======================================
| [   44.500648][  T523] br1: port 1(vx1) entered forwarding state
| [   44.501948][  T523] ------------[ cut here ]------------
| [ 44.502310][ T523] WARNING: CPU: 1 PID: 523 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) 
| [   44.502943][  T523] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
[   44.504383][  T523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.504923][ T523] 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) 
[ 44.505243][ T523] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.506411][  T523] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   44.506817][  T523] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[   44.507277][  T523] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[   44.507745][  T523] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   44.508223][  T523] R10: ffffc900005a7010 R11: ffffffffbc6a8918 R12: 1ffff920000b4de2
[   44.508699][  T523] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff88800b0daf08
[   44.509159][  T523] FS:  00007f8d53a47800(0000) GS:ffff888071b37000(0000) knlGS:0000000000000000
[   44.509703][  T523] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.510102][  T523] CR2: 00000000004e5760 CR3: 000000000a411006 CR4: 0000000000772ef0
[   44.510570][  T523] PKRU: 55555554
[   44.510810][  T523] Call Trace:
[   44.511039][  T523]  <TASK>
[ 44.511204][ T523] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.511539][ T523] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.511863][ T523] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 44.512170][ T523] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 44.512567][ T523] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 44.512875][ T523] netif_set_mtu (net/core/dev.c:9652) 
[ 44.513187][ T523] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.513504][ T523] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 44.513942][ T523] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.514174][ T523] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 44.514606][ T523] br_add_if (net/bridge/br_if.c:697) bridge 
[ 44.514959][ T523] do_set_master (net/core/rtnetlink.c:2948) 
[ 44.515273][ T523] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.515602][ T523] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.515991][ T523] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.516301][ T523] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.516616][ T523] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.516930][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.517242][ T523] ? __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) 
[ 44.517560][ T523] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.517945][ T523] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.518252][ T523] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.518565][ T523] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.518868][ T523] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.519174][ T523] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.519480][ T523] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.519795][ T523] ? __create_object (mm/kmemleak.c:771) 
[ 44.520112][ T523] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.520419][ T523] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.520742][ T523] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.521124][ T523] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.521436][ T523] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.521767][ T523] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.522074][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.522390][ T523] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.522713][ T523] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.523017][ T523] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.523325][ T523] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.523645][ T523] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.523951][ T523] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.524259][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.524579][ T523] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.524889][ T523] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.525198][ T523] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.525529][ T523] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.525835][ T523] ? 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) 
[ 44.526140][ T523] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.526449][ T523] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.526763][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.527078][ T523] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.527386][ T523] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.527702][ T523] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.528014][ T523] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.528328][ T523] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.528642][ T523] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.529034][ T523] ___sys_sendmsg (net/socket.c:2670) 
[ 44.529339][ T523] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.529658][ T523] ? __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) 
[ 44.530039][ T523] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.530346][ T523] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.530666][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.530978][ T523] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.531285][ T523] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.531610][ T523] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.531928][ T523] __sys_sendmsg (net/socket.c:2700) 
[ 44.532234][ T523] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.532624][ T523] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.532942][ T523] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.533250][ T523] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.533569][ T523] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.533952][  T523] RIP: 0033:0x7f8d53c141e7
[ 44.534294][ T523] 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)
[   44.535401][  T523] RSP: 002b:00007fff00d02848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.535877][  T523] RAX: ffffffffffffffda RBX: 00007fff00d02f70 RCX: 00007f8d53c141e7
[   44.536341][  T523] RDX: 0000000000000000 RSI: 00007fff00d028b0 RDI: 0000000000000005
[   44.536823][  T523] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   44.537284][  T523] R10: 0000000018923910 R11: 0000000000000246 R12: 0000000000000004
[   44.537759][  T523] R13: 00000000686e17d2 R14: 0000000000499600 R15: 0000000000000000
| [   44.661560][  T524] ------------[ cut here ]------------
| [ 44.661973][ T524] WARNING: CPU: 0 PID: 524 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) 
| [   44.662827][  T524] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [   44.664769][  T524] Tainted: [W]=WARN
[   44.665071][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.665634][ T524] 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) 
[ 44.666169][ T524] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.668128][  T524] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   44.668830][  T524] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[   44.669668][  T524] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[   44.670489][  T524] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   44.671347][  T524] R10: ffffc900005b7010 R11: ffffffffbc6a8918 R12: 1ffff920000b6de2
[   44.672196][  T524] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff88800b0daf08
[   44.673032][  T524] FS:  00007f7f92536800(0000) GS:ffff888071ab7000(0000) knlGS:0000000000000000
[   44.674006][  T524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.674703][  T524] CR2: 00000000004e5aa8 CR3: 000000000cb88006 CR4: 0000000000772ef0
[   44.675525][  T524] PKRU: 55555554
[   44.675933][  T524] Call Trace:
[   44.676347][  T524]  <TASK>
[ 44.676652][ T524] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.677196][ T524] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.677768][ T524] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 44.678317][ T524] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 44.679007][ T524] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 44.679571][ T524] netif_set_mtu (net/core/dev.c:9652) 
[ 44.680114][ T524] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.680715][ T524] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 44.681478][ T524] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.681925][ T524] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 44.682669][ T524] br_add_if (net/bridge/br_if.c:697) bridge 
[ 44.683304][ T524] do_set_master (net/core/rtnetlink.c:2948) 
[ 44.683871][ T524] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.684427][ T524] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.685129][ T524] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.685687][ T524] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.686238][ T524] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.686804][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.687350][ T524] ? __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) 
[ 44.687910][ T524] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.688608][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.689153][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.689689][ T524] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.690219][ T524] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.690773][ T524] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.691302][ T524] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.691856][ T524] ? __create_object (mm/kmemleak.c:771) 
[ 44.692391][ T524] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.692938][ T524] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.693489][ T524] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.694197][ T524] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.694778][ T524] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.695323][ T524] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.695888][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.696442][ T524] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.697018][ T524] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.697580][ T524] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.698138][ T524] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.698691][ T524] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.699237][ T524] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.699807][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.700347][ T524] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.700907][ T524] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.701443][ T524] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.702028][ T524] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.702594][ T524] ? 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) 
[ 44.703161][ T524] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.703730][ T524] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.704270][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.704841][ T524] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.705398][ T524] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.705967][ T524] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.706540][ T524] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.707108][ T524] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.707664][ T524] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.708364][ T524] ___sys_sendmsg (net/socket.c:2670) 
[ 44.708912][ T524] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.709458][ T524] ? __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) 
[ 44.710163][ T524] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.710741][ T524] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.711309][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.711884][ T524] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.712428][ T524] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.712990][ T524] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.713566][ T524] __sys_sendmsg (net/socket.c:2700) 
[ 44.714115][ T524] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.714793][ T524] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.715369][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.715948][ T524] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.716488][ T524] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.717189][  T524] RIP: 0033:0x7f7f927031e7
[ 44.717740][ T524] 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)
[   44.719738][  T524] RSP: 002b:00007fffe44c0fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.720573][  T524] RAX: ffffffffffffffda RBX: 00007fffe44c16d0 RCX: 00007f7f927031e7
[   44.721376][  T524] RDX: 0000000000000000 RSI: 00007fffe44c1010 RDI: 0000000000000005
[   44.722185][  T524] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   44.723028][  T524] R10: 0000000018361910 R11: 0000000000000246 R12: 0000000000000004
[   44.723859][  T524] R13: 00000000686e17d2 R14: 0000000000499600 R15: 0000000000000000
| [   44.973231][  T526] ------------[ cut here ]------------
| [ 44.973580][ T526] WARNING: CPU: 2 PID: 526 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) 
| [   44.974206][  T526] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [   44.975761][  T526] Tainted: [W]=WARN
[   44.976009][  T526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.976400][ T526] 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) 
[ 44.976748][ T526] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.977853][  T526] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   44.978253][  T526] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[   44.978740][  T526] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[   44.979210][  T526] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   44.979690][  T526] R10: ffffc90000597010 R11: ffffffffbc6a8918 R12: 1ffff920000b2de2
[   44.980159][  T526] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800b0daf08
[   44.980644][  T526] FS:  00007f11624f4800(0000) GS:ffff888071bb7000(0000) knlGS:0000000000000000
[   44.981210][  T526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.981662][  T526] CR2: 00000000004e5ab0 CR3: 000000000cb88001 CR4: 0000000000772ef0
[   44.982141][  T526] PKRU: 55555554
[   44.982422][  T526] Call Trace:
[   44.982683][  T526]  <TASK>
[ 44.982855][ T526] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.983180][ T526] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.983507][ T526] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 44.983838][ T526] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 44.984230][ T526] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 44.984561][ T526] netif_set_mtu (net/core/dev.c:9652) 
[ 44.984882][ T526] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.985229][ T526] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 44.985697][ T526] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.985940][ T526] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 44.986414][ T526] br_add_if (net/bridge/br_if.c:697) bridge 
[ 44.986824][ T526] do_set_master (net/core/rtnetlink.c:2948) 
[ 44.987152][ T526] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.987475][ T526] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.987900][ T526] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.988217][ T526] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.988546][ T526] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.988869][ T526] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.989212][ T526] ? osq_unlock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2203 ./include/linux/atomic/atomic-instrumented.h:1325 kernel/locking/osq_lock.c:218) 
[ 44.989550][ T526] ? __pfx_osq_unlock (kernel/locking/osq_lock.c:211) 
[ 44.989873][ T526] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.990193][ T526] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.990527][ T526] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.990854][ T526] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.991172][ T526] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.991497][ T526] ? __create_object (mm/kmemleak.c:771) 
[ 44.991878][ T526] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.992224][ T526] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.992563][ T526] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.992999][ T526] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.993348][ T526] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.993702][ T526] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.994036][ T526] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.994388][ T526] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.994737][ T526] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.995053][ T526] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.995390][ T526] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.995731][ T526] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.996052][ T526] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.996374][ T526] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.996710][ T526] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.997029][ T526] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.997364][ T526] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.997715][ T526] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.998043][ T526] ? 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) 
[ 44.998374][ T526] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.998734][ T526] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.999054][ T526] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.999376][ T526] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.999726][ T526] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.000047][ T526] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.000394][ T526] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.000728][ T526] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.001046][ T526] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.001483][ T526] ___sys_sendmsg (net/socket.c:2670) 
[ 45.001835][ T526] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.002153][ T526] ? __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) 
[ 45.002592][ T526] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.002938][ T526] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.003273][ T526] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.003624][ T526] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.003947][ T526] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.004263][ T526] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.004601][ T526] __sys_sendmsg (net/socket.c:2700) 
[ 45.004914][ T526] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.005303][ T526] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.005650][ T526] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.005986][ T526] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.006320][ T526] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.006738][  T526] RIP: 0033:0x7f11626c11e7
[ 45.007080][ T526] 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)
[   45.008236][  T526] RSP: 002b:00007ffde42558e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.008737][  T526] RAX: ffffffffffffffda RBX: 00007ffde4256010 RCX: 00007f11626c11e7
[   45.009208][  T526] RDX: 0000000000000000 RSI: 00007ffde4255950 RDI: 0000000000000005
[   45.009703][  T526] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   45.010212][  T526] R10: 000000001057d910 R11: 0000000000000246 R12: 0000000000000004
[   45.010726][  T526] R13: 00000000686e17d2 R14: 0000000000499600 R15: 0000000000000000
| [   49.447947][  T573] ------------[ cut here ]------------
| [ 49.448269][ T573] WARNING: CPU: 3 PID: 573 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) 
| [   49.449194][  T573] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [   49.450499][  T573] Tainted: [W]=WARN
[   49.450762][  T573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.451158][ T573] 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) 
[ 49.451524][ T573] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   49.452675][  T573] RSP: 0018:ffffc90000826ef0 EFLAGS: 00010246
[   49.453081][  T573] RAX: 0000000000000000 RBX: ffff88800ee42000 RCX: 0000000000000001
[   49.453563][  T573] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[   49.454030][  T573] RBP: ffffc90000826fe0 R08: 0000000000000000 R09: 0000000000000000
[   49.454495][  T573] R10: ffffc90000827010 R11: ffffffffbbd79160 R12: 1ffff92000104de2
[   49.454965][  T573] R13: 00000000000005dc R14: ffffc90000827010 R15: ffff88800ee42f08
[   49.455437][  T573] FS:  00007f5a287a6800(0000) GS:ffff888071c37000(0000) knlGS:0000000000000000
[   49.455992][  T573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.456384][  T573] CR2: 00000000004e6898 CR3: 000000000f494003 CR4: 0000000000772ef0
[   49.456856][  T573] PKRU: 55555554
[   49.457087][  T573] Call Trace:
[   49.457321][  T573]  <TASK>
[ 49.457484][ T573] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.457810][ T573] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.458164][ T573] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.458478][ T573] netif_set_mtu (net/core/dev.c:9652) 
[ 49.458799][ T573] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 49.459125][ T573] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 49.459359][ T573] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 49.459807][ T573] br_add_if (net/bridge/br_if.c:697) bridge 
[ 49.460166][ T573] do_set_master (net/core/rtnetlink.c:2948) 
[ 49.460481][ T573] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 49.460805][ T573] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.461195][ T573] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.461507][ T573] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.461834][ T573] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.462154][ T573] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.462464][ T573] ? __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) 
[ 49.462781][ T573] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.463162][ T573] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.463472][ T573] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.463795][ T573] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.464111][ T573] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.464425][ T573] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.464745][ T573] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.465056][ T573] ? __create_object (mm/kmemleak.c:771) 
[ 49.465368][ T573] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.465689][ T573] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.466000][ T573] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.466385][ T573] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.466710][ T573] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.467027][ T573] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.467335][ T573] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.467657][ T573] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.467968][ T573] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.468275][ T573] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.468593][ T573] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.468901][ T573] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.469213][ T573] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.469543][ T573] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.469858][ T573] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.470171][ T573] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.470481][ T573] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.470814][ T573] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.471121][ T573] ? 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) 
[ 49.471433][ T573] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 49.471777][ T573] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.472084][ T573] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.472400][ T573] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.472727][ T573] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.473038][ T573] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.473355][ T573] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.473682][ T573] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.473994][ T573] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.474388][ T573] ___sys_sendmsg (net/socket.c:2670) 
[ 49.474706][ T573] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.475015][ T573] ? __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) 
[ 49.475407][ T573] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.475744][ T573] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.476055][ T573] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.476394][ T573] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.476715][ T573] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 49.477022][ T573] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.477336][ T573] __sys_sendmsg (net/socket.c:2700) 
[ 49.477656][ T573] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 49.478040][ T573] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.478358][ T573] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.478685][ T573] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.478993][ T573] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.479374][  T573] RIP: 0033:0x7f5a289731e7
[ 49.479707][ T573] 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)
[   49.480833][  T573] RSP: 002b:00007ffc91222f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.481300][  T573] RAX: ffffffffffffffda RBX: 00007ffc91223670 RCX: 00007f5a289731e7
[   49.481805][  T573] RDX: 0000000000000000 RSI: 00007ffc91222fb0 RDI: 0000000000000005
[   49.482265][  T573] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   49.482734][  T573] R10: 00000000119cd910 R11: 0000000000000246 R12: 0000000000000004
[   49.483197][  T573] R13: 00000000686e17d7 R14: 0000000000499600 R15: 0000000000000000
| [   50.216680][  T579] ------------[ cut here ]------------
| [ 50.217049][ T579] WARNING: CPU: 2 PID: 579 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) 
| [   50.217958][  T579] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [   50.219339][  T579] Tainted: [W]=WARN
[   50.219626][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.220041][ T579] 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) 
[ 50.220402][ T579] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   50.221611][  T579] RSP: 0018:ffffc90000526ef0 EFLAGS: 00010246
[   50.222027][  T579] RAX: 0000000000000000 RBX: ffff88800ee42000 RCX: 0000000000000001
[   50.222550][  T579] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[   50.223046][  T579] RBP: ffffc90000526fe0 R08: 0000000000000000 R09: 0000000000000000
[   50.223550][  T579] R10: ffffc90000527010 R11: ffffffffbc6a8918 R12: 1ffff920000a4de2
[   50.224047][  T579] R13: 00000000000005dc R14: ffffc90000527010 R15: ffff88800ee42f08
[   50.224576][  T579] FS:  00007f08c063c800(0000) GS:ffff888071bb7000(0000) knlGS:0000000000000000
[   50.225167][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.225632][  T579] CR2: 00000000004e5768 CR3: 000000000f47c002 CR4: 0000000000772ef0
[   50.226147][  T579] PKRU: 55555554
[   50.226413][  T579] Call Trace:
[   50.226680][  T579]  <TASK>
[ 50.226867][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.227198][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.227570][ T579] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 50.227902][ T579] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 50.228329][ T579] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 50.228673][ T579] netif_set_mtu (net/core/dev.c:9652) 
[ 50.229010][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 50.229359][ T579] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 50.229840][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 50.230103][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 50.230561][ T579] br_add_if (net/bridge/br_if.c:697) bridge 
[ 50.230934][ T579] do_set_master (net/core/rtnetlink.c:2948) 
[ 50.231262][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 50.231628][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 50.232045][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.232371][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.232710][ T579] ? __kernel_text_address (kernel/extable.c:79) 
[ 50.233041][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.233368][ T579] ? __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) 
[ 50.233719][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 50.234128][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.234457][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.234795][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 50.235121][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 50.235445][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.235785][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.236108][ T579] ? __create_object (mm/kmemleak.c:771) 
[ 50.236439][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 50.236779][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.237111][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.237557][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 50.237914][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.238267][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.238626][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.238976][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.239312][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.239676][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.240030][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.240386][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.240740][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.241076][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.241425][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.241832][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.242185][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.242540][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.242865][ T579] ? 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) 
[ 50.243188][ T579] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 50.243527][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.243856][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.244201][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.244559][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.244904][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.245253][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.245626][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.245969][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.246401][ T579] ___sys_sendmsg (net/socket.c:2670) 
[ 50.246747][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 50.247084][ T579] ? __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) 
[ 50.247519][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.247862][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.248204][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.248583][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.248925][ T579] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.249262][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.249618][ T579] __sys_sendmsg (net/socket.c:2700) 
[ 50.249971][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.250380][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.250730][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.251062][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.251387][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.251818][  T579] RIP: 0033:0x7f08c08091e7
[ 50.252153][ T579] 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)
[   50.253280][  T579] RSP: 002b:00007ffc018aceb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.253786][  T579] RAX: ffffffffffffffda RBX: 00007ffc018ad5e0 RCX: 00007f08c08091e7
[   50.254275][  T579] RDX: 0000000000000000 RSI: 00007ffc018acf20 RDI: 0000000000000005
[   50.254768][  T579] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   50.255244][  T579] R10: 000000002dcee910 R11: 0000000000000246 R12: 0000000000000004
[   50.255727][  T579] R13: 00000000686e17d7 R14: 0000000000499600 R15: 0000000000000000
| [   53.475402][  T611] ------------[ cut here ]------------
| [ 53.475759][ T611] WARNING: CPU: 2 PID: 611 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) 
| [   53.476379][  T611] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [   53.477694][  T611] Tainted: [W]=WARN
[   53.477940][  T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.478331][ T611] 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) 
[ 53.478669][ T611] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.479774][  T611] RSP: 0018:ffffc900009f6ef0 EFLAGS: 00010246
[   53.480171][  T611] RAX: 0000000000000000 RBX: ffff88800ffa2000 RCX: 0000000000000001
[   53.480647][  T611] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[   53.481114][  T611] RBP: ffffc900009f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   53.481621][  T611] R10: ffffc900009f7010 R11: ffffffffbbd79160 R12: 1ffff9200013ede2
[   53.482093][  T611] R13: 00000000000005dc R14: ffffc900009f7010 R15: ffff88800ffa2f08
[   53.482574][  T611] FS:  00007f55771de800(0000) GS:ffff888071bb7000(0000) knlGS:0000000000000000
[   53.483114][  T611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.483547][  T611] CR2: 00000000004e6898 CR3: 000000000c27e001 CR4: 0000000000772ef0
[   53.484024][  T611] PKRU: 55555554
[   53.484264][  T611] Call Trace:
[   53.484504][  T611]  <TASK>
[ 53.484686][ T611] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.485007][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.485355][ T611] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.485700][ T611] netif_set_mtu (net/core/dev.c:9652) 
[ 53.486047][ T611] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.486393][ T611] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.486652][ T611] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.487088][ T611] br_add_if (net/bridge/br_if.c:697) bridge 
[ 53.487454][ T611] do_set_master (net/core/rtnetlink.c:2948) 
[ 53.487790][ T611] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.488113][ T611] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.488520][ T611] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.488843][ T611] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.489157][ T611] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.489479][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.489822][ T611] ? __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) 
[ 53.490172][ T611] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.490580][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.490903][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.491227][ T611] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.491568][ T611] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.491891][ T611] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.492213][ T611] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.492559][ T611] ? __create_object (mm/kmemleak.c:771) 
[ 53.492887][ T611] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.493202][ T611] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.493546][ T611] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.493940][ T611] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.494264][ T611] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.494599][ T611] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.494918][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.495245][ T611] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.495574][ T611] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.495888][ T611] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.496210][ T611] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.496535][ T611] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.496856][ T611] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.497178][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.497501][ T611] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.497840][ T611] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.498166][ T611] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.498500][ T611] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.498832][ T611] ? 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) 
[ 53.499152][ T611] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.499470][ T611] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.499827][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.500183][ T611] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.500521][ T611] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.500852][ T611] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.501180][ T611] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.501537][ T611] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.501858][ T611] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.502261][ T611] ___sys_sendmsg (net/socket.c:2670) 
[ 53.502588][ T611] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.502906][ T611] ? __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) 
[ 53.503306][ T611] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.503635][ T611] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.503956][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.504277][ T611] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.504604][ T611] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.504923][ T611] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.505246][ T611] __sys_sendmsg (net/socket.c:2700) 
[ 53.505582][ T611] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.505982][ T611] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.506313][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.506642][ T611] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.506964][ T611] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.507352][  T611] RIP: 0033:0x7f55773ab1e7
[ 53.507691][ T611] 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)
[   53.508802][  T611] RSP: 002b:00007fffe7f98788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.509270][  T611] RAX: ffffffffffffffda RBX: 00007fffe7f98eb0 RCX: 00007f55773ab1e7
[   53.509759][  T611] RDX: 0000000000000000 RSI: 00007fffe7f987f0 RDI: 0000000000000005
[   53.510234][  T611] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   53.510709][  T611] R10: 00000000207db910 R11: 0000000000000246 R12: 0000000000000004
[   53.511177][  T611] R13: 00000000686e17db R14: 0000000000499600 R15: 0000000000000000
| [   54.228034][  T617] ------------[ cut here ]------------
| [ 54.228378][ T617] WARNING: CPU: 3 PID: 617 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) 
| [   54.229029][  T617] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [   54.230368][  T617] Tainted: [W]=WARN
[   54.230646][  T617] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.231049][ T617] 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) 
[ 54.231385][ T617] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.232554][  T617] RSP: 0018:ffffc90000a36ef0 EFLAGS: 00010246
[   54.232990][  T617] RAX: 0000000000000000 RBX: ffff88800ffa2000 RCX: 0000000000000001
[   54.233470][  T617] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[   54.233971][  T617] RBP: ffffc90000a36fe0 R08: 0000000000000000 R09: 0000000000000000
[   54.234451][  T617] R10: ffffc90000a37010 R11: ffffffffbbd79160 R12: 1ffff92000146de2
[   54.235197][  T617] R13: 00000000000005dc R14: ffffc90000a37010 R15: ffff88800ffa2f08
[   54.235703][  T617] FS:  00007f5b0c991800(0000) GS:ffff888071c37000(0000) knlGS:0000000000000000
[   54.236258][  T617] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.236664][  T617] CR2: 00000000004e5768 CR3: 000000000cb80004 CR4: 0000000000772ef0
[   54.237148][  T617] PKRU: 55555554
[   54.237386][  T617] Call Trace:
[   54.237648][  T617]  <TASK>
[ 54.237818][ T617] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.238146][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.238477][ T617] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.238815][ T617] netif_set_mtu (net/core/dev.c:9652) 
[ 54.239138][ T617] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.239476][ T617] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.239736][ T617] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.240192][ T617] br_add_if (net/bridge/br_if.c:697) bridge 
[ 54.240574][ T617] do_set_master (net/core/rtnetlink.c:2948) 
[ 54.240899][ T617] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.241221][ T617] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.241658][ T617] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.241979][ T617] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.242305][ T617] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.242641][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.242967][ T617] ? __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) 
[ 54.243288][ T617] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.243741][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.244081][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.244401][ T617] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.244748][ T617] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.245072][ T617] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.245420][ T617] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.245847][ T617] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.246187][ T617] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.246714][ T617] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.247048][ T617] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.247463][ T617] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.247894][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.248290][ T617] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.248701][ T617] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.249098][ T617] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.249552][ T617] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.249945][ T617] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.250325][ T617] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.250721][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.251051][ T617] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.251372][ T617] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.251758][ T617] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.252094][ T617] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.252413][ T617] ? 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) 
[ 54.252757][ T617] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.253088][ T617] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.253407][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.253769][ T617] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.254098][ T617] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.254419][ T617] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.254885][ T617] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.255327][ T617] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.255885][ T617] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.256579][ T617] ___sys_sendmsg (net/socket.c:2670) 
[ 54.257145][ T617] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.257710][ T617] ? __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) 
[ 54.258407][ T617] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.258915][ T617] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.259462][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.260070][ T617] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.260655][ T617] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.261216][ T617] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.261821][ T617] __sys_sendmsg (net/socket.c:2700) 
[ 54.262404][ T617] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.263134][ T617] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.263764][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.264344][ T617] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.264935][ T617] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.265669][  T617] RIP: 0033:0x7f5b0cb5e1e7
[ 54.266270][ T617] 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)
[   54.268360][  T617] RSP: 002b:00007ffef12847a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.269217][  T617] RAX: ffffffffffffffda RBX: 00007ffef1284ed0 RCX: 00007f5b0cb5e1e7
[   54.270085][  T617] RDX: 0000000000000000 RSI: 00007ffef1284810 RDI: 0000000000000005
[   54.270948][  T617] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   54.271842][  T617] R10: 00000000106b5910 R11: 0000000000000246 R12: 0000000000000004
[   54.272715][  T617] R13: 00000000686e17db R14: 0000000000499600 R15: 0000000000000000
| [  221.064677][ T2645] ------------[ cut here ]------------
| [ 221.065036][ T2645] WARNING: CPU: 3 PID: 2645 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) 
| [  221.065678][ T2645] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [  221.067078][ T2645] Tainted: [W]=WARN
[  221.067312][ T2645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 221.067706][ T2645] 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) 
[ 221.068036][ T2645] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  221.069158][ T2645] RSP: 0018:ffffc90005186f70 EFLAGS: 00010246
[  221.069560][ T2645] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[  221.070019][ T2645] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[  221.070492][ T2645] RBP: ffffc90005187058 R08: 0000000000000000 R09: 0000000000000000
[  221.071217][ T2645] R10: ffffc90005187088 R11: ffffffffb7c00130 R12: 1ffff92000a30df2
[  221.071836][ T2645] R13: 00000000000005dc R14: ffffc90005187088 R15: ffff88800b0daf08
[  221.072313][ T2645] FS:  00007f4d25a79800(0000) GS:ffff888071c37000(0000) knlGS:0000000000000000
[  221.073050][ T2645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  221.073475][ T2645] CR2: 00000000004e5760 CR3: 000000000b12a005 CR4: 0000000000772ef0
[  221.074274][ T2645] PKRU: 55555554
[  221.074568][ T2645] Call Trace:
[  221.074801][ T2645]  <TASK>
[ 221.074959][ T2645] ? __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) 
[ 221.075361][ T2645] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 221.075767][ T2645] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 221.076100][ T2645] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 221.076441][ T2645] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 221.076760][ T2645] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 221.077070][ T2645] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 221.077387][ T2645] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 221.077714][ T2645] ? ___sys_sendmsg (net/socket.c:2670) 
[ 221.078022][ T2645] ? __sys_sendmsg (net/socket.c:2700) 
[ 221.078340][ T2645] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 221.078663][ T2645] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 221.079048][ T2645] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 221.079377][ T2645] netif_set_mtu (net/core/dev.c:9652) 
[ 221.079696][ T2645] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 221.080021][ T2645] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 221.080252][ T2645] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 221.080704][ T2645] br_del_if (net/bridge/br_if.c:743) bridge 
[ 221.081071][ T2645] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 221.081412][ T2645] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 221.081762][ T2645] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 221.082088][ T2645] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 221.082505][ T2645] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 221.082835][ T2645] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 221.083155][ T2645] ? __kernel_text_address (kernel/extable.c:79) 
[ 221.083503][ T2645] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 221.083836][ T2645] ? __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) 
[ 221.084156][ T2645] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 221.084581][ T2645] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 221.084903][ T2645] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 221.085219][ T2645] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 221.085580][ T2645] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 221.085897][ T2645] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 221.086215][ T2645] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 221.086539][ T2645] ? __create_object (mm/kmemleak.c:771) 
[ 221.086860][ T2645] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 221.087187][ T2645] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 221.087499][ T2645] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 221.087904][ T2645] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 221.088215][ T2645] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 221.088549][ T2645] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 221.088861][ T2645] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 221.089176][ T2645] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 221.089482][ T2645] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 221.089814][ T2645] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 221.090126][ T2645] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 221.090433][ T2645] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 221.090783][ T2645] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 221.091115][ T2645] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 221.091440][ T2645] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 221.091797][ T2645] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 221.092115][ T2645] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 221.092446][ T2645] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 221.092790][ T2645] ? 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) 
[ 221.093115][ T2645] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 221.093473][ T2645] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 221.093836][ T2645] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 221.094166][ T2645] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 221.094492][ T2645] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 221.094836][ T2645] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 221.095171][ T2645] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 221.095501][ T2645] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 221.095848][ T2645] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 221.096253][ T2645] ___sys_sendmsg (net/socket.c:2670) 
[ 221.096571][ T2645] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 221.096891][ T2645] ? __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) 
[ 221.097306][ T2645] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 221.097644][ T2645] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 221.097986][ T2645] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 221.098319][ T2645] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 221.098653][ T2645] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 221.098986][ T2645] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 221.099311][ T2645] __sys_sendmsg (net/socket.c:2700) 
[ 221.099641][ T2645] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 221.100053][ T2645] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 221.100384][ T2645] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 221.100725][ T2645] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 221.101068][ T2645] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  221.101465][ T2645] RIP: 0033:0x7f4d25c461e7
[ 221.101833][ T2645] 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)
[  221.103041][ T2645] RSP: 002b:00007ffd7985b6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  221.103541][ T2645] RAX: ffffffffffffffda RBX: 00007ffd7985bde0 RCX: 00007f4d25c461e7
[  221.104042][ T2645] RDX: 0000000000000000 RSI: 00007ffd7985b720 RDI: 0000000000000005
[  221.104541][ T2645] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  221.105032][ T2645] R10: 00007f4d25b43ee8 R11: 0000000000000246 R12: 0000000000000003
[  221.105528][ T2645] R13: 00000000686e1882 R14: 0000000000499600 R15: 0000000000000000
| [  226.357460][ T2647] ------------[ cut here ]------------
| [ 226.357799][ T2647] WARNING: CPU: 3 PID: 2647 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) 
| [  226.358698][ T2647] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [  226.360251][ T2647] Tainted: [W]=WARN
[  226.360572][ T2647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 226.361020][ T2647] 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) 
[ 226.361374][ T2647] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  226.362786][ T2647] RSP: 0018:ffffc900051a6ef0 EFLAGS: 00010246
[  226.363178][ T2647] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[  226.363676][ T2647] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[  226.364283][ T2647] RBP: ffffc900051a6fe0 R08: 0000000000000000 R09: 0000000000000000
[  226.364970][ T2647] R10: ffffc900051a7010 R11: ffffffffbc6a8918 R12: 1ffff92000a34de2
[  226.365775][ T2647] R13: 00000000000005dc R14: ffffc900051a7010 R15: ffff88800b0daf08
[  226.366421][ T2647] FS:  00007fa60f028800(0000) GS:ffff888071c37000(0000) knlGS:0000000000000000
[  226.367107][ T2647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  226.367506][ T2647] CR2: 00000000004e5760 CR3: 000000000f5cc001 CR4: 0000000000772ef0
[  226.368134][ T2647] PKRU: 55555554
[  226.368428][ T2647] Call Trace:
[  226.368739][ T2647]  <TASK>
[ 226.368936][ T2647] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 226.369268][ T2647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 226.369628][ T2647] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 226.369937][ T2647] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 226.370333][ T2647] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 226.370808][ T2647] netif_set_mtu (net/core/dev.c:9652) 
[ 226.371126][ T2647] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 226.371466][ T2647] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 226.371936][ T2647] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 226.372257][ T2647] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 226.372724][ T2647] br_add_if (net/bridge/br_if.c:697) bridge 
[ 226.373080][ T2647] do_set_master (net/core/rtnetlink.c:2948) 
[ 226.373426][ T2647] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 226.373856][ T2647] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 226.374341][ T2647] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 226.374790][ T2647] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 226.375099][ T2647] ? __kernel_text_address (kernel/extable.c:79) 
[ 226.375559][ T2647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 226.375957][ T2647] ? __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) 
[ 226.376409][ T2647] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 226.376883][ T2647] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 226.377194][ T2647] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 226.377627][ T2647] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 226.377949][ T2647] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 226.378261][ T2647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 226.378639][ T2647] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 226.378944][ T2647] ? __create_object (mm/kmemleak.c:771) 
[ 226.379386][ T2647] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 226.379742][ T2647] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 226.380123][ T2647] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 226.380695][ T2647] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 226.381143][ T2647] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 226.381548][ T2647] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 226.381871][ T2647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 226.382269][ T2647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 226.382773][ T2647] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 226.383088][ T2647] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 226.383408][ T2647] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 226.383728][ T2647] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 226.384150][ T2647] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 226.384557][ T2647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 226.384986][ T2647] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 226.385305][ T2647] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 226.385801][ T2647] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 226.386194][ T2647] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 226.386684][ T2647] ? 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) 
[ 226.387058][ T2647] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 226.387426][ T2647] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 226.387827][ T2647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 226.388235][ T2647] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 226.388594][ T2647] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 226.388915][ T2647] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 226.389308][ T2647] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 226.389674][ T2647] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 226.389984][ T2647] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 226.390614][ T2647] ___sys_sendmsg (net/socket.c:2670) 
[ 226.390929][ T2647] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 226.391240][ T2647] ? __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) 
[ 226.391707][ T2647] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 226.392105][ T2647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 226.392505][ T2647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 226.392880][ T2647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 226.393206][ T2647] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 226.393574][ T2647] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 226.393940][ T2647] __sys_sendmsg (net/socket.c:2700) 
[ 226.394324][ T2647] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 226.394941][ T2647] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 226.395341][ T2647] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 226.395724][ T2647] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 226.396140][ T2647] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  226.396658][ T2647] RIP: 0033:0x7fa60f1f51e7
[ 226.397004][ T2647] 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)
[  226.398431][ T2647] RSP: 002b:00007ffc5f4925e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  226.399089][ T2647] RAX: ffffffffffffffda RBX: 00007ffc5f492d10 RCX: 00007fa60f1f51e7
[  226.399621][ T2647] RDX: 0000000000000000 RSI: 00007ffc5f492650 RDI: 0000000000000005
[  226.400116][ T2647] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  226.400614][ T2647] R10: 0000000025ec3910 R11: 0000000000000246 R12: 0000000000000004
[  226.401114][ T2647] R13: 00000000686e1888 R14: 0000000000499600 R15: 0000000000000000
| [  301.484617][ T3529] ------------[ cut here ]------------
| [ 301.484961][ T3529] WARNING: CPU: 1 PID: 3529 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) 
| [  301.487211][ T3529] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [  301.488749][ T3529] Tainted: [W]=WARN
[  301.488991][ T3529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 301.489387][ T3529] 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) 
[ 301.489718][ T3529] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  301.490842][ T3529] RSP: 0018:ffffc90006fc6f70 EFLAGS: 00010246
[  301.491252][ T3529] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[  301.491751][ T3529] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[  301.492235][ T3529] RBP: ffffc90006fc7058 R08: 0000000000000000 R09: 0000000000000000
[  301.492740][ T3529] R10: ffffc90006fc7088 R11: ffffffffbbd79160 R12: 1ffff92000df8df2
[  301.493221][ T3529] R13: 00000000000005dc R14: ffffc90006fc7088 R15: ffff88800b0daf08
[  301.493738][ T3529] FS:  00007fc57c53c800(0000) GS:ffff888071b37000(0000) knlGS:0000000000000000
[  301.494377][ T3529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  301.494789][ T3529] CR2: 00000000004e5760 CR3: 000000000c161005 CR4: 0000000000772ef0
[  301.495274][ T3529] PKRU: 55555554
[  301.495528][ T3529] Call Trace:
[  301.495779][ T3529]  <TASK>
[ 301.495934][ T3529] ? __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) 
[ 301.496328][ T3529] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 301.496706][ T3529] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 301.497047][ T3529] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 301.497350][ T3529] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 301.497693][ T3529] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 301.498020][ T3529] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 301.498340][ T3529] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 301.498686][ T3529] ? ___sys_sendmsg (net/socket.c:2670) 
[ 301.499204][ T3529] ? __sys_sendmsg (net/socket.c:2700) 
[ 301.499766][ T3529] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 301.500303][ T3529] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 301.500959][ T3529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 301.501502][ T3529] netif_set_mtu (net/core/dev.c:9652) 
[ 301.502095][ T3529] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 301.502696][ T3529] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 301.503127][ T3529] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 301.503947][ T3529] br_del_if (net/bridge/br_if.c:743) bridge 
[ 301.504566][ T3529] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 301.505121][ T3529] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 301.505708][ T3529] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 301.506255][ T3529] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 301.506952][ T3529] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 301.507567][ T3529] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 301.508122][ T3529] ? __kernel_text_address (kernel/extable.c:79) 
[ 301.508707][ T3529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 301.509279][ T3529] ? __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) 
[ 301.509855][ T3529] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 301.510537][ T3529] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 301.511086][ T3529] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 301.511603][ T3529] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 301.512155][ T3529] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 301.512717][ T3529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 301.513263][ T3529] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 301.513818][ T3529] ? __create_object (mm/kmemleak.c:771) 
[ 301.514159][ T3529] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 301.514488][ T3529] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 301.514939][ T3529] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 301.515585][ T3529] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 301.516141][ T3529] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 301.516716][ T3529] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 301.517284][ T3529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 301.517866][ T3529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 301.518444][ T3529] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 301.519028][ T3529] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 301.519425][ T3529] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 301.519872][ T3529] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 301.520410][ T3529] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 301.520958][ T3529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 301.521509][ T3529] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 301.522064][ T3529] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 301.522665][ T3529] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 301.523253][ T3529] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 301.523867][ T3529] ? 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) 
[ 301.524312][ T3529] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 301.524900][ T3529] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 301.525451][ T3529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 301.526039][ T3529] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 301.526636][ T3529] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 301.527221][ T3529] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 301.527791][ T3529] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 301.528362][ T3529] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 301.528924][ T3529] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 301.529633][ T3529] ___sys_sendmsg (net/socket.c:2670) 
[ 301.530189][ T3529] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 301.530752][ T3529] ? __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) 
[ 301.531381][ T3529] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 301.532000][ T3529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 301.532578][ T3529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 301.533143][ T3529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 301.533725][ T3529] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 301.534285][ T3529] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 301.534863][ T3529] __sys_sendmsg (net/socket.c:2700) 
[ 301.535398][ T3529] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 301.536151][ T3529] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 301.536748][ T3529] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 301.537375][ T3529] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 301.537973][ T3529] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  301.538683][ T3529] RIP: 0033:0x7fc57c7091e7
[ 301.539276][ T3529] 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)
[  301.540931][ T3529] RSP: 002b:00007ffe119c28b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  301.541782][ T3529] RAX: ffffffffffffffda RBX: 00007ffe119c2fe0 RCX: 00007fc57c7091e7
[  301.542662][ T3529] RDX: 0000000000000000 RSI: 00007ffe119c2920 RDI: 0000000000000005
[  301.543450][ T3529] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  301.544321][ T3529] R10: 00007fc57c606ee8 R11: 0000000000000246 R12: 0000000000000003
[  301.545128][ T3529] R13: 00000000686e18d3 R14: 0000000000499600 R15: 0000000000000000
| [  306.753451][ T3531] ------------[ cut here ]------------
| [ 306.753790][ T3531] WARNING: CPU: 2 PID: 3531 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) 
| [  306.754415][ T3531] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [  306.755786][ T3531] Tainted: [W]=WARN
[  306.756031][ T3531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 306.756424][ T3531] 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) 
[ 306.757287][ T3531] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  306.758397][ T3531] RSP: 0018:ffffc90006db6ef0 EFLAGS: 00010246
[  306.758809][ T3531] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[  306.759279][ T3531] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[  306.759776][ T3531] RBP: ffffc90006db6fe0 R08: 0000000000000000 R09: 0000000000000000
[  306.760254][ T3531] R10: ffffc90006db7010 R11: ffffffffbc6a8918 R12: 1ffff92000db6de2
[  306.760744][ T3531] R13: 00000000000005dc R14: ffffc90006db7010 R15: ffff88800b0daf08
[  306.761214][ T3531] FS:  00007f7a69e6a800(0000) GS:ffff888071bb7000(0000) knlGS:0000000000000000
[  306.761795][ T3531] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  306.762189][ T3531] CR2: 00000000004e5760 CR3: 000000000c161004 CR4: 0000000000772ef0
[  306.762671][ T3531] PKRU: 55555554
[  306.762925][ T3531] Call Trace:
[  306.763164][ T3531]  <TASK>
[ 306.763336][ T3531] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 306.763666][ T3531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 306.763992][ T3531] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 306.764314][ T3531] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 306.764719][ T3531] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 306.765064][ T3531] netif_set_mtu (net/core/dev.c:9652) 
[ 306.765382][ T3531] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 306.765720][ T3531] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 306.766164][ T3531] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 306.766409][ T3531] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 306.766864][ T3531] br_add_if (net/bridge/br_if.c:697) bridge 
[ 306.767236][ T3531] do_set_master (net/core/rtnetlink.c:2948) 
[ 306.767582][ T3531] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 306.767906][ T3531] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 306.768305][ T3531] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 306.768633][ T3531] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 306.768950][ T3531] ? __kernel_text_address (kernel/extable.c:79) 
[ 306.769291][ T3531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 306.769635][ T3531] ? __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) 
[ 306.769956][ T3531] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 306.770348][ T3531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 306.770690][ T3531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 306.771007][ T3531] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 306.771325][ T3531] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 306.771657][ T3531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 306.771998][ T3531] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 306.772314][ T3531] ? __create_object (mm/kmemleak.c:771) 
[ 306.772650][ T3531] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 306.772968][ T3531] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 306.773290][ T3531] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 306.773692][ T3531] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 306.774015][ T3531] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 306.774343][ T3531] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 306.774701][ T3531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 306.775026][ T3531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 306.775343][ T3531] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 306.775680][ T3531] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 306.775999][ T3531] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 306.776316][ T3531] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 306.776647][ T3531] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 306.776970][ T3531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 306.777298][ T3531] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 306.777626][ T3531] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 306.777950][ T3531] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 306.778279][ T3531] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 306.778687][ T3531] ? 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) 
[ 306.779171][ T3531] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 306.779709][ T3531] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 306.780242][ T3531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 306.780816][ T3531] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 306.781172][ T3531] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 306.781503][ T3531] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 306.781858][ T3531] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 306.782182][ T3531] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 306.782522][ T3531] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 306.782940][ T3531] ___sys_sendmsg (net/socket.c:2670) 
[ 306.783255][ T3531] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 306.783600][ T3531] ? __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) 
[ 306.783994][ T3531] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 306.784317][ T3531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 306.784674][ T3531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 306.785002][ T3531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 306.785327][ T3531] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 306.785795][ T3531] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 306.786248][ T3531] __sys_sendmsg (net/socket.c:2700) 
[ 306.786590][ T3531] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 306.786986][ T3531] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 306.787318][ T3531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 306.787664][ T3531] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 306.787996][ T3531] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  306.788392][ T3531] RIP: 0033:0x7f7a6a0371e7
[ 306.788749][ T3531] 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)
[  306.790011][ T3531] RSP: 002b:00007ffc4eca9ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  306.790523][ T3531] RAX: ffffffffffffffda RBX: 00007ffc4ecaa2d0 RCX: 00007f7a6a0371e7
[  306.790998][ T3531] RDX: 0000000000000000 RSI: 00007ffc4eca9c10 RDI: 0000000000000005
[  306.791466][ T3531] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  306.792225][ T3531] R10: 00000000346b0910 R11: 0000000000000246 R12: 0000000000000004
[  306.793035][ T3531] R13: 00000000686e18d8 R14: 0000000000499600 R15: 0000000000000000
| [  448.860213][ T4441] ------------[ cut here ]------------
| [ 448.861266][ T4441] WARNING: CPU: 1 PID: 4441 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) 
| [  448.861925][ T4441] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [  448.863347][ T4441] Tainted: [W]=WARN
[  448.863611][ T4441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 448.864016][ T4441] 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) 
[ 448.864354][ T4441] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  448.865522][ T4441] RSP: 0018:ffffc90008ba6f70 EFLAGS: 00010246
[  448.865935][ T4441] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[  448.866416][ T4441] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[  448.866937][ T4441] RBP: ffffc90008ba7058 R08: 0000000000000000 R09: 0000000000000000
[  448.867414][ T4441] R10: ffffc90008ba7088 R11: ffffffffbbd79160 R12: 1ffff92001174df2
[  448.867902][ T4441] R13: 00000000000005dc R14: ffffc90008ba7088 R15: ffff88800b0daf08
[  448.868379][ T4441] FS:  00007fdabce1a800(0000) GS:ffff888071b37000(0000) knlGS:0000000000000000
[  448.868954][ T4441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  448.869359][ T4441] CR2: 00000000004e5760 CR3: 0000000005103005 CR4: 0000000000772ef0
[  448.870150][ T4441] PKRU: 55555554
[  448.870396][ T4441] Call Trace:
[  448.870795][ T4441]  <TASK>
[ 448.870961][ T4441] ? __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) 
[ 448.871369][ T4441] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 448.871896][ T4441] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 448.872228][ T4441] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 448.872728][ T4441] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 448.873049][ T4441] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 448.873370][ T4441] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 448.873923][ T4441] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 448.874247][ T4441] ? ___sys_sendmsg (net/socket.c:2670) 
[ 448.874583][ T4441] ? __sys_sendmsg (net/socket.c:2700) 
[ 448.874902][ T4441] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 448.875221][ T4441] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 448.875625][ T4441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 448.875958][ T4441] netif_set_mtu (net/core/dev.c:9652) 
[ 448.876286][ T4441] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 448.876632][ T4441] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 448.876878][ T4441] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 448.877331][ T4441] br_del_if (net/bridge/br_if.c:743) bridge 
[ 448.877699][ T4441] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 448.878029][ T4441] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 448.878352][ T4441] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 448.878684][ T4441] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 448.879088][ T4441] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 448.879411][ T4441] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 448.879750][ T4441] ? __kernel_text_address (kernel/extable.c:79) 
[ 448.880075][ T4441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 448.880401][ T4441] ? __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) 
[ 448.880737][ T4441] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 448.881139][ T4441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 448.881466][ T4441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 448.881793][ T4441] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 448.882134][ T4441] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 448.882457][ T4441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 448.882786][ T4441] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 448.883107][ T4441] ? __create_object (mm/kmemleak.c:771) 
[ 448.883437][ T4441] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 448.883769][ T4441] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 448.884089][ T4441] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 448.884493][ T4441] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 448.884843][ T4441] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 448.885171][ T4441] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 448.885492][ T4441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 448.885837][ T4441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 448.886157][ T4441] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 448.886478][ T4441] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 448.886809][ T4441] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 448.887126][ T4441] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 448.887458][ T4441] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 448.887791][ T4441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 448.888120][ T4441] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 448.888448][ T4441] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 448.888784][ T4441] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 448.889120][ T4441] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 448.889438][ T4441] ? 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) 
[ 448.889784][ T4441] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 448.890115][ T4441] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 448.890434][ T4441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 448.890769][ T4441] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 448.891100][ T4441] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 448.891438][ T4441] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 448.891778][ T4441] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 448.892127][ T4441] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 448.892449][ T4441] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 448.892875][ T4441] ___sys_sendmsg (net/socket.c:2670) 
[ 448.893198][ T4441] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 448.893538][ T4441] ? __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) 
[ 448.893955][ T4441] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 448.894278][ T4441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 448.894625][ T4441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 448.894954][ T4441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 448.895283][ T4441] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 448.895615][ T4441] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 448.895946][ T4441] __sys_sendmsg (net/socket.c:2700) 
[ 448.896267][ T4441] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 448.896676][ T4441] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 448.897021][ T4441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 448.897344][ T4441] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 448.897681][ T4441] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  448.898080][ T4441] RIP: 0033:0x7fdabcfe71e7
[ 448.898418][ T4441] 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)
[  448.899584][ T4441] RSP: 002b:00007ffd4d5d5e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  448.900073][ T4441] RAX: ffffffffffffffda RBX: 00007ffd4d5d6530 RCX: 00007fdabcfe71e7
[  448.900569][ T4441] RDX: 0000000000000000 RSI: 00007ffd4d5d5e70 RDI: 0000000000000005
[  448.901053][ T4441] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  448.901558][ T4441] R10: 00007fdabcee4ee8 R11: 0000000000000246 R12: 0000000000000003
[  448.902052][ T4441] R13: 00000000686e1966 R14: 0000000000499600 R15: 0000000000000000
| [  454.119184][ T4443] ------------[ cut here ]------------
| [ 454.119529][ T4443] WARNING: CPU: 2 PID: 4443 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) 
| [  454.120166][ T4443] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [  454.121541][ T4443] Tainted: [W]=WARN
[  454.121787][ T4443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 454.122201][ T4443] 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) 
[ 454.122555][ T4443] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  454.123667][ T4443] RSP: 0018:ffffc90008ba6ef0 EFLAGS: 00010246
[  454.124073][ T4443] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[  454.124559][ T4443] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[  454.125027][ T4443] RBP: ffffc90008ba6fe0 R08: 0000000000000000 R09: 0000000000000000
[  454.125497][ T4443] R10: ffffc90008ba7010 R11: ffffffffbc6a8918 R12: 1ffff92001174de2
[  454.125981][ T4443] R13: 00000000000005dc R14: ffffc90008ba7010 R15: ffff88800b0daf08
[  454.126460][ T4443] FS:  00007f26ee0be800(0000) GS:ffff888071bb7000(0000) knlGS:0000000000000000
[  454.127010][ T4443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  454.127411][ T4443] CR2: 00000000004e5760 CR3: 0000000005103005 CR4: 0000000000772ef0
[  454.127906][ T4443] PKRU: 55555554
[  454.128151][ T4443] Call Trace:
[  454.128402][ T4443]  <TASK>
[ 454.128732][ T4443] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 454.129149][ T4443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 454.129480][ T4443] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 454.129807][ T4443] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 454.130201][ T4443] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 454.130531][ T4443] netif_set_mtu (net/core/dev.c:9652) 
[ 454.130850][ T4443] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 454.131181][ T4443] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 454.131653][ T4443] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 454.131903][ T4443] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 454.132377][ T4443] br_add_if (net/bridge/br_if.c:697) bridge 
[ 454.132756][ T4443] do_set_master (net/core/rtnetlink.c:2948) 
[ 454.133080][ T4443] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 454.133411][ T4443] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 454.133823][ T4443] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 454.134145][ T4443] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 454.134466][ T4443] ? __kernel_text_address (kernel/extable.c:79) 
[ 454.134803][ T4443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 454.135124][ T4443] ? __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) 
[ 454.135441][ T4443] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 454.135863][ T4443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 454.136190][ T4443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 454.136505][ T4443] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 454.136843][ T4443] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 454.137182][ T4443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 454.137538][ T4443] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 454.137870][ T4443] ? __create_object (mm/kmemleak.c:771) 
[ 454.138207][ T4443] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 454.138574][ T4443] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 454.138909][ T4443] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 454.139318][ T4443] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 454.139682][ T4443] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 454.140021][ T4443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 454.140355][ T4443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 454.140707][ T4443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 454.141045][ T4443] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 454.141384][ T4443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 454.141729][ T4443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 454.142071][ T4443] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 454.142405][ T4443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 454.142751][ T4443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 454.143078][ T4443] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 454.143395][ T4443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 454.143747][ T4443] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 454.144075][ T4443] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 454.144390][ T4443] ? 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) 
[ 454.144722][ T4443] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 454.145045][ T4443] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 454.145360][ T4443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 454.145696][ T4443] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 454.146021][ T4443] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 454.146339][ T4443] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 454.146678][ T4443] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 454.147004][ T4443] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 454.147319][ T4443] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 454.147768][ T4443] ___sys_sendmsg (net/socket.c:2670) 
[ 454.148108][ T4443] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 454.148463][ T4443] ? __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) 
[ 454.148904][ T4443] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 454.149243][ T4443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 454.149589][ T4443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 454.149928][ T4443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 454.150259][ T4443] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 454.150605][ T4443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 454.150949][ T4443] __sys_sendmsg (net/socket.c:2700) 
[ 454.151279][ T4443] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 454.151712][ T4443] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 454.152075][ T4443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 454.152410][ T4443] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 454.152757][ T4443] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  454.153166][ T4443] RIP: 0033:0x7f26ee28b1e7
[ 454.153520][ T4443] 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)
[  454.154683][ T4443] RSP: 002b:00007ffef64955c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  454.155179][ T4443] RAX: ffffffffffffffda RBX: 00007ffef6495cf0 RCX: 00007f26ee28b1e7
[  454.155700][ T4443] RDX: 0000000000000000 RSI: 00007ffef6495630 RDI: 0000000000000005
[  454.156209][ T4443] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  454.156690][ T4443] R10: 000000002093e910 R11: 0000000000000246 R12: 0000000000000004
[  454.157157][ T4443] R13: 00000000686e196b R14: 0000000000499600 R15: 0000000000000000
| [  465.224720][ T4490] ------------[ cut here ]------------
| [ 465.225072][ T4490] WARNING: CPU: 0 PID: 4490 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) 
| [  465.225913][ T4490] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [  465.227311][ T4490] Tainted: [W]=WARN
[  465.227565][ T4490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 465.227967][ T4490] 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) 
[ 465.228303][ T4490] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  465.229452][ T4490] RSP: 0018:ffffc90008db6f70 EFLAGS: 00010246
[  465.229873][ T4490] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[  465.230353][ T4490] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[  465.230846][ T4490] RBP: ffffc90008db7058 R08: 0000000000000000 R09: 0000000000000000
[  465.231332][ T4490] R10: ffffc90008db7088 R11: ffffffffbbd79160 R12: 1ffff920011b6df2
[  465.231839][ T4490] R13: 00000000000005dc R14: ffffc90008db7088 R15: ffff88800b0daf08
[  465.232336][ T4490] FS:  00007fbb321d4800(0000) GS:ffff888071ab7000(0000) knlGS:0000000000000000
[  465.232907][ T4490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.233318][ T4490] CR2: 00000000004e5760 CR3: 00000000125c4004 CR4: 0000000000772ef0
[  465.233810][ T4490] PKRU: 55555554
[  465.234051][ T4490] Call Trace:
[  465.234292][ T4490]  <TASK>
[ 465.234454][ T4490] ? __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) 
[ 465.234866][ T4490] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 465.235240][ T4490] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 465.235594][ T4490] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 465.235919][ T4490] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 465.236243][ T4490] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 465.236574][ T4490] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 465.236888][ T4490] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 465.237208][ T4490] ? ___sys_sendmsg (net/socket.c:2670) 
[ 465.237535][ T4490] ? __sys_sendmsg (net/socket.c:2700) 
[ 465.237840][ T4490] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 465.238144][ T4490] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 465.238533][ T4490] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.238851][ T4490] netif_set_mtu (net/core/dev.c:9652) 
[ 465.239159][ T4490] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 465.239489][ T4490] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 465.239748][ T4490] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 465.240177][ T4490] br_del_if (net/bridge/br_if.c:743) bridge 
[ 465.240539][ T4490] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 465.240852][ T4490] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 465.241168][ T4490] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 465.241477][ T4490] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 465.241891][ T4490] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 465.242225][ T4490] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 465.242552][ T4490] ? __kernel_text_address (kernel/extable.c:79) 
[ 465.242866][ T4490] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.243178][ T4490] ? __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) 
[ 465.243484][ T4490] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 465.243872][ T4490] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.244184][ T4490] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.244496][ T4490] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 465.244824][ T4490] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 465.245132][ T4490] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.245437][ T4490] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 465.245755][ T4490] ? __create_object (mm/kmemleak.c:771) 
[ 465.246064][ T4490] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 465.246369][ T4490] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 465.246688][ T4490] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 465.247076][ T4490] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 465.247390][ T4490] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 465.247715][ T4490] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 465.248022][ T4490] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.248333][ T4490] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.248657][ T4490] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 465.248961][ T4490] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 465.249268][ T4490] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 465.249594][ T4490] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 465.249900][ T4490] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 465.250205][ T4490] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.250527][ T4490] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 465.250833][ T4490] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 465.251139][ T4490] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 465.251455][ T4490] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 465.251775][ T4490] ? 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) 
[ 465.252092][ T4490] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 465.252400][ T4490] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 465.252717][ T4490] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.253029][ T4490] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 465.253337][ T4490] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 465.253653][ T4490] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 465.253974][ T4490] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 465.254287][ T4490] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 465.254603][ T4490] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 465.254999][ T4490] ___sys_sendmsg (net/socket.c:2670) 
[ 465.255302][ T4490] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 465.255614][ T4490] ? __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) 
[ 465.256000][ T4490] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 465.256314][ T4490] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.256636][ T4490] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.256948][ T4490] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.257254][ T4490] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 465.257574][ T4490] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 465.257887][ T4490] __sys_sendmsg (net/socket.c:2700) 
[ 465.258189][ T4490] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 465.258581][ T4490] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 465.258904][ T4490] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.259209][ T4490] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 465.259528][ T4490] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.259908][ T4490] RIP: 0033:0x7fbb323a11e7
[ 465.260227][ T4490] 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)
[  465.261332][ T4490] RSP: 002b:00007ffd94639678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.261852][ T4490] RAX: ffffffffffffffda RBX: 00007ffd94639da0 RCX: 00007fbb323a11e7
[  465.262325][ T4490] RDX: 0000000000000000 RSI: 00007ffd946396e0 RDI: 0000000000000005
[  465.262794][ T4490] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  465.263259][ T4490] R10: 00007fbb3229eee8 R11: 0000000000000246 R12: 0000000000000003
[  465.263726][ T4490] R13: 00000000686e1976 R14: 0000000000499600 R15: 0000000000000000
| [  465.761806][ T4494] ------------[ cut here ]------------
| [ 465.762161][ T4494] WARNING: CPU: 0 PID: 4494 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) 
| [  465.763219][ T4494] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [  465.764568][ T4494] Tainted: [W]=WARN
[  465.764799][ T4494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 465.765180][ T4494] 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) 
[ 465.765553][ T4494] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  465.766645][ T4494] RSP: 0018:ffffc90008df6f70 EFLAGS: 00010246
[  465.767034][ T4494] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[  465.767488][ T4494] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[  465.767958][ T4494] RBP: ffffc90008df7058 R08: 0000000000000000 R09: 0000000000000000
[  465.768416][ T4494] R10: ffffc90008df7088 R11: ffffffffbbd79160 R12: 1ffff920011bedf2
[  465.768877][ T4494] R13: 00000000000005dc R14: ffffc90008df7088 R15: ffff88800b0daf08
[  465.769362][ T4494] FS:  00007fa6a1f66800(0000) GS:ffff888071ab7000(0000) knlGS:0000000000000000
[  465.769917][ T4494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.770304][ T4494] CR2: 00000000004e5ab0 CR3: 00000000125c4004 CR4: 0000000000772ef0
[  465.770765][ T4494] PKRU: 55555554
[  465.770994][ T4494] Call Trace:
[  465.771222][ T4494]  <TASK>
[ 465.771376][ T4494] ? __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) 
[ 465.771784][ T4494] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 465.772151][ T4494] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 465.772458][ T4494] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 465.772768][ T4494] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 465.773073][ T4494] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 465.773410][ T4494] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 465.773725][ T4494] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 465.774032][ T4494] ? ___sys_sendmsg (net/socket.c:2670) 
[ 465.774378][ T4494] ? __sys_sendmsg (net/socket.c:2700) 
[ 465.774691][ T4494] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 465.775004][ T4494] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 465.775380][ T4494] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.775701][ T4494] netif_set_mtu (net/core/dev.c:9652) 
[ 465.776005][ T4494] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 465.776323][ T4494] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 465.776568][ T4494] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 465.776991][ T4494] br_del_if (net/bridge/br_if.c:743) bridge 
[ 465.777327][ T4494] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 465.777641][ T4494] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 465.777949][ T4494] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 465.778286][ T4494] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 465.778687][ T4494] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 465.779012][ T4494] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 465.779332][ T4494] ? __kernel_text_address (kernel/extable.c:79) 
[ 465.779660][ T4494] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.779985][ T4494] ? __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) 
[ 465.780305][ T4494] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 465.780709][ T4494] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.781037][ T4494] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.781354][ T4494] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 465.781689][ T4494] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 465.782038][ T4494] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.782392][ T4494] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 465.782714][ T4494] ? __create_object (mm/kmemleak.c:771) 
[ 465.783034][ T4494] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 465.783351][ T4494] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 465.783689][ T4494] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 465.784086][ T4494] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 465.784408][ T4494] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 465.784738][ T4494] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 465.785058][ T4494] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.785389][ T4494] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.785719][ T4494] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 465.786034][ T4494] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 465.786390][ T4494] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 465.786729][ T4494] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 465.787050][ T4494] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 465.787374][ T4494] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.787703][ T4494] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 465.788012][ T4494] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 465.788318][ T4494] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 465.788642][ T4494] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 465.788954][ T4494] ? 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) 
[ 465.789259][ T4494] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 465.789576][ T4494] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 465.789885][ T4494] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.790202][ T4494] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 465.790551][ T4494] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 465.790870][ T4494] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 465.791204][ T4494] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 465.791621][ T4494] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 465.791948][ T4494] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 465.792413][ T4494] ___sys_sendmsg (net/socket.c:2670) 
[ 465.792750][ T4494] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 465.793075][ T4494] ? __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) 
[ 465.793474][ T4494] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 465.793814][ T4494] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.794140][ T4494] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.794502][ T4494] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.794835][ T4494] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 465.795153][ T4494] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 465.795479][ T4494] __sys_sendmsg (net/socket.c:2700) 
[ 465.795806][ T4494] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 465.796203][ T4494] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 465.796585][ T4494] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.796913][ T4494] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 465.797235][ T4494] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.797637][ T4494] RIP: 0033:0x7fa6a21331e7
[ 465.797971][ T4494] 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)
[  465.799153][ T4494] RSP: 002b:00007ffd33f96158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.799620][ T4494] RAX: ffffffffffffffda RBX: 00007ffd33f96880 RCX: 00007fa6a21331e7
[  465.800090][ T4494] RDX: 0000000000000000 RSI: 00007ffd33f961c0 RDI: 0000000000000005
[  465.800611][ T4494] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  465.801098][ T4494] R10: 00007fa6a2030ee8 R11: 0000000000000246 R12: 0000000000000003
[  465.801580][ T4494] R13: 00000000686e1977 R14: 0000000000499600 R15: 0000000000000000
| [  466.025858][ T4496] ------------[ cut here ]------------
| [ 466.026209][ T4496] WARNING: CPU: 2 PID: 4496 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) 
| [  466.027402][ T4496] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress 8021q vrf veth
| [  466.028767][ T4496] Tainted: [W]=WARN
[  466.029017][ T4496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 466.029413][ T4496] 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) 
[ 466.029750][ T4496] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  466.030861][ T4496] RSP: 0018:ffffc90008e06f70 EFLAGS: 00010246
[  466.031271][ T4496] RAX: 0000000000000000 RBX: ffff88800b0da000 RCX: 0000000000000001
[  466.031748][ T4496] RDX: 0000000000000000 RSI: ffffffffbb89b941 RDI: ffffffffbb0555e0
[  466.032251][ T4496] RBP: ffffc90008e07058 R08: 0000000000000000 R09: 0000000000000000
[  466.032748][ T4496] R10: ffffc90008e07088 R11: ffffffffbbd79160 R12: 1ffff920011c0df2
[  466.033241][ T4496] R13: 00000000000005dc R14: ffffc90008e07088 R15: ffff88800b0daf08
[  466.033738][ T4496] FS:  00007f038b02b800(0000) GS:ffff888071bb7000(0000) knlGS:0000000000000000
[  466.034310][ T4496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.034723][ T4496] CR2: 00000000004e5aa8 CR3: 00000000125c4006 CR4: 0000000000772ef0
[  466.035232][ T4496] PKRU: 55555554
[  466.035480][ T4496] Call Trace:
[  466.035731][ T4496]  <TASK>
[ 466.035898][ T4496] ? __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) 
[ 466.036296][ T4496] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 466.036672][ T4496] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 466.036994][ T4496] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 466.037312][ T4496] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 466.037642][ T4496] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 466.037965][ T4496] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 466.038284][ T4496] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 466.038615][ T4496] ? ___sys_sendmsg (net/socket.c:2670) 
[ 466.038933][ T4496] ? __sys_sendmsg (net/socket.c:2700) 
[ 466.039247][ T4496] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 466.039573][ T4496] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 466.039964][ T4496] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.040291][ T4496] netif_set_mtu (net/core/dev.c:9652) 
[ 466.040628][ T4496] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 466.040961][ T4496] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 466.041207][ T4496] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 466.041675][ T4496] br_del_if (net/bridge/br_if.c:743) bridge 
[ 466.042059][ T4496] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 466.042396][ T4496] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 466.042760][ T4496] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 466.043107][ T4496] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 466.043535][ T4496] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 466.043887][ T4496] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 466.044224][ T4496] ? __kernel_text_address (kernel/extable.c:79) 
[ 466.044576][ T4496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.044911][ T4496] ? __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) 
[ 466.045269][ T4496] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 466.045700][ T4496] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.046040][ T4496] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.046374][ T4496] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 466.046720][ T4496] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 466.047056][ T4496] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.047381][ T4496] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 466.047713][ T4496] ? __create_object (mm/kmemleak.c:771) 
[ 466.048034][ T4496] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 466.048359][ T4496] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 466.048688][ T4496] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 466.049127][ T4496] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 466.049464][ T4496] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 466.049818][ T4496] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.050134][ T4496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.050455][ T4496] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.050791][ T4496] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 466.051108][ T4496] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.051426][ T4496] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.051754][ T4496] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 466.052086][ T4496] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.052407][ T4496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.052742][ T4496] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 466.053063][ T4496] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.053390][ T4496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 466.053740][ T4496] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 466.054059][ T4496] ? 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) 
[ 466.054377][ T4496] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 466.054706][ T4496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 466.055024][ T4496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.055349][ T4496] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 466.055691][ T4496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 466.056008][ T4496] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 466.056332][ T4496] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 466.056669][ T4496] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 466.056984][ T4496] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 466.057388][ T4496] ___sys_sendmsg (net/socket.c:2670) 
[ 466.057714][ T4496] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 466.058040][ T4496] ? __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) 
[ 466.058433][ T4496] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 466.058781][ T4496] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.059115][ T4496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.059453][ T4496] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.059792][ T4496] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 466.060124][ T4496] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.060469][ T4496] __sys_sendmsg (net/socket.c:2700) 
[ 466.060809][ T4496] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 466.061197][ T4496] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 466.061536][ T4496] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.061862][ T4496] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 466.062217][ T4496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.062641][ T4496] RIP: 0033:0x7f038b1f81e7
[ 466.062997][ T4496] 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)
[  466.064161][ T4496] RSP: 002b:00007ffd1c58d428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.064670][ T4496] RAX: ffffffffffffffda RBX: 00007ffd1c58db50 RCX: 00007f038b1f81e7
[  466.065174][ T4496] RDX: 0000000000000000 RSI: 00007ffd1c58d490 RDI: 0000000000000005
[  466.065673][ T4496] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  466.066166][ T4496] R10: 00007f038b0f5ee8 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