======================================
| [   20.664958][  T328] br1: port 1(vx10) entered forwarding state
| [   20.666508][  T328] ------------[ cut here ]------------
| [ 20.667130][ T328] WARNING: CPU: 2 PID: 328 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) 
| [   20.668042][  T328] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   20.669764][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.670373][ T328] 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) 
[ 20.670913][ T328] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.672135][  T328] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[   20.672579][  T328] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   20.673101][  T328] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   20.673852][  T328] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.674546][  T328] R10: ffffc900005c7010 R11: ffffffff8a0a8918 R12: 1ffff920000b8de2
[   20.675320][  T328] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff888008cb2f08
[   20.676054][  T328] FS:  00007f2e4f925800(0000) GS:ffff8880a41b7000(0000) knlGS:0000000000000000
[   20.676794][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.677368][  T328] CR2: 00000000004e5ce0 CR3: 000000000d739004 CR4: 0000000000772ef0
[   20.678008][  T328] PKRU: 55555554
[   20.678286][  T328] Call Trace:
[   20.678571][  T328]  <TASK>
[ 20.678757][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.679099][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.679455][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.679792][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.680210][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.680626][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 20.680968][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.681330][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.681814][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.682075][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.682545][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.682921][ T328] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 20.683262][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.683614][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.684036][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.684379][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.684719][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.685065][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.685428][ T328] ? __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) 
[ 20.685774][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.686207][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.686564][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.686916][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.687249][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.687591][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.687938][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.688275][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 20.688629][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.688978][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.689331][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.689752][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.690099][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.690472][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.690811][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.691153][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.691554][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.691931][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.692282][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.692637][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.692988][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.693342][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.693703][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.694051][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.694427][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.694832][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.695206][ T328] ? 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) 
[ 20.695570][ T328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.695925][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.696270][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.696637][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.697500][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.697845][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.698663][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.699010][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.699806][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.700247][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 20.700605][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.700951][ T328] ? __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) 
[ 20.701394][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.701973][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.702336][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.702916][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.703299][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.703647][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.704002][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 20.704598][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.705250][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.705623][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.705970][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.706329][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.706977][  T328] RIP: 0033:0x7f2e4faf21e7
[ 20.707347][ T328] 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)
[   20.709028][  T328] RSP: 002b:00007ffccd0925f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.709552][  T328] RAX: ffffffffffffffda RBX: 00007ffccd092d20 RCX: 00007f2e4faf21e7
[   20.710319][  T328] RDX: 0000000000000000 RSI: 00007ffccd092660 RDI: 0000000000000005
[   20.710823][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.711338][  T328] R10: 0000000011c2b910 R11: 0000000000000246 R12: 0000000000000004
[   20.711868][  T328] R13: 00000000686e66f1 R14: 0000000000499600 R15: 0000000000000000
| [   21.243572][  T333] ------------[ cut here ]------------
| [ 21.243892][ T333] WARNING: CPU: 0 PID: 333 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.244528][  T333] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.245758][  T333] Tainted: [W]=WARN
[   21.246000][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.246403][ T333] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.246727][ T333] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.247863][  T333] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246
[   21.248265][  T333] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   21.248744][  T333] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   21.249224][  T333] RBP: ffffc90000686fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.249705][  T333] R10: ffffc90000687010 R11: ffffffff8a0a8918 R12: 1ffff920000d0de2
[   21.250179][  T333] R13: 00000000000005dc R14: ffffc90000687010 R15: ffff888008cb2f08
[   21.250667][  T333] FS:  00007f55ab149800(0000) GS:ffff8880a40b7000(0000) knlGS:0000000000000000
[   21.251224][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.251627][  T333] CR2: 00000000004e5de8 CR3: 000000000ec2e004 CR4: 0000000000772ef0
[   21.252103][  T333] PKRU: 55555554
[   21.252352][  T333] Call Trace:
[   21.252589][  T333]  <TASK>
[ 21.252753][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.253067][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.253649][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.253971][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.254612][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.254935][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 21.255254][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.255761][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.256203][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.256625][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.257052][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.257557][ T333] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.257877][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.258200][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.258743][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.259057][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.259389][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.259708][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.260024][ T333] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.260358][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.260743][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.261054][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.261375][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.261695][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.262006][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.262327][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.262633][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 21.262951][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.263261][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.263584][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.263974][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.264305][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.264622][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.264926][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.265244][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.265559][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.265869][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.266185][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.266515][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.266828][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.267146][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.267471][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.267780][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.268091][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.268420][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.268738][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.269052][ T333] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.269379][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.269693][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.270012][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.270346][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.270664][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.270989][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.271323][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.271637][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.272041][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 21.272392][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.272709][ T333] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.273101][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.273430][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.273748][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.274069][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.274393][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.274709][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.275035][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 21.275355][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.275740][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.276067][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.276392][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.276709][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.277101][  T333] RIP: 0033:0x7f55ab3161e7
[ 21.277442][ T333] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.278570][  T333] RSP: 002b:00007ffd7a7facf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.279050][  T333] RAX: ffffffffffffffda RBX: 00007ffd7a7fb420 RCX: 00007f55ab3161e7
[   21.279530][  T333] RDX: 0000000000000000 RSI: 00007ffd7a7fad60 RDI: 0000000000000005
[   21.279997][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.280480][  T333] R10: 0000000031a51910 R11: 0000000000000246 R12: 0000000000000004
[   21.280939][  T333] R13: 00000000686e66f2 R14: 0000000000499600 R15: 0000000000000000
| [   21.521691][  T335] ------------[ cut here ]------------
| [ 21.522030][ T335] WARNING: CPU: 3 PID: 335 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) 
| [   21.522846][  T335] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.524396][  T335] Tainted: [W]=WARN
[   21.524702][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.525240][ T335] 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) 
[ 21.525686][ T335] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.526861][  T335] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[   21.527280][  T335] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   21.527941][  T335] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   21.528694][  T335] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.529354][  T335] R10: ffffc90000557010 R11: ffffffff8a0a8918 R12: 1ffff920000aade2
[   21.529909][  T335] R13: 00000000000005dc R14: ffffc90000557010 R15: ffff888008cb2f08
[   21.530536][  T335] FS:  00007f0e32c2f800(0000) GS:ffff8880a4237000(0000) knlGS:0000000000000000
[   21.531202][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.531623][  T335] CR2: 00000000004e5aa8 CR3: 000000000ec1b003 CR4: 0000000000772ef0
[   21.532222][  T335] PKRU: 55555554
[   21.532496][  T335] Call Trace:
[   21.532746][  T335]  <TASK>
[ 21.533001][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.533358][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.533699][ T335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.534029][ T335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.534704][ T335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.535128][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 21.535468][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.535800][ T335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.536274][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.536639][ T335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.537174][ T335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.537601][ T335] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.537969][ T335] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.538396][ T335] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.538896][ T335] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.539312][ T335] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.539656][ T335] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.540054][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.540425][ T335] ? __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) 
[ 21.540754][ T335] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.541263][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.541845][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.542425][ T335] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.542963][ T335] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.543526][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.544085][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.544691][ T335] ? __create_object (mm/kmemleak.c:771) 
[ 21.545262][ T335] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.545843][ T335] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.546408][ T335] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.547059][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.547657][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.548233][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.548812][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.549405][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.549948][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.550524][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.551085][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.551671][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.552235][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.552777][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.553377][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.553951][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.554514][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.555106][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.555695][ T335] ? 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) 
[ 21.556265][ T335] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.556885][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.557447][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.558028][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.558629][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.559200][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.559809][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.560430][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.560997][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.561750][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 21.562330][ T335] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.562897][ T335] ? __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) 
[ 21.563603][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.564225][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.564764][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.565345][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.565902][ T335] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.566468][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.567032][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 21.567588][ T335] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.568274][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.568887][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.569472][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.570028][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.570750][  T335] RIP: 0033:0x7f0e32dfc1e7
[ 21.571346][ T335] 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)
[   21.572554][  T335] RSP: 002b:00007fff97b95aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.573039][  T335] RAX: ffffffffffffffda RBX: 00007fff97b961d0 RCX: 00007f0e32dfc1e7
[   21.573509][  T335] RDX: 0000000000000000 RSI: 00007fff97b95b10 RDI: 0000000000000005
[   21.573966][  T335] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.574446][  T335] R10: 0000000012cc0910 R11: 0000000000000246 R12: 0000000000000004
[   21.574904][  T335] R13: 00000000686e66f2 R14: 0000000000499600 R15: 0000000000000000
| [   21.940763][  T338] ------------[ cut here ]------------
| [ 21.941127][ T338] WARNING: CPU: 3 PID: 338 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) 
| [   21.943379][  T338] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.945527][  T338] Tainted: [W]=WARN
[   21.945848][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.946544][ T338] 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) 
[ 21.946877][ T338] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.948262][  T338] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   21.948746][  T338] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   21.949433][  T338] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   21.949889][  T338] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.950373][  T338] R10: ffffc900005e7010 R11: ffffffff8a0a8918 R12: 1ffff920000bcde2
[   21.950836][  T338] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff888008cb2f08
[   21.951317][  T338] FS:  00007eff78272800(0000) GS:ffff8880a4237000(0000) knlGS:0000000000000000
[   21.952022][  T338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.952730][  T338] CR2: 00000000004e5ab0 CR3: 00000000055bb004 CR4: 0000000000772ef0
[   21.953591][  T338] PKRU: 55555554
[   21.954007][  T338] Call Trace:
[   21.954440][  T338]  <TASK>
[ 21.954720][ T338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.955178][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.955585][ T338] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.956031][ T338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.956701][ T338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.957265][ T338] netif_set_mtu (net/core/dev.c:9652) 
[ 21.957832][ T338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.958418][ T338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.959173][ T338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.959585][ T338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.960070][ T338] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.960448][ T338] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.960769][ T338] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.961094][ T338] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.961500][ T338] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.961804][ T338] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.962144][ T338] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.962593][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.962982][ T338] ? __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) 
[ 21.963338][ T338] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.963758][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.964283][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.964766][ T338] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.965167][ T338] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.965633][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.966159][ T338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.966714][ T338] ? __create_object (mm/kmemleak.c:771) 
[ 21.967257][ T338] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.967823][ T338] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.968390][ T338] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.969056][ T338] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.969635][ T338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.970183][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.970722][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.971275][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.971848][ T338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.972426][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.972985][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.973543][ T338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.974091][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.974692][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.975256][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.975824][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.976396][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.976975][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.977541][ T338] ? 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) 
[ 21.978125][ T338] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.978702][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.979249][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.979836][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.980447][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.981016][ T338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.981584][ T338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.982137][ T338] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.982693][ T338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.983407][ T338] ___sys_sendmsg (net/socket.c:2670) 
[ 21.983949][ T338] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.984513][ T338] ? __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) 
[ 21.985181][ T338] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.985755][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.986330][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.986894][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.987468][ T338] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.988017][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.988606][ T338] __sys_sendmsg (net/socket.c:2700) 
[ 21.989148][ T338] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.989836][ T338] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.990438][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.990998][ T338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.991562][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.992249][  T338] RIP: 0033:0x7eff7843f1e7
[ 21.992833][ T338] 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)
[   21.994774][  T338] RSP: 002b:00007ffde6fe6a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.995633][  T338] RAX: ffffffffffffffda RBX: 00007ffde6fe7170 RCX: 00007eff7843f1e7
[   21.996472][  T338] RDX: 0000000000000000 RSI: 00007ffde6fe6ab0 RDI: 0000000000000005
[   21.997119][  T338] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.997702][  T338] R10: 0000000001b4c910 R11: 0000000000000246 R12: 0000000000000004
[   21.998337][  T338] R13: 00000000686e66f2 R14: 0000000000499600 R15: 0000000000000000
| [   30.991894][  T426] ------------[ cut here ]------------
| [ 30.992465][ T426] WARNING: CPU: 1 PID: 426 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) 
| [   30.993559][  T426] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   30.995891][  T426] Tainted: [W]=WARN
[   30.996330][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.997024][ T426] 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) 
[ 30.997599][ T426] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   30.999817][  T426] RSP: 0018:ffffc90000a66ef0 EFLAGS: 00010246
[   31.000779][  T426] RAX: 0000000000000000 RBX: ffff88800a6d2000 RCX: 0000000000000001
[   31.001866][  T426] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   31.002696][  T426] RBP: ffffc90000a66fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.003577][  T426] R10: ffffc90000a67010 R11: ffffffff89779160 R12: 1ffff9200014cde2
[   31.004444][  T426] R13: 00000000000005dc R14: ffffc90000a67010 R15: ffff88800a6d2f08
[   31.005286][  T426] FS:  00007f933943c800(0000) GS:ffff8880a4137000(0000) knlGS:0000000000000000
[   31.006280][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.006997][  T426] CR2: 00000000004e5ce0 CR3: 00000000060ac006 CR4: 0000000000772ef0
[   31.007855][  T426] PKRU: 55555554
[   31.008278][  T426] Call Trace:
[   31.008703][  T426]  <TASK>
[ 31.008980][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.009566][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.010172][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.010762][ T426] netif_set_mtu (net/core/dev.c:9652) 
[ 31.011357][ T426] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.011958][ T426] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.012403][ T426] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.013205][ T426] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.013857][ T426] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 31.014442][ T426] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.015021][ T426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.015760][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.016352][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.016918][ T426] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.017532][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.018102][ T426] ? __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) 
[ 31.018687][ T426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.019403][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.019972][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.020478][ T426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.020806][ T426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.021145][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.021483][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.021806][ T426] ? __create_object (mm/kmemleak.c:771) 
[ 31.022139][ T426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.022472][ T426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.022804][ T426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.023205][ T426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.023548][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.023879][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.024200][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.024540][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.024863][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.025182][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.025517][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.025839][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.026165][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.026506][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.026834][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.027164][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.027497][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.027833][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.028152][ T426] ? 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) 
[ 31.028485][ T426] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.028817][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.029138][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.029473][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.029803][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.030127][ T426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.030488][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.030817][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.031142][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.031571][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 31.031891][ T426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.032213][ T426] ? __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) 
[ 31.032626][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.032952][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.033277][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.033621][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.033948][ T426] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.034278][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.034622][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 31.034944][ T426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.035360][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.035705][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.036035][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.036370][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.036777][  T426] RIP: 0033:0x7f93396091e7
[ 31.037112][ T426] 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)
[   31.038274][  T426] RSP: 002b:00007ffd4d431508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.038780][  T426] RAX: ffffffffffffffda RBX: 00007ffd4d431c30 RCX: 00007f93396091e7
[   31.039271][  T426] RDX: 0000000000000000 RSI: 00007ffd4d431570 RDI: 0000000000000005
[   31.039775][  T426] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.040270][  T426] R10: 000000002468f910 R11: 0000000000000246 R12: 0000000000000004
[   31.040778][  T426] R13: 00000000686e66fb R14: 0000000000499600 R15: 0000000000000000
| [   31.515911][  T430] ------------[ cut here ]------------
| [ 31.516267][ T430] WARNING: CPU: 3 PID: 430 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) 
| [   31.516913][  T430] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.518491][  T430] Tainted: [W]=WARN
[   31.518745][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.519145][ T430] 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) 
[ 31.519483][ T430] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.520646][  T430] RSP: 0018:ffffc90000666ef0 EFLAGS: 00010246
[   31.521053][  T430] RAX: 0000000000000000 RBX: ffff88800a6d2000 RCX: 0000000000000001
[   31.521539][  T430] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   31.522030][  T430] RBP: ffffc90000666fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.522676][  T430] R10: ffffc90000667010 R11: ffffffff89779160 R12: 1ffff920000ccde2
[   31.523157][  T430] R13: 00000000000005dc R14: ffffc90000667010 R15: ffff88800a6d2f08
[   31.523767][  T430] FS:  00007f1eb90e8800(0000) GS:ffff8880a4237000(0000) knlGS:0000000000000000
[   31.524339][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.524745][  T430] CR2: 00000000004e5de8 CR3: 000000000d6a9003 CR4: 0000000000772ef0
[   31.525229][  T430] PKRU: 55555554
[   31.525477][  T430] Call Trace:
[   31.525721][  T430]  <TASK>
[ 31.525887][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.526210][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.526554][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.526880][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 31.527215][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.527565][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.527813][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.528258][ T430] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.528633][ T430] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 31.528958][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.529284][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.529708][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.530026][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.530370][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.530696][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.531018][ T430] ? __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) 
[ 31.531350][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.531760][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.532089][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.532422][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.532744][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.533067][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.533400][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.533721][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 31.534057][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.534394][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.534732][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.535140][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.535482][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.535813][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.536136][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.536481][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.536809][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.537132][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.537464][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.537784][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.538108][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.538442][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.538770][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.539092][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.539424][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.539760][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.540080][ T430] ? 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) 
[ 31.540422][ T430] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.540747][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.541066][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.541406][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.541729][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.542053][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.542409][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.542739][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.543058][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.543482][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 31.543804][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.544123][ T430] ? __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) 
[ 31.544543][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.544867][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.545190][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.545532][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.545859][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.546176][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.546517][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 31.546842][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.547239][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.547589][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.547913][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.548231][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.548639][  T430] RIP: 0033:0x7f1eb92b51e7
[ 31.548970][ T430] 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)
[   31.550124][  T430] RSP: 002b:00007ffe587c33b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.550627][  T430] RAX: ffffffffffffffda RBX: 00007ffe587c3ae0 RCX: 00007f1eb92b51e7
[   31.551102][  T430] RDX: 0000000000000000 RSI: 00007ffe587c3420 RDI: 0000000000000005
[   31.551594][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.552068][  T430] R10: 0000000027f91910 R11: 0000000000000246 R12: 0000000000000004
[   31.552556][  T430] R13: 00000000686e66fc R14: 0000000000499600 R15: 0000000000000000
| [   31.782920][  T432] ------------[ cut here ]------------
| [ 31.783232][ T432] WARNING: CPU: 1 PID: 432 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) 
| [   31.783840][  T432] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.785119][  T432] Tainted: [W]=WARN
[   31.786588][  T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.786970][ T432] 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) 
[ 31.787451][ T432] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.788679][  T432] RSP: 0018:ffffc900004e6ef0 EFLAGS: 00010246
[   31.789070][  T432] RAX: 0000000000000000 RBX: ffff88800a6d2000 RCX: 0000000000000001
[   31.789534][  T432] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   31.789995][  T432] RBP: ffffc900004e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.790465][  T432] R10: ffffc900004e7010 R11: ffffffff8a0a8918 R12: 1ffff9200009cde2
[   31.790921][  T432] R13: 00000000000005dc R14: ffffc900004e7010 R15: ffff88800a6d2f08
[   31.791384][  T432] FS:  00007f644a03b800(0000) GS:ffff8880a4137000(0000) knlGS:0000000000000000
[   31.791922][  T432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.792325][  T432] CR2: 00000000004e6890 CR3: 000000000d51c002 CR4: 0000000000772ef0
[   31.792783][  T432] PKRU: 55555554
[   31.793009][  T432] Call Trace:
[   31.793235][  T432]  <TASK>
[ 31.793402][ T432] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.793715][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.794025][ T432] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 31.794336][ T432] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 31.794715][ T432] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 31.795020][ T432] netif_set_mtu (net/core/dev.c:9652) 
[ 31.795333][ T432] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.795648][ T432] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 31.796077][ T432] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.796328][ T432] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.796738][ T432] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.797083][ T432] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 31.797402][ T432] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.797716][ T432] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.798105][ T432] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.798424][ T432] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.798726][ T432] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.799037][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.799353][ T432] ? __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) 
[ 31.799663][ T432] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.800039][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.800375][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.800686][ T432] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.800991][ T432] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.801323][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.801628][ T432] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.801930][ T432] ? __create_object (mm/kmemleak.c:771) 
[ 31.802237][ T432] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.802549][ T432] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.802858][ T432] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.803245][ T432] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.803564][ T432] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.803873][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.804178][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.804506][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.804812][ T432] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.805114][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.805432][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.805740][ T432] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.806048][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.806365][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.806674][ T432] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.806980][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.807286][ T432] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.807614][ T432] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.807922][ T432] ? 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) 
[ 31.808229][ T432] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.808555][ T432] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.808864][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.809172][ T432] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.809489][ T432] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.809804][ T432] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.810119][ T432] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.810442][ T432] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.810745][ T432] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.811135][ T432] ___sys_sendmsg (net/socket.c:2670) 
[ 31.811446][ T432] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.811756][ T432] ? __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) 
[ 31.812135][ T432] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.812466][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.812783][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.813094][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.813407][ T432] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.813710][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.814025][ T432] __sys_sendmsg (net/socket.c:2700) 
[ 31.814334][ T432] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.814714][ T432] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.815032][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.815349][ T432] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.815654][ T432] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.816031][  T432] RIP: 0033:0x7f644a2081e7
[ 31.816360][ T432] 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)
[   31.817461][  T432] RSP: 002b:00007ffe1cfc80d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.817920][  T432] RAX: ffffffffffffffda RBX: 00007ffe1cfc8800 RCX: 00007f644a2081e7
[   31.818384][  T432] RDX: 0000000000000000 RSI: 00007ffe1cfc8140 RDI: 0000000000000005
[   31.818840][  T432] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.819306][  T432] R10: 000000003ebfe910 R11: 0000000000000246 R12: 0000000000000004
[   31.819763][  T432] R13: 00000000686e66fc R14: 0000000000499600 R15: 0000000000000000
| [   32.178087][  T435] ------------[ cut here ]------------
| [ 32.178438][ T435] WARNING: CPU: 3 PID: 435 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) 
| [   32.179059][  T435] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.180695][  T435] Tainted: [W]=WARN
[   32.180944][  T435] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.181511][ T435] 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) 
[ 32.181829][ T435] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.182936][  T435] RSP: 0018:ffffc90000ab6ef0 EFLAGS: 00010246
[   32.183334][  T435] RAX: 0000000000000000 RBX: ffff88800a6d2000 RCX: 0000000000000001
[   32.183801][  T435] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   32.184259][  T435] RBP: ffffc90000ab6fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.184727][  T435] R10: ffffc90000ab7010 R11: ffffffff8a0a8918 R12: 1ffff92000156de2
[   32.185188][  T435] R13: 00000000000005dc R14: ffffc90000ab7010 R15: ffff88800a6d2f08
[   32.185662][  T435] FS:  00007fbfb1545800(0000) GS:ffff8880a4237000(0000) knlGS:0000000000000000
[   32.186196][  T435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.186599][  T435] CR2: 00000000004e6890 CR3: 000000000c4db005 CR4: 0000000000772ef0
[   32.187067][  T435] PKRU: 55555554
[   32.187306][  T435] Call Trace:
[   32.187537][  T435]  <TASK>
[ 32.187703][ T435] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.188009][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.188328][ T435] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.188633][ T435] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.189011][ T435] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.189326][ T435] netif_set_mtu (net/core/dev.c:9652) 
[ 32.189636][ T435] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.189957][ T435] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.190411][ T435] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.190643][ T435] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.191056][ T435] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.191409][ T435] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 32.191718][ T435] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.192029][ T435] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.192427][ T435] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.192736][ T435] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.193038][ T435] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.193355][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.193662][ T435] ? __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) 
[ 32.193965][ T435] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.194372][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.194684][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.194986][ T435] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.195322][ T435] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.195629][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.195932][ T435] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.196233][ T435] ? __create_object (mm/kmemleak.c:771) 
[ 32.196549][ T435] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.196854][ T435] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.197164][ T435] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.197551][ T435] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.197861][ T435] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.198170][ T435] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.198494][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.198809][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.199114][ T435] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.199430][ T435] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.199735][ T435] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.200036][ T435] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.200358][ T435] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.200666][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.200972][ T435] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.201325][ T435] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.201634][ T435] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.201958][ T435] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.202260][ T435] ? 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) 
[ 32.202588][ T435] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 32.202915][ T435] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.203217][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.203535][ T435] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.203844][ T435] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.204158][ T435] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.204483][ T435] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.204790][ T435] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.205093][ T435] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.205486][ T435] ___sys_sendmsg (net/socket.c:2670) 
[ 32.205789][ T435] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.206092][ T435] ? __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) 
[ 32.206498][ T435] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.206808][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.207115][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.207433][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.207741][ T435] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.208043][ T435] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.208362][ T435] __sys_sendmsg (net/socket.c:2700) 
[ 32.208668][ T435] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.209043][ T435] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.209366][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.209673][ T435] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.209976][ T435] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.210381][  T435] RIP: 0033:0x7fbfb17121e7
[ 32.210697][ T435] 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)
[   32.211793][  T435] RSP: 002b:00007ffe8a32a1f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.212254][  T435] RAX: ffffffffffffffda RBX: 00007ffe8a32a920 RCX: 00007fbfb17121e7
[   32.212717][  T435] RDX: 0000000000000000 RSI: 00007ffe8a32a260 RDI: 0000000000000005
[   32.213186][  T435] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.213646][  T435] R10: 000000002daf8910 R11: 0000000000000246 R12: 0000000000000004
[   32.214109][  T435] R13: 00000000686e66fc R14: 0000000000499600 R15: 0000000000000000
| [   65.247364][  T675] ------------[ cut here ]------------
| [ 65.247693][ T675] WARNING: CPU: 0 PID: 675 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) 
| [   65.248925][  T675] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   65.250237][  T675] Tainted: [W]=WARN
[   65.250509][  T675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 65.250894][ T675] 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) 
[ 65.251218][ T675] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   65.252377][  T675] RSP: 0018:ffffc900013f6f70 EFLAGS: 00010246
[   65.252808][  T675] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   65.253284][  T675] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   65.253767][  T675] RBP: ffffc900013f7058 R08: 0000000000000000 R09: 0000000000000000
[   65.254232][  T675] R10: ffffc900013f7088 R11: ffffffff865224d4 R12: 1ffff9200027edf2
[   65.254707][  T675] R13: 00000000000005dc R14: ffffc900013f7088 R15: ffff888008cb2f08
[   65.255168][  T675] FS:  00007f73afbdf800(0000) GS:ffff8880a40b7000(0000) knlGS:0000000000000000
[   65.255715][  T675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.256114][  T675] CR2: 00000000004e5ab0 CR3: 000000000ad5b006 CR4: 0000000000772ef0
[   65.256614][  T675] PKRU: 55555554
[   65.256873][  T675] Call Trace:
[   65.257102][  T675]  <TASK>
[ 65.257264][ T675] ? __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) 
[ 65.257678][ T675] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 65.258022][ T675] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 65.258361][ T675] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.258678][ T675] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 65.258984][ T675] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 65.259322][ T675] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.259629][ T675] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.259946][ T675] ? ___sys_sendmsg (net/socket.c:2670) 
[ 65.260255][ T675] ? __sys_sendmsg (net/socket.c:2700) 
[ 65.260596][ T675] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.260940][ T675] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 65.261336][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.261663][ T675] netif_set_mtu (net/core/dev.c:9652) 
[ 65.261969][ T675] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 65.262310][ T675] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 65.262547][ T675] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 65.262963][ T675] br_del_if (net/bridge/br_if.c:743) bridge 
[ 65.263311][ T675] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 65.263618][ T675] do_set_master (net/core/rtnetlink.c:2932) 
[ 65.263924][ T675] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.264243][ T675] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 65.264668][ T675] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 65.264996][ T675] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 65.265323][ T675] ? __kernel_text_address (kernel/extable.c:79) 
[ 65.265635][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.265949][ T675] ? __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) 
[ 65.266271][ T675] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 65.266676][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.266998][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.267324][ T675] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 65.267640][ T675] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 65.267952][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.268270][ T675] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 65.268618][ T675] ? __create_object (mm/kmemleak.c:771) 
[ 65.268973][ T675] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 65.269313][ T675] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 65.269640][ T675] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 65.270041][ T675] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 65.270392][ T675] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 65.270727][ T675] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.271047][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.271387][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.271714][ T675] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 65.272033][ T675] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.272382][ T675] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.272729][ T675] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 65.273058][ T675] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.273393][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.273719][ T675] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 65.274052][ T675] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.274383][ T675] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 65.274716][ T675] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 65.275036][ T675] ? 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) 
[ 65.275369][ T675] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 65.275694][ T675] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 65.276014][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.276369][ T675] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.276699][ T675] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 65.277005][ T675] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 65.277332][ T675] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.277640][ T675] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 65.277944][ T675] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 65.278341][ T675] ___sys_sendmsg (net/socket.c:2670) 
[ 65.278653][ T675] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 65.278956][ T675] ? __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) 
[ 65.279343][ T675] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 65.279652][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.279959][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.280330][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.280665][ T675] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 65.280985][ T675] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.281324][ T675] __sys_sendmsg (net/socket.c:2700) 
[ 65.281639][ T675] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 65.282036][ T675] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 65.282376][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.282705][ T675] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.283014][ T675] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   65.283401][  T675] RIP: 0033:0x7f73afdac1e7
[ 65.283727][ T675] 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)
[   65.284854][  T675] RSP: 002b:00007ffec5043c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.285362][  T675] RAX: ffffffffffffffda RBX: 00007ffec50443b0 RCX: 00007f73afdac1e7
[   65.285826][  T675] RDX: 0000000000000000 RSI: 00007ffec5043cf0 RDI: 0000000000000005
[   65.286299][  T675] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   65.286753][  T675] R10: 00007f73afca9ee8 R11: 0000000000000246 R12: 0000000000000003
[   65.287214][  T675] R13: 00000000686e671e R14: 0000000000499600 R15: 0000000000000000
| [   65.668523][  T678] ------------[ cut here ]------------
| [ 65.668903][ T678] WARNING: CPU: 0 PID: 678 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) 
| [   65.669592][  T678] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   65.670928][  T678] Tainted: [W]=WARN
[   65.671158][  T678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 65.671602][ T678] 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) 
[ 65.671940][ T678] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   65.673108][  T678] RSP: 0018:ffffc90001406f70 EFLAGS: 00010246
[   65.673539][  T678] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   65.674028][  T678] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   65.674536][  T678] RBP: ffffc90001407058 R08: 0000000000000000 R09: 0000000000000000
[   65.675017][  T678] R10: ffffc90001407088 R11: ffffffff89779160 R12: 1ffff92000280df2
[   65.675518][  T678] R13: 00000000000005dc R14: ffffc90001407088 R15: ffff888008cb2f08
[   65.676004][  T678] FS:  00007f9e6f737800(0000) GS:ffff8880a40b7000(0000) knlGS:0000000000000000
[   65.676581][  T678] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.676983][  T678] CR2: 00000000004e5aa8 CR3: 000000000d793004 CR4: 0000000000772ef0
[   65.677495][  T678] PKRU: 55555554
[   65.677737][  T678] Call Trace:
[   65.677977][  T678]  <TASK>
[ 65.678148][ T678] ? __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) 
[ 65.678572][ T678] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 65.678933][ T678] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 65.679256][ T678] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.679602][ T678] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 65.679924][ T678] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 65.680244][ T678] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.680588][ T678] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.680901][ T678] ? ___sys_sendmsg (net/socket.c:2670) 
[ 65.681214][ T678] ? __sys_sendmsg (net/socket.c:2700) 
[ 65.681541][ T678] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.681848][ T678] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 65.682230][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.682583][ T678] netif_set_mtu (net/core/dev.c:9652) 
[ 65.682909][ T678] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 65.683255][ T678] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 65.683520][ T678] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 65.683937][ T678] br_del_if (net/bridge/br_if.c:743) bridge 
[ 65.684308][ T678] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 65.684618][ T678] do_set_master (net/core/rtnetlink.c:2932) 
[ 65.684926][ T678] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.685241][ T678] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 65.685657][ T678] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 65.685962][ T678] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 65.686272][ T678] ? __kernel_text_address (kernel/extable.c:79) 
[ 65.686623][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.686937][ T678] ? __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) 
[ 65.687243][ T678] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 65.687640][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.687955][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.688258][ T678] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 65.688586][ T678] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 65.688894][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.689213][ T678] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 65.689542][ T678] ? __create_object (mm/kmemleak.c:771) 
[ 65.689850][ T678] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 65.690157][ T678] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 65.690513][ T678] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 65.690915][ T678] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 65.691232][ T678] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 65.691566][ T678] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.691874][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.692188][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.692532][ T678] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 65.692838][ T678] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.693152][ T678] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.693497][ T678] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 65.693814][ T678] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.694126][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.694464][ T678] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 65.694769][ T678] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.695079][ T678] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 65.695428][ T678] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 65.695731][ T678] ? 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) 
[ 65.696038][ T678] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 65.696372][ T678] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 65.696677][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.696994][ T678] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.697334][ T678] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 65.697650][ T678] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 65.697961][ T678] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.698278][ T678] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 65.698608][ T678] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 65.699000][ T678] ___sys_sendmsg (net/socket.c:2670) 
[ 65.699328][ T678] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 65.699650][ T678] ? __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) 
[ 65.700036][ T678] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 65.700381][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.700699][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.701011][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.701351][ T678] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 65.701666][ T678] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.701982][ T678] __sys_sendmsg (net/socket.c:2700) 
[ 65.702325][ T678] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 65.702727][ T678] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 65.703062][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.703408][ T678] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.703722][ T678] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   65.704110][  T678] RIP: 0033:0x7f9e6f9041e7
[ 65.704458][ T678] 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)
[   65.705573][  T678] RSP: 002b:00007ffd0bba9028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.706036][  T678] RAX: ffffffffffffffda RBX: 00007ffd0bba9750 RCX: 00007f9e6f9041e7
[   65.706519][  T678] RDX: 0000000000000000 RSI: 00007ffd0bba9090 RDI: 0000000000000005
[   65.706981][  T678] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   65.707468][  T678] R10: 00007f9e6f801ee8 R11: 0000000000000246 R12: 0000000000000003
[   65.707925][  T678] R13: 00000000686e671e R14: 0000000000499600 R15: 0000000000000000
| [   65.931442][  T680] ------------[ cut here ]------------
| [ 65.931801][ T680] WARNING: CPU: 2 PID: 680 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) 
| [   65.933005][  T680] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   65.934360][  T680] Tainted: [W]=WARN
[   65.934606][  T680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 65.935011][ T680] 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) 
[ 65.935353][ T680] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   65.936500][  T680] RSP: 0018:ffffc90001426f70 EFLAGS: 00010246
[   65.936908][  T680] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   65.937416][  T680] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   65.937900][  T680] RBP: ffffc90001427058 R08: 0000000000000000 R09: 0000000000000000
[   65.938391][  T680] R10: ffffc90001427088 R11: ffffffff89779160 R12: 1ffff92000284df2
[   65.938868][  T680] R13: 00000000000005dc R14: ffffc90001427088 R15: ffff888008cb2f08
[   65.939360][  T680] FS:  00007f7943f5f800(0000) GS:ffff8880a41b7000(0000) knlGS:0000000000000000
[   65.939937][  T680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.940369][  T680] CR2: 00000000004e5de8 CR3: 0000000005b50005 CR4: 0000000000772ef0
[   65.940866][  T680] PKRU: 55555554
[   65.941114][  T680] Call Trace:
[   65.941381][  T680]  <TASK>
[ 65.941552][ T680] ? __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) 
[ 65.941954][ T680] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 65.942337][ T680] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 65.942658][ T680] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.942975][ T680] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 65.943322][ T680] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 65.943642][ T680] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.943964][ T680] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.944303][ T680] ? ___sys_sendmsg (net/socket.c:2670) 
[ 65.944637][ T680] ? __sys_sendmsg (net/socket.c:2700) 
[ 65.944974][ T680] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.945320][ T680] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 65.945728][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.946055][ T680] netif_set_mtu (net/core/dev.c:9652) 
[ 65.946397][ T680] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 65.946741][ T680] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 65.946997][ T680] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 65.947464][ T680] br_del_if (net/bridge/br_if.c:743) bridge 
[ 65.947822][ T680] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 65.948141][ T680] do_set_master (net/core/rtnetlink.c:2932) 
[ 65.948501][ T680] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.948836][ T680] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 65.949263][ T680] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 65.949596][ T680] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 65.949923][ T680] ? __kernel_text_address (kernel/extable.c:79) 
[ 65.950257][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.950620][ T680] ? __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) 
[ 65.950952][ T680] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 65.951369][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.951689][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.952008][ T680] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 65.952345][ T680] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 65.952666][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.952989][ T680] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 65.953347][ T680] ? __create_object (mm/kmemleak.c:771) 
[ 65.953671][ T680] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 65.953992][ T680] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 65.954344][ T680] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 65.954749][ T680] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 65.955076][ T680] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 65.955415][ T680] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.955730][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.956059][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.956401][ T680] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 65.956725][ T680] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.957051][ T680] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.957398][ T680] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 65.957729][ T680] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.958050][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.958409][ T680] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 65.958735][ T680] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.959064][ T680] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 65.959416][ T680] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 65.959733][ T680] ? 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) 
[ 65.960066][ T680] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 65.960421][ T680] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 65.960741][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.961080][ T680] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.961431][ T680] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 65.961751][ T680] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 65.962077][ T680] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.962423][ T680] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 65.962759][ T680] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 65.963174][ T680] ___sys_sendmsg (net/socket.c:2670) 
[ 65.963511][ T680] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 65.963850][ T680] ? __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) 
[ 65.964244][ T680] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 65.964582][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.964919][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.965257][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.965589][ T680] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 65.965909][ T680] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.966237][ T680] __sys_sendmsg (net/socket.c:2700) 
[ 65.966573][ T680] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 65.966964][ T680] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 65.967327][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.967654][ T680] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.967980][ T680] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   65.968389][  T680] RIP: 0033:0x7f794412c1e7
[ 65.968729][ T680] 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)
[   65.969874][  T680] RSP: 002b:00007ffdf87b9398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.970386][  T680] RAX: ffffffffffffffda RBX: 00007ffdf87b9ac0 RCX: 00007f794412c1e7
[   65.970853][  T680] RDX: 0000000000000000 RSI: 00007ffdf87b9400 RDI: 0000000000000005
[   65.971342][  T680] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   65.971826][  T680] R10: 00007f7944029ee8 R11: 0000000000000246 R12: 0000000000000003
[   65.972324][  T680] R13: 00000000686e671e R14: 0000000000499600 R15: 0000000000000000
| [   66.509951][  T684] ------------[ cut here ]------------
| [ 66.510337][ T684] WARNING: CPU: 2 PID: 684 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) 
| [   66.510996][  T684] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   66.513060][  T684] Tainted: [W]=WARN
[   66.513330][  T684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 66.513725][ T684] 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) 
[ 66.514052][ T684] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   66.515163][  T684] RSP: 0018:ffffc90001456f70 EFLAGS: 00010246
[   66.515608][  T684] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   66.516086][  T684] RDX: 0000000000000000 RSI: ffffffff8929b939 RDI: ffffffff88a555e0
[   66.516565][  T684] RBP: ffffc90001457058 R08: 0000000000000000 R09: 0000000000000000
[   66.517045][  T684] R10: ffffc90001457088 R11: ffffffff89779160 R12: 1ffff9200028adf2
[   66.517533][  T684] R13: 00000000000005dc R14: ffffc90001457088 R15: ffff888008cb2f08
[   66.518007][  T684] FS:  00007fda8e1a7800(0000) GS:ffff8880a41b7000(0000) knlGS:0000000000000000
[   66.518578][  T684] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.518975][  T684] CR2: 00000000004e5ce0 CR3: 000000000fc86002 CR4: 0000000000772ef0
[   66.519474][  T684] PKRU: 55555554
[   66.519734][  T684] Call Trace:
[   66.519988][  T684]  <TASK>
[ 66.520163][ T684] ? __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) 
[ 66.520601][ T684] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 66.520968][ T684] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 66.521309][ T684] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 66.521635][ T684] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 66.521954][ T684] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 66.522306][ T684] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.522624][ T684] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.522941][ T684] ? ___sys_sendmsg (net/socket.c:2670) 
[ 66.523267][ T684] ? __sys_sendmsg (net/socket.c:2700) 
[ 66.523595][ T684] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.523926][ T684] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 66.524340][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.524677][ T684] netif_set_mtu (net/core/dev.c:9652) 
[ 66.525002][ T684] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 66.525350][ T684] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 66.525595][ T684] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 66.526032][ T684] br_del_if (net/bridge/br_if.c:743) bridge 
[ 66.526403][ T684] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 66.526727][ T684] do_set_master (net/core/rtnetlink.c:2932) 
[ 66.527062][ T684] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 66.527421][ T684] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 66.527843][ T684] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 66.528174][ T684] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 66.528522][ T684] ? __kernel_text_address (kernel/extable.c:79) 
[ 66.528861][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.529200][ T684] ? __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) 
[ 66.529545][ T684] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 66.529950][ T684] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.530268][ T684] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.530641][ T684] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 66.530967][ T684] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 66.531315][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.531651][ T684] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 66.531987][ T684] ? __create_object (mm/kmemleak.c:771) 
[ 66.532338][ T684] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 66.532685][ T684] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 66.533020][ T684] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 66.533453][ T684] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 66.533786][ T684] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 66.534111][ T684] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.534450][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.534788][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.535122][ T684] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 66.535471][ T684] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.535811][ T684] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.536146][ T684] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 66.536497][ T684] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.536839][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.537170][ T684] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 66.537513][ T684] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.537839][ T684] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 66.538170][ T684] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 66.538504][ T684] ? 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) 
[ 66.538827][ T684] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 66.539147][ T684] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 66.539479][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.539810][ T684] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.540145][ T684] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 66.540491][ T684] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 66.540826][ T684] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.541161][ T684] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 66.541496][ T684] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 66.541899][ T684] ___sys_sendmsg (net/socket.c:2670) 
[ 66.542227][ T684] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 66.542571][ T684] ? __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) 
[ 66.542976][ T684] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 66.543311][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.543633][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.543961][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.544303][ T684] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 66.544623][ T684] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.544964][ T684] __sys_sendmsg (net/socket.c:2700) 
[ 66.545310][ T684] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 66.545715][ T684] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 66.546045][ T684] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.546393][ T684] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.546712][ T684] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   66.547098][  T684] RIP: 0033:0x7fda8e3741e7
[ 66.547447][ T684] 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)
[   66.548574][  T684] RSP: 002b:00007ffed9937da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.549066][  T684] RAX: ffffffffffffffda RBX: 00007ffed99384d0 RCX: 00007fda8e3741e7
[   66.549575][  T684] RDX: 0000000000000000 RSI: 00007ffed9937e10 RDI: 0000000000000005
[   66.550053][  T684] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   66.550558][  T684] R10: 00007fda8e271ee8 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