======================================
| [   21.605670][  T330] veth1: entered promiscuous mode
| [   21.607443][  T330] ------------[ cut here ]------------
| [ 21.607753][ T330] WARNING: CPU: 1 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) 
| [   21.608366][  T330] Modules linked in: bridge stp llc 8021q vrf veth
[   21.609555][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.610147][ 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) 
[ 21.610466][ 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
[   21.611818][  T330] RSP: 0018:ffffc90000ae6ef0 EFLAGS: 00010246
[   21.612442][  T330] RAX: 0000000000000000 RBX: ffff888008cba000 RCX: 0000000000000001
[   21.613061][  T330] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   21.613518][  T330] RBP: ffffc90000ae6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.614127][  T330] R10: ffffc90000ae7010 R11: ffffffff9c8a8918 R12: 1ffff9200015cde2
[   21.614585][  T330] R13: 00000000000005dc R14: ffffc90000ae7010 R15: ffff888008cbaf08
[   21.615188][  T330] FS:  00007ff9036cd800(0000) GS:ffff888098737000(0000) knlGS:0000000000000000
[   21.615723][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.616121][  T330] CR2: 00000000004e6890 CR3: 000000000f86b005 CR4: 0000000000772ef0
[   21.616582][  T330] PKRU: 55555554
[   21.616811][  T330] Call Trace:
[   21.617075][  T330]  <TASK>
[ 21.617242][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.617549][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.617874][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.618179][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.618564][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.618881][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 21.619189][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.619502][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.619933][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.620163][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.620578][ T330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.620946][ T330] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.621257][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.621760][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.622160][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.622463][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.622765][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.623187][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.623506][ 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) 
[ 21.623814][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.624202][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.624509][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.624825][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.625159][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.625470][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.625775][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.626088][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 21.626397][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.626702][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.627018][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.627396][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.627707][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.628033][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.628338][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.628647][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.628977][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.629289][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.629594][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.629909][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.630214][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.630528][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.630836][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.631154][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.631460][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.631779][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.632091][ 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) 
[ 21.632402][ T330] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.632710][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.633035][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.633347][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.633653][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.633968][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.634280][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.634585][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.634916][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.635307][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 21.635606][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.635920][ 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) 
[ 21.636299][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.636603][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.636932][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.637249][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.637551][ 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) 
[ 21.637864][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.638175][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 21.638474][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.638857][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.639174][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.639485][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.639790][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.640173][  T330] RIP: 0033:0x7ff90389a1e7
[ 21.640493][ 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)
[   21.641607][  T330] RSP: 002b:00007ffc344726b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.642087][  T330] RAX: ffffffffffffffda RBX: 00007ffc34472de0 RCX: 00007ff90389a1e7
[   21.642544][  T330] RDX: 0000000000000000 RSI: 00007ffc34472720 RDI: 0000000000000005
[   21.643009][  T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.643465][  T330] R10: 000000001e657910 R11: 0000000000000246 R12: 0000000000000004
[   21.643935][  T330] R13: 00000000686e15c2 R14: 0000000000499600 R15: 0000000000000000
| [   22.757879][  T343] ------------[ cut here ]------------
| [ 22.758191][ T343] WARNING: CPU: 1 PID: 343 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) 
| [   22.758791][  T343] Modules linked in: bridge stp llc 8021q vrf veth
| [   22.760590][  T343] Tainted: [W]=WARN
[   22.760825][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.761216][ T343] 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) 
[ 22.761533][ T343] 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
[   22.762629][  T343] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[   22.763026][  T343] RAX: 0000000000000000 RBX: ffff88800b12a000 RCX: 0000000000000001
[   22.763484][  T343] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   22.763948][  T343] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.764411][  T343] R10: ffffc90000557010 R11: ffffffff9c8a8918 R12: 1ffff920000aade2
[   22.764890][  T343] R13: 00000000000005dc R14: ffffc90000557010 R15: ffff88800b12af08
[   22.765347][  T343] FS:  00007fbb6114d800(0000) GS:ffff888098737000(0000) knlGS:0000000000000000
[   22.765891][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.766275][  T343] CR2: 00000000004e6898 CR3: 000000000a5fd004 CR4: 0000000000772ef0
[   22.766739][  T343] PKRU: 55555554
[   22.766978][  T343] Call Trace:
[   22.767209][  T343]  <TASK>
[ 22.767368][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.767673][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.768000][ T343] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.768306][ T343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.768686][ T343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.769015][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 22.769324][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.769639][ T343] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.770070][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.770301][ T343] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.770712][ T343] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.771071][ T343] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.771382][ T343] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.771693][ T343] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.772090][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.772394][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.772697][ T343] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.773021][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.773337][ T343] ? __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) 
[ 22.773643][ T343] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.774050][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.774358][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.774660][ T343] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.774985][ T343] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.775288][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.775598][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.775911][ T343] ? __create_object (mm/kmemleak.c:771) 
[ 22.776217][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.776521][ T343] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.776825][ T343] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.777229][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.777541][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.777869][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.778185][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.778493][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.778795][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.779105][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.779410][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.779711][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.780022][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.780329][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.780642][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.780951][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.781262][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.781575][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.781889][ T343] ? 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) 
[ 22.782196][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.782499][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.782807][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.783127][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.783436][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.783739][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.784061][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.784370][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.784678][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.785124][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 22.785430][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.785732][ T343] ? __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) 
[ 22.786132][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.786461][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.786766][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.787084][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.787396][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.787699][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.788021][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 22.788333][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.788709][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.789033][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.789337][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.789649][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.790044][  T343] RIP: 0033:0x7fbb6131a1e7
[ 22.790367][ T343] 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)
[   22.791453][  T343] RSP: 002b:00007ffee9cf8148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.791933][  T343] RAX: ffffffffffffffda RBX: 00007ffee9cf8870 RCX: 00007fbb6131a1e7
[   22.792388][  T343] RDX: 0000000000000000 RSI: 00007ffee9cf81b0 RDI: 0000000000000005
[   22.792855][  T343] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.793307][  T343] R10: 000000000e293910 R11: 0000000000000246 R12: 0000000000000004
[   22.793765][  T343] R13: 00000000686e15c3 R14: 0000000000499600 R15: 0000000000000000
| [   35.660609][  T407] ------------[ cut here ]------------
| [ 35.660978][ T407] WARNING: CPU: 2 PID: 407 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) 
| [   35.661602][  T407] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.662657][  T407] Tainted: [W]=WARN
[   35.662916][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.663314][ T407] 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) 
[ 35.663640][ T407] 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
[   35.664765][  T407] RSP: 0018:ffffc90000926f70 EFLAGS: 00010246
[   35.665195][  T407] RAX: 0000000000000000 RBX: ffff888008cba000 RCX: 0000000000000001
[   35.665666][  T407] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   35.666147][  T407] RBP: ffffc90000927058 R08: 0000000000000000 R09: 0000000000000000
[   35.666616][  T407] R10: ffffc90000927088 R11: ffffffff97e00130 R12: 1ffff92000124df2
[   35.667116][  T407] R13: 00000000000005dc R14: ffffc90000927088 R15: ffff888008cbaf08
[   35.667582][  T407] FS:  00007f7183c2f800(0000) GS:ffff8880987b7000(0000) knlGS:0000000000000000
[   35.668821][  T407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.669239][  T407] CR2: 00000000004e7398 CR3: 0000000009e14004 CR4: 0000000000772ef0
[   35.669723][  T407] PKRU: 55555554
[   35.669974][  T407] Call Trace:
[   35.670215][  T407]  <TASK>
[ 35.670382][ T407] ? __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) 
[ 35.670779][ T407] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.671146][ T407] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.671468][ T407] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.671784][ T407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.672125][ T407] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.672445][ T407] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.672764][ T407] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.673094][ T407] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.673415][ T407] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.673729][ T407] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.674058][ T407] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.674447][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.674799][ T407] netif_set_mtu (net/core/dev.c:9652) 
[ 35.675130][ T407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.675466][ T407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.675709][ T407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.676148][ T407] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.676491][ T407] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.676805][ T407] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.677143][ T407] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.677474][ T407] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.677884][ T407] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.678202][ T407] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.678517][ T407] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.678837][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.679169][ T407] ? __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) 
[ 35.679491][ T407] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.679890][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.680209][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.680521][ T407] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.680834][ T407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.681163][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.681479][ T407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.681795][ T407] ? __create_object (mm/kmemleak.c:771) 
[ 35.682133][ T407] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.682453][ T407] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.682766][ T407] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.683166][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.683488][ T407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.683813][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.684140][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.684463][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.684805][ T407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.685135][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.685451][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.685766][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.686092][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.686419][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.686737][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.687070][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.687387][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.687716][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.688038][ T407] ? 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) 
[ 35.688357][ T407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.688675][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.689002][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.689330][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.689649][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.689978][ T407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.690301][ T407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.690621][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.690955][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.691356][ T407] ___sys_sendmsg (net/socket.c:2670) 
[ 35.691676][ T407] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.692004][ T407] ? __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) 
[ 35.692398][ T407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.692717][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.693048][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.693370][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.693687][ T407] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.694019][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.694343][ T407] __sys_sendmsg (net/socket.c:2700) 
[ 35.694656][ T407] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.695070][ T407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.695398][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.695714][ T407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.696045][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.696433][  T407] RIP: 0033:0x7f7183dfc1e7
[ 35.696768][ T407] 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)
[   35.697874][  T407] RSP: 002b:00007ffeb4c20ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.698349][  T407] RAX: ffffffffffffffda RBX: 00007ffeb4c213d0 RCX: 00007f7183dfc1e7
[   35.698822][  T407] RDX: 0000000000000000 RSI: 00007ffeb4c20d10 RDI: 0000000000000005
[   35.699302][  T407] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.699770][  T407] R10: 00007f7183cf9ee8 R11: 0000000000000246 R12: 0000000000000003
[   35.700250][  T407] R13: 00000000686e15d0 R14: 0000000000499600 R15: 0000000000000000
| [   35.816480][  T408] ------------[ cut here ]------------
| [ 35.816796][ T408] WARNING: CPU: 3 PID: 408 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) 
| [   35.817416][  T408] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.818935][  T408] Tainted: [W]=WARN
[   35.819169][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.819548][ T408] 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) 
[ 35.819874][ T408] 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
[   35.820980][  T408] RSP: 0018:ffffc90000926f70 EFLAGS: 00010246
[   35.821368][  T408] RAX: 0000000000000000 RBX: ffff88800b12a000 RCX: 0000000000000001
[   35.821823][  T408] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   35.822291][  T408] RBP: ffffc90000927058 R08: 0000000000000000 R09: 0000000000000000
[   35.822745][  T408] R10: ffffc90000927088 R11: ffffffff9bf79160 R12: 1ffff92000124df2
[   35.823207][  T408] R13: 00000000000005dc R14: ffffc90000927088 R15: ffff88800b12af08
[   35.823661][  T408] FS:  00007fe0cf0c1800(0000) GS:ffff888098837000(0000) knlGS:0000000000000000
[   35.824202][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.824585][  T408] CR2: 00000000004e73a8 CR3: 000000000999c004 CR4: 0000000000772ef0
[   35.825076][  T408] PKRU: 55555554
[   35.825305][  T408] Call Trace:
[   35.825531][  T408]  <TASK>
[ 35.825704][ T408] ? __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) 
[ 35.826093][ T408] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.826441][ T408] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.826744][ T408] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.827055][ T408] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.827357][ T408] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.827659][ T408] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.827968][ T408] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.828273][ T408] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.828572][ T408] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.828898][ T408] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.829201][ T408] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.829575][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.829896][ T408] netif_set_mtu (net/core/dev.c:9652) 
[ 35.830200][ T408] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.830518][ T408] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.830747][ T408] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.831170][ T408] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.831499][ T408] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.831803][ T408] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.832119][ T408] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.832427][ T408] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.832811][ T408] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.833132][ T408] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.833442][ T408] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.833746][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.834063][ T408] ? __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) 
[ 35.834364][ T408] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.834750][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.835065][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.835366][ T408] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.835673][ T408] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.835985][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.836288][ T408] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.836589][ T408] ? __create_object (mm/kmemleak.c:771) 
[ 35.836918][ T408] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.837223][ T408] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.837524][ T408] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.837909][ T408] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.838225][ T408] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.838531][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.838831][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.839148][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.839450][ T408] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.839746][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.840057][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.840359][ T408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.840667][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.841009][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.841327][ T408] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.841629][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.841942][ T408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.842258][ T408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.842560][ T408] ? 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) 
[ 35.842877][ T408] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.843184][ T408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.843485][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.843793][ T408] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.844110][ T408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.844416][ T408] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.844739][ T408] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.845070][ T408] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.845374][ T408] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.845759][ T408] ___sys_sendmsg (net/socket.c:2670) 
[ 35.846069][ T408] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.846371][ T408] ? __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) 
[ 35.846748][ T408] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.847062][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.847374][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.847689][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.848003][ T408] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.848305][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.848615][ T408] __sys_sendmsg (net/socket.c:2700) 
[ 35.848934][ T408] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.849309][ T408] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.849630][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.849940][ T408] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.850247][ T408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.850626][  T408] RIP: 0033:0x7fe0cf28e1e7
[ 35.850950][ T408] 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)
[   35.852033][  T408] RSP: 002b:00007ffe44c8dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.852493][  T408] RAX: ffffffffffffffda RBX: 00007ffe44c8e3a0 RCX: 00007fe0cf28e1e7
[   35.852964][  T408] RDX: 0000000000000000 RSI: 00007ffe44c8dce0 RDI: 0000000000000005
[   35.853416][  T408] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.853886][  T408] R10: 00007fe0cf18bee8 R11: 0000000000000246 R12: 0000000000000003
[   35.854340][  T408] R13: 00000000686e15d0 R14: 0000000000499600 R15: 0000000000000000
| [   38.059398][  T410] ------------[ cut here ]------------
| [ 38.059726][ T410] WARNING: CPU: 2 PID: 410 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) 
| [   38.060372][  T410] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.061659][  T410] Tainted: [W]=WARN
[   38.062152][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.062731][ T410] 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) 
[ 38.063216][ T410] 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
[   38.064372][  T410] RSP: 0018:ffffc90000946ef0 EFLAGS: 00010246
[   38.064786][  T410] RAX: 0000000000000000 RBX: ffff88800b12a000 RCX: 0000000000000001
[   38.065264][  T410] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   38.065738][  T410] RBP: ffffc90000946fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.066221][  T410] R10: ffffc90000947010 R11: ffffffff9c8a8918 R12: 1ffff92000128de2
[   38.066698][  T410] R13: 00000000000005dc R14: ffffc90000947010 R15: ffff88800b12af08
[   38.067178][  T410] FS:  00007f4662456800(0000) GS:ffff8880987b7000(0000) knlGS:0000000000000000
[   38.067724][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.068149][  T410] CR2: 00000000004e6898 CR3: 000000000999c001 CR4: 0000000000772ef0
[   38.068634][  T410] PKRU: 55555554
[   38.068902][  T410] Call Trace:
[   38.069144][  T410]  <TASK>
[ 38.069314][ T410] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.069634][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.069972][ T410] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.070291][ T410] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.070681][ T410] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.071022][ T410] netif_set_mtu (net/core/dev.c:9652) 
[ 38.071346][ T410] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.071675][ T410] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.072142][ T410] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.072399][ T410] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.072824][ T410] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.073198][ T410] do_set_master (net/core/rtnetlink.c:2948) 
[ 38.073533][ T410] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.073870][ T410] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.074274][ T410] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.074594][ T410] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.074938][ T410] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.075262][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.075581][ T410] ? __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) 
[ 38.075935][ T410] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.076331][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.076660][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.076990][ T410] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.077309][ T410] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.077630][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.077963][ T410] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.078289][ T410] ? __create_object (mm/kmemleak.c:771) 
[ 38.078611][ T410] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.078942][ T410] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.079261][ T410] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.079655][ T410] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.080014][ T410] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.080343][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.080668][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.081008][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.081330][ T410] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.081653][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.081982][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.082299][ T410] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.082617][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.082948][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.083286][ T410] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.083603][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.083945][ T410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.084282][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.084601][ T410] ? 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) 
[ 38.084938][ T410] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.085264][ T410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.085586][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.085924][ T410] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.086249][ T410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.086571][ T410] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.086908][ T410] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.087233][ T410] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.087549][ T410] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.087986][ T410] ___sys_sendmsg (net/socket.c:2670) 
[ 38.088306][ T410] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.088624][ T410] ? __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) 
[ 38.089026][ T410] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.089350][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.089670][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.090003][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.090325][ T410] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.090647][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.090980][ T410] __sys_sendmsg (net/socket.c:2700) 
[ 38.091294][ T410] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.091679][ T410] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.092031][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.092358][ T410] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.092689][ T410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.093114][  T410] RIP: 0033:0x7f46626231e7
[ 38.093468][ T410] 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)
[   38.094583][  T410] RSP: 002b:00007ffc8539bee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.095084][  T410] RAX: ffffffffffffffda RBX: 00007ffc8539c610 RCX: 00007f46626231e7
[   38.095551][  T410] RDX: 0000000000000000 RSI: 00007ffc8539bf50 RDI: 0000000000000005
[   38.096039][  T410] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.096509][  T410] R10: 000000002cfb2910 R11: 0000000000000246 R12: 0000000000000004
[   38.096987][  T410] R13: 00000000686e15d2 R14: 0000000000499600 R15: 0000000000000000
| [   38.284384][  T411] ------------[ cut here ]------------
| [ 38.284699][ T411] WARNING: CPU: 0 PID: 411 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) 
| [   38.285809][  T411] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.286833][  T411] Tainted: [W]=WARN
[   38.287075][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.287461][ T411] 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) 
[ 38.287781][ T411] 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
[   38.288887][  T411] RSP: 0018:ffffc90000946ef0 EFLAGS: 00010246
[   38.289275][  T411] RAX: 0000000000000000 RBX: ffff888008cba000 RCX: 0000000000000001
[   38.289740][  T411] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   38.290213][  T411] RBP: ffffc90000946fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.290670][  T411] R10: ffffc90000947010 R11: ffffffff9c8a8918 R12: 1ffff92000128de2
[   38.291132][  T411] R13: 00000000000005dc R14: ffffc90000947010 R15: ffff888008cbaf08
[   38.291589][  T411] FS:  00007f705fd97800(0000) GS:ffff8880986b7000(0000) knlGS:0000000000000000
[   38.292132][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.292517][  T411] CR2: 00000000004e6890 CR3: 0000000008d6e006 CR4: 0000000000772ef0
[   38.292985][  T411] PKRU: 55555554
[   38.293213][  T411] Call Trace:
[   38.293441][  T411]  <TASK>
[ 38.293599][ T411] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.294069][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.294384][ T411] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.294697][ T411] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.295223][ T411] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.295530][ T411] netif_set_mtu (net/core/dev.c:9652) 
[ 38.295832][ T411] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.296298][ T411] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.296724][ T411] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.297077][ T411] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.297491][ T411] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.297835][ T411] do_set_master (net/core/rtnetlink.c:2948) 
[ 38.298170][ T411] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.298480][ T411] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.298879][ T411] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.299193][ T411] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.299498][ T411] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.299809][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.300130][ T411] ? __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) 
[ 38.300434][ T411] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.300810][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.301127][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.301433][ T411] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.301737][ T411] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.302055][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.302359][ T411] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.302660][ T411] ? __create_object (mm/kmemleak.c:771) 
[ 38.302979][ T411] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.303285][ T411] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.303593][ T411] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.303981][ T411] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.304293][ T411] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.304610][ T411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.305720][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.307234][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.307555][ T411] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.307874][ T411] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.308191][ T411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.308500][ T411] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.308810][ T411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.309134][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.309447][ T411] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.309761][ T411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.310082][ T411] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.310407][ T411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.310711][ T411] ? 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) 
[ 38.311028][ T411] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.311337][ T411] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.311640][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.311959][ T411] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.312268][ T411] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.312578][ T411] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.312901][ T411] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.313208][ T411] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.313512][ T411] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.313916][ T411] ___sys_sendmsg (net/socket.c:2670) 
[ 38.314218][ T411] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.314522][ T411] ? __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) 
[ 38.314935][ T411] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.315244][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.315555][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.315874][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.316179][ T411] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.316485][ T411] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.316797][ T411] __sys_sendmsg (net/socket.c:2700) 
[ 38.317111][ T411] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.317493][ T411] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.317811][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.318131][ T411] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.318445][ T411] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.318822][  T411] RIP: 0033:0x7f705ff641e7
[ 38.319149][ T411] 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)
[   38.320250][  T411] RSP: 002b:00007ffc01041558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.320712][  T411] RAX: ffffffffffffffda RBX: 00007ffc01041c80 RCX: 00007f705ff641e7
[   38.321177][  T411] RDX: 0000000000000000 RSI: 00007ffc010415c0 RDI: 0000000000000005
[   38.321639][  T411] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.322114][  T411] R10: 0000000029044910 R11: 0000000000000246 R12: 0000000000000004
[   38.322571][  T411] R13: 00000000686e15d2 R14: 0000000000499600 R15: 0000000000000000
| [   44.796559][  T463] ------------[ cut here ]------------
| [ 44.797467][ T463] WARNING: CPU: 2 PID: 463 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.798093][  T463] Modules linked in: bridge stp llc 8021q vrf veth
| [   44.799141][  T463] Tainted: [W]=WARN
[   44.799384][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.799775][ T463] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.800123][ T463] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.801235][  T463] RSP: 0018:ffffc90000576f70 EFLAGS: 00010246
[   44.801636][  T463] RAX: 0000000000000000 RBX: ffff88800b12a000 RCX: 0000000000000001
[   44.802115][  T463] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   44.802585][  T463] RBP: ffffc90000577058 R08: 0000000000000000 R09: 0000000000000000
[   44.803065][  T463] R10: ffffc90000577088 R11: ffffffff9bf79160 R12: 1ffff920000aedf2
[   44.803542][  T463] R13: 00000000000005dc R14: ffffc90000577088 R15: ffff88800b12af08
[   44.804031][  T463] FS:  00007f11f8b02800(0000) GS:ffff8880987b7000(0000) knlGS:0000000000000000
[   44.804583][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.805254][  T463] CR2: 00000000004e73a8 CR3: 000000000b01a006 CR4: 0000000000772ef0
[   44.805943][  T463] PKRU: 55555554
[   44.806325][  T463] Call Trace:
[   44.806705][  T463]  <TASK>
[ 44.807082][ T463] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.807706][ T463] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 44.808087][ T463] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 44.808408][ T463] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.808724][ T463] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.809067][ T463] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.809398][ T463] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.809713][ T463] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.810045][ T463] ? ___sys_sendmsg (net/socket.c:2670) 
[ 44.810361][ T463] ? __sys_sendmsg (net/socket.c:2700) 
[ 44.810678][ T463] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.811008][ T463] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 44.811415][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.811744][ T463] netif_set_mtu (net/core/dev.c:9652) 
[ 44.812081][ T463] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.812416][ T463] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.812660][ T463] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 44.813113][ T463] br_del_if (net/bridge/br_if.c:743) bridge 
[ 44.813460][ T463] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 44.813776][ T463] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 44.814115][ T463] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.814435][ T463] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.814850][ T463] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.815167][ T463] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.815485][ T463] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.815804][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.816138][ T463] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.816459][ T463] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.816871][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.817194][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.817512][ T463] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.817825][ T463] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.818152][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.818468][ T463] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.818785][ T463] ? __create_object (mm/kmemleak.c:771) 
[ 44.819110][ T463] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.819427][ T463] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.819740][ T463] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.820138][ T463] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.820462][ T463] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.820786][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.821120][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.821454][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.821770][ T463] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.822104][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.822421][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.822734][ T463] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.823059][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.823378][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.823698][ T463] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.824036][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.824358][ T463] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.824684][ T463] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.825048][ T463] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.825369][ T463] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.825686][ T463] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.826019][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.826340][ T463] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.826660][ T463] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.826987][ T463] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.827311][ T463] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.827630][ T463] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.827956][ T463] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.828358][ T463] ___sys_sendmsg (net/socket.c:2670) 
[ 44.828675][ T463] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.829012][ T463] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.829406][ T463] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.829723][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.830053][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.830373][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.830690][ T463] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.831022][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.831347][ T463] __sys_sendmsg (net/socket.c:2700) 
[ 44.831659][ T463] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.832059][ T463] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.832386][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.832703][ T463] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.833072][ T463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.833479][  T463] RIP: 0033:0x7f11f8ccf1e7
[ 44.833803][ T463] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.834906][  T463] RSP: 002b:00007ffe73f4b688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.835376][  T463] RAX: ffffffffffffffda RBX: 00007ffe73f4bdb0 RCX: 00007f11f8ccf1e7
[   44.835856][  T463] RDX: 0000000000000000 RSI: 00007ffe73f4b6f0 RDI: 0000000000000005
[   44.836325][  T463] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   44.836792][  T463] R10: 00007f11f8bccee8 R11: 0000000000000246 R12: 0000000000000003
[   44.837280][  T463] R13: 00000000686e15d9 R14: 0000000000499600 R15: 0000000000000000
| [   45.553786][  T470] ------------[ cut here ]------------
| [ 45.554148][ T470] WARNING: CPU: 2 PID: 470 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) 
| [   45.554780][  T470] Modules linked in: bridge stp llc 8021q vrf veth
| [   45.556085][  T470] Tainted: [W]=WARN
[   45.556338][  T470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.556740][ T470] 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) 
[ 45.558250][ T470] 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
[   45.559364][  T470] RSP: 0018:ffffc90000a66f70 EFLAGS: 00010246
[   45.559765][  T470] RAX: 0000000000000000 RBX: ffff888008cba000 RCX: 0000000000000001
[   45.560264][  T470] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   45.560742][  T470] RBP: ffffc90000a67058 R08: 0000000000000000 R09: 0000000000000000
[   45.561220][  T470] R10: ffffc90000a67088 R11: ffffffff9bf79160 R12: 1ffff9200014cdf2
[   45.561690][  T470] R13: 00000000000005dc R14: ffffc90000a67088 R15: ffff888008cbaf08
[   45.562177][  T470] FS:  00007f7bcd5d9800(0000) GS:ffff8880987b7000(0000) knlGS:0000000000000000
[   45.562720][  T470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.563131][  T470] CR2: 00000000004e7398 CR3: 000000000bd58003 CR4: 0000000000772ef0
[   45.563606][  T470] PKRU: 55555554
[   45.563868][  T470] Call Trace:
[   45.564119][  T470]  <TASK>
[ 45.564294][ T470] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 45.564686][ T470] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 45.565067][ T470] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 45.565385][ T470] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.565700][ T470] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.566028][ T470] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 45.566344][ T470] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.566665][ T470] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.566995][ T470] ? ___sys_sendmsg (net/socket.c:2670) 
[ 45.567308][ T470] ? __sys_sendmsg (net/socket.c:2700) 
[ 45.567622][ T470] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.567956][ T470] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 45.568348][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.568672][ T470] netif_set_mtu (net/core/dev.c:9652) 
[ 45.569001][ T470] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.569340][ T470] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.569585][ T470] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 45.570020][ T470] br_del_if (net/bridge/br_if.c:743) bridge 
[ 45.570365][ T470] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 45.570680][ T470] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 45.571013][ T470] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.571334][ T470] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.571738][ T470] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.572080][ T470] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.572399][ T470] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.572717][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.573048][ T470] ? __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) 
[ 45.573368][ T470] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.573759][ T470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.574095][ T470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.574413][ T470] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.574737][ T470] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.575068][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.575381][ T470] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.575694][ T470] ? __create_object (mm/kmemleak.c:771) 
[ 45.576053][ T470] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.576375][ T470] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.576694][ T470] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.577098][ T470] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.577418][ T470] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.577739][ T470] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.578063][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.578385][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.578700][ T470] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.579030][ T470] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.579349][ T470] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.579663][ T470] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.580004][ T470] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.580336][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.580658][ T470] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.580984][ T470] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.581302][ T470] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.581636][ T470] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.581961][ T470] ? 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) 
[ 45.582278][ T470] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 45.582597][ T470] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.582923][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.583248][ T470] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.583567][ T470] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.583913][ T470] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.584245][ T470] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.584563][ T470] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.584900][ T470] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.585302][ T470] ___sys_sendmsg (net/socket.c:2670) 
[ 45.585614][ T470] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.585943][ T470] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 45.586350][ T470] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.586670][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.586999][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.587322][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.587636][ T470] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.587971][ T470] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.588294][ T470] __sys_sendmsg (net/socket.c:2700) 
[ 45.588613][ T470] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.589013][ T470] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.589343][ T470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.589660][ T470] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.589988][ T470] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.590373][  T470] RIP: 0033:0x7f7bcd7a61e7
[ 45.590704][ T470] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   45.591811][  T470] RSP: 002b:00007fff2c1a6ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.592303][  T470] RAX: ffffffffffffffda RBX: 00007fff2c1a72d0 RCX: 00007f7bcd7a61e7
[   45.592771][  T470] RDX: 0000000000000000 RSI: 00007fff2c1a6c10 RDI: 0000000000000005
[   45.593253][  T470] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   45.593721][  T470] R10: 00007f7bcd6a3ee8 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