======================================
| [   19.579963][  T299] veth1: entered promiscuous mode
| [   19.582467][  T299] ------------[ cut here ]------------
| [ 19.582850][ T299] WARNING: CPU: 2 PID: 299 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) 
| [   19.583481][  T299] Modules linked in: bridge stp llc vrf veth
[   19.584574][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.585001][ T299] 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) 
[ 19.585342][ T299] 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
[   19.586971][  T299] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   19.587582][  T299] RAX: 0000000000000000 RBX: ffff888004f42000 RCX: 0000000000000001
[   19.588282][  T299] RDX: 0000000000000000 RSI: ffffffffb3e9b941 RDI: ffffffffb36555e0
[   19.588952][  T299] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.589535][  T299] R10: ffffc90000597010 R11: ffffffffb4ca8918 R12: 1ffff920000b2de2
[   19.590038][  T299] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff888004f42f08
[   19.590558][  T299] FS:  00007f538a013800(0000) GS:ffff8880803b7000(0000) knlGS:0000000000000000
[   19.591124][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.591528][  T299] CR2: 00000000004e5aa8 CR3: 000000000b46c005 CR4: 0000000000772ef0
[   19.592022][  T299] PKRU: 55555554
[   19.592268][  T299] Call Trace:
[   19.592515][  T299]  <TASK>
[ 19.592690][ T299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.593029][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.593362][ T299] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.593685][ T299] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.594114][ T299] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.594480][ T299] netif_set_mtu (net/core/dev.c:9652) 
[ 19.594822][ T299] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.595156][ T299] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.595599][ T299] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.595859][ T299] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.596311][ T299] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.596687][ T299] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.597041][ T299] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.597369][ T299] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.597786][ T299] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.598146][ T299] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.598468][ T299] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.598828][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.599162][ T299] ? __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) 
[ 19.599484][ T299] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.599891][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.600219][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.600539][ T299] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.600872][ T299] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.601200][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.601526][ T299] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.601858][ T299] ? __create_object (mm/kmemleak.c:771) 
[ 19.602196][ T299] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.602525][ T299] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.602914][ T299] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.603318][ T299] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.603657][ T299] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.603997][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.604318][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.604652][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.604984][ T299] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.605313][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.605650][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.605980][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.606311][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.606637][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.607016][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.607379][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.607706][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.608055][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.608381][ T299] ? 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) 
[ 19.608711][ T299] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.609050][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.609371][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.609699][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.610033][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.610361][ T299] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.610690][ T299] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.611047][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.611408][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.611843][ T299] ___sys_sendmsg (net/socket.c:2670) 
[ 19.612163][ T299] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.612482][ T299] ? __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) 
[ 19.613173][ T299] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.613499][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.613842][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.614391][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.614709][ T299] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.615047][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.615415][ T299] __sys_sendmsg (net/socket.c:2700) 
[ 19.615746][ T299] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.616158][ T299] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.616501][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.616835][ T299] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.617179][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.617573][  T299] RIP: 0033:0x7f538a1e01e7
[ 19.617917][ T299] 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)
[   19.619527][  T299] RSP: 002b:00007ffc58f9c4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.620246][  T299] RAX: ffffffffffffffda RBX: 00007ffc58f9cc00 RCX: 00007f538a1e01e7
[   19.620724][  T299] RDX: 0000000000000000 RSI: 00007ffc58f9c540 RDI: 0000000000000005
[   19.621206][  T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.621686][  T299] R10: 00000000054a1910 R11: 0000000000000246 R12: 0000000000000004
[   19.622325][  T299] R13: 00000000686e1c43 R14: 0000000000499600 R15: 0000000000000000
| [   19.765590][  T301] ------------[ cut here ]------------
| [ 19.765977][ T301] WARNING: CPU: 2 PID: 301 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) 
| [   19.766601][  T301] Modules linked in: bridge stp llc vrf veth
| [   19.767732][  T301] Tainted: [W]=WARN
[   19.767999][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.768399][ T301] 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) 
[ 19.768735][ T301] 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
[   19.769854][  T301] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   19.770263][  T301] RAX: 0000000000000000 RBX: ffff888004f42000 RCX: 0000000000000001
[   19.770735][  T301] RDX: 0000000000000000 RSI: ffffffffb3e9b941 RDI: ffffffffb36555e0
[   19.771219][  T301] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.771693][  T301] R10: ffffc90000597010 R11: ffffffffb4ca8918 R12: 1ffff920000b2de2
[   19.772211][  T301] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff888004f42f08
[   19.772686][  T301] FS:  00007f3919518800(0000) GS:ffff8880803b7000(0000) knlGS:0000000000000000
[   19.773245][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.773644][  T301] CR2: 00000000004e5ab0 CR3: 0000000008c46001 CR4: 0000000000772ef0
[   19.774131][  T301] PKRU: 55555554
[   19.774379][  T301] Call Trace:
[   19.774623][  T301]  <TASK>
[ 19.774806][ T301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.775130][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.775456][ T301] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.775788][ T301] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.776190][ T301] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.776514][ T301] netif_set_mtu (net/core/dev.c:9652) 
[ 19.776889][ T301] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.777242][ T301] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.777692][ T301] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.777957][ T301] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.778391][ T301] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.778758][ T301] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.779099][ T301] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.779432][ T301] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.779847][ T301] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.780171][ T301] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.780491][ T301] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.780833][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.781158][ T301] ? __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) 
[ 19.781486][ T301] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.781928][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.782254][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.782578][ T301] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.782911][ T301] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.783235][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.783554][ T301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.783895][ T301] ? __create_object (mm/kmemleak.c:771) 
[ 19.784224][ T301] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.784544][ T301] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.784878][ T301] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.785272][ T301] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.785595][ T301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.785934][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.786251][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.786577][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.786962][ T301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.787290][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.787617][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.787952][ T301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.788277][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.788604][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.788942][ T301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.789271][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.789593][ T301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.789942][ T301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.790263][ T301] ? 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) 
[ 19.790586][ T301] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.790924][ T301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.791243][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.791572][ T301] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.791943][ T301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.792268][ T301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.792593][ T301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.792942][ T301] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.793258][ T301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.793662][ T301] ___sys_sendmsg (net/socket.c:2670) 
[ 19.793996][ T301] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.794317][ T301] ? __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) 
[ 19.794713][ T301] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.795049][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.795372][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.795701][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.796029][ T301] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.796356][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.796686][ T301] __sys_sendmsg (net/socket.c:2700) 
[ 19.797061][ T301] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.797459][ T301] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.797818][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.798159][ T301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.798499][ T301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.798923][  T301] RIP: 0033:0x7f39196e51e7
[ 19.799265][ T301] 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)
[   19.800432][  T301] RSP: 002b:00007ffd8fce72c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.800933][  T301] RAX: ffffffffffffffda RBX: 00007ffd8fce79f0 RCX: 00007f39196e51e7
[   19.801412][  T301] RDX: 0000000000000000 RSI: 00007ffd8fce7330 RDI: 0000000000000005
[   19.801940][  T301] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.802425][  T301] R10: 0000000024d77910 R11: 0000000000000246 R12: 0000000000000004
[   19.802908][  T301] R13: 00000000686e1c43 R14: 0000000000499600 R15: 0000000000000000
| [  126.734853][  T604] ------------[ cut here ]------------
| [ 126.735198][ T604] WARNING: CPU: 2 PID: 604 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) 
| [  126.737296][  T604] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
| [  126.738510][  T604] Tainted: [W]=WARN
[  126.738761][  T604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 126.739163][ T604] 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) 
[ 126.739496][ T604] 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
[  126.740614][  T604] RSP: 0018:ffffc90001216f70 EFLAGS: 00010246
[  126.741020][  T604] RAX: 0000000000000000 RBX: ffff888004f42000 RCX: 0000000000000001
[  126.741487][  T604] RDX: 0000000000000000 RSI: ffffffffb3e9b941 RDI: ffffffffb36555e0
[  126.741969][  T604] RBP: ffffc90001217058 R08: 0000000000000000 R09: 0000000000000000
[  126.742437][  T604] R10: ffffc90001217088 R11: ffffffffb0200130 R12: 1ffff92000242df2
[  126.742912][  T604] R13: 00000000000005dc R14: ffffc90001217088 R15: ffff888004f42f08
[  126.743383][  T604] FS:  00007f3c1e597800(0000) GS:ffff8880803b7000(0000) knlGS:0000000000000000
[  126.743930][  T604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  126.744331][  T604] CR2: 00000000004e5aa8 CR3: 000000000e020006 CR4: 0000000000772ef0
[  126.744818][  T604] PKRU: 55555554
[  126.745061][  T604] Call Trace:
[  126.745303][  T604]  <TASK>
[ 126.745470][ T604] ? __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) 
[ 126.745876][ T604] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 126.746241][ T604] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 126.746565][ T604] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 126.746891][ T604] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 126.747219][ T604] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 126.747540][ T604] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 126.747863][ T604] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 126.748184][ T604] ? ___sys_sendmsg (net/socket.c:2670) 
[ 126.748498][ T604] ? __sys_sendmsg (net/socket.c:2700) 
[ 126.748825][ T604] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 126.749142][ T604] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 126.749532][ T604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.749867][ T604] netif_set_mtu (net/core/dev.c:9652) 
[ 126.750185][ T604] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 126.750515][ T604] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 126.750760][ T604] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 126.751203][ T604] br_del_if (net/bridge/br_if.c:743) bridge 
[ 126.751594][ T604] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 126.751923][ T604] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 126.752245][ T604] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 126.752564][ T604] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 126.752967][ T604] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 126.753282][ T604] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 126.753597][ T604] ? __kernel_text_address (kernel/extable.c:79) 
[ 126.753931][ T604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.754250][ T604] ? __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) 
[ 126.754564][ T604] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 126.754963][ T604] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 126.755281][ T604] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 126.755595][ T604] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 126.755920][ T604] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 126.756243][ T604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.756558][ T604] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 126.756880][ T604] ? __create_object (mm/kmemleak.c:771) 
[ 126.757214][ T604] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 126.757531][ T604] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 126.757857][ T604] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 126.758247][ T604] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 126.758568][ T604] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 126.758907][ T604] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 126.759222][ T604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.759543][ T604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.759871][ T604] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 126.760186][ T604] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 126.760506][ T604] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 126.760831][ T604] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 126.761156][ T604] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 126.761481][ T604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.761828][ T604] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 126.762144][ T604] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 126.762460][ T604] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 126.762794][ T604] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 126.763111][ T604] ? 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) 
[ 126.763434][ T604] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 126.763863][ T604] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 126.764177][ T604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.764504][ T604] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 126.764833][ T604] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 126.765151][ T604] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 126.765480][ T604] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 126.765813][ T604] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 126.766137][ T604] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 126.766540][ T604] ___sys_sendmsg (net/socket.c:2670) 
[ 126.766862][ T604] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 126.767191][ T604] ? __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) 
[ 126.767583][ T604] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 126.767913][ T604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.768232][ T604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.768561][ T604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.768886][ T604] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 126.769203][ T604] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 126.769525][ T604] __sys_sendmsg (net/socket.c:2700) 
[ 126.769849][ T604] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 126.770235][ T604] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 126.770564][ T604] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 126.770905][ T604] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 126.771224][ T604] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  126.771611][  T604] RIP: 0033:0x7f3c1e7641e7
[ 126.771948][ T604] 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)
[  126.773056][  T604] RSP: 002b:00007fffcc83d4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  126.773526][  T604] RAX: ffffffffffffffda RBX: 00007fffcc83dbe0 RCX: 00007f3c1e7641e7
[  126.774002][  T604] RDX: 0000000000000000 RSI: 00007fffcc83d520 RDI: 0000000000000005
[  126.774471][  T604] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[  126.774950][  T604] R10: 00007f3c1e661ee8 R11: 0000000000000246 R12: 0000000000000002
[  126.775423][  T604] R13: 00000000686e1cae R14: 0000000000499600 R15: 0000000000000000
| [  126.910515][  T605] ------------[ cut here ]------------
| [ 126.910833][ T605] WARNING: CPU: 1 PID: 605 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) 
| [  126.911428][  T605] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
| [  126.912697][  T605] Tainted: [W]=WARN
[  126.912950][  T605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 126.913331][ T605] 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) 
[ 126.913644][ T605] 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
[  126.915649][  T605] RSP: 0018:ffffc90001216ef0 EFLAGS: 00010246
[  126.916044][  T605] RAX: 0000000000000000 RBX: ffff888004f42000 RCX: 0000000000000001
[  126.916495][  T605] RDX: 0000000000000000 RSI: ffffffffb3e9b941 RDI: ffffffffb36555e0
[  126.916971][  T605] RBP: ffffc90001216fe0 R08: 0000000000000000 R09: 0000000000000000
[  126.917434][  T605] R10: ffffc90001217010 R11: ffffffffb4ca8918 R12: 1ffff92000242de2
[  126.917894][  T605] R13: 00000000000005dc R14: ffffc90001217010 R15: ffff888004f42f08
[  126.918345][  T605] FS:  00007f1c38ef5800(0000) GS:ffff888080337000(0000) knlGS:0000000000000000
[  126.918881][  T605] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  126.919261][  T605] CR2: 00000000004e5aa8 CR3: 0000000005422004 CR4: 0000000000772ef0
[  126.919831][  T605] PKRU: 55555554
[  126.920066][  T605] Call Trace:
[  126.920295][  T605]  <TASK>
[ 126.920452][ T605] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 126.920757][ T605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.921087][ T605] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 126.921399][ T605] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 126.921789][ T605] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 126.922095][ T605] netif_set_mtu (net/core/dev.c:9652) 
[ 126.922396][ T605] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 126.922710][ T605] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 126.923147][ T605] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 126.923381][ T605] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 126.923807][ T605] br_add_if (net/bridge/br_if.c:697) bridge 
[ 126.924158][ T605] do_set_master (net/core/rtnetlink.c:2948) 
[ 126.924466][ T605] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 126.924809][ T605] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 126.925193][ T605] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 126.925496][ T605] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 126.925812][ T605] ? __kernel_text_address (kernel/extable.c:79) 
[ 126.926120][ T605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.926425][ T605] ? __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) 
[ 126.926727][ T605] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 126.927126][ T605] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 126.927435][ T605] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 126.927743][ T605] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 126.928057][ T605] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 126.928362][ T605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.928666][ T605] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 126.928983][ T605] ? __create_object (mm/kmemleak.c:771) 
[ 126.929298][ T605] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 126.929600][ T605] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 126.929910][ T605] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 126.930287][ T605] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 126.930601][ T605] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 126.930924][ T605] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 126.931226][ T605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.931532][ T605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.931846][ T605] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 126.932146][ T605] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 126.932456][ T605] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 126.932759][ T605] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 126.933095][ T605] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 126.933411][ T605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.933720][ T605] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 126.934029][ T605] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 126.934335][ T605] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 126.934646][ T605] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 126.934954][ T605] ? 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) 
[ 126.935283][ T605] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 126.935613][ T605] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 126.935928][ T605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.936236][ T605] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 126.936542][ T605] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 126.936864][ T605] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 126.937191][ T605] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 126.937507][ T605] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 126.937816][ T605] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 126.938206][ T605] ___sys_sendmsg (net/socket.c:2670) 
[ 126.938506][ T605] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 126.938815][ T605] ? __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) 
[ 126.939194][ T605] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 126.939501][ T605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.939822][ T605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.940132][ T605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.940435][ T605] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 126.940739][ T605] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 126.941068][ T605] __sys_sendmsg (net/socket.c:2700) 
[ 126.941410][ T605] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 126.941802][ T605] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 126.942128][ T605] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 126.942432][ T605] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 126.942737][ T605] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  126.943120][  T605] RIP: 0033:0x7f1c390c21e7
[ 126.943433][ T605] 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)
[  126.944527][  T605] RSP: 002b:00007ffe206a2ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  126.945007][  T605] RAX: ffffffffffffffda RBX: 00007ffe206a3610 RCX: 00007f1c390c21e7
[  126.945464][  T605] RDX: 0000000000000000 RSI: 00007ffe206a2f50 RDI: 0000000000000005
[  126.945926][  T605] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  126.946388][  T605] R10: 0000000018935910 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