======================================
| [   19.513293][  T315] veth1: entered promiscuous mode
| [   19.515593][  T315] ------------[ cut here ]------------
| [ 19.515917][ T315] WARNING: CPU: 3 PID: 315 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) 
| [   19.516561][  T315] Modules linked in: vrf bridge stp llc veth
[   19.517709][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.518095][ T315] 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) 
[ 19.518474][ T315] 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
[   19.519744][  T315] RSP: 0018:ffffc900006b6ef0 EFLAGS: 00010246
[   19.520142][  T315] RAX: 0000000000000000 RBX: ffff88800b9ba000 RCX: 0000000000000001
[   19.520615][  T315] RDX: 0000000000000000 RSI: ffffffff8e89b939 RDI: ffffffff8e0555e0
[   19.521090][  T315] RBP: ffffc900006b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.521583][  T315] R10: ffffc900006b7010 R11: ffffffff8f6a8918 R12: 1ffff920000d6de2
[   19.522053][  T315] R13: 00000000000005dc R14: ffffc900006b7010 R15: ffff88800b9baf08
[   19.522522][  T315] FS:  00007fd17d27c800(0000) GS:ffff8880a5a37000(0000) knlGS:0000000000000000
[   19.523069][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.523463][  T315] CR2: 00000000004e5aa8 CR3: 00000000050db004 CR4: 0000000000772ef0
[   19.523930][  T315] PKRU: 55555554
[   19.524158][  T315] Call Trace:
[   19.524399][  T315]  <TASK>
[ 19.524560][ T315] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.524875][ T315] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.525196][ T315] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.525513][ T315] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.525903][ T315] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.526213][ T315] netif_set_mtu (net/core/dev.c:9652) 
[ 19.526531][ T315] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.526847][ T315] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.527301][ T315] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.527534][ T315] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.527956][ T315] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.528314][ T315] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 19.528624][ T315] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.528933][ T315] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.529335][ T315] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.529642][ T315] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.529943][ T315] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.530265][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.530572][ T315] ? __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) 
[ 19.530875][ T315] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.531274][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.531587][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.531891][ T315] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.532194][ T315] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.532507][ T315] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.532813][ T315] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.533114][ T315] ? __create_object (mm/kmemleak.c:771) 
[ 19.533438][ T315] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.533743][ T315] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.534066][ T315] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.534460][ T315] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.534781][ T315] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.535095][ T315] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.535408][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.535719][ T315] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.536023][ T315] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.536339][ T315] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.536646][ T315] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.536951][ T315] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.537265][ T315] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.537574][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.537883][ T315] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.538196][ T315] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.538512][ T315] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.538835][ T315] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.539140][ T315] ? 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) 
[ 19.539458][ T315] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.539774][ T315] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.540078][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.540398][ T315] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.540713][ T315] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.541028][ T315] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.541368][ T315] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.541684][ T315] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.541992][ T315] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.542390][ T315] ___sys_sendmsg (net/socket.c:2670) 
[ 19.542695][ T315] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.543006][ T315] ? __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) 
[ 19.543395][ T315] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.543702][ T315] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.544013][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.544332][ T315] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.544638][ T315] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.544949][ T315] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.545273][ T315] __sys_sendmsg (net/socket.c:2700) 
[ 19.545578][ T315] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.545956][ T315] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.546280][ T315] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.546587][ T315] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.546897][ T315] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.547283][  T315] RIP: 0033:0x7fd17d4491e7
[ 19.547608][ T315] 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)
[   19.548704][  T315] RSP: 002b:00007ffe4c637a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.549171][  T315] RAX: ffffffffffffffda RBX: 00007ffe4c638140 RCX: 00007fd17d4491e7
[   19.549645][  T315] RDX: 0000000000000000 RSI: 00007ffe4c637a80 RDI: 0000000000000005
[   19.550110][  T315] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.550582][  T315] R10: 0000000009ba7910 R11: 0000000000000246 R12: 0000000000000004
[   19.551051][  T315] R13: 00000000686e70a0 R14: 0000000000499600 R15: 0000000000000000
| [   19.667306][  T317] ------------[ cut here ]------------
| [ 19.667649][ T317] WARNING: CPU: 2 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) 
| [   19.669218][  T317] Modules linked in: vrf bridge stp llc veth
| [   19.670294][  T317] Tainted: [W]=WARN
[   19.670584][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.671034][ 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) 
[ 19.671396][ T317] 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
[   19.672552][  T317] RSP: 0018:ffffc900004c6ef0 EFLAGS: 00010246
[   19.672988][  T317] RAX: 0000000000000000 RBX: ffff88800b9ba000 RCX: 0000000000000001
[   19.673496][  T317] RDX: 0000000000000000 RSI: ffffffff8e89b939 RDI: ffffffff8e0555e0
[   19.673969][  T317] RBP: ffffc900004c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.674451][  T317] R10: ffffc900004c7010 R11: ffffffff8f6a8918 R12: 1ffff92000098de2
[   19.674920][  T317] R13: 00000000000005dc R14: ffffc900004c7010 R15: ffff88800b9baf08
[   19.675404][  T317] FS:  00007fc91bac7800(0000) GS:ffff8880a59b7000(0000) knlGS:0000000000000000
[   19.675951][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.676354][  T317] CR2: 00000000004e5ab8 CR3: 000000000bbd1005 CR4: 0000000000772ef0
[   19.676834][  T317] PKRU: 55555554
[   19.677074][  T317] Call Trace:
[   19.677327][  T317]  <TASK>
[ 19.677497][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.677823][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.678147][ T317] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.678477][ T317] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.678879][ T317] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.679204][ T317] netif_set_mtu (net/core/dev.c:9652) 
[ 19.679532][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.679864][ T317] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.680320][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.680569][ T317] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.681000][ T317] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.681385][ T317] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 19.681711][ T317] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.682035][ T317] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.682450][ T317] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.682772][ T317] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.683090][ T317] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.683424][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.683751][ 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) 
[ 19.684071][ T317] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.684510][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.684857][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.685196][ T317] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.685561][ T317] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.685894][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.686227][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.686568][ T317] ? __create_object (mm/kmemleak.c:771) 
[ 19.686899][ T317] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.687228][ T317] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.687584][ T317] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.687989][ T317] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.688343][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.688674][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.688999][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.689339][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.689680][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.689999][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.690340][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.690677][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.691007][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.691362][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.691688][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.692038][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.692375][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.692714][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.693033][ 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) 
[ 19.693406][ T317] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.693732][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.694046][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.694381][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.694709][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.695032][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.695365][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.695694][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.696010][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.696435][ T317] ___sys_sendmsg (net/socket.c:2670) 
[ 19.696750][ T317] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.697070][ 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) 
[ 19.697474][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.697795][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.698116][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.698452][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.698770][ 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) 
[ 19.699097][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.699430][ T317] __sys_sendmsg (net/socket.c:2700) 
[ 19.699748][ T317] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.700144][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.700489][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.700814][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.701153][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.701553][  T317] RIP: 0033:0x7fc91bc941e7
[ 19.701883][ 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)
[   19.703268][  T317] RSP: 002b:00007ffcaecb2c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.703741][  T317] RAX: ffffffffffffffda RBX: 00007ffcaecb3390 RCX: 00007fc91bc941e7
[   19.704205][  T317] RDX: 0000000000000000 RSI: 00007ffcaecb2cd0 RDI: 0000000000000005
[   19.704926][  T317] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.705410][  T317] R10: 000000001a00e910 R11: 0000000000000246 R12: 0000000000000004
[   19.706104][  T317] R13: 00000000686e70a0 R14: 0000000000499600 R15: 0000000000000000
| [   39.056664][  T559] ------------[ cut here ]------------
| [ 39.056982][ T559] WARNING: CPU: 3 PID: 559 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) 
| [   39.057631][  T559] Modules linked in: vrf bridge stp llc veth
| [   39.059546][  T559] Tainted: [W]=WARN
[   39.059783][  T559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.060179][ T559] 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) 
[ 39.060510][ T559] 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
[   39.061704][  T559] RSP: 0018:ffffc90000e56ef0 EFLAGS: 00010246
[   39.062095][  T559] RAX: 0000000000000000 RBX: ffff88800b9ba000 RCX: 0000000000000001
[   39.062578][  T559] RDX: 0000000000000000 RSI: ffffffff8e89b939 RDI: ffffffff8e0555e0
[   39.063037][  T559] RBP: ffffc90000e56fe0 R08: 0000000000000000 R09: 0000000000000000
[   39.063514][  T559] R10: ffffc90000e57010 R11: ffffffff8f6a8918 R12: 1ffff920001cade2
[   39.063973][  T559] R13: 00000000000005dc R14: ffffc90000e57010 R15: ffff88800b9baf08
[   39.064457][  T559] FS:  00007f0888161800(0000) GS:ffff8880a5a37000(0000) knlGS:0000000000000000
[   39.064991][  T559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.065414][  T559] CR2: 00000000004e5ac8 CR3: 000000000dc20003 CR4: 0000000000772ef0
[   39.065879][  T559] PKRU: 55555554
[   39.066111][  T559] Call Trace:
[   39.066365][  T559]  <TASK>
[ 39.066525][ T559] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.066833][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.067144][ T559] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 39.067536][ T559] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 39.067924][ T559] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 39.068235][ T559] netif_set_mtu (net/core/dev.c:9652) 
[ 39.068578][ T559] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 39.068893][ T559] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 39.069390][ T559] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 39.069634][ T559] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 39.070063][ T559] br_add_if (net/bridge/br_if.c:697) bridge 
[ 39.070455][ T559] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 39.070768][ T559] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 39.071105][ T559] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.071560][ T559] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.071866][ T559] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.072176][ T559] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.072515][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.072823][ T559] ? __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) 
[ 39.073128][ T559] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.073560][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.073868][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.074170][ T559] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.074507][ T559] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.074813][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.075121][ T559] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.075435][ T559] ? __create_object (mm/kmemleak.c:771) 
[ 39.075755][ T559] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.076065][ T559] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.076381][ T559] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.076767][ T559] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.077087][ T559] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.077425][ T559] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.077746][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.078055][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.078372][ T559] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.078687][ T559] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.078999][ T559] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.079315][ T559] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.079656][ T559] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.079963][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.080286][ T559] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.080594][ T559] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.080913][ T559] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.081271][ T559] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.081576][ T559] ? 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) 
[ 39.081898][ T559] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.082205][ T559] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.082518][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.082836][ T559] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.083143][ T559] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.083457][ T559] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.083781][ T559] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.084094][ T559] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.084408][ T559] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.084808][ T559] ___sys_sendmsg (net/socket.c:2670) 
[ 39.085114][ T559] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.085436][ T559] ? __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) 
[ 39.085855][ T559] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.086162][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.086482][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.086808][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.087112][ T559] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.087420][ T559] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.087730][ T559] __sys_sendmsg (net/socket.c:2700) 
[ 39.088044][ T559] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.088431][ T559] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.088750][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.089070][ T559] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.089404][ T559] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.089933][  T559] RIP: 0033:0x7f088832e1e7
[ 39.090268][ T559] 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)
[   39.091445][  T559] RSP: 002b:00007ffd78604888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.091935][  T559] RAX: ffffffffffffffda RBX: 00007ffd78604fb0 RCX: 00007f088832e1e7
[   39.092404][  T559] RDX: 0000000000000000 RSI: 00007ffd786048f0 RDI: 0000000000000005
[   39.092860][  T559] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   39.093353][  T559] R10: 0000000026630910 R11: 0000000000000246 R12: 0000000000000003
[   39.093813][  T559] R13: 00000000686e70b3 R14: 0000000000499600 R15: 0000000000000000
| [   39.358826][  T564] ------------[ cut here ]------------
| [ 39.359169][ T564] WARNING: CPU: 2 PID: 564 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) 
| [   39.360497][  T564] Modules linked in: vrf bridge stp llc veth
| [   39.361598][  T564] Tainted: [W]=WARN
[   39.361843][  T564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.362232][ T564] 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) 
[ 39.362569][ T564] 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
[   39.363668][  T564] RSP: 0018:ffffc90000e86f70 EFLAGS: 00010246
[   39.364064][  T564] RAX: 0000000000000000 RBX: ffff88800b9ba000 RCX: 0000000000000001
[   39.364539][  T564] RDX: 0000000000000000 RSI: ffffffff8e89b939 RDI: ffffffff8e0555e0
[   39.365008][  T564] RBP: ffffc90000e87058 R08: 0000000000000000 R09: 0000000000000000
[   39.365481][  T564] R10: ffffc90000e87088 R11: ffffffff8ac00130 R12: 1ffff920001d0df2
[   39.365949][  T564] R13: 00000000000005dc R14: ffffc90000e87088 R15: ffff88800b9baf08
[   39.366423][  T564] FS:  00007f0fd2042800(0000) GS:ffff8880a59b7000(0000) knlGS:0000000000000000
[   39.366971][  T564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.367374][  T564] CR2: 00000000004e5ac8 CR3: 000000000baad006 CR4: 0000000000772ef0
[   39.367946][  T564] PKRU: 55555554
[   39.368202][  T564] Call Trace:
[   39.368452][  T564]  <TASK>
[ 39.368617][ T564] ? __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) 
[ 39.369013][ T564] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 39.369381][ T564] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 39.369698][ T564] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 39.370011][ T564] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.370337][ T564] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.370656][ T564] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.370966][ T564] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.371306][ T564] ? ___sys_sendmsg (net/socket.c:2670) 
[ 39.371621][ T564] ? __sys_sendmsg (net/socket.c:2700) 
[ 39.371942][ T564] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.372265][ T564] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 39.372658][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.372981][ T564] netif_set_mtu (net/core/dev.c:9652) 
[ 39.373312][ T564] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 39.373641][ T564] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 39.373885][ T564] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 39.374328][ T564] br_del_if (net/bridge/br_if.c:743) bridge 
[ 39.374677][ T564] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 39.374992][ T564] do_set_master (net/core/rtnetlink.c:2932) 
[ 39.375321][ T564] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 39.375639][ T564] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.376039][ T564] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.376361][ T564] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.376678][ T564] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.376999][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.377326][ T564] ? __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) 
[ 39.377641][ T564] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.378029][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.378354][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.378667][ T564] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.378981][ T564] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.379308][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.379621][ T564] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.379931][ T564] ? __create_object (mm/kmemleak.c:771) 
[ 39.380260][ T564] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.380577][ T564] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.380890][ T564] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.381301][ T564] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.381626][ T564] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.381952][ T564] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.382293][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.382619][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.382934][ T564] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.383252][ T564] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.383572][ T564] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.383883][ T564] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.384204][ T564] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.384530][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.384850][ T564] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.385161][ T564] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.385486][ T564] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.385809][ T564] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.386123][ T564] ? 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) 
[ 39.386454][ T564] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.386773][ T564] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.387085][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.387414][ T564] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.387732][ T564] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.388049][ T564] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.388377][ T564] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.388697][ T564] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.389014][ T564] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.389421][ T564] ___sys_sendmsg (net/socket.c:2670) 
[ 39.389732][ T564] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.390046][ T564] ? __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) 
[ 39.390454][ T564] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.390777][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.391104][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.391434][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.391749][ T564] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.392064][ T564] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.392393][ T564] __sys_sendmsg (net/socket.c:2700) 
[ 39.392708][ T564] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.393093][ T564] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.393432][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.393750][ T564] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.394069][ T564] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.394466][  T564] RIP: 0033:0x7f0fd220f1e7
[ 39.394792][ T564] 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)
[   39.395893][  T564] RSP: 002b:00007ffe452df048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.396371][  T564] RAX: ffffffffffffffda RBX: 00007ffe452df770 RCX: 00007f0fd220f1e7
[   39.396836][  T564] RDX: 0000000000000000 RSI: 00007ffe452df0b0 RDI: 0000000000000005
[   39.397307][  T564] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   39.397774][  T564] R10: 00007f0fd210cee8 R11: 0000000000000246 R12: 0000000000000002
[   39.398237][  T564] R13: 00000000686e70b4 R14: 0000000000499600 R15: 0000000000000000
| [   40.548606][  T579] ------------[ cut here ]------------
| [ 40.548917][ T579] WARNING: CPU: 0 PID: 579 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.549840][  T579] Modules linked in: vrf bridge stp llc veth
| [   40.550859][  T579] Tainted: [W]=WARN
[   40.551101][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.551491][ T579] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.551804][ T579] 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
[   40.552899][  T579] RSP: 0018:ffffc90000e96ef0 EFLAGS: 00010246
[   40.553292][  T579] RAX: 0000000000000000 RBX: ffff88800b9ba000 RCX: 0000000000000001
[   40.553755][  T579] RDX: 0000000000000000 RSI: ffffffff8e89b939 RDI: ffffffff8e0555e0
[   40.554213][  T579] RBP: ffffc90000e96fe0 R08: 0000000000000000 R09: 0000000000000000
[   40.554678][  T579] R10: ffffc90000e97010 R11: ffffffff8f6a8918 R12: 1ffff920001d2de2
[   40.555135][  T579] R13: 00000000000005dc R14: ffffc90000e97010 R15: ffff88800b9baf08
[   40.555605][  T579] FS:  00007fe2663b5800(0000) GS:ffff8880a58b7000(0000) knlGS:0000000000000000
[   40.556230][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.556622][  T579] CR2: 00000000004e5ac8 CR3: 000000000e1f4005 CR4: 0000000000772ef0
[   40.557088][  T579] PKRU: 55555554
[   40.557342][  T579] Call Trace:
[   40.557571][  T579]  <TASK>
[ 40.557733][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.558039][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.558358][ T579] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 40.558675][ T579] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 40.559064][ T579] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 40.559387][ T579] netif_set_mtu (net/core/dev.c:9652) 
[ 40.559695][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.560011][ T579] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 40.560457][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.560692][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 40.561125][ T579] br_add_if (net/bridge/br_if.c:697) bridge 
[ 40.561487][ T579] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 40.561800][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.562111][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.562507][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.562820][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.563122][ T579] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.563442][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.563750][ T579] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.564055][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.564444][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.564752][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.565061][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.565374][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.565678][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.565986][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.566301][ T579] ? __create_object (mm/kmemleak.c:771) 
[ 40.566608][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.566913][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.567215][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.567604][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.567914][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.568224][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.568538][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.568847][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.569153][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.569464][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.569770][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.570075][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.570390][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.570700][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.571006][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.571376][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.571686][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.572000][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.572318][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.572624][ T579] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.572931][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.573232][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.573554][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.573859][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.574164][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.574489][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.574799][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.575100][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.575500][ T579] ___sys_sendmsg (net/socket.c:2670) 
[ 40.575801][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.576102][ T579] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.576490][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.576801][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.577110][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.577428][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.577738][ T579] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.578041][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.578360][ T579] __sys_sendmsg (net/socket.c:2700) 
[ 40.578662][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.579043][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.579367][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.579673][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.579976][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.580376][  T579] RIP: 0033:0x7fe2665821e7
[ 40.580689][ T579] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.581793][  T579] RSP: 002b:00007ffe72b69608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.582266][  T579] RAX: ffffffffffffffda RBX: 00007ffe72b69d30 RCX: 00007fe2665821e7
[   40.582722][  T579] RDX: 0000000000000000 RSI: 00007ffe72b69670 RDI: 0000000000000005
[   40.583177][  T579] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   40.583646][  T579] R10: 000000003cd7c910 R11: 0000000000000246 R12: 0000000000000003
[   40.584100][  T579] R13: 00000000686e70b5 R14: 0000000000499600 R15: 0000000000000000
| [   40.860613][  T584] ------------[ cut here ]------------
| [ 40.860938][ T584] WARNING: CPU: 0 PID: 584 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) 
| [   40.861583][  T584] Modules linked in: vrf bridge stp llc veth
| [   40.863666][  T584] Tainted: [W]=WARN
[   40.863905][  T584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.864292][ T584] 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) 
[ 40.864609][ T584] 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
[   40.865718][  T584] RSP: 0018:ffffc90000e56f70 EFLAGS: 00010246
[   40.866109][  T584] RAX: 0000000000000000 RBX: ffff88800b9ba000 RCX: 0000000000000001
[   40.866571][  T584] RDX: 0000000000000000 RSI: ffffffff8e89b939 RDI: ffffffff8e0555e0
[   40.867040][  T584] RBP: ffffc90000e57058 R08: 0000000000000000 R09: 0000000000000000
[   40.867500][  T584] R10: ffffc90000e57088 R11: ffffffff8ed79160 R12: 1ffff920001cadf2
[   40.867953][  T584] R13: 00000000000005dc R14: ffffc90000e57088 R15: ffff88800b9baf08
[   40.868411][  T584] FS:  00007f8d82fd3800(0000) GS:ffff8880a58b7000(0000) knlGS:0000000000000000
[   40.868938][  T584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.869341][  T584] CR2: 00000000004e5ac8 CR3: 000000000bc02006 CR4: 0000000000772ef0
[   40.869797][  T584] PKRU: 55555554
[   40.870025][  T584] Call Trace:
[   40.870264][  T584]  <TASK>
[ 40.870424][ T584] ? __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) 
[ 40.870807][ T584] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 40.871162][ T584] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 40.871483][ T584] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.871788][ T584] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.872092][ T584] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.872403][ T584] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.872703][ T584] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.873008][ T584] ? ___sys_sendmsg (net/socket.c:2670) 
[ 40.873359][ T584] ? __sys_sendmsg (net/socket.c:2700) 
[ 40.873669][ T584] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.873972][ T584] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 40.874356][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.874669][ T584] netif_set_mtu (net/core/dev.c:9652) 
[ 40.874973][ T584] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.875302][ T584] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.875533][ T584] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 40.875955][ T584] br_del_if (net/bridge/br_if.c:743) bridge 
[ 40.876303][ T584] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 40.876608][ T584] do_set_master (net/core/rtnetlink.c:2932) 
[ 40.876915][ T584] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.877220][ T584] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.877622][ T584] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.877924][ T584] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.878225][ T584] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.878547][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.878854][ T584] ? __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) 
[ 40.879156][ T584] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.879542][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.879848][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.880151][ T584] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.880462][ T584] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.880771][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.881080][ T584] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.881404][ T584] ? __create_object (mm/kmemleak.c:771) 
[ 40.881710][ T584] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.882014][ T584] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.882326][ T584] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.882703][ T584] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.883013][ T584] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.883335][ T584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.883638][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.883944][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.884261][ T584] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.884564][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.884866][ T584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.885169][ T584] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.885497][ T584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.885813][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.886120][ T584] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.886431][ T584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.886736][ T584] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.887052][ T584] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.887361][ T584] ? 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) 
[ 40.887673][ T584] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.887981][ T584] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.888294][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.888604][ T584] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.888909][ T584] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.889211][ T584] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.889541][ T584] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.889848][ T584] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.890155][ T584] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.890554][ T584] ___sys_sendmsg (net/socket.c:2670) 
[ 40.890855][ T584] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.891163][ T584] ? __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) 
[ 40.891549][ T584] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.891856][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.892162][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.892485][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.892789][ T584] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.893090][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.893436][ T584] __sys_sendmsg (net/socket.c:2700) 
[ 40.893739][ T584] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.894115][ T584] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.894436][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.894744][ T584] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.895049][ T584] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.895431][  T584] RIP: 0033:0x7f8d831a01e7
[ 40.895744][ T584] 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)
[   40.896830][  T584] RSP: 002b:00007ffc899ce7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.897306][  T584] RAX: ffffffffffffffda RBX: 00007ffc899ceed0 RCX: 00007f8d831a01e7
[   40.897758][  T584] RDX: 0000000000000000 RSI: 00007ffc899ce810 RDI: 0000000000000005
[   40.898211][  T584] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   40.898671][  T584] R10: 00007f8d8309dee8 R11: 0000000000000246 R12: 0000000000000002
[   40.899131][  T584] R13: 00000000686e70b5 R14: 0000000000499600 R15: 0000000000000000
| [  103.824130][ T1324] ------------[ cut here ]------------
| [ 103.824461][ T1324] WARNING: CPU: 1 PID: 1324 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) 
| [  103.825086][ T1324] Modules linked in: vrf bridge stp llc veth
| [  103.826135][ T1324] Tainted: [W]=WARN
[  103.826390][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 103.826777][ T1324] 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) 
[ 103.827101][ T1324] 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
[  103.829198][ T1324] RSP: 0018:ffffc900022a6ef0 EFLAGS: 00010246
[  103.829602][ T1324] RAX: 0000000000000000 RBX: ffff88800b9ba000 RCX: 0000000000000001
[  103.830066][ T1324] RDX: 0000000000000000 RSI: ffffffff8e89b939 RDI: ffffffff8e0555e0
[  103.830546][ T1324] RBP: ffffc900022a6fe0 R08: 0000000000000000 R09: 0000000000000000
[  103.831010][ T1324] R10: ffffc900022a7010 R11: ffffffff8f6a8918 R12: 1ffff92000454de2
[  103.831501][ T1324] R13: 00000000000005dc R14: ffffc900022a7010 R15: ffff88800b9baf08
[  103.831960][ T1324] FS:  00007f7fed29d800(0000) GS:ffff8880a5937000(0000) knlGS:0000000000000000
[  103.832509][ T1324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.832897][ T1324] CR2: 00000000004e5ac8 CR3: 0000000008aee001 CR4: 0000000000772ef0
[  103.833365][ T1324] PKRU: 55555554
[  103.833591][ T1324] Call Trace:
[  103.833828][ T1324]  <TASK>
[ 103.833987][ T1324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 103.834338][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.834675][ T1324] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 103.834991][ T1324] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 103.835402][ T1324] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 103.835713][ T1324] netif_set_mtu (net/core/dev.c:9652) 
[ 103.836026][ T1324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 103.836359][ T1324] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 103.836813][ T1324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 103.837048][ T1324] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 103.837478][ T1324] br_add_if (net/bridge/br_if.c:697) bridge 
[ 103.837840][ T1324] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 103.838157][ T1324] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 103.838490][ T1324] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 103.838876][ T1324] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 103.839187][ T1324] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 103.839498][ T1324] ? __kernel_text_address (kernel/extable.c:79) 
[ 103.839813][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.840126][ T1324] ? __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) 
[ 103.840456][ T1324] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 103.840855][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.841185][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.841503][ T1324] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 103.841806][ T1324] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 103.842111][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.842433][ T1324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 103.842742][ T1324] ? __create_object (mm/kmemleak.c:771) 
[ 103.843048][ T1324] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 103.843362][ T1324] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 103.843675][ T1324] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 103.844053][ T1324] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 103.844372][ T1324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 103.844679][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 103.844992][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.845313][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.845618][ T1324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 103.845919][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 103.846223][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 103.846547][ T1324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 103.846853][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 103.847171][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.847494][ T1324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 103.847802][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 103.848105][ T1324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 103.848427][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 103.848730][ T1324] ? 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) 
[ 103.849035][ T1324] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 103.849367][ T1324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 103.849689][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.849999][ T1324] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 103.850327][ T1324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 103.850640][ T1324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 103.850951][ T1324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 103.851294][ T1324] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 103.851599][ T1324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 103.851994][ T1324] ___sys_sendmsg (net/socket.c:2670) 
[ 103.852306][ T1324] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 103.852613][ T1324] ? __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) 
[ 103.852991][ T1324] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 103.853308][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.853617][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.853964][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.854387][ T1324] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 103.854712][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 103.855025][ T1324] __sys_sendmsg (net/socket.c:2700) 
[ 103.855337][ T1324] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 103.855715][ T1324] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 103.856031][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.856347][ T1324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 103.856661][ T1324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  103.857047][ T1324] RIP: 0033:0x7f7fed46a1e7
[ 103.857377][ T1324] 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)
[  103.858482][ T1324] RSP: 002b:00007fff52083a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  103.858949][ T1324] RAX: ffffffffffffffda RBX: 00007fff52084150 RCX: 00007f7fed46a1e7
[  103.859420][ T1324] RDX: 0000000000000000 RSI: 00007fff52083a90 RDI: 0000000000000005
[  103.859878][ T1324] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  103.860346][ T1324] R10: 0000000039691910 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if