======================================
| [   18.879457][  T306] veth1: entered promiscuous mode
| [   18.881611][  T306] ------------[ cut here ]------------
| [ 18.881958][ T306] WARNING: CPU: 2 PID: 306 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) 
| [   18.882601][  T306] Modules linked in: bridge stp llc sch_ingress vrf veth
[   18.884090][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.884483][ T306] 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) 
[ 18.884810][ T306] 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
[   18.885945][  T306] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[   18.886352][  T306] RAX: 0000000000000000 RBX: ffff88800d92a000 RCX: 0000000000000001
[   18.886922][  T306] RDX: 0000000000000000 RSI: ffffffffafe9b939 RDI: ffffffffaf6555e0
[   18.887408][  T306] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   18.887873][  T306] R10: ffffc900005c7010 R11: ffffffffb0ca8918 R12: 1ffff920000b8de2
[   18.888348][  T306] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff88800d92af08
[   18.888815][  T306] FS:  00007fc207082800(0000) GS:ffff8880843b7000(0000) knlGS:0000000000000000
[   18.889371][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.889767][  T306] CR2: 00000000004e5aa8 CR3: 0000000005116005 CR4: 0000000000772ef0
[   18.890246][  T306] PKRU: 55555554
[   18.890490][  T306] Call Trace:
[   18.890731][  T306]  <TASK>
[ 18.890906][ T306] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.891235][ T306] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.891563][ T306] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 18.891877][ T306] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 18.892278][ T306] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 18.892596][ T306] netif_set_mtu (net/core/dev.c:9652) 
[ 18.892916][ T306] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 18.893266][ T306] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 18.893706][ T306] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 18.893954][ T306] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 18.894393][ T306] br_add_if (net/bridge/br_if.c:697) bridge 
[ 18.894757][ T306] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 18.895086][ T306] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 18.895407][ T306] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.895816][ T306] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.896143][ T306] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.896465][ T306] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.896785][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.897114][ T306] ? __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) 
[ 18.897429][ T306] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.897817][ T306] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.898141][ T306] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.898457][ T306] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.898782][ T306] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.899107][ T306] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.899422][ T306] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.899734][ T306] ? __create_object (mm/kmemleak.c:771) 
[ 18.900062][ T306] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.900378][ T306] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.900702][ T306] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.901105][ T306] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.901429][ T306] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.901749][ T306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.902071][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.902393][ T306] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.902708][ T306] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.903017][ T306] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.903342][ T306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.903660][ T306] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.903978][ T306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.904304][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.904626][ T306] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.904939][ T306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.905266][ T306] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.905593][ T306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.905927][ T306] ? 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) 
[ 18.906253][ T306] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 18.906574][ T306] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.906888][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.907217][ T306] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.907536][ T306] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.907851][ T306] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.908184][ T306] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.908507][ T306] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.908822][ T306] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.909232][ T306] ___sys_sendmsg (net/socket.c:2670) 
[ 18.909545][ T306] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.909859][ T306] ? __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) 
[ 18.910258][ T306] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.910581][ T306] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.910900][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.911229][ T306] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.911544][ T306] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.911857][ T306] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.912189][ T306] __sys_sendmsg (net/socket.c:2700) 
[ 18.912502][ T306] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.912892][ T306] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.913233][ T306] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.913551][ T306] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.913867][ T306] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.914264][  T306] RIP: 0033:0x7fc20724f1e7
[ 18.914593][ T306] 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)
[   18.915725][  T306] RSP: 002b:00007ffe4e4bd2b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.916224][  T306] RAX: ffffffffffffffda RBX: 00007ffe4e4bd9e0 RCX: 00007fc20724f1e7
[   18.916696][  T306] RDX: 0000000000000000 RSI: 00007ffe4e4bd320 RDI: 0000000000000005
[   18.917174][  T306] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   18.917647][  T306] R10: 000000002cd0c910 R11: 0000000000000246 R12: 0000000000000004
[   18.918126][  T306] R13: 00000000686e6e9e R14: 0000000000499600 R15: 0000000000000000
| [   19.150869][  T309] ------------[ cut here ]------------
| [ 19.151240][ T309] WARNING: CPU: 2 PID: 309 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) 
| [   19.151890][  T309] Modules linked in: bridge stp llc sch_ingress vrf veth
| [   19.152989][  T309] Tainted: [W]=WARN
[   19.153257][  T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.153669][ T309] 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) 
[ 19.154012][ T309] 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
[   19.155170][  T309] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   19.155585][  T309] RAX: 0000000000000000 RBX: ffff88800d92a000 RCX: 0000000000000001
[   19.156121][  T309] RDX: 0000000000000000 RSI: ffffffffafe9b939 RDI: ffffffffaf6555e0
[   19.156615][  T309] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.157104][  T309] R10: ffffc900005e7010 R11: ffffffffb0ca8918 R12: 1ffff920000bcde2
[   19.157572][  T309] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff88800d92af08
[   19.158050][  T309] FS:  00007fd9ddcef800(0000) GS:ffff8880843b7000(0000) knlGS:0000000000000000
[   19.158598][  T309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.158995][  T309] CR2: 00000000004e5ab0 CR3: 00000000096af002 CR4: 0000000000772ef0
[   19.159480][  T309] PKRU: 55555554
[   19.159727][  T309] Call Trace:
[   19.159974][  T309]  <TASK>
[ 19.160159][ T309] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.160484][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.160806][ T309] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.161136][ T309] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.161533][ T309] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.161857][ T309] netif_set_mtu (net/core/dev.c:9652) 
[ 19.162186][ T309] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.162517][ T309] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.162958][ T309] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.163219][ T309] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.163678][ T309] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.164074][ T309] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 19.164406][ T309] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.164734][ T309] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.165152][ T309] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.165477][ T309] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.165798][ T309] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.166141][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.166468][ T309] ? __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) 
[ 19.166792][ T309] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.167197][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.167520][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.167834][ T309] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.168160][ T309] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.168484][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.168803][ T309] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.169128][ T309] ? __create_object (mm/kmemleak.c:771) 
[ 19.169448][ T309] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.169767][ T309] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.170096][ T309] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.170485][ T309] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.170806][ T309] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.171172][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.171491][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.171812][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.172146][ T309] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.172463][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.172782][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.173111][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.173430][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.173754][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.174085][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.174404][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.174721][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.175062][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.175381][ T309] ? 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) 
[ 19.175708][ T309] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.176049][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.176368][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.176711][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.177045][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.177364][ T309] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.177689][ T309] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.178010][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.178344][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.178745][ T309] ___sys_sendmsg (net/socket.c:2670) 
[ 19.179075][ T309] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.179406][ T309] ? __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) 
[ 19.179801][ T309] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.180132][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.180453][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.180778][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.181105][ T309] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.181418][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.181743][ T309] __sys_sendmsg (net/socket.c:2700) 
[ 19.182066][ T309] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.182461][ T309] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.182790][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.183130][ T309] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.183447][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.183839][  T309] RIP: 0033:0x7fd9ddebc1e7
[ 19.184176][ T309] 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)
[   19.185306][  T309] RSP: 002b:00007ffe5f3b2c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.185789][  T309] RAX: ffffffffffffffda RBX: 00007ffe5f3b3360 RCX: 00007fd9ddebc1e7
[   19.186279][  T309] RDX: 0000000000000000 RSI: 00007ffe5f3b2ca0 RDI: 0000000000000005
[   19.186760][  T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.187246][  T309] R10: 000000000abcd910 R11: 0000000000000246 R12: 0000000000000004
[   19.187723][  T309] R13: 00000000686e6e9e R14: 0000000000499600 R15: 0000000000000000
| [  160.328960][ T1707] ------------[ cut here ]------------
| [ 160.329293][ T1707] WARNING: CPU: 0 PID: 1707 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) 
| [  160.329922][ T1707] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [  160.331141][ T1707] Tainted: [W]=WARN
[  160.331379][ T1707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.331774][ T1707] 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) 
[ 160.332564][ T1707] 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
[  160.333676][ T1707] RSP: 0018:ffffc90002ca6f70 EFLAGS: 00010246
[  160.334072][ T1707] RAX: 0000000000000000 RBX: ffff88800d92a000 RCX: 0000000000000001
[  160.334551][ T1707] RDX: 0000000000000000 RSI: ffffffffafe9b939 RDI: ffffffffaf6555e0
[  160.335069][ T1707] RBP: ffffc90002ca7058 R08: 0000000000000000 R09: 0000000000000000
[  160.335554][ T1707] R10: ffffc90002ca7088 R11: ffffffffac200130 R12: 1ffff92000594df2
[  160.336064][ T1707] R13: 00000000000005dc R14: ffffc90002ca7088 R15: ffff88800d92af08
[  160.336588][ T1707] FS:  00007f76ee994800(0000) GS:ffff8880842b7000(0000) knlGS:0000000000000000
[  160.337173][ T1707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.337559][ T1707] CR2: 00000000004e5ab0 CR3: 000000000bc69001 CR4: 0000000000772ef0
[  160.338016][ T1707] PKRU: 55555554
[  160.338264][ T1707] Call Trace:
[  160.338503][ T1707]  <TASK>
[ 160.338657][ T1707] ? __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) 
[ 160.339077][ T1707] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 160.339448][ T1707] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 160.339758][ T1707] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 160.340071][ T1707] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.340374][ T1707] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.340679][ T1707] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.340980][ T1707] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.341294][ T1707] ? ___sys_sendmsg (net/socket.c:2670) 
[ 160.341609][ T1707] ? __sys_sendmsg (net/socket.c:2700) 
[ 160.341910][ T1707] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.342220][ T1707] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 160.342597][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.342913][ T1707] netif_set_mtu (net/core/dev.c:9652) 
[ 160.343243][ T1707] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.343564][ T1707] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.343802][ T1707] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.344234][ T1707] br_del_if (net/bridge/br_if.c:743) bridge 
[ 160.344574][ T1707] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 160.344880][ T1707] do_set_master (net/core/rtnetlink.c:2932) 
[ 160.345197][ T1707] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 160.345507][ T1707] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 160.345894][ T1707] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 160.346225][ T1707] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 160.346531][ T1707] ? __kernel_text_address (kernel/extable.c:79) 
[ 160.346842][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.347169][ T1707] ? __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) 
[ 160.347472][ T1707] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 160.347848][ T1707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.348165][ T1707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.348469][ T1707] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 160.348778][ T1707] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 160.349094][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.349398][ T1707] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.349700][ T1707] ? __create_object (mm/kmemleak.c:771) 
[ 160.350011][ T1707] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 160.350329][ T1707] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 160.350635][ T1707] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 160.351021][ T1707] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 160.351353][ T1707] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.351664][ T1707] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.351966][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.352292][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.352596][ T1707] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.352896][ T1707] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.353214][ T1707] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.353524][ T1707] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.353829][ T1707] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.354147][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.354456][ T1707] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.354758][ T1707] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.355078][ T1707] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.355397][ T1707] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.355702][ T1707] ? 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) 
[ 160.356014][ T1707] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.356343][ T1707] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.356650][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.356959][ T1707] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.357276][ T1707] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.357582][ T1707] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.357899][ T1707] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.358214][ T1707] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.358519][ T1707] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.358907][ T1707] ___sys_sendmsg (net/socket.c:2670) 
[ 160.359225][ T1707] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 160.359531][ T1707] ? __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) 
[ 160.359908][ T1707] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.360225][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.360532][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.360840][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.361152][ T1707] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 160.361458][ T1707] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.361768][ T1707] __sys_sendmsg (net/socket.c:2700) 
[ 160.362077][ T1707] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 160.362457][ T1707] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.362777][ T1707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.363103][ T1707] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.363411][ T1707] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.363785][ T1707] RIP: 0033:0x7f76eeb611e7
[ 160.364107][ T1707] 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)
[  160.365195][ T1707] RSP: 002b:00007ffe34748678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.365652][ T1707] RAX: ffffffffffffffda RBX: 00007ffe34748da0 RCX: 00007f76eeb611e7
[  160.366126][ T1707] RDX: 0000000000000000 RSI: 00007ffe347486e0 RDI: 0000000000000005
[  160.366582][ T1707] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  160.367065][ T1707] R10: 00007f76eea5eee8 R11: 0000000000000246 R12: 0000000000000003
[  160.367520][ T1707] R13: 00000000686e6f2c R14: 0000000000499600 R15: 0000000000000000
| [  160.589020][ T1709] ------------[ cut here ]------------
| [ 160.589350][ T1709] WARNING: CPU: 0 PID: 1709 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) 
| [  160.589962][ T1709] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [  160.591147][ T1709] Tainted: [W]=WARN
[  160.591379][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.591758][ T1709] 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) 
[ 160.592087][ T1709] 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
[  160.593178][ T1709] RSP: 0018:ffffc90002cb6f70 EFLAGS: 00010246
[  160.593561][ T1709] RAX: 0000000000000000 RBX: ffff88800d92a000 RCX: 0000000000000001
[  160.594022][ T1709] RDX: 0000000000000000 RSI: ffffffffafe9b939 RDI: ffffffffaf6555e0
[  160.594705][ T1709] RBP: ffffc90002cb7058 R08: 0000000000000000 R09: 0000000000000000
[  160.595371][ T1709] R10: ffffc90002cb7088 R11: ffffffffb0379160 R12: 1ffff92000596df2
[  160.595829][ T1709] R13: 00000000000005dc R14: ffffc90002cb7088 R15: ffff88800d92af08
[  160.596477][ T1709] FS:  00007f5bb0f7c800(0000) GS:ffff8880842b7000(0000) knlGS:0000000000000000
[  160.597014][ T1709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.597551][ T1709] CR2: 00000000004e5aa8 CR3: 000000000f186004 CR4: 0000000000772ef0
[  160.598012][ T1709] PKRU: 55555554
[  160.598388][ T1709] Call Trace:
[  160.598619][ T1709]  <TASK>
[ 160.598773][ T1709] ? __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) 
[ 160.599313][ T1709] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 160.599662][ T1709] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 160.599967][ T1709] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 160.600435][ T1709] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.600740][ T1709] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.601054][ T1709] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.601359][ T1709] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.601668][ T1709] ? ___sys_sendmsg (net/socket.c:2670) 
[ 160.601990][ T1709] ? __sys_sendmsg (net/socket.c:2700) 
[ 160.602309][ T1709] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.602613][ T1709] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 160.602991][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.603323][ T1709] netif_set_mtu (net/core/dev.c:9652) 
[ 160.603629][ T1709] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.603953][ T1709] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.604195][ T1709] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.604618][ T1709] br_del_if (net/bridge/br_if.c:743) bridge 
[ 160.604960][ T1709] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 160.605273][ T1709] do_set_master (net/core/rtnetlink.c:2932) 
[ 160.605584][ T1709] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 160.605893][ T1709] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 160.606299][ T1709] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 160.606611][ T1709] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 160.606915][ T1709] ? __kernel_text_address (kernel/extable.c:79) 
[ 160.607236][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.607549][ T1709] ? __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) 
[ 160.607854][ T1709] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 160.608243][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.608552][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.608858][ T1709] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 160.609171][ T1709] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 160.609480][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.609787][ T1709] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.610103][ T1709] ? __create_object (mm/kmemleak.c:771) 
[ 160.610417][ T1709] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 160.610727][ T1709] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 160.611046][ T1709] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 160.611427][ T1709] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 160.611739][ T1709] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.612059][ T1709] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.612362][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.612675][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.612983][ T1709] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.613310][ T1709] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.613627][ T1709] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.613931][ T1709] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.614248][ T1709] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.614558][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.614867][ T1709] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.615180][ T1709] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.615487][ T1709] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.615814][ T1709] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.616137][ T1709] ? 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) 
[ 160.616443][ T1709] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.616751][ T1709] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.617065][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.617380][ T1709] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.617692][ T1709] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.618006][ T1709] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.618334][ T1709] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.618643][ T1709] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.618945][ T1709] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.619346][ T1709] ___sys_sendmsg (net/socket.c:2670) 
[ 160.619648][ T1709] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 160.619950][ T1709] ? __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) 
[ 160.620343][ T1709] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.620649][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.620956][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.621278][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.621584][ T1709] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 160.621887][ T1709] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.622209][ T1709] __sys_sendmsg (net/socket.c:2700) 
[ 160.622514][ T1709] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 160.622898][ T1709] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.623225][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.623535][ T1709] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.623843][ T1709] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.624229][ T1709] RIP: 0033:0x7f5bb11491e7
[ 160.624545][ T1709] 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)
[  160.625635][ T1709] RSP: 002b:00007fffb2a77348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.626114][ T1709] RAX: ffffffffffffffda RBX: 00007fffb2a77a70 RCX: 00007f5bb11491e7
[  160.626569][ T1709] RDX: 0000000000000000 RSI: 00007fffb2a773b0 RDI: 0000000000000005
[  160.627024][ T1709] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  160.627493][ T1709] R10: 00007f5bb1046ee8 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