1410] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.695135][ T1410] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.695460][ T1410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.695811][ T1410] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.696131][ T1410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.696457][ T1410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.696797][ T1410] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.697120][ T1410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.697440][ T1410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.697775][ T1410] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.698096][ T1410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.698429][ T1410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.698771][ T1410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.699096][ T1410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.699417][ T1410] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.699780][ T1410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.700101][ T1410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.700423][ T1410] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.700757][ T1410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.701078][ T1410] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.701411][ T1410] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.701742][ T1410] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.702060][ T1410] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.702462][ T1410] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 164.702810][ T1410] ___sys_sendmsg (net/socket.c:2670) 
[ 164.703133][ T1410] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.703450][ T1410] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 164.703801][ T1410] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.704117][ T1410] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 164.704443][ T1410] ? __handle_mm_fault (mm/memory.c:6212) 
[ 164.704767][ T1410] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 164.705087][ T1410] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 164.705423][ T1410] __sys_sendmsg (net/socket.c:2700) 
[ 164.705753][ T1410] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.706078][ T1410] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 164.706404][ T1410] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 164.706732][ T1410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.707053][ T1410] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.707373][ T1410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.707779][ T1410] RIP: 0033:0x7f99c8eeb1e7
[ 164.708114][ T1410] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.709278][ T1410] RSP: 002b:00007ffd4e235788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.709765][ T1410] RAX: ffffffffffffffda RBX: 00007ffd4e235eb0 RCX: 00007f99c8eeb1e7
[  164.710246][ T1410] RDX: 0000000000000000 RSI: 00007ffd4e2357f0 RDI: 0000000000000005
[  164.710734][ T1410] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.711212][ T1410] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd4e235ee8
[  164.711709][ T1410] R13: 00000000686e6c1a R14: 0000000000499600 R15: 0000000000000000
| [  164.853926][ T1411] ------------[ cut here ]------------
| [ 164.854246][ T1411] WARNING: CPU: 0 PID: 1411 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  164.854976][ T1411] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  164.856153][ T1411] Tainted: [W]=WARN
[  164.856400][ T1411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.856813][ T1411] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 164.857149][ T1411] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.858313][ T1411] RSP: 0018:ffffc90001007080 EFLAGS: 00010246
[  164.858733][ T1411] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  164.859217][ T1411] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  164.859711][ T1411] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000
[  164.860204][ T1411] R10: ffffc90001007198 R11: ffffffff96ea8918 R12: 1ffff92000200e14
[  164.860705][ T1411] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff888004c82f08
[  164.861185][ T1411] FS:  00007fdca5836800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  164.861754][ T1411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.862163][ T1411] CR2: 00007f8bd0f55430 CR3: 00000000097ae005 CR4: 0000000000772ef0
[  164.862670][ T1411] PKRU: 55555554
[  164.862913][ T1411] Call Trace:
[  164.863157][ T1411]  <TASK>
[ 164.863329][ T1411] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.863672][ T1411] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.864006][ T1411] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.864404][ T1411] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.864743][ T1411] netif_set_mtu (net/core/dev.c:9652) 
[ 164.865067][ T1411] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.865404][ T1411] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 164.865880][ T1411] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.866134][ T1411] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.866573][ T1411] br_add_if (net/bridge/br_if.c:697) bridge 
[ 164.866956][ T1411] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 164.867278][ T1411] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 164.867598][ T1411] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 164.867931][ T1411] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 164.868259][ T1411] ? __dev_get_by_name (net/core/dev.c:865) 
[ 164.868594][ T1411] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.868926][ T1411] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 164.869262][ T1411] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.869586][ T1411] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 164.869925][ T1411] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 164.870259][ T1411] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.870589][ T1411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.870941][ T1411] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.871268][ T1411] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.871602][ T1411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.871943][ T1411] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.872273][ T1411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.872601][ T1411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.872952][ T1411] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.873293][ T1411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.873623][ T1411] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.873971][ T1411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.874300][ T1411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 164.874656][ T1411] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.874987][ T1411] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.875312][ T1411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.875642][ T1411] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.875977][ T1411] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.876308][ T1411] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.876654][ T1411] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.877021][ T1411] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.877348][ T1411] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.877774][ T1411] ___sys_sendmsg (net/socket.c:2670) 
[ 164.878101][ T1411] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.878437][ T1411] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.878780][ T1411] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.879107][ T1411] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 164.879437][ T1411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.879782][ T1411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.880116][ T1411] __sys_sendmsg (net/socket.c:2700) 
[ 164.880442][ T1411] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.880789][ T1411] ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1473 arch/x86/kernel/fpu/xstate.c:1517) 
[ 164.881121][ T1411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.881449][ T1411] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.881787][ T1411] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.882189][ T1411] RIP: 0033:0x7fdca5a031e7
[ 164.882523][ T1411] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  164.883710][ T1411] RSP: 002b:00007fff1b7de848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.884229][ T1411] RAX: ffffffffffffffda RBX: 00007fff1b7def70 RCX: 00007fdca5a031e7
[  164.884735][ T1411] RDX: 0000000000000000 RSI: 00007fff1b7de8b0 RDI: 0000000000000005
[  164.885224][ T1411] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  164.885720][ T1411] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff1b7defa8
[  164.886205][ T1411] R13: 00000000686e6c1a R14: 0000000000499600 R15: 0000000000000000
| [  165.032820][ T1413] ------------[ cut here ]------------
| [ 165.033162][ T1413] WARNING: CPU: 0 PID: 1413 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  165.033914][ T1413] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.035111][ T1413] Tainted: [W]=WARN
[  165.035357][ T1413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.035769][ T1413] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 165.036102][ T1413] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  165.037263][ T1413] RSP: 0018:ffffc90001077080 EFLAGS: 00010246
[  165.037689][ T1413] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  165.038176][ T1413] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  165.038700][ T1413] RBP: ffffc90001077168 R08: 0000000000000000 R09: 0000000000000000
[  165.039191][ T1413] R10: ffffc90001077198 R11: ffffffff96ea8918 R12: 1ffff9200020ee14
[  165.039690][ T1413] R13: 00000000000005dc R14: ffffc90001077198 R15: ffff888004c82f08
[  165.040174][ T1413] FS:  00007f0407a31800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  165.040752][ T1413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.041162][ T1413] CR2: 00000000004a1738 CR3: 000000000fc10006 CR4: 0000000000772ef0
[  165.041727][ T1413] PKRU: 55555554
[  165.041990][ T1413] Call Trace:
[  165.042250][ T1413]  <TASK>
[ 165.042423][ T1413] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.042807][ T1413] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.043156][ T1413] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.043594][ T1413] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.043948][ T1413] netif_set_mtu (net/core/dev.c:9652) 
[ 165.044299][ T1413] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.044638][ T1413] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.045108][ T1413] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.045361][ T1413] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.045824][ T1413] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.046223][ T1413] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 165.046583][ T1413] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.046938][ T1413] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.047282][ T1413] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.047607][ T1413] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.047957][ T1413] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.048304][ T1413] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.048658][ T1413] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.048988][ T1413] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.049323][ T1413] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.049665][ T1413] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.049995][ T1413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.050331][ T1413] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.050663][ T1413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.050998][ T1413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.051331][ T1413] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.051674][ T1413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.052001][ T1413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.052329][ T1413] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.052665][ T1413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.052993][ T1413] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.053338][ T1413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.053672][ T1413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 165.053997][ T1413] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 165.054323][ T1413] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.054660][ T1413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.054995][ T1413] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.055343][ T1413] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.055691][ T1413] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.056030][ T1413] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.056359][ T1413] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.056699][ T1413] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.057108][ T1413] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.057442][ T1413] ___sys_sendmsg (net/socket.c:2670) 
[ 165.057777][ T1413] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.058101][ T1413] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.058439][ T1413] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.058778][ T1413] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.059113][ T1413] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.059452][ T1413] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.059789][ T1413] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.060132][ T1413] __sys_sendmsg (net/socket.c:2700) 
[ 165.060478][ T1413] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.060813][ T1413] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 165.061151][ T1413] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 165.061485][ T1413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.061826][ T1413] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.062153][ T1413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.062569][ T1413] RIP: 0033:0x7f0407bfe1e7
[ 165.062916][ T1413] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  165.064114][ T1413] RSP: 002b:00007fff4be90f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.064627][ T1413] RAX: ffffffffffffffda RBX: 00007fff4be916a0 RCX: 00007f0407bfe1e7
[  165.065122][ T1413] RDX: 0000000000000000 RSI: 00007fff4be90fe0 RDI: 0000000000000005
[  165.065611][ T1413] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.066115][ T1413] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff4be916d8
[  165.066857][ T1413] R13: 00000000686e6c1a R14: 0000000000499600 R15: 0000000000000000
| [  165.285556][ T1416] ------------[ cut here ]------------
| [ 165.286013][ T1416] WARNING: CPU: 1 PID: 1416 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  165.286635][ T1416] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.287802][ T1416] Tainted: [W]=WARN
[  165.288048][ T1416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.288461][ T1416] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 165.288951][ T1416] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  165.290239][ T1416] RSP: 0018:ffffc90000ea7080 EFLAGS: 00010246
[  165.290826][ T1416] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  165.291295][ T1416] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  165.291917][ T1416] RBP: ffffc90000ea7168 R08: 0000000000000000 R09: 0000000000000000
[  165.292394][ T1416] R10: ffffc90000ea7198 R11: ffffffff96ea8918 R12: 1ffff920001d4e14
[  165.293014][ T1416] R13: 00000000000005dc R14: ffffc90000ea7198 R15: ffff888004c82f08
[  165.293479][ T1416] FS:  00007f029d021800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  165.294178][ T1416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.294607][ T1416] CR2: 00000000004a1738 CR3: 000000000fc84004 CR4: 0000000000772ef0
[  165.295238][ T1416] PKRU: 55555554
[  165.295480][ T1416] Call Trace:
[  165.295871][ T1416]  <TASK>
[ 165.296053][ T1416] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.296378][ T1416] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.296798][ T1416] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.297226][ T1416] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.297551][ T1416] netif_set_mtu (net/core/dev.c:9652) 
[ 165.297889][ T1416] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.298232][ T1416] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.298699][ T1416] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.298939][ T1416] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.299389][ T1416] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.299782][ T1416] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 165.300116][ T1416] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.300452][ T1416] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.300795][ T1416] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.301107][ T1416] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.301436][ T1416] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.301771][ T1416] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.302091][ T1416] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.302416][ T1416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.302768][ T1416] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.303111][ T1416] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.303445][ T1416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.303784][ T1416] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.304096][ T1416] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.304421][ T1416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.304743][ T1416] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.305075][ T1416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.305394][ T1416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.305725][ T1416] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.306042][ T1416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.306372][ T1416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.306724][ T1416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.307038][ T1416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 165.307370][ T1416] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 165.307727][ T1416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.308060][ T1416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.308387][ T1416] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.308717][ T1416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.309044][ T1416] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.309383][ T1416] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.309721][ T1416] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.310045][ T1416] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.310463][ T1416] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.310825][ T1416] ___sys_sendmsg (net/socket.c:2670) 
[ 165.311162][ T1416] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.311507][ T1416] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.311854][ T1416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.312172][ T1416] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.312490][ T1416] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.312814][ T1416] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.313127][ T1416] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.313457][ T1416] __sys_sendmsg (net/socket.c:2700) 
[ 165.313791][ T1416] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.314113][ T1416] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 165.314444][ T1416] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 165.314780][ T1416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.315103][ T1416] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.315417][ T1416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.315831][ T1416] RIP: 0033:0x7f029d1ee1e7
[ 165.316174][ T1416] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  165.317349][ T1416] RSP: 002b:00007ffdb2f4f498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.317887][ T1416] RAX: ffffffffffffffda RBX: 00007ffdb2f4fbc0 RCX: 00007f029d1ee1e7
[  165.318401][ T1416] RDX: 0000000000000000 RSI: 00007ffdb2f4f500 RDI: 0000000000000005
[  165.318900][ T1416] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.319375][ T1416] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb2f4fbf8
[  165.319861][ T1416] R13: 00000000686e6c1b R14: 0000000000499600 R15: 0000000000000000
| [  165.503556][ T1417] ------------[ cut here ]------------
| [ 165.503942][ T1417] WARNING: CPU: 1 PID: 1417 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  165.504573][ T1417] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  165.505847][ T1417] Tainted: [W]=WARN
[  165.506084][ T1417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.506476][ T1417] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 165.506811][ T1417] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  165.507927][ T1417] RSP: 0018:ffffc90001047080 EFLAGS: 00010246
[  165.508342][ T1417] RAX: 0000000000000000 RBX: ffff888004c82000 RCX: 0000000000000001
[  165.508822][ T1417] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  165.509286][ T1417] RBP: ffffc90001047168 R08: 0000000000000000 R09: 0000000000000000
[  165.509756][ T1417] R10: ffffc90001047198 R11: ffffffff96ea8918 R12: 1ffff92000208e14
[  165.510253][ T1417] R13: 00000000000005dc R14: ffffc90001047198 R15: ffff888004c82f08
[  165.510728][ T1417] FS:  00007f180c674800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  165.511272][ T1417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.511672][ T1417] CR2: 00007f8bd11d6840 CR3: 00000000144c4005 CR4: 0000000000772ef0
[  165.512144][ T1417] PKRU: 55555554
[  165.512379][ T1417] Call Trace:
[  165.512613][ T1417]  <TASK>
[ 165.512786][ T1417] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 165.513107][ T1417] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 165.513426][ T1417] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 165.513829][ T1417] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 165.514192][ T1417] netif_set_mtu (net/core/dev.c:9652) 
[ 165.514538][ T1417] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 165.514886][ T1417] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 165.515343][ T1417] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 165.515580][ T1417] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 165.516021][ T1417] br_add_if (net/bridge/br_if.c:697) bridge 
[ 165.516381][ T1417] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 165.516716][ T1417] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 165.517036][ T1417] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 165.517350][ T1417] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 165.517672][ T1417] ? __dev_get_by_name (net/core/dev.c:865) 
[ 165.517990][ T1417] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.518312][ T1417] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 165.518629][ T1417] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 165.518955][ T1417] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.519277][ T1417] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 165.519604][ T1417] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 165.519945][ T1417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.520278][ T1417] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 165.520594][ T1417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 165.520924][ T1417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 165.521258][ T1417] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 165.521575][ T1417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.521907][ T1417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.522229][ T1417] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 165.522550][ T1417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 165.522876][ T1417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 165.523202][ T1417] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 165.523524][ T1417] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 165.523854][ T1417] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 165.524179][ T1417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 165.524494][ T1417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 165.524845][ T1417] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 165.525184][ T1417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 165.525503][ T1417] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 165.525845][ T1417] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 165.526177][ T1417] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 165.526494][ T1417] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 165.526910][ T1417] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 165.527237][ T1417] ___sys_sendmsg (net/socket.c:2670) 
[ 165.527561][ T1417] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 165.527889][ T1417] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 165.528210][ T1417] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 165.528541][ T1417] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 165.528879][ T1417] ? __handle_mm_fault (mm/memory.c:6212) 
[ 165.529198][ T1417] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 165.529512][ T1417] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 165.529858][ T1417] __sys_sendmsg (net/socket.c:2700) 
[ 165.530178][ T1417] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 165.530501][ T1417] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 165.530845][ T1417] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 165.531166][ T1417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 165.531492][ T1417] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 165.531827][ T1417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.532220][ T1417] RIP: 0033:0x7f180c8411e7
[ 165.532548][ T1417] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  165.533703][ T1417] RSP: 002b:00007fff7edd1a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  165.534181][ T1417] RAX: ffffffffffffffda RBX: 00007fff7edd2170 RCX: 00007f180c8411e7
[  165.534668][ T1417] RDX: 0000000000000000 RSI: 00007fff7edd1ab0 RDI: 0000000000000005
[  165.535158][ T1417] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  165.535636][ T1417] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff7edd21a8
[  165.536124][ T1417] R13: 00000000686e6c1b R14: 0000000000499600 R15: 0000000000000000
| [  419.748106][T18026] ------------[ cut here ]------------
| [419.748425][T18026] WARNING: CPU: 3 PID: 18026 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  419.749100][T18026] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  419.750421][T18026] Tainted: [W]=WARN
[  419.750812][T18026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[419.751210][T18026] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 419.751539][T18026] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  419.752805][T18026] RSP: 0018:ffffc90002057080 EFLAGS: 00010246
[  419.753216][T18026] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  419.753842][T18026] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  419.754315][T18026] RBP: ffffc90002057168 R08: 0000000000000000 R09: 0000000000000000
[  419.754937][T18026] R10: ffffc90002057198 R11: ffffffff96ea8918 R12: 1ffff9200040ae14
[  419.755409][T18026] R13: 00000000000005dc R14: ffffc90002057198 R15: ffff888013ac2f08
[  419.756032][T18026] FS:  00007f1805451800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  419.756592][T18026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  419.757111][T18026] CR2: 00000000004a1738 CR3: 000000000b4d9004 CR4: 0000000000772ef0
[  419.757585][T18026] PKRU: 55555554
[  419.757837][T18026] Call Trace:
[  419.758073][T18026]  <TASK>
[419.758237][T18026] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[419.758578][T18026] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[419.758914][T18026] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[419.759312][T18026] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[419.759631][T18026] netif_set_mtu (net/core/dev.c:9652) 
[419.759954][T18026] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[419.760281][T18026] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[419.760738][T18026] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[419.760980][T18026] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[419.761411][T18026] br_add_if (net/bridge/br_if.c:697) bridge 
[419.761785][T18026] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[419.762103][T18026] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[419.762420][T18026] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[419.762762][T18026] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[419.763081][T18026] ? __dev_get_by_name (net/core/dev.c:865) 
[419.763398][T18026] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[419.763730][T18026] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[419.764060][T18026] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[419.764371][T18026] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[419.764701][T18026] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[419.765028][T18026] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[419.765348][T18026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[419.765685][T18026] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[419.765998][T18026] ? __lock_release (kernel/locking/lockdep.c:5539) 
[419.766319][T18026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[419.766634][T18026] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[419.766958][T18026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[419.767277][T18026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[419.767596][T18026] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[419.767927][T18026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[419.768246][T18026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[419.768582][T18026] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[419.768991][T18026] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[419.769308][T18026] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[419.769628][T18026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[419.769982][T18026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[419.770323][T18026] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[419.770645][T18026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[419.770977][T18026] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[419.771300][T18026] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[419.771621][T18026] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[419.771942][T18026] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[419.772337][T18026] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[419.772665][T18026] ___sys_sendmsg (net/socket.c:2670) 
[419.772982][T18026] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[419.773299][T18026] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[419.773616][T18026] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[419.773937][T18026] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[419.774258][T18026] ? __handle_mm_fault (mm/memory.c:6212) 
[419.774575][T18026] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[419.774897][T18026] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[419.775235][T18026] __sys_sendmsg (net/socket.c:2700) 
[419.775549][T18026] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[419.775869][T18026] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[419.776193][T18026] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[419.776509][T18026] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[419.776833][T18026] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[419.777151][T18026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  419.777542][T18026] RIP: 0033:0x7f180561e1e7
[ 419.777876][T18026] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  419.779051][T18026] RSP: 002b:00007ffc1b92a7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  419.779530][T18026] RAX: ffffffffffffffda RBX: 00007ffc1b92af10 RCX: 00007f180561e1e7
[  419.780018][T18026] RDX: 0000000000000000 RSI: 00007ffc1b92a850 RDI: 0000000000000005
[  419.780495][T18026] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  419.780972][T18026] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc1b92af48
[  419.781449][T18026] R13: 00000000686e6d19 R14: 0000000000499600 R15: 0000000000000000
| [  419.939440][T18027] ------------[ cut here ]------------
| [419.939804][T18027] WARNING: CPU: 2 PID: 18027 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  419.940476][T18027] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  419.941696][T18027] Tainted: [W]=WARN
[  419.941956][T18027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[419.942400][T18027] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 419.942760][T18027] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  419.944007][T18027] RSP: 0018:ffffc90001a37080 EFLAGS: 00010246
[  419.944450][T18027] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  419.944980][T18027] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  419.945498][T18027] RBP: ffffc90001a37168 R08: 0000000000000000 R09: 0000000000000000
[  419.946014][T18027] R10: ffffc90001a37198 R11: ffffffff96ea8918 R12: 1ffff92000346e14
[  419.946524][T18027] R13: 00000000000005dc R14: ffffc90001a37198 R15: ffff888013ac2f08
[  419.947045][T18027] FS:  00007fbffcaa9800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  419.947631][T18027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  419.948070][T18027] CR2: 00000000004a1738 CR3: 000000000e6cd004 CR4: 0000000000772ef0
[  419.948594][T18027] PKRU: 55555554
[  419.948862][T18027] Call Trace:
[  419.949147][T18027]  <TASK>
[419.949336][T18027] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[419.949706][T18027] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[419.950074][T18027] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[419.950503][T18027] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[419.950862][T18027] netif_set_mtu (net/core/dev.c:9652) 
[419.951228][T18027] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[419.951584][T18027] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[419.952162][T18027] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[419.952437][T18027] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[419.952933][T18027] br_add_if (net/bridge/br_if.c:697) bridge 
[419.953336][T18027] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[419.953691][T18027] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[419.954059][T18027] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[419.954403][T18027] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[419.954755][T18027] ? __dev_get_by_name (net/core/dev.c:865) 
[419.955117][T18027] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[419.955467][T18027] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[419.955835][T18027] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[419.956192][T18027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[419.956543][T18027] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[419.956929][T18027] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[419.957353][T18027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[419.957740][T18027] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[419.958099][T18027] ? __lock_release (kernel/locking/lockdep.c:5539) 
[419.958448][T18027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[419.958818][T18027] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[419.959180][T18027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[419.959531][T18027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[419.959906][T18027] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[419.960261][T18027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[419.960616][T18027] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[419.961026][T18027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[419.961372][T18027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[419.961730][T18027] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[419.962098][T18027] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[419.962443][T18027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[419.963071][T18027] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[419.963431][T18027] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[419.963781][T18027] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[419.964182][T18027] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[419.964532][T18027] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[419.964907][T18027] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[419.965353][T18027] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[419.965715][T18027] ___sys_sendmsg (net/socket.c:2670) 
[419.966079][T18027] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[419.966426][T18027] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[419.966781][T18027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[419.967391][T18027] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[419.967762][T18027] ? __handle_mm_fault (mm/memory.c:6212) 
[419.968125][T18027] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[419.968469][T18027] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[419.968850][T18027] __sys_sendmsg (net/socket.c:2700) 
[419.969693][T18027] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[419.970056][T18027] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[419.970408][T18027] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[419.970780][T18027] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[419.971146][T18027] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[419.971490][T18027] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  419.971945][T18027] RIP: 0033:0x7fbffcc761e7
[ 419.972306][T18027] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  419.973789][T18027] RSP: 002b:00007ffdc7f1fbd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  419.974317][T18027] RAX: ffffffffffffffda RBX: 00007ffdc7f20300 RCX: 00007fbffcc761e7
[  419.974833][T18027] RDX: 0000000000000000 RSI: 00007ffdc7f1fc40 RDI: 0000000000000005
[  419.975341][T18027] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  419.975863][T18027] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc7f20338
[  419.976644][T18027] R13: 00000000686e6d19 R14: 0000000000499600 R15: 0000000000000000
| [  420.143229][T18031] ------------[ cut here ]------------
| [420.143544][T18031] WARNING: CPU: 0 PID: 18031 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  420.145380][T18031] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  420.146540][T18031] Tainted: [W]=WARN
[  420.146795][T18031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[420.147191][T18031] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 420.147540][T18031] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  420.148694][T18031] RSP: 0018:ffffc90001a37080 EFLAGS: 00010246
[  420.149147][T18031] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  420.149635][T18031] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  420.150131][T18031] RBP: ffffc90001a37168 R08: 0000000000000000 R09: 0000000000000000
[  420.150628][T18031] R10: ffffc90001a37198 R11: ffffffff96ea8918 R12: 1ffff92000346e14
[  420.151114][T18031] R13: 00000000000005dc R14: ffffc90001a37198 R15: ffff888013ac2f08
[  420.151598][T18031] FS:  00007f1e4f8e8800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  420.152167][T18031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  420.152562][T18031] CR2: 00000000004a1738 CR3: 000000000f0e7001 CR4: 0000000000772ef0
[  420.153203][T18031] PKRU: 55555554
[  420.153454][T18031] Call Trace:
[  420.153863][T18031]  <TASK>
[420.154029][T18031] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[420.154352][T18031] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[420.154819][T18031] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[420.155219][T18031] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[420.155548][T18031] netif_set_mtu (net/core/dev.c:9652) 
[420.155877][T18031] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[420.156209][T18031] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[420.156663][T18031] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[420.156904][T18031] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[420.157339][T18031] br_add_if (net/bridge/br_if.c:697) bridge 
[420.157738][T18031] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[420.158060][T18031] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[420.158378][T18031] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[420.158759][T18031] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[420.159084][T18031] ? __dev_get_by_name (net/core/dev.c:865) 
[420.159415][T18031] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[420.159744][T18031] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[420.160077][T18031] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[420.160391][T18031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[420.160723][T18031] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[420.161050][T18031] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[420.161375][T18031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[420.161712][T18031] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[420.162053][T18031] ? __lock_release (kernel/locking/lockdep.c:5539) 
[420.162372][T18031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[420.162699][T18031] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[420.163055][T18031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[420.163391][T18031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[420.163739][T18031] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[420.164062][T18031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[420.164390][T18031] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[420.164726][T18031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[420.165037][T18031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[420.165352][T18031] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[420.165678][T18031] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[420.166011][T18031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[420.166340][T18031] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[420.166687][T18031] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[420.167017][T18031] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[420.167349][T18031] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[420.167681][T18031] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[420.167997][T18031] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[420.168400][T18031] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[420.168737][T18031] ___sys_sendmsg (net/socket.c:2670) 
[420.169060][T18031] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[420.169370][T18031] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[420.169692][T18031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[420.170022][T18031] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[420.170347][T18031] ? __handle_mm_fault (mm/memory.c:6212) 
[420.170682][T18031] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[420.171010][T18031] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[420.171346][T18031] __sys_sendmsg (net/socket.c:2700) 
[420.171678][T18031] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[420.171993][T18031] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[420.172354][T18031] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[420.172698][T18031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[420.173035][T18031] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[420.173373][T18031] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  420.173826][T18031] RIP: 0033:0x7f1e4fab51e7
[ 420.174184][T18031] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  420.175374][T18031] RSP: 002b:00007ffd6442ecc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  420.175917][T18031] RAX: ffffffffffffffda RBX: 00007ffd6442f3f0 RCX: 00007f1e4fab51e7
[  420.176408][T18031] RDX: 0000000000000000 RSI: 00007ffd6442ed30 RDI: 0000000000000005
[  420.176931][T18031] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  420.177402][T18031] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd6442f428
[  420.177922][T18031] R13: 00000000686e6d19 R14: 0000000000499600 R15: 0000000000000000
| [  420.366533][T18033] ------------[ cut here ]------------
| [420.366863][T18033] WARNING: CPU: 0 PID: 18033 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  420.367481][T18033] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  420.368641][T18033] Tainted: [W]=WARN
[  420.368887][T18033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[420.369281][T18033] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 420.369605][T18033] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  420.371354][T18033] RSP: 0018:ffffc90006ce7080 EFLAGS: 00010246
[  420.372035][T18033] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  420.372864][T18033] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  420.373741][T18033] RBP: ffffc90006ce7168 R08: 0000000000000000 R09: 0000000000000000
[  420.374600][T18033] R10: ffffc90006ce7198 R11: ffffffff96ea8918 R12: 1ffff92000d9ce14
[  420.375478][T18033] R13: 00000000000005dc R14: ffffc90006ce7198 R15: ffff888013ac2f08
[  420.376379][T18033] FS:  00007f1588982800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  420.377434][T18033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  420.378168][T18033] CR2: 00000000004a1738 CR3: 0000000014ae8005 CR4: 0000000000772ef0
[  420.379071][T18033] PKRU: 55555554
[  420.379425][T18033] Call Trace:
[  420.379832][T18033]  <TASK>
[420.380000][T18033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[420.380330][T18033] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[420.380690][T18033] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[420.381090][T18033] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[420.381410][T18033] netif_set_mtu (net/core/dev.c:9652) 
[420.381856][T18033] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[420.382457][T18033] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[420.383260][T18033] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[420.383719][T18033] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[420.384288][T18033] br_add_if (net/bridge/br_if.c:697) bridge 
[420.384688][T18033] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[420.385034][T18033] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[420.385352][T18033] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[420.385719][T18033] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[420.386047][T18033] ? __dev_get_by_name (net/core/dev.c:865) 
[420.386376][T18033] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[420.386790][T18033] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[420.387401][T18033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[420.387983][T18033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[420.388473][T18033] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[420.388840][T18033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[420.389163][T18033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[420.389492][T18033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[420.389860][T18033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[420.390180][T18033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[420.390496][T18033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[420.390833][T18033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[420.391152][T18033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[420.391469][T18033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[420.391806][T18033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[420.392122][T18033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[420.392450][T18033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[420.392780][T18033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[420.393106][T18033] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[420.393421][T18033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[420.393885][T18033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[420.394444][T18033] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[420.394980][T18033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[420.395323][T18033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[420.395796][T18033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[420.396390][T18033] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[420.396963][T18033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[420.397687][T18033] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[420.398254][T18033] ___sys_sendmsg (net/socket.c:2670) 
[420.398845][T18033] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[420.399364][T18033] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[420.399933][T18033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[420.400454][T18033] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[420.401048][T18033] ? __handle_mm_fault (mm/memory.c:6212) 
[420.401604][T18033] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[420.402184][T18033] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[420.402785][T18033] __sys_sendmsg (net/socket.c:2700) 
[420.403348][T18033] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[420.403913][T18033] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[420.404488][T18033] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[420.405061][T18033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[420.405636][T18033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[420.406237][T18033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  420.406960][T18033] RIP: 0033:0x7f1588b4f1e7
[ 420.407547][T18033] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  420.410076][T18033] RSP: 002b:00007ffe5e0bdc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  420.410921][T18033] RAX: ffffffffffffffda RBX: 00007ffe5e0be330 RCX: 00007f1588b4f1e7
[  420.412233][T18033] RDX: 0000000000000000 RSI: 00007ffe5e0bdc70 RDI: 0000000000000005
[  420.413103][T18033] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  420.414104][T18033] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe5e0be368
[  420.414819][T18033] R13: 00000000686e6d1a R14: 0000000000499600 R15: 0000000000000000
| [  420.557807][T18035] ------------[ cut here ]------------
| [420.558192][T18035] WARNING: CPU: 0 PID: 18035 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  420.558975][T18035] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  420.560228][T18035] Tainted: [W]=WARN
[  420.560482][T18035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[420.560901][T18035] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 420.561338][T18035] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  420.562556][T18035] RSP: 0018:ffffc90006db7080 EFLAGS: 00010246
[  420.562997][T18035] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  420.563505][T18035] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  420.564020][T18035] RBP: ffffc90006db7168 R08: 0000000000000000 R09: 0000000000000000
[  420.564510][T18035] R10: ffffc90006db7198 R11: ffffffff96ea8918 R12: 1ffff92000db6e14
[  420.564995][T18035] R13: 00000000000005dc R14: ffffc90006db7198 R15: ffff888013ac2f08
[  420.565496][T18035] FS:  00007fc4c726a800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  420.566059][T18035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  420.566537][T18035] CR2: 00000000004a1738 CR3: 00000000140a6003 CR4: 0000000000772ef0
[  420.567032][T18035] PKRU: 55555554
[  420.567276][T18035] Call Trace:
[  420.567531][T18035]  <TASK>
[420.567705][T18035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[420.568125][T18035] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[420.568709][T18035] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[420.569263][T18035] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[420.569622][T18035] netif_set_mtu (net/core/dev.c:9652) 
[420.569956][T18035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[420.570285][T18035] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[420.570754][T18035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[420.571119][T18035] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[420.571574][T18035] br_add_if (net/bridge/br_if.c:697) bridge 
[420.571959][T18035] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[420.572277][T18035] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[420.572637][T18035] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[420.572973][T18035] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[420.573287][T18035] ? __dev_get_by_name (net/core/dev.c:865) 
[420.573641][T18035] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[420.573974][T18035] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[420.574301][T18035] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[420.574755][T18035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[420.575081][T18035] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[420.575414][T18035] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[420.575745][T18035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[420.576073][T18035] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[420.576399][T18035] ? __lock_release (kernel/locking/lockdep.c:5539) 
[420.576727][T18035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[420.577043][T18035] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[420.577364][T18035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[420.577727][T18035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[420.578052][T18035] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[420.578376][T18035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[420.578813][T18035] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[420.579144][T18035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[420.579477][T18035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[420.579806][T18035] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[420.580132][T18035] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[420.580490][T18035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[420.580825][T18035] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[420.581148][T18035] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[420.581500][T18035] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[420.581836][T18035] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[420.582156][T18035] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[420.582477][T18035] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[420.582882][T18035] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[420.583204][T18035] ___sys_sendmsg (net/socket.c:2670) 
[420.583531][T18035] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[420.583871][T18035] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[420.584190][T18035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[420.584541][T18035] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[420.584873][T18035] ? __handle_mm_fault (mm/memory.c:6212) 
[420.585188][T18035] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[420.585532][T18035] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[420.585877][T18035] __sys_sendmsg (net/socket.c:2700) 
[420.586199][T18035] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[420.586524][T18035] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[420.586859][T18035] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[420.587181][T18035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[420.587498][T18035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[420.587823][T18035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  420.588211][T18035] RIP: 0033:0x7fc4c74371e7
[ 420.588587][T18035] Code: Unable to access opcode bytes at 0x7fc4c74371bd.

Code starting with the faulting instruction
===========================================
[  420.589484][T18035] RSP: 002b:00007ffc38c4db18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  420.590196][T18035] RAX: ffffffffffffffda RBX: 00007ffc38c4e240 RCX: 00007fc4c74371e7
[  420.590678][T18035] RDX: 0000000000000000 RSI: 00007ffc38c4db80 RDI: 0000000000000005
[  420.591151][T18035] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  420.591620][T18035] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc38c4e278
[  420.592102][T18035] R13: 00000000686e6d1a R14: 0000000000499600 R15: 0000000000000000
| [  420.755302][T18037] ------------[ cut here ]------------
| [420.755907][T18037] WARNING: CPU: 3 PID: 18037 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  420.757015][T18037] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  420.758965][T18037] Tainted: [W]=WARN
[  420.759396][T18037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[420.760140][T18037] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 420.760831][T18037] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  420.763372][T18037] RSP: 0000:ffffc90006ce7080 EFLAGS: 00010246
[  420.764319][T18037] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  420.765226][T18037] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  420.766110][T18037] RBP: ffffc90006ce7168 R08: 0000000000000000 R09: 0000000000000000
[  420.766952][T18037] R10: ffffc90006ce7198 R11: ffffffff96ea8918 R12: 1ffff92000d9ce14
[  420.767749][T18037] R13: 00000000000005dc R14: ffffc90006ce7198 R15: ffff888013ac2f08
[  420.768551][T18037] FS:  00007fce46b52800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  420.769488][T18037] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  420.770173][T18037] CR2: 00007f8bd12b45a0 CR3: 0000000004ec7006 CR4: 0000000000772ef0
[  420.770993][T18037] PKRU: 55555554
[  420.771409][T18037] Call Trace:
[  420.771815][T18037]  <TASK>
[420.772094][T18037] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[420.772637][T18037] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[420.773191][T18037] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[420.773884][T18037] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[420.774517][T18037] netif_set_mtu (net/core/dev.c:9652) 
[420.775188][T18037] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[420.775880][T18037] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[420.776805][T18037] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[420.777327][T18037] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[420.778262][T18037] br_add_if (net/bridge/br_if.c:697) bridge 
[420.779034][T18037] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[420.779619][T18037] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[420.780243][T18037] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[420.780935][T18037] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[420.781575][T18037] ? __dev_get_by_name (net/core/dev.c:865) 
[420.782255][T18037] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[420.782956][T18037] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[420.783559][T18037] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[420.784235][T18037] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[420.784932][T18037] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[420.785596][T18037] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[420.786292][T18037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[420.787018][T18037] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[420.787619][T18037] ? __lock_release (kernel/locking/lockdep.c:5539) 
[420.788304][T18037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[420.788981][T18037] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[420.789638][T18037] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[420.790322][T18037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[420.791030][T18037] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[420.791693][T18037] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[420.792331][T18037] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[420.793040][T18037] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[420.793643][T18037] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[420.794291][T18037] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[420.794997][T18037] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[420.795640][T18037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[420.796348][T18037] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[420.797038][T18037] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[420.797725][T18037] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[420.798374][T18037] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[420.799009][T18037] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[420.799686][T18037] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[420.800459][T18037] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[420.801141][T18037] ___sys_sendmsg (net/socket.c:2670) 
[420.801815][T18037] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[420.802435][T18037] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[420.803130][T18037] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[420.803787][T18037] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[420.804461][T18037] ? __handle_mm_fault (mm/memory.c:6212) 
[420.805124][T18037] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[420.805807][T18037] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[420.806453][T18037] __sys_sendmsg (net/socket.c:2700) 
[420.807149][T18037] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[420.807811][T18037] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[420.808444][T18037] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[420.809141][T18037] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[420.809835][T18037] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[420.810448][T18037] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  420.811219][T18037] RIP: 0033:0x7fce46d1f1e7
[ 420.811930][T18037] Code: Unable to access opcode bytes at 0x7fce46d1f1bd.

Code starting with the faulting instruction
===========================================
[  420.812695][T18037] RSP: 002b:00007ffc6ad33208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  420.813572][T18037] RAX: ffffffffffffffda RBX: 00007ffc6ad33930 RCX: 00007fce46d1f1e7
[  420.814424][T18037] RDX: 0000000000000000 RSI: 00007ffc6ad33270 RDI: 0000000000000005
[  420.815286][T18037] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  420.816605][T18037] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6ad33968
[  420.817467][T18037] R13: 00000000686e6d1a R14: 0000000000499600 R15: 0000000000000000
| [  421.000085][T18039] ------------[ cut here ]------------
| [421.000397][T18039] WARNING: CPU: 1 PID: 18039 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  421.001047][T18039] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  421.002322][T18039] Tainted: [W]=WARN
[  421.002561][T18039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[421.003108][T18039] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 421.003430][T18039] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  421.004704][T18039] RSP: 0018:ffffc90006db7080 EFLAGS: 00010246
[  421.005099][T18039] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  421.005564][T18039] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  421.006179][T18039] RBP: ffffc90006db7168 R08: 0000000000000000 R09: 0000000000000000
[  421.006798][T18039] R10: ffffc90006db7198 R11: ffffffff96ea8918 R12: 1ffff92000db6e14
[  421.007272][T18039] R13: 00000000000005dc R14: ffffc90006db7198 R15: ffff888013ac2f08
[  421.007918][T18039] FS:  00007f276848f800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  421.008467][T18039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  421.008908][T18039] CR2: 00007fe7633b0270 CR3: 00000000100ad003 CR4: 0000000000772ef0
[  421.009376][T18039] PKRU: 55555554
[  421.009610][T18039] Call Trace:
[  421.009852][T18039]  <TASK>
[421.010015][T18039] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[421.010332][T18039] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[421.010659][T18039] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[421.011048][T18039] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[421.011362][T18039] netif_set_mtu (net/core/dev.c:9652) 
[421.011682][T18039] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[421.012004][T18039] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[421.012439][T18039] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[421.012688][T18039] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[421.013116][T18039] br_add_if (net/bridge/br_if.c:697) bridge 
[421.013473][T18039] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[421.013792][T18039] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[421.014107][T18039] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[421.014421][T18039] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[421.014745][T18039] ? __dev_get_by_name (net/core/dev.c:865) 
[421.015057][T18039] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.015373][T18039] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.015700][T18039] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[421.016009][T18039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.016328][T18039] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[421.016660][T18039] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[421.016978][T18039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.017300][T18039] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[421.017607][T18039] ? __lock_release (kernel/locking/lockdep.c:5539) 
[421.017930][T18039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.018241][T18039] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[421.018566][T18039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.018893][T18039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.019217][T18039] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[421.019529][T18039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.019850][T18039] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[421.020174][T18039] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[421.020484][T18039] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[421.020805][T18039] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[421.021120][T18039] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[421.021430][T18039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.021852][T18039] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[421.022173][T18039] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[421.022485][T18039] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[421.022811][T18039] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[421.023127][T18039] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[421.023438][T18039] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[421.023839][T18039] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[421.024162][T18039] ___sys_sendmsg (net/socket.c:2670) 
[421.024477][T18039] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[421.024796][T18039] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[421.025110][T18039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.025419][T18039] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[421.025748][T18039] ? __handle_mm_fault (mm/memory.c:6212) 
[421.026090][T18039] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[421.026400][T18039] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[421.026741][T18039] __sys_sendmsg (net/socket.c:2700) 
[421.027055][T18039] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[421.027366][T18039] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[421.027694][T18039] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[421.028014][T18039] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[421.028328][T18039] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[421.028644][T18039] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  421.029042][T18039] RIP: 0033:0x7f276865c1e7
[ 421.029367][T18039] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  421.030499][T18039] RSP: 002b:00007ffeca3ab9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  421.030981][T18039] RAX: ffffffffffffffda RBX: 00007ffeca3ac0d0 RCX: 00007f276865c1e7
[  421.031449][T18039] RDX: 0000000000000000 RSI: 00007ffeca3aba10 RDI: 0000000000000005
[  421.031924][T18039] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  421.032396][T18039] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeca3ac108
[  421.032869][T18039] R13: 00000000686e6d1a R14: 0000000000499600 R15: 0000000000000000
| [  421.181494][T18042] ------------[ cut here ]------------
| [421.181873][T18042] WARNING: CPU: 2 PID: 18042 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  421.182550][T18042] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  421.183795][T18042] Tainted: [W]=WARN
[  421.184060][T18042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[421.184484][T18042] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 421.184848][T18042] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  421.186041][T18042] RSP: 0000:ffffc90007f97080 EFLAGS: 00010246
[  421.186474][T18042] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  421.186997][T18042] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  421.187506][T18042] RBP: ffffc90007f97168 R08: 0000000000000000 R09: 0000000000000000
[  421.188029][T18042] R10: ffffc90007f97198 R11: ffffffff96ea8918 R12: 1ffff92000ff2e14
[  421.188552][T18042] R13: 00000000000005dc R14: ffffc90007f97198 R15: ffff888013ac2f08
[  421.189102][T18042] FS:  00007f66e3ebd800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  421.189730][T18042] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  421.190195][T18042] CR2: 00007f8bd126e330 CR3: 000000000e6a8006 CR4: 0000000000772ef0
[  421.190718][T18042] PKRU: 55555554
[  421.190982][T18042] Call Trace:
[  421.191245][T18042]  <TASK>
[421.191431][T18042] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[421.191790][T18042] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[421.192140][T18042] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[421.192577][T18042] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[421.192924][T18042] netif_set_mtu (net/core/dev.c:9652) 
[421.193257][T18042] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[421.193603][T18042] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[421.194077][T18042] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[421.194331][T18042] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[421.194797][T18042] br_add_if (net/bridge/br_if.c:697) bridge 
[421.195176][T18042] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[421.195505][T18042] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[421.195845][T18042] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[421.196176][T18042] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[421.196515][T18042] ? __dev_get_by_name (net/core/dev.c:865) 
[421.196866][T18042] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.197199][T18042] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.197539][T18042] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[421.197873][T18042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.198207][T18042] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[421.198552][T18042] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[421.198910][T18042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.199255][T18042] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[421.199579][T18042] ? __lock_release (kernel/locking/lockdep.c:5539) 
[421.199925][T18042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.200250][T18042] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[421.200578][T18042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.200918][T18042] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.201251][T18042] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[421.201583][T18042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.201921][T18042] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[421.202259][T18042] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[421.202582][T18042] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[421.202926][T18042] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[421.203258][T18042] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[421.203585][T18042] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.203929][T18042] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[421.204260][T18042] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[421.204588][T18042] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[421.204930][T18042] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[421.205265][T18042] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[421.206102][T18042] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[421.206520][T18042] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[421.206877][T18042] ___sys_sendmsg (net/socket.c:2670) 
[421.207213][T18042] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[421.207538][T18042] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[421.207875][T18042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.208203][T18042] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[421.208542][T18042] ? __handle_mm_fault (mm/memory.c:6212) 
[421.208885][T18042] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[421.209259][T18042] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[421.209628][T18042] __sys_sendmsg (net/socket.c:2700) 
[421.210012][T18042] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[421.210346][T18042] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[421.210691][T18042] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[421.211023][T18042] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[421.211364][T18042] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[421.211702][T18042] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  421.212105][T18042] RIP: 0033:0x7f66e408a1e7
[ 421.212442][T18042] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  421.213653][T18042] RSP: 002b:00007ffc73658418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  421.214167][T18042] RAX: ffffffffffffffda RBX: 00007ffc73658b40 RCX: 00007f66e408a1e7
[  421.215149][T18042] RDX: 0000000000000000 RSI: 00007ffc73658480 RDI: 0000000000000005
[  421.215663][T18042] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  421.216174][T18042] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc73658b78
[  421.216684][T18042] R13: 00000000686e6d1a R14: 0000000000499600 R15: 0000000000000000
| [  421.382753][T18043] ------------[ cut here ]------------
| [421.383084][T18043] WARNING: CPU: 2 PID: 18043 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  421.383731][T18043] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  421.384887][T18043] Tainted: [W]=WARN
[  421.385136][T18043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[421.385542][T18043] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 421.385885][T18043] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  421.387020][T18043] RSP: 0018:ffffc90007f97080 EFLAGS: 00010246
[  421.387428][T18043] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  421.387924][T18043] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  421.388408][T18043] RBP: ffffc90007f97168 R08: 0000000000000000 R09: 0000000000000000
[  421.388917][T18043] R10: ffffc90007f97198 R11: ffffffff96ea8918 R12: 1ffff92000ff2e14
[  421.389426][T18043] R13: 00000000000005dc R14: ffffc90007f97198 R15: ffff888013ac2f08
[  421.389961][T18043] FS:  00007f4f23e44800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  421.390564][T18043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  421.391001][T18043] CR2: 00000000004a1738 CR3: 000000000fbe1001 CR4: 0000000000772ef0
[  421.391519][T18043] PKRU: 55555554
[  421.391799][T18043] Call Trace:
[  421.392070][T18043]  <TASK>
[421.392257][T18043] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[421.392617][T18043] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[421.392981][T18043] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[421.393417][T18043] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[421.393777][T18043] netif_set_mtu (net/core/dev.c:9652) 
[421.394133][T18043] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[421.394500][T18043] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[421.394994][T18043] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[421.395270][T18043] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[421.395768][T18043] br_add_if (net/bridge/br_if.c:697) bridge 
[421.396187][T18043] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[421.396537][T18043] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[421.396899][T18043] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[421.397284][T18043] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[421.397621][T18043] ? __dev_get_by_name (net/core/dev.c:865) 
[421.397977][T18043] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.398328][T18043] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.398704][T18043] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[421.399050][T18043] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.399411][T18043] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[421.399783][T18043] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[421.400144][T18043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.400498][T18043] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[421.400871][T18043] ? __lock_release (kernel/locking/lockdep.c:5539) 
[421.401238][T18043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.401594][T18043] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[421.401954][T18043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.402308][T18043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.402674][T18043] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[421.403037][T18043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.403378][T18043] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[421.403745][T18043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[421.404077][T18043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[421.404422][T18043] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[421.404774][T18043] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[421.405109][T18043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.405447][T18043] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[421.405800][T18043] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[421.406134][T18043] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[421.406472][T18043] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[421.406817][T18043] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[421.407155][T18043] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[421.407577][T18043] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[421.407922][T18043] ___sys_sendmsg (net/socket.c:2670) 
[421.408253][T18043] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[421.408593][T18043] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[421.408968][T18043] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.409296][T18043] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[421.409633][T18043] ? __handle_mm_fault (mm/memory.c:6212) 
[421.409972][T18043] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[421.410314][T18043] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[421.410674][T18043] __sys_sendmsg (net/socket.c:2700) 
[421.411019][T18043] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[421.411356][T18043] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[421.411704][T18043] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[421.412036][T18043] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[421.412376][T18043] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[421.412713][T18043] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  421.413119][T18043] RIP: 0033:0x7f4f240111e7
[ 421.413459][T18043] Code: Unable to access opcode bytes at 0x7f4f240111bd.

Code starting with the faulting instruction
===========================================
[  421.413887][T18043] RSP: 002b:00007ffc44c0ab78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  421.414375][T18043] RAX: ffffffffffffffda RBX: 00007ffc44c0b2a0 RCX: 00007f4f240111e7
[  421.414873][T18043] RDX: 0000000000000000 RSI: 00007ffc44c0abe0 RDI: 0000000000000005
[  421.415382][T18043] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  421.415878][T18043] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc44c0b2d8
[  421.416365][T18043] R13: 00000000686e6d1b R14: 0000000000499600 R15: 0000000000000000
| [  421.568031][T18046] ------------[ cut here ]------------
| [421.568373][T18046] WARNING: CPU: 2 PID: 18046 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  421.569052][T18046] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  421.570275][T18046] Tainted: [W]=WARN
[  421.570549][T18046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[421.570991][T18046] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 421.571363][T18046] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  421.572585][T18046] RSP: 0018:ffffc90007f97080 EFLAGS: 00010246
[  421.573030][T18046] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  421.573550][T18046] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  421.574073][T18046] RBP: ffffc90007f97168 R08: 0000000000000000 R09: 0000000000000000
[  421.574586][T18046] R10: ffffc90007f97198 R11: ffffffff96ea8918 R12: 1ffff92000ff2e14
[  421.575117][T18046] R13: 00000000000005dc R14: ffffc90007f97198 R15: ffff888013ac2f08
[  421.575627][T18046] FS:  00007f28bcad7800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  421.576243][T18046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  421.576692][T18046] CR2: 00000000004a1738 CR3: 0000000013742003 CR4: 0000000000772ef0
[  421.577218][T18046] PKRU: 55555554
[  421.577483][T18046] Call Trace:
[  421.577755][T18046]  <TASK>
[421.577948][T18046] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[421.578307][T18046] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[421.578682][T18046] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[421.579120][T18046] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[421.579490][T18046] netif_set_mtu (net/core/dev.c:9652) 
[421.579848][T18046] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[421.580209][T18046] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[421.580715][T18046] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[421.580988][T18046] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[421.581452][T18046] br_add_if (net/bridge/br_if.c:697) bridge 
[421.581859][T18046] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[421.582215][T18046] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[421.582568][T18046] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[421.582937][T18046] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[421.583280][T18046] ? __dev_get_by_name (net/core/dev.c:865) 
[421.583619][T18046] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.583978][T18046] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.584350][T18046] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[421.584710][T18046] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.585065][T18046] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[421.585426][T18046] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[421.585790][T18046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.586199][T18046] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[421.586529][T18046] ? __lock_release (kernel/locking/lockdep.c:5539) 
[421.586885][T18046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.587226][T18046] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[421.587564][T18046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.587918][T18046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.588249][T18046] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[421.588597][T18046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.588942][T18046] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[421.589289][T18046] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[421.589617][T18046] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[421.589960][T18046] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[421.590298][T18046] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[421.590629][T18046] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.590980][T18046] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[421.591338][T18046] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[421.591690][T18046] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[421.592054][T18046] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[421.592401][T18046] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[421.592760][T18046] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[421.593193][T18046] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[421.593542][T18046] ___sys_sendmsg (net/socket.c:2670) 
[421.593901][T18046] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[421.594261][T18046] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[421.594616][T18046] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.594977][T18046] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[421.595330][T18046] ? __handle_mm_fault (mm/memory.c:6212) 
[421.595684][T18046] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[421.596033][T18046] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[421.596395][T18046] __sys_sendmsg (net/socket.c:2700) 
[421.596752][T18046] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[421.597104][T18046] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[421.597456][T18046] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[421.597810][T18046] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[421.598160][T18046] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[421.598506][T18046] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  421.598979][T18046] RIP: 0033:0x7f28bcca41e7
[ 421.599342][T18046] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  421.600543][T18046] RSP: 002b:00007fffc5795668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  421.601046][T18046] RAX: ffffffffffffffda RBX: 00007fffc5795d90 RCX: 00007f28bcca41e7
[  421.601546][T18046] RDX: 0000000000000000 RSI: 00007fffc57956d0 RDI: 0000000000000005
[  421.602047][T18046] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  421.602533][T18046] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc5795dc8
[  421.603043][T18046] R13: 00000000686e6d1b R14: 0000000000499600 R15: 0000000000000000
| [  421.772587][T18047] ------------[ cut here ]------------
| [421.772955][T18047] WARNING: CPU: 3 PID: 18047 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  421.773612][T18047] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  421.774810][T18047] Tainted: [W]=WARN
[  421.775064][T18047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[421.775482][T18047] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 421.775827][T18047] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  421.777015][T18047] RSP: 0018:ffffc90007f97080 EFLAGS: 00010246
[  421.777432][T18047] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  421.777936][T18047] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  421.778439][T18047] RBP: ffffc90007f97168 R08: 0000000000000000 R09: 0000000000000000
[  421.778973][T18047] R10: ffffc90007f97198 R11: ffffffff96ea8918 R12: 1ffff92000ff2e14
[  421.779466][T18047] R13: 00000000000005dc R14: ffffc90007f97198 R15: ffff888013ac2f08
[  421.779969][T18047] FS:  00007ff2fd3f8800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  421.780659][T18047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  421.781080][T18047] CR2: 00007ff2fd60c5c0 CR3: 0000000012fed001 CR4: 0000000000772ef0
[  421.781578][T18047] PKRU: 55555554
[  421.781831][T18047] Call Trace:
[  421.782078][T18047]  <TASK>
[421.782253][T18047] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[421.782606][T18047] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[421.782955][T18047] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[421.783374][T18047] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[421.783716][T18047] netif_set_mtu (net/core/dev.c:9652) 
[421.784046][T18047] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[421.784387][T18047] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[421.784854][T18047] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[421.785106][T18047] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[421.785557][T18047] br_add_if (net/bridge/br_if.c:697) bridge 
[421.785946][T18047] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[421.786283][T18047] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[421.786618][T18047] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[421.786971][T18047] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[421.787304][T18047] ? __dev_get_by_name (net/core/dev.c:865) 
[421.787632][T18047] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.787978][T18047] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.788314][T18047] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[421.788645][T18047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.788992][T18047] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[421.789332][T18047] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[421.789675][T18047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.790022][T18047] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[421.790387][T18047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[421.790738][T18047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.791072][T18047] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[421.791404][T18047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.791749][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.792088][T18047] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[421.792427][T18047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.792772][T18047] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[421.793120][T18047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[421.793450][T18047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[421.793790][T18047] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[421.794123][T18047] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[421.794457][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.794799][T18047] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[421.795133][T18047] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[421.795453][T18047] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[421.795806][T18047] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[421.796135][T18047] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[421.796449][T18047] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[421.796862][T18047] ___sys_sendmsg (net/socket.c:2670) 
[421.797189][T18047] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[421.797528][T18047] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[421.797887][T18047] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[421.798232][T18047] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[421.798567][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.798905][T18047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[421.799237][T18047] __sys_sendmsg (net/socket.c:2700) 
[421.799559][T18047] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[421.799901][T18047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[421.800222][T18047] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[421.800556][T18047] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  421.800955][T18047] RIP: 0033:0x7ff2fd5c51e7
[ 421.801284][T18047] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  421.802417][T18047] RSP: 002b:00007ffcecb51dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  421.802928][T18047] RAX: ffffffffffffffda RBX: 00007ffcecb52500 RCX: 00007ff2fd5c51e7
[  421.803434][T18047] RDX: 0000000000000000 RSI: 00007ffcecb51e40 RDI: 0000000000000005
[  421.803933][T18047] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  421.804426][T18047] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcecb52538
[  421.804930][T18047] R13: 00000000686e6d1b R14: 0000000000499600 R15: 0000000000000000
| [  421.965896][T18049] ------------[ cut here ]------------
| [421.966267][T18049] WARNING: CPU: 2 PID: 18049 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  421.966946][T18049] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  421.968175][T18049] Tainted: [W]=WARN
[  421.968443][T18049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[421.968944][T18049] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 421.969304][T18049] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  421.970582][T18049] RSP: 0018:ffffc9000b347080 EFLAGS: 00010246
[  421.971009][T18049] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  421.971507][T18049] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  421.972002][T18049] RBP: ffffc9000b347168 R08: 0000000000000000 R09: 0000000000000000
[  421.972483][T18049] R10: ffffc9000b347198 R11: ffffffff96ea8918 R12: 1ffff92001668e14
[  421.973032][T18049] R13: 00000000000005dc R14: ffffc9000b347198 R15: ffff888013ac2f08
[  421.973527][T18049] FS:  00007f2e2febe800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  421.974101][T18049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  421.974510][T18049] CR2: 00000000004a1738 CR3: 000000000ca6a004 CR4: 0000000000772ef0
[  421.975011][T18049] PKRU: 55555554
[  421.975263][T18049] Call Trace:
[  421.975509][T18049]  <TASK>
[421.975701][T18049] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[421.976037][T18049] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[421.976381][T18049] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[421.976857][T18049] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[421.977210][T18049] netif_set_mtu (net/core/dev.c:9652) 
[421.977551][T18049] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[421.977907][T18049] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[421.978379][T18049] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[421.978666][T18049] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[421.979138][T18049] br_add_if (net/bridge/br_if.c:697) bridge 
[421.979528][T18049] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[421.979873][T18049] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[421.980223][T18049] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[421.980565][T18049] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[421.980947][T18049] ? __dev_get_by_name (net/core/dev.c:865) 
[421.981306][T18049] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.981644][T18049] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[421.982001][T18049] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[421.982338][T18049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.982687][T18049] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[421.983030][T18049] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[421.983382][T18049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.983730][T18049] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[421.984080][T18049] ? __lock_release (kernel/locking/lockdep.c:5539) 
[421.984433][T18049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[421.984818][T18049] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[421.985169][T18049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.985520][T18049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.985881][T18049] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[421.986224][T18049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[421.986570][T18049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[421.986927][T18049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[421.987267][T18049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[421.987614][T18049] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[421.987958][T18049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[421.988300][T18049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[421.988719][T18049] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[421.989084][T18049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[421.989432][T18049] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[421.989796][T18049] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[421.990145][T18049] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[421.990479][T18049] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[421.990911][T18049] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[421.991267][T18049] ___sys_sendmsg (net/socket.c:2670) 
[421.991613][T18049] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[421.991961][T18049] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[421.992306][T18049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[421.992664][T18049] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[421.993029][T18049] ? __handle_mm_fault (mm/memory.c:6212) 
[421.993383][T18049] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[421.993723][T18049] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[421.994090][T18049] __sys_sendmsg (net/socket.c:2700) 
[421.994434][T18049] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[421.994782][T18049] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[421.995137][T18049] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[421.995495][T18049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[421.995841][T18049] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[421.996180][T18049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  421.996607][T18049] RIP: 0033:0x7f2e3008b1e7
[ 421.996993][T18049] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  421.998188][T18049] RSP: 002b:00007ffe0e548ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  421.998713][T18049] RAX: ffffffffffffffda RBX: 00007ffe0e5492d0 RCX: 00007f2e3008b1e7
[  421.999210][T18049] RDX: 0000000000000000 RSI: 00007ffe0e548c10 RDI: 0000000000000005
[  421.999703][T18049] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  422.000203][T18049] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0e549308
[  422.000738][T18049] R13: 00000000686e6d1b R14: 0000000000499600 R15: 0000000000000000
| [  422.147928][T18052] ------------[ cut here ]------------
| [422.148275][T18052] WARNING: CPU: 2 PID: 18052 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  422.148954][T18052] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  422.150149][T18052] Tainted: [W]=WARN
[  422.150401][T18052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[422.150828][T18052] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 422.151173][T18052] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  422.152331][T18052] RSP: 0018:ffffc90007f97080 EFLAGS: 00010246
[  422.152761][T18052] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  422.153253][T18052] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  422.153759][T18052] RBP: ffffc90007f97168 R08: 0000000000000000 R09: 0000000000000000
[  422.154258][T18052] R10: ffffc90007f97198 R11: ffffffff96ea8918 R12: 1ffff92000ff2e14
[  422.154762][T18052] R13: 00000000000005dc R14: ffffc90007f97198 R15: ffff888013ac2f08
[  422.155266][T18052] FS:  00007fad2b3ef800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  422.155839][T18052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  422.156267][T18052] CR2: 00000000004a1738 CR3: 000000000e63f004 CR4: 0000000000772ef0
[  422.156779][T18052] PKRU: 55555554
[  422.157034][T18052] Call Trace:
[  422.157283][T18052]  <TASK>
[422.157468][T18052] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[422.157815][T18052] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[422.158147][T18052] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[422.158565][T18052] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[422.158929][T18052] netif_set_mtu (net/core/dev.c:9652) 
[422.159265][T18052] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[422.159616][T18052] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[422.160127][T18052] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[422.160388][T18052] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[422.160853][T18052] br_add_if (net/bridge/br_if.c:697) bridge 
[422.161244][T18052] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[422.161579][T18052] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[422.161921][T18052] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[422.162265][T18052] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[422.162594][T18052] ? __dev_get_by_name (net/core/dev.c:865) 
[422.162935][T18052] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[422.163261][T18052] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[422.163601][T18052] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[422.163944][T18052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[422.164289][T18052] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[422.164634][T18052] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[422.164984][T18052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[422.165322][T18052] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[422.165656][T18052] ? __lock_release (kernel/locking/lockdep.c:5539) 
[422.165999][T18052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[422.166332][T18052] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[422.166676][T18052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[422.167015][T18052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[422.167361][T18052] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[422.167699][T18052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[422.168035][T18052] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[422.168377][T18052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[422.168729][T18052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[422.169069][T18052] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[422.169400][T18052] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[422.169735][T18052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[422.170126][T18052] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[422.170480][T18052] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[422.170840][T18052] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[422.171196][T18052] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[422.171547][T18052] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[422.171904][T18052] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[422.172345][T18052] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[422.172711][T18052] ___sys_sendmsg (net/socket.c:2670) 
[422.173066][T18052] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[422.173412][T18052] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[422.173772][T18052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[422.174120][T18052] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[422.174472][T18052] ? __handle_mm_fault (mm/memory.c:6212) 
[422.174827][T18052] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[422.175177][T18052] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[422.175536][T18052] __sys_sendmsg (net/socket.c:2700) 
[422.175896][T18052] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[422.176245][T18052] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[422.176606][T18052] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[422.176961][T18052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[422.177312][T18052] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[422.177674][T18052] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  422.178123][T18052] RIP: 0033:0x7fad2b5bc1e7
[ 422.178479][T18052] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  422.179733][T18052] RSP: 002b:00007ffd5ef1c078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  422.180264][T18052] RAX: ffffffffffffffda RBX: 00007ffd5ef1c7a0 RCX: 00007fad2b5bc1e7
[  422.180794][T18052] RDX: 0000000000000000 RSI: 00007ffd5ef1c0e0 RDI: 0000000000000005
[  422.181313][T18052] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  422.181832][T18052] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5ef1c7d8
[  422.182353][T18052] R13: 00000000686e6d1b R14: 0000000000499600 R15: 0000000000000000
| [  422.337095][T18054] ------------[ cut here ]------------
| [422.337443][T18054] WARNING: CPU: 3 PID: 18054 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  422.338182][T18054] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  422.339443][T18054] Tainted: [W]=WARN
[  422.339715][T18054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[422.340153][T18054] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 422.340514][T18054] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  422.341768][T18054] RSP: 0018:ffffc9000b327080 EFLAGS: 00010246
[  422.342213][T18054] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  422.342778][T18054] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  422.343313][T18054] RBP: ffffc9000b327168 R08: 0000000000000000 R09: 0000000000000000
[  422.343851][T18054] R10: ffffc9000b327198 R11: ffffffff96ea8918 R12: 1ffff92001664e14
[  422.344379][T18054] R13: 00000000000005dc R14: ffffc9000b327198 R15: ffff888013ac2f08
[  422.344913][T18054] FS:  00007f8c8f723800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  422.345530][T18054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  422.345988][T18054] CR2: 00007f8bd10e7a00 CR3: 0000000008dae003 CR4: 0000000000772ef0
[  422.346521][T18054] PKRU: 55555554
[  422.346792][T18054] Call Trace:
[  422.347054][T18054]  <TASK>
[422.347237][T18054] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[422.347594][T18054] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[422.347970][T18054] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[422.348412][T18054] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[422.348783][T18054] netif_set_mtu (net/core/dev.c:9652) 
[422.349132][T18054] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[422.349496][T18054] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[422.350001][T18054] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[422.350268][T18054] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[422.350761][T18054] br_add_if (net/bridge/br_if.c:697) bridge 
[422.351162][T18054] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[422.351515][T18054] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[422.351883][T18054] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[422.352238][T18054] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[422.352585][T18054] ? __dev_get_by_name (net/core/dev.c:865) 
[422.352936][T18054] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[422.353278][T18054] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[422.353630][T18054] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[422.353997][T18054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[422.354358][T18054] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[422.354726][T18054] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[422.355084][T18054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[422.355448][T18054] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[422.355803][T18054] ? __lock_release (kernel/locking/lockdep.c:5539) 
[422.356156][T18054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[422.356513][T18054] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[422.356872][T18054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[422.357232][T18054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[422.357590][T18054] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[422.357951][T18054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[422.358311][T18054] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[422.358695][T18054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[422.359051][T18054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[422.359404][T18054] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[422.359780][T18054] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[422.360142][T18054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[422.360505][T18054] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[422.360866][T18054] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[422.361223][T18054] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[422.361585][T18054] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[422.361952][T18054] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[422.362307][T18054] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[422.362763][T18054] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[422.363122][T18054] ___sys_sendmsg (net/socket.c:2670) 
[422.363482][T18054] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[422.363840][T18054] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[422.364198][T18054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[422.364557][T18054] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[422.364927][T18054] ? __handle_mm_fault (mm/memory.c:6212) 
[422.365282][T18054] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[422.365634][T18054] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[422.366013][T18054] __sys_sendmsg (net/socket.c:2700) 
[422.366369][T18054] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[422.366727][T18054] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[422.367090][T18054] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[422.367446][T18054] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[422.367821][T18054] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[422.368184][T18054] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  422.368660][T18054] RIP: 0033:0x7f8c8f8f01e7
[ 422.369026][T18054] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  422.370281][T18054] RSP: 002b:00007ffe30258688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  422.370822][T18054] RAX: ffffffffffffffda RBX: 00007ffe30258db0 RCX: 00007f8c8f8f01e7
[  422.371350][T18054] RDX: 0000000000000000 RSI: 00007ffe302586f0 RDI: 0000000000000005
[  422.371883][T18054] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  422.372413][T18054] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe30258de8
[  422.372961][T18054] R13: 00000000686e6d1c R14: 0000000000499600 R15: 0000000000000000
| [  422.543157][T18055] ------------[ cut here ]------------
| [422.543516][T18055] WARNING: CPU: 2 PID: 18055 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  422.544262][T18055] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  422.545523][T18055] Tainted: [W]=WARN
[  422.545798][T18055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[422.546230][T18055] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 422.546588][T18055] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  422.547780][T18055] RSP: 0018:ffffc9000b2e7080 EFLAGS: 00010246
[  422.548223][T18055] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  422.548763][T18055] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  422.549268][T18055] RBP: ffffc9000b2e7168 R08: 0000000000000000 R09: 0000000000000000
[  422.549815][T18055] R10: ffffc9000b2e7198 R11: ffffffff96ea8918 R12: 1ffff9200165ce14
[  422.550314][T18055] R13: 00000000000005dc R14: ffffc9000b2e7198 R15: ffff888013ac2f08
[  422.550829][T18055] FS:  00007fa972a15800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  422.551426][T18055] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  422.551878][T18055] CR2: 00000000004a1738 CR3: 00000000145a9001 CR4: 0000000000772ef0
[  422.552381][T18055] PKRU: 55555554
[  422.552631][T18055] Call Trace:
[  422.552890][T18055]  <TASK>
[422.553073][T18055] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[422.553415][T18055] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[422.553772][T18055] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[422.554193][T18055] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[422.554536][T18055] netif_set_mtu (net/core/dev.c:9652) 
[422.554882][T18055] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[422.555228][T18055] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[422.555722][T18055] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[422.555985][T18055] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[422.556446][T18055] br_add_if (net/bridge/br_if.c:697) bridge 
[422.556847][T18055] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[422.557190][T18055] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[422.557529][T18055] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[422.557894][T18055] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[422.558226][T18055] ? __dev_get_by_name (net/core/dev.c:865) 
[422.558581][T18055] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[422.558970][T18055] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[422.559340][T18055] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[422.559703][T18055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[422.560073][T18055] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[422.560435][T18055] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[422.560809][T18055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[422.561189][T18055] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[422.561552][T18055] ? __lock_release (kernel/locking/lockdep.c:5539) 
[422.561932][T18055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[422.562291][T18055] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[422.562658][T18055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[422.563014][T18055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[422.563369][T18055] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[422.563734][T18055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[422.564085][T18055] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[422.564447][T18055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[422.564816][T18055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[422.565172][T18055] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[422.565531][T18055] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[422.565894][T18055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[422.566254][T18055] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[422.566703][T18055] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[422.567071][T18055] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[422.567443][T18055] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[422.567807][T18055] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[422.568163][T18055] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[422.568609][T18055] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[422.568991][T18055] ___sys_sendmsg (net/socket.c:2670) 
[422.569349][T18055] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[422.569711][T18055] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[422.570070][T18055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[422.570436][T18055] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[422.570821][T18055] ? __handle_mm_fault (mm/memory.c:6212) 
[422.571174][T18055] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[422.571524][T18055] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[422.571905][T18055] __sys_sendmsg (net/socket.c:2700) 
[422.572261][T18055] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[422.572612][T18055] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[422.572995][T18055] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[422.573351][T18055] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[422.573715][T18055] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[422.574069][T18055] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  422.574501][T18055] RIP: 0033:0x7fa972be21e7
[ 422.574884][T18055] Code: Unable to access opcode bytes at 0x7fa972be21bd.

Code starting with the faulting instruction
===========================================
[  422.575350][T18055] RSP: 002b:00007ffef1e13e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  422.575893][T18055] RAX: ffffffffffffffda RBX: 00007ffef1e145b0 RCX: 00007fa972be21e7
[  422.576418][T18055] RDX: 0000000000000000 RSI: 00007ffef1e13ef0 RDI: 0000000000000005
[  422.576975][T18055] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  422.577473][T18055] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef1e145e8
[  422.577997][T18055] R13: 00000000686e6d1c R14: 0000000000499600 R15: 0000000000000000
| [  422.718694][T18057] ------------[ cut here ]------------
| [422.719152][T18057] WARNING: CPU: 2 PID: 18057 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  422.720288][T18057] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  422.721934][T18057] Tainted: [W]=WARN
[  422.722276][T18057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[422.722872][T18057] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 422.723251][T18057] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  422.725001][T18057] RSP: 0018:ffffc9000b2e7080 EFLAGS: 00010246
[  422.725457][T18057] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  422.725979][T18057] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  422.726586][T18057] RBP: ffffc9000b2e7168 R08: 0000000000000000 R09: 0000000000000000
[  422.727269][T18057] R10: ffffc9000b2e7198 R11: ffffffff96ea8918 R12: 1ffff9200165ce14
[  422.727841][T18057] R13: 00000000000005dc R14: ffffc9000b2e7198 R15: ffff888013ac2f08
[  422.728612][T18057] FS:  00007fa72b769800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  422.729603][T18057] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  422.730209][T18057] CR2: 00000000004a1738 CR3: 000000000952e006 CR4: 0000000000772ef0
[  422.731000][T18057] PKRU: 55555554
[  422.731306][T18057] Call Trace:
[  422.731577][T18057]  <TASK>
[422.731843][T18057] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[422.732281][T18057] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[422.732661][T18057] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[422.733331][T18057] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[422.733961][T18057] netif_set_mtu (net/core/dev.c:9652) 
[422.734504][T18057] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[422.735060][T18057] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[422.735849][T18057] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[422.736219][T18057] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[422.736830][T18057] br_add_if (net/bridge/br_if.c:697) bridge 
[422.737410][T18057] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[422.738010][T18057] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[422.738433][T18057] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[422.738865][T18057] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[422.739211][T18057] ? __dev_get_by_name (net/core/dev.c:865) 
[422.739547][T18057] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[422.739995][T18057] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[422.740495][T18057] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[422.740944][T18057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[422.741332][T18057] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[422.741804][T18057] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[422.742234][T18057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[422.742859][T18057] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[422.743216][T18057] ? __lock_release (kernel/locking/lockdep.c:5539) 
[422.743622][T18057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[422.744028][T18057] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[422.744437][T18057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[422.744971][T18057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[422.745557][T18057] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[422.745968][T18057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[422.746581][T18057] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[422.747002][T18057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[422.747530][T18057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[422.747988][T18057] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[422.748453][T18057] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[422.748884][T18057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[422.749224][T18057] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[422.749554][T18057] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[422.749927][T18057] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[422.750265][T18057] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[422.750595][T18057] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[422.750928][T18057] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[422.751574][T18057] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[422.752144][T18057] ___sys_sendmsg (net/socket.c:2670) 
[422.752477][T18057] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[422.752837][T18057] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[422.753171][T18057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[422.753519][T18057] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[422.753864][T18057] ? __handle_mm_fault (mm/memory.c:6212) 
[422.754204][T18057] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[422.754531][T18057] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[422.754886][T18057] __sys_sendmsg (net/socket.c:2700) 
[422.755221][T18057] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[422.755545][T18057] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[422.755922][T18057] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[422.756254][T18057] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[422.756582][T18057] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[422.756920][T18057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  422.757318][T18057] RIP: 0033:0x7fa72b9361e7
[ 422.757674][T18057] Code: Unable to access opcode bytes at 0x7fa72b9361bd.

Code starting with the faulting instruction
===========================================
[  422.758092][T18057] RSP: 002b:00007ffe6855b788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  422.758588][T18057] RAX: ffffffffffffffda RBX: 00007ffe6855beb0 RCX: 00007fa72b9361e7
[  422.759085][T18057] RDX: 0000000000000000 RSI: 00007ffe6855b7f0 RDI: 0000000000000005
[  422.759566][T18057] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  422.760063][T18057] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6855bee8
[  422.760548][T18057] R13: 00000000686e6d1c R14: 0000000000499600 R15: 0000000000000000
| [  422.922045][T18059] ------------[ cut here ]------------
| [422.922359][T18059] WARNING: CPU: 3 PID: 18059 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  422.923084][T18059] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  422.924251][T18059] Tainted: [W]=WARN
[  422.924490][T18059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[422.924895][T18059] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 422.925223][T18059] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  422.926367][T18059] RSP: 0018:ffffc9000b2e7080 EFLAGS: 00010246
[  422.926776][T18059] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  422.927260][T18059] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  422.927743][T18059] RBP: ffffc9000b2e7168 R08: 0000000000000000 R09: 0000000000000000
[  422.928222][T18059] R10: ffffc9000b2e7198 R11: ffffffff96ea8918 R12: 1ffff9200165ce14
[  422.928715][T18059] R13: 00000000000005dc R14: ffffc9000b2e7198 R15: ffff888013ac2f08
[  422.929198][T18059] FS:  00007f8db242f800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  422.929764][T18059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  422.930162][T18059] CR2: 00000000004a1738 CR3: 000000000ca4c002 CR4: 0000000000772ef0
[  422.930664][T18059] PKRU: 55555554
[  422.930906][T18059] Call Trace:
[  422.931142][T18059]  <TASK>
[422.931304][T18059] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[422.931628][T18059] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[422.931961][T18059] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[422.932365][T18059] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[422.932694][T18059] netif_set_mtu (net/core/dev.c:9652) 
[422.933018][T18059] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[422.933354][T18059] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[422.933807][T18059] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[422.934046][T18059] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[422.934487][T18059] br_add_if (net/bridge/br_if.c:697) bridge 
[422.934863][T18059] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[422.935180][T18059] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[422.935498][T18059] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[422.935828][T18059] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[422.936137][T18059] ? __dev_get_by_name (net/core/dev.c:865) 
[422.936451][T18059] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[422.936775][T18059] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[422.937113][T18059] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[422.937426][T18059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[422.937763][T18059] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[422.938088][T18059] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[422.938407][T18059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[422.938763][T18059] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[422.939078][T18059] ? __lock_release (kernel/locking/lockdep.c:5539) 
[422.939397][T18059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[422.939721][T18059] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[422.940038][T18059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[422.940355][T18059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[422.940689][T18059] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[422.941004][T18059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[422.941319][T18059] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[422.941666][T18059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[422.941995][T18059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[422.942313][T18059] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[422.942635][T18059] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[422.942959][T18059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[422.943279][T18059] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[422.943595][T18059] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[422.943918][T18059] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[422.944244][T18059] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[422.944578][T18059] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[422.944901][T18059] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[422.945295][T18059] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[422.945615][T18059] ___sys_sendmsg (net/socket.c:2670) 
[422.945959][T18059] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[422.946282][T18059] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[422.946596][T18059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[422.946915][T18059] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[422.947234][T18059] ? __handle_mm_fault (mm/memory.c:6212) 
[422.947548][T18059] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[422.947867][T18059] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[422.948209][T18059] __sys_sendmsg (net/socket.c:2700) 
[422.948527][T18059] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[422.948863][T18059] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[422.949194][T18059] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[422.949518][T18059] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[422.949849][T18059] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[422.950170][T18059] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  422.950563][T18059] RIP: 0033:0x7f8db25fc1e7
[ 422.950906][T18059] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  422.952085][T18059] RSP: 002b:00007ffd0af84bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  422.952584][T18059] RAX: ffffffffffffffda RBX: 00007ffd0af852e0 RCX: 00007f8db25fc1e7
[  422.953091][T18059] RDX: 0000000000000000 RSI: 00007ffd0af84c20 RDI: 0000000000000005
[  422.953573][T18059] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  422.954071][T18059] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0af85318
[  422.954553][T18059] R13: 00000000686e6d1c R14: 0000000000499600 R15: 0000000000000000
| [  423.168150][T18062] ------------[ cut here ]------------
| [423.168470][T18062] WARNING: CPU: 1 PID: 18062 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  423.169897][T18062] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  423.171128][T18062] Tainted: [W]=WARN
[  423.171366][T18062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[423.171761][T18062] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 423.172087][T18062] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  423.173213][T18062] RSP: 0018:ffffc9000b2e7080 EFLAGS: 00010246
[  423.173608][T18062] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  423.174091][T18062] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  423.174559][T18062] RBP: ffffc9000b2e7168 R08: 0000000000000000 R09: 0000000000000000
[  423.175032][T18062] R10: ffffc9000b2e7198 R11: ffffffff96ea8918 R12: 1ffff9200165ce14
[  423.175501][T18062] R13: 00000000000005dc R14: ffffc9000b2e7198 R15: ffff888013ac2f08
[  423.175975][T18062] FS:  00007f571965b800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  423.176519][T18062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  423.176922][T18062] CR2: 00007f8bd10e7a00 CR3: 00000000139c8005 CR4: 0000000000772ef0
[  423.177390][T18062] PKRU: 55555554
[  423.177625][T18062] Call Trace:
[  423.177866][T18062]  <TASK>
[423.178029][T18062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[423.178347][T18062] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[423.178682][T18062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[423.179075][T18062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[423.179390][T18062] netif_set_mtu (net/core/dev.c:9652) 
[423.179714][T18062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[423.180039][T18062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[423.180475][T18062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[423.180727][T18062] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[423.181156][T18062] br_add_if (net/bridge/br_if.c:697) bridge 
[423.181516][T18062] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[423.181835][T18062] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[423.182155][T18062] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[423.182473][T18062] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[423.182793][T18062] ? __dev_get_by_name (net/core/dev.c:865) 
[423.183106][T18062] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[423.183416][T18062] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[423.183741][T18062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[423.184052][T18062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[423.184372][T18062] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[423.184706][T18062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[423.185023][T18062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[423.185345][T18062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[423.185662][T18062] ? __lock_release (kernel/locking/lockdep.c:5539) 
[423.185975][T18062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[423.186286][T18062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[423.186603][T18062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[423.186929][T18062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.187252][T18062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[423.187569][T18062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[423.187891][T18062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[423.188215][T18062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[423.188531][T18062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[423.188877][T18062] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[423.189192][T18062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[423.189502][T18062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.189828][T18062] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[423.190144][T18062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[423.190460][T18062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[423.190789][T18062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[423.191103][T18062] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[423.191413][T18062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[423.191824][T18062] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[423.192143][T18062] ___sys_sendmsg (net/socket.c:2670) 
[423.192457][T18062] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[423.192784][T18062] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[423.193103][T18062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[423.193416][T18062] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[423.193741][T18062] ? __handle_mm_fault (mm/memory.c:6212) 
[423.194056][T18062] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[423.194366][T18062] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[423.194702][T18062] __sys_sendmsg (net/socket.c:2700) 
[423.195013][T18062] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[423.195334][T18062] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[423.195667][T18062] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[423.195986][T18062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[423.196301][T18062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[423.196612][T18062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  423.197005][T18062] RIP: 0033:0x7f57198281e7
[ 423.197328][T18062] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  423.198450][T18062] RSP: 002b:00007ffc11ffb188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  423.198957][T18062] RAX: ffffffffffffffda RBX: 00007ffc11ffb8b0 RCX: 00007f57198281e7
[  423.199440][T18062] RDX: 0000000000000000 RSI: 00007ffc11ffb1f0 RDI: 0000000000000005
[  423.199918][T18062] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  423.200390][T18062] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc11ffb8e8
[  423.200867][T18062] R13: 00000000686e6d1c R14: 0000000000499600 R15: 0000000000000000
| [  423.368199][T18063] ------------[ cut here ]------------
| [423.368553][T18063] WARNING: CPU: 3 PID: 18063 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  423.369281][T18063] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  423.370489][T18063] Tainted: [W]=WARN
[  423.370763][T18063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[423.371178][T18063] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 423.371523][T18063] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  423.372728][T18063] RSP: 0018:ffffc90006427080 EFLAGS: 00010246
[  423.373150][T18063] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  423.373676][T18063] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  423.374173][T18063] RBP: ffffc90006427168 R08: 0000000000000000 R09: 0000000000000000
[  423.374689][T18063] R10: ffffc90006427198 R11: ffffffff96ea8918 R12: 1ffff92000c84e14
[  423.375184][T18063] R13: 00000000000005dc R14: ffffc90006427198 R15: ffff888013ac2f08
[  423.375706][T18063] FS:  00007f9e3a2be800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  423.376289][T18063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  423.376723][T18063] CR2: 00000000004a1738 CR3: 00000000131ae005 CR4: 0000000000772ef0
[  423.377225][T18063] PKRU: 55555554
[  423.377477][T18063] Call Trace:
[  423.377756][T18063]  <TASK>
[423.377936][T18063] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[423.378284][T18063] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[423.378665][T18063] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[423.379104][T18063] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[423.379441][T18063] netif_set_mtu (net/core/dev.c:9652) 
[423.379797][T18063] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[423.380151][T18063] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[423.380620][T18063] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[423.380904][T18063] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[423.381367][T18063] br_add_if (net/bridge/br_if.c:697) bridge 
[423.381763][T18063] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[423.382115][T18063] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[423.382452][T18063] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[423.382912][T18063] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[423.383277][T18063] ? __dev_get_by_name (net/core/dev.c:865) 
[423.383629][T18063] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[423.383999][T18063] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[423.384343][T18063] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[423.384685][T18063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[423.385040][T18063] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[423.385387][T18063] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[423.385742][T18063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[423.386116][T18063] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[423.386454][T18063] ? __lock_release (kernel/locking/lockdep.c:5539) 
[423.386803][T18063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[423.387151][T18063] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[423.387484][T18063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[423.387833][T18063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.388188][T18063] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[423.388520][T18063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[423.388880][T18063] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[423.389239][T18063] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[423.389573][T18063] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[423.389919][T18063] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[423.390270][T18063] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[423.390613][T18063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.390968][T18063] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[423.391327][T18063] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[423.391675][T18063] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[423.392019][T18063] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[423.392372][T18063] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[423.392714][T18063] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[423.393150][T18063] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[423.393493][T18063] ___sys_sendmsg (net/socket.c:2670) 
[423.393847][T18063] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[423.394194][T18063] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[423.394538][T18063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[423.394884][T18063] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[423.395244][T18063] ? __handle_mm_fault (mm/memory.c:6212) 
[423.395579][T18063] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[423.395925][T18063] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[423.396296][T18063] __sys_sendmsg (net/socket.c:2700) 
[423.396628][T18063] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[423.396975][T18063] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[423.397335][T18063] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[423.397678][T18063] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[423.398014][T18063] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[423.398354][T18063] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  423.398787][T18063] RIP: 0033:0x7f9e3a48b1e7
[ 423.399131][T18063] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  423.400358][T18063] RSP: 002b:00007ffc472fae08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  423.400869][T18063] RAX: ffffffffffffffda RBX: 00007ffc472fb530 RCX: 00007f9e3a48b1e7
[  423.401380][T18063] RDX: 0000000000000000 RSI: 00007ffc472fae70 RDI: 0000000000000005
[  423.401890][T18063] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  423.402409][T18063] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc472fb568
[  423.402913][T18063] R13: 00000000686e6d1d R14: 0000000000499600 R15: 0000000000000000
| [  423.583047][T18065] ------------[ cut here ]------------
| [423.583393][T18065] WARNING: CPU: 0 PID: 18065 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  423.584057][T18065] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  423.585291][T18065] Tainted: [W]=WARN
[  423.585538][T18065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[423.585971][T18065] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 423.586312][T18065] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  423.587515][T18065] RSP: 0018:ffffc9000b2e7080 EFLAGS: 00010246
[  423.587953][T18065] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  423.588439][T18065] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  423.589873][T18065] RBP: ffffc9000b2e7168 R08: 0000000000000000 R09: 0000000000000000
[  423.590356][T18065] R10: ffffc9000b2e7198 R11: ffffffff96ea8918 R12: 1ffff9200165ce14
[  423.590869][T18065] R13: 00000000000005dc R14: ffffc9000b2e7198 R15: ffff888013ac2f08
[  423.591365][T18065] FS:  00007fa30889b800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  423.591961][T18065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  423.592389][T18065] CR2: 00007faede57d7c1 CR3: 0000000004cb6006 CR4: 0000000000772ef0
[  423.592895][T18065] PKRU: 55555554
[  423.593168][T18065] Call Trace:
[  423.593416][T18065]  <TASK>
[423.593587][T18065] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[423.593937][T18065] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[423.594256][T18065] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[423.594690][T18065] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[423.595036][T18065] netif_set_mtu (net/core/dev.c:9652) 
[423.595363][T18065] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[423.595704][T18065] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[423.596158][T18065] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[423.596408][T18065] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[423.596881][T18065] br_add_if (net/bridge/br_if.c:697) bridge 
[423.597252][T18065] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[423.597586][T18065] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[423.597914][T18065] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[423.598246][T18065] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[423.598572][T18065] ? __dev_get_by_name (net/core/dev.c:865) 
[423.598908][T18065] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[423.599246][T18065] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[423.599583][T18065] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[423.599924][T18065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[423.600262][T18065] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[423.600588][T18065] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[423.600921][T18065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[423.601254][T18065] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[423.601565][T18065] ? __lock_release (kernel/locking/lockdep.c:5539) 
[423.601889][T18065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[423.602200][T18065] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[423.602520][T18065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[423.602856][T18065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.603191][T18065] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[423.603517][T18065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[423.603853][T18065] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[423.604191][T18065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[423.604531][T18065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[423.604865][T18065] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[423.605184][T18065] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[423.605512][T18065] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.605861][T18065] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[423.606192][T18065] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[423.606521][T18065] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[423.606852][T18065] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[423.607180][T18065] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[423.607501][T18065] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[423.607915][T18065] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[423.608241][T18065] ___sys_sendmsg (net/socket.c:2670) 
[423.608570][T18065] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[423.608921][T18065] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[423.609240][T18065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[423.609562][T18065] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[423.609909][T18065] ? __handle_mm_fault (mm/memory.c:6212) 
[423.610231][T18065] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[423.610552][T18065] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[423.610912][T18065] __sys_sendmsg (net/socket.c:2700) 
[423.611249][T18065] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[423.611597][T18065] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[423.611955][T18065] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[423.612301][T18065] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[423.612624][T18065] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[423.612972][T18065] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  423.613375][T18065] RIP: 0033:0x7fa308a681e7
[ 423.613722][T18065] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  423.614945][T18065] RSP: 002b:00007fffd6e2b8e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  423.615452][T18065] RAX: ffffffffffffffda RBX: 00007fffd6e2c010 RCX: 00007fa308a681e7
[  423.615978][T18065] RDX: 0000000000000000 RSI: 00007fffd6e2b950 RDI: 0000000000000005
[  423.616462][T18065] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  423.616971][T18065] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffd6e2c048
[  423.617449][T18065] R13: 00000000686e6d1d R14: 0000000000499600 R15: 0000000000000000
| [  423.764389][T18067] ------------[ cut here ]------------
| [423.764785][T18067] WARNING: CPU: 3 PID: 18067 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  423.765447][T18067] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  423.766656][T18067] Tainted: [W]=WARN
[  423.766908][T18067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[423.767333][T18067] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 423.767683][T18067] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  423.768896][T18067] RSP: 0018:ffffc90007f97080 EFLAGS: 00010246
[  423.769330][T18067] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  423.769838][T18067] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  423.770366][T18067] RBP: ffffc90007f97168 R08: 0000000000000000 R09: 0000000000000000
[  423.770871][T18067] R10: ffffc90007f97198 R11: ffffffff96ea8918 R12: 1ffff92000ff2e14
[  423.771384][T18067] R13: 00000000000005dc R14: ffffc90007f97198 R15: ffff888013ac2f08
[  423.771887][T18067] FS:  00007f44ebc06800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  423.772498][T18067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  423.772925][T18067] CR2: 00005631b1a09788 CR3: 000000001058a005 CR4: 0000000000772ef0
[  423.773442][T18067] PKRU: 55555554
[  423.773699][T18067] Call Trace:
[  423.773949][T18067]  <TASK>
[423.774124][T18067] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[423.774484][T18067] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[423.774830][T18067] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[423.775244][T18067] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[423.775597][T18067] netif_set_mtu (net/core/dev.c:9652) 
[423.775939][T18067] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[423.776296][T18067] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[423.776788][T18067] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[423.777043][T18067] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[423.777512][T18067] br_add_if (net/bridge/br_if.c:697) bridge 
[423.777907][T18067] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[423.778244][T18067] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[423.778606][T18067] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[423.778954][T18067] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[423.779285][T18067] ? __dev_get_by_name (net/core/dev.c:865) 
[423.779637][T18067] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[423.779986][T18067] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[423.780329][T18067] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[423.780685][T18067] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[423.781033][T18067] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[423.781375][T18067] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[423.781740][T18067] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[423.782095][T18067] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[423.782445][T18067] ? __lock_release (kernel/locking/lockdep.c:5539) 
[423.782813][T18067] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[423.783148][T18067] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[423.783490][T18067] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[423.783856][T18067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.784200][T18067] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[423.784548][T18067] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[423.784898][T18067] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[423.785246][T18067] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[423.785589][T18067] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[423.785935][T18067] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[423.786276][T18067] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[423.786623][T18067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.786979][T18067] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[423.787319][T18067] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[423.787672][T18067] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[423.788016][T18067] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[423.788353][T18067] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[423.788724][T18067] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[423.789146][T18067] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[423.789491][T18067] ___sys_sendmsg (net/socket.c:2670) 
[423.789848][T18067] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[423.790188][T18067] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[423.790524][T18067] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[423.790878][T18067] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[423.791217][T18067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.791561][T18067] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[423.791925][T18067] __sys_sendmsg (net/socket.c:2700) 
[423.792259][T18067] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[423.792608][T18067] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[423.792961][T18067] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[423.793297][T18067] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  423.793728][T18067] RIP: 0033:0x7f44ebdd31e7
[ 423.794083][T18067] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  423.795279][T18067] RSP: 002b:00007ffc6a1c3748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  423.795789][T18067] RAX: ffffffffffffffda RBX: 00007ffc6a1c3e70 RCX: 00007f44ebdd31e7
[  423.796312][T18067] RDX: 0000000000000000 RSI: 00007ffc6a1c37b0 RDI: 0000000000000005
[  423.796822][T18067] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  423.797339][T18067] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6a1c3ea8
[  423.797842][T18067] R13: 00000000686e6d1d R14: 0000000000499600 R15: 0000000000000000
| [  423.949861][T18070] ------------[ cut here ]------------
| [423.950236][T18070] WARNING: CPU: 0 PID: 18070 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  423.950964][T18070] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  423.952208][T18070] Tainted: [W]=WARN
[  423.952459][T18070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[423.952879][T18070] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 423.953221][T18070] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  423.954414][T18070] RSP: 0018:ffffc90007f97080 EFLAGS: 00010246
[  423.954848][T18070] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  423.955346][T18070] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  423.955877][T18070] RBP: ffffc90007f97168 R08: 0000000000000000 R09: 0000000000000000
[  423.956372][T18070] R10: ffffc90007f97198 R11: ffffffff96ea8918 R12: 1ffff92000ff2e14
[  423.956880][T18070] R13: 00000000000005dc R14: ffffc90007f97198 R15: ffff888013ac2f08
[  423.957372][T18070] FS:  00007f93d8022800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  423.957956][T18070] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  423.958374][T18070] CR2: 00007f8bd11d5d40 CR3: 0000000005d1d002 CR4: 0000000000772ef0
[  423.958900][T18070] PKRU: 55555554
[  423.959156][T18070] Call Trace:
[  423.959406][T18070]  <TASK>
[423.959584][T18070] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[423.959962][T18070] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[423.960300][T18070] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[423.960724][T18070] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[423.961061][T18070] netif_set_mtu (net/core/dev.c:9652) 
[423.961389][T18070] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[423.961740][T18070] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[423.962194][T18070] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[423.962447][T18070] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[423.962910][T18070] br_add_if (net/bridge/br_if.c:697) bridge 
[423.963293][T18070] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[423.963631][T18070] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[423.963973][T18070] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[423.964306][T18070] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[423.964639][T18070] ? __dev_get_by_name (net/core/dev.c:865) 
[423.964979][T18070] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[423.965304][T18070] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[423.965641][T18070] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[423.965979][T18070] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[423.966311][T18070] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[423.966663][T18070] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[423.966995][T18070] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[423.967329][T18070] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[423.967659][T18070] ? __lock_release (kernel/locking/lockdep.c:5539) 
[423.968011][T18070] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[423.968328][T18070] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[423.968664][T18070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[423.968993][T18070] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.969346][T18070] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[423.969670][T18070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[423.969992][T18070] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[423.970315][T18070] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[423.970625][T18070] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[423.970946][T18070] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[423.971265][T18070] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[423.971581][T18070] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[423.971912][T18070] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[423.972231][T18070] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[423.972543][T18070] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[423.972871][T18070] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[423.973196][T18070] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[423.973520][T18070] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[423.973919][T18070] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[423.974244][T18070] ___sys_sendmsg (net/socket.c:2670) 
[423.974560][T18070] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[423.974882][T18070] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[423.975203][T18070] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[423.975541][T18070] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[423.975867][T18070] ? __handle_mm_fault (mm/memory.c:6212) 
[423.976184][T18070] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[423.976492][T18070] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[423.976846][T18070] __sys_sendmsg (net/socket.c:2700) 
[423.977167][T18070] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[423.977507][T18070] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[423.977843][T18070] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[423.978165][T18070] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[423.978482][T18070] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[423.978816][T18070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  423.979208][T18070] RIP: 0033:0x7f93d81ef1e7
[ 423.979534][T18070] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  423.980669][T18070] RSP: 002b:00007ffdf1da5b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  423.981153][T18070] RAX: ffffffffffffffda RBX: 00007ffdf1da6240 RCX: 00007f93d81ef1e7
[  423.981629][T18070] RDX: 0000000000000000 RSI: 00007ffdf1da5b80 RDI: 0000000000000005
[  423.982105][T18070] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  423.982577][T18070] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf1da6278
[  423.983056][T18070] R13: 00000000686e6d1d R14: 0000000000499600 R15: 0000000000000000
| [  424.141372][T18072] ------------[ cut here ]------------
| [424.141787][T18072] WARNING: CPU: 3 PID: 18072 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  424.142425][T18072] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  424.143617][T18072] Tainted: [W]=WARN
[  424.143865][T18072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[424.144260][T18072] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 424.144602][T18072] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  424.145749][T18072] RSP: 0018:ffffc90006407080 EFLAGS: 00010246
[  424.146145][T18072] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  424.146636][T18072] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  424.147144][T18072] RBP: ffffc90006407168 R08: 0000000000000000 R09: 0000000000000000
[  424.147633][T18072] R10: ffffc90006407198 R11: ffffffff96ea8918 R12: 1ffff92000c80e14
[  424.148112][T18072] R13: 00000000000005dc R14: ffffc90006407198 R15: ffff888013ac2f08
[  424.148621][T18072] FS:  00007f1977877800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  424.149187][T18072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  424.149637][T18072] CR2: 00000000004a1738 CR3: 00000000105e7002 CR4: 0000000000772ef0
[  424.150133][T18072] PKRU: 55555554
[  424.150370][T18072] Call Trace:
[  424.150606][T18072]  <TASK>
[424.150777][T18072] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[424.151101][T18072] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[424.151422][T18072] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[424.151823][T18072] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[424.152144][T18072] netif_set_mtu (net/core/dev.c:9652) 
[424.152477][T18072] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[424.152813][T18072] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[424.153253][T18072] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[424.153525][T18072] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[424.153969][T18072] br_add_if (net/bridge/br_if.c:697) bridge 
[424.154333][T18072] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[424.154658][T18072] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[424.154974][T18072] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[424.155292][T18072] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[424.155639][T18072] ? __dev_get_by_name (net/core/dev.c:865) 
[424.155965][T18072] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[424.156278][T18072] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[424.156600][T18072] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[424.156916][T18072] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[424.157241][T18072] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[424.157563][T18072] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[424.157889][T18072] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[424.158214][T18072] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[424.158564][T18072] ? __lock_release (kernel/locking/lockdep.c:5539) 
[424.158899][T18072] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[424.159211][T18072] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[424.159534][T18072] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[424.159856][T18072] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[424.160181][T18072] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[424.160496][T18072] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[424.160819][T18072] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[424.161143][T18072] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[424.161458][T18072] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[424.161782][T18072] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[424.162101][T18072] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[424.162428][T18072] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[424.162775][T18072] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[424.163096][T18072] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[424.163409][T18072] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[424.163749][T18072] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[424.164075][T18072] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[424.164399][T18072] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[424.164803][T18072] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[424.165123][T18072] ___sys_sendmsg (net/socket.c:2670) 
[424.165441][T18072] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[424.165760][T18072] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[424.166076][T18072] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[424.166395][T18072] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[424.166747][T18072] ? __handle_mm_fault (mm/memory.c:6212) 
[424.167061][T18072] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[424.167376][T18072] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[424.167713][T18072] __sys_sendmsg (net/socket.c:2700) 
[424.168030][T18072] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[424.168352][T18072] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[424.168735][T18072] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[424.169061][T18072] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[424.169384][T18072] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[424.169708][T18072] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  424.170131][T18072] RIP: 0033:0x7f1977a441e7
[ 424.170509][T18072] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  424.171710][T18072] RSP: 002b:00007fff7a1877c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  424.172382][T18072] RAX: ffffffffffffffda RBX: 00007fff7a187ef0 RCX: 00007f1977a441e7
[  424.173262][T18072] RDX: 0000000000000000 RSI: 00007fff7a187830 RDI: 0000000000000005
[  424.174157][T18072] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  424.175055][T18072] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff7a187f28
[  424.175942][T18072] R13: 00000000686e6d1d R14: 0000000000499600 R15: 0000000000000000
| [  424.337947][T18073] ------------[ cut here ]------------
| [424.338264][T18073] WARNING: CPU: 0 PID: 18073 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  424.338972][T18073] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  424.340592][T18073] Tainted: [W]=WARN
[  424.340851][T18073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[424.341252][T18073] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 424.341575][T18073] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  424.342742][T18073] RSP: 0018:ffffc900063f7080 EFLAGS: 00010246
[  424.343162][T18073] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  424.343664][T18073] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  424.344160][T18073] RBP: ffffc900063f7168 R08: 0000000000000000 R09: 0000000000000000
[  424.344660][T18073] R10: ffffc900063f7198 R11: ffffffff96ea8918 R12: 1ffff92000c7ee14
[  424.345151][T18073] R13: 00000000000005dc R14: ffffc900063f7198 R15: ffff888013ac2f08
[  424.345663][T18073] FS:  00007f9920833800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  424.346239][T18073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  424.346663][T18073] CR2: 00000000004a1738 CR3: 00000000105e7002 CR4: 0000000000772ef0
[  424.347167][T18073] PKRU: 55555554
[  424.347427][T18073] Call Trace:
[  424.347860][T18073]  <TASK>
[424.348164][T18073] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[424.348755][T18073] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[424.349343][T18073] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[424.350093][T18073] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[424.350697][T18073] netif_set_mtu (net/core/dev.c:9652) 
[424.351293][T18073] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[424.351923][T18073] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[424.352753][T18073] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[424.353209][T18073] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[424.354030][T18073] br_add_if (net/bridge/br_if.c:697) bridge 
[424.354641][T18073] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[424.355213][T18073] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[424.355758][T18073] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[424.356298][T18073] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[424.356839][T18073] ? __dev_get_by_name (net/core/dev.c:865) 
[424.357174][T18073] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[424.357504][T18073] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[424.357864][T18073] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[424.358195][T18073] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[424.358549][T18073] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[424.358925][T18073] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[424.359267][T18073] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[424.359621][T18073] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[424.359965][T18073] ? __lock_release (kernel/locking/lockdep.c:5539) 
[424.360309][T18073] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[424.360663][T18073] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[424.360997][T18073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[424.361331][T18073] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[424.361706][T18073] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[424.362066][T18073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[424.362402][T18073] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[424.362774][T18073] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[424.363106][T18073] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[424.363440][T18073] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[424.363810][T18073] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[424.364350][T18073] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[424.364904][T18073] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[424.365458][T18073] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[424.366032][T18073] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[424.366610][T18073] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[424.367237][T18073] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[424.367842][T18073] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[424.368608][T18073] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[424.369229][T18073] ___sys_sendmsg (net/socket.c:2670) 
[424.369833][T18073] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[424.370432][T18073] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[424.371041][T18073] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[424.371629][T18073] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[424.372243][T18073] ? __handle_mm_fault (mm/memory.c:6212) 
[424.372847][T18073] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[424.373436][T18073] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[424.374076][T18073] __sys_sendmsg (net/socket.c:2700) 
[424.374541][T18073] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[424.374921][T18073] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[424.375263][T18073] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[424.375612][T18073] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[424.376151][T18073] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[424.376495][T18073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  424.376929][T18073] RIP: 0033:0x7f9920a001e7
[ 424.377273][T18073] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  424.378468][T18073] RSP: 002b:00007ffd0113d0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  424.379023][T18073] RAX: ffffffffffffffda RBX: 00007ffd0113d7e0 RCX: 00007f9920a001e7
[  424.379522][T18073] RDX: 0000000000000000 RSI: 00007ffd0113d120 RDI: 0000000000000005
[  424.380254][T18073] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  424.381054][T18073] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0113d818
[  424.381959][T18073] R13: 00000000686e6d1e R14: 0000000000499600 R15: 0000000000000000
| [  424.525179][T18075] ------------[ cut here ]------------
| [424.525505][T18075] WARNING: CPU: 2 PID: 18075 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  424.526225][T18075] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  424.527396][T18075] Tainted: [W]=WARN
[  424.527653][T18075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[424.528069][T18075] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 424.528407][T18075] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  424.529553][T18075] RSP: 0018:ffffc900063e7080 EFLAGS: 00010246
[  424.529979][T18075] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  424.530466][T18075] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  424.530954][T18075] RBP: ffffc900063e7168 R08: 0000000000000000 R09: 0000000000000000
[  424.531440][T18075] R10: ffffc900063e7198 R11: ffffffff96ea8918 R12: 1ffff92000c7ce14
[  424.531932][T18075] R13: 00000000000005dc R14: ffffc900063e7198 R15: ffff888013ac2f08
[  424.532419][T18075] FS:  00007f38ba93e800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  424.532986][T18075] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  424.533395][T18075] CR2: 00007f8bd11d5d40 CR3: 000000001459c004 CR4: 0000000000772ef0
[  424.533893][T18075] PKRU: 55555554
[  424.534146][T18075] Call Trace:
[  424.534401][T18075]  <TASK>
[424.534578][T18075] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[424.534936][T18075] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[424.535272][T18075] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[424.535694][T18075] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[424.536027][T18075] netif_set_mtu (net/core/dev.c:9652) 
[424.536359][T18075] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[424.536712][T18075] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[424.537180][T18075] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[424.537434][T18075] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[424.537897][T18075] br_add_if (net/bridge/br_if.c:697) bridge 
[424.538273][T18075] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[424.538611][T18075] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[424.538955][T18075] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[424.539305][T18075] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[424.539633][T18075] ? __dev_get_by_name (net/core/dev.c:865) 
[424.539974][T18075] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[424.540308][T18075] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[424.540653][T18075] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[424.540991][T18075] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[424.541327][T18075] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[424.541675][T18075] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[424.542014][T18075] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[424.542364][T18075] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[424.542710][T18075] ? __lock_release (kernel/locking/lockdep.c:5539) 
[424.543047][T18075] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[424.543382][T18075] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[424.543722][T18075] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[424.544058][T18075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[424.544407][T18075] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[424.544747][T18075] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[424.545078][T18075] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[424.545420][T18075] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[424.545751][T18075] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[424.546079][T18075] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[424.546405][T18075] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[424.546743][T18075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[424.547074][T18075] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[424.547404][T18075] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[424.547747][T18075] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[424.548083][T18075] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[424.548417][T18075] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[424.548761][T18075] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[424.549175][T18075] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[424.549513][T18075] ___sys_sendmsg (net/socket.c:2670) 
[424.549860][T18075] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[424.550194][T18075] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[424.550523][T18075] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[424.550859][T18075] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[424.551196][T18075] ? __handle_mm_fault (mm/memory.c:6212) 
[424.551525][T18075] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[424.551860][T18075] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[424.552211][T18075] __sys_sendmsg (net/socket.c:2700) 
[424.552539][T18075] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[424.552873][T18075] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[424.553208][T18075] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[424.553541][T18075] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[424.553881][T18075] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[424.554206][T18075] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  424.554621][T18075] RIP: 0033:0x7f38bab0b1e7
[ 424.554971][T18075] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  424.556120][T18075] RSP: 002b:00007ffe23093378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  424.556616][T18075] RAX: ffffffffffffffda RBX: 00007ffe23093aa0 RCX: 00007f38bab0b1e7
[  424.557117][T18075] RDX: 0000000000000000 RSI: 00007ffe230933e0 RDI: 0000000000000005
[  424.557601][T18075] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  424.558099][T18075] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe23093ad8
[  424.558596][T18075] R13: 00000000686e6d1e R14: 0000000000499600 R15: 0000000000000000
| [  424.717140][T18078] ------------[ cut here ]------------
| [424.717482][T18078] WARNING: CPU: 3 PID: 18078 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  424.718232][T18078] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  424.719480][T18078] Tainted: [W]=WARN
[  424.719743][T18078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[424.720166][T18078] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 424.720519][T18078] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  424.721750][T18078] RSP: 0018:ffffc90006427080 EFLAGS: 00010246
[  424.722180][T18078] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  424.722704][T18078] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  424.723209][T18078] RBP: ffffc90006427168 R08: 0000000000000000 R09: 0000000000000000
[  424.723725][T18078] R10: ffffc90006427198 R11: ffffffff96ea8918 R12: 1ffff92000c84e14
[  424.724240][T18078] R13: 00000000000005dc R14: ffffc90006427198 R15: ffff888013ac2f08
[  424.724756][T18078] FS:  00007fc3bbb0e800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  424.725351][T18078] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  424.725799][T18078] CR2: 00000000004a1738 CR3: 0000000014bd1006 CR4: 0000000000772ef0
[  424.726309][T18078] PKRU: 55555554
[  424.726576][T18078] Call Trace:
[  424.726845][T18078]  <TASK>
[424.727036][T18078] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[424.727380][T18078] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[424.727736][T18078] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[424.728155][T18078] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[424.728493][T18078] netif_set_mtu (net/core/dev.c:9652) 
[424.728849][T18078] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[424.729227][T18078] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[424.729716][T18078] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[424.729979][T18078] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[424.730443][T18078] br_add_if (net/bridge/br_if.c:697) bridge 
[424.730848][T18078] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[424.731184][T18078] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[424.731532][T18078] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[424.731881][T18078] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[424.732214][T18078] ? __dev_get_by_name (net/core/dev.c:865) 
[424.732546][T18078] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[424.732908][T18078] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[424.733255][T18078] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[424.733579][T18078] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[424.733948][T18078] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[424.734305][T18078] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[424.734663][T18078] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[424.735014][T18078] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[424.735344][T18078] ? __lock_release (kernel/locking/lockdep.c:5539) 
[424.735684][T18078] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[424.736022][T18078] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[424.736359][T18078] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[424.736713][T18078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[424.737052][T18078] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[424.737385][T18078] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[424.737728][T18078] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[424.738070][T18078] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[424.738404][T18078] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[424.738757][T18078] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[424.739125][T18078] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[424.739464][T18078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[424.739807][T18078] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[424.740171][T18078] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[424.740513][T18078] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[424.740872][T18078] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[424.741221][T18078] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[424.741553][T18078] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[424.741988][T18078] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[424.742333][T18078] ___sys_sendmsg (net/socket.c:2670) 
[424.742679][T18078] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[424.743027][T18078] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[424.743368][T18078] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[424.743722][T18078] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[424.744076][T18078] ? __handle_mm_fault (mm/memory.c:6212) 
[424.744427][T18078] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[424.744776][T18078] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[424.745130][T18078] __sys_sendmsg (net/socket.c:2700) 
[424.745471][T18078] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[424.745816][T18078] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[424.746627][T18078] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[424.746977][T18078] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[424.747324][T18078] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[424.747666][T18078] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  424.748093][T18078] RIP: 0033:0x7fc3bbcdb1e7
[ 424.748437][T18078] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  424.749935][T18078] RSP: 002b:00007ffe9d9c9658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  424.750962][T18078] RAX: ffffffffffffffda RBX: 00007ffe9d9c9d80 RCX: 00007fc3bbcdb1e7
[  424.751456][T18078] RDX: 0000000000000000 RSI: 00007ffe9d9c96c0 RDI: 0000000000000005
[  424.751977][T18078] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  424.752499][T18078] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9d9c9db8
[  424.753001][T18078] R13: 00000000686e6d1e R14: 0000000000499600 R15: 0000000000000000
| [  424.910706][T18079] ------------[ cut here ]------------
| [424.911019][T18079] WARNING: CPU: 0 PID: 18079 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  424.911723][T18079] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  424.912886][T18079] Tainted: [W]=WARN
[  424.913127][T18079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[424.913519][T18079] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 424.913878][T18079] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  424.915018][T18079] RSP: 0018:ffffc90007f97080 EFLAGS: 00010246
[  424.915420][T18079] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  424.915905][T18079] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  424.916389][T18079] RBP: ffffc90007f97168 R08: 0000000000000000 R09: 0000000000000000
[  424.916892][T18079] R10: ffffc90007f97198 R11: ffffffff96ea8918 R12: 1ffff92000ff2e14
[  424.917388][T18079] R13: 00000000000005dc R14: ffffc90007f97198 R15: ffff888013ac2f08
[  424.917881][T18079] FS:  00007fe7a76fd800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  424.918468][T18079] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  424.918909][T18079] CR2: 00000000004a1738 CR3: 000000000b625005 CR4: 0000000000772ef0
[  424.919419][T18079] PKRU: 55555554
[  424.919675][T18079] Call Trace:
[  424.919926][T18079]  <TASK>
[424.920088][T18079] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[424.920424][T18079] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[424.920764][T18079] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[424.921174][T18079] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[424.921490][T18079] netif_set_mtu (net/core/dev.c:9652) 
[424.921814][T18079] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[424.922151][T18079] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[424.922608][T18079] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[424.922867][T18079] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[424.923315][T18079] br_add_if (net/bridge/br_if.c:697) bridge 
[424.923699][T18079] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[424.924032][T18079] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[424.924367][T18079] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[424.924706][T18079] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[424.925033][T18079] ? __dev_get_by_name (net/core/dev.c:865) 
[424.925360][T18079] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[424.925694][T18079] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[424.926032][T18079] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[424.926362][T18079] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[424.926706][T18079] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[424.927049][T18079] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[424.927392][T18079] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[424.927737][T18079] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[424.928066][T18079] ? __lock_release (kernel/locking/lockdep.c:5539) 
[424.928399][T18079] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[424.928744][T18079] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[424.929075][T18079] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[424.929406][T18079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[424.929747][T18079] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[424.930083][T18079] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[424.930412][T18079] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[424.930763][T18079] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[424.931095][T18079] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[424.931426][T18079] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[424.931766][T18079] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[424.932100][T18079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[424.932429][T18079] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[424.932766][T18079] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[424.933096][T18079] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[424.933433][T18079] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[424.933777][T18079] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[424.934107][T18079] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[424.934518][T18079] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[424.934863][T18079] ___sys_sendmsg (net/socket.c:2670) 
[424.935197][T18079] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[424.935524][T18079] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[424.935861][T18079] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[424.936186][T18079] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[424.936520][T18079] ? __handle_mm_fault (mm/memory.c:6212) 
[424.936860][T18079] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[424.937196][T18079] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[424.937529][T18079] __sys_sendmsg (net/socket.c:2700) 
[424.937853][T18079] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[424.938169][T18079] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[424.938489][T18079] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[424.938846][T18079] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[424.939184][T18079] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[424.939524][T18079] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  424.939924][T18079] RIP: 0033:0x7fe7a78ca1e7
[ 424.940249][T18079] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  424.941379][T18079] RSP: 002b:00007ffe33cc64b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  424.941866][T18079] RAX: ffffffffffffffda RBX: 00007ffe33cc6be0 RCX: 00007fe7a78ca1e7
[  424.942337][T18079] RDX: 0000000000000000 RSI: 00007ffe33cc6520 RDI: 0000000000000005
[  424.942815][T18079] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  424.943313][T18079] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe33cc6c18
[  424.943800][T18079] R13: 00000000686e6d1e R14: 0000000000499600 R15: 0000000000000000
| [  425.092924][T18081] ------------[ cut here ]------------
| [425.093265][T18081] WARNING: CPU: 0 PID: 18081 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  425.093991][T18081] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  425.095164][T18081] Tainted: [W]=WARN
[  425.095401][T18081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[425.095820][T18081] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 425.096168][T18081] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  425.097343][T18081] RSP: 0018:ffffc90007f97080 EFLAGS: 00010246
[  425.097773][T18081] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  425.098273][T18081] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  425.098776][T18081] RBP: ffffc90007f97168 R08: 0000000000000000 R09: 0000000000000000
[  425.099249][T18081] R10: ffffc90007f97198 R11: ffffffff96ea8918 R12: 1ffff92000ff2e14
[  425.099729][T18081] R13: 00000000000005dc R14: ffffc90007f97198 R15: ffff888013ac2f08
[  425.100199][T18081] FS:  00007fcc04778800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  425.100770][T18081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  425.101168][T18081] CR2: 00000000004a1738 CR3: 000000000b5d4002 CR4: 0000000000772ef0
[  425.101645][T18081] PKRU: 55555554
[  425.101892][T18081] Call Trace:
[  425.102143][T18081]  <TASK>
[425.102313][T18081] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[425.102656][T18081] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[425.102981][T18081] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[425.103395][T18081] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[425.103723][T18081] netif_set_mtu (net/core/dev.c:9652) 
[425.104040][T18081] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[425.104389][T18081] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[425.104843][T18081] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[425.105087][T18081] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[425.105515][T18081] br_add_if (net/bridge/br_if.c:697) bridge 
[425.105907][T18081] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[425.106232][T18081] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[425.106572][T18081] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[425.106898][T18081] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[425.107209][T18081] ? __dev_get_by_name (net/core/dev.c:865) 
[425.107521][T18081] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[425.107854][T18081] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[425.108194][T18081] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[425.108525][T18081] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[425.108887][T18081] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[425.109225][T18081] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[425.109555][T18081] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[425.109890][T18081] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[425.110213][T18081] ? __lock_release (kernel/locking/lockdep.c:5539) 
[425.110528][T18081] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[425.110869][T18081] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[425.111202][T18081] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[425.111547][T18081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[425.111881][T18081] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[425.112223][T18081] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[425.112559][T18081] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[425.112923][T18081] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[425.113252][T18081] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[425.113582][T18081] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[425.113926][T18081] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[425.114250][T18081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[425.114579][T18081] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[425.114917][T18081] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[425.115238][T18081] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[425.115589][T18081] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[425.115947][T18081] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[425.116291][T18081] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[425.116745][T18081] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[425.117080][T18081] ___sys_sendmsg (net/socket.c:2670) 
[425.117400][T18081] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[425.117748][T18081] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[425.118091][T18081] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[425.118424][T18081] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[425.118791][T18081] ? __handle_mm_fault (mm/memory.c:6212) 
[425.119128][T18081] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[425.119455][T18081] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[425.119809][T18081] __sys_sendmsg (net/socket.c:2700) 
[425.120143][T18081] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[425.120471][T18081] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[425.120820][T18081] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[425.121156][T18081] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[425.121488][T18081] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[425.121831][T18081] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  425.122241][T18081] RIP: 0033:0x7fcc049451e7
[ 425.122578][T18081] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  425.123759][T18081] RSP: 002b:00007ffde63c2fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  425.124257][T18081] RAX: ffffffffffffffda RBX: 00007ffde63c36d0 RCX: 00007fcc049451e7
[  425.124758][T18081] RDX: 0000000000000000 RSI: 00007ffde63c3010 RDI: 0000000000000005
[  425.125251][T18081] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  425.125757][T18081] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde63c3708
[  425.126252][T18081] R13: 00000000686e6d1e R14: 0000000000499600 R15: 0000000000000000
| [  425.273693][T18083] ------------[ cut here ]------------
| [425.274057][T18083] WARNING: CPU: 3 PID: 18083 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  425.274880][T18083] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  425.276209][T18083] Tainted: [W]=WARN
[  425.276491][T18083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[425.276970][T18083] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 425.277348][T18083] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  425.278710][T18083] RSP: 0000:ffffc90006427080 EFLAGS: 00010246
[  425.279131][T18083] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  425.279628][T18083] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  425.280132][T18083] RBP: ffffc90006427168 R08: 0000000000000000 R09: 0000000000000000
[  425.280626][T18083] R10: ffffc90006427198 R11: ffffffff96579160 R12: 1ffff92000c84e14
[  425.281128][T18083] R13: 00000000000005dc R14: ffffc90006427198 R15: ffff888013ac2f08
[  425.281626][T18083] FS:  00007f8455be8800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  425.282216][T18083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  425.282640][T18083] CR2: 00007f8bd12b45a0 CR3: 000000000c9c4004 CR4: 0000000000772ef0
[  425.283160][T18083] PKRU: 55555554
[  425.283418][T18083] Call Trace:
[  425.283678][T18083]  <TASK>
[425.283862][T18083] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[425.284199][T18083] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[425.284541][T18083] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[425.284904][T18083] ? kmem_cache_free (mm/slub.c:4643 mm/slub.c:4745) 
[425.285261][T18083] netif_set_mtu (net/core/dev.c:9652) 
[425.285607][T18083] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[425.286008][T18083] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[425.286478][T18083] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[425.286754][T18083] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[425.287321][T18083] br_add_if (net/bridge/br_if.c:697) bridge 
[425.287717][T18083] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[425.288063][T18083] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[425.288396][T18083] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[425.288766][T18083] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[425.289110][T18083] ? __dev_get_by_name (net/core/dev.c:865) 
[425.289446][T18083] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[425.289791][T18083] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[425.290166][T18083] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[425.290494][T18083] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[425.290846][T18083] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[425.291211][T18083] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[425.291552][T18083] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[425.291917][T18083] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[425.292259][T18083] ? __lock_release (kernel/locking/lockdep.c:5539) 
[425.292594][T18083] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[425.292970][T18083] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[425.293324][T18083] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[425.293673][T18083] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[425.294041][T18083] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[425.294373][T18083] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[425.294747][T18083] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[425.295119][T18083] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[425.295477][T18083] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[425.295823][T18083] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[425.296175][T18083] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[425.296501][T18083] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[425.296863][T18083] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[425.297227][T18083] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[425.297576][T18083] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[425.297941][T18083] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[425.298296][T18083] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[425.298642][T18083] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[425.299111][T18083] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[425.299464][T18083] ___sys_sendmsg (net/socket.c:2670) 
[425.299833][T18083] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[425.300204][T18083] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[425.300555][T18083] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[425.300914][T18083] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[425.301743][T18083] ? __handle_mm_fault (mm/memory.c:6212) 
[425.302328][T18083] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[425.302683][T18083] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[425.303055][T18083] __sys_sendmsg (net/socket.c:2700) 
[425.303391][T18083] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[425.304009][T18083] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[425.304358][T18083] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[425.304710][T18083] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[425.305098][T18083] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[425.305446][T18083] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  425.305892][T18083] RIP: 0033:0x7f8455db51e7
[ 425.306244][T18083] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  425.307473][T18083] RSP: 002b:00007ffc1b0f40a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  425.308244][T18083] RAX: ffffffffffffffda RBX: 00007ffc1b0f47d0 RCX: 00007f8455db51e7
[  425.308775][T18083] RDX: 0000000000000000 RSI: 00007ffc1b0f4110 RDI: 0000000000000005
[  425.309308][T18083] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  425.310143][T18083] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc1b0f4808
[  425.310941][T18083] R13: 00000000686e6d1f R14: 0000000000499600 R15: 0000000000000000
| [  425.479134][T18086] ------------[ cut here ]------------
| [425.479487][T18086] WARNING: CPU: 1 PID: 18086 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  425.480386][T18086] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  425.481608][T18086] Tainted: [W]=WARN
[  425.481900][T18086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[425.482315][T18086] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 425.482667][T18086] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  425.483855][T18086] RSP: 0018:ffffc90007f97080 EFLAGS: 00010246
[  425.484271][T18086] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  425.484773][T18086] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  425.485303][T18086] RBP: ffffc90007f97168 R08: 0000000000000000 R09: 0000000000000000
[  425.485812][T18086] R10: ffffc90007f97198 R11: ffffffff96ea8918 R12: 1ffff92000ff2e14
[  425.486308][T18086] R13: 00000000000005dc R14: ffffc90007f97198 R15: ffff888013ac2f08
[  425.486817][T18086] FS:  00007f87c2b16800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  425.487395][T18086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  425.487828][T18086] CR2: 00007f8bd12ace80 CR3: 0000000014036003 CR4: 0000000000772ef0
[  425.488333][T18086] PKRU: 55555554
[  425.488600][T18086] Call Trace:
[  425.488859][T18086]  <TASK>
[425.489036][T18086] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[425.489373][T18086] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[425.489725][T18086] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[425.490152][T18086] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[425.490498][T18086] netif_set_mtu (net/core/dev.c:9652) 
[425.490850][T18086] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[425.491195][T18086] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[425.491678][T18086] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[425.491938][T18086] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[425.492397][T18086] br_add_if (net/bridge/br_if.c:697) bridge 
[425.492791][T18086] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[425.493126][T18086] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[425.493466][T18086] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[425.493811][T18086] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[425.494138][T18086] ? __dev_get_by_name (net/core/dev.c:865) 
[425.494469][T18086] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[425.494811][T18086] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[425.495148][T18086] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[425.495476][T18086] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[425.495820][T18086] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[425.496161][T18086] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[425.496495][T18086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[425.496848][T18086] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[425.497182][T18086] ? __lock_release (kernel/locking/lockdep.c:5539) 
[425.497517][T18086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[425.497889][T18086] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[425.498235][T18086] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[425.498582][T18086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[425.498940][T18086] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[425.499299][T18086] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[425.499633][T18086] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[425.499979][T18086] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[425.500306][T18086] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[425.500660][T18086] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[425.500994][T18086] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[425.501318][T18086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[425.501663][T18086] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[425.502001][T18086] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[425.502332][T18086] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[425.502675][T18086] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[425.503008][T18086] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[425.503334][T18086] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[425.503757][T18086] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[425.504092][T18086] ___sys_sendmsg (net/socket.c:2670) 
[425.504418][T18086] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[425.504754][T18086] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[425.505086][T18086] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[425.505421][T18086] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[425.505773][T18086] ? __handle_mm_fault (mm/memory.c:6212) 
[425.506104][T18086] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[425.506433][T18086] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[425.506793][T18086] __sys_sendmsg (net/socket.c:2700) 
[425.507130][T18086] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[425.507467][T18086] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[425.507828][T18086] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[425.508163][T18086] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[425.508502][T18086] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[425.508855][T18086] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  425.509266][T18086] RIP: 0033:0x7f87c2ce31e7
[ 425.509605][T18086] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  425.510791][T18086] RSP: 002b:00007ffd52c3eee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  425.511292][T18086] RAX: ffffffffffffffda RBX: 00007ffd52c3f610 RCX: 00007f87c2ce31e7
[  425.511792][T18086] RDX: 0000000000000000 RSI: 00007ffd52c3ef50 RDI: 0000000000000005
[  425.512295][T18086] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  425.512811][T18086] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd52c3f648
[  425.513314][T18086] R13: 00000000686e6d1f R14: 0000000000499600 R15: 0000000000000000
| [  425.679863][T18087] ------------[ cut here ]------------
| [425.680179][T18087] WARNING: CPU: 0 PID: 18087 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  425.680888][T18087] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  425.682067][T18087] Tainted: [W]=WARN
[  425.682309][T18087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[425.682719][T18087] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 425.683050][T18087] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  425.684240][T18087] RSP: 0018:ffffc900063e7080 EFLAGS: 00010246
[  425.684674][T18087] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  425.685175][T18087] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  425.685682][T18087] RBP: ffffc900063e7168 R08: 0000000000000000 R09: 0000000000000000
[  425.686176][T18087] R10: ffffc900063e7198 R11: ffffffff96ea8918 R12: 1ffff92000c7ce14
[  425.686684][T18087] R13: 00000000000005dc R14: ffffc900063e7198 R15: ffff888013ac2f08
[  425.687184][T18087] FS:  00007f5957204800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  425.687953][T18087] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  425.688385][T18087] CR2: 00007f59574c9430 CR3: 00000000148b8002 CR4: 0000000000772ef0
[  425.689060][T18087] PKRU: 55555554
[  425.689298][T18087] Call Trace:
[  425.689535][T18087]  <TASK>
[425.689851][T18087] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[425.690176][T18087] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[425.690493][T18087] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[425.691049][T18087] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[425.691374][T18087] netif_set_mtu (net/core/dev.c:9652) 
[425.691843][T18087] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[425.692196][T18087] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[425.692638][T18087] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[425.692973][T18087] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[425.693425][T18087] br_add_if (net/bridge/br_if.c:697) bridge 
[425.693824][T18087] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[425.694172][T18087] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[425.694510][T18087] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[425.694859][T18087] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[425.695200][T18087] ? __dev_get_by_name (net/core/dev.c:865) 
[425.695543][T18087] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[425.695918][T18087] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[425.696269][T18087] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[425.696623][T18087] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[425.696980][T18087] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[425.697346][T18087] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[425.697702][T18087] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[425.698050][T18087] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[425.698396][T18087] ? __lock_release (kernel/locking/lockdep.c:5539) 
[425.698774][T18087] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[425.699127][T18087] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[425.699470][T18087] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[425.699814][T18087] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[425.700157][T18087] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[425.700490][T18087] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[425.700830][T18087] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[425.701174][T18087] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[425.701506][T18087] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[425.701853][T18087] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[425.702194][T18087] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[425.702524][T18087] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[425.702873][T18087] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[425.703208][T18087] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[425.703548][T18087] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[425.703896][T18087] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[425.704230][T18087] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[425.704559][T18087] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[425.705009][T18087] ___sys_sendmsg (net/socket.c:2670) 
[425.705361][T18087] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[425.705703][T18087] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[425.706039][T18087] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[425.706385][T18087] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[425.706732][T18087] ? __handle_mm_fault (mm/memory.c:6212) 
[425.707082][T18087] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[425.707439][T18087] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[425.707818][T18087] __sys_sendmsg (net/socket.c:2700) 
[425.708157][T18087] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[425.708505][T18087] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[425.708883][T18087] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[425.709221][T18087] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[425.709566][T18087] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[425.709923][T18087] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  425.710353][T18087] RIP: 0033:0x7f59573d11e7
[ 425.710707][T18087] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  425.711888][T18087] RSP: 002b:00007ffdf5fc0308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  425.712394][T18087] RAX: ffffffffffffffda RBX: 00007ffdf5fc0a30 RCX: 00007f59573d11e7
[  425.712899][T18087] RDX: 0000000000000000 RSI: 00007ffdf5fc0370 RDI: 0000000000000005
[  425.713417][T18087] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  425.713919][T18087] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf5fc0a68
[  425.714434][T18087] R13: 00000000686e6d1f R14: 0000000000499600 R15: 0000000000000000
| [  425.881814][T18089] ------------[ cut here ]------------
| [425.882145][T18089] WARNING: CPU: 0 PID: 18089 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  425.882891][T18089] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  425.884038][T18089] Tainted: [W]=WARN
[  425.884280][T18089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[425.884682][T18089] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 425.885007][T18089] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  425.886135][T18089] RSP: 0018:ffffc900063f7080 EFLAGS: 00010246
[  425.886533][T18089] RAX: 0000000000000000 RBX: ffff888013ac2000 RCX: 0000000000000001
[  425.887015][T18089] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  425.887484][T18089] RBP: ffffc900063f7168 R08: 0000000000000000 R09: 0000000000000000
[  425.887977][T18089] R10: ffffc900063f7198 R11: ffffffff96ea8918 R12: 1ffff92000c7ee14
[  425.888451][T18089] R13: 00000000000005dc R14: ffffc900063f7198 R15: ffff888013ac2f08
[  425.888968][T18089] FS:  00007f36cad20800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  425.889536][T18089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  425.889956][T18089] CR2: 00000000004a1738 CR3: 0000000014354001 CR4: 0000000000772ef0
[  425.890432][T18089] PKRU: 55555554
[  425.890711][T18089] Call Trace:
[  425.890950][T18089]  <TASK>
[425.891114][T18089] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[425.891442][T18089] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[425.891830][T18089] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[425.892224][T18089] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[425.892542][T18089] netif_set_mtu (net/core/dev.c:9652) 
[425.892885][T18089] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[425.893215][T18089] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[425.893704][T18089] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[425.893991][T18089] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[425.894433][T18089] br_add_if (net/bridge/br_if.c:697) bridge 
[425.894842][T18089] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[425.895223][T18089] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[425.895684][T18089] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[425.896105][T18089] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[425.896598][T18089] ? __dev_get_by_name (net/core/dev.c:865) 
[425.897046][T18089] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[425.897361][T18089] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[425.897709][T18089] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[425.898020][T18089] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[425.898339][T18089] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[425.898701][T18089] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[425.899024][T18089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[425.899582][T18089] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[425.899943][T18089] ? __lock_release (kernel/locking/lockdep.c:5539) 
[425.900270][T18089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[425.900709][T18089] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[425.901031][T18089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[425.901354][T18089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[425.901811][T18089] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[425.902193][T18089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[425.909039][T18089] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[425.909378][T18089] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[425.909818][T18089] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[425.910856][T18089] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[425.911188][T18089] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[425.911502][T18089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[425.911854][T18089] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[425.912181][T18089] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[425.912495][T18089] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[425.912842][T18089] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[425.913392][T18089] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[425.913728][T18089] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[425.914175][T18089] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[425.914515][T18089] ___sys_sendmsg (net/socket.c:2670) 
[425.914859][T18089] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[425.915175][T18089] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[425.915490][T18089] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[425.915852][T18089] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[425.916236][T18089] ? __handle_mm_fault (mm/memory.c:6212) 
[425.916557][T18089] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[425.916902][T18089] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[425.917234][T18089] __sys_sendmsg (net/socket.c:2700) 
[425.917668][T18089] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[425.917990][T18089] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[425.918315][T18089] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[425.918756][T18089] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[425.919166][T18089] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[425.919801][T18089] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  425.920881][T18089] RIP: 0033:0x7f36caeed1e7
[ 425.921208][T18089] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  425.924151][T18089] RSP: 002b:00007ffcb8798ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  425.924826][T18089] RAX: ffffffffffffffda RBX: 00007ffcb87995d0 RCX: 00007f36caeed1e7
[  425.925740][T18089] RDX: 0000000000000000 RSI: 00007ffcb8798f10 RDI: 0000000000000005
[  425.926382][T18089] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  425.927602][T18089] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcb8799608
[  425.928168][T18089] R13: 00000000686e6d1f R14: 0000000000499600 R15: 0000000000000000
| [  426.402033][T18095] ------------[ cut here ]------------
| [426.402596][T18095] WARNING: CPU: 0 PID: 18095 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  426.403824][T18095] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  426.405001][T18095] Tainted: [W]=WARN
[  426.405244][T18095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[426.405754][T18095] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 426.406183][T18095] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  426.407484][T18095] RSP: 0018:ffffc9000aea7080 EFLAGS: 00010246
[  426.407920][T18095] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  426.408445][T18095] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  426.409033][T18095] RBP: ffffc9000aea7168 R08: 0000000000000000 R09: 0000000000000000
[  426.409616][T18095] R10: ffffc9000aea7198 R11: ffffffff96ea8918 R12: 1ffff920015d4e14
[  426.410306][T18095] R13: 00000000000005dc R14: ffffc9000aea7198 R15: ffff88800c002f08
[  426.410866][T18095] FS:  00007f8e90872800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  426.411509][T18095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  426.412051][T18095] CR2: 00007f8bd0e612b0 CR3: 0000000013884006 CR4: 0000000000772ef0
[  426.412662][T18095] PKRU: 55555554
[  426.412979][T18095] Call Trace:
[  426.413284][T18095]  <TASK>
[426.413517][T18095] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[426.413941][T18095] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[426.414374][T18095] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[426.414859][T18095] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[426.415277][T18095] netif_set_mtu (net/core/dev.c:9652) 
[426.415680][T18095] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[426.416187][T18095] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[426.416935][T18095] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[426.417387][T18095] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[426.418199][T18095] br_add_if (net/bridge/br_if.c:697) bridge 
[426.418762][T18095] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[426.419099][T18095] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[426.419437][T18095] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[426.419780][T18095] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[426.420113][T18095] ? __dev_get_by_name (net/core/dev.c:865) 
[426.420448][T18095] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[426.420790][T18095] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[426.421137][T18095] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[426.421474][T18095] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[426.421823][T18095] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[426.422170][T18095] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[426.422513][T18095] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[426.422863][T18095] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[426.423192][T18095] ? __lock_release (kernel/locking/lockdep.c:5539) 
[426.423525][T18095] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[426.423861][T18095] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[426.424196][T18095] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[426.424533][T18095] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[426.424881][T18095] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[426.425217][T18095] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[426.426238][T18095] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[426.426587][T18095] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[426.426927][T18095] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[426.427267][T18095] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[426.427607][T18095] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[426.427946][T18095] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[426.428279][T18095] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[426.428627][T18095] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[426.429195][T18095] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[426.429534][T18095] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[426.429885][T18095] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[426.430216][T18095] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[426.430865][T18095] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[426.431201][T18095] ___sys_sendmsg (net/socket.c:2670) 
[426.431531][T18095] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[426.431866][T18095] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[426.432428][T18095] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[426.432763][T18095] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[426.433100][T18095] ? __handle_mm_fault (mm/memory.c:6212) 
[426.433431][T18095] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[426.433767][T18095] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[426.434115][T18095] __sys_sendmsg (net/socket.c:2700) 
[426.434443][T18095] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[426.435007][T18095] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[426.435346][T18095] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[426.435916][T18095] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[426.436246][T18095] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[426.436576][T18095] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  426.437225][T18095] RIP: 0033:0x7f8e90a3f1e7
[ 426.437813][T18095] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  426.439283][T18095] RSP: 002b:00007fff201ba438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  426.439801][T18095] RAX: ffffffffffffffda RBX: 00007fff201bab60 RCX: 00007f8e90a3f1e7
[  426.440304][T18095] RDX: 0000000000000000 RSI: 00007fff201ba4a0 RDI: 0000000000000005
[  426.440804][T18095] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  426.441297][T18095] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff201bab98
[  426.441796][T18095] R13: 00000000686e6d20 R14: 0000000000499600 R15: 0000000000000000
| [  426.602804][T18096] ------------[ cut here ]------------
| [426.603139][T18096] WARNING: CPU: 2 PID: 18096 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  426.603817][T18096] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  426.605050][T18096] Tainted: [W]=WARN
[  426.605311][T18096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[426.605740][T18096] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 426.606088][T18096] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  426.607247][T18096] RSP: 0018:ffffc900063f7080 EFLAGS: 00010246
[  426.607677][T18096] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  426.608166][T18096] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  426.608678][T18096] RBP: ffffc900063f7168 R08: 0000000000000000 R09: 0000000000000000
[  426.609169][T18096] R10: ffffc900063f7198 R11: ffffffff96ea8918 R12: 1ffff92000c7ee14
[  426.609687][T18096] R13: 00000000000005dc R14: ffffc900063f7198 R15: ffff88800c002f08
[  426.610199][T18096] FS:  00007f9a44dd9800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  426.610806][T18096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  426.611223][T18096] CR2: 00007f9a44fed5c0 CR3: 00000000147ba004 CR4: 0000000000772ef0
[  426.611729][T18096] PKRU: 55555554
[  426.611985][T18096] Call Trace:
[  426.612246][T18096]  <TASK>
[426.612425][T18096] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[426.612815][T18096] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[426.613178][T18096] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[426.613595][T18096] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[426.613965][T18096] netif_set_mtu (net/core/dev.c:9652) 
[426.614298][T18096] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[426.614659][T18096] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[426.615140][T18096] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[426.615402][T18096] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[426.615883][T18096] br_add_if (net/bridge/br_if.c:697) bridge 
[426.616276][T18096] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[426.616613][T18096] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[426.616974][T18096] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[426.617307][T18096] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[426.617671][T18096] ? __dev_get_by_name (net/core/dev.c:865) 
[426.618030][T18096] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[426.618385][T18096] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[426.618760][T18096] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[426.619093][T18096] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[426.619430][T18096] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[426.619784][T18096] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[426.620128][T18096] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[426.620493][T18096] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[426.620842][T18096] ? __lock_release (kernel/locking/lockdep.c:5539) 
[426.621189][T18096] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[426.621524][T18096] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[426.621881][T18096] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[426.622227][T18096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[426.622601][T18096] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[426.622964][T18096] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[426.623316][T18096] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[426.623702][T18096] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[426.624048][T18096] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[426.624396][T18096] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[426.624762][T18096] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[426.625117][T18096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[426.625475][T18096] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[426.625842][T18096] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[426.626192][T18096] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[426.626551][T18096] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[426.626916][T18096] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[426.627268][T18096] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[426.627719][T18096] ___sys_sendmsg (net/socket.c:2670) 
[426.628078][T18096] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[426.628441][T18096] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[426.628828][T18096] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[426.629199][T18096] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[426.629575][T18096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[426.629949][T18096] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[426.630321][T18096] __sys_sendmsg (net/socket.c:2700) 
[426.630690][T18096] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[426.631047][T18096] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[426.631390][T18096] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[426.631763][T18096] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  426.632184][T18096] RIP: 0033:0x7f9a44fa61e7
[ 426.632545][T18096] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  426.633789][T18096] RSP: 002b:00007ffe13e09f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  426.634303][T18096] RAX: ffffffffffffffda RBX: 00007ffe13e0a690 RCX: 00007f9a44fa61e7
[  426.634836][T18096] RDX: 0000000000000000 RSI: 00007ffe13e09fd0 RDI: 0000000000000005
[  426.635361][T18096] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  426.635891][T18096] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe13e0a6c8
[  426.636432][T18096] R13: 00000000686e6d20 R14: 0000000000499600 R15: 0000000000000000
| [  426.772881][T18099] ------------[ cut here ]------------
| [426.773251][T18099] WARNING: CPU: 2 PID: 18099 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  426.774536][T18099] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  426.775820][T18099] Tainted: [W]=WARN
[  426.776101][T18099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[426.776541][T18099] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 426.776951][T18099] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  426.778195][T18099] RSP: 0018:ffffc900063f7080 EFLAGS: 00010246
[  426.778666][T18099] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  426.779192][T18099] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  426.779715][T18099] RBP: ffffc900063f7168 R08: 0000000000000000 R09: 0000000000000000
[  426.780210][T18099] R10: ffffc900063f7198 R11: ffffffff96ea8918 R12: 1ffff92000c7ee14
[  426.780723][T18099] R13: 00000000000005dc R14: ffffc900063f7198 R15: ffff88800c002f08
[  426.781215][T18099] FS:  00007fb8778ee800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  426.781830][T18099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  426.782263][T18099] CR2: 00000000004a1738 CR3: 000000000f1c5004 CR4: 0000000000772ef0
[  426.782791][T18099] PKRU: 55555554
[  426.783057][T18099] Call Trace:
[  426.783332][T18099]  <TASK>
[426.783537][T18099] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[426.783946][T18099] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[426.784307][T18099] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[426.784771][T18099] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[426.785202][T18099] netif_set_mtu (net/core/dev.c:9652) 
[426.785572][T18099] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[426.785946][T18099] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[426.786408][T18099] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[426.786697][T18099] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[426.787175][T18099] br_add_if (net/bridge/br_if.c:697) bridge 
[426.787566][T18099] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[426.787948][T18099] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[426.788295][T18099] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[426.788671][T18099] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[426.789014][T18099] ? __dev_get_by_name (net/core/dev.c:865) 
[426.789359][T18099] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[426.789725][T18099] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[426.790075][T18099] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[426.790430][T18099] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[426.790790][T18099] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[426.791146][T18099] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[426.791533][T18099] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[426.791897][T18099] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[426.792247][T18099] ? __lock_release (kernel/locking/lockdep.c:5539) 
[426.792624][T18099] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[426.792993][T18099] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[426.793346][T18099] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[426.793705][T18099] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[426.794064][T18099] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[426.794439][T18099] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[426.794814][T18099] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[426.795179][T18099] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[426.795536][T18099] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[426.795894][T18099] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[426.796281][T18099] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[426.796667][T18099] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[426.797049][T18099] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[426.797412][T18099] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[426.797780][T18099] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[426.798145][T18099] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[426.798507][T18099] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[426.798898][T18099] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[426.799345][T18099] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[426.799712][T18099] ___sys_sendmsg (net/socket.c:2670) 
[426.800078][T18099] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[426.800458][T18099] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[426.800828][T18099] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[426.801165][T18099] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[426.801522][T18099] ? __handle_mm_fault (mm/memory.c:6212) 
[426.801875][T18099] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[426.802211][T18099] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[426.802563][T18099] __sys_sendmsg (net/socket.c:2700) 
[426.802914][T18099] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[426.803250][T18099] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[426.803615][T18099] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[426.803966][T18099] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[426.804312][T18099] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[426.804666][T18099] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  426.805073][T18099] RIP: 0033:0x7fb877abb1e7
[ 426.805686][T18099] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  426.806877][T18099] RSP: 002b:00007ffe58052738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  426.807625][T18099] RAX: ffffffffffffffda RBX: 00007ffe58052e60 RCX: 00007fb877abb1e7
[  426.808127][T18099] RDX: 0000000000000000 RSI: 00007ffe580527a0 RDI: 0000000000000005
[  426.808628][T18099] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  426.809137][T18099] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe58052e98
[  426.809921][T18099] R13: 00000000686e6d20 R14: 0000000000499600 R15: 0000000000000000
| [  426.997123][T18100] ------------[ cut here ]------------
| [426.997481][T18100] WARNING: CPU: 2 PID: 18100 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  426.998161][T18100] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  426.999383][T18100] Tainted: [W]=WARN
[  426.999632][T18100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[427.000084][T18100] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 427.000428][T18100] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  427.001618][T18100] RSP: 0018:ffffc900063f7080 EFLAGS: 00010246
[  427.002074][T18100] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  427.002595][T18100] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  427.003111][T18100] RBP: ffffc900063f7168 R08: 0000000000000000 R09: 0000000000000000
[  427.003601][T18100] R10: ffffc900063f7198 R11: ffffffff96ea8918 R12: 1ffff92000c7ee14
[  427.004120][T18100] R13: 00000000000005dc R14: ffffc900063f7198 R15: ffff88800c002f08
[  427.004600][T18100] FS:  00007f07203e2800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  427.005174][T18100] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  427.005611][T18100] CR2: 00000000004a1738 CR3: 00000000139d7001 CR4: 0000000000772ef0
[  427.006132][T18100] PKRU: 55555554
[  427.006386][T18100] Call Trace:
[  427.006635][T18100]  <TASK>
[427.006821][T18100] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[427.007158][T18100] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[427.007486][T18100] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[427.007899][T18100] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[427.008246][T18100] netif_set_mtu (net/core/dev.c:9652) 
[427.008589][T18100] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[427.008943][T18100] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[427.009396][T18100] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[427.009656][T18100] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[427.010337][T18100] br_add_if (net/bridge/br_if.c:697) bridge 
[427.011030][T18100] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[427.011639][T18100] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[427.012263][T18100] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[427.012880][T18100] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[427.013475][T18100] ? __dev_get_by_name (net/core/dev.c:865) 
[427.014086][T18100] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[427.014698][T18100] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[427.015311][T18100] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[427.015932][T18100] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[427.016564][T18100] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[427.017220][T18100] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[427.017872][T18100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.018523][T18100] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[427.019164][T18100] ? __lock_release (kernel/locking/lockdep.c:5539) 
[427.019805][T18100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.020435][T18100] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[427.021072][T18100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.021714][T18100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.022352][T18100] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[427.022984][T18100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.023600][T18100] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[427.024263][T18100] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[427.024906][T18100] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[427.025527][T18100] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[427.026173][T18100] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[427.026804][T18100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.027457][T18100] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[427.028120][T18100] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[427.028778][T18100] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[427.029420][T18100] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[427.030061][T18100] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[427.030694][T18100] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[427.031464][T18100] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[427.032108][T18100] ___sys_sendmsg (net/socket.c:2670) 
[427.032764][T18100] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[427.033381][T18100] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[427.034017][T18100] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[427.034625][T18100] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[427.035263][T18100] ? __handle_mm_fault (mm/memory.c:6212) 
[427.035896][T18100] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[427.036506][T18100] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[427.037168][T18100] __sys_sendmsg (net/socket.c:2700) 
[427.037812][T18100] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[427.038420][T18100] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[427.039075][T18100] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[427.039713][T18100] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[427.040338][T18100] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[427.040967][T18100] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  427.041732][T18100] RIP: 0033:0x7f07205af1e7
[ 427.042382][T18100] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  427.044510][T18100] RSP: 002b:00007ffe7d7af448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  427.045433][T18100] RAX: ffffffffffffffda RBX: 00007ffe7d7afb70 RCX: 00007f07205af1e7
[  427.046370][T18100] RDX: 0000000000000000 RSI: 00007ffe7d7af4b0 RDI: 0000000000000005
[  427.047293][T18100] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  427.048213][T18100] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7d7afba8
[  427.049155][T18100] R13: 00000000686e6d20 R14: 0000000000499600 R15: 0000000000000000
| [  427.223981][T18103] ------------[ cut here ]------------
| [427.224319][T18103] WARNING: CPU: 2 PID: 18103 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  427.224997][T18103] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  427.226231][T18103] Tainted: [W]=WARN
[  427.226485][T18103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[427.226915][T18103] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 427.227273][T18103] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  427.228430][T18103] RSP: 0018:ffffc900063f7080 EFLAGS: 00010246
[  427.228863][T18103] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  427.229373][T18103] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  427.229888][T18103] RBP: ffffc900063f7168 R08: 0000000000000000 R09: 0000000000000000
[  427.230397][T18103] R10: ffffc900063f7198 R11: ffffffff96ea8918 R12: 1ffff92000c7ee14
[  427.230896][T18103] R13: 00000000000005dc R14: ffffc900063f7198 R15: ffff88800c002f08
[  427.231380][T18103] FS:  00007f11f56c9800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  427.231975][T18103] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  427.232386][T18103] CR2: 00000000004a1738 CR3: 00000000132a0006 CR4: 0000000000772ef0
[  427.232885][T18103] PKRU: 55555554
[  427.233138][T18103] Call Trace:
[  427.233394][T18103]  <TASK>
[427.233578][T18103] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[427.233938][T18103] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[427.234276][T18103] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[427.234694][T18103] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[427.235029][T18103] netif_set_mtu (net/core/dev.c:9652) 
[427.235364][T18103] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[427.235745][T18103] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[427.236207][T18103] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[427.236466][T18103] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[427.236929][T18103] br_add_if (net/bridge/br_if.c:697) bridge 
[427.237318][T18103] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[427.237657][T18103] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[427.238001][T18103] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[427.238347][T18103] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[427.238714][T18103] ? __dev_get_by_name (net/core/dev.c:865) 
[427.239049][T18103] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[427.239380][T18103] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[427.239729][T18103] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[427.240098][T18103] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[427.240441][T18103] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[427.240792][T18103] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[427.241148][T18103] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.241509][T18103] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[427.241859][T18103] ? __lock_release (kernel/locking/lockdep.c:5539) 
[427.242207][T18103] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.242565][T18103] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[427.242922][T18103] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.243270][T18103] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.243612][T18103] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[427.243956][T18103] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.244290][T18103] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[427.244661][T18103] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[427.245003][T18103] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[427.245336][T18103] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[427.245684][T18103] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[427.246031][T18103] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.246365][T18103] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[427.246704][T18103] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[427.247040][T18103] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[427.247376][T18103] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[427.247715][T18103] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[427.248050][T18103] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[427.248459][T18103] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[427.248819][T18103] ___sys_sendmsg (net/socket.c:2670) 
[427.249183][T18103] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[427.249523][T18103] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[427.249863][T18103] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[427.250196][T18103] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[427.250536][T18103] ? __handle_mm_fault (mm/memory.c:6212) 
[427.250897][T18103] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[427.251243][T18103] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[427.251619][T18103] __sys_sendmsg (net/socket.c:2700) 
[427.251972][T18103] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[427.252321][T18103] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[427.252685][T18103] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[427.253046][T18103] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[427.253399][T18103] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[427.253759][T18103] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  427.254187][T18103] RIP: 0033:0x7f11f58961e7
[ 427.254543][T18103] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  427.255752][T18103] RSP: 002b:00007fff7673fb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  427.256265][T18103] RAX: ffffffffffffffda RBX: 00007fff76740260 RCX: 00007f11f58961e7
[  427.256797][T18103] RDX: 0000000000000000 RSI: 00007fff7673fba0 RDI: 0000000000000005
[  427.257318][T18103] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  427.257833][T18103] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff76740298
[  427.258343][T18103] R13: 00000000686e6d20 R14: 0000000000499600 R15: 0000000000000000
| [  427.501818][T18104] ------------[ cut here ]------------
| [427.502185][T18104] WARNING: CPU: 0 PID: 18104 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  427.502885][T18104] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  427.504119][T18104] Tainted: [W]=WARN
[  427.504370][T18104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[427.504802][T18104] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 427.505139][T18104] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  427.506304][T18104] RSP: 0018:ffffc900063f7080 EFLAGS: 00010246
[  427.506718][T18104] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  427.507212][T18104] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  427.507707][T18104] RBP: ffffc900063f7168 R08: 0000000000000000 R09: 0000000000000000
[  427.508194][T18104] R10: ffffc900063f7198 R11: ffffffff96ea8918 R12: 1ffff92000c7ee14
[  427.508733][T18104] R13: 00000000000005dc R14: ffffc900063f7198 R15: ffff88800c002f08
[  427.509250][T18104] FS:  00007f49593cc800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  427.509853][T18104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  427.510284][T18104] CR2: 00000000004a1738 CR3: 0000000009b35001 CR4: 0000000000772ef0
[  427.510810][T18104] PKRU: 55555554
[  427.511068][T18104] Call Trace:
[  427.511338][T18104]  <TASK>
[427.511504][T18104] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[427.511868][T18104] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[427.512207][T18104] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[427.512600][T18104] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[427.512939][T18104] netif_set_mtu (net/core/dev.c:9652) 
[427.513276][T18104] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[427.513617][T18104] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[427.514117][T18104] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[427.514358][T18104] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[427.514851][T18104] br_add_if (net/bridge/br_if.c:697) bridge 
[427.515254][T18104] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[427.515591][T18104] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[427.515934][T18104] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[427.516266][T18104] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[427.516591][T18104] ? __dev_get_by_name (net/core/dev.c:865) 
[427.516945][T18104] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[427.517304][T18104] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[427.517664][T18104] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[427.518011][T18104] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[427.518361][T18104] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[427.518739][T18104] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[427.519075][T18104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.519402][T18104] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[427.519753][T18104] ? __lock_release (kernel/locking/lockdep.c:5539) 
[427.520089][T18104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.520451][T18104] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[427.520811][T18104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.521211][T18104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.521550][T18104] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[427.521907][T18104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.522245][T18104] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[427.522577][T18104] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[427.522923][T18104] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[427.523254][T18104] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[427.523588][T18104] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[427.523929][T18104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.524265][T18104] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[427.524591][T18104] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[427.524971][T18104] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[427.525336][T18104] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[427.525673][T18104] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[427.525993][T18104] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[427.526387][T18104] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[427.526765][T18104] ___sys_sendmsg (net/socket.c:2670) 
[427.527117][T18104] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[427.527454][T18104] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[427.527818][T18104] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[427.528158][T18104] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[427.528505][T18104] ? __handle_mm_fault (mm/memory.c:6212) 
[427.528885][T18104] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[427.529221][T18104] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[427.529572][T18104] __sys_sendmsg (net/socket.c:2700) 
[427.529918][T18104] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[427.530248][T18104] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[427.530592][T18104] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[427.530949][T18104] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[427.531284][T18104] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[427.531619][T18104] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  427.532054][T18104] RIP: 0033:0x7f49595991e7
[ 427.532400][T18104] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  427.533619][T18104] RSP: 002b:00007ffe3edadd38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  427.534153][T18104] RAX: ffffffffffffffda RBX: 00007ffe3edae460 RCX: 00007f49595991e7
[  427.534680][T18104] RDX: 0000000000000000 RSI: 00007ffe3edadda0 RDI: 0000000000000005
[  427.535185][T18104] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  427.535712][T18104] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe3edae498
[  427.536220][T18104] R13: 00000000686e6d21 R14: 0000000000499600 R15: 0000000000000000
| [  427.698725][T18106] ------------[ cut here ]------------
| [427.699076][T18106] WARNING: CPU: 3 PID: 18106 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  427.699788][T18106] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  427.701095][T18106] Tainted: [W]=WARN
[  427.701385][T18106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[427.701839][T18106] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 427.702225][T18106] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  427.703509][T18106] RSP: 0018:ffffc9000aea7080 EFLAGS: 00010246
[  427.703966][T18106] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  427.704512][T18106] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  427.705046][T18106] RBP: ffffc9000aea7168 R08: 0000000000000000 R09: 0000000000000000
[  427.705542][T18106] R10: ffffc9000aea7198 R11: ffffffff96ea8918 R12: 1ffff920015d4e14
[  427.706046][T18106] R13: 00000000000005dc R14: ffffc9000aea7198 R15: ffff88800c002f08
[  427.706549][T18106] FS:  00007f37d32e2800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  427.707137][T18106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  427.707555][T18106] CR2: 00000000004a1738 CR3: 000000000952d001 CR4: 0000000000772ef0
[  427.708055][T18106] PKRU: 55555554
[  427.708310][T18106] Call Trace:
[  427.708564][T18106]  <TASK>
[427.708761][T18106] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[427.709116][T18106] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[427.709453][T18106] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[427.709878][T18106] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[427.710217][T18106] netif_set_mtu (net/core/dev.c:9652) 
[427.710546][T18106] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[427.710899][T18106] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[427.711374][T18106] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[427.711633][T18106] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[427.712094][T18106] br_add_if (net/bridge/br_if.c:697) bridge 
[427.712472][T18106] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[427.712813][T18106] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[427.713151][T18106] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[427.713487][T18106] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[427.713836][T18106] ? __dev_get_by_name (net/core/dev.c:865) 
[427.714193][T18106] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[427.714537][T18106] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[427.714894][T18106] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[427.715243][T18106] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[427.715594][T18106] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[427.715963][T18106] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[427.716325][T18106] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.716700][T18106] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[427.717045][T18106] ? __lock_release (kernel/locking/lockdep.c:5539) 
[427.717400][T18106] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.717778][T18106] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[427.718126][T18106] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.718470][T18106] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.718851][T18106] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[427.719186][T18106] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.719519][T18106] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[427.719872][T18106] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[427.720208][T18106] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[427.720546][T18106] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[427.720916][T18106] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[427.721249][T18106] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.721587][T18106] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[427.721935][T18106] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[427.722265][T18106] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[427.722611][T18106] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[427.722957][T18106] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[427.723290][T18106] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[427.723728][T18106] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[427.724085][T18106] ___sys_sendmsg (net/socket.c:2670) 
[427.724437][T18106] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[427.724793][T18106] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[427.725151][T18106] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[427.725499][T18106] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[427.725863][T18106] ? __handle_mm_fault (mm/memory.c:6212) 
[427.726214][T18106] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[427.726569][T18106] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[427.726953][T18106] __sys_sendmsg (net/socket.c:2700) 
[427.727307][T18106] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[427.727662][T18106] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[427.728026][T18106] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[427.728379][T18106] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[427.728760][T18106] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[427.729106][T18106] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  427.729545][T18106] RIP: 0033:0x7f37d34af1e7
[ 427.729917][T18106] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  427.731165][T18106] RSP: 002b:00007ffdf1cd3708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  427.731706][T18106] RAX: ffffffffffffffda RBX: 00007ffdf1cd3e30 RCX: 00007f37d34af1e7
[  427.732233][T18106] RDX: 0000000000000000 RSI: 00007ffdf1cd3770 RDI: 0000000000000005
[  427.732761][T18106] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  427.733282][T18106] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf1cd3e68
[  427.733818][T18106] R13: 00000000686e6d21 R14: 0000000000499600 R15: 0000000000000000
| [  427.953628][T18108] ------------[ cut here ]------------
| [427.954009][T18108] WARNING: CPU: 1 PID: 18108 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  427.954718][T18108] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  427.955908][T18108] Tainted: [W]=WARN
[  427.956165][T18108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[427.956576][T18108] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 427.957083][T18108] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  427.958419][T18108] RSP: 0018:ffffc90002237080 EFLAGS: 00010246
[  427.959000][T18108] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  427.959501][T18108] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  427.960142][T18108] RBP: ffffc90002237168 R08: 0000000000000000 R09: 0000000000000000
[  427.960638][T18108] R10: ffffc90002237198 R11: ffffffff96ea8918 R12: 1ffff92000446e14
[  427.961275][T18108] R13: 00000000000005dc R14: ffffc90002237198 R15: ffff88800c002f08
[  427.961942][T18108] FS:  00007fd13a430800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  427.962520][T18108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  427.963029][T18108] CR2: 00000000004a1738 CR3: 000000000fed9006 CR4: 0000000000772ef0
[  427.963526][T18108] PKRU: 55555554
[  427.963782][T18108] Call Trace:
[  427.964030][T18108]  <TASK>
[427.964200][T18108] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[427.964542][T18108] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[427.964885][T18108] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[427.965298][T18108] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[427.965637][T18108] netif_set_mtu (net/core/dev.c:9652) 
[427.965974][T18108] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[427.966314][T18108] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[427.966790][T18108] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[427.967044][T18108] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[427.967493][T18108] br_add_if (net/bridge/br_if.c:697) bridge 
[427.967877][T18108] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[427.968205][T18108] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[427.968546][T18108] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[427.968889][T18108] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[427.969221][T18108] ? __dev_get_by_name (net/core/dev.c:865) 
[427.969553][T18108] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[427.969890][T18108] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[427.970222][T18108] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[427.970546][T18108] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[427.970892][T18108] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[427.971233][T18108] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[427.971568][T18108] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.971916][T18108] ? rcu_preempt_deferred_qs_irqrestore (kernel/rcu/tree_plugin.h:578 (discriminator 32)) 
[427.972325][T18108] ? __lock_release (kernel/locking/lockdep.c:5539) 
[427.972673][T18108] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[427.973006][T18108] ? rcu_read_unlock_special (kernel/rcu/tree_plugin.h:651 (discriminator 1)) 
[427.973333][T18108] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.973670][T18108] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[427.974002][T18108] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.974338][T18108] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.974683][T18108] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[427.975015][T18108] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.975349][T18108] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[427.975695][T18108] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[427.976021][T18108] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[427.976351][T18108] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[427.976699][T18108] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[427.977026][T18108] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.977359][T18108] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[427.977701][T18108] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[427.978028][T18108] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[427.978362][T18108] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[427.978762][T18108] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[427.979080][T18108] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[427.979472][T18108] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[427.979802][T18108] ___sys_sendmsg (net/socket.c:2670) 
[427.980120][T18108] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[427.980433][T18108] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[427.980760][T18108] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[427.981070][T18108] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[427.981401][T18108] ? __handle_mm_fault (mm/memory.c:6212) 
[427.981725][T18108] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[427.982034][T18108] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[427.982449][T18108] __sys_sendmsg (net/socket.c:2700) 
[427.982779][T18108] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[427.983092][T18108] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[427.983412][T18108] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[427.983736][T18108] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[427.984059][T18108] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[427.984508][T18108] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  427.985122][T18108] RIP: 0033:0x7fd13a5fd1e7
[ 427.985624][T18108] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  427.987905][T18108] RSP: 002b:00007ffe636db9d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  427.988687][T18108] RAX: ffffffffffffffda RBX: 00007ffe636dc100 RCX: 00007fd13a5fd1e7
[  427.989331][T18108] RDX: 0000000000000000 RSI: 00007ffe636dba40 RDI: 0000000000000005
[  427.990167][T18108] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  427.990920][T18108] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe636dc138
[  427.991871][T18108] R13: 00000000686e6d21 R14: 0000000000499600 R15: 0000000000000000
| [  428.146196][T18110] ------------[ cut here ]------------
| [428.146536][T18110] WARNING: CPU: 3 PID: 18110 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  428.147259][T18110] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  428.148482][T18110] Tainted: [W]=WARN
[  428.148762][T18110] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[428.149195][T18110] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 428.149559][T18110] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  428.150779][T18110] RSP: 0018:ffffc90002237080 EFLAGS: 00010246
[  428.151204][T18110] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  428.151720][T18110] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  428.152220][T18110] RBP: ffffc90002237168 R08: 0000000000000000 R09: 0000000000000000
[  428.152728][T18110] R10: ffffc90002237198 R11: ffffffff96ea8918 R12: 1ffff92000446e14
[  428.153225][T18110] R13: 00000000000005dc R14: ffffc90002237198 R15: ffff88800c002f08
[  428.153740][T18110] FS:  00007fdef9b7f800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  428.154331][T18110] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  428.154757][T18110] CR2: 00000000004a1738 CR3: 0000000004e32003 CR4: 0000000000772ef0
[  428.155259][T18110] PKRU: 55555554
[  428.155512][T18110] Call Trace:
[  428.155769][T18110]  <TASK>
[428.155946][T18110] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[428.156288][T18110] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[428.156626][T18110] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[428.157051][T18110] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[428.157393][T18110] netif_set_mtu (net/core/dev.c:9652) 
[428.157734][T18110] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[428.158078][T18110] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[428.158559][T18110] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[428.158829][T18110] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[428.159283][T18110] br_add_if (net/bridge/br_if.c:697) bridge 
[428.159671][T18110] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[428.160007][T18110] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[428.160347][T18110] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[428.160690][T18110] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[428.161021][T18110] ? __dev_get_by_name (net/core/dev.c:865) 
[428.161353][T18110] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.161693][T18110] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.162039][T18110] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[428.162374][T18110] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[428.162716][T18110] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[428.163055][T18110] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[428.163391][T18110] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.163752][T18110] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[428.164082][T18110] ? __lock_release (kernel/locking/lockdep.c:5539) 
[428.164416][T18110] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.164761][T18110] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[428.165098][T18110] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.165439][T18110] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.165788][T18110] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[428.166132][T18110] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.166464][T18110] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[428.166821][T18110] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[428.167162][T18110] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[428.167499][T18110] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[428.167846][T18110] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[428.168176][T18110] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.168508][T18110] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[428.168860][T18110] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[428.169195][T18110] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[428.169539][T18110] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[428.169900][T18110] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[428.170232][T18110] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[428.170659][T18110] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[428.171001][T18110] ___sys_sendmsg (net/socket.c:2670) 
[428.171333][T18110] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[428.171665][T18110] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[428.171997][T18110] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[428.172328][T18110] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[428.172670][T18110] ? __handle_mm_fault (mm/memory.c:6212) 
[428.172996][T18110] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[428.173322][T18110] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[428.173673][T18110] __sys_sendmsg (net/socket.c:2700) 
[428.174001][T18110] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[428.174332][T18110] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[428.174696][T18110] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[428.175026][T18110] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[428.175357][T18110] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[428.175693][T18110] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  428.176101][T18110] RIP: 0033:0x7fdef9d4c1e7
[ 428.176442][T18110] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  428.177639][T18110] RSP: 002b:00007ffebf7f6b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  428.178158][T18110] RAX: ffffffffffffffda RBX: 00007ffebf7f72a0 RCX: 00007fdef9d4c1e7
[  428.178677][T18110] RDX: 0000000000000000 RSI: 00007ffebf7f6be0 RDI: 0000000000000005
[  428.179187][T18110] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  428.179700][T18110] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffebf7f72d8
[  428.180241][T18110] R13: 00000000686e6d21 R14: 0000000000499600 R15: 0000000000000000
| [  428.355035][T18112] ------------[ cut here ]------------
| [428.355391][T18112] WARNING: CPU: 3 PID: 18112 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  428.356108][T18112] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  428.357357][T18112] Tainted: [W]=WARN
[  428.357615][T18112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[428.358044][T18112] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 428.358407][T18112] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  428.359708][T18112] RSP: 0018:ffffc9000ae97080 EFLAGS: 00010246
[  428.360174][T18112] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  428.360712][T18112] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  428.361245][T18112] RBP: ffffc9000ae97168 R08: 0000000000000000 R09: 0000000000000000
[  428.361800][T18112] R10: ffffc9000ae97198 R11: ffffffff96ea8918 R12: 1ffff920015d2e14
[  428.362343][T18112] R13: 00000000000005dc R14: ffffc9000ae97198 R15: ffff88800c002f08
[  428.362898][T18112] FS:  00007f06092b3800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  428.363531][T18112] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  428.363978][T18112] CR2: 00000000004a1738 CR3: 0000000005047006 CR4: 0000000000772ef0
[  428.364519][T18112] PKRU: 55555554
[  428.364800][T18112] Call Trace:
[  428.365073][T18112]  <TASK>
[428.365261][T18112] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[428.365640][T18112] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[428.366017][T18112] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[428.366477][T18112] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[428.366858][T18112] netif_set_mtu (net/core/dev.c:9652) 
[428.367214][T18112] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[428.367586][T18112] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[428.368098][T18112] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[428.368369][T18112] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[428.368870][T18112] br_add_if (net/bridge/br_if.c:697) bridge 
[428.369279][T18112] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[428.369656][T18112] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[428.370033][T18112] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[428.370386][T18112] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[428.370751][T18112] ? __dev_get_by_name (net/core/dev.c:865) 
[428.371109][T18112] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.371464][T18112] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.371834][T18112] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[428.372184][T18112] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[428.372543][T18112] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[428.372913][T18112] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[428.373270][T18112] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.373629][T18112] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[428.373982][T18112] ? __lock_release (kernel/locking/lockdep.c:5539) 
[428.374333][T18112] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.374689][T18112] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[428.375040][T18112] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.375393][T18112] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.375746][T18112] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[428.376089][T18112] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.376457][T18112] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[428.376834][T18112] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[428.377186][T18112] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[428.377527][T18112] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[428.377883][T18112] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[428.378224][T18112] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.378588][T18112] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[428.378944][T18112] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[428.379294][T18112] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[428.379661][T18112] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[428.380020][T18112] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[428.380373][T18112] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[428.380825][T18112] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[428.381189][T18112] ___sys_sendmsg (net/socket.c:2670) 
[428.381543][T18112] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[428.381889][T18112] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[428.382229][T18112] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[428.382572][T18112] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[428.382935][T18112] ? __handle_mm_fault (mm/memory.c:6212) 
[428.383284][T18112] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[428.383614][T18112] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[428.383982][T18112] __sys_sendmsg (net/socket.c:2700) 
[428.384316][T18112] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[428.384666][T18112] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[428.385011][T18112] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[428.385357][T18112] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[428.385711][T18112] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[428.386047][T18112] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  428.386471][T18112] RIP: 0033:0x7f06094801e7
[ 428.386841][T18112] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  428.388048][T18112] RSP: 002b:00007ffd1ef72358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  428.388574][T18112] RAX: ffffffffffffffda RBX: 00007ffd1ef72a80 RCX: 00007f06094801e7
[  428.389089][T18112] RDX: 0000000000000000 RSI: 00007ffd1ef723c0 RDI: 0000000000000005
[  428.389586][T18112] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  428.390096][T18112] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1ef72ab8
[  428.390601][T18112] R13: 00000000686e6d22 R14: 0000000000499600 R15: 0000000000000000
| [  428.560757][T18114] ------------[ cut here ]------------
| [428.561101][T18114] WARNING: CPU: 2 PID: 18114 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  428.561805][T18114] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  428.563039][T18114] Tainted: [W]=WARN
[  428.563309][T18114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[428.563753][T18114] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 428.564122][T18114] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  428.565315][T18114] RSP: 0018:ffffc90002237080 EFLAGS: 00010246
[  428.565759][T18114] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  428.566273][T18114] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  428.566778][T18114] RBP: ffffc90002237168 R08: 0000000000000000 R09: 0000000000000000
[  428.567275][T18114] R10: ffffc90002237198 R11: ffffffff96ea8918 R12: 1ffff92000446e14
[  428.567774][T18114] R13: 00000000000005dc R14: ffffc90002237198 R15: ffff88800c002f08
[  428.568271][T18114] FS:  00007fc3e76bd800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  428.568869][T18114] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  428.569291][T18114] CR2: 00007f8bd0ea37b0 CR3: 000000001368d002 CR4: 0000000000772ef0
[  428.569798][T18114] PKRU: 55555554
[  428.570055][T18114] Call Trace:
[  428.570326][T18114]  <TASK>
[428.570511][T18114] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[428.570876][T18114] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[428.571227][T18114] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[428.571644][T18114] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[428.571997][T18114] netif_set_mtu (net/core/dev.c:9652) 
[428.572327][T18114] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[428.572682][T18114] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[428.573144][T18114] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[428.573406][T18114] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[428.573874][T18114] br_add_if (net/bridge/br_if.c:697) bridge 
[428.574277][T18114] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[428.574618][T18114] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[428.574969][T18114] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[428.575348][T18114] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[428.575697][T18114] ? __dev_get_by_name (net/core/dev.c:865) 
[428.576040][T18114] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.576395][T18114] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.576781][T18114] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[428.577142][T18114] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[428.577505][T18114] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[428.577880][T18114] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[428.578214][T18114] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.578574][T18114] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[428.578927][T18114] ? __lock_release (kernel/locking/lockdep.c:5539) 
[428.579272][T18114] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.579608][T18114] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[428.579982][T18114] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.580332][T18114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.580684][T18114] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[428.581024][T18114] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.581376][T18114] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[428.581764][T18114] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[428.582118][T18114] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[428.582463][T18114] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[428.582816][T18114] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[428.583155][T18114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.583508][T18114] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[428.583861][T18114] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[428.584194][T18114] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[428.584540][T18114] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[428.584895][T18114] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[428.585228][T18114] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[428.585669][T18114] ___sys_sendmsg (net/socket.c:2670) 
[428.586016][T18114] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[428.586358][T18114] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[428.586722][T18114] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[428.587054][T18114] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[428.587394][T18114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.587758][T18114] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[428.588111][T18114] __sys_sendmsg (net/socket.c:2700) 
[428.588451][T18114] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[428.588823][T18114] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[428.589169][T18114] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[428.589510][T18114] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  428.589936][T18114] RIP: 0033:0x7fc3e788a1e7
[ 428.590293][T18114] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  428.591478][T18114] RSP: 002b:00007ffe5b4b0698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  428.591988][T18114] RAX: ffffffffffffffda RBX: 00007ffe5b4b0dc0 RCX: 00007fc3e788a1e7
[  428.592504][T18114] RDX: 0000000000000000 RSI: 00007ffe5b4b0700 RDI: 0000000000000005
[  428.593020][T18114] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  428.593542][T18114] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe5b4b0df8
[  428.594069][T18114] R13: 00000000686e6d22 R14: 0000000000499600 R15: 0000000000000000
| [  428.775995][T18116] ------------[ cut here ]------------
| [428.776321][T18116] WARNING: CPU: 0 PID: 18116 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  428.776992][T18116] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  428.778162][T18116] Tainted: [W]=WARN
[  428.778409][T18116] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[428.778880][T18116] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 428.779226][T18116] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  428.780414][T18116] RSP: 0018:ffffc9000aec7080 EFLAGS: 00010246
[  428.780846][T18116] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  428.781331][T18116] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  428.781839][T18116] RBP: ffffc9000aec7168 R08: 0000000000000000 R09: 0000000000000000
[  428.782314][T18116] R10: ffffc9000aec7198 R11: ffffffff96ea8918 R12: 1ffff920015d8e14
[  428.782818][T18116] R13: 00000000000005dc R14: ffffc9000aec7198 R15: ffff88800c002f08
[  428.783309][T18116] FS:  00007f29d186f800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  428.783919][T18116] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  428.784327][T18116] CR2: 00007f29d1bce480 CR3: 0000000008daa006 CR4: 0000000000772ef0
[  428.785000][T18116] PKRU: 55555554
[  428.785433][T18116] Call Trace:
[  428.785850][T18116]  <TASK>
[428.786020][T18116] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[428.786352][T18116] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[428.786704][T18116] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[428.787117][T18116] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[428.787443][T18116] netif_set_mtu (net/core/dev.c:9652) 
[428.787815][T18116] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[428.788157][T18116] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[428.788632][T18116] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[428.788903][T18116] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[428.789349][T18116] br_add_if (net/bridge/br_if.c:697) bridge 
[428.789741][T18116] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[428.790127][T18116] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[428.790473][T18116] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[428.790829][T18116] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[428.791154][T18116] ? __dev_get_by_name (net/core/dev.c:865) 
[428.791473][T18116] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.791823][T18116] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.792146][T18116] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[428.792457][T18116] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[428.792802][T18116] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[428.793144][T18116] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[428.793478][T18116] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.793846][T18116] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[428.794167][T18116] ? __lock_release (kernel/locking/lockdep.c:5539) 
[428.794495][T18116] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.794845][T18116] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[428.795171][T18116] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.795494][T18116] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.795849][T18116] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[428.796168][T18116] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.796501][T18116] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[428.796853][T18116] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[428.797182][T18116] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[428.797507][T18116] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[428.797861][T18116] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[428.798179][T18116] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.798587][T18116] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[428.798947][T18116] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[428.799271][T18116] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[428.799689][T18116] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[428.800075][T18116] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[428.800455][T18116] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[428.801009][T18116] ___sys_sendmsg (net/socket.c:2670) 
[428.801401][T18116] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[428.801798][T18116] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[428.802184][T18116] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[428.802575][T18116] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[428.802921][T18116] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.803249][T18116] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[428.803566][T18116] __sys_sendmsg (net/socket.c:2700) 
[428.803893][T18116] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[428.804232][T18116] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[428.804547][T18116] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[428.804876][T18116] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  428.805268][T18116] RIP: 0033:0x7f29d1a3c1e7
[ 428.805594][T18116] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  428.806724][T18116] RSP: 002b:00007ffefcc2da08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  428.807200][T18116] RAX: ffffffffffffffda RBX: 00007ffefcc2e130 RCX: 00007f29d1a3c1e7
[  428.807675][T18116] RDX: 0000000000000000 RSI: 00007ffefcc2da70 RDI: 0000000000000005
[  428.808145][T18116] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  428.808634][T18116] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffefcc2e168
[  428.809118][T18116] R13: 00000000686e6d22 R14: 0000000000499600 R15: 0000000000000000
| [  428.967568][T18118] ------------[ cut here ]------------
| [428.967940][T18118] WARNING: CPU: 2 PID: 18118 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  428.968633][T18118] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  428.969864][T18118] Tainted: [W]=WARN
[  428.970137][T18118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[428.970588][T18118] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 428.971012][T18118] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  428.972206][T18118] RSP: 0018:ffffc9000b347080 EFLAGS: 00010246
[  428.972629][T18118] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  428.973143][T18118] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  428.973658][T18118] RBP: ffffc9000b347168 R08: 0000000000000000 R09: 0000000000000000
[  428.974165][T18118] R10: ffffc9000b347198 R11: ffffffff96ea8918 R12: 1ffff92001668e14
[  428.974698][T18118] R13: 00000000000005dc R14: ffffc9000b347198 R15: ffff88800c002f08
[  428.975227][T18118] FS:  00007f6be92f1800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  428.975823][T18118] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  428.976249][T18118] CR2: 00005631b19f9100 CR3: 00000000131e4006 CR4: 0000000000772ef0
[  428.976771][T18118] PKRU: 55555554
[  428.977031][T18118] Call Trace:
[  428.977290][T18118]  <TASK>
[428.977470][T18118] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[428.977835][T18118] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[428.978183][T18118] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[428.978623][T18118] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[428.978982][T18118] netif_set_mtu (net/core/dev.c:9652) 
[428.979331][T18118] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[428.979709][T18118] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[428.980183][T18118] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[428.980450][T18118] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[428.980933][T18118] br_add_if (net/bridge/br_if.c:697) bridge 
[428.981373][T18118] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[428.981728][T18118] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[428.982072][T18118] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[428.982414][T18118] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[428.982752][T18118] ? __dev_get_by_name (net/core/dev.c:865) 
[428.983084][T18118] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.983410][T18118] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[428.983758][T18118] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[428.984087][T18118] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[428.984420][T18118] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[428.984770][T18118] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[428.985129][T18118] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.985472][T18118] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[428.985821][T18118] ? __lock_release (kernel/locking/lockdep.c:5539) 
[428.986187][T18118] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.986516][T18118] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[428.986885][T18118] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.987225][T18118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.987562][T18118] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[428.987900][T18118] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.988229][T18118] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[428.988580][T18118] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[428.988920][T18118] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[428.989257][T18118] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[428.989589][T18118] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[428.989926][T18118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.990264][T18118] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[428.990594][T18118] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[428.990944][T18118] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[428.991279][T18118] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[428.991622][T18118] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[428.991968][T18118] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[428.992390][T18118] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[428.992743][T18118] ___sys_sendmsg (net/socket.c:2670) 
[428.993096][T18118] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[428.993428][T18118] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[428.993771][T18118] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[428.994113][T18118] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[428.994446][T18118] ? __handle_mm_fault (mm/memory.c:6212) 
[428.994786][T18118] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[428.995123][T18118] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[428.995473][T18118] __sys_sendmsg (net/socket.c:2700) 
[428.995816][T18118] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[428.996155][T18118] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[428.996489][T18118] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[428.996844][T18118] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[428.997176][T18118] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[428.997506][T18118] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  428.997921][T18118] RIP: 0033:0x7f6be94be1e7
[ 428.998255][T18118] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  428.999439][T18118] RSP: 002b:00007ffecaf079d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  428.999954][T18118] RAX: ffffffffffffffda RBX: 00007ffecaf08100 RCX: 00007f6be94be1e7
[  429.000456][T18118] RDX: 0000000000000000 RSI: 00007ffecaf07a40 RDI: 0000000000000005
[  429.000980][T18118] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  429.001502][T18118] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffecaf08138
[  429.002016][T18118] R13: 00000000686e6d22 R14: 0000000000499600 R15: 0000000000000000
| [  429.189200][T18120] ------------[ cut here ]------------
| [429.189571][T18120] WARNING: CPU: 1 PID: 18120 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  429.190435][T18120] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  429.191849][T18120] Tainted: [W]=WARN
[  429.192099][T18120] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[429.192529][T18120] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 429.192893][T18120] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  429.194087][T18120] RSP: 0018:ffffc9000ae97080 EFLAGS: 00010246
[  429.194517][T18120] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  429.195025][T18120] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  429.195544][T18120] RBP: ffffc9000ae97168 R08: 0000000000000000 R09: 0000000000000000
[  429.196090][T18120] R10: ffffc9000ae97198 R11: ffffffff96ea8918 R12: 1ffff920015d2e14
[  429.196602][T18120] R13: 00000000000005dc R14: ffffc9000ae97198 R15: ffff88800c002f08
[  429.197140][T18120] FS:  00007fe8591ae800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  429.197742][T18120] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  429.198178][T18120] CR2: 00000000004a1738 CR3: 000000000cacf004 CR4: 0000000000772ef0
[  429.198714][T18120] PKRU: 55555554
[  429.198964][T18120] Call Trace:
[  429.199206][T18120]  <TASK>
[429.199371][T18120] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[429.199745][T18120] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[429.200100][T18120] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[429.200545][T18120] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[429.200897][T18120] netif_set_mtu (net/core/dev.c:9652) 
[429.201216][T18120] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[429.201546][T18120] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[429.202055][T18120] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[429.202328][T18120] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[429.202802][T18120] br_add_if (net/bridge/br_if.c:697) bridge 
[429.203189][T18120] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[429.203577][T18120] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[429.203980][T18120] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[429.204412][T18120] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[429.204835][T18120] ? __dev_get_by_name (net/core/dev.c:865) 
[429.205172][T18120] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.205506][T18120] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.205841][T18120] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[429.206173][T18120] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.206511][T18120] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[429.206849][T18120] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[429.207187][T18120] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.207614][T18120] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[429.207977][T18120] ? __lock_release (kernel/locking/lockdep.c:5539) 
[429.208337][T18120] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.208719][T18120] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[429.209038][T18120] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.209373][T18120] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.209719][T18120] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[429.210037][T18120] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.210352][T18120] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[429.210701][T18120] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[429.211013][T18120] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[429.211346][T18120] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[429.211713][T18120] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[429.212046][T18120] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.212464][T18120] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[429.213047][T18120] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[429.213465][T18120] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[429.213816][T18120] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[429.214159][T18120] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[429.214523][T18120] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[429.214975][T18120] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[429.215462][T18120] ___sys_sendmsg (net/socket.c:2670) 
[429.215912][T18120] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[429.216485][T18120] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[429.217118][T18120] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.217736][T18120] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[429.218086][T18120] ? __handle_mm_fault (mm/memory.c:6212) 
[429.218459][T18120] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[429.218839][T18120] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[429.219195][T18120] __sys_sendmsg (net/socket.c:2700) 
[429.219532][T18120] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[429.219892][T18120] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[429.220300][T18120] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[429.220799][T18120] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[429.221279][T18120] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[429.221790][T18120] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  429.222407][T18120] RIP: 0033:0x7fe85937b1e7
[ 429.222979][T18120] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  429.225025][T18120] RSP: 002b:00007ffe3872c8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  429.225789][T18120] RAX: ffffffffffffffda RBX: 00007ffe3872d020 RCX: 00007fe85937b1e7
[  429.226709][T18120] RDX: 0000000000000000 RSI: 00007ffe3872c960 RDI: 0000000000000005
[  429.227691][T18120] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  429.228689][T18120] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe3872d058
[  429.229577][T18120] R13: 00000000686e6d22 R14: 0000000000499600 R15: 0000000000000000
| [  429.443114][T18122] ------------[ cut here ]------------
| [429.443433][T18122] WARNING: CPU: 0 PID: 18122 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  429.444111][T18122] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  429.445248][T18122] Tainted: [W]=WARN
[  429.445485][T18122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[429.445889][T18122] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 429.446213][T18122] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  429.447377][T18122] RSP: 0018:ffffc90006cc7080 EFLAGS: 00010246
[  429.447799][T18122] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  429.448304][T18122] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  429.448825][T18122] RBP: ffffc90006cc7168 R08: 0000000000000000 R09: 0000000000000000
[  429.449315][T18122] R10: ffffc90006cc7198 R11: ffffffff96ea8918 R12: 1ffff92000d98e14
[  429.449836][T18122] R13: 00000000000005dc R14: ffffc90006cc7198 R15: ffff88800c002f08
[  429.450331][T18122] FS:  00007fb323848800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  429.450941][T18122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  429.451345][T18122] CR2: 00000000004a1738 CR3: 000000001324b004 CR4: 0000000000772ef0
[  429.451826][T18122] PKRU: 55555554
[  429.452063][T18122] Call Trace:
[  429.452312][T18122]  <TASK>
[429.452501][T18122] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[429.452853][T18122] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[429.453196][T18122] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[429.453619][T18122] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[429.453976][T18122] netif_set_mtu (net/core/dev.c:9652) 
[429.454310][T18122] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[429.454664][T18122] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[429.455129][T18122] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[429.455387][T18122] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[429.455849][T18122] br_add_if (net/bridge/br_if.c:697) bridge 
[429.456235][T18122] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[429.456570][T18122] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[429.456919][T18122] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[429.457256][T18122] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[429.457586][T18122] ? __dev_get_by_name (net/core/dev.c:865) 
[429.457920][T18122] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.458251][T18122] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.458611][T18122] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[429.458983][T18122] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.459316][T18122] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[429.459666][T18122] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[429.459992][T18122] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.460343][T18122] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[429.460668][T18122] ? __lock_release (kernel/locking/lockdep.c:5539) 
[429.461005][T18122] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.461322][T18122] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[429.461672][T18122] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.461991][T18122] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.462311][T18122] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[429.462632][T18122] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.462961][T18122] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[429.463309][T18122] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[429.463639][T18122] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[429.463967][T18122] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[429.464304][T18122] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[429.464628][T18122] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.464965][T18122] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[429.465289][T18122] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[429.465606][T18122] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[429.465940][T18122] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[429.466265][T18122] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[429.466592][T18122] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[429.467029][T18122] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[429.467371][T18122] ___sys_sendmsg (net/socket.c:2670) 
[429.467713][T18122] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[429.468045][T18122] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[429.468377][T18122] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.468742][T18122] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[429.469079][T18122] ? __handle_mm_fault (mm/memory.c:6212) 
[429.469420][T18122] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[429.469777][T18122] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[429.470152][T18122] __sys_sendmsg (net/socket.c:2700) 
[429.470508][T18122] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[429.470885][T18122] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[429.471240][T18122] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[429.471602][T18122] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[429.471961][T18122] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[429.472325][T18122] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  429.472759][T18122] RIP: 0033:0x7fb323a151e7
[ 429.473128][T18122] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  429.474367][T18122] RSP: 002b:00007ffe596c5608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  429.475138][T18122] RAX: ffffffffffffffda RBX: 00007ffe596c5d30 RCX: 00007fb323a151e7
[  429.475652][T18122] RDX: 0000000000000000 RSI: 00007ffe596c5670 RDI: 0000000000000005
[  429.476157][T18122] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  429.476664][T18122] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe596c5d68
[  429.477158][T18122] R13: 00000000686e6d23 R14: 0000000000499600 R15: 0000000000000000
| [  429.677477][T18124] ------------[ cut here ]------------
| [429.678027][T18124] WARNING: CPU: 0 PID: 18124 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  429.679087][T18124] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  429.681352][T18124] Tainted: [W]=WARN
[  429.682066][T18124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[429.683040][T18124] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 429.683620][T18124] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  429.685572][T18124] RSP: 0018:ffffc9000aea7080 EFLAGS: 00010246
[  429.686314][T18124] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  429.687169][T18124] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  429.688039][T18124] RBP: ffffc9000aea7168 R08: 0000000000000000 R09: 0000000000000000
[  429.688937][T18124] R10: ffffc9000aea7198 R11: ffffffff96ea8918 R12: 1ffff920015d4e14
[  429.689820][T18124] R13: 00000000000005dc R14: ffffc9000aea7198 R15: ffff88800c002f08
[  429.690694][T18124] FS:  00007fbcb6e80800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  429.691712][T18124] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  429.692446][T18124] CR2: 00000000004a1738 CR3: 000000000f9cb006 CR4: 0000000000772ef0
[  429.693328][T18124] PKRU: 55555554
[  429.693776][T18124] Call Trace:
[  429.694199][T18124]  <TASK>
[429.694474][T18124] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[429.694998][T18124] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[429.695564][T18124] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[429.696287][T18124] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[429.696880][T18124] netif_set_mtu (net/core/dev.c:9652) 
[429.697394][T18124] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[429.697997][T18124] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[429.698822][T18124] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[429.699262][T18124] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[429.700076][T18124] br_add_if (net/bridge/br_if.c:697) bridge 
[429.700784][T18124] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[429.701352][T18124] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[429.701947][T18124] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[429.702523][T18124] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[429.703102][T18124] ? __dev_get_by_name (net/core/dev.c:865) 
[429.703553][T18124] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.704174][T18124] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.704807][T18124] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[429.705384][T18124] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.705982][T18124] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[429.706577][T18124] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[429.707000][T18124] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.707343][T18124] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[429.707695][T18124] ? __lock_release (kernel/locking/lockdep.c:5539) 
[429.708024][T18124] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.708342][T18124] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[429.708695][T18124] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.709013][T18124] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.709337][T18124] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[429.709753][T18124] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.710336][T18124] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[429.710937][T18124] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[429.711251][T18124] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[429.711572][T18124] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[429.711909][T18124] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[429.712223][T18124] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.712546][T18124] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[429.712887][T18124] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[429.713216][T18124] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[429.713544][T18124] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[429.714114][T18124] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[429.714704][T18124] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[429.715155][T18124] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[429.715477][T18124] ___sys_sendmsg (net/socket.c:2670) 
[429.715825][T18124] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[429.716143][T18124] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[429.716459][T18124] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.716790][T18124] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[429.717113][T18124] ? __handle_mm_fault (mm/memory.c:6212) 
[429.717430][T18124] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[429.717762][T18124] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[429.718101][T18124] __sys_sendmsg (net/socket.c:2700) 
[429.718417][T18124] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[429.718857][T18124] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[429.719181][T18124] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[429.719502][T18124] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[429.719865][T18124] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[429.720183][T18124] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  429.720577][T18124] RIP: 0033:0x7fbcb704d1e7
[ 429.720926][T18124] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  429.722077][T18124] RSP: 002b:00007ffc9e808998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  429.722554][T18124] RAX: ffffffffffffffda RBX: 00007ffc9e8090c0 RCX: 00007fbcb704d1e7
[  429.723056][T18124] RDX: 0000000000000000 RSI: 00007ffc9e808a00 RDI: 0000000000000005
[  429.723528][T18124] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  429.724044][T18124] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9e8090f8
[  429.724523][T18124] R13: 00000000686e6d23 R14: 0000000000499600 R15: 0000000000000000
| [  429.865531][T18126] ------------[ cut here ]------------
| [429.865892][T18126] WARNING: CPU: 0 PID: 18126 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  429.866513][T18126] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  429.867657][T18126] Tainted: [W]=WARN
[  429.867896][T18126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[429.868290][T18126] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 429.868628][T18126] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  429.869758][T18126] RSP: 0018:ffffc9000ae77080 EFLAGS: 00010246
[  429.870158][T18126] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  429.870633][T18126] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  429.871119][T18126] RBP: ffffc9000ae77168 R08: 0000000000000000 R09: 0000000000000000
[  429.871598][T18126] R10: ffffc9000ae77198 R11: ffffffff96ea8918 R12: 1ffff920015cee14
[  429.872107][T18126] R13: 00000000000005dc R14: ffffc9000ae77198 R15: ffff88800c002f08
[  429.872580][T18126] FS:  00007f6f0c5ca800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  429.873440][T18126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  429.874135][T18126] CR2: 00000000004a1738 CR3: 0000000013d0c003 CR4: 0000000000772ef0
[  429.874907][T18126] PKRU: 55555554
[  429.875309][T18126] Call Trace:
[  429.875752][T18126]  <TASK>
[429.876054][T18126] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[429.876683][T18126] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[429.877269][T18126] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[429.878020][T18126] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[429.878693][T18126] netif_set_mtu (net/core/dev.c:9652) 
[429.879260][T18126] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[429.879867][T18126] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[429.880678][T18126] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[429.881142][T18126] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[429.881936][T18126] br_add_if (net/bridge/br_if.c:697) bridge 
[429.882337][T18126] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[429.882675][T18126] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[429.883003][T18126] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[429.883326][T18126] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[429.883654][T18126] ? __dev_get_by_name (net/core/dev.c:865) 
[429.883979][T18126] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.884295][T18126] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[429.884623][T18126] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[429.884948][T18126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.885273][T18126] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[429.885602][T18126] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[429.885940][T18126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.886273][T18126] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[429.886606][T18126] ? __lock_release (kernel/locking/lockdep.c:5539) 
[429.886936][T18126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[429.887255][T18126] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[429.887575][T18126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.887920][T18126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.888246][T18126] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[429.888581][T18126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[429.888912][T18126] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[429.889242][T18126] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[429.889565][T18126] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[429.889907][T18126] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[429.890250][T18126] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[429.890590][T18126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[429.890944][T18126] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[429.891292][T18126] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[429.891634][T18126] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[429.891989][T18126] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[429.892338][T18126] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[429.892686][T18126] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[429.893119][T18126] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[429.893469][T18126] ___sys_sendmsg (net/socket.c:2670) 
[429.893819][T18126] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[429.894157][T18126] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[429.894496][T18126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[429.894848][T18126] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[429.895198][T18126] ? __handle_mm_fault (mm/memory.c:6212) 
[429.895538][T18126] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[429.895887][T18126] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[429.896246][T18126] __sys_sendmsg (net/socket.c:2700) 
[429.896583][T18126] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[429.896926][T18126] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[429.897284][T18126] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[429.897624][T18126] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[429.897977][T18126] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[429.898319][T18126] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  429.898767][T18126] RIP: 0033:0x7f6f0c7971e7
[ 429.899124][T18126] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  429.900340][T18126] RSP: 002b:00007ffc3da121a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  429.900861][T18126] RAX: ffffffffffffffda RBX: 00007ffc3da128d0 RCX: 00007f6f0c7971e7
[  429.901376][T18126] RDX: 0000000000000000 RSI: 00007ffc3da12210 RDI: 0000000000000005
[  429.901900][T18126] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  429.902403][T18126] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc3da12908
[  429.902923][T18126] R13: 00000000686e6d23 R14: 0000000000499600 R15: 0000000000000000
| [  430.099849][T18129] ------------[ cut here ]------------
| [430.100161][T18129] WARNING: CPU: 3 PID: 18129 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  430.100855][T18129] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  430.102047][T18129] Tainted: [W]=WARN
[  430.102288][T18129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[430.102705][T18129] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 430.103034][T18129] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  430.104166][T18129] RSP: 0018:ffffc9000aec7080 EFLAGS: 00010246
[  430.104562][T18129] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  430.105052][T18129] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  430.105539][T18129] RBP: ffffc9000aec7168 R08: 0000000000000000 R09: 0000000000000000
[  430.106030][T18129] R10: ffffc9000aec7198 R11: ffffffff96ea8918 R12: 1ffff920015d8e14
[  430.106519][T18129] R13: 00000000000005dc R14: ffffc9000aec7198 R15: ffff88800c002f08
[  430.107056][T18129] FS:  00007f62ac93e800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  430.107624][T18129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.108063][T18129] CR2: 00000000004a1738 CR3: 00000000134ad002 CR4: 0000000000772ef0
[  430.108599][T18129] PKRU: 55555554
[  430.108864][T18129] Call Trace:
[  430.109126][T18129]  <TASK>
[430.109309][T18129] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[430.109709][T18129] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[430.110041][T18129] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[430.110452][T18129] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[430.110779][T18129] netif_set_mtu (net/core/dev.c:9652) 
[430.111132][T18129] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[430.111492][T18129] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[430.111974][T18129] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[430.112234][T18129] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[430.112702][T18129] br_add_if (net/bridge/br_if.c:697) bridge 
[430.113077][T18129] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[430.113430][T18129] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[430.113779][T18129] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[430.114129][T18129] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[430.114461][T18129] ? __dev_get_by_name (net/core/dev.c:865) 
[430.114802][T18129] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.115164][T18129] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.115497][T18129] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[430.115830][T18129] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.116184][T18129] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[430.116532][T18129] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[430.116886][T18129] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.117230][T18129] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[430.117564][T18129] ? __lock_release (kernel/locking/lockdep.c:5539) 
[430.117898][T18129] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.118232][T18129] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[430.118571][T18129] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.118935][T18129] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.119304][T18129] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[430.119662][T18129] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.120000][T18129] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[430.120345][T18129] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[430.120678][T18129] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[430.121006][T18129] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[430.121334][T18129] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[430.121673][T18129] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.122016][T18129] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[430.122365][T18129] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[430.122716][T18129] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[430.123082][T18129] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[430.123642][T18129] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[430.123978][T18129] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[430.124401][T18129] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[430.124989][T18129] ___sys_sendmsg (net/socket.c:2670) 
[430.125324][T18129] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[430.125665][T18129] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[430.125996][T18129] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.126320][T18129] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[430.126666][T18129] ? __handle_mm_fault (mm/memory.c:6212) 
[430.127038][T18129] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[430.127376][T18129] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[430.128427][T18129] __sys_sendmsg (net/socket.c:2700) 
[430.128779][T18129] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[430.129103][T18129] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[430.129439][T18129] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[430.129783][T18129] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[430.130125][T18129] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[430.130466][T18129] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  430.130888][T18129] RIP: 0033:0x7f62acb0b1e7
[ 430.131499][T18129] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  430.132703][T18129] RSP: 002b:00007ffdc9854ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.133207][T18129] RAX: ffffffffffffffda RBX: 00007ffdc9855600 RCX: 00007f62acb0b1e7
[  430.133699][T18129] RDX: 0000000000000000 RSI: 00007ffdc9854f40 RDI: 0000000000000005
[  430.134187][T18129] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  430.134694][T18129] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc9855638
[  430.135218][T18129] R13: 00000000686e6d23 R14: 0000000000499600 R15: 0000000000000000
| [  430.303479][T18131] ------------[ cut here ]------------
| [430.303889][T18131] WARNING: CPU: 0 PID: 18131 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  430.304667][T18131] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  430.306206][T18131] Tainted: [W]=WARN
[  430.306452][T18131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[430.306883][T18131] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 430.307218][T18131] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  430.308387][T18131] RSP: 0018:ffffc9000ae97080 EFLAGS: 00010246
[  430.308852][T18131] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  430.309336][T18131] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  430.309838][T18131] RBP: ffffc9000ae97168 R08: 0000000000000000 R09: 0000000000000000
[  430.310313][T18131] R10: ffffc9000ae97198 R11: ffffffff96ea8918 R12: 1ffff920015d2e14
[  430.310817][T18131] R13: 00000000000005dc R14: ffffc9000ae97198 R15: ffff88800c002f08
[  430.311355][T18131] FS:  00007f16e508e800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  430.311969][T18131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.312398][T18131] CR2: 00000000004a1738 CR3: 0000000005186002 CR4: 0000000000772ef0
[  430.312936][T18131] PKRU: 55555554
[  430.313193][T18131] Call Trace:
[  430.313449][T18131]  <TASK>
[430.313660][T18131] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[430.314239][T18131] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[430.314577][T18131] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[430.315021][T18131] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[430.315422][T18131] netif_set_mtu (net/core/dev.c:9652) 
[430.315843][T18131] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[430.316201][T18131] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[430.316719][T18131] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[430.316987][T18131] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[430.317447][T18131] br_add_if (net/bridge/br_if.c:697) bridge 
[430.317932][T18131] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[430.318273][T18131] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[430.318628][T18131] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[430.318971][T18131] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[430.319385][T18131] ? __dev_get_by_name (net/core/dev.c:865) 
[430.319798][T18131] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.320136][T18131] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.320571][T18131] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[430.321042][T18131] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.321441][T18131] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[430.321939][T18131] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[430.322368][T18131] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.322738][T18131] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[430.323066][T18131] ? __lock_release (kernel/locking/lockdep.c:5539) 
[430.323489][T18131] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.323845][T18131] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[430.324193][T18131] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.324626][T18131] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.325035][T18131] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[430.325396][T18131] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.325880][T18131] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[430.326277][T18131] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[430.326623][T18131] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[430.327062][T18131] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[430.327401][T18131] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[430.327755][T18131] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.328176][T18131] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[430.328596][T18131] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[430.329057][T18131] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[430.329402][T18131] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[430.329845][T18131] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[430.330195][T18131] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[430.330703][T18131] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[430.331133][T18131] ___sys_sendmsg (net/socket.c:2670) 
[430.331549][T18131] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[430.331914][T18131] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[430.332333][T18131] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.332697][T18131] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[430.333127][T18131] ? __handle_mm_fault (mm/memory.c:6212) 
[430.333457][T18131] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[430.333813][T18131] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[430.334242][T18131] __sys_sendmsg (net/socket.c:2700) 
[430.334680][T18131] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[430.335004][T18131] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[430.335426][T18131] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[430.335794][T18131] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[430.336128][T18131] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[430.336518][T18131] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  430.336988][T18131] RIP: 0033:0x7f16e525b1e7
[ 430.337408][T18131] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  430.339363][T18131] RSP: 002b:00007ffcf8791598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.340253][T18131] RAX: ffffffffffffffda RBX: 00007ffcf8791cc0 RCX: 00007f16e525b1e7
[  430.341158][T18131] RDX: 0000000000000000 RSI: 00007ffcf8791600 RDI: 0000000000000005
[  430.342059][T18131] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  430.342976][T18131] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcf8791cf8
[  430.343921][T18131] R13: 00000000686e6d24 R14: 0000000000499600 R15: 0000000000000000
| [  430.566634][T18133] ------------[ cut here ]------------
| [430.567313][T18133] WARNING: CPU: 1 PID: 18133 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  430.568529][T18133] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  430.570225][T18133] Tainted: [W]=WARN
[  430.570470][T18133] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[430.570883][T18133] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 430.571216][T18133] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  430.572364][T18133] RSP: 0000:ffffc90006127080 EFLAGS: 00010246
[  430.572787][T18133] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  430.573285][T18133] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  430.573776][T18133] RBP: ffffc90006127168 R08: 0000000000000000 R09: 0000000000000000
[  430.574311][T18133] R10: ffffc90006127198 R11: ffffffff96ea8918 R12: 1ffff92000c24e14
[  430.574818][T18133] R13: 00000000000005dc R14: ffffc90006127198 R15: ffff88800c002f08
[  430.575318][T18133] FS:  00007ff3d0b24800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  430.575932][T18133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.576362][T18133] CR2: 00007f8bd12ace80 CR3: 000000000c0ac003 CR4: 0000000000772ef0
[  430.576873][T18133] PKRU: 55555554
[  430.577119][T18133] Call Trace:
[  430.577369][T18133]  <TASK>
[430.577540][T18133] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[430.577924][T18133] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[430.578266][T18133] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[430.578716][T18133] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[430.579052][T18133] netif_set_mtu (net/core/dev.c:9652) 
[430.579387][T18133] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[430.579757][T18133] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[430.580222][T18133] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[430.580477][T18133] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[430.580949][T18133] br_add_if (net/bridge/br_if.c:697) bridge 
[430.581336][T18133] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[430.581680][T18133] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[430.582053][T18133] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[430.582391][T18133] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[430.582736][T18133] ? __dev_get_by_name (net/core/dev.c:865) 
[430.583073][T18133] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.583405][T18133] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.583764][T18133] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[430.584094][T18133] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.584431][T18133] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[430.584784][T18133] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[430.585126][T18133] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.585475][T18133] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[430.585817][T18133] ? __lock_release (kernel/locking/lockdep.c:5539) 
[430.586200][T18133] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.586536][T18133] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[430.586886][T18133] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.587227][T18133] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.587569][T18133] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[430.587933][T18133] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.588266][T18133] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[430.588625][T18133] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[430.588984][T18133] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[430.589316][T18133] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[430.589669][T18133] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[430.590029][T18133] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.590375][T18133] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[430.590727][T18133] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[430.591142][T18133] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[430.591691][T18133] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[430.592258][T18133] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[430.592837][T18133] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[430.593571][T18133] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[430.594188][T18133] ___sys_sendmsg (net/socket.c:2670) 
[430.594793][T18133] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[430.595344][T18133] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[430.595952][T18133] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.596527][T18133] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[430.597130][T18133] ? __handle_mm_fault (mm/memory.c:6212) 
[430.597716][T18133] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[430.598296][T18133] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[430.598951][T18133] __sys_sendmsg (net/socket.c:2700) 
[430.599559][T18133] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[430.600162][T18133] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[430.600779][T18133] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[430.601359][T18133] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[430.601964][T18133] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[430.602542][T18133] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  430.603293][T18133] RIP: 0033:0x7ff3d0cf11e7
[ 430.603913][T18133] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  430.606002][T18133] RSP: 002b:00007ffc543e7f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.606910][T18133] RAX: ffffffffffffffda RBX: 00007ffc543e86a0 RCX: 00007ff3d0cf11e7
[  430.607838][T18133] RDX: 0000000000000000 RSI: 00007ffc543e7fe0 RDI: 0000000000000005
[  430.608729][T18133] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  430.609591][T18133] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc543e86d8
[  430.610484][T18133] R13: 00000000686e6d24 R14: 0000000000499600 R15: 0000000000000000
| [  430.776707][T18134] ------------[ cut here ]------------
| [430.777069][T18134] WARNING: CPU: 2 PID: 18134 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  430.777879][T18134] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  430.779206][T18134] Tainted: [W]=WARN
[  430.779486][T18134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[430.779920][T18134] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 430.780272][T18134] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  430.781565][T18134] RSP: 0000:ffffc90006127080 EFLAGS: 00010246
[  430.782001][T18134] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  430.782506][T18134] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  430.783026][T18134] RBP: ffffc90006127168 R08: 0000000000000000 R09: 0000000000000000
[  430.783975][T18134] R10: ffffc90006127198 R11: ffffffff96ea8918 R12: 1ffff92000c24e14
[  430.784998][T18134] R13: 00000000000005dc R14: ffffc90006127198 R15: ffff88800c002f08
[  430.786022][T18134] FS:  00007fde3ba85800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  430.786757][T18134] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.787198][T18134] CR2: 00007f8bd133dc94 CR3: 0000000013d66004 CR4: 0000000000772ef0
[  430.787744][T18134] PKRU: 55555554
[  430.788013][T18134] Call Trace:
[  430.788286][T18134]  <TASK>
[430.788478][T18134] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[430.788877][T18134] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[430.789247][T18134] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[430.789711][T18134] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[430.790066][T18134] netif_set_mtu (net/core/dev.c:9652) 
[430.790427][T18134] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[430.790797][T18134] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[430.791282][T18134] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[430.791551][T18134] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[430.792034][T18134] br_add_if (net/bridge/br_if.c:697) bridge 
[430.792434][T18134] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[430.792800][T18134] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[430.793149][T18134] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[430.793498][T18134] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[430.793857][T18134] ? __dev_get_by_name (net/core/dev.c:865) 
[430.794211][T18134] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.794560][T18134] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[430.794935][T18134] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[430.795295][T18134] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.795673][T18134] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[430.796033][T18134] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[430.796388][T18134] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.796764][T18134] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[430.797110][T18134] ? __lock_release (kernel/locking/lockdep.c:5539) 
[430.797461][T18134] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[430.797821][T18134] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[430.798172][T18134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.798525][T18134] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.798906][T18134] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[430.799254][T18134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[430.799615][T18134] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[430.799990][T18134] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[430.800340][T18134] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[430.800705][T18134] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[430.801075][T18134] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[430.801434][T18134] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[430.801802][T18134] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[430.802152][T18134] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[430.802495][T18134] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[430.802862][T18134] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[430.803229][T18134] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[430.803596][T18134] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[430.804048][T18134] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[430.804442][T18134] ___sys_sendmsg (net/socket.c:2670) 
[430.804822][T18134] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[430.805188][T18134] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[430.805552][T18134] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[430.805924][T18134] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[430.806295][T18134] ? __handle_mm_fault (mm/memory.c:6212) 
[430.806668][T18134] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[430.807024][T18134] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[430.807407][T18134] __sys_sendmsg (net/socket.c:2700) 
[430.807778][T18134] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[430.808140][T18134] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[430.808508][T18134] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[430.808893][T18134] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[430.809269][T18134] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[430.809637][T18134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  430.810087][T18134] RIP: 0033:0x7fde3bc521e7
[ 430.810458][T18134] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  430.811962][T18134] RSP: 002b:00007ffc35efb738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.812520][T18134] RAX: ffffffffffffffda RBX: 00007ffc35efbe60 RCX: 00007fde3bc521e7
[  430.813065][T18134] RDX: 0000000000000000 RSI: 00007ffc35efb7a0 RDI: 0000000000000005
[  430.813606][T18134] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  430.814155][T18134] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc35efbe98
[  430.814696][T18134] R13: 00000000686e6d24 R14: 0000000000499600 R15: 0000000000000000
| [  430.990361][T18137] ------------[ cut here ]------------
| [430.990798][T18137] WARNING: CPU: 1 PID: 18137 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  430.991515][T18137] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  430.992902][T18137] Tainted: [W]=WARN
[  430.993171][T18137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[430.993566][T18137] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 430.994094][T18137] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  430.995432][T18137] RSP: 0018:ffffc90006117080 EFLAGS: 00010246
[  430.996001][T18137] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  430.996520][T18137] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  430.997175][T18137] RBP: ffffc90006117168 R08: 0000000000000000 R09: 0000000000000000
[  430.997713][T18137] R10: ffffc90006117198 R11: ffffffff96ea8918 R12: 1ffff92000c22e14
[  430.998186][T18137] R13: 00000000000005dc R14: ffffc90006117198 R15: ffff88800c002f08
[  430.998692][T18137] FS:  00007faa564f3800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  430.999304][T18137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.999747][T18137] CR2: 00007ffc1a9daf90 CR3: 000000001459d006 CR4: 0000000000772ef0
[  431.000270][T18137] PKRU: 55555554
[  431.000541][T18137] Call Trace:
[  431.000811][T18137]  <TASK>
[431.001002][T18137] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[431.001355][T18137] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[431.001726][T18137] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[431.002160][T18137] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[431.002518][T18137] netif_set_mtu (net/core/dev.c:9652) 
[431.002870][T18137] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[431.003223][T18137] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[431.003725][T18137] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[431.003997][T18137] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[431.004485][T18137] br_add_if (net/bridge/br_if.c:697) bridge 
[431.004905][T18137] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[431.005260][T18137] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[431.005609][T18137] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[431.005985][T18137] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[431.006341][T18137] ? __dev_get_by_name (net/core/dev.c:865) 
[431.006707][T18137] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.007056][T18137] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.007398][T18137] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[431.007779][T18137] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.008128][T18137] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[431.008467][T18137] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[431.008857][T18137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.009208][T18137] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[431.009539][T18137] ? __lock_release (kernel/locking/lockdep.c:5539) 
[431.009882][T18137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.010212][T18137] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[431.010542][T18137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.010939][T18137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.011304][T18137] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[431.011662][T18137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.012016][T18137] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[431.012385][T18137] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[431.012738][T18137] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[431.013085][T18137] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[431.013459][T18137] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[431.013815][T18137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.014177][T18137] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[431.014535][T18137] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[431.014874][T18137] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[431.015202][T18137] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[431.015540][T18137] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[431.015890][T18137] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[431.016304][T18137] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[431.016676][T18137] ___sys_sendmsg (net/socket.c:2670) 
[431.017004][T18137] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[431.017338][T18137] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[431.017687][T18137] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.018002][T18137] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[431.018338][T18137] ? __handle_mm_fault (mm/memory.c:6212) 
[431.018747][T18137] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[431.019063][T18137] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[431.019395][T18137] __sys_sendmsg (net/socket.c:2700) 
[431.019749][T18137] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[431.020066][T18137] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[431.020408][T18137] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[431.020758][T18137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[431.021090][T18137] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[431.021420][T18137] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  431.021838][T18137] RIP: 0033:0x7faa566c01e7
[ 431.022185][T18137] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  431.023352][T18137] RSP: 002b:00007ffe563ca7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  431.023841][T18137] RAX: ffffffffffffffda RBX: 00007ffe563caed0 RCX: 00007faa566c01e7
[  431.024347][T18137] RDX: 0000000000000000 RSI: 00007ffe563ca810 RDI: 0000000000000005
[  431.024854][T18137] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  431.025328][T18137] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe563caf08
[  431.025827][T18137] R13: 00000000686e6d24 R14: 0000000000499600 R15: 0000000000000000
| [  431.178835][T18138] ------------[ cut here ]------------
| [431.179166][T18138] WARNING: CPU: 0 PID: 18138 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  431.179834][T18138] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  431.181022][T18138] Tainted: [W]=WARN
[  431.181267][T18138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[431.181681][T18138] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 431.182015][T18138] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  431.183177][T18138] RSP: 0000:ffffc90006117080 EFLAGS: 00010246
[  431.183591][T18138] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  431.184102][T18138] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  431.184596][T18138] RBP: ffffc90006117168 R08: 0000000000000000 R09: 0000000000000000
[  431.185096][T18138] R10: ffffc90006117198 R11: ffffffff96ea8918 R12: 1ffff92000c22e14
[  431.185581][T18138] R13: 00000000000005dc R14: ffffc90006117198 R15: ffff88800c002f08
[  431.186080][T18138] FS:  00007fe81ee38800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  431.186655][T18138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.187066][T18138] CR2: 00007f8bd0f55430 CR3: 000000000f3bc003 CR4: 0000000000772ef0
[  431.187560][T18138] PKRU: 55555554
[  431.187813][T18138] Call Trace:
[  431.188055][T18138]  <TASK>
[431.188226][T18138] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[431.188567][T18138] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[431.189059][T18138] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[431.189465][T18138] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[431.189864][T18138] netif_set_mtu (net/core/dev.c:9652) 
[431.190189][T18138] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[431.190526][T18138] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[431.190983][T18138] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[431.191228][T18138] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[431.191680][T18138] br_add_if (net/bridge/br_if.c:697) bridge 
[431.192056][T18138] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[431.192380][T18138] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[431.192721][T18138] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[431.193050][T18138] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[431.193367][T18138] ? __dev_get_by_name (net/core/dev.c:865) 
[431.193707][T18138] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.194033][T18138] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.194362][T18138] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[431.194705][T18138] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.195036][T18138] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[431.195369][T18138] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[431.195712][T18138] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.196048][T18138] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[431.196371][T18138] ? __lock_release (kernel/locking/lockdep.c:5539) 
[431.196705][T18138] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.197033][T18138] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[431.197371][T18138] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.197719][T18138] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.198052][T18138] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[431.198377][T18138] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.198727][T18138] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[431.199068][T18138] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[431.199394][T18138] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[431.199736][T18138] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[431.200074][T18138] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[431.200432][T18138] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.200779][T18138] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[431.201113][T18138] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[431.201439][T18138] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[431.201777][T18138] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[431.202111][T18138] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[431.202437][T18138] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[431.202879][T18138] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[431.203215][T18138] ___sys_sendmsg (net/socket.c:2670) 
[431.203550][T18138] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[431.203908][T18138] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[431.204239][T18138] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.204560][T18138] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[431.204896][T18138] ? __handle_mm_fault (mm/memory.c:6212) 
[431.205234][T18138] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[431.205551][T18138] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[431.205911][T18138] __sys_sendmsg (net/socket.c:2700) 
[431.206247][T18138] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[431.206579][T18138] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[431.206937][T18138] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[431.207264][T18138] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[431.207606][T18138] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[431.207950][T18138] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  431.208362][T18138] RIP: 0033:0x7fe81f0051e7
[ 431.208735][T18138] Code: Unable to access opcode bytes at 0x7fe81f0051bd.

Code starting with the faulting instruction
===========================================
[  431.209164][T18138] RSP: 002b:00007ffc1ae97888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  431.209674][T18138] RAX: ffffffffffffffda RBX: 00007ffc1ae97fb0 RCX: 00007fe81f0051e7
[  431.210159][T18138] RDX: 0000000000000000 RSI: 00007ffc1ae978f0 RDI: 0000000000000005
[  431.210657][T18138] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  431.211166][T18138] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc1ae97fe8
[  431.211709][T18138] R13: 00000000686e6d24 R14: 0000000000499600 R15: 0000000000000000
| [  431.371955][T18140] ------------[ cut here ]------------
| [431.372310][T18140] WARNING: CPU: 0 PID: 18140 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  431.373038][T18140] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  431.374212][T18140] Tainted: [W]=WARN
[  431.374459][T18140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[431.374868][T18140] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 431.375200][T18140] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  431.376369][T18140] RSP: 0018:ffffc9000ae67080 EFLAGS: 00010246
[  431.376783][T18140] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  431.377307][T18140] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  431.377804][T18140] RBP: ffffc9000ae67168 R08: 0000000000000000 R09: 0000000000000000
[  431.378296][T18140] R10: ffffc9000ae67198 R11: ffffffff96ea8918 R12: 1ffff920015cce14
[  431.378816][T18140] R13: 00000000000005dc R14: ffffc9000ae67198 R15: ffff88800c002f08
[  431.379314][T18140] FS:  00007f792ea46800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  431.379888][T18140] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.380300][T18140] CR2: 00000000004a1738 CR3: 000000000ca69005 CR4: 0000000000772ef0
[  431.380830][T18140] PKRU: 55555554
[  431.381080][T18140] Call Trace:
[  431.381331][T18140]  <TASK>
[431.381500][T18140] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[431.381845][T18140] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[431.382174][T18140] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[431.382610][T18140] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[431.382946][T18140] netif_set_mtu (net/core/dev.c:9652) 
[431.383273][T18140] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[431.383619][T18140] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[431.384104][T18140] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[431.384350][T18140] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[431.384803][T18140] br_add_if (net/bridge/br_if.c:697) bridge 
[431.385187][T18140] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[431.385528][T18140] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[431.385880][T18140] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[431.386209][T18140] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[431.386527][T18140] ? __dev_get_by_name (net/core/dev.c:865) 
[431.386878][T18140] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.387242][T18140] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.387582][T18140] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[431.387932][T18140] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.388262][T18140] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[431.388618][T18140] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[431.388961][T18140] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.389306][T18140] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[431.389644][T18140] ? __lock_release (kernel/locking/lockdep.c:5539) 
[431.389990][T18140] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.390311][T18140] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[431.390638][T18140] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.390975][T18140] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.391311][T18140] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[431.391641][T18140] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.391984][T18140] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[431.392388][T18140] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[431.392721][T18140] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[431.393042][T18140] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[431.393364][T18140] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[431.393689][T18140] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.394014][T18140] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[431.394339][T18140] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[431.394670][T18140] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[431.395002][T18140] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[431.395324][T18140] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[431.395661][T18140] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[431.396068][T18140] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[431.396392][T18140] ___sys_sendmsg (net/socket.c:2670) 
[431.396723][T18140] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[431.397042][T18140] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[431.397398][T18140] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.397738][T18140] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[431.398065][T18140] ? __handle_mm_fault (mm/memory.c:6212) 
[431.398388][T18140] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[431.398729][T18140] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[431.399063][T18140] __sys_sendmsg (net/socket.c:2700) 
[431.399380][T18140] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[431.399701][T18140] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[431.400038][T18140] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[431.400366][T18140] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[431.400709][T18140] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[431.401033][T18140] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  431.401487][T18140] RIP: 0033:0x7f792ec131e7
[ 431.401836][T18140] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  431.403030][T18140] RSP: 002b:00007fff2fca6118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  431.403522][T18140] RAX: ffffffffffffffda RBX: 00007fff2fca6840 RCX: 00007f792ec131e7
[  431.404027][T18140] RDX: 0000000000000000 RSI: 00007fff2fca6180 RDI: 0000000000000005
[  431.404516][T18140] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  431.405033][T18140] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff2fca6878
[  431.405548][T18140] R13: 00000000686e6d25 R14: 0000000000499600 R15: 0000000000000000
| [  431.596886][T18142] ------------[ cut here ]------------
| [431.597236][T18142] WARNING: CPU: 0 PID: 18142 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  431.597966][T18142] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  431.599210][T18142] Tainted: [W]=WARN
[  431.599468][T18142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[431.599915][T18142] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 431.600264][T18142] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  431.601440][T18142] RSP: 0018:ffffc9000ae57080 EFLAGS: 00010246
[  431.601863][T18142] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  431.602357][T18142] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  431.602870][T18142] RBP: ffffc9000ae57168 R08: 0000000000000000 R09: 0000000000000000
[  431.603381][T18142] R10: ffffc9000ae57198 R11: ffffffff96ea8918 R12: 1ffff920015cae14
[  431.603896][T18142] R13: 00000000000005dc R14: ffffc9000ae57198 R15: ffff88800c002f08
[  431.604402][T18142] FS:  00007fb83e5b1800(0000) GS:ffff88809e0b7000(0000) knlGS:0000000000000000
[  431.605005][T18142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.605429][T18142] CR2: 00000000004a1738 CR3: 000000000f2d2004 CR4: 0000000000772ef0
[  431.605930][T18142] PKRU: 55555554
[  431.606174][T18142] Call Trace:
[  431.606433][T18142]  <TASK>
[431.606607][T18142] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[431.606955][T18142] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[431.607291][T18142] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[431.607754][T18142] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[431.608125][T18142] netif_set_mtu (net/core/dev.c:9652) 
[431.608469][T18142] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[431.608853][T18142] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[431.609333][T18142] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[431.609595][T18142] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[431.610068][T18142] br_add_if (net/bridge/br_if.c:697) bridge 
[431.610446][T18142] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[431.610795][T18142] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[431.611137][T18142] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[431.611480][T18142] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[431.611853][T18142] ? __dev_get_by_name (net/core/dev.c:865) 
[431.612182][T18142] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.612506][T18142] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.612846][T18142] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[431.613178][T18142] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.613514][T18142] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[431.613890][T18142] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[431.614219][T18142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.614568][T18142] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[431.614905][T18142] ? __lock_release (kernel/locking/lockdep.c:5539) 
[431.615242][T18142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.615573][T18142] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[431.615944][T18142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.616272][T18142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.616600][T18142] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[431.616931][T18142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.617260][T18142] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[431.617605][T18142] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[431.617946][T18142] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[431.618306][T18142] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[431.618658][T18142] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[431.618998][T18142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.619353][T18142] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[431.619698][T18142] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[431.620044][T18142] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[431.620388][T18142] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[431.620727][T18142] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[431.621048][T18142] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[431.621458][T18142] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[431.621818][T18142] ___sys_sendmsg (net/socket.c:2670) 
[431.622151][T18142] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[431.622485][T18142] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[431.622839][T18142] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.623212][T18142] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[431.623559][T18142] ? __handle_mm_fault (mm/memory.c:6212) 
[431.623934][T18142] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[431.624271][T18142] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[431.624619][T18142] __sys_sendmsg (net/socket.c:2700) 
[431.624969][T18142] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[431.625309][T18142] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[431.625662][T18142] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[431.626016][T18142] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[431.626358][T18142] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[431.626726][T18142] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  431.627179][T18142] RIP: 0033:0x7fb83e77e1e7
[ 431.627531][T18142] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  431.628793][T18142] RSP: 002b:00007ffce4fb0d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  431.629311][T18142] RAX: ffffffffffffffda RBX: 00007ffce4fb1480 RCX: 00007fb83e77e1e7
[  431.629819][T18142] RDX: 0000000000000000 RSI: 00007ffce4fb0dc0 RDI: 0000000000000005
[  431.630318][T18142] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  431.630824][T18142] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffce4fb14b8
[  431.631329][T18142] R13: 00000000686e6d25 R14: 0000000000499600 R15: 0000000000000000
| [  431.811673][T18144] ------------[ cut here ]------------
| [431.812021][T18144] WARNING: CPU: 2 PID: 18144 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  431.812786][T18144] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  431.814043][T18144] Tainted: [W]=WARN
[  431.814306][T18144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[431.814746][T18144] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 431.815110][T18144] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  431.816311][T18144] RSP: 0000:ffffc9000aec7080 EFLAGS: 00010246
[  431.816755][T18144] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  431.817270][T18144] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  431.817799][T18144] RBP: ffffc9000aec7168 R08: 0000000000000000 R09: 0000000000000000
[  431.818322][T18144] R10: ffffc9000aec7198 R11: ffffffff96ea8918 R12: 1ffff920015d8e14
[  431.818865][T18144] R13: 00000000000005dc R14: ffffc9000aec7198 R15: ffff88800c002f08
[  431.819380][T18144] FS:  00007fcdf8035800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  431.819988][T18144] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.820430][T18144] CR2: 00007f8bd1327a9c CR3: 000000000ca25002 CR4: 0000000000772ef0
[  431.820947][T18144] PKRU: 55555554
[  431.821231][T18144] Call Trace:
[  431.821497][T18144]  <TASK>
[431.821692][T18144] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[431.822047][T18144] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[431.822405][T18144] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[431.822849][T18144] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[431.823205][T18144] netif_set_mtu (net/core/dev.c:9652) 
[431.823555][T18144] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[431.823926][T18144] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[431.824413][T18144] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[431.824696][T18144] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[431.825171][T18144] br_add_if (net/bridge/br_if.c:697) bridge 
[431.825571][T18144] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[431.825939][T18144] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[431.826295][T18144] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[431.826688][T18144] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[431.827039][T18144] ? __dev_get_by_name (net/core/dev.c:865) 
[431.827404][T18144] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.827822][T18144] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[431.828173][T18144] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[431.828515][T18144] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.828895][T18144] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[431.829262][T18144] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[431.829632][T18144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.830011][T18144] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[431.830364][T18144] ? __lock_release (kernel/locking/lockdep.c:5539) 
[431.830726][T18144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[431.831074][T18144] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[431.831428][T18144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.831791][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.832149][T18144] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[431.832518][T18144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[431.832888][T18144] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[431.833262][T18144] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[431.833625][T18144] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[431.834000][T18144] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[431.834350][T18144] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[431.834705][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[431.835061][T18144] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[431.835414][T18144] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[431.835775][T18144] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[431.836129][T18144] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[431.836489][T18144] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[431.836840][T18144] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[431.837274][T18144] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[431.837637][T18144] ___sys_sendmsg (net/socket.c:2670) 
[431.837996][T18144] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[431.838343][T18144] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[431.838721][T18144] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[431.839076][T18144] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[431.839429][T18144] ? __handle_mm_fault (mm/memory.c:6212) 
[431.839796][T18144] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[431.840141][T18144] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[431.840511][T18144] __sys_sendmsg (net/socket.c:2700) 
[431.840873][T18144] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[431.841223][T18144] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[431.841579][T18144] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[431.841940][T18144] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[431.842291][T18144] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[431.842661][T18144] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  431.843123][T18144] RIP: 0033:0x7fcdf82021e7
[ 431.843493][T18144] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  431.844726][T18144] RSP: 002b:00007ffdb4f12d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  431.845247][T18144] RAX: ffffffffffffffda RBX: 00007ffdb4f13460 RCX: 00007fcdf82021e7
[  431.845774][T18144] RDX: 0000000000000000 RSI: 00007ffdb4f12da0 RDI: 0000000000000005
[  431.846301][T18144] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  431.846821][T18144] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb4f13498
[  431.847341][T18144] R13: 00000000686e6d25 R14: 0000000000499600 R15: 0000000000000000
| [  432.032986][T18146] ------------[ cut here ]------------
| [432.033377][T18146] WARNING: CPU: 1 PID: 18146 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  432.034239][T18146] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  432.035590][T18146] Tainted: [W]=WARN
[  432.035986][T18146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[432.036403][T18146] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 432.036909][T18146] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  432.038088][T18146] RSP: 0018:ffffc90002237080 EFLAGS: 00010246
[  432.038535][T18146] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  432.039052][T18146] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  432.039545][T18146] RBP: ffffc90002237168 R08: 0000000000000000 R09: 0000000000000000
[  432.040074][T18146] R10: ffffc90002237198 R11: ffffffff96ea8918 R12: 1ffff92000446e14
[  432.040568][T18146] R13: 00000000000005dc R14: ffffc90002237198 R15: ffff88800c002f08
[  432.041092][T18146] FS:  00007f9fbff3f800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  432.041708][T18146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  432.042110][T18146] CR2: 00007f8bd11a6b30 CR3: 0000000004cb6006 CR4: 0000000000772ef0
[  432.042613][T18146] PKRU: 55555554
[  432.043005][T18146] Call Trace:
[  432.043255][T18146]  <TASK>
[432.043438][T18146] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[432.043793][T18146] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[432.044115][T18146] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[432.044530][T18146] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[432.044899][T18146] netif_set_mtu (net/core/dev.c:9652) 
[432.045226][T18146] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[432.045580][T18146] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[432.046080][T18146] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[432.046325][T18146] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[432.046815][T18146] br_add_if (net/bridge/br_if.c:697) bridge 
[432.047183][T18146] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[432.047527][T18146] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[432.047893][T18146] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[432.048226][T18146] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[432.048573][T18146] ? __dev_get_by_name (net/core/dev.c:865) 
[432.048931][T18146] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.049252][T18146] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.049584][T18146] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[432.049928][T18146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.050259][T18146] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[432.050608][T18146] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[432.050977][T18146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.051314][T18146] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[432.051687][T18146] ? __lock_release (kernel/locking/lockdep.c:5539) 
[432.052020][T18146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.052341][T18146] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[432.052688][T18146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.053013][T18146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.053345][T18146] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[432.053690][T18146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.054031][T18146] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[432.054361][T18146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[432.054696][T18146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[432.055028][T18146] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[432.055347][T18146] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[432.055672][T18146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.056009][T18146] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[432.056329][T18146] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[432.056662][T18146] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[432.057022][T18146] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[432.057352][T18146] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[432.057681][T18146] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[432.058095][T18146] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[432.058421][T18146] ___sys_sendmsg (net/socket.c:2670) 
[432.058765][T18146] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[432.059100][T18146] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[432.059427][T18146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.059760][T18146] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[432.060115][T18146] ? __handle_mm_fault (mm/memory.c:6212) 
[432.060433][T18146] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[432.060762][T18146] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[432.061112][T18146] __sys_sendmsg (net/socket.c:2700) 
[432.061439][T18146] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[432.061774][T18146] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[432.062124][T18146] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[432.062451][T18146] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[432.062787][T18146] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[432.063120][T18146] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  432.063515][T18146] RIP: 0033:0x7f9fc010c1e7
[ 432.063860][T18146] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  432.065045][T18146] RSP: 002b:00007ffe175c4d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  432.065528][T18146] RAX: ffffffffffffffda RBX: 00007ffe175c54b0 RCX: 00007f9fc010c1e7
[  432.066023][T18146] RDX: 0000000000000000 RSI: 00007ffe175c4df0 RDI: 0000000000000005
[  432.066537][T18146] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  432.067027][T18146] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe175c54e8
[  432.067533][T18146] R13: 00000000686e6d25 R14: 0000000000499600 R15: 0000000000000000
| [  432.246149][T18148] ------------[ cut here ]------------
| [432.246494][T18148] WARNING: CPU: 3 PID: 18148 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  432.247243][T18148] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  432.248491][T18148] Tainted: [W]=WARN
[  432.248763][T18148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[432.249165][T18148] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 432.249492][T18148] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  432.250659][T18148] RSP: 0000:ffffc9000aec7080 EFLAGS: 00010246
[  432.251107][T18148] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  432.251618][T18148] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  432.252126][T18148] RBP: ffffc9000aec7168 R08: 0000000000000000 R09: 0000000000000000
[  432.252623][T18148] R10: ffffc9000aec7198 R11: ffffffff96ea8918 R12: 1ffff920015d8e14
[  432.253130][T18148] R13: 00000000000005dc R14: ffffc9000aec7198 R15: ffff88800c002f08
[  432.253634][T18148] FS:  00007f66db396800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  432.254208][T18148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  432.254616][T18148] CR2: 00007f8bd12ace80 CR3: 000000000a79c005 CR4: 0000000000772ef0
[  432.255106][T18148] PKRU: 55555554
[  432.255345][T18148] Call Trace:
[  432.255589][T18148]  <TASK>
[432.255763][T18148] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[432.256092][T18148] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[432.256419][T18148] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[432.256834][T18148] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[432.257161][T18148] netif_set_mtu (net/core/dev.c:9652) 
[432.257479][T18148] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[432.257833][T18148] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[432.258285][T18148] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[432.258531][T18148] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[432.259025][T18148] br_add_if (net/bridge/br_if.c:697) bridge 
[432.259402][T18148] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[432.259739][T18148] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[432.260074][T18148] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[432.260399][T18148] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[432.260792][T18148] ? __dev_get_by_name (net/core/dev.c:865) 
[432.261153][T18148] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.261493][T18148] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.261851][T18148] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[432.262201][T18148] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.262553][T18148] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[432.262913][T18148] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[432.263255][T18148] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.263615][T18148] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[432.263961][T18148] ? __lock_release (kernel/locking/lockdep.c:5539) 
[432.264310][T18148] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.264659][T18148] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[432.265003][T18148] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.265348][T18148] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.265698][T18148] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[432.266058][T18148] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.266400][T18148] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[432.266808][T18148] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[432.267176][T18148] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[432.267513][T18148] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[432.267862][T18148] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[432.268243][T18148] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.268609][T18148] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[432.269020][T18148] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[432.269360][T18148] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[432.269709][T18148] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[432.270050][T18148] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[432.270380][T18148] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[432.270801][T18148] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[432.271157][T18148] ___sys_sendmsg (net/socket.c:2670) 
[432.271492][T18148] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[432.271832][T18148] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[432.272167][T18148] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.272495][T18148] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[432.272836][T18148] ? __handle_mm_fault (mm/memory.c:6212) 
[432.273169][T18148] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[432.273501][T18148] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[432.273851][T18148] __sys_sendmsg (net/socket.c:2700) 
[432.274184][T18148] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[432.274512][T18148] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[432.274856][T18148] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[432.275189][T18148] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[432.275528][T18148] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[432.275886][T18148] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  432.276303][T18148] RIP: 0033:0x7f66db5631e7
[ 432.276661][T18148] Code: Unable to access opcode bytes at 0x7f66db5631bd.

Code starting with the faulting instruction
===========================================
[  432.277070][T18148] RSP: 002b:00007fff16ad0278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  432.277540][T18148] RAX: ffffffffffffffda RBX: 00007fff16ad09a0 RCX: 00007f66db5631e7
[  432.278023][T18148] RDX: 0000000000000000 RSI: 00007fff16ad02e0 RDI: 0000000000000005
[  432.278493][T18148] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  432.278985][T18148] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff16ad09d8
[  432.279455][T18148] R13: 00000000686e6d25 R14: 0000000000499600 R15: 0000000000000000
| [  432.456025][T18150] ------------[ cut here ]------------
| [432.456370][T18150] WARNING: CPU: 3 PID: 18150 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  432.457129][T18150] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  432.458350][T18150] Tainted: [W]=WARN
[  432.458621][T18150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[432.459080][T18150] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 432.459457][T18150] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  432.460714][T18150] RSP: 0018:ffffc90006107080 EFLAGS: 00010246
[  432.461187][T18150] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  432.461750][T18150] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  432.462251][T18150] RBP: ffffc90006107168 R08: 0000000000000000 R09: 0000000000000000
[  432.462795][T18150] R10: ffffc90006107198 R11: ffffffff96ea8918 R12: 1ffff92000c20e14
[  432.463342][T18150] R13: 00000000000005dc R14: ffffc90006107198 R15: ffff88800c002f08
[  432.463888][T18150] FS:  00007fa0b6a4e800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  432.464531][T18150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  432.465001][T18150] CR2: 00000000004a1738 CR3: 0000000014b6e003 CR4: 0000000000772ef0
[  432.465535][T18150] PKRU: 55555554
[  432.465827][T18150] Call Trace:
[  432.466087][T18150]  <TASK>
[432.466260][T18150] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[432.466613][T18150] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[432.466959][T18150] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[432.467405][T18150] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[432.467751][T18150] netif_set_mtu (net/core/dev.c:9652) 
[432.468101][T18150] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[432.468454][T18150] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[432.468975][T18150] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[432.469255][T18150] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[432.469758][T18150] br_add_if (net/bridge/br_if.c:697) bridge 
[432.470170][T18150] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[432.470511][T18150] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[432.470884][T18150] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[432.471223][T18150] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[432.471569][T18150] ? __dev_get_by_name (net/core/dev.c:865) 
[432.471911][T18150] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.472254][T18150] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.472614][T18150] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[432.472977][T18150] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.473336][T18150] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[432.473693][T18150] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[432.474046][T18150] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.474392][T18150] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[432.474728][T18150] ? __lock_release (kernel/locking/lockdep.c:5539) 
[432.475083][T18150] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.475457][T18150] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[432.475838][T18150] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.476193][T18150] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.476536][T18150] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[432.476889][T18150] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.477242][T18150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[432.477601][T18150] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[432.477952][T18150] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[432.478290][T18150] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[432.478643][T18150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[432.479006][T18150] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.479359][T18150] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[432.479709][T18150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[432.480066][T18150] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[432.480411][T18150] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[432.480761][T18150] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[432.481095][T18150] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[432.481518][T18150] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[432.481888][T18150] ___sys_sendmsg (net/socket.c:2670) 
[432.482240][T18150] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[432.482575][T18150] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[432.482919][T18150] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.483262][T18150] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[432.483601][T18150] ? __handle_mm_fault (mm/memory.c:6212) 
[432.483949][T18150] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[432.484299][T18150] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[432.484669][T18150] __sys_sendmsg (net/socket.c:2700) 
[432.485012][T18150] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[432.485345][T18150] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[432.485695][T18150] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[432.486043][T18150] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[432.486401][T18150] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[432.486757][T18150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  432.487201][T18150] RIP: 0033:0x7fa0b6c1b1e7
[ 432.487560][T18150] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  432.488793][T18150] RSP: 002b:00007fff4b0d9658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  432.489306][T18150] RAX: ffffffffffffffda RBX: 00007fff4b0d9d80 RCX: 00007fa0b6c1b1e7
[  432.489833][T18150] RDX: 0000000000000000 RSI: 00007fff4b0d96c0 RDI: 0000000000000005
[  432.490381][T18150] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  432.490937][T18150] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff4b0d9db8
[  432.491464][T18150] R13: 00000000686e6d26 R14: 0000000000499600 R15: 0000000000000000
| [  432.640185][T18152] ------------[ cut here ]------------
| [432.640528][T18152] WARNING: CPU: 2 PID: 18152 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  432.641291][T18152] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  432.642510][T18152] Tainted: [W]=WARN
[  432.642789][T18152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[432.643249][T18152] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 432.643640][T18152] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  432.644895][T18152] RSP: 0018:ffffc9000ae47080 EFLAGS: 00010246
[  432.645354][T18152] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  432.645920][T18152] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  432.646498][T18152] RBP: ffffc9000ae47168 R08: 0000000000000000 R09: 0000000000000000
[  432.647081][T18152] R10: ffffc9000ae47198 R11: ffffffff96ea8918 R12: 1ffff920015c8e14
[  432.647611][T18152] R13: 00000000000005dc R14: ffffc9000ae47198 R15: ffff88800c002f08
[  432.648146][T18152] FS:  00007f3f921a2800(0000) GS:ffff88809e1b7000(0000) knlGS:0000000000000000
[  432.648800][T18152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  432.649253][T18152] CR2: 00000000004a1738 CR3: 0000000012dc7002 CR4: 0000000000772ef0
[  432.649764][T18152] PKRU: 55555554
[  432.650031][T18152] Call Trace:
[  432.650332][T18152]  <TASK>
[432.650537][T18152] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[432.650890][T18152] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[432.651250][T18152] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[432.651672][T18152] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[432.652021][T18152] netif_set_mtu (net/core/dev.c:9652) 
[432.652359][T18152] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[432.652711][T18152] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[432.653188][T18152] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[432.653442][T18152] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[432.653902][T18152] br_add_if (net/bridge/br_if.c:697) bridge 
[432.654297][T18152] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[432.654660][T18152] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[432.655002][T18152] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[432.655357][T18152] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[432.655703][T18152] ? __dev_get_by_name (net/core/dev.c:865) 
[432.656041][T18152] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.656381][T18152] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.656736][T18152] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[432.657080][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.657450][T18152] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[432.657820][T18152] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[432.658190][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.658540][T18152] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[432.658901][T18152] ? __lock_release (kernel/locking/lockdep.c:5539) 
[432.659259][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.659603][T18152] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[432.659966][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.660309][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.660682][T18152] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[432.661020][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.661360][T18152] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[432.661730][T18152] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[432.662064][T18152] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[432.662395][T18152] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[432.662742][T18152] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[432.663070][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.663443][T18152] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[432.663814][T18152] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[432.664159][T18152] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[432.664536][T18152] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[432.664910][T18152] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[432.665254][T18152] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[432.665680][T18152] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[432.666056][T18152] ___sys_sendmsg (net/socket.c:2670) 
[432.666403][T18152] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[432.666779][T18152] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[432.667144][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.667504][T18152] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[432.667872][T18152] ? __handle_mm_fault (mm/memory.c:6212) 
[432.668299][T18152] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[432.668683][T18152] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[432.669056][T18152] __sys_sendmsg (net/socket.c:2700) 
[432.669412][T18152] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[432.669764][T18152] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[432.670130][T18152] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[432.670497][T18152] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[432.670877][T18152] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[432.671238][T18152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  432.671681][T18152] RIP: 0033:0x7f3f9236f1e7
[ 432.672040][T18152] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  432.673229][T18152] RSP: 002b:00007ffcecf9a1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  432.673725][T18152] RAX: ffffffffffffffda RBX: 00007ffcecf9a900 RCX: 00007f3f9236f1e7
[  432.674253][T18152] RDX: 0000000000000000 RSI: 00007ffcecf9a240 RDI: 0000000000000005
[  432.674746][T18152] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  432.675247][T18152] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcecf9a938
[  432.675741][T18152] R13: 00000000686e6d26 R14: 0000000000499600 R15: 0000000000000000
| [  432.861530][T18154] ------------[ cut here ]------------
| [432.861973][T18154] WARNING: CPU: 3 PID: 18154 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  432.862674][T18154] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  432.863882][T18154] Tainted: [W]=WARN
[  432.864146][T18154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[432.864580][T18154] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 432.864936][T18154] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  432.866175][T18154] RSP: 0018:ffffc90006137080 EFLAGS: 00010246
[  432.866605][T18154] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  432.867124][T18154] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  432.867635][T18154] RBP: ffffc90006137168 R08: 0000000000000000 R09: 0000000000000000
[  432.868163][T18154] R10: ffffc90006137198 R11: ffffffff96ea8918 R12: 1ffff92000c26e14
[  432.868669][T18154] R13: 00000000000005dc R14: ffffc90006137198 R15: ffff88800c002f08
[  432.869189][T18154] FS:  00007f52c5259800(0000) GS:ffff88809e237000(0000) knlGS:0000000000000000
[  432.869761][T18154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  432.870160][T18154] CR2: 00007f8bd0ea37b0 CR3: 0000000013d1c002 CR4: 0000000000772ef0
[  432.870684][T18154] PKRU: 55555554
[  432.870937][T18154] Call Trace:
[  432.871188][T18154]  <TASK>
[432.871360][T18154] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[432.871712][T18154] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[432.872033][T18154] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[432.872454][T18154] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[432.872780][T18154] netif_set_mtu (net/core/dev.c:9652) 
[432.873116][T18154] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[432.873444][T18154] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[432.873904][T18154] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[432.874154][T18154] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[432.874595][T18154] br_add_if (net/bridge/br_if.c:697) bridge 
[432.874977][T18154] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[432.875304][T18154] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[432.875643][T18154] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[432.875986][T18154] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[432.876317][T18154] ? __dev_get_by_name (net/core/dev.c:865) 
[432.876667][T18154] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.877010][T18154] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[432.877338][T18154] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[432.877670][T18154] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.878017][T18154] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[432.878356][T18154] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[432.878705][T18154] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.879057][T18154] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[432.879375][T18154] ? __lock_release (kernel/locking/lockdep.c:5539) 
[432.879722][T18154] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[432.880050][T18154] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[432.880373][T18154] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.880716][T18154] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.881046][T18154] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[432.881361][T18154] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[432.881697][T18154] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[432.882029][T18154] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[432.882345][T18154] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[432.882675][T18154] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[432.883003][T18154] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[432.883317][T18154] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[432.883641][T18154] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[432.883996][T18154] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[432.884336][T18154] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[432.884719][T18154] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[432.885048][T18154] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[432.885372][T18154] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[432.885781][T18154] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[432.886107][T18154] ___sys_sendmsg (net/socket.c:2670) 
[432.886424][T18154] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[432.886779][T18154] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[432.887118][T18154] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[432.887435][T18154] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[432.887769][T18154] ? __handle_mm_fault (mm/memory.c:6212) 
[432.888142][T18154] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[432.888469][T18154] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[432.888863][T18154] __sys_sendmsg (net/socket.c:2700) 
[432.889195][T18154] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[432.889531][T18154] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[432.889873][T18154] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[432.890222][T18154] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[432.890786][T18154] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[432.891111][T18154] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  432.892014][T18154] RIP: 0033:0x7f52c54261e7
[ 432.892338][T18154] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  432.894030][T18154] RSP: 002b:00007ffd2615c688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  432.894532][T18154] RAX: ffffffffffffffda RBX: 00007ffd2615cdb0 RCX: 00007f52c54261e7
[  432.895275][T18154] RDX: 0000000000000000 RSI: 00007ffd2615c6f0 RDI: 0000000000000005
[  432.895804][T18154] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  432.896310][T18154] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd2615cde8
[  432.897528][T18154] R13: 00000000686e6d26 R14: 0000000000499600 R15: 0000000000000000
| [  433.121375][T18157] ------------[ cut here ]------------
| [433.121839][T18157] WARNING: CPU: 1 PID: 18157 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  433.122572][T18157] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth
| [  433.124178][T18157] Tainted: [W]=WARN
[  433.124436][T18157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[433.125029][T18157] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 433.125579][T18157] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  433.126967][T18157] RSP: 0018:ffffc900060e7080 EFLAGS: 00010246
[  433.127417][T18157] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[  433.128081][T18157] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  433.128598][T18157] RBP: ffffc900060e7168 R08: 0000000000000000 R09: 0000000000000000
[  433.129219][T18157] R10: ffffc900060e7198 R11: ffffffff96ea8918 R12: 1ffff92000c1ce14
[  433.129717][T18157] R13: 00000000000005dc R14: ffffc900060e7198 R15: ffff88800c002f08
[  433.130248][T18157] FS:  00007f348e373800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  433.130862][T18157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  433.131260][T18157] CR2: 00000000004a1738 CR3: 0000000014440001 CR4: 0000000000772ef0
[  433.131762][T18157] PKRU: 55555554
[  433.132003][T18157] Call Trace:
[  433.132244][T18157]  <TASK>
[433.132412][T18157] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[433.132807][T18157] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[433.133139][T18157] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[433.133538][T18157] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[433.133879][T18157] netif_set_mtu (net/core/dev.c:9652) 
[433.134217][T18157] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[433.134559][T18157] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[433.135037][T18157] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[433.135287][T18157] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[433.135740][T18157] br_add_if (net/bridge/br_if.c:697) bridge 
[433.136113][T18157] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[433.136438][T18157] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[433.136784][T18157] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[433.137111][T18157] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[433.137438][T18157] ? __dev_get_by_name (net/core/dev.c:865) 
[433.137783][T18157] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[433.138112][T18157] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[433.138441][T18157] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[433.138792][T18157] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[433.139118][T18157] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[433.139461][T18157] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[433.139830][T18157] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.140178][T18157] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[433.140512][T18157] ? __lock_release (kernel/locking/lockdep.c:5539) 
[433.140867][T18157] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[433.141185][T18157] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[433.141510][T18157] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.141846][T18157] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.142174][T18157] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[433.142496][T18157] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[433.142829][T18157] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[433.143171][T18157] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[433.143497][T18157] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[433.143841][T18157] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[433.144166][T18157] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[433.144483][T18157] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[433.144834][T18157] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[433.145165][T18157] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[433.145491][T18157] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[433.145834][T18157] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[433.146176][T18157] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[433.146497][T18157] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[433.146916][T18157] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[433.147244][T18157] ___sys_sendmsg (net/socket.c:2670) 
[433.147568][T18157] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[433.147898][T18157] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[433.148225][T18157] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[433.148557][T18157] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[433.148911][T18157] ? __handle_mm_fault (mm/memory.c:6212) 
[433.149228][T18157] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[433.149549][T18157] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[433.149897][T18157] __sys_sendmsg (net/socket.c:2700) 
[433.150227][T18157] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[433.150546][T18157] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[433.150882][T18157] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[433.151215][T18157] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[433.151541][T18157] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[433.151870][T18157] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  433.152269][T18157] RIP: 0033:0x7f348e5401e7
[ 433.152608][T18157] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  433.153807][T18157] RSP: 002b:00007ffec4d33f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  433.154302][T18157] RAX: ffffffffffffffda RBX: 00007ffec4d34660 RCX: 00007f348e5401e7
[  433.154798][T18157] RDX: 0000000000000000 RSI: 00007ffec4d33fa0 RDI: 0000000000000005
[  433.155273][T18157] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668
[  433.155760][T18157] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffec4d34698
[  433.156241][T18157] R13: 00000000686e6d26 R14: 0000000000499600 R15: 0000000000000000
| [  747.220190][ T2927] ------------[ cut here ]------------
| [ 747.220511][ T2927] WARNING: CPU: 1 PID: 2927 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  747.221128][ T2927] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth
| [  747.222318][ T2927] Tainted: [W]=WARN
[  747.222550][ T2927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 747.222943][ T2927] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 747.223259][ T2927] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  747.224374][ T2927] RSP: 0018:ffffc90001646f70 EFLAGS: 00010246
[  747.225983][ T2927] RAX: 0000000000000000 RBX: ffff88800e612000 RCX: 0000000000000001
[  747.226442][ T2927] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  747.226901][ T2927] RBP: ffffc90001647058 R08: 0000000000000000 R09: 0000000000000000
[  747.227358][ T2927] R10: ffffc90001647088 R11: ffffffff92400130 R12: 1ffff920002c8df2
[  747.227828][ T2927] R13: 00000000000005dc R14: ffffc90001647088 R15: ffff88800e612f08
[  747.228285][ T2927] FS:  00007f275414b800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  747.228826][ T2927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  747.229224][ T2927] CR2: 00000000004e5ab0 CR3: 000000001330d001 CR4: 0000000000772ef0
[  747.229697][ T2927] PKRU: 55555554
[  747.229924][ T2927] Call Trace:
[  747.230153][ T2927]  <TASK>
[ 747.230309][ T2927] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 747.230701][ T2927] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 747.231054][ T2927] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 747.231358][ T2927] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 747.231688][ T2927] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 747.231995][ T2927] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 747.232306][ T2927] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 747.232608][ T2927] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 747.232923][ T2927] ? ___sys_sendmsg (net/socket.c:2670) 
[ 747.233228][ T2927] ? __sys_sendmsg (net/socket.c:2700) 
[ 747.233528][ T2927] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 747.233846][ T2927] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 747.234230][ T2927] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 747.234545][ T2927] netif_set_mtu (net/core/dev.c:9652) 
[ 747.234861][ T2927] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 747.235183][ T2927] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 747.235419][ T2927] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 747.235857][ T2927] br_del_if (net/bridge/br_if.c:743) bridge 
[ 747.236204][ T2927] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 747.236509][ T2927] do_set_master (net/core/rtnetlink.c:2932) 
[ 747.236839][ T2927] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 747.237151][ T2927] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 747.237535][ T2927] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 747.237848][ T2927] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 747.238152][ T2927] ? __kernel_text_address (kernel/extable.c:79) 
[ 747.238470][ T2927] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 747.238792][ T2927] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 747.239110][ T2927] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 747.239486][ T2927] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 747.239818][ T2927] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 747.240123][ T2927] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 747.240426][ T2927] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 747.240739][ T2927] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 747.241050][ T2927] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 747.241356][ T2927] ? __create_object (mm/kmemleak.c:771) 
[ 747.241695][ T2927] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 747.242004][ T2927] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 747.242319][ T2927] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 747.242709][ T2927] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 747.243021][ T2927] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 747.243333][ T2927] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 747.243637][ T2927] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 747.243976][ T2927] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 747.244283][ T2927] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 747.244586][ T2927] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 747.244912][ T2927] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 747.245221][ T2927] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 747.245527][ T2927] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 747.245843][ T2927] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 747.246152][ T2927] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 747.246459][ T2927] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 747.246777][ T2927] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 747.247101][ T2927] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 747.247410][ T2927] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 747.247728][ T2927] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 747.248034][ T2927] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 747.248337][ T2927] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 747.248658][ T2927] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 747.248973][ T2927] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 747.249285][ T2927] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 747.249598][ T2927] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 747.249914][ T2927] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 747.250219][ T2927] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 747.250639][ T2927] ___sys_sendmsg (net/socket.c:2670) 
[ 747.250955][ T2927] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 747.251262][ T2927] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 747.251672][ T2927] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 747.251993][ T2927] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 747.252300][ T2927] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 747.252613][ T2927] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 747.252929][ T2927] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 747.253236][ T2927] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 747.253553][ T2927] __sys_sendmsg (net/socket.c:2700) 
[ 747.253874][ T2927] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 747.254257][ T2927] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 747.254576][ T2927] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 747.254894][ T2927] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 747.255205][ T2927] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  747.255581][ T2927] RIP: 0033:0x7f27543181e7
[ 747.255931][ T2927] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  747.257070][ T2927] RSP: 002b:00007ffe41178648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  747.257546][ T2927] RAX: ffffffffffffffda RBX: 00007ffe41178d70 RCX: 00007f27543181e7
[  747.258028][ T2927] RDX: 0000000000000000 RSI: 00007ffe411786b0 RDI: 0000000000000005
[  747.258489][ T2927] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  747.258976][ T2927] R10: 00007f2754215ee8 R11: 0000000000000246 R12: 0000000000000003
[  747.259437][ T2927] R13: 00000000686e6e60 R14: 0000000000499600 R15: 0000000000000000
| [  747.722743][ T2931] ------------[ cut here ]------------
| [ 747.723094][ T2931] WARNING: CPU: 1 PID: 2931 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  747.723740][ T2931] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth
| [  747.724963][ T2931] Tainted: [W]=WARN
[  747.725196][ T2931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 747.725593][ T2931] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 747.727369][ T2931] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  747.728498][ T2931] RSP: 0018:ffffc90001686f70 EFLAGS: 00010246
[  747.728917][ T2931] RAX: 0000000000000000 RBX: ffff88800e612000 RCX: 0000000000000001
[  747.729384][ T2931] RDX: 0000000000000000 RSI: ffffffff9609b939 RDI: ffffffff958555e0
[  747.729853][ T2931] RBP: ffffc90001687058 R08: 0000000000000000 R09: 0000000000000000
[  747.730324][ T2931] R10: ffffc90001687088 R11: ffffffff96579160 R12: 1ffff920002d0df2
[  747.730797][ T2931] R13: 00000000000005dc R14: ffffc90001687088 R15: ffff88800e612f08
[  747.731256][ T2931] FS:  00007f4772fd9800(0000) GS:ffff88809e137000(0000) knlGS:0000000000000000
[  747.731810][ T2931] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  747.732194][ T2931] CR2: 00000000004e5aa8 CR3: 0000000013d98004 CR4: 0000000000772ef0
[  747.732693][ T2931] PKRU: 55555554
[  747.732928][ T2931] Call Trace:
[  747.733175][ T2931]  <TASK>
[ 747.733329][ T2931] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 747.733743][ T2931] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 747.734123][ T2931] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 747.734439][ T2931] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 747.734766][ T2931] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 747.735096][ T2931] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 747.735424][ T2931] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 747.735739][ T2931] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 747.736079][ T2931] ? ___sys_sendmsg (net/socket.c:2670) 
[ 747.736430][ T2931] ? __sys_sendmsg (net/socket.c:2700) 
[ 747.736781][ T2931] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 747.737102][ T2931] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 747.737501][ T2931] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 747.737849][ T2931] netif_set_mtu (net/core/dev.c:9652) 
[ 747.738176][ T2931] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 747.738540][ T2931] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 747.738806][ T2931] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 747.739288][ T2931] br_del_if (net/bridge/br_if.c:743) bridge 
[ 747.739671][ T2931] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 747.739995][ T2931] do_set_master (net/core/rtnetlink.c:2932) 
[ 747.740319][ T2931] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 747.740646][ T2931] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 747.741077][ T2931] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 747.741398][ T2931] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 747.741734][ T2931] ? __kernel_text_address (kernel/extable.c:79) 
[ 747.742078][ T2931] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 747.742411][ T2931] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 747.742763][ T2931] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 747.743163][ T2931] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 747.743504][ T2931] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 747.743865][ T2931] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 747.744208][ T2931] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 747.744548][ T2931] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 747.744909][ T2931] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 747.745253][ T2931] ? __create_object (mm/kmemleak.c:771) 
[ 747.745601][ T2931] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 747.745923][ T2931] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 747.746246][ T2931] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 747.746658][ T2931] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 747.746985][ T2931] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 747.747340][ T2931] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 747.747677][ T2931] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 747.748018][ T2931] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 747.748355][ T2931] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 747.748699][ T2931] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 747.749050][ T2931] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 747.749376][ T2931] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 747.749724][ T2931] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 747.750057][ T2931] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 747.750390][ T2931] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 747.750709][ T2931] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 747.751025][ T2931] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 747.751341][ T2931] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 747.751643][ T2931] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 747.751970][ T2931] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 747.752298][ T2931] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 747.752611][ T2931] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 747.752962][ T2931] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 747.753285][ T2931] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 747.753621][ T2931] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 747.753955][ T2931] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 747.754276][ T2931] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 747.754599][ T2931] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 747.755004][ T2931] ___sys_sendmsg (net/socket.c:2670) 
[ 747.755318][ T2931] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 747.755623][ T2931] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 747.756019][ T2931] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 747.756329][ T2931] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 747.756638][ T2931] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 747.756975][ T2931] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 747.757282][ T2931] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 747.757599][ T2931] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 747.757931][ T2931] __sys_sendmsg (net/socket.c:2700) 
[ 747.758239][ T2931] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 747.758638][ T2931] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 747.758998][ T2931] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 747.759311][ T2931] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 747.759619][ T2931] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  747.760023][ T2931] RIP: 0033:0x7f47731a61e7
[ 747.760341][ T2931] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  747.761479][ T2931] RSP: 002b:00007fffe6270ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  747.761969][ T2931] RAX: ffffffffffffffda RBX: 00007fffe6271410 RCX: 00007f47731a61e7
[  747.762435][ T2931] RDX: 0000000000000000 RSI: 00007fffe6270d50 RDI: 0000000000000005
[  747.762906][ T2931] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  747.763396][ T2931] R10: 00007f47730a3ee8 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if