======================================
| [    8.927601][  T182] ------------[ cut here ]------------
| [    8.927871][  T182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/182
| [    8.928116][  T182] Modules linked in: netconsole netdevsim
| [    8.928608][  T182] Tainted: [W]=WARN
[    8.928714][  T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.928900][  T182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.929073][  T182] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.929539][  T182] RSP: 0018:ffa0000000847aa8 EFLAGS: 00010286
[    8.929710][  T182] RAX: 00000000ffffffa6 RBX: ff1100000ac90ac0 RCX: 1ff4000000108f1b
[    8.929905][  T182] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ac90b70
[    8.930106][  T182] RBP: ff11000009cbc000 R08: 1fe220000159216f R09: ff1100000bae5180
[    8.930302][  T182] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.930500][  T182] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009cbc000
[    8.930702][  T182] FS:  00007f4ab5f1b840(0000) GS:ff1100007c305000(0000) knlGS:0000000000000000
[    8.930932][  T182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.931101][  T182] CR2: 0000000000479648 CR3: 0000000005e8c005 CR4: 0000000000771ef0
[    8.931298][  T182] PKRU: 55555554
[    8.931395][  T182] Call Trace:
[    8.931495][  T182]  <TASK>
[    8.931564][  T182]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[    8.931701][  T182]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.931832][  T182]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.931968][  T182]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.932074][  T182]  register_netdevice (net/core/dev.c:11488)
[    8.932209][  T182]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.932373][  T182]  register_netdev (net/core/dev.c:11552)
[    8.932502][  T182]  loopback_net_init (drivers/net/loopback.c:218)
[    8.932635][  T182]  ops_init (net/core/net_namespace.c:137)
[    8.932741][  T182]  setup_net (net/core/net_namespace.c:446)
[    8.932840][  T182]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.932969][  T182]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.933105][  T182]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.933237][  T182]  copy_net_ns (net/core/net_namespace.c:579)
[    8.933368][  T182]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.933500][  T182]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.933630][  T182]  ksys_unshare (kernel/fork.c:3243)
[    8.933764][  T182]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.933894][  T182]  ? __ia32_sys_open (fs/open.c:1374)
[    8.934031][  T182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.934163][  T182]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.934293][  T182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.934424][  T182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.934555][  T182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.934693][  T182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.934853][  T182] RIP: 0033:0x7f4ab61ddbcb
[    8.934991][  T182] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.935481][  T182] RSP: 002b:00007fff10993d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.935696][  T182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4ab61ddbcb
[    8.935897][  T182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.936106][  T182] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.936312][  T182] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff10995f40
[    8.936514][  T182] R13: 0000000000000001 R14: 00007f4ab5f1b6f8 R15: 00007fff1099780d
| [    8.966503][  T183] ------------[ cut here ]------------
| [    8.966721][  T183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/183
| [    8.967005][  T183] Modules linked in: netconsole netdevsim
| [    8.967521][  T183] Tainted: [W]=WARN
[    8.967674][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.968377][  T183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.968602][  T183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.969147][  T183] RSP: 0018:ffa00000006e7020 EFLAGS: 00010286
[    8.969363][  T183] RAX: 00000000ffffffa6 RBX: ff1100000ac913c0 RCX: 1ff40000000dcdca
[    8.969614][  T183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ac91470
[    8.969871][  T183] RBP: ff11000009cbc000 R08: 1fe220000159228f R09: ff1100000c38d158
[    8.970128][  T183] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    8.970373][  T183] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    8.970621][  T183] FS:  00007f029649e840(0000) GS:ff1100007c285000(0000) knlGS:0000000000000000
[    8.970916][  T183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.971139][  T183] CR2: 000000001a695988 CR3: 0000000005e9d001 CR4: 0000000000771ef0
[    8.971389][  T183] PKRU: 55555554
[    8.971537][  T183] Call Trace:
[    8.971698][  T183]  <TASK>
[    8.971816][  T183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.972000][  T183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.972153][  T183]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.972333][  T183]  __dev_notify_flags (net/core/dev.c:9787)
[    8.972518][  T183]  ? netif_change_name (net/core/dev.c:1495)
[    8.972715][  T183]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.972897][  T183]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    8.973082][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.973265][  T183]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    8.973455][  T183]  netif_change_flags (net/core/dev.c:9820)
[    8.973640][  T183]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    8.973839][  T183]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.974025][  T183]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.974215][  T183]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.974430][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.974613][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.974805][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.974987][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.975370][  T183]  ? __kernel_text_address (kernel/extable.c:79)
[    8.975553][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.975750][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.975931][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.976121][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.976302][  T183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.976483][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.976667][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.976862][  T183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.977052][  T183]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    8.977234][  T183]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.977416][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.977599][  T183]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.977798][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.977984][  T183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.978179][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.978361][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.978555][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.978750][  T183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.978932][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.979126][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.979307][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.979491][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.979674][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.979869][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.980059][  T183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.980242][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.980423][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.980606][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.980802][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.980986][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.981180][  T183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.981363][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.981547][  T183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.981742][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.981926][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.982116][  T183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.982301][  T183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.982485][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.982670][  T183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.982868][  T183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.983058][  T183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.983245][  T183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.983427][  T183]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.983617][  T183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.983846][  T183]  ? move_addr_to_kernel (net/socket.c:258)
[    8.984029][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.984221][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.984407][  T183]  ___sys_sendmsg (net/socket.c:2752)
[    8.984589][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.984818][  T183]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.985012][  T183]  __sys_sendmsg (net/socket.c:2784)
[    8.985218][  T183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.985399][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.985616][  T183]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.985810][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.985993][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.986184][  T183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.986366][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.986551][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.986782][  T183] RIP: 0033:0x7f02966d808e
[    8.986970][  T183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.987522][  T183] RSP: 002b:00007fff30ebfab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.987783][  T183] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f02966d808e
[    8.988052][  T183] RDX: 0000000000000000 RSI: 00007fff30ebfb60 RDI: 0000000000000005
[    8.988294][  T183] RBP: 00007fff30ebfac0 R08: 0000000000000000 R09: 0000000000000000
[    8.988534][  T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d7f9
[    8.988802][  T183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff30ec0230
| [    9.081263][  T157] ------------[ cut here ]------------
| [    9.081507][  T157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: bash/157
| [    9.081941][  T157] Modules linked in: netconsole netdevsim
| [    9.082495][  T157] Tainted: [W]=WARN
[    9.082619][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.082833][  T157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.083049][  T157] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.083668][  T157] RSP: 0018:ffa00000008174f8 EFLAGS: 00010286
[    9.083885][  T157] RAX: 00000000ffffffa6 RBX: ff11000004e1dcc0 RCX: 1ff4000000102e65
[    9.084145][  T157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1dd70
[    9.084395][  T157] RBP: ff1100000ff1a000 R08: 1fe22000009c3baf R09: ff1100000cc3af48
[    9.084651][  T157] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.084904][  T157] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff1a000
[    9.085152][  T157] FS:  00007f07d8aa7b80(0000) GS:ff1100007c185000(0000) knlGS:0000000000000000
[    9.085437][  T157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.085642][  T157] CR2: 00007fa84a87dd80 CR3: 000000000956c005 CR4: 0000000000771ef0
[    9.085891][  T157] PKRU: 55555554
[    9.086012][  T157] Call Trace:
[    9.086174][  T157]  <TASK>
[    9.086260][  T157]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.086425][  T157]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.086550][  T157]  register_netdevice (net/core/dev.c:11488)
[    9.086721][  T157]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.086923][  T157]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    9.087100][  T157] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.087311][  T157] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.087475][  T157] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.087679][  T157]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.087847][  T157]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.088055][  T157]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[    9.088217][  T157]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.088341][  T157]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.088513][  T157]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.088726][  T157] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    9.088892][  T157]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    9.089081][  T157]  call_driver_probe (drivers/base/dd.c:629)
[    9.089246][  T157]  really_probe (drivers/base/dd.c:709)
[    9.089412][  T157]  ? driver_probe_device (drivers/base/dd.c:135)
[    9.089577][  T157]  __driver_probe_device (drivers/base/dd.c:871)
[    9.089751][  T157]  driver_probe_device (drivers/base/dd.c:901)
[    9.089920][  T157]  __device_attach_driver (drivers/base/dd.c:1029)
[    9.090097][  T157]  bus_for_each_drv (drivers/base/bus.c:500)
[    9.090263][  T157]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    9.090430][  T157]  __device_attach (drivers/base/dd.c:1101)
[    9.090592][  T157]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.090762][  T157]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    9.090968][  T157]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.091133][  T157]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    9.091296][  T157]  device_initial_probe (drivers/base/dd.c:1156)
[    9.091459][  T157]  bus_probe_device (drivers/base/bus.c:613)
[    9.091622][  T157]  device_add (drivers/base/core.c:3706)
[    9.091789][  T157]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    9.091990][  T157]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    9.092163][  T157]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    9.092337][  T157] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    9.092541][  T157]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.092708][  T157]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    9.092910][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[    9.093078][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.093241][  T157]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.093401][  T157]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.093568][  T157]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.093695][  T157]  new_sync_write (fs/read_write.c:595)
[    9.093877][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.094049][  T157]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.094214][  T157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.094376][  T157]  ? ksys_write (fs/read_write.c:740)
[    9.094542][  T157]  vfs_write (fs/read_write.c:688)
[    9.094667][  T157]  ksys_write (fs/read_write.c:740)
[    9.094796][  T157]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.094984][  T157]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.095155][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.095369][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.095612][  T157]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.095872][  T157]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.096049][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.096262][  T157] RIP: 0033:0x7f07d8b1908e
[    9.096441][  T157] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.097021][  T157] RSP: 002b:00007ffde1674bf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.097274][  T157] RAX: ffffffffffffffda RBX: 00007f07d8c9b580 RCX: 00007f07d8b1908e
[    9.097517][  T157] RDX: 0000000000000004 RSI: 0000561ffdbd0670 RDI: 0000000000000001
[    9.097770][  T157] RBP: 00007ffde1674c00 R08: 0000000000000000 R09: 0000000000000000
[    9.098010][  T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    9.098256][  T157] R13: 0000000000000004 R14: 0000561ffdbd0670 R15: 0000000000000000
| [    9.114473][  T157] ------------[ cut here ]------------
| [    9.114775][  T157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: bash/157
| [    9.115151][  T157] Modules linked in: netconsole netdevsim
| [    9.115795][  T157] Tainted: [W]=WARN
[    9.115921][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.116138][  T157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.116373][  T157] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.116960][  T157] RSP: 0018:ffa00000008174f8 EFLAGS: 00010286
[    9.117177][  T157] RAX: 00000000ffffffa6 RBX: ff11000008a133c0 RCX: 1ff4000000102e65
[    9.117427][  T157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a13470
[    9.117672][  T157] RBP: ff1100000c39a000 R08: 1fe220000114268f R09: ff1100000cc3af48
[    9.117926][  T157] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.118189][  T157] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c39a000
[    9.118446][  T157] FS:  00007f07d8aa7b80(0000) GS:ff1100007c185000(0000) knlGS:0000000000000000
[    9.118784][  T157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.118992][  T157] CR2: 00007fa84a87dd80 CR3: 000000000956c005 CR4: 0000000000771ef0
[    9.119247][  T157] PKRU: 55555554
[    9.119380][  T157] Call Trace:
[    9.119502][  T157]  <TASK>
[    9.119592][  T157]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.119773][  T157]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.119898][  T157]  register_netdevice (net/core/dev.c:11488)
[    9.120068][  T157]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.120269][  T157]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    9.120447][  T157] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.120658][  T157] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.120835][  T157] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.121045][  T157]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.121213][  T157]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.121420][  T157]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[    9.121585][  T157]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.121714][  T157]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.121881][  T157]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.122103][  T157] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    9.122347][  T157]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    9.122579][  T157]  call_driver_probe (drivers/base/dd.c:629)
[    9.122754][  T157]  really_probe (drivers/base/dd.c:709)
[    9.122920][  T157]  ? driver_probe_device (drivers/base/dd.c:135)
[    9.123088][  T157]  __driver_probe_device (drivers/base/dd.c:871)
[    9.123255][  T157]  driver_probe_device (drivers/base/dd.c:901)
[    9.123469][  T157]  __device_attach_driver (drivers/base/dd.c:1029)
[    9.123634][  T157]  bus_for_each_drv (drivers/base/bus.c:500)
[    9.123807][  T157]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    9.123973][  T157]  __device_attach (drivers/base/dd.c:1101)
[    9.124144][  T157]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.124307][  T157]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    9.124553][  T157]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.124732][  T157]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    9.124895][  T157]  device_initial_probe (drivers/base/dd.c:1156)
[    9.125079][  T157]  bus_probe_device (drivers/base/bus.c:613)
[    9.125276][  T157]  device_add (drivers/base/core.c:3706)
[    9.125452][  T157]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    9.125655][  T157]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    9.125829][  T157]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    9.126005][  T157] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    9.126214][  T157]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.126379][  T157]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    9.126600][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[    9.126854][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.127037][  T157]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.127201][  T157]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.127368][  T157]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.127491][  T157]  new_sync_write (fs/read_write.c:595)
[    9.127654][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.127823][  T157]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.127988][  T157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.128155][  T157]  ? ksys_write (fs/read_write.c:740)
[    9.128321][  T157]  vfs_write (fs/read_write.c:688)
[    9.128445][  T157]  ksys_write (fs/read_write.c:740)
[    9.128572][  T157]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.128739][  T157]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.128900][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.129072][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.129233][  T157]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.129393][  T157]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.129555][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.129762][  T157] RIP: 0033:0x7f07d8b1908e
[    9.129936][  T157] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.130533][  T157] RSP: 002b:00007ffde1674c20 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.130783][  T157] RAX: ffffffffffffffda RBX: 00007f07d8c9b580 RCX: 00007f07d8b1908e
[    9.131058][  T157] RDX: 0000000000000004 RSI: 0000561ffdbd0670 RDI: 0000000000000001
[    9.131309][  T157] RBP: 00007ffde1674c30 R08: 0000000000000000 R09: 0000000000000000
[    9.131553][  T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    9.131807][  T157] R13: 0000000000000004 R14: 0000561ffdbd0670 R15: 0000000000000000
| [    9.348860][  T199] ------------[ cut here ]------------
| [    9.349111][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/199
| [    9.349389][  T199] Modules linked in: netconsole netdevsim
| [    9.349900][  T199] Tainted: [W]=WARN
[    9.350050][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.350261][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.350481][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.350985][  T199] RSP: 0018:ffa0000000856ff8 EFLAGS: 00010286
[    9.351205][  T199] RAX: 00000000ffffffa6 RBX: ff1100000d7ff840 RCX: 1ff400000010adc5
[    9.351451][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7ff8f0
[    9.351703][  T199] RBP: ff1100000ff1a000 R08: 1fe2200001afff1f R09: ff1100000cc3d158
[    9.351941][  T199] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.352189][  T199] R13: 0000000000000000 R14: ffa0000000857140 R15: ff1100000d58bbd0
[    9.352427][  T199] FS:  00007fc381d74840(0000) GS:ff1100007c285000(0000) knlGS:0000000000000000
[    9.352798][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.353003][  T199] CR2: 0000000014d5e988 CR3: 000000000d465006 CR4: 0000000000771ef0
[    9.353246][  T199] PKRU: 55555554
[    9.353386][  T199] Call Trace:
[    9.353527][  T199]  <TASK>
[    9.353640][  T199]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    9.353833][  T199]  __dev_change_net_namespace (net/core/dev.c:12635)
[    9.354047][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.354221][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.354396][  T199]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.354599][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.354783][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.354958][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.355142][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.355316][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.355490][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.355665][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.355853][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.356027][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.356238][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.356419][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.356593][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.356780][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.356959][  T199]  ? __kernel_text_address (kernel/extable.c:79)
[    9.357146][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.357324][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.357500][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.357679][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.357869][  T199]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.358054][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.358231][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.358404][  T199]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.358577][  T199]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.358763][  T199]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.358937][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.359127][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.359304][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.359488][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.359670][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.359863][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.360043][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.360220][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.360396][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.360570][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.360759][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.360932][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.361112][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.361290][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.361469][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.361649][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.361835][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.362008][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.362189][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.362363][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.362539][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.362732][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.362909][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.363091][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.363270][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.363445][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.363620][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.363805][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.363978][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.364164][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.364339][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.364514][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.364704][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.364879][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.365063][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.365272][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.365451][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.365625][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.365814][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.365996][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.366214][  T199]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[    9.366420][  T199]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[    9.366627][  T199]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[    9.366817][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.366992][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.367180][  T199]  ? lockdep_softirqs_on (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4558 (discriminator 2))
[    9.367362][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.367539][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.367725][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.367897][  T199]  ? irq_exit_rcu (kernel/softirq.c:754)
[    9.368079][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.368281][  T199] RIP: 0033:0x7fc381fae08e
[    9.368465][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.368966][  T199] RSP: 002b:00007ffed301ebc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.369208][  T199] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc381fae08e
[    9.369446][  T199] RDX: 0000000000000000 RSI: 00007ffed301ec70 RDI: 0000000000000005
[    9.369679][  T199] RBP: 00007ffed301ebd0 R08: 0000000000000000 R09: 0000000000000000
[    9.369924][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d7f9
[    9.370166][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed301f330
| [    9.373457][  T199] ------------[ cut here ]------------
| [    9.373637][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/199
| [    9.373922][  T199] Modules linked in: netconsole netdevsim
| [    9.374428][  T199] Tainted: [W]=WARN
[    9.374571][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.374791][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.375005][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.375511][  T199] RSP: 0018:ffa0000000856fc0 EFLAGS: 00010286
[    9.375732][  T199] RAX: 00000000ffffffa6 RBX: ff11000008caeac0 RCX: 1ff400000010adbe
[    9.375968][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008caeb70
[    9.376216][  T199] RBP: ff1100000ff1a000 R08: 1fe2200001195d6f R09: ff1100000cc3d158
[    9.376452][  T199] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.376701][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb4359ab0
[    9.376938][  T199] FS:  00007fc381d74840(0000) GS:ff1100007c285000(0000) knlGS:0000000000000000
[    9.377220][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.377427][  T199] CR2: 0000000014d5e988 CR3: 000000000d465006 CR4: 0000000000771ef0
[    9.377665][  T199] PKRU: 55555554
[    9.377820][  T199] Call Trace:
[    9.377963][  T199]  <TASK>
[    9.378083][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.378265][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.378417][  T199]  __dev_change_net_namespace (net/core/dev.c:12695)
[    9.378633][  T199]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.378851][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.379027][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.379210][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.379386][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.379562][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.379755][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.379931][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.380115][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.380291][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.380502][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.380682][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.380873][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.381059][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.381236][  T199]  ? __kernel_text_address (kernel/extable.c:79)
[    9.381417][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.381599][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.381791][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.381965][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.382144][  T199]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.382322][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.382499][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.382674][  T199]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.382861][  T199]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.383042][  T199]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.383219][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.383403][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.383577][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.383771][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.383951][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.384136][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.384309][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.384483][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.384655][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.384840][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.385022][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.385204][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.385378][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.385552][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.385739][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.385913][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.386097][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.386271][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.386450][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.386633][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.386824][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.387004][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.387184][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.387359][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.387538][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.387728][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.387907][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.388091][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.388293][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.388479][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.388660][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.388850][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.389028][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.389215][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.389388][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.389592][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.389784][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.389961][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.390142][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.390320][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.390527][  T199]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[    9.390744][  T199]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[    9.390954][  T199]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[    9.391139][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.391316][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.391490][  T199]  ? lockdep_softirqs_on (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4558 (discriminator 2))
[    9.391670][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.391858][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.392043][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.392224][  T199]  ? irq_exit_rcu (kernel/softirq.c:754)
[    9.392404][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.392613][  T199] RIP: 0033:0x7fc381fae08e
[    9.392803][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.393319][  T199] RSP: 002b:00007ffed301ebc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.393559][  T199] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc381fae08e
[    9.393809][  T199] RDX: 0000000000000000 RSI: 00007ffed301ec70 RDI: 0000000000000005
[    9.394065][  T199] RBP: 00007ffed301ebd0 R08: 0000000000000000 R09: 0000000000000000
[    9.394309][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d7f9
[    9.394545][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed301f330
| [    9.496233][  T201] ------------[ cut here ]------------
| [    9.496444][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [    9.496770][  T201] Modules linked in: netconsole netdevsim
| [    9.497224][  T201] Tainted: [W]=WARN
[    9.497379][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.497551][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.497813][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.498304][  T201] RSP: 0018:ffa00000007a7020 EFLAGS: 00010286
[    9.498476][  T201] RAX: 00000000ffffffa6 RBX: ff1100000c256dc0 RCX: 1ff40000000f4dca
[    9.498677][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c256e70
[    9.498967][  T201] RBP: ff1100000ff1a000 R08: 1fe220000184adcf R09: ff11000008d3ae80
[    9.499176][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.499381][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.499585][  T201] FS:  00007fc463e24840(0000) GS:ff1100007c305000(0000) knlGS:0000000000000000
[    9.499911][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.500086][  T201] CR2: 000000001b012988 CR3: 000000000c98b003 CR4: 0000000000771ef0
[    9.500289][  T201] PKRU: 55555554
[    9.500391][  T201] Call Trace:
[    9.500493][  T201]  <TASK>
[    9.500563][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.500765][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.500868][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.501002][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.501142][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.501279][  T201]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.501414][  T201]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.501548][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.501740][  T201]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.501878][  T201]  netif_change_flags (net/core/dev.c:9820)
[    9.502013][  T201]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.502153][  T201]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.502288][  T201]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.502461][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.502596][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.502784][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.502919][  T201]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.503055][  T201]  ? __kernel_text_address (kernel/extable.c:79)
[    9.503191][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.503327][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.503461][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.503594][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.503781][  T201]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.503915][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.504051][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.504186][  T201]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.504322][  T201]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.504456][  T201]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.504591][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.504785][  T201]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.504921][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.505062][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.505199][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.505332][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.505469][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.505603][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.505786][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.505923][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.506062][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.506196][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.506329][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.506465][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.506599][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.506737][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.506870][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.507004][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.507145][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.507279][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.507420][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.507555][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.507695][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.507833][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.507968][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.508109][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.508243][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.508379][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.508514][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.508651][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.508790][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.508928][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.509067][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.509200][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.509365][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.509498][  T201]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.509633][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.509773][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.509908][  T201]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.510078][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.510223][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.510358][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.510491][  T201]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.510661][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.510799][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.510934][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.511072][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.511208][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.511342][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.511509][  T201] RIP: 0033:0x7fc46405e08e
[    9.511649][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.512133][  T201] RSP: 002b:00007ffc4f214c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.512337][  T201] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc46405e08e
[    9.512543][  T201] RDX: 0000000000000000 RSI: 00007ffc4f214cb0 RDI: 0000000000000005
[    9.512750][  T201] RBP: 00007ffc4f214c10 R08: 0000000000000000 R09: 0000000000000000
[    9.512952][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d7f9
[    9.513158][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4f215370
| [    9.562865][  T203] ------------[ cut here ]------------
| [    9.563076][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.563368][  T203] Modules linked in: netconsole netdevsim
| [    9.564398][  T203] Tainted: [W]=WARN
[    9.564761][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.565082][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.565384][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.566006][  T203] RSP: 0018:ffa0000000647020 EFLAGS: 00010286
[    9.566319][  T203] RAX: 00000000ffffffa6 RBX: ff11000004fc7240 RCX: 1ff40000000c8dca
[    9.566657][  T203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004fc72f0
[    9.566966][  T203] RBP: ff1100000c39a000 R08: 1fe22000009f8e5f R09: ff1100000ce60b80
[    9.567272][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.567571][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.567836][  T203] FS:  00007f3aa0ade840(0000) GS:ff1100007c285000(0000) knlGS:0000000000000000
[    9.568125][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.568340][  T203] CR2: 000000003ddc1988 CR3: 000000000ff99005 CR4: 0000000000771ef0
[    9.568587][  T203] PKRU: 55555554
[    9.568747][  T203] Call Trace:
[    9.568895][  T203]  <TASK>
[    9.569015][  T203]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    9.569207][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.569391][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.569542][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.569733][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[    9.569919][  T203]  ? netif_change_name (net/core/dev.c:1495)
[    9.570107][  T203]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.570291][  T203]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.570472][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.570655][  T203]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.570850][  T203]  netif_change_flags (net/core/dev.c:9820)
[    9.571041][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.571227][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.571411][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.571628][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.571823][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.572007][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.572196][  T203]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.572378][  T203]  ? __kernel_text_address (kernel/extable.c:79)
[    9.572560][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.572759][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.572943][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.573134][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.573315][  T203]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.573495][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.573676][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.573882][  T203]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.574071][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.574255][  T203]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.574438][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.574622][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.574882][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.575076][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.575261][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.575441][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.575624][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.575825][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.576006][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.576200][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.576381][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.576562][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.576757][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.576941][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.577130][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.577316][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.577496][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.577678][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.577875][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.578061][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.578245][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.578427][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.578609][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.578808][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.578989][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.579184][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.579368][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.579548][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.579744][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.579928][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.580118][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.580303][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.580486][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.580665][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.580891][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[    9.581084][  T203]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.581265][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.581455][  T203]  ___sys_sendmsg (net/socket.c:2752)
[    9.581636][  T203]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.581863][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.582065][  T203]  __sys_sendmsg (net/socket.c:2784)
[    9.582247][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.582428][  T203]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.582645][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.582843][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.583026][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.583228][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.583408][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.583593][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.583821][  T203] RIP: 0033:0x7f3aa0d1808e
[    9.584008][  T203] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.584540][  T203] RSP: 002b:00007ffc007356b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.584802][  T203] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3aa0d1808e
[    9.585058][  T203] RDX: 0000000000000000 RSI: 00007ffc00735760 RDI: 0000000000000005
[    9.585309][  T203] RBP: 00007ffc007356c0 R08: 0000000000000000 R09: 0000000000000000
[    9.585555][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d7f9
[    9.585815][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc00735e20
| [    9.646045][  T157] ------------[ cut here ]------------
| [    9.646274][  T157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: bash/157
| [    9.646599][  T157] Modules linked in: netconsole netdevsim
| [    9.647147][  T157] Tainted: [W]=WARN
[    9.647271][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.647474][  T157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.647733][  T157] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.648383][  T157] RSP: 0018:ffa00000008175a8 EFLAGS: 00010286
[    9.648593][  T157] RAX: 00000000ffffffa6 RBX: ff11000008f3e340 RCX: 1ff4000000102e7b
[    9.648844][  T157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f3e3f0
[    9.649090][  T157] RBP: ff1100000ff1a000 R08: 1fe22000011e7c7f R09: ff1100000cc3af70
[    9.649334][  T157] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[    9.649577][  T157] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000817698
[    9.649947][  T157] FS:  00007f07d8aa7b80(0000) GS:ff1100007c205000(0000) knlGS:0000000000000000
[    9.650241][  T157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.650448][  T157] CR2: 0000561ffdbbf56c CR3: 000000000956c003 CR4: 0000000000771ef0
[    9.650762][  T157] PKRU: 55555554
[    9.650885][  T157] Call Trace:
[    9.651006][  T157]  <TASK>
[    9.651097][  T157]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.651265][  T157]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.651392][  T157]  netif_close_many (net/core/dev.c:1804)
[    9.651556][  T157]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.651788][  T157]  ? __dev_close_many (net/core/dev.c:1781)
[    9.651951][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.652123][  T157]  netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.652288][  T157]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[    9.652491][  T157]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[    9.652761][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.652924][  T157]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.653092][  T157]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.653253][  T157]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.653416][  T157]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.653620][  T157]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.653845][  T157]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.654008][  T157]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.654178][  T157]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.654348][  T157]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.654514][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.654677][  T157]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.654909][  T157] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.655081][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.655245][  T157] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.655452][  T157] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.655657][  T157] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.655888][  T157]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.656098][  T157]  bus_remove_device (drivers/base/bus.c:657)
[    9.656263][  T157]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.656426][  T157]  ? device_remove_file (drivers/base/core.c:3073)
[    9.656591][  T157]  device_del (drivers/base/core.c:3895)
[    9.656780][  T157]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.656947][  T157]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.657115][  T157]  device_unregister (drivers/base/core.c:3936)
[    9.657279][  T157] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.657484][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[    9.657648][  T157]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.657886][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.658052][  T157]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.658216][  T157]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.658381][  T157]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.658504][  T157]  new_sync_write (fs/read_write.c:595)
[    9.658669][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.658838][  T157]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.659001][  T157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.659170][  T157]  ? ksys_write (fs/read_write.c:740)
[    9.659335][  T157]  vfs_write (fs/read_write.c:688)
[    9.659461][  T157]  ksys_write (fs/read_write.c:740)
[    9.659584][  T157]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.659752][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.659914][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.660082][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.660244][  T157]  ? irq_exit_rcu (kernel/softirq.c:754)
[    9.660407][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.660613][  T157] RIP: 0033:0x7f07d8b1908e
[    9.660788][  T157] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.661376][  T157] RSP: 002b:00007ffde1675b80 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.661630][  T157] RAX: ffffffffffffffda RBX: 00007f07d8c9b580 RCX: 00007f07d8b1908e
[    9.661877][  T157] RDX: 0000000000000004 RSI: 0000561ffdbd0670 RDI: 0000000000000001
[    9.662124][  T157] RBP: 00007ffde1675b90 R08: 0000000000000000 R09: 0000000000000000
[    9.662366][  T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    9.662606][  T157] R13: 0000000000000004 R14: 0000561ffdbd0670 R15: 0000000000000000
| [    9.667708][  T157] ------------[ cut here ]------------
| [    9.667907][  T157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: bash/157
| [    9.668220][  T157] Modules linked in: netconsole netdevsim
| [    9.669145][  T157] Tainted: [W]=WARN
[    9.669263][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.669455][  T157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.669777][  T157] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.670324][  T157] RSP: 0018:ffa0000000817728 EFLAGS: 00010286
[    9.670517][  T157] RAX: 00000000ffffffa6 RBX: ff1100000ac916c0 RCX: 1ff4000000102eab
[    9.670810][  T157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ac91770
[    9.671044][  T157] RBP: ff1100000ff1a000 R08: 1fe22000015922ef R09: ff1100000cc3af48
[    9.671337][  T157] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.671566][  T157] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.671859][  T157] FS:  00007f07d8aa7b80(0000) GS:ff1100007c205000(0000) knlGS:0000000000000000
[    9.672129][  T157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.672322][  T157] CR2: 0000561ffdbbf56c CR3: 000000000956c003 CR4: 0000000000771ef0
[    9.672552][  T157] PKRU: 55555554
[    9.672667][  T157] Call Trace:
[    9.672843][  T157]  <TASK>
[    9.672924][  T157]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.673124][  T157]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.673316][  T157]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.673470][  T157]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.673623][  T157]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.673837][  T157]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.673992][  T157]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.674151][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.674304][  T157]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.674460][  T157] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.674618][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.674834][  T157] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.675026][  T157] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.675224][  T157] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.675381][  T157]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.675574][  T157]  bus_remove_device (drivers/base/bus.c:657)
[    9.675791][  T157]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.675945][  T157]  ? device_remove_file (drivers/base/core.c:3073)
[    9.676107][  T157]  device_del (drivers/base/core.c:3895)
[    9.676225][  T157]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.676381][  T157]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.676533][  T157]  device_unregister (drivers/base/core.c:3936)
[    9.676750][  T157] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.676942][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[    9.677098][  T157]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.677290][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.677442][  T157]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.677595][  T157]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.677808][  T157]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.677925][  T157]  new_sync_write (fs/read_write.c:595)
[    9.678080][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.678234][  T157]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.678388][  T157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.678539][  T157]  ? ksys_write (fs/read_write.c:740)
[    9.678759][  T157]  vfs_write (fs/read_write.c:688)
[    9.678875][  T157]  ksys_write (fs/read_write.c:740)
[    9.678990][  T157]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.679150][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.679301][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.679454][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.679605][  T157]  ? irq_exit_rcu (kernel/softirq.c:754)
[    9.679820][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.680009][  T157] RIP: 0033:0x7f07d8b1908e
[    9.680170][  T157] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.680774][  T157] RSP: 002b:00007ffde1675b80 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.681002][  T157] RAX: ffffffffffffffda RBX: 00007f07d8c9b580 RCX: 00007f07d8b1908e
[    9.681234][  T157] RDX: 0000000000000004 RSI: 0000561ffdbd0670 RDI: 0000000000000001
[    9.681464][  T157] RBP: 00007ffde1675b90 R08: 0000000000000000 R09: 0000000000000000
[    9.681755][  T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    9.681982][  T157] R13: 0000000000000004 R14: 0000561ffdbd0670 R15: 0000000000000000
| [    9.725375][  T157] ------------[ cut here ]------------
| [    9.725654][  T157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: bash/157
| [    9.726111][  T157] Modules linked in: netconsole netdevsim
| [    9.726645][  T157] Tainted: [W]=WARN
[    9.726805][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.727009][  T157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.727228][  T157] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.727815][  T157] RSP: 0018:ffa00000008175a8 EFLAGS: 00010286
[    9.728019][  T157] RAX: 00000000ffffffa6 RBX: ff1100000ac910c0 RCX: 1ff4000000102e7b
[    9.728263][  T157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ac91170
[    9.728503][  T157] RBP: ff1100000c39a000 R08: 1fe220000159222f R09: ff1100000cc3af70
[    9.728749][  T157] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[    9.728990][  T157] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000817698
[    9.729237][  T157] FS:  00007f07d8aa7b80(0000) GS:ff1100007c185000(0000) knlGS:0000000000000000
[    9.729518][  T157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.729727][  T157] CR2: 0000561ffdb772b8 CR3: 000000000956c003 CR4: 0000000000771ef0
[    9.729968][  T157] PKRU: 55555554
[    9.730090][  T157] Call Trace:
[    9.730210][  T157]  <TASK>
[    9.730293][  T157]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.730457][  T157]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.730579][  T157]  netif_close_many (net/core/dev.c:1804)
[    9.730744][  T157]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.730905][  T157]  ? __dev_close_many (net/core/dev.c:1781)
[    9.731069][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.731236][  T157]  netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.731396][  T157]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[    9.731596][  T157]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[    9.731869][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.732028][  T157]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.732193][  T157]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.732354][  T157]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.732514][  T157]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.732779][  T157]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.733004][  T157]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.733168][  T157]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.733327][  T157]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.733489][  T157]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.733649][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.733877][  T157]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.734046][  T157] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.734211][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.734372][  T157] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.734572][  T157] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.734897][  T157] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.735065][  T157]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.735269][  T157]  bus_remove_device (drivers/base/bus.c:657)
[    9.735430][  T157]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.735589][  T157]  ? device_remove_file (drivers/base/core.c:3073)
[    9.735885][  T157]  device_del (drivers/base/core.c:3895)
[    9.736009][  T157]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.736175][  T157]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.736334][  T157]  device_unregister (drivers/base/core.c:3936)
[    9.736496][  T157] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.736829][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[    9.736989][  T157]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.737195][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.737355][  T157]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.737517][  T157]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.737677][  T157]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.737931][  T157]  new_sync_write (fs/read_write.c:595)
[    9.738097][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.738257][  T157]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.738418][  T157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.738576][  T157]  ? ksys_write (fs/read_write.c:740)
[    9.738870][  T157]  vfs_write (fs/read_write.c:688)
[    9.738992][  T157]  ksys_write (fs/read_write.c:740)
[    9.739120][  T157]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.739281][  T157]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.739442][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.739602][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.739893][  T157]  ? irq_exit_rcu (kernel/softirq.c:754)
[    9.740057][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.740255][  T157] RIP: 0033:0x7f07d8b1908e
[    9.740421][  T157] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.741068][  T157] RSP: 002b:00007ffde1675c80 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.741311][  T157] RAX: ffffffffffffffda RBX: 00007f07d8c9b580 RCX: 00007f07d8b1908e
[    9.741549][  T157] RDX: 0000000000000004 RSI: 0000561ffdbd0670 RDI: 0000000000000001
[    9.741858][  T157] RBP: 00007ffde1675c90 R08: 0000000000000000 R09: 0000000000000000
[    9.742104][  T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    9.742342][  T157] R13: 0000000000000004 R14: 0000561ffdbd0670 R15: 0000000000000000
| [    9.760830][  T157] ------------[ cut here ]------------
| [    9.761088][  T157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: bash/157
| [    9.761486][  T157] Modules linked in: netconsole netdevsim
| [    9.762136][  T157] Tainted: [W]=WARN
[    9.762298][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.762538][  T157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.762838][  T157] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.763441][  T157] RSP: 0018:ffa0000000817728 EFLAGS: 00010286
[    9.763683][  T157] RAX: 00000000ffffffa6 RBX: ff1100000bb413c0 RCX: 1ff4000000102eab
[    9.764015][  T157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bb41470
[    9.764297][  T157] RBP: ff1100000c39a000 R08: 1fe220000176828f R09: ff1100000cc3af48
[    9.764569][  T157] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.764852][  T157] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.765139][  T157] FS:  00007f07d8aa7b80(0000) GS:ff1100007c285000(0000) knlGS:0000000000000000
[    9.765454][  T157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.765712][  T157] CR2: 00007f07d8cb8f98 CR3: 000000000956c005 CR4: 0000000000771ef0
[    9.765988][  T157] PKRU: 55555554
[    9.766156][  T157] Call Trace:
[    9.766319][  T157]  <TASK>
[    9.766445][  T157]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.766700][  T157]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.766933][  T157]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.767141][  T157]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.767338][  T157]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.767539][  T157]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.767755][  T157]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.767957][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.768160][  T157]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.768372][  T157] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.768575][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.768788][  T157] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.769031][  T157] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.769278][  T157] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.769490][  T157]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.769742][  T157]  bus_remove_device (drivers/base/bus.c:657)
[    9.769943][  T157]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.770149][  T157]  ? device_remove_file (drivers/base/core.c:3073)
[    9.770351][  T157]  device_del (drivers/base/core.c:3895)
[    9.770523][  T157]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.770735][  T157]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.770934][  T157]  device_unregister (drivers/base/core.c:3936)
[    9.771144][  T157] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.771383][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[    9.771582][  T157]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.771831][  T157]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.772030][  T157]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.772238][  T157]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.772436][  T157]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.772599][  T157]  new_sync_write (fs/read_write.c:595)
[    9.772812][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.773010][  T157]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.773222][  T157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.773433][  T157]  ? ksys_write (fs/read_write.c:740)
[    9.773639][  T157]  vfs_write (fs/read_write.c:688)
[    9.773817][  T157]  ksys_write (fs/read_write.c:740)
[    9.773979][  T157]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.774206][  T157]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.774409][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.774609][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.774817][  T157]  ? irq_exit_rcu (kernel/softirq.c:754)
[    9.775018][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.775261][  T157] RIP: 0033:0x7f07d8b1908e
[    9.775466][  T157] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.776068][  T157] RSP: 002b:00007ffde1675c80 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.776347][  T157] RAX: ffffffffffffffda RBX: 00007f07d8c9b580 RCX: 00007f07d8b1908e
[    9.776619][  T157] RDX: 0000000000000004 RSI: 0000561ffdbd0670 RDI: 0000000000000001
[    9.776906][  T157] RBP: 00007ffde1675c90 R08: 0000000000000000 R09: 0000000000000000
[    9.777191][  T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    9.777466][  T157] R13: 0000000000000004 R14: 0000561ffdbd0670 R15: 0000000000000000
| [    9.921960][   T12] ------------[ cut here ]------------
| [    9.922172][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    9.922513][   T12] Modules linked in: netconsole netdevsim
| [    9.922954][   T12] Tainted: [W]=WARN
[    9.923051][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.923202][   T12] Workqueue: netns cleanup_net
[    9.923338][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.923495][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.923963][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[    9.924119][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ac90340 RCX: 1ff4000000018eaf
[    9.924299][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ac903f0
[    9.924477][   T12] RBP: ff11000009cbc000 R08: 1fe220000159207f R09: ff11000001b051d0
[    9.924653][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[    9.924841][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e8
[    9.925027][   T12] FS:  0000000000000000(0000) GS:ff1100007c305000(0000) knlGS:0000000000000000
[    9.925243][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.925396][   T12] CR2: 00007f07d8cb8f98 CR3: 000000003cd39001 CR4: 0000000000771ef0
[    9.925585][   T12] PKRU: 55555554
[    9.925675][   T12] Call Trace:
[    9.925772][   T12]  <TASK>
[    9.925835][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.925956][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.926048][   T12]  netif_close_many (net/core/dev.c:1804)
[    9.926168][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.926289][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.926408][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.926526][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[    9.926644][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.926795][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.926915][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    9.927064][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.927182][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    9.927300][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[    9.927420][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.927568][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    9.927696][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.927824][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[    9.927950][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    9.928075][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    9.928195][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    9.928316][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    9.928440][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.928561][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    9.928677][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.928804][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    9.928921][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    9.929043][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    9.929164][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.929283][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.929407][   T12]  process_one_work (kernel/workqueue.c:3314)
[    9.929529][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.929646][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.929777][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.929899][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.930017][   T12]  kthread (kernel/kthread.c:436)
[    9.930112][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.930262][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.930379][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.930504][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.930652][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.930778][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.930897][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.933550][   T12] ------------[ cut here ]------------
| [    9.933672][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    9.933909][   T12] Modules linked in: netconsole netdevsim
| [    9.934345][   T12] Tainted: [W]=WARN
[    9.934437][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.934585][   T12] Workqueue: netns cleanup_net
[    9.934789][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.934995][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.935420][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    9.935571][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e1cac0 RCX: 1ff4000000018ed5
[    9.935794][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1cb70
[    9.935973][   T12] RBP: ff11000009cbc000 R08: 1fe22000009c396f R09: ff11000001b051d0
[    9.936156][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.936332][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.936510][   T12] FS:  0000000000000000(0000) GS:ff1100007c305000(0000) knlGS:0000000000000000
[    9.936765][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.936915][   T12] CR2: 00007f07d8cb8f98 CR3: 000000003cd39001 CR4: 0000000000771ef0
[    9.937102][   T12] PKRU: 55555554
[    9.937191][   T12] Call Trace:
[    9.937279][   T12]  <TASK>
[    9.937341][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.937493][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.937643][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    9.937811][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.937932][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[    9.938054][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    9.938176][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    9.938294][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    9.938412][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    9.938534][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.938654][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    9.938818][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.938941][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    9.939064][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    9.939182][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    9.939308][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.939425][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.939545][   T12]  process_one_work (kernel/workqueue.c:3314)
[    9.939670][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.939799][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.939921][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.940050][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.940168][   T12]  kthread (kernel/kthread.c:436)
[    9.940259][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.940408][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.940527][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.940652][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.940804][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.940926][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:netif_close_many_and_unlock:unregister_netdevice_many_notify
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg