======================================
| [   21.384688][  T325] br1: port 1(vx10) entered forwarding state
| [   21.385956][  T325] ------------[ cut here ]------------
| [ 21.386279][ T325] WARNING: CPU: 0 PID: 325 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.387758][  T325] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   21.388995][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.389406][ T325] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.389744][ T325] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.390916][  T325] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[   21.391331][  T325] RAX: 0000000000000000 RBX: ffff8880091a2000 RCX: 0000000000000001
[   21.391831][  T325] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   21.392325][  T325] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.392821][  T325] R10: ffffc900005c7010 R11: ffffffff8e4a8918 R12: 1ffff920000b8de2
[   21.393317][  T325] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff8880091a2f08
[   21.393812][  T325] FS:  00007f646d95f800(0000) GS:ffff8880a6ab7000(0000) knlGS:0000000000000000
[   21.394381][  T325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.394819][  T325] CR2: 00000000004e5ce0 CR3: 000000000aa7b002 CR4: 0000000000772ef0
[   21.395320][  T325] PKRU: 55555554
[   21.395565][  T325] Call Trace:
[   21.395822][  T325]  <TASK>
[ 21.395995][ T325] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.396324][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.396658][ T325] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.396992][ T325] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.397402][ T325] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.397737][ T325] netif_set_mtu (net/core/dev.c:9652) 
[ 21.398073][ T325] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.398409][ T325] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.398875][ T325] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.399124][ T325] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.399565][ T325] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.399943][ T325] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.400275][ T325] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.400604][ T325] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.401020][ T325] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.401346][ T325] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.401671][ T325] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.402006][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.402335][ T325] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.402656][ T325] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.403067][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.403398][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.403721][ T325] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.404049][ T325] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.404371][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.404724][ T325] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.405059][ T325] ? __create_object (mm/kmemleak.c:771) 
[ 21.405387][ T325] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.405714][ T325] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.406046][ T325] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.406459][ T325] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.406799][ T325] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.407134][ T325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.407462][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.407803][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.408127][ T325] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.408447][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.408771][ T325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.409126][ T325] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.409451][ T325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.409787][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.410127][ T325] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.410453][ T325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.410790][ T325] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.411130][ T325] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.411454][ T325] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.411790][ T325] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.412119][ T325] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.412451][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.412789][ T325] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.413116][ T325] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.413440][ T325] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.413775][ T325] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.414116][ T325] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.414442][ T325] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.414913][ T325] ___sys_sendmsg (net/socket.c:2670) 
[ 21.415241][ T325] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.415559][ T325] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.415975][ T325] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.416305][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.416640][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.416982][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.417317][ T325] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.417648][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.417992][ T325] __sys_sendmsg (net/socket.c:2700) 
[ 21.418317][ T325] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.418722][ T325] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.419069][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.419395][ T325] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.419723][ T325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.420139][  T325] RIP: 0033:0x7f646db2c1e7
[ 21.420478][ T325] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.421641][  T325] RSP: 002b:00007ffe5f214028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.422149][  T325] RAX: ffffffffffffffda RBX: 00007ffe5f214750 RCX: 00007f646db2c1e7
[   21.422636][  T325] RDX: 0000000000000000 RSI: 00007ffe5f214090 RDI: 0000000000000005
[   21.423134][  T325] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.423626][  T325] R10: 0000000034346910 R11: 0000000000000246 R12: 0000000000000004
[   21.424130][  T325] R13: 00000000686e3cd0 R14: 0000000000499600 R15: 0000000000000000
| [   21.946025][  T330] ------------[ cut here ]------------
| [ 21.946358][ T330] WARNING: CPU: 3 PID: 330 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.947634][  T330] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.948911][  T330] Tainted: [W]=WARN
[   21.949167][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.949575][ T330] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.949921][ T330] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.951101][  T330] RSP: 0018:ffffc900004d6ef0 EFLAGS: 00010246
[   21.951512][  T330] RAX: 0000000000000000 RBX: ffff8880091a2000 RCX: 0000000000000001
[   21.952011][  T330] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   21.952496][  T330] RBP: ffffc900004d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.952996][  T330] R10: ffffc900004d7010 R11: ffffffff8e4a8918 R12: 1ffff9200009ade2
[   21.953485][  T330] R13: 00000000000005dc R14: ffffc900004d7010 R15: ffff8880091a2f08
[   21.953978][  T330] FS:  00007faf7ef8f800(0000) GS:ffff8880a6c37000(0000) knlGS:0000000000000000
[   21.954545][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.954981][  T330] CR2: 00000000004e5de8 CR3: 0000000012763004 CR4: 0000000000772ef0
[   21.955475][  T330] PKRU: 55555554
[   21.955721][  T330] Call Trace:
[   21.955982][  T330]  <TASK>
[ 21.956156][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.956487][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.956835][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.957169][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.957578][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.957918][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 21.958247][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.958583][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.959048][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.959299][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.959755][ T330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.960139][ T330] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.960475][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.960815][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.961233][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.961561][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.961895][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.962232][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.962563][ T330] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.962898][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.963302][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.963631][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.963960][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.964285][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.964633][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.964973][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.965302][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 21.965633][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.965967][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.966296][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.966696][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.967042][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.967374][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.967700][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.968040][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.968374][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.968695][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.969036][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.969635][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.969978][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.970320][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.970893][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.971221][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.971552][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.971896][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.972219][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.972552][ T330] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.972888][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.973212][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.973541][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.973876][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.974201][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.974530][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.974878][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.975210][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.975624][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 21.975952][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.976277][ T330] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.976685][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.977019][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.977354][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.977687][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.978021][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.978350][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.978681][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 21.979013][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.979418][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.979757][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.980099][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.980432][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.980850][  T330] RIP: 0033:0x7faf7f15c1e7
[ 21.981187][ T330] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.982588][  T330] RSP: 002b:00007ffda37cec58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.983101][  T330] RAX: ffffffffffffffda RBX: 00007ffda37cf380 RCX: 00007faf7f15c1e7
[   21.983598][  T330] RDX: 0000000000000000 RSI: 00007ffda37cecc0 RDI: 0000000000000005
[   21.984100][  T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.984595][  T330] R10: 0000000012a46910 R11: 0000000000000246 R12: 0000000000000004
[   21.985098][  T330] R13: 00000000686e3cd0 R14: 0000000000499600 R15: 0000000000000000
| [   22.233115][  T332] ------------[ cut here ]------------
| [ 22.233441][ T332] WARNING: CPU: 3 PID: 332 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.234113][  T332] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.235495][  T332] Tainted: [W]=WARN
[   22.235747][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.237008][ T332] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.237385][ T332] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.238578][  T332] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[   22.239022][  T332] RAX: 0000000000000000 RBX: ffff8880091a2000 RCX: 0000000000000001
[   22.239516][  T332] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   22.240032][  T332] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.240519][  T332] R10: ffffc90000557010 R11: ffffffff8e4a8918 R12: 1ffff920000aade2
[   22.241083][  T332] R13: 00000000000005dc R14: ffffc90000557010 R15: ffff8880091a2f08
[   22.241579][  T332] FS:  00007fdde57db800(0000) GS:ffff8880a6c37000(0000) knlGS:0000000000000000
[   22.242164][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.242579][  T332] CR2: 00000000004e5aa8 CR3: 00000000125f4006 CR4: 0000000000772ef0
[   22.243093][  T332] PKRU: 55555554
[   22.243342][  T332] Call Trace:
[   22.243587][  T332]  <TASK>
[ 22.243758][ T332] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.244101][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.244433][ T332] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.244773][ T332] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.245191][ T332] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.245517][ T332] netif_set_mtu (net/core/dev.c:9652) 
[ 22.245855][ T332] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.246192][ T332] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.246655][ T332] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.246927][ T332] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.247372][ T332] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.247743][ T332] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.248082][ T332] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.248410][ T332] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.248831][ T332] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.249162][ T332] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.249491][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.249834][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.250163][ T332] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.250491][ T332] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.250919][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.251245][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.251573][ T332] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.251905][ T332] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.252232][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.252560][ T332] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.252892][ T332] ? __create_object (mm/kmemleak.c:771) 
[ 22.253225][ T332] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.253547][ T332] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.253887][ T332] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.254290][ T332] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.254624][ T332] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.254963][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.255269][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.255582][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.255897][ T332] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.256200][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.256509][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.256819][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.257125][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.257437][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.257747][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.258068][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.258377][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.258694][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.259019][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.259328][ T332] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.259636][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.259948][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.260257][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.260565][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.260885][ T332] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.261202][ T332] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.261514][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.261833][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.262227][ T332] ___sys_sendmsg (net/socket.c:2670) 
[ 22.262530][ T332] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.262858][ T332] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.263254][ T332] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.263565][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.263882][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.264193][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.264498][ T332] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.264821][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.265137][ T332] __sys_sendmsg (net/socket.c:2700) 
[ 22.265447][ T332] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.265841][ T332] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.266163][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.266475][ T332] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.266811][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.267200][  T332] RIP: 0033:0x7fdde59a81e7
[ 22.267516][ T332] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.268624][  T332] RSP: 002b:00007ffde1c44ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.269096][  T332] RAX: ffffffffffffffda RBX: 00007ffde1c45200 RCX: 00007fdde59a81e7
[   22.269559][  T332] RDX: 0000000000000000 RSI: 00007ffde1c44b40 RDI: 0000000000000005
[   22.270031][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.270494][  T332] R10: 000000003c07e910 R11: 0000000000000246 R12: 0000000000000004
[   22.270976][  T332] R13: 00000000686e3cd0 R14: 0000000000499600 R15: 0000000000000000
| [   22.653992][  T335] ------------[ cut here ]------------
| [ 22.654306][ T335] WARNING: CPU: 0 PID: 335 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.654947][  T335] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.656455][  T335] Tainted: [W]=WARN
[   22.656696][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.657099][ T335] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.657419][ T335] 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
[   22.658526][  T335] RSP: 0018:ffffc90000626ef0 EFLAGS: 00010246
[   22.658924][  T335] RAX: 0000000000000000 RBX: ffff8880091a2000 RCX: 0000000000000001
[   22.659383][  T335] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   22.659854][  T335] RBP: ffffc90000626fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.660315][  T335] R10: ffffc90000627010 R11: ffffffff8e4a8918 R12: 1ffff920000c4de2
[   22.660793][  T335] R13: 00000000000005dc R14: ffffc90000627010 R15: ffff8880091a2f08
[   22.661256][  T335] FS:  00007f4cf0f75800(0000) GS:ffff8880a6ab7000(0000) knlGS:0000000000000000
[   22.661799][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.662184][  T335] CR2: 00000000004e5ab0 CR3: 0000000014e02001 CR4: 0000000000772ef0
[   22.662648][  T335] PKRU: 55555554
[   22.662903][  T335] Call Trace:
[   22.663134][  T335]  <TASK>
[ 22.663296][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.663605][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.663931][ T335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.664240][ T335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.664637][ T335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.664968][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 22.665282][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.665602][ T335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.666048][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.666284][ T335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.666706][ T335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.667069][ T335] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.667398][ T335] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.667711][ T335] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.668111][ T335] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.668423][ T335] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.668728][ T335] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.669051][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.669365][ T335] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.669680][ T335] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.670072][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.670381][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.670685][ T335] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.671009][ T335] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.671317][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.671624][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.671945][ T335] ? __create_object (mm/kmemleak.c:771) 
[ 22.672258][ T335] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.672565][ T335] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.672881][ T335] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.673266][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.673585][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.673926][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.674234][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.674552][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.674880][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.675184][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.675496][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.675812][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.676124][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.676434][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.676745][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.677078][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.677387][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.677706][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.678020][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.678330][ T335] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.678643][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.678964][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.679281][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.679595][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.679917][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.680234][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.680547][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.680866][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.681260][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 22.681570][ T335] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.681886][ T335] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.682272][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.682586][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.682905][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.683218][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.683526][ T335] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.683850][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.684163][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 22.684470][ T335] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.684882][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.685199][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.685510][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.685830][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.686217][  T335] RIP: 0033:0x7f4cf11421e7
[ 22.686535][ T335] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.687634][  T335] RSP: 002b:00007ffe7c295a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.688217][  T335] RAX: ffffffffffffffda RBX: 00007ffe7c2961b0 RCX: 00007f4cf11421e7
[   22.688688][  T335] RDX: 0000000000000000 RSI: 00007ffe7c295af0 RDI: 0000000000000005
[   22.689164][  T335] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.689624][  T335] R10: 0000000026b69910 R11: 0000000000000246 R12: 0000000000000004
[   22.690094][  T335] R13: 00000000686e3cd1 R14: 0000000000499600 R15: 0000000000000000
| [   32.078697][  T430] ------------[ cut here ]------------
| [ 32.079049][ T430] WARNING: CPU: 2 PID: 430 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.079678][  T430] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.081031][  T430] Tainted: [W]=WARN
[   32.081278][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.081671][ T430] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.082039][ T430] 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
[   32.083159][  T430] RSP: 0018:ffffc90000516ef0 EFLAGS: 00010246
[   32.083559][  T430] RAX: 0000000000000000 RBX: ffff88800a2ba000 RCX: 0000000000000001
[   32.084042][  T430] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   32.084517][  T430] RBP: ffffc90000516fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.085014][  T430] R10: ffffc90000517010 R11: ffffffff8db79160 R12: 1ffff920000a2de2
[   32.085484][  T430] R13: 00000000000005dc R14: ffffc90000517010 R15: ffff88800a2baf08
[   32.085969][  T430] FS:  00007fe0b4bd9800(0000) GS:ffff8880a6bb7000(0000) knlGS:0000000000000000
[   32.086520][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.086925][  T430] CR2: 00000000004e5ce0 CR3: 000000000ab12002 CR4: 0000000000772ef0
[   32.087395][  T430] PKRU: 55555554
[   32.087636][  T430] Call Trace:
[   32.087886][  T430]  <TASK>
[ 32.088058][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.088381][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.088717][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.089049][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 32.089368][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.089700][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.089957][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.090429][ T430] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.090819][ T430] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.091168][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.091501][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.091940][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.092262][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.092583][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.092914][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.093234][ T430] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.093557][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.093963][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.094292][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.094619][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.094950][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.095269][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.095590][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.095921][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 32.096252][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.096570][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.096900][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.097290][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.097614][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.097949][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.098273][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.098599][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.098933][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.099245][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.099564][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.099899][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.100225][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.100557][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.100888][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.101219][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.101546][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.101896][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.102218][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.102542][ T430] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.102878][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.103205][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.103538][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.103880][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.104201][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.104529][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.104879][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.105199][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.105604][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 32.105940][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.106260][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.106658][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.106995][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.107329][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.107650][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.107980][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.108303][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.108640][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 32.108970][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.109367][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.109712][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.110054][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.110376][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.110769][  T430] RIP: 0033:0x7fe0b4da61e7
[ 32.111112][ T430] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   32.112246][  T430] RSP: 002b:00007fff7bdd1438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.112733][  T430] RAX: ffffffffffffffda RBX: 00007fff7bdd1b60 RCX: 00007fe0b4da61e7
[   32.113232][  T430] RDX: 0000000000000000 RSI: 00007fff7bdd14a0 RDI: 0000000000000005
[   32.113703][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.114188][  T430] R10: 0000000001f85910 R11: 0000000000000246 R12: 0000000000000004
[   32.114676][  T430] R13: 00000000686e3cda R14: 0000000000499600 R15: 0000000000000000
| [   32.664224][  T434] ------------[ cut here ]------------
| [ 32.664538][ T434] WARNING: CPU: 3 PID: 434 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.665187][  T434] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.666486][  T434] Tainted: [W]=WARN
[   32.666720][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.667127][ T434] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.667457][ T434] 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
[   32.668580][  T434] RSP: 0018:ffffc90000b36ef0 EFLAGS: 00010246
[   32.668989][  T434] RAX: 0000000000000000 RBX: ffff88800a2ba000 RCX: 0000000000000001
[   32.669453][  T434] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   32.669952][  T434] RBP: ffffc90000b36fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.670412][  T434] R10: ffffc90000b37010 R11: ffffffff8e4a8918 R12: 1ffff92000166de2
[   32.670895][  T434] R13: 00000000000005dc R14: ffffc90000b37010 R15: ffff88800a2baf08
[   32.671355][  T434] FS:  00007f0d97243800(0000) GS:ffff8880a6c37000(0000) knlGS:0000000000000000
[   32.671937][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.672327][  T434] CR2: 00000000004e5de8 CR3: 00000000097a4002 CR4: 0000000000772ef0
[   32.672808][  T434] PKRU: 55555554
[   32.673041][  T434] Call Trace:
[   32.673271][  T434]  <TASK>
[ 32.673431][ T434] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.673751][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.674081][ T434] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.674396][ T434] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.674817][ T434] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.675130][ T434] netif_set_mtu (net/core/dev.c:9652) 
[ 32.675439][ T434] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.675766][ T434] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.676220][ T434] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.676455][ T434] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.676907][ T434] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.677262][ T434] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.677578][ T434] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.677916][ T434] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.678306][ T434] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.678612][ T434] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.678945][ T434] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.679256][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.679564][ T434] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.679893][ T434] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.680271][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.680582][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.680908][ T434] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.681223][ T434] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.681531][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.681853][ T434] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.682156][ T434] ? __create_object (mm/kmemleak.c:771) 
[ 32.682463][ T434] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.682795][ T434] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.683104][ T434] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.683485][ T434] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.683828][ T434] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.684143][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.684452][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.684823][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.685143][ T434] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.685447][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.685766][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.686088][ T434] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.686406][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.686715][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.687066][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.687384][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.687691][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.688022][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.688329][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.688645][ T434] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.688964][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.689270][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.689580][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.689900][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.690259][ T434] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.690574][ T434] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.690903][ T434] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.691211][ T434] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.691607][ T434] ___sys_sendmsg (net/socket.c:2670) 
[ 32.691924][ T434] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.692230][ T434] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.692615][ T434] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.692932][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.693258][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.693570][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.693905][ T434] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.694214][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.694532][ T434] __sys_sendmsg (net/socket.c:2700) 
[ 32.694860][ T434] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.695243][ T434] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.695568][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.695889][ T434] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.696200][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.696578][  T434] RIP: 0033:0x7f0d974101e7
[ 32.696918][ T434] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   32.698029][  T434] RSP: 002b:00007ffe736d1738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.698491][  T434] RAX: ffffffffffffffda RBX: 00007ffe736d1e60 RCX: 00007f0d974101e7
[   32.698966][  T434] RDX: 0000000000000000 RSI: 00007ffe736d17a0 RDI: 0000000000000005
[   32.699426][  T434] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.699906][  T434] R10: 00000000303b3910 R11: 0000000000000246 R12: 0000000000000004
[   32.700369][  T434] R13: 00000000686e3cdb R14: 0000000000499600 R15: 0000000000000000
| [   32.974201][  T436] ------------[ cut here ]------------
| [ 32.974537][ T436] WARNING: CPU: 2 PID: 436 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.975382][  T436] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.976691][  T436] Tainted: [W]=WARN
[   32.976947][  T436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.977344][ T436] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.977674][ T436] 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
[   32.978793][  T436] RSP: 0018:ffffc90000b56ef0 EFLAGS: 00010246
[   32.979215][  T436] RAX: 0000000000000000 RBX: ffff88800a2ba000 RCX: 0000000000000001
[   32.979685][  T436] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   32.980185][  T436] RBP: ffffc90000b56fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.980664][  T436] R10: ffffc90000b57010 R11: ffffffff8e4a8918 R12: 1ffff9200016ade2
[   32.981161][  T436] R13: 00000000000005dc R14: ffffc90000b57010 R15: ffff88800a2baf08
[   32.981631][  T436] FS:  00007f49df04b800(0000) GS:ffff8880a6bb7000(0000) knlGS:0000000000000000
[   32.982188][  T436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.982592][  T436] CR2: 00000000004e6890 CR3: 00000000160e0006 CR4: 0000000000772ef0
[   32.983094][  T436] PKRU: 55555554
[   32.983348][  T436] Call Trace:
[   32.983599][  T436]  <TASK>
[ 32.983772][ T436] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.984118][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.984448][ T436] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.984790][ T436] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.985198][ T436] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.985520][ T436] netif_set_mtu (net/core/dev.c:9652) 
[ 32.985854][ T436] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.986186][ T436] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.986631][ T436] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.986889][ T436] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.987325][ T436] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.987699][ T436] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.988057][ T436] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.988383][ T436] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.988796][ T436] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.989162][ T436] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.989488][ T436] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.989844][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.990176][ T436] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.990495][ T436] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.990902][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.991229][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.991547][ T436] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.991874][ T436] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.992197][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.992518][ T436] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.992849][ T436] ? __create_object (mm/kmemleak.c:771) 
[ 32.993175][ T436] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.993498][ T436] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.993843][ T436] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.994237][ T436] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.994563][ T436] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.994923][ T436] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.995246][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.995579][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.995909][ T436] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.996229][ T436] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.996549][ T436] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.996881][ T436] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.997204][ T436] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.997533][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.997893][ T436] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.998215][ T436] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.998537][ T436] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.998873][ T436] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.999192][ T436] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.999511][ T436] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.999845][ T436] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.000165][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.000490][ T436] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.000826][ T436] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.001147][ T436] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.001474][ T436] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.001813][ T436] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.002132][ T436] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.002541][ T436] ___sys_sendmsg (net/socket.c:2670) 
[ 33.002868][ T436] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.003189][ T436] ? __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) 
[ 33.003583][ T436] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.003913][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.004235][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.004560][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.004916][ T436] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.005239][ T436] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.005565][ T436] __sys_sendmsg (net/socket.c:2700) 
[ 33.005896][ T436] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.006290][ T436] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.006622][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.006952][ T436] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.007285][ T436] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.007675][  T436] RIP: 0033:0x7f49df2181e7
[ 33.008017][ T436] 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)
[   33.009171][  T436] RSP: 002b:00007fffc7b118c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.009663][  T436] RAX: ffffffffffffffda RBX: 00007fffc7b11ff0 RCX: 00007f49df2181e7
[   33.010154][  T436] RDX: 0000000000000000 RSI: 00007fffc7b11930 RDI: 0000000000000005
[   33.010627][  T436] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.011108][  T436] R10: 0000000019a42910 R11: 0000000000000246 R12: 0000000000000004
[   33.011588][  T436] R13: 00000000686e3cdb R14: 0000000000499600 R15: 0000000000000000
| [   33.363965][  T439] ------------[ cut here ]------------
| [ 33.364294][ T439] WARNING: CPU: 2 PID: 439 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) 
| [   33.364953][  T439] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.366246][  T439] Tainted: [W]=WARN
[   33.366508][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.366919][ T439] 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) 
[ 33.367254][ T439] 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
[   33.368370][  T439] RSP: 0018:ffffc90000b96ef0 EFLAGS: 00010246
[   33.368774][  T439] RAX: 0000000000000000 RBX: ffff88800a2ba000 RCX: 0000000000000001
[   33.369257][  T439] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   33.369729][  T439] RBP: ffffc90000b96fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.370225][  T439] R10: ffffc90000b97010 R11: ffffffff8e4a8918 R12: 1ffff92000172de2
[   33.370699][  T439] R13: 00000000000005dc R14: ffffc90000b97010 R15: ffff88800a2baf08
[   33.371184][  T439] FS:  00007fcc0b1be800(0000) GS:ffff8880a6bb7000(0000) knlGS:0000000000000000
[   33.371726][  T439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.372131][  T439] CR2: 00000000004e6890 CR3: 0000000016124004 CR4: 0000000000772ef0
[   33.372605][  T439] PKRU: 55555554
[   33.372853][  T439] Call Trace:
[   33.373094][  T439]  <TASK>
[ 33.373264][ T439] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.373582][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.373917][ T439] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.374233][ T439] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.374639][ T439] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.374976][ T439] netif_set_mtu (net/core/dev.c:9652) 
[ 33.375300][ T439] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.375627][ T439] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.376084][ T439] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.376329][ T439] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.376761][ T439] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.377140][ T439] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.377478][ T439] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.377812][ T439] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.378218][ T439] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.378537][ T439] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.378885][ T439] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.379211][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.379538][ T439] ? __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) 
[ 33.379865][ T439] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.380258][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.380579][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.380906][ T439] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.381224][ T439] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.381546][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.381876][ T439] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.382193][ T439] ? __create_object (mm/kmemleak.c:771) 
[ 33.382516][ T439] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.382998][ T439] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.383493][ T439] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.384199][ T439] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.384742][ T439] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.385333][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.385911][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.386494][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.387052][ T439] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.387610][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.388182][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.388752][ T439] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.389312][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.389900][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.390486][ T439] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.391077][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.391645][ T439] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.392250][ T439] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.392826][ T439] ? 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) 
[ 33.393404][ T439] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.394003][ T439] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.394580][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.394991][ T439] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.395313][ T439] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.395631][ T439] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.395973][ T439] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.396297][ T439] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.396615][ T439] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.397031][ T439] ___sys_sendmsg (net/socket.c:2670) 
[ 33.397347][ T439] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.397662][ T439] ? __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) 
[ 33.398067][ T439] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.398388][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.398712][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.399043][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.399370][ T439] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.399691][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.400026][ T439] __sys_sendmsg (net/socket.c:2700) 
[ 33.400342][ T439] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.400733][ T439] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.401077][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.401401][ T439] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.401728][ T439] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.402131][  T439] RIP: 0033:0x7fcc0b38b1e7
[ 33.402460][ T439] 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)
[   33.403567][  T439] RSP: 002b:00007ffd384c9178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.404054][  T439] RAX: ffffffffffffffda RBX: 00007ffd384c98a0 RCX: 00007fcc0b38b1e7
[   33.404533][  T439] RDX: 0000000000000000 RSI: 00007ffd384c91e0 RDI: 0000000000000005
[   33.405032][  T439] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.405499][  T439] R10: 0000000013664910 R11: 0000000000000246 R12: 0000000000000004
[   33.405982][  T439] R13: 00000000686e3cdc R14: 0000000000499600 R15: 0000000000000000
| [   75.284283][  T812] ------------[ cut here ]------------
| [ 75.284603][ T812] WARNING: CPU: 0 PID: 812 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) 
| [   75.285240][  T812] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   75.286657][  T812] Tainted: [W]=WARN
[   75.286898][  T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 75.287286][ T812] 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) 
[ 75.287600][ T812] 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
[   75.288701][  T812] RSP: 0018:ffffc90000cd6f70 EFLAGS: 00010246
[   75.289107][  T812] RAX: 0000000000000000 RBX: ffff8880091a2000 RCX: 0000000000000001
[   75.289577][  T812] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   75.290046][  T812] RBP: ffffc90000cd7058 R08: 0000000000000000 R09: 0000000000000000
[   75.290543][  T812] R10: ffffc90000cd7088 R11: ffffffff89a00130 R12: 1ffff9200019adf2
[   75.291019][  T812] R13: 00000000000005dc R14: ffffc90000cd7088 R15: ffff8880091a2f08
[   75.291487][  T812] FS:  00007f0e9b907800(0000) GS:ffff8880a6ab7000(0000) knlGS:0000000000000000
[   75.292316][  T812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.292728][  T812] CR2: 00000000004e5ab0 CR3: 0000000016e96004 CR4: 0000000000772ef0
[   75.293198][  T812] PKRU: 55555554
[   75.293429][  T812] Call Trace:
[   75.293661][  T812]  <TASK>
[ 75.293826][ T812] ? __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) 
[ 75.294211][ T812] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 75.294560][ T812] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.294912][ T812] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.295219][ T812] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 75.295553][ T812] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.295880][ T812] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.296192][ T812] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.296508][ T812] ? ___sys_sendmsg (net/socket.c:2670) 
[ 75.296963][ T812] ? __sys_sendmsg (net/socket.c:2700) 
[ 75.297269][ T812] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.297577][ T812] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 75.297971][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.298288][ T812] netif_set_mtu (net/core/dev.c:9652) 
[ 75.298595][ T812] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 75.298945][ T812] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 75.299189][ T812] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 75.299624][ T812] br_del_if (net/bridge/br_if.c:743) bridge 
[ 75.299997][ T812] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 75.300302][ T812] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.300611][ T812] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.300934][ T812] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 75.301327][ T812] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 75.301632][ T812] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 75.301947][ T812] ? __kernel_text_address (kernel/extable.c:79) 
[ 75.302265][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.302572][ T812] ? __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) 
[ 75.302897][ T812] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 75.303281][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.303589][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.303903][ T812] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 75.304206][ T812] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 75.304512][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.304863][ T812] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 75.305164][ T812] ? __create_object (mm/kmemleak.c:771) 
[ 75.305474][ T812] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 75.305793][ T812] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 75.306101][ T812] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 75.306481][ T812] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 75.306817][ T812] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 75.307137][ T812] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.307442][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.307757][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.308073][ T812] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 75.308375][ T812] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.308685][ T812] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.308998][ T812] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 75.309306][ T812] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.309644][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.309968][ T812] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 75.310279][ T812] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.310584][ T812] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 75.310920][ T812] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 75.311231][ T812] ? 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) 
[ 75.311538][ T812] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.311862][ T812] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 75.312166][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.312477][ T812] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.312795][ T812] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 75.313102][ T812] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 75.313414][ T812] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.313723][ T812] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 75.314039][ T812] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 75.314430][ T812] ___sys_sendmsg (net/socket.c:2670) 
[ 75.314746][ T812] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 75.315073][ T812] ? __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) 
[ 75.315455][ T812] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 75.315761][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.316079][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.316393][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.316701][ T812] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 75.317016][ T812] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.317331][ T812] __sys_sendmsg (net/socket.c:2700) 
[ 75.317630][ T812] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 75.318016][ T812] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 75.318332][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.318637][ T812] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.318971][ T812] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   75.319349][  T812] RIP: 0033:0x7f0e9bad41e7
[ 75.319663][ T812] 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)
[   75.320756][  T812] RSP: 002b:00007ffd7a1456a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   75.321231][  T812] RAX: ffffffffffffffda RBX: 00007ffd7a145dd0 RCX: 00007f0e9bad41e7
[   75.321690][  T812] RDX: 0000000000000000 RSI: 00007ffd7a145710 RDI: 0000000000000005
[   75.322156][  T812] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   75.322611][  T812] R10: 00007f0e9b9d1ee8 R11: 0000000000000246 R12: 0000000000000003
[   75.323096][  T812] R13: 00000000686e3d05 R14: 0000000000499600 R15: 0000000000000000
| [   75.661715][  T815] ------------[ cut here ]------------
| [ 75.662068][ T815] WARNING: CPU: 2 PID: 815 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) 
| [   75.662691][  T815] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   75.664184][  T815] Tainted: [W]=WARN
[   75.664439][  T815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 75.664875][ T815] 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) 
[ 75.665206][ T815] 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
[   75.666308][  T815] RSP: 0018:ffffc90000d06f70 EFLAGS: 00010246
[   75.666708][  T815] RAX: 0000000000000000 RBX: ffff8880091a2000 RCX: 0000000000000001
[   75.667196][  T815] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   75.667667][  T815] RBP: ffffc90000d07058 R08: 0000000000000000 R09: 0000000000000000
[   75.668158][  T815] R10: ffffc90000d07088 R11: ffffffff8db79160 R12: 1ffff920001a0df2
[   75.668632][  T815] R13: 00000000000005dc R14: ffffc90000d07088 R15: ffff8880091a2f08
[   75.669268][  T815] FS:  00007f39b8633800(0000) GS:ffff8880a6bb7000(0000) knlGS:0000000000000000
[   75.669968][  T815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.670671][  T815] CR2: 00000000004e5aa8 CR3: 000000001692d002 CR4: 0000000000772ef0
[   75.671191][  T815] PKRU: 55555554
[   75.671431][  T815] Call Trace:
[   75.671674][  T815]  <TASK>
[ 75.671876][ T815] ? __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) 
[ 75.672279][ T815] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 75.672641][ T815] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.672973][ T815] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.673290][ T815] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 75.673609][ T815] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.673941][ T815] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.674265][ T815] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.674585][ T815] ? ___sys_sendmsg (net/socket.c:2670) 
[ 75.674928][ T815] ? __sys_sendmsg (net/socket.c:2700) 
[ 75.675246][ T815] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.675568][ T815] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 75.675988][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.676320][ T815] netif_set_mtu (net/core/dev.c:9652) 
[ 75.676639][ T815] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 75.676995][ T815] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 75.677240][ T815] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 75.677676][ T815] br_del_if (net/bridge/br_if.c:743) bridge 
[ 75.678040][ T815] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 75.678360][ T815] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.678677][ T815] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.679012][ T815] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 75.679418][ T815] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 75.679738][ T815] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 75.680077][ T815] ? __kernel_text_address (kernel/extable.c:79) 
[ 75.680404][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.680724][ T815] ? __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) 
[ 75.681054][ T815] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 75.681443][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.681769][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.682097][ T815] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 75.682415][ T815] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 75.682733][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.683080][ T815] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 75.683395][ T815] ? __create_object (mm/kmemleak.c:771) 
[ 75.683717][ T815] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 75.684057][ T815] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 75.684389][ T815] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 75.684799][ T815] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 75.685131][ T815] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 75.685452][ T815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.685768][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.686104][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.686429][ T815] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 75.686745][ T815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.687084][ T815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.687401][ T815] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 75.687720][ T815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.688065][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.688394][ T815] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 75.688710][ T815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.689042][ T815] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 75.689375][ T815] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 75.689692][ T815] ? 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) 
[ 75.690021][ T815] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.690343][ T815] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 75.690658][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.690992][ T815] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.691312][ T815] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 75.691636][ T815] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 75.691988][ T815] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.692314][ T815] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 75.692628][ T815] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 75.693045][ T815] ___sys_sendmsg (net/socket.c:2670) 
[ 75.693359][ T815] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 75.693706][ T815] ? __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) 
[ 75.694122][ T815] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 75.694447][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.694799][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.695131][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.695449][ T815] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 75.695766][ T815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.696115][ T815] __sys_sendmsg (net/socket.c:2700) 
[ 75.696434][ T815] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 75.696843][ T815] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 75.697176][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.697497][ T815] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.697828][ T815] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   75.698216][  T815] RIP: 0033:0x7f39b88001e7
[ 75.698546][ T815] 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)
[   75.699648][  T815] RSP: 002b:00007ffd397c01b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   75.700144][  T815] RAX: ffffffffffffffda RBX: 00007ffd397c08e0 RCX: 00007f39b88001e7
[   75.700611][  T815] RDX: 0000000000000000 RSI: 00007ffd397c0220 RDI: 0000000000000005
[   75.701103][  T815] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   75.701572][  T815] R10: 00007f39b86fdee8 R11: 0000000000000246 R12: 0000000000000003
[   75.702046][  T815] R13: 00000000686e3d06 R14: 0000000000499600 R15: 0000000000000000
| [   75.936200][  T817] ------------[ cut here ]------------
| [ 75.936519][ T817] WARNING: CPU: 0 PID: 817 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) 
| [   75.938108][  T817] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   75.939556][  T817] Tainted: [W]=WARN
[   75.939796][  T817] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 75.940179][ T817] 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) 
[ 75.940494][ T817] 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
[   75.941590][  T817] RSP: 0018:ffffc90000d16f70 EFLAGS: 00010246
[   75.941984][  T817] RAX: 0000000000000000 RBX: ffff8880091a2000 RCX: 0000000000000001
[   75.942477][  T817] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   75.942943][  T817] RBP: ffffc90000d17058 R08: 0000000000000000 R09: 0000000000000000
[   75.943405][  T817] R10: ffffc90000d17088 R11: ffffffff8db79160 R12: 1ffff920001a2df2
[   75.943869][  T817] R13: 00000000000005dc R14: ffffc90000d17088 R15: ffff8880091a2f08
[   75.944327][  T817] FS:  00007f1ae493f800(0000) GS:ffff8880a6ab7000(0000) knlGS:0000000000000000
[   75.944875][  T817] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.945258][  T817] CR2: 00000000004e5de8 CR3: 0000000013007005 CR4: 0000000000772ef0
[   75.945722][  T817] PKRU: 55555554
[   75.945960][  T817] Call Trace:
[   75.946190][  T817]  <TASK>
[ 75.946345][ T817] ? __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) 
[ 75.946731][ T817] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 75.947097][ T817] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.947403][ T817] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.947714][ T817] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 75.948026][ T817] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.948331][ T817] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.948641][ T817] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.948953][ T817] ? ___sys_sendmsg (net/socket.c:2670) 
[ 75.949256][ T817] ? __sys_sendmsg (net/socket.c:2700) 
[ 75.949560][ T817] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.949873][ T817] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 75.950258][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.950572][ T817] netif_set_mtu (net/core/dev.c:9652) 
[ 75.950888][ T817] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 75.951208][ T817] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 75.951438][ T817] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 75.951865][ T817] br_del_if (net/bridge/br_if.c:743) bridge 
[ 75.952207][ T817] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 75.952517][ T817] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.952846][ T817] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.953155][ T817] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 75.953537][ T817] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 75.953850][ T817] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 75.954157][ T817] ? __kernel_text_address (kernel/extable.c:79) 
[ 75.954465][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.954797][ T817] ? __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) 
[ 75.955106][ T817] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 75.955484][ T817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.955803][ T817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.956109][ T817] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 75.956410][ T817] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 75.956711][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.957022][ T817] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 75.957329][ T817] ? __create_object (mm/kmemleak.c:771) 
[ 75.957635][ T817] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 75.957946][ T817] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 75.958253][ T817] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 75.958627][ T817] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 75.958944][ T817] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 75.959251][ T817] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.959559][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.959885][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.960189][ T817] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 75.960489][ T817] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.960803][ T817] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.961108][ T817] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 75.961414][ T817] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.961718][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.962038][ T817] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 75.962343][ T817] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.962646][ T817] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 75.962967][ T817] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 75.963269][ T817] ? 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) 
[ 75.963574][ T817] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.963888][ T817] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 75.964196][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.964506][ T817] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.964842][ T817] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 75.965146][ T817] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 75.965457][ T817] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.965765][ T817] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 75.966078][ T817] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 75.966476][ T817] ___sys_sendmsg (net/socket.c:2670) 
[ 75.966787][ T817] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 75.967089][ T817] ? __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) 
[ 75.967472][ T817] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 75.967818][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.968127][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.968437][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.968750][ T817] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 75.969064][ T817] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.969377][ T817] __sys_sendmsg (net/socket.c:2700) 
[ 75.969677][ T817] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 75.970061][ T817] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 75.970376][ T817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.970682][ T817] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.970996][ T817] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   75.971376][  T817] RIP: 0033:0x7f1ae4b0c1e7
[ 75.971696][ T817] 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)
[   75.972821][  T817] RSP: 002b:00007ffcd4a4d128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   75.973291][  T817] RAX: ffffffffffffffda RBX: 00007ffcd4a4d850 RCX: 00007f1ae4b0c1e7
[   75.973745][  T817] RDX: 0000000000000000 RSI: 00007ffcd4a4d190 RDI: 0000000000000005
[   75.974209][  T817] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   75.974669][  T817] R10: 00007f1ae4a09ee8 R11: 0000000000000246 R12: 0000000000000003
[   75.975154][  T817] R13: 00000000686e3d06 R14: 0000000000499600 R15: 0000000000000000
| [   76.471574][  T821] ------------[ cut here ]------------
| [ 76.472233][ T821] WARNING: CPU: 2 PID: 821 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) 
| [   76.472862][  T821] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   76.474315][  T821] Tainted: [W]=WARN
[   76.474564][  T821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 76.475063][ T821] 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) 
[ 76.475400][ T821] 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
[   76.476514][  T821] RSP: 0018:ffffc90000d46f70 EFLAGS: 00010246
[   76.476953][  T821] RAX: 0000000000000000 RBX: ffff8880091a2000 RCX: 0000000000000001
[   76.477433][  T821] RDX: 0000000000000000 RSI: ffffffff8d69b941 RDI: ffffffff8ce555e0
[   76.477911][  T821] RBP: ffffc90000d47058 R08: 0000000000000000 R09: 0000000000000000
[   76.478383][  T821] R10: ffffc90000d47088 R11: ffffffff8db79160 R12: 1ffff920001a8df2
[   76.478885][  T821] R13: 00000000000005dc R14: ffffc90000d47088 R15: ffff8880091a2f08
[   76.479353][  T821] FS:  00007ff0b9293800(0000) GS:ffff8880a6bb7000(0000) knlGS:0000000000000000
[   76.479915][  T821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.480319][  T821] CR2: 00000000004e5ce0 CR3: 00000000162f6005 CR4: 0000000000772ef0
[   76.480803][  T821] PKRU: 55555554
[   76.481053][  T821] Call Trace:
[   76.481295][  T821]  <TASK>
[ 76.481464][ T821] ? __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) 
[ 76.481875][ T821] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 76.482240][ T821] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 76.482567][ T821] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 76.482899][ T821] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 76.483219][ T821] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 76.483536][ T821] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 76.483863][ T821] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 76.484181][ T821] ? ___sys_sendmsg (net/socket.c:2670) 
[ 76.484506][ T821] ? __sys_sendmsg (net/socket.c:2700) 
[ 76.484855][ T821] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 76.485178][ T821] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 76.485570][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 76.485907][ T821] netif_set_mtu (net/core/dev.c:9652) 
[ 76.486226][ T821] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 76.486560][ T821] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 76.486812][ T821] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 76.487248][ T821] br_del_if (net/bridge/br_if.c:743) bridge 
[ 76.487599][ T821] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 76.487937][ T821] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 76.488262][ T821] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 76.488583][ T821] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 76.488990][ T821] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 76.489308][ T821] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 76.489624][ T821] ? __kernel_text_address (kernel/extable.c:79) 
[ 76.489967][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.490296][ T821] ? __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) 
[ 76.490620][ T821] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 76.491030][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 76.491348][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 76.491665][ T821] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 76.491993][ T821] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 76.492314][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 76.492639][ T821] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 76.492967][ T821] ? __create_object (mm/kmemleak.c:771) 
[ 76.493292][ T821] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 76.493621][ T821] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 76.493950][ T821] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 76.494345][ T821] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 76.494678][ T821] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 76.495040][ T821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 76.495366][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.495692][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 76.496024][ T821] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 76.496340][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 76.496662][ T821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 76.496994][ T821] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 76.497315][ T821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 76.497638][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.497982][ T821] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 76.498305][ T821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 76.498621][ T821] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 76.498964][ T821] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 76.499278][ T821] ? 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) 
[ 76.499600][ T821] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 76.499934][ T821] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 76.500258][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.500580][ T821] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 76.500934][ T821] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 76.501260][ T821] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 76.501584][ T821] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 76.501918][ T821] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 76.502237][ T821] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 76.502645][ T821] ___sys_sendmsg (net/socket.c:2670) 
[ 76.502967][ T821] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 76.503283][ T821] ? __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) 
[ 76.503677][ T821] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 76.504008][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 76.504330][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.504658][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 76.505001][ T821] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 76.505320][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 76.505645][ T821] __sys_sendmsg (net/socket.c:2700) 
[ 76.505977][ T821] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 76.506366][ T821] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 76.506700][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 76.507054][ T821] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 76.507390][ T821] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   76.507796][  T821] RIP: 0033:0x7ff0b94601e7
[ 76.508127][ T821] 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)
[   76.509244][  T821] RSP: 002b:00007fff0b70e798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   76.509737][  T821] RAX: ffffffffffffffda RBX: 00007fff0b70eec0 RCX: 00007ff0b94601e7
[   76.510221][  T821] RDX: 0000000000000000 RSI: 00007fff0b70e800 RDI: 0000000000000005
[   76.510691][  T821] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   76.511173][  T821] R10: 00007ff0b935dee8 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