======================================
| [   21.465192][  T330] veth1: entered promiscuous mode
| [   21.467061][  T330] ------------[ cut here ]------------
| [ 21.467384][ T330] WARNING: CPU: 1 PID: 330 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.468030][  T330] Modules linked in: bridge stp llc 8021q vrf veth
[   21.469135][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.469549][ T330] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.469872][ T330] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.470977][  T330] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   21.471373][  T330] RAX: 0000000000000000 RBX: ffff888004be2000 RCX: 0000000000000001
[   21.471844][  T330] RDX: 0000000000000000 RSI: ffffffffac29b941 RDI: ffffffffaba555e0
[   21.472304][  T330] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.472774][  T330] R10: ffffc900005d7010 R11: ffffffffad0a8918 R12: 1ffff920000bade2
[   21.473240][  T330] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff888004be2f08
[   21.473769][  T330] FS:  00007f7ab97a7800(0000) GS:ffff888087f37000(0000) knlGS:0000000000000000
[   21.474304][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.475007][  T330] CR2: 00000000004e6890 CR3: 000000000e818002 CR4: 0000000000772ef0
[   21.475482][  T330] PKRU: 55555554
[   21.475726][  T330] Call Trace:
[   21.475957][  T330]  <TASK>
[ 21.476130][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.476439][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.476760][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.477065][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.477479][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.477799][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 21.478114][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.478429][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.478866][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.479098][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.479540][ T330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.479893][ T330] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.480203][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.480509][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.480904][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.481207][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.481507][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.481831][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.482137][ T330] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.482442][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.482826][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.483132][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.483433][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.483761][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.484076][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.484381][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.484693][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 21.485002][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.485309][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.485634][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.486011][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.486321][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.486643][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.486947][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.487258][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.487580][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.487883][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.488191][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.488500][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.488823][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.489137][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.489447][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.489762][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.490069][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.490383][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.490696][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.491006][ T330] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.491314][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.491636][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.491949][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.492256][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.492569][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.492881][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.493188][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.493496][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.493898][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 21.494200][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.494503][ T330] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.494894][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.495202][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.495551][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.495869][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.496179][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.496486][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.496811][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 21.497116][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.497493][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.497817][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.498130][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.498433][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.498820][  T330] RIP: 0033:0x7f7ab99741e7
[ 21.499143][ T330] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.500277][  T330] RSP: 002b:00007fffbffb99d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.500754][  T330] RAX: ffffffffffffffda RBX: 00007fffbffba100 RCX: 00007f7ab99741e7
[   21.501216][  T330] RDX: 0000000000000000 RSI: 00007fffbffb9a40 RDI: 0000000000000005
[   21.501687][  T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.502154][  T330] R10: 0000000002082910 R11: 0000000000000246 R12: 0000000000000004
[   21.502623][  T330] R13: 00000000686e2120 R14: 0000000000499600 R15: 0000000000000000
| [   22.647331][  T343] ------------[ cut here ]------------
| [ 22.647686][ T343] WARNING: CPU: 2 PID: 343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.648304][  T343] Modules linked in: bridge stp llc 8021q vrf veth
| [   22.649356][  T343] Tainted: [W]=WARN
[   22.649621][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.650021][ T343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.650349][ T343] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.652530][  T343] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[   22.652974][  T343] RAX: 0000000000000000 RBX: ffff88800bd52000 RCX: 0000000000000001
[   22.653443][  T343] RDX: 0000000000000000 RSI: ffffffffac29b941 RDI: ffffffffaba555e0
[   22.653930][  T343] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.654396][  T343] R10: ffffc900005c7010 R11: ffffffffad0a8918 R12: 1ffff920000b8de2
[   22.654880][  T343] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff88800bd52f08
[   22.655363][  T343] FS:  00007f55fe42c800(0000) GS:ffff888087fb7000(0000) knlGS:0000000000000000
[   22.655921][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.656316][  T343] CR2: 00000000004e6898 CR3: 000000000ee61001 CR4: 0000000000772ef0
[   22.656800][  T343] PKRU: 55555554
[   22.657039][  T343] Call Trace:
[   22.657282][  T343]  <TASK>
[ 22.657453][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.657793][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.658120][ T343] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.658440][ T343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.658842][ T343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.659208][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 22.659625][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.660096][ T343] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.660567][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.660822][ T343] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.661260][ T343] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.661660][ T343] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.661990][ T343] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.662316][ T343] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.662754][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.663077][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.663395][ T343] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.663750][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.664080][ T343] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.664403][ T343] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.664816][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.665137][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.665479][ T343] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.665815][ T343] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.666136][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.666473][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.666812][ T343] ? __create_object (mm/kmemleak.c:771) 
[ 22.667134][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.667477][ T343] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.667985][ T343] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.668375][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.668719][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.669041][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.669363][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.669711][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.670031][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.670343][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.670695][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.671009][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.671325][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.671667][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.671997][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.672317][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.672661][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.672990][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.673304][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.673642][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.673964][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.674282][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.674639][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.674962][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.675278][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.675769][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.676097][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.676415][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.676846][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 22.677162][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.677477][ T343] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.677880][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.678204][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.678535][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.678859][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.679182][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.679498][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.679835][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 22.680149][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.680554][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.680884][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.681205][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.681538][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.681950][  T343] RIP: 0033:0x7f55fe5f91e7
[ 22.682277][ T343] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.683374][  T343] RSP: 002b:00007ffd78d6b3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.683864][  T343] RAX: ffffffffffffffda RBX: 00007ffd78d6bb00 RCX: 00007f55fe5f91e7
[   22.684338][  T343] RDX: 0000000000000000 RSI: 00007ffd78d6b440 RDI: 0000000000000005
[   22.684820][  T343] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.685291][  T343] R10: 000000002a056910 R11: 0000000000000246 R12: 0000000000000004
[   22.685787][  T343] R13: 00000000686e2121 R14: 0000000000499600 R15: 0000000000000000
| [   35.441292][  T409] ------------[ cut here ]------------
| [ 35.441674][ T409] WARNING: CPU: 2 PID: 409 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.442291][  T409] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.443543][  T409] Tainted: [W]=WARN
[   35.443790][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.444185][ T409] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.444526][ T409] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.446748][  T409] RSP: 0018:ffffc90000896f70 EFLAGS: 00010246
[   35.447152][  T409] RAX: 0000000000000000 RBX: ffff888004be2000 RCX: 0000000000000001
[   35.447631][  T409] RDX: 0000000000000000 RSI: ffffffffac29b941 RDI: ffffffffaba555e0
[   35.448099][  T409] RBP: ffffc90000897058 R08: 0000000000000000 R09: 0000000000000000
[   35.448577][  T409] R10: ffffc90000897088 R11: ffffffffa8600130 R12: 1ffff92000112df2
[   35.449048][  T409] R13: 00000000000005dc R14: ffffc90000897088 R15: ffff888004be2f08
[   35.449524][  T409] FS:  00007f9c4b1ca800(0000) GS:ffff888087fb7000(0000) knlGS:0000000000000000
[   35.450075][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.450471][  T409] CR2: 00000000004e7398 CR3: 000000000ea5e005 CR4: 0000000000772ef0
[   35.450951][  T409] PKRU: 55555554
[   35.451195][  T409] Call Trace:
[   35.451437][  T409]  <TASK>
[ 35.451618][ T409] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.452018][ T409] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.452381][ T409] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.452718][ T409] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.453035][ T409] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.453353][ T409] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.453682][ T409] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.454001][ T409] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.454317][ T409] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.454649][ T409] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.454967][ T409] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.455286][ T409] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.455701][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.456030][ T409] netif_set_mtu (net/core/dev.c:9652) 
[ 35.456350][ T409] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.456700][ T409] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.456945][ T409] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.457386][ T409] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.457752][ T409] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.458073][ T409] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.458394][ T409] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.458729][ T409] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.459129][ T409] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.459447][ T409] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.459778][ T409] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.460107][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.460426][ T409] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.460761][ T409] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.461152][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.461475][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.461801][ T409] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.462119][ T409] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.462440][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.462776][ T409] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.463094][ T409] ? __create_object (mm/kmemleak.c:771) 
[ 35.463418][ T409] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.463751][ T409] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.464073][ T409] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.464468][ T409] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.464807][ T409] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.465132][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.465460][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.465798][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.466119][ T409] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.466439][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.466766][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.467084][ T409] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.467404][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.467735][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.468056][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.468375][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.468700][ T409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.469029][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.469346][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.469678][ T409] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.469997][ T409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.470312][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.470638][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.470959][ T409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.471275][ T409] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.471609][ T409] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.471929][ T409] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.472248][ T409] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.472661][ T409] ___sys_sendmsg (net/socket.c:2670) 
[ 35.472979][ T409] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.473292][ T409] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.473692][ T409] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.474012][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.474334][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.474661][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.474979][ T409] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.475296][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.475650][ T409] __sys_sendmsg (net/socket.c:2700) 
[ 35.475966][ T409] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.476359][ T409] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.476697][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.477026][ T409] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.477344][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.477744][  T409] RIP: 0033:0x7f9c4b3971e7
[ 35.478073][ T409] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.479180][  T409] RSP: 002b:00007ffea9de70f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.479661][  T409] RAX: ffffffffffffffda RBX: 00007ffea9de7820 RCX: 00007f9c4b3971e7
[   35.480129][  T409] RDX: 0000000000000000 RSI: 00007ffea9de7160 RDI: 0000000000000005
[   35.480602][  T409] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.481075][  T409] R10: 00007f9c4b294ee8 R11: 0000000000000246 R12: 0000000000000003
[   35.481549][  T409] R13: 00000000686e212e R14: 0000000000499600 R15: 0000000000000000
| [   35.604013][  T410] ------------[ cut here ]------------
| [ 35.604337][ T410] WARNING: CPU: 0 PID: 410 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.604981][  T410] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.606042][  T410] Tainted: [W]=WARN
[   35.606272][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.607129][ T410] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.607449][ T410] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.608547][  T410] RSP: 0018:ffffc90000896f70 EFLAGS: 00010246
[   35.608934][  T410] RAX: 0000000000000000 RBX: ffff88800bd52000 RCX: 0000000000000001
[   35.609388][  T410] RDX: 0000000000000000 RSI: ffffffffac29b941 RDI: ffffffffaba555e0
[   35.609867][  T410] RBP: ffffc90000897058 R08: 0000000000000000 R09: 0000000000000000
[   35.610323][  T410] R10: ffffc90000897088 R11: ffffffffac779160 R12: 1ffff92000112df2
[   35.610826][  T410] R13: 00000000000005dc R14: ffffc90000897088 R15: ffff88800bd52f08
[   35.611281][  T410] FS:  00007fecf10e6800(0000) GS:ffff888087eb7000(0000) knlGS:0000000000000000
[   35.611827][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.612210][  T410] CR2: 00000000004e73a8 CR3: 000000000ea75001 CR4: 0000000000772ef0
[   35.612674][  T410] PKRU: 55555554
[   35.612906][  T410] Call Trace:
[   35.613133][  T410]  <TASK>
[ 35.613286][ T410] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.613696][ T410] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.614048][ T410] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.614387][ T410] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.614725][ T410] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.615031][ T410] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.615338][ T410] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.615663][ T410] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.615973][ T410] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.616280][ T410] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.616589][ T410] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.616894][ T410] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.617269][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.617594][ T410] netif_set_mtu (net/core/dev.c:9652) 
[ 35.617904][ T410] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.618225][ T410] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.618457][ T410] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.618904][ T410] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.619252][ T410] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.619567][ T410] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.619875][ T410] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.620185][ T410] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.620587][ T410] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.620894][ T410] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.621203][ T410] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.621527][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.621863][ T410] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.622168][ T410] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.622571][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.622878][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.623180][ T410] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.623489][ T410] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.623851][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.624158][ T410] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.624458][ T410] ? __create_object (mm/kmemleak.c:771) 
[ 35.624820][ T410] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.625135][ T410] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.625456][ T410] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.625842][ T410] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.626162][ T410] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.626469][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.626823][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.627141][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.627445][ T410] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.627755][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.628061][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.628363][ T410] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.628685][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.628992][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.629307][ T410] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.629618][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.629924][ T410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.630236][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.630555][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.630865][ T410] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.631172][ T410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.631476][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.631795][ T410] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.632104][ T410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.632430][ T410] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.632754][ T410] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.633071][ T410] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.633374][ T410] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.633776][ T410] ___sys_sendmsg (net/socket.c:2670) 
[ 35.634082][ T410] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.634390][ T410] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.634798][ T410] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.635105][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.635423][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.635744][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.636075][ T410] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.636378][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.636699][ T410] __sys_sendmsg (net/socket.c:2700) 
[ 35.637006][ T410] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.637390][ T410] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.637716][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.638026][ T410] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.638335][ T410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.638734][  T410] RIP: 0033:0x7fecf12b31e7
[ 35.639051][ T410] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.640154][  T410] RSP: 002b:00007ffc388da678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.640624][  T410] RAX: ffffffffffffffda RBX: 00007ffc388dada0 RCX: 00007fecf12b31e7
[   35.641082][  T410] RDX: 0000000000000000 RSI: 00007ffc388da6e0 RDI: 0000000000000005
[   35.641555][  T410] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.642026][  T410] R10: 00007fecf11b0ee8 R11: 0000000000000246 R12: 0000000000000003
[   35.642488][  T410] R13: 00000000686e212e R14: 0000000000499600 R15: 0000000000000000
| [   37.851506][  T412] ------------[ cut here ]------------
| [ 37.851876][ T412] WARNING: CPU: 2 PID: 412 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) 
| [   37.852498][  T412] Modules linked in: bridge stp llc 8021q vrf veth
| [   37.854147][  T412] Tainted: [W]=WARN
[   37.854396][  T412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.854798][ T412] 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) 
[ 37.855126][ T412] 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
[   37.856252][  T412] RSP: 0018:ffffc900008b6ef0 EFLAGS: 00010246
[   37.856668][  T412] RAX: 0000000000000000 RBX: ffff88800bd52000 RCX: 0000000000000001
[   37.857136][  T412] RDX: 0000000000000000 RSI: ffffffffac29b941 RDI: ffffffffaba555e0
[   37.857609][  T412] RBP: ffffc900008b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   37.858076][  T412] R10: ffffc900008b7010 R11: ffffffffad0a8918 R12: 1ffff92000116de2
[   37.858556][  T412] R13: 00000000000005dc R14: ffffc900008b7010 R15: ffff88800bd52f08
[   37.859058][  T412] FS:  00007f69327d4800(0000) GS:ffff888087fb7000(0000) knlGS:0000000000000000
[   37.859624][  T412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.860026][  T412] CR2: 00000000004e6898 CR3: 000000000ea70002 CR4: 0000000000772ef0
[   37.860508][  T412] PKRU: 55555554
[   37.860764][  T412] Call Trace:
[   37.861008][  T412]  <TASK>
[ 37.861179][ T412] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.861502][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.861837][ T412] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 37.862156][ T412] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 37.862557][ T412] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 37.862882][ T412] netif_set_mtu (net/core/dev.c:9652) 
[ 37.863207][ T412] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.863569][ T412] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 37.864041][ T412] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.864296][ T412] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.864755][ T412] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.865138][ T412] do_set_master (net/core/rtnetlink.c:2948) 
[ 37.865501][ T412] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.865857][ T412] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.866325][ T412] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.866672][ T412] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.867031][ T412] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.867394][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.867747][ T412] ? __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) 
[ 37.868076][ T412] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.868466][ T412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.868797][ T412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.869125][ T412] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.869443][ T412] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.869768][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.870093][ T412] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.870405][ T412] ? __create_object (mm/kmemleak.c:771) 
[ 37.870739][ T412] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.871061][ T412] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.871378][ T412] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.871797][ T412] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.872129][ T412] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.872455][ T412] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.872783][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.873118][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.873463][ T412] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.873804][ T412] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.874125][ T412] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.874439][ T412] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.874769][ T412] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.875088][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.875416][ T412] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.875751][ T412] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.876070][ T412] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.876396][ T412] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.876739][ T412] ? 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) 
[ 37.877063][ T412] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.877382][ T412] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.877705][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.878032][ T412] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.878353][ T412] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.878686][ T412] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.879026][ T412] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.879357][ T412] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.879687][ T412] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.880109][ T412] ___sys_sendmsg (net/socket.c:2670) 
[ 37.880434][ T412] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.880762][ T412] ? __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) 
[ 37.881163][ T412] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.881490][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.881821][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.882149][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.882466][ T412] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.882798][ T412] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.883123][ T412] __sys_sendmsg (net/socket.c:2700) 
[ 37.883435][ T412] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.883836][ T412] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.884171][ T412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.884493][ T412] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.884819][ T412] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.885217][  T412] RIP: 0033:0x7f69329a11e7
[ 37.885566][ T412] 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)
[   37.886669][  T412] RSP: 002b:00007ffe06e3a4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.887142][  T412] RAX: ffffffffffffffda RBX: 00007ffe06e3abf0 RCX: 00007f69329a11e7
[   37.887625][  T412] RDX: 0000000000000000 RSI: 00007ffe06e3a530 RDI: 0000000000000005
[   37.888098][  T412] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.888572][  T412] R10: 0000000035eac910 R11: 0000000000000246 R12: 0000000000000004
[   37.889043][  T412] R13: 00000000686e2130 R14: 0000000000499600 R15: 0000000000000000
| [   38.039565][  T413] ------------[ cut here ]------------
| [ 38.039875][ T413] WARNING: CPU: 0 PID: 413 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) 
| [   38.040483][  T413] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.041546][  T413] Tainted: [W]=WARN
[   38.041781][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.042170][ T413] 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) 
[ 38.042505][ T413] 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
[   38.043619][  T413] RSP: 0018:ffffc900008b6ef0 EFLAGS: 00010246
[   38.044045][  T413] RAX: 0000000000000000 RBX: ffff888004be2000 RCX: 0000000000000001
[   38.044506][  T413] RDX: 0000000000000000 RSI: ffffffffac29b941 RDI: ffffffffaba555e0
[   38.044976][  T413] RBP: ffffc900008b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.045477][  T413] R10: ffffc900008b7010 R11: ffffffffad0a8918 R12: 1ffff92000116de2
[   38.045946][  T413] R13: 00000000000005dc R14: ffffc900008b7010 R15: ffff888004be2f08
[   38.046432][  T413] FS:  00007ff1e08a3800(0000) GS:ffff888087eb7000(0000) knlGS:0000000000000000
[   38.046974][  T413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.047357][  T413] CR2: 00000000004e6890 CR3: 000000000ea39006 CR4: 0000000000772ef0
[   38.047860][  T413] PKRU: 55555554
[   38.048099][  T413] Call Trace:
[   38.048325][  T413]  <TASK>
[ 38.048490][ T413] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.048812][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.049127][ T413] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.049433][ T413] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.049826][ T413] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.050143][ T413] netif_set_mtu (net/core/dev.c:9652) 
[ 38.050450][ T413] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.050802][ T413] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.051231][ T413] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.051461][ T413] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.051902][ T413] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.052797][ T413] do_set_master (net/core/rtnetlink.c:2948) 
[ 38.053128][ T413] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.053485][ T413] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.053903][ T413] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.054220][ T413] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.054664][ T413] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.054975][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.055281][ T413] ? __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) 
[ 38.055672][ T413] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.056052][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.056363][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.056678][ T413] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.056985][ T413] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.057287][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.057598][ T413] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.057903][ T413] ? __create_object (mm/kmemleak.c:771) 
[ 38.058211][ T413] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.058527][ T413] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.058842][ T413] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.059219][ T413] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.059551][ T413] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.059863][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.060167][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.060475][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.060812][ T413] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.061123][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.061430][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.061742][ T413] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.062047][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.062357][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.062671][ T413] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.062979][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.063283][ T413] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.063626][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.063928][ T413] ? 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) 
[ 38.064237][ T413] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.064554][ T413] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.064857][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.065168][ T413] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.065490][ T413] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.065813][ T413] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.066128][ T413] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.066440][ T413] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.066756][ T413] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.067148][ T413] ___sys_sendmsg (net/socket.c:2670) 
[ 38.067449][ T413] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.067775][ T413] ? __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) 
[ 38.068163][ T413] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.068471][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.068790][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.069102][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.069406][ T413] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.069751][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.070068][ T413] __sys_sendmsg (net/socket.c:2700) 
[ 38.070379][ T413] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.070767][ T413] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.071112][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.071420][ T413] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.071750][ T413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.072130][  T413] RIP: 0033:0x7ff1e0a701e7
[ 38.072447][ T413] 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)
[   38.073558][  T413] RSP: 002b:00007ffd0a91e508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.074021][  T413] RAX: ffffffffffffffda RBX: 00007ffd0a91ec30 RCX: 00007ff1e0a701e7
[   38.074479][  T413] RDX: 0000000000000000 RSI: 00007ffd0a91e570 RDI: 0000000000000005
[   38.074954][  T413] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.075459][  T413] R10: 000000000754b910 R11: 0000000000000246 R12: 0000000000000004
[   38.075943][  T413] R13: 00000000686e2130 R14: 0000000000499600 R15: 0000000000000000
| [   44.688088][  T466] ------------[ cut here ]------------
| [ 44.688405][ T466] WARNING: CPU: 3 PID: 466 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.689024][  T466] Modules linked in: bridge stp llc 8021q vrf veth
| [   44.690072][  T466] Tainted: [W]=WARN
[   44.690308][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.690698][ T466] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.691017][ T466] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.692115][  T466] RSP: 0018:ffffc90000bc6f70 EFLAGS: 00010246
[   44.692500][  T466] RAX: 0000000000000000 RBX: ffff88800bd52000 RCX: 0000000000000001
[   44.693284][  T466] RDX: 0000000000000000 RSI: ffffffffac29b941 RDI: ffffffffaba555e0
[   44.693752][  T466] RBP: ffffc90000bc7058 R08: 0000000000000000 R09: 0000000000000000
[   44.694209][  T466] R10: ffffc90000bc7088 R11: ffffffffac779160 R12: 1ffff92000178df2
[   44.694668][  T466] R13: 00000000000005dc R14: ffffc90000bc7088 R15: ffff88800bd52f08
[   44.695133][  T466] FS:  00007f4b0ed34800(0000) GS:ffff888088037000(0000) knlGS:0000000000000000
[   44.695691][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.696075][  T466] CR2: 00000000004e73a8 CR3: 000000000affc001 CR4: 0000000000772ef0
[   44.696547][  T466] PKRU: 55555554
[   44.696786][  T466] Call Trace:
[   44.697012][  T466]  <TASK>
[ 44.697168][ T466] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.697588][ T466] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 44.697936][ T466] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 44.698240][ T466] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.698560][ T466] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.698864][ T466] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.699169][ T466] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.699476][ T466] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.699793][ T466] ? ___sys_sendmsg (net/socket.c:2670) 
[ 44.700096][ T466] ? __sys_sendmsg (net/socket.c:2700) 
[ 44.700399][ T466] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.700708][ T466] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 44.701090][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.701402][ T466] netif_set_mtu (net/core/dev.c:9652) 
[ 44.701715][ T466] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.702035][ T466] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.702265][ T466] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 44.702690][ T466] br_del_if (net/bridge/br_if.c:743) bridge 
[ 44.703027][ T466] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 44.703338][ T466] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 44.703655][ T466] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.703964][ T466] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.704350][ T466] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.704658][ T466] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.704959][ T466] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.705268][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.705594][ T466] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.705900][ T466] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.706276][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.706591][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.706895][ T466] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.707198][ T466] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.707500][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.707855][ T466] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.708186][ T466] ? __create_object (mm/kmemleak.c:771) 
[ 44.708492][ T466] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.708809][ T466] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.709114][ T466] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.709494][ T466] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.709813][ T466] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.710123][ T466] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.710431][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.710748][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.711053][ T466] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.711354][ T466] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.711667][ T466] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.711970][ T466] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.712276][ T466] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.712590][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.712903][ T466] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.713207][ T466] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.713525][ T466] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.713842][ T466] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.714147][ T466] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.714452][ T466] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.714766][ T466] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.715072][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.715387][ T466] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.715704][ T466] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.716008][ T466] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.716317][ T466] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.716637][ T466] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.716940][ T466] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.717330][ T466] ___sys_sendmsg (net/socket.c:2670) 
[ 44.717638][ T466] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.717943][ T466] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.718320][ T466] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.718637][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.718944][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.719252][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.719568][ T466] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.719873][ T466] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.720184][ T466] __sys_sendmsg (net/socket.c:2700) 
[ 44.720485][ T466] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.720868][ T466] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.721186][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.721492][ T466] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.721807][ T466] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.722186][  T466] RIP: 0033:0x7f4b0ef011e7
[ 44.722501][ T466] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.723594][  T466] RSP: 002b:00007fffe3a2a4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.724058][  T466] RAX: ffffffffffffffda RBX: 00007fffe3a2abe0 RCX: 00007f4b0ef011e7
[   44.724524][  T466] RDX: 0000000000000000 RSI: 00007fffe3a2a520 RDI: 0000000000000005
[   44.724975][  T466] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   44.725435][  T466] R10: 00007f4b0edfeee8 R11: 0000000000000246 R12: 0000000000000003
[   44.725902][  T466] R13: 00000000686e2137 R14: 0000000000499600 R15: 0000000000000000
| [   45.418388][  T473] ------------[ cut here ]------------
| [ 45.418988][ T473] WARNING: CPU: 0 PID: 473 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   45.419606][  T473] Modules linked in: bridge stp llc 8021q vrf veth
| [   45.420641][  T473] Tainted: [W]=WARN
[   45.420873][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.421267][ T473] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 45.421621][ T473] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   45.422724][  T473] RSP: 0018:ffffc90000a36f70 EFLAGS: 00010246
[   45.423125][  T473] RAX: 0000000000000000 RBX: ffff888004be2000 RCX: 0000000000000001
[   45.423593][  T473] RDX: 0000000000000000 RSI: ffffffffac29b941 RDI: ffffffffaba555e0
[   45.424054][  T473] RBP: ffffc90000a37058 R08: 0000000000000000 R09: 0000000000000000
[   45.424528][  T473] R10: ffffc90000a37088 R11: ffffffffac779160 R12: 1ffff92000146df2
[   45.424998][  T473] R13: 00000000000005dc R14: ffffc90000a37088 R15: ffff888004be2f08
[   45.425502][  T473] FS:  00007fe78f201800(0000) GS:ffff888087eb7000(0000) knlGS:0000000000000000
[   45.426061][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.426449][  T473] CR2: 00000000004e7398 CR3: 0000000009267004 CR4: 0000000000772ef0
[   45.427005][  T473] PKRU: 55555554
[   45.427292][  T473] Call Trace:
[   45.427540][  T473]  <TASK>
[ 45.427699][ T473] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 45.428085][ T473] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 45.428461][ T473] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 45.428777][ T473] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.429079][ T473] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.429383][ T473] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 45.429703][ T473] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.430007][ T473] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.430315][ T473] ? ___sys_sendmsg (net/socket.c:2670) 
[ 45.430796][ T473] ? __sys_sendmsg (net/socket.c:2700) 
[ 45.431159][ T473] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.431527][ T473] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 45.431904][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.432248][ T473] netif_set_mtu (net/core/dev.c:9652) 
[ 45.432573][ T473] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.432893][ T473] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.433125][ T473] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 45.433647][ T473] br_del_if (net/bridge/br_if.c:743) bridge 
[ 45.434074][ T473] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 45.434436][ T473] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 45.434758][ T473] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.435114][ T473] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.435538][ T473] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.435846][ T473] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.436154][ T473] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.436463][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.436828][ T473] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 45.437137][ T473] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.437534][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.437846][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.438148][ T473] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.438455][ T473] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.438775][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.439083][ T473] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.439419][ T473] ? __create_object (mm/kmemleak.c:771) 
[ 45.439739][ T473] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.440057][ T473] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.440463][ T473] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.440852][ T473] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.441166][ T473] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.441475][ T473] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.441791][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.442104][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.442426][ T473] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.442754][ T473] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.443063][ T473] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.443365][ T473] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.443781][ T473] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.444179][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.444489][ T473] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.444813][ T473] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.445179][ T473] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.445571][ T473] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.445875][ T473] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 45.446295][ T473] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 45.446667][ T473] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.447000][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.447312][ T473] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.447636][ T473] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.447943][ T473] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.448293][ T473] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.448780][ T473] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.449096][ T473] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.449496][ T473] ___sys_sendmsg (net/socket.c:2670) 
[ 45.449853][ T473] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.450232][ T473] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 45.450624][ T473] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.450933][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.451239][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.451557][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.451890][ T473] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.452204][ T473] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.452537][ T473] __sys_sendmsg (net/socket.c:2700) 
[ 45.452844][ T473] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.453223][ T473] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.453560][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.453887][ T473] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.454191][ T473] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.454581][  T473] RIP: 0033:0x7fe78f3ce1e7
[ 45.454902][ T473] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   45.456058][  T473] RSP: 002b:00007fff0156eea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.456535][  T473] RAX: ffffffffffffffda RBX: 00007fff0156f5d0 RCX: 00007fe78f3ce1e7
[   45.457001][  T473] RDX: 0000000000000000 RSI: 00007fff0156ef10 RDI: 0000000000000005
[   45.457485][  T473] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   45.457956][  T473] R10: 00007fe78f2cbee8 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