======================================
| [   20.453143][  T317] veth1: entered promiscuous mode
| [   20.454854][  T317] ------------[ cut here ]------------
| [ 20.455208][ T317] WARNING: CPU: 3 PID: 317 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) 
| [   20.455861][  T317] Modules linked in: bridge stp llc 8021q vrf veth
[   20.457114][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.457541][ T317] 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) 
[ 20.457980][ T317] 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
[   20.459375][  T317] RSP: 0018:ffffc900004d6ef0 EFLAGS: 00010246
[   20.459790][  T317] RAX: 0000000000000000 RBX: ffff888008ab2000 RCX: 0000000000000001
[   20.460439][  T317] RDX: 0000000000000000 RSI: ffffffffbac9b941 RDI: ffffffffba4555e0
[   20.460933][  T317] RBP: ffffc900004d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.461607][  T317] R10: ffffc900004d7010 R11: ffffffffbbaa8918 R12: 1ffff9200009ade2
[   20.462086][  T317] R13: 00000000000005dc R14: ffffc900004d7010 R15: ffff888008ab2f08
[   20.462712][  T317] FS:  00007f9966099800(0000) GS:ffff888079637000(0000) knlGS:0000000000000000
[   20.463282][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.463680][  T317] CR2: 00000000004e5aa8 CR3: 000000000e19f004 CR4: 0000000000772ef0
[   20.464181][  T317] PKRU: 55555554
[   20.464438][  T317] Call Trace:
[   20.464688][  T317]  <TASK>
[ 20.464851][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.465194][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.465534][ T317] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.465840][ T317] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.466248][ T317] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.466559][ T317] netif_set_mtu (net/core/dev.c:9652) 
[ 20.466868][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.467210][ T317] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.467640][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.467876][ T317] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.468305][ T317] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.468674][ T317] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.469001][ T317] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.469325][ T317] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.469726][ T317] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.470037][ T317] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.470352][ T317] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.470683][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.471013][ T317] ? __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) 
[ 20.471344][ T317] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.471741][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.472057][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.472370][ T317] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.472688][ T317] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.472993][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.473315][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.473633][ T317] ? __create_object (mm/kmemleak.c:771) 
[ 20.473961][ T317] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.474278][ T317] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.474592][ T317] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.474987][ T317] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.475327][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.475682][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.475995][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.476329][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.476637][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.476941][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.477259][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.477578][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.477902][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.478242][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.478552][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.478863][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.479184][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.479502][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.479809][ T317] ? 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) 
[ 20.480121][ T317] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.480438][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.480756][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.481068][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.481387][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.481693][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.482012][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.482337][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.482645][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.483038][ T317] ___sys_sendmsg (net/socket.c:2670) 
[ 20.483351][ T317] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.483657][ T317] ? __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) 
[ 20.484044][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.484364][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.484674][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.484989][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.485310][ T317] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.485615][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.485933][ T317] __sys_sendmsg (net/socket.c:2700) 
[ 20.486246][ T317] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.486627][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.486945][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.487262][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.487576][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.487958][  T317] RIP: 0033:0x7f99662661e7
[ 20.488290][ T317] 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)
[   20.489396][  T317] RSP: 002b:00007ffde0d8b5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.490133][  T317] RAX: ffffffffffffffda RBX: 00007ffde0d8bcd0 RCX: 00007f99662661e7
[   20.490651][  T317] RDX: 0000000000000000 RSI: 00007ffde0d8b610 RDI: 0000000000000005
[   20.492051][  T317] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.492759][  T317] R10: 000000003bfe7910 R11: 0000000000000246 R12: 0000000000000004
[   20.493232][  T317] R13: 00000000686e40ac R14: 0000000000499600 R15: 0000000000000000
| [   20.637502][  T318] ------------[ cut here ]------------
| [ 20.637814][ 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) 
| [   20.638689][  T318] Modules linked in: bridge stp llc 8021q vrf veth
| [   20.639754][  T318] Tainted: [W]=WARN
[   20.640010][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.640422][ 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) 
[ 20.640767][ T318] 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
[   20.641863][  T318] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   20.642255][  T318] RAX: 0000000000000000 RBX: ffff888008ab2000 RCX: 0000000000000001
[   20.642715][  T318] RDX: 0000000000000000 RSI: ffffffffbac9b941 RDI: ffffffffba4555e0
[   20.643176][  T318] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.643630][  T318] R10: ffffc900005b7010 R11: ffffffffbbaa8918 R12: 1ffff920000b6de2
[   20.644084][  T318] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff888008ab2f08
[   20.644544][  T318] FS:  00007f12d1f8e800(0000) GS:ffff888079637000(0000) knlGS:0000000000000000
[   20.645078][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.645467][  T318] CR2: 00000000004e5ab0 CR3: 000000000e19a006 CR4: 0000000000772ef0
[   20.645923][  T318] PKRU: 55555554
[   20.646175][  T318] Call Trace:
[   20.646403][  T318]  <TASK>
[ 20.646562][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.646872][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.647192][ T318] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.647498][ T318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.647877][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.648192][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 20.648496][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.648809][ T318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.649249][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.649481][ T318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.649897][ T318] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.650257][ T318] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.650567][ T318] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.650885][ T318] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.651279][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.651587][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.651888][ T318] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.652202][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.652510][ 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) 
[ 20.652813][ T318] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.653197][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.653502][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.653807][ T318] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.654108][ T318] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.654417][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.654721][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.655021][ T318] ? __create_object (mm/kmemleak.c:771) 
[ 20.655349][ T318] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.655656][ T318] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.655967][ T318] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.656351][ T318] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.656662][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.656971][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.657282][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.657592][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.657895][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.658203][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.658521][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.658825][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.659131][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.659447][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.659755][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.660057][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.660371][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.660706][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.661011][ 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) 
[ 20.661327][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.661634][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.661937][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.662255][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.662561][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.662868][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.663188][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.663497][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.663798][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.664196][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.664498][ T318] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.664799][ 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) 
[ 20.665190][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.665497][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.665804][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.666115][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.666429][ 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) 
[ 20.666733][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.667042][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.667351][ T318] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.667734][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.668075][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.668395][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.668702][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.669079][  T318] RIP: 0033:0x7f12d215b1e7
[ 20.669400][ 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)
[   20.670491][  T318] RSP: 002b:00007ffeac608108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.670963][  T318] RAX: ffffffffffffffda RBX: 00007ffeac608830 RCX: 00007f12d215b1e7
[   20.671429][  T318] RDX: 0000000000000000 RSI: 00007ffeac608170 RDI: 0000000000000005
[   20.671890][  T318] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.672351][  T318] R10: 000000000d7a4910 R11: 0000000000000246 R12: 0000000000000004
[   20.672806][  T318] R13: 00000000686e40ac R14: 0000000000499600 R15: 0000000000000000
| [   31.424788][  T381] ------------[ cut here ]------------
| [ 31.425115][ T381] WARNING: CPU: 0 PID: 381 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) 
| [   31.425730][  T381] Modules linked in: bridge stp llc 8021q vrf veth
| [   31.427353][  T381] Tainted: [W]=WARN
[   31.427588][  T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.427971][ T381] 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) 
[ 31.428298][ T381] 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
[   31.429391][  T381] RSP: 0018:ffffc90000946f70 EFLAGS: 00010246
[   31.429779][  T381] RAX: 0000000000000000 RBX: ffff888008ab2000 RCX: 0000000000000001
[   31.430243][  T381] RDX: 0000000000000000 RSI: ffffffffbac9b941 RDI: ffffffffba4555e0
[   31.430723][  T381] RBP: ffffc90000947058 R08: 0000000000000000 R09: 0000000000000000
[   31.431195][  T381] R10: ffffc90000947088 R11: ffffffffb7000130 R12: 1ffff92000128df2
[   31.431658][  T381] R13: 00000000000005dc R14: ffffc90000947088 R15: ffff888008ab2f08
[   31.432121][  T381] FS:  00007fa9abda9800(0000) GS:ffff8880794b7000(0000) knlGS:0000000000000000
[   31.432681][  T381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.433069][  T381] CR2: 00000000004e5ab0 CR3: 000000000f79d005 CR4: 0000000000772ef0
[   31.433544][  T381] PKRU: 55555554
[   31.433773][  T381] Call Trace:
[   31.434014][  T381]  <TASK>
[ 31.434181][ T381] ? __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) 
[ 31.434562][ T381] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 31.434908][ T381] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 31.435229][ T381] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.435533][ T381] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.435835][ T381] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.436137][ T381] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.436457][ T381] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.436767][ T381] ? ___sys_sendmsg (net/socket.c:2670) 
[ 31.437073][ T381] ? __sys_sendmsg (net/socket.c:2700) 
[ 31.437388][ T381] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.437694][ T381] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 31.438069][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.438394][ T381] netif_set_mtu (net/core/dev.c:9652) 
[ 31.438699][ T381] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.439026][ T381] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.439326][ T381] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.439756][ T381] br_del_if (net/bridge/br_if.c:743) bridge 
[ 31.440097][ T381] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 31.440418][ T381] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 31.440744][ T381] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.441052][ T381] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.441452][ T381] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.441756][ T381] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.442061][ T381] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.442379][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.442689][ T381] ? __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) 
[ 31.442995][ T381] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.443383][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.443693][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.443996][ T381] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.444308][ T381] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.444611][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.444919][ T381] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.445227][ T381] ? __create_object (mm/kmemleak.c:771) 
[ 31.445533][ T381] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.445841][ T381] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.446153][ T381] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.446542][ T381] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.446854][ T381] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.447234][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.447540][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.447850][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.448155][ T381] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.448471][ T381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.448776][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.449079][ T381] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.449391][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.449699][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.450010][ T381] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.450323][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.450638][ T381] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.450964][ T381] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.451274][ T381] ? 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) 
[ 31.451581][ T381] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.451888][ T381] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.452203][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.452513][ T381] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.452818][ T381] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.453127][ T381] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.453445][ T381] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.453753][ T381] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.454055][ T381] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.454456][ T381] ___sys_sendmsg (net/socket.c:2670) 
[ 31.454758][ T381] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.455062][ T381] ? __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) 
[ 31.455452][ T381] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.455760][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.456067][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.456382][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.456694][ T381] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.456996][ T381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.457315][ T381] __sys_sendmsg (net/socket.c:2700) 
[ 31.457620][ T381] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.457997][ T381] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.458322][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.458633][ T381] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.458938][ T381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.459323][  T381] RIP: 0033:0x7fa9abf761e7
[ 31.459639][ T381] 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)
[   31.460742][  T381] RSP: 002b:00007fff9a95a408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.461208][  T381] RAX: ffffffffffffffda RBX: 00007fff9a95ab30 RCX: 00007fa9abf761e7
[   31.461665][  T381] RDX: 0000000000000000 RSI: 00007fff9a95a470 RDI: 0000000000000005
[   31.462128][  T381] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   31.462590][  T381] R10: 00007fa9abe73ee8 R11: 0000000000000246 R12: 0000000000000003
[   31.463196][  T381] R13: 00000000686e40b7 R14: 0000000000499600 R15: 0000000000000000
| [   31.582114][  T382] ------------[ cut here ]------------
| [ 31.582444][ 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) 
| [   31.583054][  T382] Modules linked in: bridge stp llc 8021q vrf veth
| [   31.584075][  T382] Tainted: [W]=WARN
[   31.584324][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.584724][ 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) 
[ 31.585050][ T382] 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
[   31.586153][  T382] RSP: 0018:ffffc90000956f70 EFLAGS: 00010246
[   31.586549][  T382] RAX: 0000000000000000 RBX: ffff888008ab2000 RCX: 0000000000000001
[   31.587017][  T382] RDX: 0000000000000000 RSI: ffffffffbac9b941 RDI: ffffffffba4555e0
[   31.587517][  T382] RBP: ffffc90000957058 R08: 0000000000000000 R09: 0000000000000000
[   31.587987][  T382] R10: ffffc90000957088 R11: ffffffffbb179160 R12: 1ffff9200012adf2
[   31.588450][  T382] R13: 00000000000005dc R14: ffffc90000957088 R15: ffff888008ab2f08
[   31.588905][  T382] FS:  00007f1b4169b800(0000) GS:ffff888079637000(0000) knlGS:0000000000000000
[   31.589439][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.589821][  T382] CR2: 00000000004e5aa8 CR3: 000000000b8e6001 CR4: 0000000000772ef0
[   31.590484][  T382] PKRU: 55555554
[   31.590724][  T382] Call Trace:
[   31.590952][  T382]  <TASK>
[ 31.591105][ 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) 
[ 31.591634][ T382] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 31.591982][ T382] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 31.592429][ T382] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.592738][ T382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.593040][ T382] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.593487][ T382] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.593789][ T382] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.594094][ T382] ? ___sys_sendmsg (net/socket.c:2670) 
[ 31.594540][ T382] ? __sys_sendmsg (net/socket.c:2700) 
[ 31.594847][ T382] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.595149][ T382] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 31.595558][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.595874][ T382] netif_set_mtu (net/core/dev.c:9652) 
[ 31.596196][ T382] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.596517][ T382] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.596748][ T382] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.597176][ T382] br_del_if (net/bridge/br_if.c:743) bridge 
[ 31.597516][ T382] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 31.597820][ T382] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 31.598156][ T382] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.598488][ T382] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.598875][ T382] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.599196][ T382] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.599500][ T382] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.599811][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.600119][ 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) 
[ 31.600437][ T382] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.600847][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.601181][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.601497][ T382] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.601807][ T382] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.602115][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.602437][ T382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.602758][ T382] ? __create_object (mm/kmemleak.c:771) 
[ 31.603063][ T382] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.603377][ T382] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.603679][ T382] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.604056][ T382] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.604378][ T382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.604706][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.605012][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.605334][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.605652][ T382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.605954][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.606269][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.606572][ T382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.606876][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.607193][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.607509][ T382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.607812][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.608117][ T382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.608438][ T382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.608742][ 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) 
[ 31.609046][ T382] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.609361][ T382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.609669][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.609980][ T382] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.610299][ T382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.610604][ T382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.610928][ T382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.611245][ T382] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.611546][ T382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.611947][ T382] ___sys_sendmsg (net/socket.c:2670) 
[ 31.612258][ T382] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.612574][ 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) 
[ 31.612965][ T382] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.613295][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.613614][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.613935][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.614264][ 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) 
[ 31.614586][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.614909][ T382] __sys_sendmsg (net/socket.c:2700) 
[ 31.615232][ T382] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.615624][ T382] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.615938][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.616252][ T382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.616557][ T382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.616934][  T382] RIP: 0033:0x7f1b418681e7
[ 31.617255][ 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)
[   31.618347][  T382] RSP: 002b:00007ffd42f9e4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.618808][  T382] RAX: ffffffffffffffda RBX: 00007ffd42f9ebd0 RCX: 00007f1b418681e7
[   31.619269][  T382] RDX: 0000000000000000 RSI: 00007ffd42f9e510 RDI: 0000000000000005
[   31.619720][  T382] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   31.620182][  T382] R10: 00007f1b41765ee8 R11: 0000000000000246 R12: 0000000000000003
[   31.620684][  T382] R13: 00000000686e40b7 R14: 0000000000499600 R15: 0000000000000000
| [   33.882537][  T384] ------------[ cut here ]------------
| [ 33.882841][ T384] WARNING: CPU: 3 PID: 384 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) 
| [   33.883604][  T384] Modules linked in: bridge stp llc 8021q vrf veth
| [   33.884618][  T384] Tainted: [W]=WARN
[   33.884853][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.885242][ T384] 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) 
[ 33.885558][ T384] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.886657][  T384] RSP: 0018:ffffc900009a6ef0 EFLAGS: 00010246
[   33.887042][  T384] RAX: 0000000000000000 RBX: ffff888008ab2000 RCX: 0000000000000001
[   33.887506][  T384] RDX: 0000000000000000 RSI: ffffffffbac9b941 RDI: ffffffffba4555e0
[   33.887960][  T384] RBP: ffffc900009a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.888420][  T384] R10: ffffc900009a7010 R11: ffffffffbbaa8918 R12: 1ffff92000134de2
[   33.888878][  T384] R13: 00000000000005dc R14: ffffc900009a7010 R15: ffff888008ab2f08
[   33.889339][  T384] FS:  00007f42e36a3800(0000) GS:ffff888079637000(0000) knlGS:0000000000000000
[   33.889867][  T384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.890254][  T384] CR2: 00000000004e5aa8 CR3: 000000000e182003 CR4: 0000000000772ef0
[   33.890730][  T384] PKRU: 55555554
[   33.890958][  T384] Call Trace:
[   33.891201][  T384]  <TASK>
[ 33.891358][ T384] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.891661][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.891971][ T384] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.892428][ T384] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.892807][ T384] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.893117][ T384] netif_set_mtu (net/core/dev.c:9652) 
[ 33.893571][ T384] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.893892][ T384] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.894465][ T384] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.894698][ T384] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.895115][ T384] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.895613][ T384] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.895927][ T384] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.896379][ T384] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.896765][ T384] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.897067][ T384] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.897381][ T384] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.897695][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.898002][ T384] ? __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) 
[ 33.898321][ T384] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.898699][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.899001][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.899311][ T384] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.899613][ T384] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.899914][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.900224][ T384] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.900529][ T384] ? __create_object (mm/kmemleak.c:771) 
[ 33.900849][ T384] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.901151][ T384] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.901466][ T384] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.901843][ T384] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.902152][ T384] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.902469][ T384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.902771][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.903083][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.903399][ T384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.903699][ T384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.904005][ T384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.904316][ T384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.904618][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.904925][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.905250][ T384] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.905561][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.905874][ T384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.906205][ T384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.906507][ T384] ? 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) 
[ 33.906811][ T384] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.907118][ T384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.907435][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.907742][ T384] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.908051][ T384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.908365][ T384] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.908675][ T384] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.908986][ T384] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.909303][ T384] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.909692][ T384] ___sys_sendmsg (net/socket.c:2670) 
[ 33.910001][ T384] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.910314][ T384] ? __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) 
[ 33.910705][ T384] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.911012][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.911333][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.911642][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.911948][ T384] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.912268][ T384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.912579][ T384] __sys_sendmsg (net/socket.c:2700) 
[ 33.912879][ T384] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.913269][ T384] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.913583][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.913886][ T384] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.914205][ T384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.914585][  T384] RIP: 0033:0x7f42e38701e7
[ 33.914898][ T384] 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)
[   33.916000][  T384] RSP: 002b:00007ffee19891a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.916469][  T384] RAX: ffffffffffffffda RBX: 00007ffee19898d0 RCX: 00007f42e38701e7
[   33.916926][  T384] RDX: 0000000000000000 RSI: 00007ffee1989210 RDI: 0000000000000005
[   33.917400][  T384] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.917853][  T384] R10: 0000000000cbb910 R11: 0000000000000246 R12: 0000000000000004
[   33.918319][  T384] R13: 00000000686e40b9 R14: 0000000000499600 R15: 0000000000000000
| [   34.034403][  T385] ------------[ cut here ]------------
| [ 34.034741][ T385] WARNING: CPU: 2 PID: 385 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) 
| [   34.036193][  T385] Modules linked in: bridge stp llc 8021q vrf veth
| [   34.037311][  T385] Tainted: [W]=WARN
[   34.037566][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.037984][ T385] 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) 
[ 34.038344][ T385] 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
[   34.039513][  T385] RSP: 0018:ffffc900009a6ef0 EFLAGS: 00010246
[   34.039934][  T385] RAX: 0000000000000000 RBX: ffff888008ab2000 RCX: 0000000000000001
[   34.040436][  T385] RDX: 0000000000000000 RSI: ffffffffbac9b941 RDI: ffffffffba4555e0
[   34.040938][  T385] RBP: ffffc900009a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.041436][  T385] R10: ffffc900009a7010 R11: ffffffffbbaa8918 R12: 1ffff92000134de2
[   34.041930][  T385] R13: 00000000000005dc R14: ffffc900009a7010 R15: ffff888008ab2f08
[   34.042435][  T385] FS:  00007f50366a9800(0000) GS:ffff8880795b7000(0000) knlGS:0000000000000000
[   34.043008][  T385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.043432][  T385] CR2: 00000000004e5ab0 CR3: 000000000e30c006 CR4: 0000000000772ef0
[   34.043924][  T385] PKRU: 55555554
[   34.044186][  T385] Call Trace:
[   34.044437][  T385]  <TASK>
[ 34.044617][ T385] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.044952][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.045303][ T385] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 34.045637][ T385] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 34.046047][ T385] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 34.046403][ T385] netif_set_mtu (net/core/dev.c:9652) 
[ 34.046739][ T385] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.047081][ T385] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 34.047560][ T385] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.047819][ T385] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.048279][ T385] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.048663][ T385] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.049002][ T385] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.049351][ T385] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.049772][ T385] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.050105][ T385] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.050446][ T385] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.050792][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.051128][ T385] ? __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) 
[ 34.051470][ T385] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.051880][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.052243][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.052577][ T385] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.052907][ T385] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.053259][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.053594][ T385] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.053925][ T385] ? __create_object (mm/kmemleak.c:771) 
[ 34.054283][ T385] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.054621][ T385] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.054963][ T385] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.055385][ T385] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.055726][ T385] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.056068][ T385] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.056409][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.056750][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.057083][ T385] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.057426][ T385] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.057765][ T385] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.058098][ T385] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.058444][ T385] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.058782][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.059120][ T385] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.059462][ T385] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.059794][ T385] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.060139][ T385] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.060481][ T385] ? 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) 
[ 34.060825][ T385] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.061173][ T385] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.061507][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.061848][ T385] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.062194][ T385] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.062536][ T385] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.062872][ T385] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.063213][ T385] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.063540][ T385] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.063959][ T385] ___sys_sendmsg (net/socket.c:2670) 
[ 34.064295][ T385] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.064622][ T385] ? __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) 
[ 34.065034][ T385] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.065380][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.065713][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.066051][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.066389][ T385] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.066719][ T385] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.067058][ T385] __sys_sendmsg (net/socket.c:2700) 
[ 34.067397][ T385] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.067810][ T385] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.068158][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.068499][ T385] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.068832][ T385] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.069248][  T385] RIP: 0033:0x7f50368761e7
[ 34.069589][ T385] 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)
[   34.070765][  T385] RSP: 002b:00007ffe07a629e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.071273][  T385] RAX: ffffffffffffffda RBX: 00007ffe07a63110 RCX: 00007f50368761e7
[   34.071765][  T385] RDX: 0000000000000000 RSI: 00007ffe07a62a50 RDI: 0000000000000005
[   34.072275][  T385] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.072772][  T385] R10: 0000000038a01910 R11: 0000000000000246 R12: 0000000000000004
[   34.073275][  T385] R13: 00000000686e40b9 R14: 0000000000499600 R15: 0000000000000000
| [   38.089775][  T430] ------------[ cut here ]------------
| [ 38.090115][ T430] WARNING: CPU: 2 PID: 430 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.090770][  T430] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.091829][  T430] Tainted: [W]=WARN
[   38.092074][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.092487][ T430] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.092816][ T430] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.093920][  T430] RSP: 0018:ffffc90000c06f70 EFLAGS: 00010246
[   38.094823][  T430] RAX: 0000000000000000 RBX: ffff888008ab2000 RCX: 0000000000000001
[   38.095358][  T430] RDX: 0000000000000000 RSI: ffffffffbac9b941 RDI: ffffffffba4555e0
[   38.095828][  T430] RBP: ffffc90000c07058 R08: 0000000000000000 R09: 0000000000000000
[   38.096313][  T430] R10: ffffc90000c07088 R11: ffffffffbb179160 R12: 1ffff92000180df2
[   38.096781][  T430] R13: 00000000000005dc R14: ffffc90000c07088 R15: ffff888008ab2f08
[   38.097294][  T430] FS:  00007fccb10bc800(0000) GS:ffff8880795b7000(0000) knlGS:0000000000000000
[   38.097878][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.098291][  T430] CR2: 00000000004e5ab0 CR3: 000000000e10a005 CR4: 0000000000772ef0
[   38.098766][  T430] PKRU: 55555554
[   38.099010][  T430] Call Trace:
[   38.099267][  T430]  <TASK>
[ 38.099434][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.099832][ T430] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 38.100234][ T430] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 38.100560][ T430] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.100888][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.101226][ T430] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.101566][ T430] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.101888][ T430] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.102216][ T430] ? ___sys_sendmsg (net/socket.c:2670) 
[ 38.102535][ T430] ? __sys_sendmsg (net/socket.c:2700) 
[ 38.102851][ T430] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.103183][ T430] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 38.103576][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.103916][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 38.104246][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.104579][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.104822][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.105281][ T430] br_del_if (net/bridge/br_if.c:743) bridge 
[ 38.105633][ T430] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 38.105952][ T430] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 38.106289][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.106621][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.107015][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.107342][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.107658][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.107983][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.108317][ T430] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.108634][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.109028][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.109372][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.109693][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.110010][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.110337][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.110663][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.110975][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 38.111311][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.111626][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.111940][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.112338][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.112661][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.112981][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.113317][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.113647][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.113971][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.114292][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.114611][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.114922][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.115251][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.115569][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.115888][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.116212][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.116536][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.116863][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.117202][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.117528][ T430] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.117843][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.118157][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.118495][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.118817][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.119146][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.119497][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.119832][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.120174][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.120593][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 38.120930][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.121290][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.121703][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.122044][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.122387][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.122726][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.123055][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.123394][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.123732][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 38.124062][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.124480][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.124820][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.125205][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.125552][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.125959][  T430] RIP: 0033:0x7fccb12891e7
[ 38.126322][ T430] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.127479][  T430] RSP: 002b:00007fff6c0414f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.127974][  T430] RAX: ffffffffffffffda RBX: 00007fff6c041c20 RCX: 00007fccb12891e7
[   38.128482][  T430] RDX: 0000000000000000 RSI: 00007fff6c041560 RDI: 0000000000000005
[   38.128966][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.129455][  T430] R10: 00007fccb1186ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.129930][  T430] R13: 00000000686e40bd R14: 0000000000499600 R15: 0000000000000000
| [   38.270274][  T431] ------------[ cut here ]------------
| [ 38.270594][ T431] WARNING: CPU: 0 PID: 431 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) 
| [   38.271218][  T431] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.272290][  T431] Tainted: [W]=WARN
[   38.272524][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.272969][ T431] 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) 
[ 38.273756][ T431] 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
[   38.275235][  T431] RSP: 0018:ffffc90000c06f70 EFLAGS: 00010246
[   38.275915][  T431] RAX: 0000000000000000 RBX: ffff888008ab2000 RCX: 0000000000000001
[   38.276747][  T431] RDX: 0000000000000000 RSI: ffffffffbac9b941 RDI: ffffffffba4555e0
[   38.277341][  T431] RBP: ffffc90000c07058 R08: 0000000000000000 R09: 0000000000000000
[   38.277976][  T431] R10: ffffc90000c07088 R11: ffffffffbb179160 R12: 1ffff92000180df2
[   38.278801][  T431] R13: 00000000000005dc R14: ffffc90000c07088 R15: ffff888008ab2f08
[   38.279618][  T431] FS:  00007ff720e22800(0000) GS:ffff8880794b7000(0000) knlGS:0000000000000000
[   38.280581][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.281320][  T431] CR2: 00000000004e5aa8 CR3: 000000000a5c5005 CR4: 0000000000772ef0
[   38.281882][  T431] PKRU: 55555554
[   38.282137][  T431] Call Trace:
[   38.282438][  T431]  <TASK>
[ 38.282605][ T431] ? __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) 
[ 38.282988][ T431] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 38.283346][ T431] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 38.283764][ T431] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.284138][ T431] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.284543][ T431] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.284950][ T431] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.285324][ T431] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.285707][ T431] ? ___sys_sendmsg (net/socket.c:2670) 
[ 38.286089][ T431] ? __sys_sendmsg (net/socket.c:2700) 
[ 38.286406][ T431] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.286804][ T431] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 38.287204][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.287519][ T431] netif_set_mtu (net/core/dev.c:9652) 
[ 38.287947][ T431] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.288344][ T431] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.288611][ T431] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.289277][ T431] br_del_if (net/bridge/br_if.c:743) bridge 
[ 38.289729][ T431] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 38.290103][ T431] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 38.290520][ T431] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.290855][ T431] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.291250][ T431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.291603][ T431] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.292031][ T431] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.292392][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.292895][ T431] ? __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) 
[ 38.293232][ T431] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.293715][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.294058][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.294456][ T431] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.294775][ T431] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.295080][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.295480][ T431] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.295877][ T431] ? __create_object (mm/kmemleak.c:771) 
[ 38.296292][ T431] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.296696][ T431] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.297214][ T431] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.297664][ T431] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.298007][ T431] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.298333][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.298651][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.298968][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.299396][ T431] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.299833][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.300216][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.300527][ T431] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.300987][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.301321][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.301654][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.301960][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.302274][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.302605][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.302990][ T431] ? 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) 
[ 38.303307][ T431] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.303624][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.303933][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.304346][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.304737][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.305042][ T431] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.305509][ T431] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.305957][ T431] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.306270][ T431] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.306740][ T431] ___sys_sendmsg (net/socket.c:2670) 
[ 38.307110][ T431] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.307425][ T431] ? __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) 
[ 38.307900][ T431] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.308223][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.308529][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.308995][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.309343][ T431] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.309777][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.310158][ T431] __sys_sendmsg (net/socket.c:2700) 
[ 38.310480][ T431] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.310973][ T431] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.311361][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.311695][ T431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.312085][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.312486][  T431] RIP: 0033:0x7ff720fef1e7
[ 38.312841][ T431] 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)
[   38.314250][  T431] RSP: 002b:00007ffdbb20b9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.314800][  T431] RAX: ffffffffffffffda RBX: 00007ffdbb20c110 RCX: 00007ff720fef1e7
[   38.315432][  T431] RDX: 0000000000000000 RSI: 00007ffdbb20ba50 RDI: 0000000000000005
[   38.315964][  T431] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.316541][  T431] R10: 00007ff720eecee8 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