======================================
| [   21.509126][  T329] veth1: entered promiscuous mode
| [   21.511940][  T329] ------------[ cut here ]------------
| [ 21.512260][ T329] WARNING: CPU: 0 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) 
| [   21.512928][  T329] Modules linked in: bridge stp llc 8021q vrf veth
[   21.514733][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.515141][ 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) 
[ 21.515461][ T329] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   21.516599][  T329] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[   21.516994][  T329] RAX: 0000000000000000 RBX: ffff88800b6ba000 RCX: 0000000000000001
[   21.517462][  T329] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[   21.517936][  T329] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.518414][  T329] R10: ffffc90000557010 R11: ffffffff9d4a8918 R12: 1ffff920000aade2
[   21.518884][  T329] R13: 00000000000005dc R14: ffffc90000557010 R15: ffff88800b6baf08
[   21.519357][  T329] FS:  00007f3f14910800(0000) GS:ffff888097ab7000(0000) knlGS:0000000000000000
[   21.520186][  T329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.520580][  T329] CR2: 00000000004e5aa8 CR3: 000000000bcc8001 CR4: 0000000000772ef0
[   21.521060][  T329] PKRU: 55555554
[   21.521296][  T329] Call Trace:
[   21.521529][  T329]  <TASK>
[ 21.521703][ T329] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.522017][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.522336][ T329] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.522650][ T329] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.523036][ T329] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.523347][ T329] netif_set_mtu (net/core/dev.c:9652) 
[ 21.523687][ T329] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.524005][ T329] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.524436][ T329] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.524688][ T329] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.525127][ T329] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.525479][ T329] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.525798][ T329] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.526125][ T329] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.526512][ T329] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.526828][ T329] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.527155][ T329] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.527468][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.527787][ 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) 
[ 21.528095][ T329] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.528505][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.528837][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.529142][ T329] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.529451][ T329] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.529775][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.530094][ T329] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.530396][ T329] ? __create_object (mm/kmemleak.c:771) 
[ 21.530726][ T329] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.531052][ T329] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.531359][ T329] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.531750][ T329] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.532087][ T329] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.532402][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.532712][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.533031][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.533344][ T329] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.533657][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.533972][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.534282][ T329] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.534601][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.534932][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.535245][ T329] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.535559][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.535867][ T329] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.536196][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.536519][ 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) 
[ 21.536837][ T329] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.537144][ T329] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.537464][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.537787][ T329] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.538098][ T329] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.538416][ T329] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.538750][ T329] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.539068][ T329] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.539377][ T329] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.539795][ T329] ___sys_sendmsg (net/socket.c:2670) 
[ 21.540101][ T329] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.540419][ 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) 
[ 21.540841][ T329] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.541162][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.541478][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.541807][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.542116][ 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) 
[ 21.542422][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.542743][ T329] __sys_sendmsg (net/socket.c:2700) 
[ 21.543047][ T329] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.543436][ T329] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.543789][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.544099][ T329] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.544408][ T329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.544805][  T329] RIP: 0033:0x7f3f14add1e7
[ 21.545133][ 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)
[   21.546251][  T329] RSP: 002b:00007fffd6a28f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.546954][  T329] RAX: ffffffffffffffda RBX: 00007fffd6a29660 RCX: 00007f3f14add1e7
[   21.547660][  T329] RDX: 0000000000000000 RSI: 00007fffd6a28fa0 RDI: 0000000000000005
[   21.548130][  T329] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.549320][  T329] R10: 0000000004407910 R11: 0000000000000246 R12: 0000000000000004
[   21.549809][  T329] R13: 00000000686e18b5 R14: 0000000000499600 R15: 0000000000000000
| [   21.899020][  T332] ------------[ cut here ]------------
| [ 21.899363][ T332] WARNING: CPU: 2 PID: 332 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) 
| [   21.900004][  T332] Modules linked in: bridge stp llc 8021q vrf veth
| [   21.901113][  T332] Tainted: [W]=WARN
[   21.901368][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.901776][ T332] 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) 
[ 21.902110][ T332] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   21.903239][  T332] RSP: 0018:ffffc90000626ef0 EFLAGS: 00010246
[   21.903653][  T332] RAX: 0000000000000000 RBX: ffff88800b6ba000 RCX: 0000000000000001
[   21.904133][  T332] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[   21.904617][  T332] RBP: ffffc90000626fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.905090][  T332] R10: ffffc90000627010 R11: ffffffff9d4a8918 R12: 1ffff920000c4de2
[   21.905566][  T332] R13: 00000000000005dc R14: ffffc90000627010 R15: ffff88800b6baf08
[   21.906054][  T332] FS:  00007f94f29f5800(0000) GS:ffff888097bb7000(0000) knlGS:0000000000000000
[   21.906618][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.907018][  T332] CR2: 00000000004e5ab0 CR3: 000000000fb61002 CR4: 0000000000772ef0
[   21.907497][  T332] PKRU: 55555554
[   21.907752][  T332] Call Trace:
[   21.907993][  T332]  <TASK>
[ 21.908168][ T332] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.908491][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.908842][ T332] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.909165][ T332] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.909578][ T332] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.909904][ T332] netif_set_mtu (net/core/dev.c:9652) 
[ 21.910227][ T332] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.910563][ T332] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.911022][ T332] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.911273][ T332] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.911729][ T332] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.912113][ T332] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.912444][ T332] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.912789][ T332] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.913203][ T332] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.913530][ T332] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.913857][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.914187][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.914516][ T332] ? __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) 
[ 21.914842][ T332] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.915247][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.915585][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.915909][ T332] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.916242][ T332] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.916606][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.916942][ T332] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.917268][ T332] ? __create_object (mm/kmemleak.c:771) 
[ 21.917607][ T332] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.917939][ T332] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.918267][ T332] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.918670][ T332] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.919006][ T332] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.919334][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.919669][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.920000][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.920332][ T332] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.920681][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.921012][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.921365][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.921706][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.922038][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.922372][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.922713][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.923034][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.923369][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.923707][ T332] ? 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) 
[ 21.924028][ T332] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.924352][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.924683][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.925007][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.925344][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.925675][ T332] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.926001][ T332] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.926331][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.926664][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.927074][ T332] ___sys_sendmsg (net/socket.c:2670) 
[ 21.927390][ T332] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.927720][ T332] ? __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) 
[ 21.928120][ T332] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.928442][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.928804][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.929132][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.929457][ T332] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.929785][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.930112][ T332] __sys_sendmsg (net/socket.c:2700) 
[ 21.930432][ T332] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.930894][ T332] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.931227][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.931557][ T332] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.931897][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.932288][  T332] RIP: 0033:0x7f94f2bc21e7
[ 21.932630][ T332] 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)
[   21.933739][  T332] RSP: 002b:00007ffd222f5148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.934225][  T332] RAX: ffffffffffffffda RBX: 00007ffd222f5870 RCX: 00007f94f2bc21e7
[   21.934708][  T332] RDX: 0000000000000000 RSI: 00007ffd222f51b0 RDI: 0000000000000005
[   21.935177][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.935657][  T332] R10: 0000000014a0a910 R11: 0000000000000246 R12: 0000000000000004
[   21.936134][  T332] R13: 00000000686e18b5 R14: 0000000000499600 R15: 0000000000000000
| [  109.530152][ T2117] ------------[ cut here ]------------
| [ 109.530476][ T2117] WARNING: CPU: 0 PID: 2117 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) 
| [  109.531593][ T2117] Modules linked in: bridge stp llc 8021q vrf veth
| [  109.532622][ T2117] Tainted: [W]=WARN
[  109.532858][ T2117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.533241][ T2117] 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) 
[ 109.533578][ T2117] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  109.534717][ T2117] RSP: 0018:ffffc90003cb6f70 EFLAGS: 00010246
[  109.535102][ T2117] RAX: 0000000000000000 RBX: ffff88800b6ba000 RCX: 0000000000000001
[  109.535566][ T2117] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[  109.536027][ T2117] RBP: ffffc90003cb7058 R08: 0000000000000000 R09: 0000000000000000
[  109.536484][ T2117] R10: ffffc90003cb7088 R11: ffffffff98a00130 R12: 1ffff92000796df2
[  109.536944][ T2117] R13: 00000000000005dc R14: ffffc90003cb7088 R15: ffff88800b6baf08
[  109.537395][ T2117] FS:  00007fdb1a8dc800(0000) GS:ffff888097ab7000(0000) knlGS:0000000000000000
[  109.537942][ T2117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.538322][ T2117] CR2: 00000000004e5ab0 CR3: 000000000f1f4002 CR4: 0000000000772ef0
[  109.538791][ T2117] PKRU: 55555554
[  109.539020][ T2117] Call Trace:
[  109.539246][ T2117]  <TASK>
[ 109.539399][ T2117] ? __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) 
[ 109.539791][ T2117] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 109.540140][ T2117] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 109.540444][ T2117] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 109.540769][ T2117] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.541073][ T2117] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.541426][ T2117] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.541751][ T2117] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.542058][ T2117] ? ___sys_sendmsg (net/socket.c:2670) 
[ 109.542367][ T2117] ? __sys_sendmsg (net/socket.c:2700) 
[ 109.542676][ T2117] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.542978][ T2117] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 109.543359][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.543683][ T2117] netif_set_mtu (net/core/dev.c:9652) 
[ 109.543989][ T2117] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.544308][ T2117] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.544547][ T2117] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.544972][ T2117] br_del_if (net/bridge/br_if.c:743) bridge 
[ 109.545308][ T2117] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 109.545635][ T2117] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 109.545943][ T2117] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 109.546250][ T2117] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 109.546640][ T2117] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 109.546943][ T2117] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 109.547246][ T2117] ? __kernel_text_address (kernel/extable.c:79) 
[ 109.547564][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.547877][ T2117] ? __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) 
[ 109.548183][ T2117] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 109.548575][ T2117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.548881][ T2117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.549187][ T2117] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 109.549489][ T2117] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 109.549810][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.550114][ T2117] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.550420][ T2117] ? __create_object (mm/kmemleak.c:771) 
[ 109.550745][ T2117] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 109.551051][ T2117] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 109.551357][ T2117] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 109.551742][ T2117] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 109.552052][ T2117] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.552365][ T2117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.552682][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.552992][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.553297][ T2117] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.553616][ T2117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.553924][ T2117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.554227][ T2117] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.554531][ T2117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.554847][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.555180][ T2117] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.555519][ T2117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.555831][ T2117] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.556149][ T2117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.556496][ T2117] ? 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) 
[ 109.556826][ T2117] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.557152][ T2117] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.557473][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.557834][ T2117] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.558162][ T2117] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.558466][ T2117] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.558783][ T2117] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.559092][ T2117] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.559394][ T2117] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.559796][ T2117] ___sys_sendmsg (net/socket.c:2670) 
[ 109.560099][ T2117] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 109.560402][ T2117] ? __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) 
[ 109.560804][ T2117] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.561111][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.561420][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.561746][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.562057][ T2117] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 109.562363][ T2117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.562682][ T2117] __sys_sendmsg (net/socket.c:2700) 
[ 109.562983][ T2117] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 109.563356][ T2117] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.563682][ T2117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.563994][ T2117] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.564298][ T2117] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.564690][ T2117] RIP: 0033:0x7fdb1aaa91e7
[ 109.565009][ T2117] 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)
[  109.566160][ T2117] RSP: 002b:00007ffccf63f198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.566644][ T2117] RAX: ffffffffffffffda RBX: 00007ffccf63f8c0 RCX: 00007fdb1aaa91e7
[  109.567102][ T2117] RDX: 0000000000000000 RSI: 00007ffccf63f200 RDI: 0000000000000005
[  109.567571][ T2117] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  109.568031][ T2117] R10: 00007fdb1a9a6ee8 R11: 0000000000000246 R12: 0000000000000003
[  109.568491][ T2117] R13: 00000000686e190d R14: 0000000000499600 R15: 0000000000000000
| [  109.811108][ T2119] ------------[ cut here ]------------
| [ 109.811428][ T2119] WARNING: CPU: 3 PID: 2119 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) 
| [  109.812037][ T2119] Modules linked in: bridge stp llc 8021q vrf veth
| [  109.813301][ T2119] Tainted: [W]=WARN
[  109.813549][ T2119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.813932][ T2119] 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) 
[ 109.814252][ T2119] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  109.815499][ T2119] RSP: 0018:ffffc90003cb6f70 EFLAGS: 00010246
[  109.816041][ T2119] RAX: 0000000000000000 RBX: ffff88800b6ba000 RCX: 0000000000000001
[  109.816597][ T2119] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[  109.817051][ T2119] RBP: ffffc90003cb7058 R08: 0000000000000000 R09: 0000000000000000
[  109.817505][ T2119] R10: ffffc90003cb7088 R11: ffffffff9cb79160 R12: 1ffff92000796df2
[  109.817972][ T2119] R13: 00000000000005dc R14: ffffc90003cb7088 R15: ffff88800b6baf08
[  109.818433][ T2119] FS:  00007f3934f5e800(0000) GS:ffff888097c37000(0000) knlGS:0000000000000000
[  109.818965][ T2119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.819348][ T2119] CR2: 00000000004e5aa8 CR3: 000000000f8f2001 CR4: 0000000000772ef0
[  109.819818][ T2119] PKRU: 55555554
[  109.820047][ T2119] Call Trace:
[  109.820303][ T2119]  <TASK>
[ 109.820457][ T2119] ? __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) 
[ 109.820859][ T2119] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 109.821213][ T2119] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 109.821516][ T2119] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 109.821826][ T2119] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.822133][ T2119] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.822444][ T2119] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.822751][ T2119] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.823055][ T2119] ? ___sys_sendmsg (net/socket.c:2670) 
[ 109.823356][ T2119] ? __sys_sendmsg (net/socket.c:2700) 
[ 109.823686][ T2119] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.823989][ T2119] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 109.824396][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.824727][ T2119] netif_set_mtu (net/core/dev.c:9652) 
[ 109.825032][ T2119] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.825351][ T2119] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.825589][ T2119] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.826013][ T2119] br_del_if (net/bridge/br_if.c:743) bridge 
[ 109.826355][ T2119] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 109.826667][ T2119] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 109.826975][ T2119] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 109.827287][ T2119] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 109.827680][ T2119] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 109.827984][ T2119] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 109.828285][ T2119] ? __kernel_text_address (kernel/extable.c:79) 
[ 109.828599][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.828905][ T2119] ? __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) 
[ 109.829236][ T2119] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 109.829634][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.829940][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.830246][ T2119] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 109.830558][ T2119] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 109.830879][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.831185][ T2119] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.831483][ T2119] ? __create_object (mm/kmemleak.c:771) 
[ 109.831806][ T2119] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 109.832119][ T2119] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 109.832420][ T2119] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 109.832805][ T2119] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 109.833114][ T2119] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.833451][ T2119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.833769][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.834082][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.834394][ T2119] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.834699][ T2119] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.835006][ T2119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.835307][ T2119] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.835623][ T2119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.835928][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.836236][ T2119] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.836555][ T2119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.836877][ T2119] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.837221][ T2119] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.837530][ T2119] ? 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) 
[ 109.837890][ T2119] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.838214][ T2119] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.838530][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.838867][ T2119] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.839189][ T2119] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.839508][ T2119] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.839851][ T2119] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.840177][ T2119] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.840499][ T2119] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.840922][ T2119] ___sys_sendmsg (net/socket.c:2670) 
[ 109.841261][ T2119] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 109.841580][ T2119] ? __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) 
[ 109.841977][ T2119] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.842299][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.842632][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.842958][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.843274][ T2119] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 109.843610][ T2119] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.843937][ T2119] __sys_sendmsg (net/socket.c:2700) 
[ 109.844252][ T2119] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 109.844653][ T2119] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.844986][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.845336][ T2119] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.845661][ T2119] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.846054][ T2119] RIP: 0033:0x7f393512b1e7
[ 109.846386][ T2119] 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)
[  109.847532][ T2119] RSP: 002b:00007ffee8a665a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.848027][ T2119] RAX: ffffffffffffffda RBX: 00007ffee8a66cd0 RCX: 00007f393512b1e7
[  109.848510][ T2119] RDX: 0000000000000000 RSI: 00007ffee8a66610 RDI: 0000000000000005
[  109.848994][ T2119] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  109.849505][ T2119] R10: 00007f3935028ee8 R11: 0000000000000246 R12: 0000000000000003
[  109.849992][ T2119] R13: 00000000686e190d R14: 0000000000499600 R15: 0000000000000000
| [  110.992989][ T2137] ------------[ cut here ]------------
| [ 110.993370][ T2137] WARNING: CPU: 2 PID: 2137 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) 
| [  110.994063][ T2137] Modules linked in: bridge stp llc 8021q vrf veth
| [  110.995243][ T2137] Tainted: [W]=WARN
[  110.995503][ T2137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.995961][ T2137] 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) 
[ 110.996330][ T2137] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  110.998657][ T2137] RSP: 0018:ffffc90003cd6ef0 EFLAGS: 00010246
[  110.999192][ T2137] RAX: 0000000000000000 RBX: ffff88800abea000 RCX: 0000000000000001
[  110.999728][ T2137] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[  111.000258][ T2137] RBP: ffffc90003cd6fe0 R08: 0000000000000000 R09: 0000000000000000
[  111.000790][ T2137] R10: ffffc90003cd7010 R11: ffffffff9d4a8918 R12: 1ffff9200079ade2
[  111.001297][ T2137] R13: 00000000000005dc R14: ffffc90003cd7010 R15: ffff88800abeaf08
[  111.001810][ T2137] FS:  00007fe0ded28800(0000) GS:ffff888097bb7000(0000) knlGS:0000000000000000
[  111.002408][ T2137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.002840][ T2137] CR2: 00000000004e5aa8 CR3: 000000000f43a004 CR4: 0000000000772ef0
[  111.003351][ T2137] PKRU: 55555554
[  111.003612][ T2137] Call Trace:
[  111.003881][ T2137]  <TASK>
[ 111.004053][ T2137] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.004406][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.004764][ T2137] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.005087][ T2137] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.005478][ T2137] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.005811][ T2137] netif_set_mtu (net/core/dev.c:9652) 
[ 111.006129][ T2137] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.006464][ T2137] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.006915][ T2137] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.007158][ T2137] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.007629][ T2137] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.008008][ T2137] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.008344][ T2137] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 111.008691][ T2137] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 111.009108][ T2137] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 111.009440][ T2137] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 111.009789][ T2137] ? __kernel_text_address (kernel/extable.c:79) 
[ 111.010123][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.010456][ T2137] ? __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) 
[ 111.010824][ T2137] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 111.011261][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.011611][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.011941][ T2137] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 111.012273][ T2137] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 111.012641][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.012974][ T2137] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.013327][ T2137] ? __create_object (mm/kmemleak.c:771) 
[ 111.013676][ T2137] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 111.014005][ T2137] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 111.014330][ T2137] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 111.014749][ T2137] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 111.015094][ T2137] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.015430][ T2137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.015771][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.016111][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.016451][ T2137] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.016787][ T2137] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.017126][ T2137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.017457][ T2137] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.017809][ T2137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.018146][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.018488][ T2137] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.018831][ T2137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.019169][ T2137] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.019514][ T2137] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.019858][ T2137] ? 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) 
[ 111.020209][ T2137] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.020571][ T2137] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.020927][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.021276][ T2137] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.021633][ T2137] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.021978][ T2137] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.022329][ T2137] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.022691][ T2137] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.023030][ T2137] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.023466][ T2137] ___sys_sendmsg (net/socket.c:2670) 
[ 111.023809][ T2137] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 111.024144][ T2137] ? __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) 
[ 111.024571][ T2137] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.024920][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.025292][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.025649][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.025982][ T2137] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 111.026318][ T2137] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.026670][ T2137] __sys_sendmsg (net/socket.c:2700) 
[ 111.027003][ T2137] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 111.027412][ T2137] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.027776][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.028111][ T2137] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.028450][ T2137] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.028867][ T2137] RIP: 0033:0x7fe0deef51e7
[ 111.029214][ T2137] 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)
[  111.030405][ T2137] RSP: 002b:00007ffe6e8e1088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.030930][ T2137] RAX: ffffffffffffffda RBX: 00007ffe6e8e17b0 RCX: 00007fe0deef51e7
[  111.031413][ T2137] RDX: 0000000000000000 RSI: 00007ffe6e8e10f0 RDI: 0000000000000005
[  111.031921][ T2137] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  111.032443][ T2137] R10: 000000001a679910 R11: 0000000000000246 R12: 0000000000000004
[  111.032942][ T2137] R13: 00000000686e190e R14: 0000000000499600 R15: 0000000000000000
| [  111.612447][ T2142] ------------[ cut here ]------------
| [ 111.612843][ T2142] WARNING: CPU: 2 PID: 2142 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) 
| [  111.613499][ T2142] Modules linked in: bridge stp llc 8021q vrf veth
| [  111.614611][ T2142] Tainted: [W]=WARN
[  111.614866][ T2142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.615277][ T2142] 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) 
[ 111.615631][ T2142] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  111.616796][ T2142] RSP: 0018:ffffc90003d66ef0 EFLAGS: 00010246
[  111.617219][ T2142] RAX: 0000000000000000 RBX: ffff88800abea000 RCX: 0000000000000001
[  111.617950][ T2142] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[  111.618630][ T2142] RBP: ffffc90003d66fe0 R08: 0000000000000000 R09: 0000000000000000
[  111.619370][ T2142] R10: ffffc90003d67010 R11: ffffffff9d4a8918 R12: 1ffff920007acde2
[  111.620016][ T2142] R13: 00000000000005dc R14: ffffc90003d67010 R15: ffff88800abeaf08
[  111.620832][ T2142] FS:  00007f8250b62800(0000) GS:ffff888097bb7000(0000) knlGS:0000000000000000
[  111.621535][ T2142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.621996][ T2142] CR2: 00000000004e5ab0 CR3: 000000000f55b001 CR4: 0000000000772ef0
[  111.622514][ T2142] PKRU: 55555554
[  111.622785][ T2142] Call Trace:
[  111.623042][ T2142]  <TASK>
[ 111.623238][ T2142] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.623592][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.623945][ T2142] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.624301][ T2142] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.624732][ T2142] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.625070][ T2142] netif_set_mtu (net/core/dev.c:9652) 
[ 111.625417][ T2142] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.625790][ T2142] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.626298][ T2142] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.626619][ T2142] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.627082][ T2142] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.627486][ T2142] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.627841][ T2142] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 111.628176][ T2142] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 111.628635][ T2142] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 111.628975][ T2142] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 111.629327][ T2142] ? __kernel_text_address (kernel/extable.c:79) 
[ 111.629686][ T2142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.630025][ T2142] ? __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) 
[ 111.630376][ T2142] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 111.630796][ T2142] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.631131][ T2142] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.631466][ T2142] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 111.631814][ T2142] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 111.632138][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.632496][ T2142] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.632833][ T2142] ? __create_object (mm/kmemleak.c:771) 
[ 111.633152][ T2142] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 111.633470][ T2142] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 111.633813][ T2142] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 111.634221][ T2142] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 111.634554][ T2142] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.634882][ T2142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.635223][ T2142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.635555][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.635871][ T2142] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.636182][ T2142] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.636499][ T2142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.636832][ T2142] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.637149][ T2142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.637470][ T2142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.637817][ T2142] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.638145][ T2142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.638459][ T2142] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.638799][ T2142] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.639119][ T2142] ? 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) 
[ 111.639443][ T2142] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.639771][ T2142] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.640110][ T2142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.640456][ T2142] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.640804][ T2142] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.641122][ T2142] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.641451][ T2142] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.641794][ T2142] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.642110][ T2142] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.642509][ T2142] ___sys_sendmsg (net/socket.c:2670) 
[ 111.642852][ T2142] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 111.643177][ T2142] ? __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) 
[ 111.643580][ T2142] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.643909][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.644231][ T2142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.644563][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.644884][ T2142] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 111.645198][ T2142] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.645523][ T2142] __sys_sendmsg (net/socket.c:2700) 
[ 111.645862][ T2142] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 111.646260][ T2142] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.646608][ T2142] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.646927][ T2142] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.647242][ T2142] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.647644][ T2142] RIP: 0033:0x7f8250d2f1e7
[ 111.647971][ T2142] 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)
[  111.649084][ T2142] RSP: 002b:00007fffe706ff18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.649582][ T2142] RAX: ffffffffffffffda RBX: 00007fffe7070640 RCX: 00007f8250d2f1e7
[  111.650051][ T2142] RDX: 0000000000000000 RSI: 00007fffe706ff80 RDI: 0000000000000005
[  111.650548][ T2142] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  111.651053][ T2142] R10: 0000000035f0c910 R11: 0000000000000246 R12: 0000000000000004
[  111.651527][ T2142] R13: 00000000686e190f R14: 0000000000499600 R15: 0000000000000000
| [  199.901354][ T3936] ------------[ cut here ]------------
| [ 199.901723][ T3936] WARNING: CPU: 1 PID: 3936 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) 
| [  199.902330][ T3936] Modules linked in: bridge stp llc 8021q vrf veth
| [  199.903355][ T3936] Tainted: [W]=WARN
[  199.903612][ T3936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 199.904003][ T3936] 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) 
[ 199.904318][ T3936] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  199.905839][ T3936] RSP: 0018:ffffc900071c6f70 EFLAGS: 00010246
[  199.906243][ T3936] RAX: 0000000000000000 RBX: ffff88800abea000 RCX: 0000000000000001
[  199.906732][ T3936] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[  199.907211][ T3936] RBP: ffffc900071c7058 R08: 0000000000000000 R09: 0000000000000000
[  199.907708][ T3936] R10: ffffc900071c7088 R11: ffffffff9cb79160 R12: 1ffff92000e38df2
[  199.908202][ T3936] R13: 00000000000005dc R14: ffffc900071c7088 R15: ffff88800abeaf08
[  199.908710][ T3936] FS:  00007fbfbf262800(0000) GS:ffff888097b37000(0000) knlGS:0000000000000000
[  199.909279][ T3936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  199.909692][ T3936] CR2: 00000000004e5ab0 CR3: 000000000f93c002 CR4: 0000000000772ef0
[  199.910175][ T3936] PKRU: 55555554
[  199.910414][ T3936] Call Trace:
[  199.910668][ T3936]  <TASK>
[ 199.910838][ T3936] ? __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) 
[ 199.911243][ T3936] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 199.911640][ T3936] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 199.911966][ T3936] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 199.912284][ T3936] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 199.912623][ T3936] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 199.912946][ T3936] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 199.913263][ T3936] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 199.913595][ T3936] ? ___sys_sendmsg (net/socket.c:2670) 
[ 199.913915][ T3936] ? __sys_sendmsg (net/socket.c:2700) 
[ 199.914232][ T3936] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 199.914561][ T3936] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 199.914957][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.915294][ T3936] netif_set_mtu (net/core/dev.c:9652) 
[ 199.915633][ T3936] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 199.915978][ T3936] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 199.916220][ T3936] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 199.916668][ T3936] br_del_if (net/bridge/br_if.c:743) bridge 
[ 199.917020][ T3936] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 199.917341][ T3936] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 199.917675][ T3936] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 199.918003][ T3936] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 199.918409][ T3936] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 199.918735][ T3936] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 199.919061][ T3936] ? __kernel_text_address (kernel/extable.c:79) 
[ 199.919385][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.919726][ T3936] ? __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) 
[ 199.920048][ T3936] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 199.920448][ T3936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.920781][ T3936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.921114][ T3936] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 199.921431][ T3936] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 199.921762][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.922067][ T3936] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 199.922369][ T3936] ? __create_object (mm/kmemleak.c:771) 
[ 199.922689][ T3936] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 199.922993][ T3936] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 199.923297][ T3936] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 199.923693][ T3936] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 199.924006][ T3936] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 199.924316][ T3936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 199.924627][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.924937][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.925251][ T3936] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 199.925561][ T3936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 199.925874][ T3936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 199.926179][ T3936] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 199.926484][ T3936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 199.926799][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.927111][ T3936] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 199.927413][ T3936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 199.927738][ T3936] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 199.928054][ T3936] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 199.928356][ T3936] ? 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) 
[ 199.928669][ T3936] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 199.928975][ T3936] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 199.929291][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.929620][ T3936] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 199.929927][ T3936] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 199.930232][ T3936] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 199.930552][ T3936] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 199.930877][ T3936] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 199.931182][ T3936] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 199.931594][ T3936] ___sys_sendmsg (net/socket.c:2670) 
[ 199.931896][ T3936] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 199.932207][ T3936] ? __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) 
[ 199.932593][ T3936] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 199.932901][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.933208][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.933521][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.933834][ T3936] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 199.934141][ T3936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 199.934456][ T3936] __sys_sendmsg (net/socket.c:2700) 
[ 199.934764][ T3936] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 199.935145][ T3936] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 199.935466][ T3936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.935789][ T3936] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 199.936101][ T3936] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  199.936477][ T3936] RIP: 0033:0x7fbfbf42f1e7
[ 199.936803][ T3936] 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)
[  199.937894][ T3936] RSP: 002b:00007fff368e99f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  199.938366][ T3936] RAX: ffffffffffffffda RBX: 00007fff368ea120 RCX: 00007fbfbf42f1e7
[  199.938837][ T3936] RDX: 0000000000000000 RSI: 00007fff368e9a60 RDI: 0000000000000005
[  199.939297][ T3936] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  199.939775][ T3936] R10: 00007fbfbf32cee8 R11: 0000000000000246 R12: 0000000000000003
[  199.940231][ T3936] R13: 00000000686e1967 R14: 0000000000499600 R15: 0000000000000000
| [  200.173076][ T3938] ------------[ cut here ]------------
| [ 200.173396][ T3938] WARNING: CPU: 1 PID: 3938 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) 
| [  200.175483][ T3938] Modules linked in: bridge stp llc 8021q vrf veth
| [  200.176692][ T3938] Tainted: [W]=WARN
[  200.176924][ T3938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 200.177302][ T3938] 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) 
[ 200.177634][ T3938] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  200.178722][ T3938] RSP: 0018:ffffc90006fd6f70 EFLAGS: 00010246
[  200.179104][ T3938] RAX: 0000000000000000 RBX: ffff88800abea000 RCX: 0000000000000001
[  200.179571][ T3938] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[  200.180024][ T3938] RBP: ffffc90006fd7058 R08: 0000000000000000 R09: 0000000000000000
[  200.180482][ T3938] R10: ffffc90006fd7088 R11: ffffffff9cb79160 R12: 1ffff92000dfadf2
[  200.180951][ T3938] R13: 00000000000005dc R14: ffffc90006fd7088 R15: ffff88800abeaf08
[  200.181404][ T3938] FS:  00007fe62a0ac800(0000) GS:ffff888097b37000(0000) knlGS:0000000000000000
[  200.181947][ T3938] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  200.182335][ T3938] CR2: 00000000004e5aa8 CR3: 000000000f32c005 CR4: 0000000000772ef0
[  200.182798][ T3938] PKRU: 55555554
[  200.183026][ T3938] Call Trace:
[  200.183254][ T3938]  <TASK>
[ 200.183408][ T3938] ? __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) 
[ 200.183803][ T3938] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 200.184149][ T3938] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 200.184455][ T3938] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 200.184770][ T3938] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 200.185073][ T3938] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 200.185375][ T3938] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 200.185691][ T3938] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 200.186004][ T3938] ? ___sys_sendmsg (net/socket.c:2670) 
[ 200.186304][ T3938] ? __sys_sendmsg (net/socket.c:2700) 
[ 200.186631][ T3938] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 200.186936][ T3938] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 200.187315][ T3938] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.187642][ T3938] netif_set_mtu (net/core/dev.c:9652) 
[ 200.187946][ T3938] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 200.188275][ T3938] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 200.188506][ T3938] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 200.188940][ T3938] br_del_if (net/bridge/br_if.c:743) bridge 
[ 200.189281][ T3938] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 200.189608][ T3938] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 200.189928][ T3938] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 200.190236][ T3938] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 200.190631][ T3938] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 200.190955][ T3938] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 200.191262][ T3938] ? __kernel_text_address (kernel/extable.c:79) 
[ 200.191582][ T3938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.191898][ T3938] ? __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) 
[ 200.192204][ T3938] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 200.192593][ T3938] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 200.192901][ T3938] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 200.193205][ T3938] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 200.193507][ T3938] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 200.193829][ T3938] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.194151][ T3938] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 200.194451][ T3938] ? __create_object (mm/kmemleak.c:771) 
[ 200.194768][ T3938] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 200.195077][ T3938] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 200.195381][ T3938] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 200.195767][ T3938] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 200.196081][ T3938] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 200.196390][ T3938] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 200.196712][ T3938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.197019][ T3938] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.197323][ T3938] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 200.197630][ T3938] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 200.197940][ T3938] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 200.198243][ T3938] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 200.198561][ T3938] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 200.198867][ T3938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.199180][ T3938] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 200.199486][ T3938] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 200.199804][ T3938] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 200.200132][ T3938] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 200.200435][ T3938] ? 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) 
[ 200.200746][ T3938] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 200.201066][ T3938] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 200.201374][ T3938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.201695][ T3938] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 200.202002][ T3938] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 200.202303][ T3938] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 200.202632][ T3938] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 200.202941][ T3938] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 200.203243][ T3938] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 200.203648][ T3938] ___sys_sendmsg (net/socket.c:2670) 
[ 200.203947][ T3938] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 200.204252][ T3938] ? __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) 
[ 200.204635][ T3938] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 200.204942][ T3938] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.205248][ T3938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.205568][ T3938] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.205877][ T3938] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 200.206178][ T3938] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 200.206487][ T3938] __sys_sendmsg (net/socket.c:2700) 
[ 200.206801][ T3938] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 200.207175][ T3938] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 200.207492][ T3938] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 200.207806][ T3938] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 200.208116][ T3938] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  200.208487][ T3938] RIP: 0033:0x7fe62a2791e7
[ 200.208810][ T3938] 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)
[  200.209898][ T3938] RSP: 002b:00007ffdfbca3bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  200.210365][ T3938] RAX: ffffffffffffffda RBX: 00007ffdfbca4320 RCX: 00007fe62a2791e7
[  200.210842][ T3938] RDX: 0000000000000000 RSI: 00007ffdfbca3c60 RDI: 0000000000000005
[  200.211304][ T3938] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  200.211775][ T3938] R10: 00007fe62a176ee8 R11: 0000000000000246 R12: 0000000000000003
[  200.212242][ T3938] R13: 00000000686e1967 R14: 0000000000499600 R15: 0000000000000000
| [  201.208797][ T3956] ------------[ cut here ]------------
| [ 201.209136][ T3956] WARNING: CPU: 2 PID: 3956 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) 
| [  201.209768][ T3956] Modules linked in: bridge stp llc 8021q vrf veth
| [  201.210852][ T3956] Tainted: [W]=WARN
[  201.211101][ T3956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 201.211495][ T3956] 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) 
[ 201.211836][ T3956] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  201.213773][ T3956] RSP: 0018:ffffc90007266ef0 EFLAGS: 00010246
[  201.214185][ T3956] RAX: 0000000000000000 RBX: ffff88800b6ba000 RCX: 0000000000000001
[  201.214672][ T3956] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[  201.215139][ T3956] RBP: ffffc90007266fe0 R08: 0000000000000000 R09: 0000000000000000
[  201.215621][ T3956] R10: ffffc90007267010 R11: ffffffff9d4a8918 R12: 1ffff92000e4cde2
[  201.216088][ T3956] R13: 00000000000005dc R14: ffffc90007267010 R15: ffff88800b6baf08
[  201.216573][ T3956] FS:  00007f3c3260a800(0000) GS:ffff888097bb7000(0000) knlGS:0000000000000000
[  201.217120][ T3956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  201.217528][ T3956] CR2: 00000000004e5aa8 CR3: 000000000f3c6002 CR4: 0000000000772ef0
[  201.218007][ T3956] PKRU: 55555554
[  201.218254][ T3956] Call Trace:
[  201.218498][ T3956]  <TASK>
[ 201.218678][ T3956] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 201.219005][ T3956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.219336][ T3956] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 201.219672][ T3956] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 201.220072][ T3956] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 201.220396][ T3956] netif_set_mtu (net/core/dev.c:9652) 
[ 201.220727][ T3956] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 201.221074][ T3956] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 201.221526][ T3956] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 201.221781][ T3956] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 201.222210][ T3956] br_add_if (net/bridge/br_if.c:697) bridge 
[ 201.222584][ T3956] do_set_master (net/core/rtnetlink.c:2948) 
[ 201.222917][ T3956] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 201.223242][ T3956] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 201.223666][ T3956] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 201.223994][ T3956] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 201.224312][ T3956] ? __kernel_text_address (kernel/extable.c:79) 
[ 201.224647][ T3956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.224978][ T3956] ? __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) 
[ 201.225304][ T3956] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 201.225717][ T3956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 201.226040][ T3956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 201.226356][ T3956] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 201.226684][ T3956] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 201.226999][ T3956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.227324][ T3956] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 201.227652][ T3956] ? __create_object (mm/kmemleak.c:771) 
[ 201.227976][ T3956] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 201.228294][ T3956] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 201.228625][ T3956] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 201.229014][ T3956] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 201.229341][ T3956] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 201.229678][ T3956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 201.230005][ T3956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.230326][ T3956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.230653][ T3956] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 201.230978][ T3956] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 201.231297][ T3956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 201.231626][ T3956] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 201.231945][ T3956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 201.232274][ T3956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.232609][ T3956] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 201.232933][ T3956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 201.233249][ T3956] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 201.233590][ T3956] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 201.233905][ T3956] ? 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) 
[ 201.234225][ T3956] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 201.234556][ T3956] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 201.234876][ T3956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.235196][ T3956] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 201.235525][ T3956] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 201.235855][ T3956] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 201.236189][ T3956] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 201.236512][ T3956] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 201.236839][ T3956] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 201.237251][ T3956] ___sys_sendmsg (net/socket.c:2670) 
[ 201.237580][ T3956] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 201.237900][ T3956] ? __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) 
[ 201.238300][ T3956] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 201.238627][ T3956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.238951][ T3956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.239274][ T3956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.239610][ T3956] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 201.239927][ T3956] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 201.240262][ T3956] __sys_sendmsg (net/socket.c:2700) 
[ 201.240585][ T3956] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 201.240988][ T3956] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 201.241315][ T3956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 201.241646][ T3956] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 201.241973][ T3956] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  201.242372][ T3956] RIP: 0033:0x7f3c327d71e7
[ 201.242715][ T3956] 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)
[  201.243819][ T3956] RSP: 002b:00007ffc9843b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  201.244295][ T3956] RAX: ffffffffffffffda RBX: 00007ffc9843b7f0 RCX: 00007f3c327d71e7
[  201.244776][ T3956] RDX: 0000000000000000 RSI: 00007ffc9843b130 RDI: 0000000000000005
[  201.245243][ T3956] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  201.245722][ T3956] R10: 000000002c448910 R11: 0000000000000246 R12: 0000000000000004
[  201.246197][ T3956] R13: 00000000686e1968 R14: 0000000000499600 R15: 0000000000000000
| [  201.797999][ T3961] ------------[ cut here ]------------
| [ 201.798309][ T3961] WARNING: CPU: 0 PID: 3961 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) 
| [  201.798936][ T3961] Modules linked in: bridge stp llc 8021q vrf veth
| [  201.799973][ T3961] Tainted: [W]=WARN
[  201.800203][ T3961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 201.800591][ T3961] 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) 
[ 201.800917][ T3961] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  201.802015][ T3961] RSP: 0018:ffffc900072a6ef0 EFLAGS: 00010246
[  201.802399][ T3961] RAX: 0000000000000000 RBX: ffff88800b6ba000 RCX: 0000000000000001
[  201.802862][ T3961] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[  201.803323][ T3961] RBP: ffffc900072a6fe0 R08: 0000000000000000 R09: 0000000000000000
[  201.803784][ T3961] R10: ffffc900072a7010 R11: ffffffff9d4a8918 R12: 1ffff92000e54de2
[  201.804239][ T3961] R13: 00000000000005dc R14: ffffc900072a7010 R15: ffff88800b6baf08
[  201.804696][ T3961] FS:  00007fcb266e4800(0000) GS:ffff888097ab7000(0000) knlGS:0000000000000000
[  201.805232][ T3961] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  201.805623][ T3961] CR2: 00000000004e5ab0 CR3: 000000000f9e1002 CR4: 0000000000772ef0
[  201.806077][ T3961] PKRU: 55555554
[  201.806304][ T3961] Call Trace:
[  201.806535][ T3961]  <TASK>
[ 201.806707][ T3961] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 201.807009][ T3961] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.807329][ T3961] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 201.807646][ T3961] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 201.808026][ T3961] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 201.808332][ T3961] netif_set_mtu (net/core/dev.c:9652) 
[ 201.808645][ T3961] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 201.808997][ T3961] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 201.809431][ T3961] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 201.809681][ T3961] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 201.810098][ T3961] br_add_if (net/bridge/br_if.c:697) bridge 
[ 201.810452][ T3961] do_set_master (net/core/rtnetlink.c:2948) 
[ 201.810792][ T3961] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 201.811113][ T3961] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 201.811497][ T3961] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 201.811814][ T3961] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 201.812147][ T3961] ? __kernel_text_address (kernel/extable.c:79) 
[ 201.812456][ T3961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.812773][ T3961] ? __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) 
[ 201.813079][ T3961] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 201.813460][ T3961] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 201.813777][ T3961] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 201.814081][ T3961] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 201.814388][ T3961] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 201.814703][ T3961] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.815005][ T3961] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 201.815307][ T3961] ? __create_object (mm/kmemleak.c:771) 
[ 201.815653][ T3961] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 201.815962][ T3961] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 201.816270][ T3961] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 201.816664][ T3961] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 201.816978][ T3961] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 201.817288][ T3961] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 201.817600][ T3961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.817914][ T3961] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.818225][ T3961] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 201.818627][ T3961] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 201.818939][ T3961] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 201.819247][ T3961] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 201.819566][ T3961] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 201.819874][ T3961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.820181][ T3961] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 201.820491][ T3961] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 201.820804][ T3961] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 201.821152][ T3961] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 201.821458][ T3961] ? 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) 
[ 201.821774][ T3961] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 201.822083][ T3961] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 201.822385][ T3961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.822711][ T3961] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 201.823018][ T3961] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 201.823322][ T3961] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 201.823643][ T3961] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 201.823955][ T3961] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 201.824256][ T3961] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 201.824661][ T3961] ___sys_sendmsg (net/socket.c:2670) 
[ 201.824962][ T3961] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 201.825265][ T3961] ? __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) 
[ 201.825650][ T3961] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 201.825963][ T3961] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.826267][ T3961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.826586][ T3961] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.826893][ T3961] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 201.827194][ T3961] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 201.827503][ T3961] __sys_sendmsg (net/socket.c:2700) 
[ 201.827812][ T3961] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 201.828206][ T3961] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 201.828533][ T3961] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 201.828848][ T3961] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 201.829153][ T3961] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  201.829527][ T3961] RIP: 0033:0x7fcb268b11e7
[ 201.829853][ T3961] 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)
[  201.830955][ T3961] RSP: 002b:00007fff91c17858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  201.831413][ T3961] RAX: ffffffffffffffda RBX: 00007fff91c17f80 RCX: 00007fcb268b11e7
[  201.831875][ T3961] RDX: 0000000000000000 RSI: 00007fff91c178c0 RDI: 0000000000000005
[  201.832328][ T3961] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  201.832823][ T3961] R10: 00000000342a8910 R11: 0000000000000246 R12: 0000000000000004
[  201.833296][ T3961] R13: 00000000686e1969 R14: 0000000000499600 R15: 0000000000000000
| [  389.020665][ T7811] ------------[ cut here ]------------
| [ 389.020995][ T7811] WARNING: CPU: 0 PID: 7811 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) 
| [  389.021744][ T7811] Modules linked in: bridge stp llc 8021q vrf veth
| [  389.022880][ T7811] Tainted: [W]=WARN
[  389.023111][ T7811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 389.023508][ T7811] 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) 
[ 389.023839][ T7811] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  389.024981][ T7811] RSP: 0018:ffffc90007456f70 EFLAGS: 00010246
[  389.026414][ T7811] RAX: 0000000000000000 RBX: ffff88800b6ba000 RCX: 0000000000000001
[  389.026885][ T7811] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[  389.027354][ T7811] RBP: ffffc90007457058 R08: 0000000000000000 R09: 0000000000000000
[  389.027825][ T7811] R10: ffffc90007457088 R11: ffffffff9cb79160 R12: 1ffff92000e8adf2
[  389.028303][ T7811] R13: 00000000000005dc R14: ffffc90007457088 R15: ffff88800b6baf08
[  389.028783][ T7811] FS:  00007f6df483b800(0000) GS:ffff888097ab7000(0000) knlGS:0000000000000000
[  389.029341][ T7811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  389.029737][ T7811] CR2: 00000000004e5ab0 CR3: 0000000010f22002 CR4: 0000000000772ef0
[  389.030216][ T7811] PKRU: 55555554
[  389.030444][ T7811] Call Trace:
[  389.030684][ T7811]  <TASK>
[ 389.030842][ T7811] ? __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) 
[ 389.031257][ T7811] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 389.031640][ T7811] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 389.031947][ T7811] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 389.032282][ T7811] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 389.032619][ T7811] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 389.032953][ T7811] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 389.033284][ T7811] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 389.033618][ T7811] ? ___sys_sendmsg (net/socket.c:2670) 
[ 389.033935][ T7811] ? __sys_sendmsg (net/socket.c:2700) 
[ 389.034257][ T7811] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 389.034591][ T7811] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 389.034988][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 389.035326][ T7811] netif_set_mtu (net/core/dev.c:9652) 
[ 389.035660][ T7811] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 389.035995][ T7811] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 389.036256][ T7811] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 389.036718][ T7811] br_del_if (net/bridge/br_if.c:743) bridge 
[ 389.037074][ T7811] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 389.037413][ T7811] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 389.037742][ T7811] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 389.038065][ T7811] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 389.038481][ T7811] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 389.038809][ T7811] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 389.039132][ T7811] ? __kernel_text_address (kernel/extable.c:79) 
[ 389.039459][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 389.039860][ T7811] ? __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) 
[ 389.040252][ T7811] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 389.040780][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 389.041238][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 389.041821][ T7811] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 389.042176][ T7811] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 389.042603][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 389.042987][ T7811] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 389.043386][ T7811] ? __create_object (mm/kmemleak.c:771) 
[ 389.043906][ T7811] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 389.044434][ T7811] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 389.044969][ T7811] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 389.045649][ T7811] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 389.046206][ T7811] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 389.046790][ T7811] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 389.047357][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 389.047931][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 389.048500][ T7811] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 389.049101][ T7811] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 389.049689][ T7811] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 389.050257][ T7811] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 389.050847][ T7811] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 389.051433][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 389.052021][ T7811] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 389.052534][ T7811] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 389.052972][ T7811] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 389.053434][ T7811] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 389.053969][ T7811] ? 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) 
[ 389.054479][ T7811] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 389.055013][ T7811] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 389.055567][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 389.056146][ T7811] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 389.056767][ T7811] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 389.057339][ T7811] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 389.057938][ T7811] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 389.058488][ T7811] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 389.059066][ T7811] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 389.059814][ T7811] ___sys_sendmsg (net/socket.c:2670) 
[ 389.060380][ T7811] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 389.060992][ T7811] ? __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) 
[ 389.061482][ T7811] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 389.061816][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 389.062145][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 389.062471][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 389.062798][ T7811] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 389.063118][ T7811] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 389.063452][ T7811] __sys_sendmsg (net/socket.c:2700) 
[ 389.063782][ T7811] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 389.064176][ T7811] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 389.064505][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 389.064847][ T7811] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 389.065168][ T7811] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  389.065576][ T7811] RIP: 0033:0x7f6df4a081e7
[ 389.065910][ T7811] 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)
[  389.067064][ T7811] RSP: 002b:00007ffd1116be98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  389.067560][ T7811] RAX: ffffffffffffffda RBX: 00007ffd1116c5c0 RCX: 00007f6df4a081e7
[  389.068040][ T7811] RDX: 0000000000000000 RSI: 00007ffd1116bf00 RDI: 0000000000000005
[  389.068525][ T7811] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  389.069025][ T7811] R10: 00007f6df4905ee8 R11: 0000000000000246 R12: 0000000000000003
[  389.069501][ T7811] R13: 00000000686e1a24 R14: 0000000000499600 R15: 0000000000000000
| [  389.318091][ T7813] ------------[ cut here ]------------
| [ 389.318411][ T7813] WARNING: CPU: 0 PID: 7813 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) 
| [  389.319026][ T7813] Modules linked in: bridge stp llc 8021q vrf veth
| [  389.320054][ T7813] Tainted: [W]=WARN
[  389.320285][ T7813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 389.320683][ T7813] 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) 
[ 389.321002][ T7813] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  389.323365][ T7813] RSP: 0018:ffffc90007456f70 EFLAGS: 00010246
[  389.323762][ T7813] RAX: 0000000000000000 RBX: ffff88800b6ba000 RCX: 0000000000000001
[  389.324219][ T7813] RDX: 0000000000000000 RSI: ffffffff9c69b941 RDI: ffffffff9be555e0
[  389.324697][ T7813] RBP: ffffc90007457058 R08: 0000000000000000 R09: 0000000000000000
[  389.325180][ T7813] R10: ffffc90007457088 R11: ffffffff9cb79160 R12: 1ffff92000e8adf2
[  389.325656][ T7813] R13: 00000000000005dc R14: ffffc90007457088 R15: ffff88800b6baf08
[  389.326110][ T7813] FS:  00007f7226a0c800(0000) GS:ffff888097ab7000(0000) knlGS:0000000000000000
[  389.326648][ T7813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  389.327028][ T7813] CR2: 00000000004e5aa8 CR3: 000000000f73a004 CR4: 0000000000772ef0
[  389.327490][ T7813] PKRU: 55555554
[  389.327731][ T7813] Call Trace:
[  389.327962][ T7813]  <TASK>
[ 389.328116][ T7813] ? __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) 
[ 389.328502][ T7813] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 389.328882][ T7813] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 389.329189][ T7813] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 389.329494][ T7813] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 389.329821][ T7813] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 389.330129][ T7813] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 389.330428][ T7813] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 389.330763][ T7813] ? ___sys_sendmsg (net/socket.c:2670) 
[ 389.331065][ T7813] ? __sys_sendmsg (net/socket.c:2700) 
[ 389.331379][ T7813] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 389.331694][ T7813] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 389.332072][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 389.332397][ T7813] netif_set_mtu (net/core/dev.c:9652) 
[ 389.332731][ T7813] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 389.333053][ T7813] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 389.333284][ T7813] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 389.333712][ T7813] br_del_if (net/bridge/br_if.c:743) bridge 
[ 389.334049][ T7813] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 389.334352][ T7813] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 389.334679][ T7813] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 389.334988][ T7813] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 389.335372][ T7813] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 389.335685][ T7813] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 389.335988][ T7813] ? __kernel_text_address (kernel/extable.c:79) 
[ 389.336295][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 389.336626][ T7813] ? __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) 
[ 389.336941][ T7813] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 389.337319][ T7813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 389.337636][ T7813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 389.337940][ T7813] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 389.338242][ T7813] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 389.338558][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 389.338860][ T7813] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 389.339162][ T7813] ? __create_object (mm/kmemleak.c:771) 
[ 389.339476][ T7813] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 389.339794][ T7813] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 389.340102][ T7813] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 389.340477][ T7813] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 389.340812][ T7813] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 389.341125][ T7813] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 389.341428][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 389.341768][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 389.342076][ T7813] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 389.342379][ T7813] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 389.342694][ T7813] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 389.342995][ T7813] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 389.343300][ T7813] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 389.343616][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 389.343925][ T7813] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 389.344236][ T7813] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 389.344565][ T7813] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 389.344882][ T7813] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 389.345183][ T7813] ? 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) 
[ 389.345486][ T7813] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 389.345800][ T7813] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 389.346100][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 389.346414][ T7813] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 389.346725][ T7813] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 389.347028][ T7813] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 389.347342][ T7813] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 389.347655][ T7813] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 389.347956][ T7813] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 389.348346][ T7813] ___sys_sendmsg (net/socket.c:2670) 
[ 389.348674][ T7813] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 389.348985][ T7813] ? __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) 
[ 389.349363][ T7813] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 389.349677][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 389.349984][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 389.350290][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 389.350601][ T7813] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 389.350915][ T7813] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 389.351244][ T7813] __sys_sendmsg (net/socket.c:2700) 
[ 389.351559][ T7813] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 389.351936][ T7813] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 389.352250][ T7813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 389.352605][ T7813] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 389.352915][ T7813] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  389.353300][ T7813] RIP: 0033:0x7f7226bd91e7
[ 389.353624][ T7813] 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)
[  389.354715][ T7813] RSP: 002b:00007fff47f7d2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  389.355173][ T7813] RAX: ffffffffffffffda RBX: 00007fff47f7da10 RCX: 00007f7226bd91e7
[  389.355641][ T7813] RDX: 0000000000000000 RSI: 00007fff47f7d350 RDI: 0000000000000005
[  389.356095][ T7813] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  389.356572][ T7813] R10: 00007f7226ad6ee8 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