======================================
| [   20.251244][  T318] veth1: entered promiscuous mode
| [   20.252782][  T318] ------------[ cut here ]------------
| [ 20.253095][ T318] WARNING: CPU: 3 PID: 318 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.253724][  T318] Modules linked in: bridge stp llc 8021q vrf veth
[   20.254862][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.255284][ T318] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.255608][ T318] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.258338][  T318] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   20.258735][  T318] RAX: 0000000000000000 RBX: ffff88800a6b2000 RCX: 0000000000000001
[   20.259191][  T318] RDX: 0000000000000000 RSI: ffffffffa649b939 RDI: ffffffffa5c555e0
[   20.259866][  T318] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.260356][  T318] R10: ffffc900005e7010 R11: ffffffffa72a8918 R12: 1ffff920000bcde2
[   20.260823][  T318] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff88800a6b2f08
[   20.261293][  T318] FS:  00007fc5f8031800(0000) GS:ffff888087037000(0000) knlGS:0000000000000000
[   20.261842][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.262253][  T318] CR2: 00000000004e5aa8 CR3: 0000000009b14004 CR4: 0000000000772ef0
[   20.262744][  T318] PKRU: 55555554
[   20.262977][  T318] Call Trace:
[   20.263210][  T318]  <TASK>
[ 20.263384][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.263705][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.264023][ T318] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.264339][ T318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.264724][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.265033][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 20.265368][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.265691][ T318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.266124][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.266369][ T318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.266797][ T318] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.267156][ T318] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 20.267481][ T318] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.267795][ T318] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.268193][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.268510][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.268811][ T318] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.269123][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.269441][ T318] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.269750][ T318] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.270130][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.270457][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.270760][ T318] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.271065][ T318] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.271380][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.271687][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.271992][ T318] ? __create_object (mm/kmemleak.c:771) 
[ 20.272310][ T318] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.272618][ T318] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.272932][ T318] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.273320][ T318] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.273641][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.273954][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.274265][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.274580][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.274889][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.275214][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.275535][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.275847][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.276158][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.276507][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.276826][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.277139][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.277456][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.277784][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.278092][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.278411][ T318] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.278721][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.279035][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.279356][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.279666][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.279980][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.280304][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.280617][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.280920][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.281320][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.281636][ T318] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.281950][ T318] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.282372][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.282681][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.282990][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.283322][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.283629][ T318] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.283936][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.284256][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.284565][ T318] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.284943][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.285275][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.285584][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.285892][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.286282][  T318] RIP: 0033:0x7fc5f81fe1e7
[ 20.286892][ T318] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.288238][  T318] RSP: 002b:00007fffb17fd688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.289154][  T318] RAX: ffffffffffffffda RBX: 00007fffb17fddb0 RCX: 00007fc5f81fe1e7
[   20.289633][  T318] RDX: 0000000000000000 RSI: 00007fffb17fd6f0 RDI: 0000000000000005
[   20.290125][  T318] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.290593][  T318] R10: 000000001ab5e910 R11: 0000000000000246 R12: 0000000000000004
[   20.291054][  T318] R13: 00000000686e7596 R14: 0000000000499600 R15: 0000000000000000
| [   20.420863][  T319] ------------[ cut here ]------------
| [ 20.421184][ T319] WARNING: CPU: 3 PID: 319 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.421804][  T319] Modules linked in: bridge stp llc 8021q vrf veth
| [   20.423018][  T319] Tainted: [W]=WARN
[   20.423260][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.423644][ T319] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.423959][ T319] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.425436][  T319] RSP: 0018:ffffc90000b86ef0 EFLAGS: 00010246
[   20.425831][  T319] RAX: 0000000000000000 RBX: ffff88800a6b2000 RCX: 0000000000000001
[   20.426297][  T319] RDX: 0000000000000000 RSI: ffffffffa649b939 RDI: ffffffffa5c555e0
[   20.426753][  T319] RBP: ffffc90000b86fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.427211][  T319] R10: ffffc90000b87010 R11: ffffffffa72a8918 R12: 1ffff92000170de2
[   20.427702][  T319] R13: 00000000000005dc R14: ffffc90000b87010 R15: ffff88800a6b2f08
[   20.428159][  T319] FS:  00007f0fc74e1800(0000) GS:ffff888087037000(0000) knlGS:0000000000000000
[   20.428702][  T319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.429087][  T319] CR2: 00000000004e5ab0 CR3: 0000000004f67001 CR4: 0000000000772ef0
[   20.429562][  T319] PKRU: 55555554
[   20.429792][  T319] Call Trace:
[   20.430025][  T319]  <TASK>
[ 20.430187][ T319] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.430506][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.430819][ T319] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.431125][ T319] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.431519][ T319] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.431835][ T319] netif_set_mtu (net/core/dev.c:9652) 
[ 20.432144][ T319] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.432469][ T319] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.432900][ T319] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.433135][ T319] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.433560][ T319] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.433921][ T319] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 20.434243][ T319] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.434556][ T319] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.434947][ T319] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.435278][ T319] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.435583][ T319] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.435895][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.436212][ T319] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.436530][ T319] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.436915][ T319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.437222][ T319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.437535][ T319] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.437840][ T319] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.438146][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.438469][ T319] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.438773][ T319] ? __create_object (mm/kmemleak.c:771) 
[ 20.439083][ T319] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.439396][ T319] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.439703][ T319] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.440084][ T319] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.440405][ T319] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.440721][ T319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.441032][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.441398][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.441709][ T319] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.442013][ T319] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.442328][ T319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.442632][ T319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.442937][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.443252][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.443571][ T319] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.443877][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.444185][ T319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.444513][ T319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.444815][ T319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.445129][ T319] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.445449][ T319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.445761][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.446070][ T319] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.446385][ T319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.446691][ T319] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.447029][ T319] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.447354][ T319] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.447658][ T319] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.448049][ T319] ___sys_sendmsg (net/socket.c:2670) 
[ 20.448360][ T319] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.448666][ T319] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.449048][ T319] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.449365][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.449673][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.449984][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.450309][ T319] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.450618][ T319] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.450931][ T319] __sys_sendmsg (net/socket.c:2700) 
[ 20.451248][ T319] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.451631][ T319] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.451947][ T319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.452262][ T319] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.452579][ T319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.452957][  T319] RIP: 0033:0x7f0fc76ae1e7
[ 20.453281][ T319] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.454381][  T319] RSP: 002b:00007ffc926619a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.454870][  T319] RAX: ffffffffffffffda RBX: 00007ffc926620d0 RCX: 00007f0fc76ae1e7
[   20.455351][  T319] RDX: 0000000000000000 RSI: 00007ffc92661a10 RDI: 0000000000000005
[   20.455809][  T319] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.456273][  T319] R10: 000000003ea5e910 R11: 0000000000000246 R12: 0000000000000004
[   20.456734][  T319] R13: 00000000686e7597 R14: 0000000000499600 R15: 0000000000000000
| [   31.375067][  T382] ------------[ cut here ]------------
| [ 31.375457][ T382] WARNING: CPU: 3 PID: 382 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.376337][  T382] Modules linked in: bridge stp llc 8021q vrf veth
| [   31.378080][  T382] Tainted: [W]=WARN
[   31.378509][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.379206][ T382] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.379795][ T382] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.381800][  T382] RSP: 0018:ffffc90000866f70 EFLAGS: 00010246
[   31.382875][  T382] RAX: 0000000000000000 RBX: ffff88800a6b2000 RCX: 0000000000000001
[   31.383921][  T382] RDX: 0000000000000000 RSI: ffffffffa649b939 RDI: ffffffffa5c555e0
[   31.384672][  T382] RBP: ffffc90000867058 R08: 0000000000000000 R09: 0000000000000000
[   31.385161][  T382] R10: ffffc90000867088 R11: ffffffffa2800130 R12: 1ffff9200010cdf2
[   31.385699][  T382] R13: 00000000000005dc R14: ffffc90000867088 R15: ffff88800a6b2f08
[   31.386158][  T382] FS:  00007fd9757e3800(0000) GS:ffff888087037000(0000) knlGS:0000000000000000
[   31.386713][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.387099][  T382] CR2: 00000000004e5ab0 CR3: 000000000beec003 CR4: 0000000000772ef0
[   31.387592][  T382] PKRU: 55555554
[   31.387826][  T382] Call Trace:
[   31.388057][  T382]  <TASK>
[ 31.388211][ T382] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.388623][ T382] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 31.388970][ T382] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 31.389300][ T382] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.389640][ T382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.389955][ T382] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.390272][ T382] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.390589][ T382] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.390898][ T382] ? ___sys_sendmsg (net/socket.c:2670) 
[ 31.391206][ T382] ? __sys_sendmsg (net/socket.c:2700) 
[ 31.391537][ T382] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.391844][ T382] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 31.392225][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.392572][ T382] netif_set_mtu (net/core/dev.c:9652) 
[ 31.392884][ T382] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.393209][ T382] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.393495][ T382] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.393929][ T382] br_del_if (net/bridge/br_if.c:743) bridge 
[ 31.394281][ T382] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 31.394631][ T382] do_set_master (net/core/rtnetlink.c:2932) 
[ 31.394949][ T382] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.395282][ T382] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.395705][ T382] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.396020][ T382] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.396349][ T382] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.396678][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.396991][ T382] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 31.397328][ T382] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.397878][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.398445][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.398985][ T382] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.399519][ T382] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.400069][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.400622][ T382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.401170][ T382] ? __create_object (mm/kmemleak.c:771) 
[ 31.401765][ T382] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.402341][ T382] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.402890][ T382] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.403595][ T382] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.404167][ T382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.404738][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.405333][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.405913][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.406476][ T382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.407030][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.407602][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.408154][ T382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.408726][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.409320][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.409883][ T382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.410431][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.410976][ T382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.411587][ T382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.412144][ T382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.412720][ T382] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.413318][ T382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.413871][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.414457][ T382] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.415031][ T382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.415535][ T382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.415864][ T382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.416180][ T382] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.416507][ T382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.416906][ T382] ___sys_sendmsg (net/socket.c:2670) 
[ 31.417255][ T382] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.417572][ T382] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.417956][ T382] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.418313][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.418633][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.418954][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.419282][ T382] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.419604][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.419927][ T382] __sys_sendmsg (net/socket.c:2700) 
[ 31.420251][ T382] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.420639][ T382] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.420963][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.421298][ T382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.421612][ T382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.422006][  T382] RIP: 0033:0x7fd9759b01e7
[ 31.422338][ T382] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.423455][  T382] RSP: 002b:00007ffe202569f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.423925][  T382] RAX: ffffffffffffffda RBX: 00007ffe20257120 RCX: 00007fd9759b01e7
[   31.424406][  T382] RDX: 0000000000000000 RSI: 00007ffe20256a60 RDI: 0000000000000005
[   31.424871][  T382] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   31.425388][  T382] R10: 00007fd9758adee8 R11: 0000000000000246 R12: 0000000000000003
[   31.425854][  T382] R13: 00000000686e75a2 R14: 0000000000499600 R15: 0000000000000000
| [   31.579096][  T383] ------------[ cut here ]------------
| [ 31.579644][ T383] WARNING: CPU: 2 PID: 383 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.580403][  T383] Modules linked in: bridge stp llc 8021q vrf veth
| [   31.581541][  T383] Tainted: [W]=WARN
[   31.581975][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.582720][ T383] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.583328][ T383] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.585347][  T383] RSP: 0018:ffffc90000876f70 EFLAGS: 00010246
[   31.586069][  T383] RAX: 0000000000000000 RBX: ffff88800a6b2000 RCX: 0000000000000001
[   31.586952][  T383] RDX: 0000000000000000 RSI: ffffffffa649b939 RDI: ffffffffa5c555e0
[   31.587796][  T383] RBP: ffffc90000877058 R08: 0000000000000000 R09: 0000000000000000
[   31.588289][  T383] R10: ffffc90000877088 R11: ffffffffa6979160 R12: 1ffff9200010edf2
[   31.588781][  T383] R13: 00000000000005dc R14: ffffc90000877088 R15: ffff88800a6b2f08
[   31.589364][  T383] FS:  00007facf9e94800(0000) GS:ffff888086fb7000(0000) knlGS:0000000000000000
[   31.590025][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.590639][  T383] CR2: 00000000004e5aa8 CR3: 000000000bed7003 CR4: 0000000000772ef0
[   31.591505][  T383] PKRU: 55555554
[   31.591757][  T383] Call Trace:
[   31.592003][  T383]  <TASK>
[ 31.592177][ T383] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.592726][ T383] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 31.593211][ T383] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 31.593625][ T383] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.594082][ T383] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.594444][ T383] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.594837][ T383] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.595269][ T383] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.595670][ T383] ? ___sys_sendmsg (net/socket.c:2670) 
[ 31.596035][ T383] ? __sys_sendmsg (net/socket.c:2700) 
[ 31.596447][ T383] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.596983][ T383] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 31.597690][ T383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.598184][ T383] netif_set_mtu (net/core/dev.c:9652) 
[ 31.598726][ T383] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.599245][ T383] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.599582][ T383] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.600181][ T383] br_del_if (net/bridge/br_if.c:743) bridge 
[ 31.600649][ T383] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 31.601210][ T383] do_set_master (net/core/rtnetlink.c:2932) 
[ 31.601815][ T383] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.602426][ T383] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.603138][ T383] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.603705][ T383] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.604291][ T383] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.604859][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.605486][ T383] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 31.606063][ T383] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.606814][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.607405][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.607962][ T383] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.608552][ T383] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.609110][ T383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.609703][ T383] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.610314][ T383] ? __create_object (mm/kmemleak.c:771) 
[ 31.610878][ T383] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.611469][ T383] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.612034][ T383] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.612736][ T383] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.613339][ T383] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.613913][ T383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.614520][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.615110][ T383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.615704][ T383] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.616293][ T383] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.616861][ T383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.617454][ T383] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.618035][ T383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.618641][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.619252][ T383] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.619821][ T383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.620408][ T383] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.620997][ T383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.621589][ T383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.622164][ T383] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.622772][ T383] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.623371][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.623942][ T383] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.624544][ T383] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.625115][ T383] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.625726][ T383] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.626347][ T383] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.626917][ T383] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.627659][ T383] ___sys_sendmsg (net/socket.c:2670) 
[ 31.628251][ T383] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.628813][ T383] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.629543][ T383] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.630116][ T383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.630734][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.631331][ T383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.631919][ T383] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.632476][ T383] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.633063][ T383] __sys_sendmsg (net/socket.c:2700) 
[ 31.633656][ T383] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.634408][ T383] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.634999][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.635441][ T383] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.635771][ T383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.636174][  T383] RIP: 0033:0x7facfa0611e7
[ 31.636515][ T383] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.637626][  T383] RSP: 002b:00007fffe053dd18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.638110][  T383] RAX: ffffffffffffffda RBX: 00007fffe053e440 RCX: 00007facfa0611e7
[   31.638609][  T383] RDX: 0000000000000000 RSI: 00007fffe053dd80 RDI: 0000000000000005
[   31.639082][  T383] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   31.639561][  T383] R10: 00007facf9f5eee8 R11: 0000000000000246 R12: 0000000000000003
[   31.640047][  T383] R13: 00000000686e75a2 R14: 0000000000499600 R15: 0000000000000000
| [   33.843987][  T386] ------------[ cut here ]------------
| [ 33.844341][ T386] WARNING: CPU: 2 PID: 386 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) 
| [   33.844965][  T386] Modules linked in: bridge stp llc 8021q vrf veth
| [   33.846050][  T386] Tainted: [W]=WARN
[   33.846309][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.846701][ T386] 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) 
[ 33.847031][ T386] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.848143][  T386] RSP: 0018:ffffc90000896ef0 EFLAGS: 00010246
[   33.848565][  T386] RAX: 0000000000000000 RBX: ffff88800a6b2000 RCX: 0000000000000001
[   33.849035][  T386] RDX: 0000000000000000 RSI: ffffffffa649b939 RDI: ffffffffa5c555e0
[   33.849536][  T386] RBP: ffffc90000896fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.850010][  T386] R10: ffffc90000897010 R11: ffffffffa72a8918 R12: 1ffff92000112de2
[   33.850495][  T386] R13: 00000000000005dc R14: ffffc90000897010 R15: ffff88800a6b2f08
[   33.850965][  T386] FS:  00007f3478ab6800(0000) GS:ffff888086fb7000(0000) knlGS:0000000000000000
[   33.851525][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.851927][  T386] CR2: 00000000004e5aa8 CR3: 000000000a47c005 CR4: 0000000000772ef0
[   33.852416][  T386] PKRU: 55555554
[   33.852660][  T386] Call Trace:
[   33.852903][  T386]  <TASK>
[ 33.853076][ T386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.853407][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.853741][ T386] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.854059][ T386] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.854468][ T386] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.854791][ T386] netif_set_mtu (net/core/dev.c:9652) 
[ 33.855160][ T386] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.855512][ T386] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.855959][ T386] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.856205][ T386] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.856657][ T386] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.857030][ T386] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 33.857368][ T386] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.857701][ T386] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.858100][ T386] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.858437][ T386] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.858757][ T386] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.859092][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.859429][ T386] ? __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) 
[ 33.859748][ T386] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.860140][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.860474][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.860802][ T386] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.861119][ T386] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.861455][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.861781][ T386] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.862102][ T386] ? __create_object (mm/kmemleak.c:771) 
[ 33.862440][ T386] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.862763][ T386] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.863084][ T386] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.863491][ T386] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.863816][ T386] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.864146][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.864479][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.864805][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.865144][ T386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.865475][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.865799][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.866120][ T386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.866477][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.866805][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.867130][ T386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.867460][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.867780][ T386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.868110][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.868441][ T386] ? 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) 
[ 33.868759][ T386] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 33.869086][ T386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.869417][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.869746][ T386] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.870065][ T386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.870398][ T386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.870725][ T386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.871053][ T386] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.871391][ T386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.871802][ T386] ___sys_sendmsg (net/socket.c:2670) 
[ 33.872121][ T386] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.872454][ T386] ? __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) 
[ 33.872852][ T386] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.873175][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.873507][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.873840][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.874162][ T386] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.874499][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.874830][ T386] __sys_sendmsg (net/socket.c:2700) 
[ 33.875167][ T386] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.875578][ T386] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.875911][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.876255][ T386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.876583][ T386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.876975][  T386] RIP: 0033:0x7f3478c831e7
[ 33.877320][ T386] 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)
[   33.878433][  T386] RSP: 002b:00007ffccc8005b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.878911][  T386] RAX: ffffffffffffffda RBX: 00007ffccc800ce0 RCX: 00007f3478c831e7
[   33.879394][  T386] RDX: 0000000000000000 RSI: 00007ffccc800620 RDI: 0000000000000005
[   33.879870][  T386] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.880356][  T386] R10: 000000002fc54910 R11: 0000000000000246 R12: 0000000000000004
[   33.880833][  T386] R13: 00000000686e75a4 R14: 0000000000499600 R15: 0000000000000000
| [   34.025523][  T387] ------------[ cut here ]------------
| [ 34.025847][ T387] WARNING: CPU: 2 PID: 387 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) 
| [   34.026491][  T387] Modules linked in: bridge stp llc 8021q vrf veth
| [   34.027560][  T387] Tainted: [W]=WARN
[   34.027807][  T387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.028203][ T387] 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) 
[ 34.028549][ T387] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.029654][  T387] RSP: 0018:ffffc900008a6ef0 EFLAGS: 00010246
[   34.030056][  T387] RAX: 0000000000000000 RBX: ffff88800a6b2000 RCX: 0000000000000001
[   34.030539][  T387] RDX: 0000000000000000 RSI: ffffffffa649b939 RDI: ffffffffa5c555e0
[   34.031016][  T387] RBP: ffffc900008a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.031515][  T387] R10: ffffc900008a7010 R11: ffffffffa72a8918 R12: 1ffff92000114de2
[   34.031983][  T387] R13: 00000000000005dc R14: ffffc900008a7010 R15: ffff88800a6b2f08
[   34.032475][  T387] FS:  00007f078e308800(0000) GS:ffff888086fb7000(0000) knlGS:0000000000000000
[   34.033031][  T387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.033450][  T387] CR2: 00000000004e5ab0 CR3: 000000000529a001 CR4: 0000000000772ef0
[   34.033922][  T387] PKRU: 55555554
[   34.034175][  T387] Call Trace:
[   34.034429][  T387]  <TASK>
[ 34.034602][ T387] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.034926][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.035287][ T387] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 34.035610][ T387] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 34.036003][ T387] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 34.036356][ T387] netif_set_mtu (net/core/dev.c:9652) 
[ 34.036678][ T387] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.037012][ T387] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 34.037473][ T387] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.037733][ T387] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.038169][ T387] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.038554][ T387] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 34.038885][ T387] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.039209][ T387] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.039638][ T387] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.039966][ T387] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.040299][ T387] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.040625][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.040955][ T387] ? __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) 
[ 34.041286][ T387] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.041681][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.042004][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.042344][ T387] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.042665][ T387] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.042981][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.043315][ T387] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.043632][ T387] ? __create_object (mm/kmemleak.c:771) 
[ 34.043955][ T387] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.044288][ T387] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.044608][ T387] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.045020][ T387] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.045375][ T387] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.045704][ T387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.046024][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.046366][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.046696][ T387] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.047009][ T387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.047387][ T387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.047710][ T387] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.048027][ T387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.048362][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.048691][ T387] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.049012][ T387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.049355][ T387] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.049689][ T387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.050021][ T387] ? 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) 
[ 34.050356][ T387] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 34.050678][ T387] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.050994][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.051329][ T387] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.051651][ T387] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.051968][ T387] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.052318][ T387] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.052643][ T387] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.052965][ T387] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.053381][ T387] ___sys_sendmsg (net/socket.c:2670) 
[ 34.053700][ T387] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.054019][ T387] ? __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) 
[ 34.054429][ T387] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.054775][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.055099][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.055453][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.055776][ T387] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.056092][ T387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.056436][ T387] __sys_sendmsg (net/socket.c:2700) 
[ 34.056751][ T387] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.057154][ T387] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.057506][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.057830][ T387] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.058149][ T387] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.058553][  T387] RIP: 0033:0x7f078e4d51e7
[ 34.058888][ T387] 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)
[   34.060008][  T387] RSP: 002b:00007ffd27b08c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.060498][  T387] RAX: ffffffffffffffda RBX: 00007ffd27b09350 RCX: 00007f078e4d51e7
[   34.060969][  T387] RDX: 0000000000000000 RSI: 00007ffd27b08c90 RDI: 0000000000000005
[   34.061451][  T387] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.061918][  T387] R10: 00000000149fa910 R11: 0000000000000246 R12: 0000000000000004
[   34.062397][  T387] R13: 00000000686e75a4 R14: 0000000000499600 R15: 0000000000000000
| [   38.332192][  T432] ------------[ cut here ]------------
| [ 38.332556][ T432] WARNING: CPU: 1 PID: 432 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.333164][  T432] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.334212][  T432] Tainted: [W]=WARN
[   38.334500][  T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.334992][ T432] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.335345][ T432] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.336484][  T432] RSP: 0018:ffffc90000ba6f70 EFLAGS: 00010246
[   38.336874][  T432] RAX: 0000000000000000 RBX: ffff88800a6b2000 RCX: 0000000000000001
[   38.337347][  T432] RDX: 0000000000000000 RSI: ffffffffa649b939 RDI: ffffffffa5c555e0
[   38.337818][  T432] RBP: ffffc90000ba7058 R08: 0000000000000000 R09: 0000000000000000
[   38.338309][  T432] R10: ffffc90000ba7088 R11: ffffffffa6979160 R12: 1ffff92000174df2
[   38.338786][  T432] R13: 00000000000005dc R14: ffffc90000ba7088 R15: ffff88800a6b2f08
[   38.339407][  T432] FS:  00007fe62d54c800(0000) GS:ffff888086f37000(0000) knlGS:0000000000000000
[   38.339967][  T432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.340523][  T432] CR2: 000055b704117e98 CR3: 000000000a3ce005 CR4: 0000000000772ef0
[   38.340987][  T432] PKRU: 55555554
[   38.341219][  T432] Call Trace:
[   38.341561][  T432]  <TASK>
[ 38.341718][ T432] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.342108][ T432] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 38.342529][ T432] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 38.342875][ T432] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.343187][ T432] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.343520][ T432] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.343833][ T432] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.344140][ T432] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.344590][ T432] ? ___sys_sendmsg (net/socket.c:2670) 
[ 38.344979][ T432] ? __sys_sendmsg (net/socket.c:2700) 
[ 38.345442][ T432] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.345942][ T432] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 38.346444][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.346824][ T432] netif_set_mtu (net/core/dev.c:9652) 
[ 38.347182][ T432] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.347556][ T432] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.347792][ T432] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.348272][ T432] br_del_if (net/bridge/br_if.c:743) bridge 
[ 38.348679][ T432] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 38.348986][ T432] do_set_master (net/core/rtnetlink.c:2932) 
[ 38.349311][ T432] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.349675][ T432] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.350139][ T432] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.350490][ T432] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.350825][ T432] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.351200][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.351551][ T432] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.351870][ T432] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.352264][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.352605][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.352909][ T432] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.353211][ T432] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.353539][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.353847][ T432] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.354149][ T432] ? __create_object (mm/kmemleak.c:771) 
[ 38.354491][ T432] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.354800][ T432] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.355124][ T432] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.355601][ T432] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.355922][ T432] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.356246][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.356566][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.356975][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.357296][ T432] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.357622][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.357931][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.358359][ T432] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.358698][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.359010][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.359335][ T432] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.359662][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.359969][ T432] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.360304][ T432] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.360625][ T432] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.360932][ T432] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.361254][ T432] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.361661][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.361984][ T432] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.362318][ T432] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.362645][ T432] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.362960][ T432] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.363290][ T432] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.363606][ T432] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.363993][ T432] ___sys_sendmsg (net/socket.c:2670) 
[ 38.364305][ T432] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.364626][ T432] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.365014][ T432] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.365343][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.365666][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.365980][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.366309][ T432] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.366626][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.366939][ T432] __sys_sendmsg (net/socket.c:2700) 
[ 38.367257][ T432] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.367652][ T432] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.367969][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.368286][ T432] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.368622][ T432] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.369090][  T432] RIP: 0033:0x7fe62d7191e7
[ 38.369528][ T432] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.370926][  T432] RSP: 002b:00007ffdcdd9dbd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.371413][  T432] RAX: ffffffffffffffda RBX: 00007ffdcdd9e300 RCX: 00007fe62d7191e7
[   38.371885][  T432] RDX: 0000000000000000 RSI: 00007ffdcdd9dc40 RDI: 0000000000000005
[   38.372362][  T432] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.372830][  T432] R10: 00007fe62d616ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.373294][  T432] R13: 00000000686e75a9 R14: 0000000000499600 R15: 0000000000000000
| [   38.495875][  T433] ------------[ cut here ]------------
| [ 38.496258][ T433] WARNING: CPU: 2 PID: 433 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) 
| [   38.496882][  T433] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.498763][  T433] Tainted: [W]=WARN
[   38.499014][  T433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.499418][ T433] 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) 
[ 38.499752][ T433] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.500877][  T433] RSP: 0018:ffffc90000bb6f70 EFLAGS: 00010246
[   38.501290][  T433] RAX: 0000000000000000 RBX: ffff88800a6b2000 RCX: 0000000000000001
[   38.501756][  T433] RDX: 0000000000000000 RSI: ffffffffa649b939 RDI: ffffffffa5c555e0
[   38.502222][  T433] RBP: ffffc90000bb7058 R08: 0000000000000000 R09: 0000000000000000
[   38.502708][  T433] R10: ffffc90000bb7088 R11: ffffffffa6979160 R12: 1ffff92000176df2
[   38.503173][  T433] R13: 00000000000005dc R14: ffffc90000bb7088 R15: ffff88800a6b2f08
[   38.503651][  T433] FS:  00007fe885a74800(0000) GS:ffff888086fb7000(0000) knlGS:0000000000000000
[   38.504194][  T433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.504616][  T433] CR2: 00000000004e5aa8 CR3: 000000000c77f001 CR4: 0000000000772ef0
[   38.505090][  T433] PKRU: 55555554
[   38.505356][  T433] Call Trace:
[   38.505597][  T433]  <TASK>
[ 38.505780][ T433] ? __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) 
[ 38.506184][ T433] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 38.506560][ T433] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 38.506887][ T433] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.507208][ T433] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.507537][ T433] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.507858][ T433] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.508171][ T433] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.508516][ T433] ? ___sys_sendmsg (net/socket.c:2670) 
[ 38.508840][ T433] ? __sys_sendmsg (net/socket.c:2700) 
[ 38.509154][ T433] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.509487][ T433] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 38.509880][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.510208][ T433] netif_set_mtu (net/core/dev.c:9652) 
[ 38.510538][ T433] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.510869][ T433] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.511114][ T433] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.511567][ T433] br_del_if (net/bridge/br_if.c:743) bridge 
[ 38.511925][ T433] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 38.512267][ T433] do_set_master (net/core/rtnetlink.c:2932) 
[ 38.512595][ T433] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.512916][ T433] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.513326][ T433] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.513644][ T433] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.513957][ T433] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.514296][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.514616][ T433] ? __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) 
[ 38.514933][ T433] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.515346][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.515665][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.515978][ T433] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.516317][ T433] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.516647][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.516963][ T433] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.517289][ T433] ? __create_object (mm/kmemleak.c:771) 
[ 38.517608][ T433] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.517923][ T433] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.518249][ T433] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.518642][ T433] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.518967][ T433] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.519321][ T433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.519639][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.519961][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.520300][ T433] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.520620][ T433] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.520938][ T433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.521261][ T433] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.521582][ T433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.521907][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.522239][ T433] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.522555][ T433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.522872][ T433] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.523196][ T433] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.523534][ T433] ? 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) 
[ 38.523894][ T433] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.524254][ T433] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.524578][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.524901][ T433] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.525245][ T433] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.525565][ T433] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.525891][ T433] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.526212][ T433] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.526548][ T433] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.526957][ T433] ___sys_sendmsg (net/socket.c:2670) 
[ 38.527280][ T433] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.527600][ T433] ? __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) 
[ 38.527994][ T433] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.528344][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.528669][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.529002][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.529330][ T433] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.529648][ T433] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.529974][ T433] __sys_sendmsg (net/socket.c:2700) 
[ 38.530299][ T433] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.530689][ T433] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.531020][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.531357][ T433] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.531677][ T433] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.532063][  T433] RIP: 0033:0x7fe885c411e7
[ 38.532414][ T433] 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)
[   38.533523][  T433] RSP: 002b:00007ffc851775e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.534005][  T433] RAX: ffffffffffffffda RBX: 00007ffc85177d10 RCX: 00007fe885c411e7
[   38.534494][  T433] RDX: 0000000000000000 RSI: 00007ffc85177650 RDI: 0000000000000005
[   38.534962][  T433] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.535446][  T433] R10: 00007fe885b3eee8 R11: 0000000000000246 R12: 0000000000000004


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