======================================
| xx__-> [    9.445587][  T190] ------------[ cut here ]------------
| [    9.445811][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/190
| [    9.446052][  T190] Modules linked in:
| [    9.446498][  T190] Tainted: [W]=WARN
[    9.446610][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.446781][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.446998][  T190] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.447481][  T190] RSP: 0018:ffa0000000837a80 EFLAGS: 00010286
[    9.447660][  T190] RAX: 00000000ffffffa6 RBX: ff1100000995cac0 RCX: 1ff4000000106f16
[    9.447861][  T190] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000995cb7c
[    9.448061][  T190] RBP: ff1100000a829000 R08: 1fe220000132b971 R09: ff1100000f050b80
[    9.448265][  T190] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.448471][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a829000
[    9.448680][  T190] FS:  00007f6e66880840(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[    9.448917][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.449088][  T190] CR2: 0000000000479648 CR3: 000000000debc003 CR4: 0000000000771ef0
[    9.449323][  T190] PKRU: 55555554
[    9.449430][  T190] Call Trace:
[    9.449533][  T190]  <TASK>
[    9.449609][  T190]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.449746][  T190]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.449884][  T190]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.449990][  T190]  register_netdevice (net/core/dev.c:11488)
[    9.450127][  T190]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.450295][  T190]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.450439][  T190]  register_netdev (net/core/dev.c:11552)
[    9.450573][  T190]  loopback_net_init (drivers/net/loopback.c:218)
[    9.450714][  T190]  ops_init (net/core/net_namespace.c:137)
[    9.450819][  T190]  setup_net (net/core/net_namespace.c:446)
[    9.450922][  T190]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.451056][  T190]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.451191][  T190]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.451329][  T190]  copy_net_ns (net/core/net_namespace.c:579)
[    9.451470][  T190]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.451613][  T190]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.451748][  T190]  ksys_unshare (kernel/fork.c:3243)
[    9.451884][  T190]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.452019][  T190]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.452157][  T190]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.452293][  T190]  ? __ia32_sys_open (fs/open.c:1374)
[    9.452435][  T190]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.452571][  T190]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.452711][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.452845][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.452983][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.453120][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.453287][  T190] RIP: 0033:0x7f6e66b42bcb
[    9.453433][  T190] 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
[    9.453916][  T190] RSP: 002b:00007fff0c6676f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.454120][  T190] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6e66b42bcb
[    9.454321][  T190] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.454526][  T190] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.454735][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0c669920
[    9.454937][  T190] R13: 0000000000000001 R14: 00007f6e668806f8 R15: 00007fff0c66b888
| [    9.459424][  T190] ------------[ cut here ]------------
| [    9.459583][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/190
| [    9.459823][  T190] Modules linked in:
| [    9.460238][  T190] Tainted: [W]=WARN
[    9.460341][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.460515][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.460697][  T190] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.461173][  T190] RSP: 0018:ffa0000000837918 EFLAGS: 00010286
[    9.461372][  T190] RAX: 00000000ffffffa6 RBX: ff1100000c7658c0 RCX: 1ff4000000106ee9
[    9.461574][  T190] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c76597c
[    9.461778][  T190] RBP: ff1100000a97c000 R08: 1fe22000018ecb31 R09: ff1100000f050b80
[    9.461979][  T190] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.462180][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a97c000
[    9.462387][  T190] FS:  00007f6e66880840(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[    9.462626][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.462794][  T190] CR2: 0000000000479648 CR3: 000000000debc003 CR4: 0000000000771ef0
[    9.462997][  T190] PKRU: 55555554
[    9.463099][  T190] Call Trace:
[    9.463200][  T190]  <TASK>
[    9.463268][  T190]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.463407][  T190]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.463541][  T190]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.463648][  T190]  register_netdevice (net/core/dev.c:11488)
[    9.463783][  T190]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.463951][  T190]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.464088][  T190]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.464223][  T190]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.464357][  T190]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.464497][  T190]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.464636][  T190]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.464772][  T190]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.464910][  T190]  ops_init (net/core/net_namespace.c:137)
[    9.465012][  T190]  setup_net (net/core/net_namespace.c:446)
[    9.465115][  T190]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.465247][  T190]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.465386][  T190]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.465521][  T190]  copy_net_ns (net/core/net_namespace.c:579)
[    9.465662][  T190]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.465799][  T190]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.465933][  T190]  ksys_unshare (kernel/fork.c:3243)
[    9.466067][  T190]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.466201][  T190]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.466333][  T190]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.466472][  T190]  ? __ia32_sys_open (fs/open.c:1374)
[    9.466615][  T190]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.466747][  T190]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.466880][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.467015][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.467150][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.467284][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.467456][  T190] RIP: 0033:0x7f6e66b42bcb
[    9.467595][  T190] 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
[    9.468072][  T190] RSP: 002b:00007fff0c6676f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.468272][  T190] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6e66b42bcb
[    9.468475][  T190] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.468677][  T190] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.468875][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0c669920
[    9.469075][  T190] R13: 0000000000000001 R14: 00007f6e668806f8 R15: 00007fff0c66b888
| [    9.473439][  T190] ------------[ cut here ]------------
| [    9.473591][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/190
| [    9.473925][  T190] Modules linked in:
| [    9.474300][  T190] Tainted: [W]=WARN
[    9.474497][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.474673][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.474848][  T190] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.475424][  T190] RSP: 0018:ffa00000008378f8 EFLAGS: 00010286
[    9.475594][  T190] RAX: 00000000ffffffa6 RBX: ff110000096b2740 RCX: 1ff4000000106ee5
[    9.475890][  T190] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096b27fc
[    9.476093][  T190] RBP: ff11000008da4000 R08: 1fe22000012d6501 R09: ff1100000f050b80
[    9.476387][  T190] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.476591][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008da4000
[    9.476819][  T190] FS:  00007f6e66880840(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[    9.477146][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.477316][  T190] CR2: 0000000000479648 CR3: 000000000debc003 CR4: 0000000000771ef0
[    9.477618][  T190] PKRU: 55555554
[    9.477719][  T190] Call Trace:
[    9.477824][  T190]  <TASK>
[    9.477894][  T190]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.478035][  T190]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.478170][  T190]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.478359][  T190]  register_netdevice (net/core/dev.c:11488)
[    9.478501][  T190]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.478678][  T190]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.478818][  T190]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.479042][  T190]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.479182][  T190]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.479317][  T190]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.479542][  T190]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.479684][  T190]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.479820][  T190]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.479956][  T190]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.480101][  T190]  ops_init (net/core/net_namespace.c:137)
[    9.480290][  T190]  setup_net (net/core/net_namespace.c:446)
[    9.480397][  T190]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.480530][  T190]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.480670][  T190]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.480893][  T190]  copy_net_ns (net/core/net_namespace.c:579)
[    9.481029][  T190]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.481176][  T190]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.481311][  T190]  ksys_unshare (kernel/fork.c:3243)
[    9.481449][  T190]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.481583][  T190]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.481722][  T190]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.481856][  T190]  ? __ia32_sys_open (fs/open.c:1374)
[    9.482081][  T190]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.482222][  T190]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.482359][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.482498][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.482724][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.482858][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.483025][  T190] RIP: 0033:0x7f6e66b42bcb
[    9.483173][  T190] 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
[    9.483758][  T190] RSP: 002b:00007fff0c6676f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.484051][  T190] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6e66b42bcb
[    9.484257][  T190] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.484467][  T190] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.484762][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0c669920
[    9.484961][  T190] R13: 0000000000000001 R14: 00007f6e668806f8 R15: 00007fff0c66b888
| [    9.489946][  T190] ------------[ cut here ]------------
| [    9.490092][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/190
| [    9.490319][  T190] Modules linked in:
| [    9.490748][  T190] Tainted: [W]=WARN
[    9.490884][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.491055][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.491228][  T190] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.491712][  T190] RSP: 0018:ffa0000000837a78 EFLAGS: 00010286
[    9.491975][  T190] RAX: 00000000ffffffa6 RBX: ff110000096b31c0 RCX: 1ff4000000106f15
[    9.492172][  T190] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096b327c
[    9.492373][  T190] RBP: ff110000059e1000 R08: 1fe22000012d6651 R09: ff1100000f050b80
[    9.492666][  T190] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.492868][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000059e1000
[    9.493155][  T190] FS:  00007f6e66880840(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[    9.493392][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.493558][  T190] CR2: 0000000000479648 CR3: 000000000debc003 CR4: 0000000000771ef0
[    9.493855][  T190] PKRU: 55555554
[    9.493959][  T190] Call Trace:
[    9.494059][  T190]  <TASK>
[    9.494128][  T190]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.494260][  T190]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.494484][  T190]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.494587][  T190]  register_netdevice (net/core/dev.c:11488)
[    9.494731][  T190]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.494904][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.495125][  T190]  register_netdev (net/core/dev.c:11552)
[    9.495257][  T190]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.495398][  T190]  ops_init (net/core/net_namespace.c:137)
[    9.495500][  T190]  setup_net (net/core/net_namespace.c:446)
[    9.495693][  T190]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.495831][  T190]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.495970][  T190]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.496105][  T190]  copy_net_ns (net/core/net_namespace.c:579)
[    9.496326][  T190]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.496468][  T190]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.496605][  T190]  ksys_unshare (kernel/fork.c:3243)
[    9.496738][  T190]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.496961][  T190]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.497101][  T190]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.497235][  T190]  ? __ia32_sys_open (fs/open.c:1374)
[    9.497374][  T190]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.497594][  T190]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.497731][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.497864][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.498004][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.498229][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.498400][  T190] RIP: 0033:0x7f6e66b42bcb
[    9.498540][  T190] 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
[    9.499112][  T190] RSP: 002b:00007fff0c6676f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.499315][  T190] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6e66b42bcb
[    9.499517][  T190] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.499719][  T190] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.499915][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0c669920
[    9.500209][  T190] R13: 0000000000000001 R14: 00007f6e668806f8 R15: 00007fff0c66b888
| [    9.504889][  T190] ------------[ cut here ]------------
| [    9.505035][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/190
| [    9.505353][  T190] Modules linked in:
| [    9.506245][  T190] Tainted: [W]=WARN
[    9.506345][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.506566][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.506748][  T190] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.507223][  T190] RSP: 0018:ffa0000000837a68 EFLAGS: 00010286
[    9.507447][  T190] RAX: 00000000ffffffa6 RBX: ff11000008fec040 RCX: 1ff4000000106f13
[    9.507711][  T190] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fec0fc
[    9.507918][  T190] RBP: ff11000008389000 R08: 1fe22000011fd821 R09: ff1100000f050b80
[    9.508116][  T190] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.508315][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008389000
[    9.508574][  T190] FS:  00007f6e66880840(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[    9.508818][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.508985][  T190] CR2: 0000000000479648 CR3: 000000000debc003 CR4: 0000000000771ef0
[    9.509185][  T190] PKRU: 55555554
[    9.509285][  T190] Call Trace:
[    9.509437][  T190]  <TASK>
[    9.509506][  T190]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.509650][  T190]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.509788][  T190]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.509890][  T190]  register_netdevice (net/core/dev.c:11488)
[    9.510025][  T190]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.510194][  T190]  register_netdev (net/core/dev.c:11552)
[    9.510327][  T190]  sit_init_net (net/ipv6/sit.c:1860)
[    9.510518][  T190]  ops_init (net/core/net_namespace.c:137)
[    9.510629][  T190]  setup_net (net/core/net_namespace.c:446)
[    9.510737][  T190]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.510870][  T190]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.511004][  T190]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.511141][  T190]  copy_net_ns (net/core/net_namespace.c:579)
[    9.511275][  T190]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.511464][  T190]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.511613][  T190]  ksys_unshare (kernel/fork.c:3243)
[    9.511746][  T190]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.511879][  T190]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.512013][  T190]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.512146][  T190]  ? __ia32_sys_open (fs/open.c:1374)
[    9.512282][  T190]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.512471][  T190]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.512619][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.512764][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.512897][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.513030][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.513195][  T190] RIP: 0033:0x7f6e66b42bcb
[    9.513483][  T190] 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
[    9.513968][  T190] RSP: 002b:00007fff0c6676f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.514168][  T190] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6e66b42bcb
[    9.514507][  T190] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.514718][  T190] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.514919][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0c669920
[    9.515117][  T190] R13: 0000000000000001 R14: 00007f6e668806f8 R15: 00007fff0c66b888
| [    9.526254][  T190] ------------[ cut here ]------------
| [    9.526502][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/190
| [    9.526740][  T190] Modules linked in:
| [    9.527119][  T190] Tainted: [W]=WARN
[    9.527221][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.527397][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.527582][  T190] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.528068][  T190] RSP: 0018:ffa0000000837a78 EFLAGS: 00010286
[    9.528239][  T190] RAX: 00000000ffffffa6 RBX: ff11000005656740 RCX: 1ff4000000106f15
[    9.528444][  T190] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056567fc
[    9.528649][  T190] RBP: ff1100000f089000 R08: 1fe2200000acad01 R09: ff1100000f050b80
[    9.528860][  T190] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.529060][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f089000
[    9.529261][  T190] FS:  00007f6e66880840(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[    9.529510][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.529687][  T190] CR2: 00007fcd6cde1690 CR3: 000000000debc003 CR4: 0000000000771ef0
[    9.529890][  T190] PKRU: 55555554
[    9.529991][  T190] Call Trace:
[    9.530093][  T190]  <TASK>
[    9.530164][  T190]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.530300][  T190]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.530443][  T190]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.530546][  T190]  register_netdevice (net/core/dev.c:11488)
[    9.530689][  T190]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.530856][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.530991][  T190]  register_netdev (net/core/dev.c:11552)
[    9.531126][  T190]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.531262][  T190]  ops_init (net/core/net_namespace.c:137)
[    9.531372][  T190]  setup_net (net/core/net_namespace.c:446)
[    9.531474][  T190]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.531612][  T190]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.531746][  T190]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.531880][  T190]  copy_net_ns (net/core/net_namespace.c:579)
[    9.532016][  T190]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.532153][  T190]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.532290][  T190]  ksys_unshare (kernel/fork.c:3243)
[    9.532430][  T190]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.532564][  T190]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.532703][  T190]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.532838][  T190]  ? __ia32_sys_open (fs/open.c:1374)
[    9.532976][  T190]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.533109][  T190]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.533245][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.533387][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.533522][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.533660][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.533824][  T190] RIP: 0033:0x7f6e66b42bcb
[    9.533964][  T190] 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
[    9.534444][  T190] RSP: 002b:00007fff0c6676f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.534650][  T190] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6e66b42bcb
[    9.534849][  T190] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.535047][  T190] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.535248][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0c669920
[    9.535453][  T190] R13: 0000000000000001 R14: 00007f6e668806f8 R15: 00007fff0c66b888
| [    9.603863][  T193] ------------[ cut here ]------------
| [    9.604026][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [    9.604269][  T193] Modules linked in:
| [    9.604659][  T193] Tainted: [W]=WARN
[    9.604760][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.604927][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.605109][  T193] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.605595][  T193] RSP: 0018:ffa0000000907020 EFLAGS: 00010286
[    9.605766][  T193] RAX: 00000000ffffffa6 RBX: ff110000057a18c0 RCX: 1ff4000000120dca
[    9.605967][  T193] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057a197c
[    9.606164][  T193] RBP: ff1100000a829000 R08: 1fe2200000af4331 R09: ff1100000f168b58
[    9.606368][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.606566][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.606770][  T193] FS:  00007fb0b77ac840(0000) GS:ff110000d12c7000(0000) knlGS:0000000000000000
[    9.607008][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.607175][  T193] CR2: 0000000034d94988 CR3: 00000000099a8002 CR4: 0000000000771ef0
[    9.607468][  T193] PKRU: 55555554
[    9.607569][  T193] Call Trace:
[    9.607676][  T193]  <TASK>
[    9.607746][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.607884][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.607985][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.608119][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.608256][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.608477][  T193]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.608617][  T193]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.608750][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.608890][  T193]  ? 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))
[    9.609026][  T193]  netif_change_flags (net/core/dev.c:9820)
[    9.609160][  T193]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.609295][  T193]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.609453][  T193]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.609590][  T193]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.609763][  T193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.609900][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.610034][  T193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.610168][  T193]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.610305][  T193]  ? __kernel_text_address (kernel/extable.c:79)
[    9.610442][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.610578][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.610717][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.610852][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.610985][  T193]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.611116][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.611249][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.611390][  T193]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.611524][  T193]  ? __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)
[    9.611664][  T193]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.611798][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.611933][  T193]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.612069][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.612207][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.612342][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.612478][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.612616][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.612749][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.612882][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.613019][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.613152][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.613286][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.613426][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.613559][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.613696][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.613830][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.613965][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.614096][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.614230][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.614368][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.614502][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.614639][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.614773][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.614909][  T193]  ? 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))
[    9.615044][  T193]  ? 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))
[    9.615179][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.615312][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.615454][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.615589][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.615729][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.615863][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.616000][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.616134][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.616266][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.616437][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.616572][  T193]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.616709][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.616843][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.616979][  T193]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.617145][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.617292][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.617432][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.617567][  T193]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.617739][  T193]  ? 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)
[    9.617873][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.618010][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.618143][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.618277][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.618414][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.618579][  T193] RIP: 0033:0x7fb0b79e608e
[    9.618723][  T193] 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
[    9.619196][  T193] RSP: 002b:00007fffcc131340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.619401][  T193] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb0b79e608e
[    9.619603][  T193] RDX: 0000000000000000 RSI: 00007fffcc1313f0 RDI: 0000000000000003
[    9.619803][  T193] RBP: 00007fffcc131350 R08: 0000000000000000 R09: 0000000000000000
[    9.620001][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e85c
[    9.620200][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcc131ac0
| [    9.778119][  T189] ------------[ cut here ]------------
| [    9.778475][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [    9.778913][  T189] Modules linked in: netdevsim psample
| [    9.779585][  T189] Tainted: [W]=WARN
[    9.779766][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.780034][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.780297][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.780956][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[    9.781217][  T189] RAX: 00000000ffffffa6 RBX: ff110000057a1540 RCX: 1ff4000000114e66
[    9.781524][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057a15fc
[    9.781827][  T189] RBP: ff1100000f88a000 R08: 1fe2200000af42c1 R09: ff1100000ea4d248
[    9.782120][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.782429][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f88a000
[    9.782752][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[    9.783092][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.783350][  T189] CR2: 00007feafff7f808 CR3: 00000000021d3001 CR4: 0000000000771ef0
[    9.783685][  T189] PKRU: 55555554
[    9.783858][  T189] Call Trace:
[    9.784032][  T189]  <TASK>
[    9.784168][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.784404][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.784580][  T189]  register_netdevice (net/core/dev.c:11488)
[    9.784807][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.785068][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.785333][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.785565][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.785833][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.786049][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.786306][  T189]  ? 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))
[    9.786536][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.786724][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.786949][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.787213][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    9.787448][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    9.787671][  T189]  call_driver_probe (drivers/base/dd.c:629)
[    9.787888][  T189]  really_probe (drivers/base/dd.c:709)
[    9.788104][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[    9.788316][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[    9.788548][  T189]  driver_probe_device (drivers/base/dd.c:901)
[    9.788774][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[    9.788989][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[    9.789206][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    9.789436][  T189]  __device_attach (drivers/base/dd.c:1101)
[    9.789665][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.789884][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    9.790145][  T189]  ? 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)
[    9.790376][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    9.790594][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[    9.790825][  T189]  bus_probe_device (drivers/base/bus.c:613)
[    9.791043][  T189]  device_add (drivers/base/core.c:3706)
[    9.791259][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    9.791531][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    9.791757][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    9.791982][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    9.792243][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.792472][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    9.792736][  T189]  ? 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))
[    9.792956][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.793180][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.793410][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.793636][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.793812][  T189]  new_sync_write (fs/read_write.c:595)
[    9.794030][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.794246][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.794477][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.794706][  T189]  ? ksys_write (fs/read_write.c:740)
[    9.794932][  T189]  vfs_write (fs/read_write.c:688)
[    9.795114][  T189]  ksys_write (fs/read_write.c:740)
[    9.795291][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.795522][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[    9.795749][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.795972][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.796191][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.796428][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.796655][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.796912][  T189] RIP: 0033:0x7f11a01cd08e
[    9.797138][  T189] 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
[    9.797800][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.798104][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[    9.798414][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7d60 RDI: 0000000000000006
[    9.798720][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[    9.799022][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[    9.799320][  T189] R13: 000055b38c8f7d60 R14: 0000000000000006 R15: 00007f119ffd10d0
| [    9.956076][  T189] ------------[ cut here ]------------
| [    9.956451][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [    9.956887][  T189] Modules linked in: netdevsim psample
| [    9.957620][  T189] Tainted: [W]=WARN
[    9.957804][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.958074][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.958348][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.959016][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[    9.959290][  T189] RAX: 00000000ffffffa6 RBX: ff1100000c74fe00 RCX: 1ff4000000114e66
[    9.959621][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c74febc
[    9.959951][  T189] RBP: ff11000009bca000 R08: 1fe22000018e9fd9 R09: ff1100000ea4d248
[    9.960252][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.960564][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009bca000
[    9.960884][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[    9.961251][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.961528][  T189] CR2: 00007f119f610024 CR3: 00000000021d3001 CR4: 0000000000771ef0
[    9.961856][  T189] PKRU: 55555554
[    9.962033][  T189] Call Trace:
[    9.962207][  T189]  <TASK>
[    9.962355][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.962616][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.962795][  T189]  register_netdevice (net/core/dev.c:11488)
[    9.963032][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.963312][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.963640][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.963869][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.964147][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.964394][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.964674][  T189]  ? 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))
[    9.964893][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.965082][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.965304][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.965594][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    9.965839][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    9.966086][  T189]  call_driver_probe (drivers/base/dd.c:629)
[    9.966313][  T189]  really_probe (drivers/base/dd.c:709)
[    9.966544][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[    9.966784][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[    9.967011][  T189]  driver_probe_device (drivers/base/dd.c:901)
[    9.967248][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[    9.967484][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[    9.967717][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    9.967953][  T189]  __device_attach (drivers/base/dd.c:1101)
[    9.968188][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.968430][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    9.968694][  T189]  ? 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)
[    9.968925][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    9.969147][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[    9.969380][  T189]  bus_probe_device (drivers/base/bus.c:613)
[    9.969609][  T189]  device_add (drivers/base/core.c:3706)
[    9.969838][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    9.970107][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    9.970332][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    9.970723][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    9.970992][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.971220][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    9.971495][  T189]  ? 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))
[    9.971732][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.971955][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.972178][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.972419][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.972595][  T189]  new_sync_write (fs/read_write.c:595)
[    9.972849][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.973087][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.973316][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.973546][  T189]  ? ksys_write (fs/read_write.c:740)
[    9.973786][  T189]  vfs_write (fs/read_write.c:688)
[    9.973977][  T189]  ksys_write (fs/read_write.c:740)
[    9.974163][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.974393][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[    9.974628][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.974852][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.975078][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.975307][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.975541][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.975814][  T189] RIP: 0033:0x7f11a01cd08e
[    9.976038][  T189] 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
[    9.976720][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.977038][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[    9.977333][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7d60 RDI: 0000000000000006
[    9.977778][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[    9.978090][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[    9.978419][  T189] R13: 000055b38c8f7d60 R14: 0000000000000006 R15: 00007f119ffd10d0
| [   10.261703][  T189] ------------[ cut here ]------------
| [   10.261930][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   10.262315][  T189] Modules linked in: netdevsim psample
| [   10.262823][  T189] Tainted: [W]=WARN
[   10.262931][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.263118][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.263304][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.263840][  T189] RSP: 0018:ffa00000008a6f90 EFLAGS: 00010286
[   10.264025][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e03ae40 RCX: 1ff4000000114db8
[   10.264241][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e03aefc
[   10.264464][  T189] RBP: ff1100000f352000 R08: 1fe2200001c075e1 R09: ff1100000ea4d1a8
[   10.264680][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000080
[   10.264892][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.265107][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   10.265360][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.265576][  T189] CR2: 00007f5ffe4dd2a0 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   10.265804][  T189] PKRU: 55555554
[   10.265912][  T189] Call Trace:
[   10.266025][  T189]  <TASK>
[   10.266102][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.266249][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.266405][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   10.266554][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.266673][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.266816][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   10.266960][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.267107][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   10.267249][  T189]  ? __dev_change_flags (net/core/dev.c:9739)
[   10.267399][  T189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.267546][  T189]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.267702][  T189]  netif_change_flags (net/core/dev.c:9820)
[   10.267846][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:67)
[   10.267988][  T189]  dev_change_flags (net/core/dev_api.c:68)
[   10.268136][  T189]  netkit_new_link (drivers/net/netkit.c:631)
[   10.268289][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   10.268446][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.268594][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   10.268742][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.268907][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.269052][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   10.269193][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.269337][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.269484][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.269633][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.269778][  T189]  ? __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)
[   10.269919][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.270066][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.270215][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.270361][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.270508][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.270654][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.270796][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.270938][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.271087][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.271233][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.271379][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.271522][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.271667][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.271811][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.271955][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.272100][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.272244][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.272394][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.272549][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.272698][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.272846][  T189]  ? 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))
[   10.272988][  T189]  ? 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))
[   10.273138][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.273282][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.273429][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   10.273571][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   10.273721][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.273867][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.274010][  T189]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   10.274158][  T189]  ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[   10.274302][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   10.274450][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   10.274605][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   10.274750][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   10.274893][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.275072][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.275215][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.275359][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.275506][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.275650][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.275792][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.275976][  T189] RIP: 0033:0x7f11a01cd08e
[   10.276125][  T189] 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
[   10.276634][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.276848][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   10.277059][  T189] RDX: 0000000000000054 RSI: 00007f119f631750 RDI: 0000000000000006
[   10.277269][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   10.277486][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f58fcb0
[   10.277707][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   10.279471][  T189] ------------[ cut here ]------------
| [   10.279717][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   10.279990][  T189] Modules linked in: netdevsim psample
| [   10.280994][  T189] Tainted: [W]=WARN
[   10.281103][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.281275][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.281521][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.282030][  T189] RSP: 0018:ffa00000008a6fb0 EFLAGS: 00010286
[   10.282203][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e03b000 RCX: 1ff4000000114dbc
[   10.282468][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e03b0bc
[   10.282679][  T189] RBP: ff1100000f352000 R08: 1fe2200001c07619 R09: ff1100000ea4d180
[   10.282886][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.283091][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.283297][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   10.283595][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.283781][  T189] CR2: 00007f5ffe4dd2a0 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   10.283988][  T189] PKRU: 55555554
[   10.284092][  T189] Call Trace:
[   10.284195][  T189]  <TASK>
[   10.284267][  T189]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3912)
[   10.284466][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.284610][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.284717][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   10.284869][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   10.285008][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   10.285146][  T189]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1177 (discriminator 6))
[   10.285285][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.285481][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.285624][  T189]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.285771][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:48 net/core/dev_api.c:70)
[   10.285909][  T189]  netkit_new_link (drivers/net/netkit.c:633)
[   10.286053][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   10.286196][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.286334][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   10.286530][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.286692][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.286838][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   10.286995][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.287137][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.287286][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.287496][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.287646][  T189]  ? __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)
[   10.287784][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.287927][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.288068][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.288216][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.288360][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.288607][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.288746][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.288889][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.289028][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.289172][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.289313][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.289543][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.289689][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.289827][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.289967][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.290114][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.290252][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.290482][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.290627][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.290772][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.290918][  T189]  ? 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))
[   10.291059][  T189]  ? 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))
[   10.291198][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.291339][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.291528][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   10.291681][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   10.291821][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.291963][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.292111][  T189]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   10.292248][  T189]  ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[   10.292398][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   10.292539][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   10.292692][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   10.292835][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   10.292974][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.293149][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.293288][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.293431][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.293570][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.293714][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.293853][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.294025][  T189] RIP: 0033:0x7f11a01cd08e
[   10.294171][  T189] 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
[   10.294675][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.294892][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   10.295100][  T189] RDX: 0000000000000054 RSI: 00007f119f631750 RDI: 0000000000000006
[   10.295307][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   10.295516][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f58fcb0
[   10.295730][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   10.301583][  T189] ------------[ cut here ]------------
| [   10.301759][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   10.302040][  T189] Modules linked in: netdevsim psample
| [   10.303024][  T189] Tainted: [W]=WARN
[   10.303140][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.303316][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.303574][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.304155][  T189] RSP: 0018:ffa00000008a6f90 EFLAGS: 00010286
[   10.304337][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e03be00 RCX: 1ff4000000114db8
[   10.304613][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e03bebc
[   10.304824][  T189] RBP: ff1100000f382000 R08: 1fe2200001c077d9 R09: ff1100000ea4d1a8
[   10.305036][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000080
[   10.305251][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.305522][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   10.305774][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.305949][  T189] CR2: 00007f5ffe4dd2a0 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   10.306173][  T189] PKRU: 55555554
[   10.306285][  T189] Call Trace:
[   10.306448][  T189]  <TASK>
[   10.306546][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.306695][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.306837][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   10.306983][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.307092][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.307238][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   10.307442][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.307584][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   10.307729][  T189]  ? __dev_change_flags (net/core/dev.c:9739)
[   10.307871][  T189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.308022][  T189]  netif_change_flags (net/core/dev.c:9820)
[   10.308165][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:67)
[   10.308313][  T189]  dev_change_flags (net/core/dev_api.c:68)
[   10.308514][  T189]  netkit_new_link (drivers/net/netkit.c:666)
[   10.308663][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   10.308805][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.308947][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   10.309087][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.309248][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.309455][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   10.309603][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.309747][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.309891][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.310036][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.310178][  T189]  ? __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)
[   10.310320][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.310521][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.310672][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.310818][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.310963][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.311103][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.311247][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.311453][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.311617][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.311768][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.311912][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.312056][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.312197][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.312424][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.312569][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.312718][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.312862][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.313007][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.313150][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.313291][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.313496][  T189]  ? 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))
[   10.313650][  T189]  ? 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))
[   10.313796][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.313939][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.314090][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   10.314233][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   10.314431][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.314575][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.314723][  T189]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   10.314866][  T189]  ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[   10.315009][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   10.315155][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   10.315306][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   10.315508][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   10.315657][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.315836][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.315976][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.316123][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.316267][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.316470][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.316618][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.316792][  T189] RIP: 0033:0x7f11a01cd08e
[   10.316940][  T189] 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
[   10.317523][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.317743][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   10.317954][  T189] RDX: 0000000000000054 RSI: 00007f119f631750 RDI: 0000000000000006
[   10.318168][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   10.318437][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f58fcb0
[   10.318668][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   10.320815][  T189] ------------[ cut here ]------------
| [   10.320957][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   10.321226][  T189] Modules linked in: netdevsim psample
| [   10.321664][  T189] Tainted: [W]=WARN
[   10.321769][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.321943][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.322122][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.322622][  T189] RSP: 0018:ffa00000008a73a0 EFLAGS: 00010286
[   10.322798][  T189] RAX: 00000000ffffffa6 RBX: ff1100000a2e2200 RCX: 1ff4000000114e3a
[   10.323007][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2e22bc
[   10.323211][  T189] RBP: ff1100000f382000 R08: 1fe220000145c459 R09: ff1100000ea4d1a8
[   10.323419][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.323626][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.323830][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   10.324067][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.324239][  T189] CR2: 00007f5ffe4dd2a0 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   10.324462][  T189] PKRU: 55555554
[   10.324566][  T189] Call Trace:
[   10.324674][  T189]  <TASK>
[   10.324745][  T189]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.324883][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.325020][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.325158][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.325263][  T189]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   10.325409][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   10.325550][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   10.325693][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.325835][  T189]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.325974][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.326121][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.326256][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.326402][  T189]  ? __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)
[   10.326540][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.326684][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.326829][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.326969][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.327113][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.327249][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.327390][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.327528][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.327669][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.327812][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.327949][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.328094][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.328235][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.328378][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.328514][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.328658][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.328794][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.328943][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.329080][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.329217][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.329412][  T189]  ? 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))
[   10.329552][  T189]  ? 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))
[   10.329694][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.329833][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.329970][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   10.330110][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   10.330248][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.330456][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.330595][  T189]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   10.330739][  T189]  ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[   10.330880][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   10.331019][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   10.331168][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   10.331313][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   10.331519][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.331695][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.331832][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.331980][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.332118][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.332255][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.332451][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.332627][  T189] RIP: 0033:0x7f11a01cd08e
[   10.332770][  T189] 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
[   10.333262][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.333528][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   10.333738][  T189] RDX: 0000000000000054 RSI: 00007f119f631750 RDI: 0000000000000006
[   10.333946][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   10.334153][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f58fcb0
[   10.334358][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   10.379730][  T189] ------------[ cut here ]------------
| [   10.379968][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   10.380338][  T189] Modules linked in: netdevsim psample
| [   10.381031][  T189] Tainted: [W]=WARN
[   10.381170][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.381420][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.381652][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.382319][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   10.383259][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e008740 RCX: 1ff4000000114e66
[   10.383607][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e0087fc
[   10.383861][  T189] RBP: ff1100000eb2a000 R08: 1fe2200001c01101 R09: ff1100000ea4d248
[   10.384113][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.384452][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb2a000
[   10.384741][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   10.385042][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.385254][  T189] CR2: 00007fd69df62574 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   10.385591][  T189] PKRU: 55555554
[   10.385731][  T189] Call Trace:
[   10.385859][  T189]  <TASK>
[   10.385947][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.386129][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.386256][  T189]  register_netdevice (net/core/dev.c:11488)
[   10.386503][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.386723][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   10.386950][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   10.387123][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   10.387337][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.387586][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   10.387813][  T189]  ? 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))
[   10.387988][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   10.388122][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.388307][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   10.388619][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   10.388795][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   10.388969][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   10.389145][  T189]  really_probe (drivers/base/dd.c:709)
[   10.389319][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   10.389566][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   10.389742][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   10.389913][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   10.390086][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   10.390255][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   10.390503][  T189]  __device_attach (drivers/base/dd.c:1101)
[   10.390809][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.390985][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   10.391322][  T189]  ? 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)
[   10.391694][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   10.391982][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   10.392151][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   10.392323][  T189]  device_add (drivers/base/core.c:3706)
[   10.392564][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   10.392782][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   10.392951][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   10.393125][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   10.393339][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.393584][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   10.393874][  T189]  ? 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))
[   10.394046][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   10.394331][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   10.394569][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   10.394854][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   10.394981][  T189]  new_sync_write (fs/read_write.c:595)
[   10.395146][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.395505][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   10.395789][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.395958][  T189]  ? ksys_write (fs/read_write.c:740)
[   10.396127][  T189]  vfs_write (fs/read_write.c:688)
[   10.396258][  T189]  ksys_write (fs/read_write.c:740)
[   10.396453][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   10.396636][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   10.396920][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.397087][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.397256][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.397489][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.397779][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.397986][  T189] RIP: 0033:0x7f11a01cd08e
[   10.398156][  T189] 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
[   10.398816][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   10.399062][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   10.399309][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7db0 RDI: 0000000000000007
[   10.399628][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   10.399876][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   10.400119][  T189] R13: 000055b38c8f7db0 R14: 0000000000000007 R15: 00007f119ffd10d0
| [   10.579295][  T189] ------------[ cut here ]------------
| [   10.579612][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   10.579977][  T189] Modules linked in: netdevsim psample
| [   10.580655][  T189] Tainted: [W]=WARN
[   10.580785][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.580992][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.581208][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.581843][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   10.582059][  T189] RAX: 00000000ffffffa6 RBX: ff1100000f1ca3c0 RCX: 1ff4000000114e66
[   10.582332][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1ca47c
[   10.582656][  T189] RBP: ff1100000b00a000 R08: 1fe2200001e39491 R09: ff1100000ea4d248
[   10.582906][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.583160][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b00a000
[   10.583411][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   10.583705][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.583909][  T189] CR2: 000055bedaf1fb78 CR3: 00000000021d3006 CR4: 0000000000771ef0
[   10.584158][  T189] PKRU: 55555554
[   10.584282][  T189] Call Trace:
[   10.584411][  T189]  <TASK>
[   10.584501][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.584675][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.584799][  T189]  register_netdevice (net/core/dev.c:11488)
[   10.584979][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.585194][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   10.585412][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   10.585577][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   10.585792][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.585989][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   10.586196][  T189]  ? 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))
[   10.586374][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   10.586497][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.586673][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   10.586884][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   10.587061][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   10.587226][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   10.587397][  T189]  really_probe (drivers/base/dd.c:709)
[   10.587560][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   10.587728][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   10.587896][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   10.588067][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   10.588237][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   10.588408][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   10.588574][  T189]  __device_attach (drivers/base/dd.c:1101)
[   10.588741][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.588909][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   10.589110][  T189]  ? 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)
[   10.589273][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   10.589443][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   10.589611][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   10.589775][  T189]  device_add (drivers/base/core.c:3706)
[   10.589938][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   10.590147][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   10.590309][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   10.590480][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   10.590691][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.590860][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   10.591064][  T189]  ? 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))
[   10.591247][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   10.591418][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   10.591579][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   10.591746][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   10.591869][  T189]  new_sync_write (fs/read_write.c:595)
[   10.592034][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.592204][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   10.592376][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.592539][  T189]  ? ksys_write (fs/read_write.c:740)
[   10.592756][  T189]  vfs_write (fs/read_write.c:688)
[   10.592889][  T189]  ksys_write (fs/read_write.c:740)
[   10.593014][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   10.593178][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   10.593341][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.593539][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.593736][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   10.593907][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.594108][  T189] RIP: 0033:0x7f11a01cd08e
[   10.594282][  T189] 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
[   10.594877][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   10.595384][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   10.595639][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7db0 RDI: 0000000000000007
[   10.595889][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   10.596131][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   10.596388][  T189] R13: 000055b38c8f7db0 R14: 0000000000000007 R15: 00007f119ffd10d0
| [   10.849746][  T189] ------------[ cut here ]------------
| [   10.850037][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   10.850381][  T189] Modules linked in: netdevsim psample
| [   10.851040][  T189] Tainted: [W]=WARN
[   10.851167][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.851429][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.851648][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.852239][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   10.852537][  T189] RAX: 00000000ffffffa6 RBX: ff1100000973da80 RCX: 1ff4000000114e66
[   10.852797][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000973db3c
[   10.853052][  T189] RBP: ff110000099ba000 R08: 1fe22000012e7b69 R09: ff1100000ea4d248
[   10.853296][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.853649][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000099ba000
[   10.853903][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   10.854200][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.854411][  T189] CR2: 00007fdf9bc848f4 CR3: 00000000021d3006 CR4: 0000000000771ef0
[   10.854665][  T189] PKRU: 55555554
[   10.854798][  T189] Call Trace:
[   10.854921][  T189]  <TASK>
[   10.855016][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.855183][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.855306][  T189]  register_netdevice (net/core/dev.c:11488)
[   10.855477][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.855695][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   10.855907][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   10.856072][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   10.856278][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.856448][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   10.856657][  T189]  ? 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))
[   10.856823][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   10.856947][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.857120][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   10.857339][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   10.857513][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   10.857681][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   10.857845][  T189]  really_probe (drivers/base/dd.c:709)
[   10.858018][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   10.858190][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   10.858355][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   10.858523][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   10.858694][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   10.858859][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   10.859033][  T189]  __device_attach (drivers/base/dd.c:1101)
[   10.859216][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.859383][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   10.859587][  T189]  ? 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)
[   10.859758][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   10.859930][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   10.860093][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   10.860257][  T189]  device_add (drivers/base/core.c:3706)
[   10.860428][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   10.860636][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   10.860799][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   10.860974][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   10.861179][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.861341][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   10.861548][  T189]  ? 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))
[   10.861719][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   10.861882][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   10.862044][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   10.862207][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   10.862330][  T189]  new_sync_write (fs/read_write.c:595)
[   10.862500][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.862667][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   10.862830][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.862992][  T189]  ? ksys_write (fs/read_write.c:740)
[   10.863161][  T189]  vfs_write (fs/read_write.c:688)
[   10.863286][  T189]  ksys_write (fs/read_write.c:740)
[   10.863414][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   10.863576][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   10.863745][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.863910][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.864074][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   10.864237][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.864444][  T189] RIP: 0033:0x7f11a01cd08e
[   10.864621][  T189] 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
[   10.865199][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   10.865449][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   10.865695][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7db0 RDI: 0000000000000007
[   10.865938][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   10.866180][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   10.866427][  T189] R13: 000055b38c8f7db0 R14: 0000000000000007 R15: 00007f119ffd10d0
| [   11.033687][  T189] ------------[ cut here ]------------
| [   11.033970][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   11.034341][  T189] Modules linked in: netdevsim psample
| [   11.034913][  T189] Tainted: [W]=WARN
[   11.035036][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.035256][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.035520][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.036124][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   11.036334][  T189] RAX: 00000000ffffffa6 RBX: ff1100000c765e00 RCX: 1ff4000000114e66
[   11.036585][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c765ebc
[   11.036835][  T189] RBP: ff110000024b2000 R08: 1fe22000018ecbd9 R09: ff1100000ea4d248
[   11.037081][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.037350][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000024b2000
[   11.037643][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   11.037934][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.038139][  T189] CR2: 00007f07d5df6388 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   11.038406][  T189] PKRU: 55555554
[   11.038534][  T189] Call Trace:
[   11.038740][  T189]  <TASK>
[   11.038828][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.039024][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.039147][  T189]  register_netdevice (net/core/dev.c:11488)
[   11.039315][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.039534][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   11.039760][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   11.039927][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   11.040136][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.040310][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   11.040519][  T189]  ? 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))
[   11.040689][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.040816][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.040983][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   11.041189][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   11.041361][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   11.041531][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   11.041702][  T189]  really_probe (drivers/base/dd.c:709)
[   11.041871][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   11.042033][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   11.042196][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   11.042358][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   11.042543][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   11.042717][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   11.042882][  T189]  __device_attach (drivers/base/dd.c:1101)
[   11.043055][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.043217][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   11.043441][  T189]  ? 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)
[   11.043607][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   11.043771][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   11.043938][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   11.044101][  T189]  device_add (drivers/base/core.c:3706)
[   11.044272][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   11.044481][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   11.044646][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   11.044813][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   11.045014][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.045182][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   11.045391][  T189]  ? 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))
[   11.045561][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.045728][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.045890][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.046052][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.046174][  T189]  new_sync_write (fs/read_write.c:595)
[   11.046345][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.046519][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.046691][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.046865][  T189]  ? ksys_write (fs/read_write.c:740)
[   11.047034][  T189]  vfs_write (fs/read_write.c:688)
[   11.047166][  T189]  ksys_write (fs/read_write.c:740)
[   11.047300][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.047475][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   11.047655][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.047829][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.047995][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   11.048159][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.048367][  T189] RIP: 0033:0x7f11a01cd08e
[   11.048542][  T189] 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
[   11.049142][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.049424][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   11.049680][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7db0 RDI: 0000000000000007
[   11.049935][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   11.050181][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   11.050434][  T189] R13: 000055b38c8f7db0 R14: 0000000000000007 R15: 00007f119ffd10d0
| [   11.271313][  T189] ------------[ cut here ]------------
| [   11.271543][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   11.271853][  T189] Modules linked in: netdevsim psample
| [   11.272341][  T189] Tainted: [W]=WARN
[   11.272452][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.272644][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.272826][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.273341][  T189] RSP: 0018:ffa00000008a6f90 EFLAGS: 00010286
[   11.273532][  T189] RAX: 00000000ffffffa6 RBX: ff1100000c764e40 RCX: 1ff4000000114db8
[   11.273752][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c764efc
[   11.273966][  T189] RBP: ff1100000f1da000 R08: 1fe22000018ec9e1 R09: ff1100000ea4d1a8
[   11.274189][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000080
[   11.274413][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.274641][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   11.274909][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.275096][  T189] CR2: 00007f119f612010 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   11.275314][  T189] PKRU: 55555554
[   11.275431][  T189] Call Trace:
[   11.275538][  T189]  <TASK>
[   11.275616][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.275761][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.275906][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   11.276059][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.276166][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.276323][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   11.276489][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.276636][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   11.276777][  T189]  ? __dev_change_flags (net/core/dev.c:9739)
[   11.276946][  T189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.277115][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.277257][  T189]  netif_change_flags (net/core/dev.c:9820)
[   11.277406][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:67)
[   11.277545][  T189]  dev_change_flags (net/core/dev_api.c:68)
[   11.277707][  T189]  netkit_new_link (drivers/net/netkit.c:631)
[   11.277862][  T189]  ? irq_matrix_available (kernel/irq/matrix.c:461)
[   11.278018][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   11.278159][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.278301][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   11.278447][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.278613][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.278764][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   11.278903][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.279058][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.279208][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.279358][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.279509][  T189]  ? __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)
[   11.279662][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.279815][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.279976][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.280128][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.280290][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.280439][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.280597][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.280740][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.280880][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.281026][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.281168][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.281314][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.281459][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.281598][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.281781][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.281927][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.282067][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.282214][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.282366][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.282509][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.282663][  T189]  ? 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))
[   11.282813][  T189]  ? 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))
[   11.282963][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.283106][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.283245][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   11.283390][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   11.283536][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.283692][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.283839][  T189]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   11.283993][  T189]  ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[   11.284136][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   11.284293][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   11.284461][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   11.284615][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   11.284769][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.284951][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.285095][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.285237][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.285386][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.285529][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.285673][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.285876][  T189] RIP: 0033:0x7f11a01cd08e
[   11.286043][  T189] 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
[   11.286556][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.286771][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   11.286993][  T189] RDX: 0000000000000054 RSI: 00007f119f662650 RDI: 0000000000000007
[   11.287209][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   11.287433][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77ec80
[   11.287654][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   11.289347][  T189] ------------[ cut here ]------------
| [   11.289496][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   11.289772][  T189] Modules linked in: netdevsim psample
| [   11.290214][  T189] Tainted: [W]=WARN
[   11.290320][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.290497][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.290686][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.291182][  T189] RSP: 0018:ffa00000008a6fb0 EFLAGS: 00010286
[   11.291370][  T189] RAX: 00000000ffffffa6 RBX: ff1100000c275c40 RCX: 1ff4000000114dbc
[   11.291576][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c275cfc
[   11.291796][  T189] RBP: ff1100000f1da000 R08: 1fe220000184eba1 R09: ff1100000ea4d180
[   11.292014][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.292230][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.292469][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   11.292734][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.292923][  T189] CR2: 00007f119f612010 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   11.293130][  T189] PKRU: 55555554
[   11.293240][  T189] Call Trace:
[   11.293353][  T189]  <TASK>
[   11.293434][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.293574][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.293721][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.293839][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   11.293989][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   11.294138][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   11.294281][  T189]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1177 (discriminator 6))
[   11.294424][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.294567][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.294719][  T189]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.294861][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:48 net/core/dev_api.c:70)
[   11.294999][  T189]  netkit_new_link (drivers/net/netkit.c:633)
[   11.295150][  T189]  ? irq_matrix_available (kernel/irq/matrix.c:461)
[   11.295301][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   11.295444][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.295593][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   11.295742][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.295908][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.296057][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   11.296197][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.296336][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.296487][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.296630][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.296768][  T189]  ? __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)
[   11.296905][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.297045][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.297183][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.297331][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.297511][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.297677][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.297816][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.297966][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.298121][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.298261][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.298405][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.298544][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.298688][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.298835][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.298981][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.299137][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.299281][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.299435][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.299576][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.299734][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.299875][  T189]  ? 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))
[   11.300028][  T189]  ? 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))
[   11.300173][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.300323][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.300473][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   11.300637][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   11.300777][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.300933][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.301072][  T189]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   11.301216][  T189]  ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[   11.301360][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   11.301507][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   11.301662][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   11.301806][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   11.301947][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.302118][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.302267][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.302410][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.302547][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.302699][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.302842][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.303031][  T189] RIP: 0033:0x7f11a01cd08e
[   11.303189][  T189] 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
[   11.303699][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.303909][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   11.304121][  T189] RDX: 0000000000000054 RSI: 00007f119f662650 RDI: 0000000000000007
[   11.304334][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   11.304544][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77ec80
[   11.304774][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   11.309213][  T189] ------------[ cut here ]------------
| [   11.309402][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   11.309702][  T189] Modules linked in: netdevsim psample
| [   11.310198][  T189] Tainted: [W]=WARN
[   11.310318][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.310521][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.310715][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.311222][  T189] RSP: 0018:ffa00000008a6f90 EFLAGS: 00010286
[   11.311416][  T189] RAX: 00000000ffffffa6 RBX: ff110000096b2200 RCX: 1ff4000000114db8
[   11.311632][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096b22bc
[   11.311848][  T189] RBP: ff110000099ca000 R08: 1fe22000012d6459 R09: ff1100000ea4d1a8
[   11.312064][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000080
[   11.312286][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.312517][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   11.312779][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.312954][  T189] CR2: 00007f119f612010 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   11.313169][  T189] PKRU: 55555554
[   11.313280][  T189] Call Trace:
[   11.313399][  T189]  <TASK>
[   11.313483][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.313644][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.313801][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   11.313957][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.314063][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.314202][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   11.314348][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.314506][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   11.314656][  T189]  ? __dev_change_flags (net/core/dev.c:9739)
[   11.314813][  T189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.314961][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.315112][  T189]  netif_change_flags (net/core/dev.c:9820)
[   11.315261][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:67)
[   11.315410][  T189]  dev_change_flags (net/core/dev_api.c:68)
[   11.315566][  T189]  netkit_new_link (drivers/net/netkit.c:666)
[   11.315709][  T189]  ? irq_matrix_available (kernel/irq/matrix.c:461)
[   11.315858][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   11.315999][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.316142][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   11.316293][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.316468][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.316617][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   11.316766][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.316914][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.317060][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.317206][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.317351][  T189]  ? __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)
[   11.317510][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.317661][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.317805][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.317966][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.318108][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.318256][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.318407][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.318557][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.318707][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.318858][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.319000][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.319155][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.319300][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.319445][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.319590][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.319746][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.319898][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.320059][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.320212][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.320358][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.320512][  T189]  ? 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))
[   11.320657][  T189]  ? 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))
[   11.320805][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.320951][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.321092][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   11.321236][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   11.321382][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.321536][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.321692][  T189]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   11.321834][  T189]  ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[   11.321976][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   11.322120][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   11.322284][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   11.322967][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   11.323126][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.323306][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.323513][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.323658][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.323812][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.323954][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.324096][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.324277][  T189] RIP: 0033:0x7f11a01cd08e
[   11.324483][  T189] 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
[   11.325002][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.325273][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   11.325542][  T189] RDX: 0000000000000054 RSI: 00007f119f662650 RDI: 0000000000000007
[   11.325768][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   11.325989][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77ec80
[   11.326202][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   11.329726][  T189] ------------[ cut here ]------------
| [   11.329878][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   11.330160][  T189] Modules linked in: netdevsim psample
| [   11.330613][  T189] Tainted: [W]=WARN
[   11.330724][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.330896][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.331073][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.331587][  T189] RSP: 0018:ffa00000008a73a0 EFLAGS: 00010286
[   11.331778][  T189] RAX: 00000000ffffffa6 RBX: ff1100000cce6040 RCX: 1ff4000000114e3a
[   11.331988][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cce60fc
[   11.332218][  T189] RBP: ff110000099ca000 R08: 1fe220000199cc21 R09: ff1100000ea4d1a8
[   11.332442][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.332652][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.332855][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   11.333100][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.333284][  T189] CR2: 00007f119f612010 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   11.333501][  T189] PKRU: 55555554
[   11.333614][  T189] Call Trace:
[   11.333716][  T189]  <TASK>
[   11.333791][  T189]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.333927][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.334069][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.334215][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.334320][  T189]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   11.334476][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   11.334624][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   11.334780][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.334921][  T189]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.335065][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.335206][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.335357][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.335512][  T189]  ? __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)
[   11.335662][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.335821][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.335965][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.336121][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.336261][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.336462][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.336601][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.336744][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.336891][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.337041][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.337187][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.337326][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.337675][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.337822][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.337971][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.338111][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.338259][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.338420][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.338571][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.338714][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.338868][  T189]  ? 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))
[   11.339011][  T189]  ? 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))
[   11.339169][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.339322][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.339468][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   11.339610][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   11.339763][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.339907][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.340058][  T189]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   11.340197][  T189]  ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[   11.340343][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   11.340488][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   11.340641][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   11.340781][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   11.340930][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.341112][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.341255][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.341402][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.341544][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.341687][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.341844][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.342013][  T189] RIP: 0033:0x7f11a01cd08e
[   11.342155][  T189] 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
[   11.342676][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.342891][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   11.343102][  T189] RDX: 0000000000000054 RSI: 00007f119f662650 RDI: 0000000000000007
[   11.343315][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   11.343544][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77ec80
[   11.343761][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   11.398204][  T189] ------------[ cut here ]------------
| [   11.398536][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   11.398942][  T189] Modules linked in: netdevsim psample
| [   11.399677][  T189] Tainted: [W]=WARN
[   11.399851][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.400157][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.400449][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.401134][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   11.401408][  T189] RAX: 00000000ffffffa6 RBX: ff1100000c2758c0 RCX: 1ff4000000114e66
[   11.401737][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c27597c
[   11.402047][  T189] RBP: ff11000009a02000 R08: 1fe220000184eb31 R09: ff1100000ea4d248
[   11.402422][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.402730][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009a02000
[   11.403042][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   11.403407][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.403703][  T189] CR2: 00007f1fdd100000 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   11.404015][  T189] PKRU: 55555554
[   11.404243][  T189] Call Trace:
[   11.404444][  T189]  <TASK>
[   11.404588][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.404824][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.405004][  T189]  register_netdevice (net/core/dev.c:11488)
[   11.405227][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.405501][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   11.405797][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   11.406060][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   11.406328][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.406567][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   11.406849][  T189]  ? 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))
[   11.407066][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.407251][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.407490][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   11.407779][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   11.408035][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   11.408252][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   11.408483][  T189]  really_probe (drivers/base/dd.c:709)
[   11.408715][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   11.408938][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   11.409158][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   11.409393][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   11.409631][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   11.409859][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   11.410101][  T189]  __device_attach (drivers/base/dd.c:1101)
[   11.410324][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.410553][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   11.410832][  T189]  ? 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)
[   11.411057][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   11.411288][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   11.411533][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   11.411774][  T189]  device_add (drivers/base/core.c:3706)
[   11.411996][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   11.412253][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   11.412620][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   11.412856][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   11.413133][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.413380][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   11.413653][  T189]  ? 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))
[   11.414003][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.414224][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.414817][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.415053][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.415246][  T189]  new_sync_write (fs/read_write.c:595)
[   11.415494][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.415720][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.415940][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.416159][  T189]  ? ksys_write (fs/read_write.c:740)
[   11.416415][  T189]  vfs_write (fs/read_write.c:688)
[   11.416616][  T189]  ksys_write (fs/read_write.c:740)
[   11.416791][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.417032][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   11.417249][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.417598][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.417837][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   11.418058][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.418316][  T189] RIP: 0033:0x7f11a01cd08e
[   11.419081][  T189] 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
[   11.419895][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.420194][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   11.420511][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 0000000000000008
[   11.421066][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   11.421501][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   11.422053][  T189] R13: 000055b38c8f7e00 R14: 0000000000000008 R15: 00007f119ffd10d0
| [   11.557231][  T189] ------------[ cut here ]------------
| [   11.557637][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   11.558130][  T189] Modules linked in: netdevsim psample
| [   11.558934][  T189] Tainted: [W]=WARN
[   11.559115][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.559438][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.559750][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.560468][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   11.560745][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e02dc40 RCX: 1ff4000000114e66
[   11.561081][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e02dcfc
[   11.561402][  T189] RBP: ff11000009b0a000 R08: 1fe2200001c05ba1 R09: ff1100000ea4d248
[   11.561716][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.562015][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b0a000
[   11.562327][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   11.562696][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.562966][  T189] CR2: 000055bedaf02508 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   11.563275][  T189] PKRU: 55555554
[   11.563465][  T189] Call Trace:
[   11.563658][  T189]  <TASK>
[   11.563805][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.564041][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.564218][  T189]  register_netdevice (net/core/dev.c:11488)
[   11.564452][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.564739][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   11.565030][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   11.565260][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   11.565536][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.565786][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   11.566050][  T189]  ? 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))
[   11.566269][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.566464][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.566699][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   11.566977][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   11.567210][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   11.567445][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   11.567693][  T189]  really_probe (drivers/base/dd.c:709)
[   11.567917][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   11.568157][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   11.568390][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   11.568634][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   11.568853][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   11.569073][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   11.569303][  T189]  __device_attach (drivers/base/dd.c:1101)
[   11.569547][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.569787][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   11.570060][  T189]  ? 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)
[   11.570292][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   11.570542][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   11.570773][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   11.571015][  T189]  device_add (drivers/base/core.c:3706)
[   11.571233][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   11.571503][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   11.571759][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   11.571983][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   11.572266][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.572502][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   11.572778][  T189]  ? 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))
[   11.573000][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.573222][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.573454][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.573702][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.573895][  T189]  new_sync_write (fs/read_write.c:595)
[   11.574141][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.574380][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.574642][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.574865][  T189]  ? ksys_write (fs/read_write.c:740)
[   11.575093][  T189]  vfs_write (fs/read_write.c:688)
[   11.575272][  T189]  ksys_write (fs/read_write.c:740)
[   11.575469][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.575712][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   11.575935][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.576153][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.576389][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   11.576616][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.576875][  T189] RIP: 0033:0x7f11a01cd08e
[   11.577119][  T189] 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
[   11.577806][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.578108][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   11.578426][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 0000000000000008
[   11.578743][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   11.579055][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   11.579360][  T189] R13: 000055b38c8f7e00 R14: 0000000000000008 R15: 00007f119ffd10d0
| [   11.711602][  T189] ------------[ cut here ]------------
| [   11.711892][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   11.712335][  T189] Modules linked in: netdevsim psample
| [   11.713055][  T189] Tainted: [W]=WARN
[   11.713251][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.713592][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.713876][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.714674][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   11.715068][  T189] RAX: 00000000ffffffa6 RBX: ff11000008fed1c0 RCX: 1ff4000000114e66
[   11.715473][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fed27c
[   11.715800][  T189] RBP: ff1100000536a000 R08: 1fe22000011fda51 R09: ff1100000ea4d248
[   11.716098][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.716414][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000536a000
[   11.716740][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   11.717113][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.717382][  T189] CR2: 00007f8d64899388 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   11.717707][  T189] PKRU: 55555554
[   11.717887][  T189] Call Trace:
[   11.718072][  T189]  <TASK>
[   11.718218][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.718449][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.718654][  T189]  register_netdevice (net/core/dev.c:11488)
[   11.718876][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.719140][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   11.719440][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   11.719669][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   11.719946][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.720163][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   11.720452][  T189]  ? 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))
[   11.720679][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.720864][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.721084][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   11.721356][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   11.721590][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   11.721826][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   11.722049][  T189]  really_probe (drivers/base/dd.c:709)
[   11.722280][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   11.722511][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   11.722742][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   11.722960][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   11.723186][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   11.723417][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   11.723651][  T189]  __device_attach (drivers/base/dd.c:1101)
[   11.723867][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.724082][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   11.724338][  T189]  ? 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)
[   11.724576][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   11.724802][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   11.725029][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   11.725246][  T189]  device_add (drivers/base/core.c:3706)
[   11.725480][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   11.725742][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   11.725968][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   11.726193][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   11.726475][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.726709][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   11.726982][  T189]  ? 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))
[   11.727200][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.727431][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.727659][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.727887][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.728070][  T189]  new_sync_write (fs/read_write.c:595)
[   11.728299][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.728527][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.728767][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.728984][  T189]  ? ksys_write (fs/read_write.c:740)
[   11.729214][  T189]  vfs_write (fs/read_write.c:688)
[   11.729417][  T189]  ksys_write (fs/read_write.c:740)
[   11.729601][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.729836][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   11.730052][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.730281][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.730534][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   11.730769][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.731030][  T189] RIP: 0033:0x7f11a01cd08e
[   11.731258][  T189] 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
[   11.731927][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.732226][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   11.732540][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 0000000000000008
[   11.732855][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   11.733168][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   11.733478][  T189] R13: 000055b38c8f7e00 R14: 0000000000000008 R15: 00007f119ffd10d0
| [   11.874073][  T189] ------------[ cut here ]------------
| [   11.874387][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   11.874874][  T189] Modules linked in: netdevsim psample
| [   11.875636][  T189] Tainted: [W]=WARN
[   11.875812][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.876132][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.876425][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.877109][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   11.877383][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e009700 RCX: 1ff4000000114e66
[   11.877706][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e0097bc
[   11.878020][  T189] RBP: ff1100000ea22000 R08: 1fe2200001c012f9 R09: ff1100000ea4d248
[   11.878340][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.878662][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea22000
[   11.878971][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   11.879327][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.879627][  T189] CR2: 00007f4ccfc36388 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   11.879934][  T189] PKRU: 55555554
[   11.880112][  T189] Call Trace:
[   11.880301][  T189]  <TASK>
[   11.880460][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.880693][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.880871][  T189]  register_netdevice (net/core/dev.c:11488)
[   11.881100][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.881394][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   11.881686][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   11.881922][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   11.882187][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.882421][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   11.882716][  T189]  ? 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))
[   11.882936][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.883119][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.883348][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   11.883754][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   11.884039][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   11.884256][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   11.884504][  T189]  really_probe (drivers/base/dd.c:709)
[   11.884742][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   11.884958][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   11.885189][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   11.885421][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   11.885655][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   11.885891][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   11.886128][  T189]  __device_attach (drivers/base/dd.c:1101)
[   11.886346][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.886600][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   11.886885][  T189]  ? 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)
[   11.887104][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   11.887342][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   11.887573][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   11.887837][  T189]  device_add (drivers/base/core.c:3706)
[   11.888067][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   11.888329][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   11.888558][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   11.888795][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   11.889055][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.889281][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   11.889564][  T189]  ? 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))
[   11.889788][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.890018][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.890246][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.890502][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.890706][  T189]  new_sync_write (fs/read_write.c:595)
[   11.890927][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.891154][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.891392][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.891627][  T189]  ? ksys_write (fs/read_write.c:740)
[   11.891852][  T189]  vfs_write (fs/read_write.c:688)
[   11.892030][  T189]  ksys_write (fs/read_write.c:740)
[   11.892219][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.892453][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   11.892687][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.892934][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.893165][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   11.893409][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.893684][  T189] RIP: 0033:0x7f11a01cd08e
[   11.893907][  T189] 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
[   11.894581][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.894895][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   11.895193][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 0000000000000008
[   11.895513][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   11.895838][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   11.896154][  T189] R13: 000055b38c8f7e00 R14: 0000000000000008 R15: 00007f119ffd10d0
| [   12.043069][  T189] ------------[ cut here ]------------
| [   12.043356][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   12.043834][  T189] Modules linked in: netdevsim psample
| [   12.044627][  T189] Tainted: [W]=WARN
[   12.044820][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.045081][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.045360][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.046050][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   12.046328][  T189] RAX: 00000000ffffffa6 RBX: ff1100000cd23c40 RCX: 1ff4000000114e66
[   12.046667][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd23cfc
[   12.046999][  T189] RBP: ff1100000f1fa000 R08: 1fe22000019a47a1 R09: ff1100000ea4d248
[   12.047322][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.047642][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1fa000
[   12.047955][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   12.048305][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.048582][  T189] CR2: 000055bedaf1c4f0 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   12.048903][  T189] PKRU: 55555554
[   12.049101][  T189] Call Trace:
[   12.049276][  T189]  <TASK>
[   12.049422][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.049658][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.049846][  T189]  register_netdevice (net/core/dev.c:11488)
[   12.050073][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.050354][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   12.050654][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   12.050884][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   12.051156][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.051391][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   12.051670][  T189]  ? 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))
[   12.051892][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   12.052069][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.052344][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   12.052639][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   12.052863][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   12.053092][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   12.053331][  T189]  really_probe (drivers/base/dd.c:709)
[   12.053566][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   12.053809][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   12.054053][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   12.054281][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   12.054509][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   12.054745][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   12.054980][  T189]  __device_attach (drivers/base/dd.c:1101)
[   12.055219][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.055467][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   12.055743][  T189]  ? 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)
[   12.055967][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   12.056186][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   12.056421][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   12.056656][  T189]  device_add (drivers/base/core.c:3706)
[   12.056876][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   12.057181][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   12.057414][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   12.057684][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   12.057955][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.058185][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   12.058508][  T189]  ? 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))
[   12.058763][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   12.058985][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   12.059208][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   12.059444][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   12.059640][  T189]  new_sync_write (fs/read_write.c:595)
[   12.059859][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.060087][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.060316][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.060587][  T189]  ? ksys_write (fs/read_write.c:740)
[   12.060828][  T189]  vfs_write (fs/read_write.c:688)
[   12.061008][  T189]  ksys_write (fs/read_write.c:740)
[   12.061198][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   12.061437][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   12.061660][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.061884][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.062191][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   12.062517][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.062877][  T189] RIP: 0033:0x7f11a01cd08e
[   12.063100][  T189] 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
[   12.063776][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   12.064099][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   12.064425][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 0000000000000008
[   12.064755][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   12.065060][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   12.065360][  T189] R13: 000055b38c8f7e00 R14: 0000000000000008 R15: 00007f119ffd10d0
| [   12.243405][  T189] ------------[ cut here ]------------
| [   12.243800][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   12.244200][  T189] Modules linked in: netdevsim psample
| [   12.245138][  T189] Tainted: [W]=WARN
[   12.245423][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.245837][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.246209][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.247008][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   12.247382][  T189] RAX: 00000000ffffffa6 RBX: ff1100000f1cac80 RCX: 1ff4000000114e66
[   12.247820][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1cad3c
[   12.248157][  T189] RBP: ff11000009a2a000 R08: 1fe2200001e395a9 R09: ff1100000ea4d248
[   12.248472][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.248794][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009a2a000
[   12.249105][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   12.249471][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.249742][  T189] CR2: 00007f0e14c84d80 CR3: 00000000021d3006 CR4: 0000000000771ef0
[   12.250057][  T189] PKRU: 55555554
[   12.250231][  T189] Call Trace:
[   12.250422][  T189]  <TASK>
[   12.250564][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.250799][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.250975][  T189]  register_netdevice (net/core/dev.c:11488)
[   12.251212][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.251500][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   12.251777][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   12.252010][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   12.252286][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.252522][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   12.252804][  T189]  ? 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))
[   12.253023][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   12.253201][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.253436][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   12.253721][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   12.253943][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   12.254172][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   12.254410][  T189]  really_probe (drivers/base/dd.c:709)
[   12.254652][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   12.254867][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   12.255095][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   12.255318][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   12.255564][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   12.255789][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   12.256014][  T189]  __device_attach (drivers/base/dd.c:1101)
[   12.256231][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.256460][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   12.256727][  T189]  ? 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)
[   12.256949][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   12.257171][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   12.257402][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   12.257634][  T189]  device_add (drivers/base/core.c:3706)
[   12.257856][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   12.258117][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   12.258336][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   12.258587][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   12.258880][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.259108][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   12.259390][  T189]  ? 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))
[   12.259619][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   12.259848][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   12.260065][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   12.260306][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   12.260496][  T189]  new_sync_write (fs/read_write.c:595)
[   12.260734][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.260960][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.261187][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.261419][  T189]  ? ksys_write (fs/read_write.c:740)
[   12.261651][  T189]  vfs_write (fs/read_write.c:688)
[   12.261839][  T189]  ksys_write (fs/read_write.c:740)
[   12.262023][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   12.262246][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   12.262476][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.262703][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.262925][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   12.263149][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.263430][  T189] RIP: 0033:0x7f11a01cd08e
[   12.263661][  T189] 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
[   12.264313][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   12.264636][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   12.264947][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 0000000000000008
[   12.265245][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   12.265577][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   12.265882][  T189] R13: 000055b38c8f7e00 R14: 0000000000000008 R15: 00007f119ffd10d0
| [   12.404025][  T189] ------------[ cut here ]------------
| [   12.404279][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   12.404691][  T189] Modules linked in: netdevsim psample
| [   12.405283][  T189] Tainted: [W]=WARN
[   12.405419][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.405645][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.405867][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.406482][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   12.406697][  T189] RAX: 00000000ffffffa6 RBX: ff1100000df36200 RCX: 1ff4000000114e66
[   12.406948][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df362bc
[   12.407212][  T189] RBP: ff1100000ab0a000 R08: 1fe2200001be6c59 R09: ff1100000ea4d248
[   12.407475][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.407734][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab0a000
[   12.407992][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   12.408288][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.408504][  T189] CR2: 000055bedaf1b000 CR3: 00000000021d3006 CR4: 0000000000771ef0
[   12.408772][  T189] PKRU: 55555554
[   12.408898][  T189] Call Trace:
[   12.409025][  T189]  <TASK>
[   12.409113][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.409294][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.409434][  T189]  register_netdevice (net/core/dev.c:11488)
[   12.409604][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.409830][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   12.410048][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   12.410217][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   12.410440][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.410613][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   12.410824][  T189]  ? 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))
[   12.410997][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   12.411124][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.411297][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   12.411528][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   12.411705][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   12.411872][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   12.412040][  T189]  really_probe (drivers/base/dd.c:709)
[   12.412217][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   12.412391][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   12.412562][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   12.412738][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   12.412907][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   12.413076][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   12.413247][  T189]  __device_attach (drivers/base/dd.c:1101)
[   12.413417][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.413585][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   12.413800][  T189]  ? 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)
[   12.413968][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   12.414136][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   12.414303][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   12.414476][  T189]  device_add (drivers/base/core.c:3706)
[   12.414650][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   12.414862][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   12.415036][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   12.415206][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   12.415422][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.415597][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   12.415813][  T189]  ? 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))
[   12.415983][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   12.416151][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   12.416319][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   12.416493][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   12.416624][  T189]  new_sync_write (fs/read_write.c:595)
[   12.416800][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.416974][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.417142][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.417312][  T189]  ? ksys_write (fs/read_write.c:740)
[   12.417488][  T189]  vfs_write (fs/read_write.c:688)
[   12.417623][  T189]  ksys_write (fs/read_write.c:740)
[   12.417749][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   12.417921][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   12.418090][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.418266][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.418438][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   12.418605][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.418814][  T189] RIP: 0033:0x7f11a01cd08e
[   12.418990][  T189] 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
[   12.419603][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   12.419858][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   12.420109][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 0000000000000008
[   12.420370][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   12.420626][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   12.420902][  T189] R13: 000055b38c8f7e00 R14: 0000000000000008 R15: 00007f119ffd10d0
| [   12.582870][  T189] ------------[ cut here ]------------
| [   12.583135][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   12.583572][  T189] Modules linked in: netdevsim psample
| [   12.584130][  T189] Tainted: [W]=WARN
[   12.584263][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.584492][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.584720][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.585334][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   12.585572][  T189] RAX: 00000000ffffffa6 RBX: ff110000096b38c0 RCX: 1ff4000000114e66
[   12.585831][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096b397c
[   12.586086][  T189] RBP: ff1100000e992000 R08: 1fe22000012d6731 R09: ff1100000ea4d248
[   12.586339][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.586599][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e992000
[   12.586862][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   12.587159][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.587376][  T189] CR2: 00007f0e1555f0c8 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   12.587635][  T189] PKRU: 55555554
[   12.587764][  T189] Call Trace:
[   12.587897][  T189]  <TASK>
[   12.587993][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.588172][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.588309][  T189]  register_netdevice (net/core/dev.c:11488)
[   12.588486][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.588706][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   12.588925][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   12.589094][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   12.589311][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.589485][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   12.589700][  T189]  ? 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))
[   12.589874][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   12.590004][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.590175][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   12.590398][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   12.590581][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   12.590764][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   12.590931][  T189]  really_probe (drivers/base/dd.c:709)
[   12.591108][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   12.591280][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   12.591453][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   12.591625][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   12.591797][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   12.591967][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   12.592144][  T189]  __device_attach (drivers/base/dd.c:1101)
[   12.592318][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.592499][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   12.592719][  T189]  ? 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)
[   12.592889][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   12.593070][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   12.593240][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   12.593445][  T189]  device_add (drivers/base/core.c:3706)
[   12.593636][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   12.593857][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   12.594024][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   12.594197][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   12.594413][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.594590][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   12.594812][  T189]  ? 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))
[   12.594983][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   12.595157][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   12.595325][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   12.595499][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   12.595631][  T189]  new_sync_write (fs/read_write.c:595)
[   12.595810][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.595977][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.596145][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.596319][  T189]  ? ksys_write (fs/read_write.c:740)
[   12.596497][  T189]  vfs_write (fs/read_write.c:688)
[   12.596638][  T189]  ksys_write (fs/read_write.c:740)
[   12.596767][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   12.596940][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   12.597112][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.597281][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.597459][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   12.597631][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.597841][  T189] RIP: 0033:0x7f11a01cd08e
[   12.598027][  T189] 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
[   12.598639][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   12.598888][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   12.599140][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 0000000000000008
[   12.599407][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   12.599666][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   12.599916][  T189] R13: 000055b38c8f7e00 R14: 0000000000000008 R15: 00007f119ffd10d0
| [   12.817762][  T189] ------------[ cut here ]------------
| [   12.817963][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   12.818270][  T189] Modules linked in: netdevsim psample
| [   12.818756][  T189] Tainted: [W]=WARN
[   12.818872][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.819052][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.819241][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.819769][  T189] RSP: 0018:ffa00000008a6f90 EFLAGS: 00010286
[   12.819955][  T189] RAX: 00000000ffffffa6 RBX: ff1100000cce6ac0 RCX: 1ff4000000114db8
[   12.820178][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cce6b7c
[   12.820402][  T189] RBP: ff1100000f0e2000 R08: 1fe220000199cd71 R09: ff1100000ea4d1a8
[   12.820629][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000080
[   12.820850][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.821078][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   12.821330][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.821521][  T189] CR2: 00007f119f30d010 CR3: 00000000021d3002 CR4: 0000000000771ef0
[   12.821740][  T189] PKRU: 55555554
[   12.821850][  T189] Call Trace:
[   12.821960][  T189]  <TASK>
[   12.822034][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.822184][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.822326][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   12.822481][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.822592][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.822744][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   12.822900][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.823043][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   12.823187][  T189]  ? __dev_change_flags (net/core/dev.c:9739)
[   12.823334][  T189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.823506][  T189]  netif_change_flags (net/core/dev.c:9820)
[   12.823655][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:67)
[   12.823798][  T189]  dev_change_flags (net/core/dev_api.c:68)
[   12.823941][  T189]  netkit_new_link (drivers/net/netkit.c:631)
[   12.824095][  T189]  ? irq_matrix_available (kernel/irq/matrix.c:461)
[   12.824249][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   12.824403][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.824552][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   12.824712][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.824877][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.825032][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   12.825184][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.825325][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.825485][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.825633][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.825781][  T189]  ? __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)
[   12.825922][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.826070][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.826219][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.826370][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.826570][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.826732][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.826884][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.827029][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.827182][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.827336][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.827488][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.827650][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.827795][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.827946][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.828086][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.828232][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.828389][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.828540][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.828686][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.828827][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.828984][  T189]  ? 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))
[   12.829141][  T189]  ? 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))
[   12.829305][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.829513][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.829661][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   12.829860][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   12.830026][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.830169][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.830322][  T189]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   12.830514][  T189]  ? netlink_setsockopt (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/netlink/af_netlink.c:1715)
[   12.830665][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   12.830816][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   12.830963][  T189]  ? kfree (mm/slub.c:6551 (discriminator 1))
[   12.831075][  T189]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   12.831231][  T189]  ? __sys_setsockopt (net/socket.c:2406)
[   12.831379][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   12.831523][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.831708][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.831852][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.832010][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.832156][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.832302][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.832455][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.832654][  T189] RIP: 0033:0x7f11a01cd08e
[   12.832812][  T189] 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
[   12.833334][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.833560][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   12.833784][  T189] RDX: 0000000000000054 RSI: 00007f119f2b7450 RDI: 0000000000000008
[   12.834010][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   12.834230][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77c0c0
[   12.834455][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   12.836206][  T189] ------------[ cut here ]------------
| [   12.836411][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   12.836725][  T189] Modules linked in: netdevsim psample
| [   12.837192][  T189] Tainted: [W]=WARN
[   12.837309][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.837596][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.837796][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.838405][  T189] RSP: 0018:ffa00000008a6fb0 EFLAGS: 00010286
[   12.838586][  T189] RAX: 00000000ffffffa6 RBX: ff1100000bd95c40 RCX: 1ff4000000114dbc
[   12.838815][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd95cfc
[   12.839028][  T189] RBP: ff1100000f0e2000 R08: 1fe22000017b2ba1 R09: ff1100000ea4d180
[   12.839245][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.839532][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.839762][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   12.840030][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.840220][  T189] CR2: 00007f119f30d010 CR3: 00000000021d3002 CR4: 0000000000771ef0
[   12.840491][  T189] PKRU: 55555554
[   12.840613][  T189] Call Trace:
[   12.840722][  T189]  <TASK>
[   12.840793][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.840931][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.841075][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.841185][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   12.841333][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   12.841528][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   12.841684][  T189]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1177 (discriminator 6))
[   12.841834][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.841991][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.842149][  T189]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.842287][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:48 net/core/dev_api.c:70)
[   12.842466][  T189]  netkit_new_link (drivers/net/netkit.c:633)
[   12.842615][  T189]  ? irq_matrix_available (kernel/irq/matrix.c:461)
[   12.842762][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   12.842901][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.843039][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   12.843186][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.843360][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.843507][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   12.843666][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.843811][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.843966][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.844103][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.844241][  T189]  ? __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)
[   12.844400][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.844541][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.844699][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.844854][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.844994][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.845142][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.845289][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.845438][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.845580][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.845731][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.845882][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.846025][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.846164][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.846312][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.846463][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.846617][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.846762][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.846901][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.847045][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.847196][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.847345][  T189]  ? 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))
[   12.847500][  T189]  ? 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))
[   12.847643][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.847782][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.847931][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   12.848069][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   12.848220][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.848369][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.848508][  T189]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   12.848654][  T189]  ? netlink_setsockopt (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/netlink/af_netlink.c:1715)
[   12.848816][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   12.848956][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   12.849094][  T189]  ? kfree (mm/slub.c:6551 (discriminator 1))
[   12.849205][  T189]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   12.849373][  T189]  ? __sys_setsockopt (net/socket.c:2406)
[   12.849520][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   12.849669][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.849847][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.849990][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.850133][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.850278][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.850433][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.850572][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.850763][  T189] RIP: 0033:0x7f11a01cd08e
[   12.850918][  T189] 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
[   12.851439][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.851659][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   12.851887][  T189] RDX: 0000000000000054 RSI: 00007f119f2b7450 RDI: 0000000000000008
[   12.852100][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   12.852323][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77c0c0
[   12.852551][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   12.858553][  T189] ------------[ cut here ]------------
| [   12.858729][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   12.859055][  T189] Modules linked in: netdevsim psample
| [   12.859501][  T189] Tainted: [W]=WARN
[   12.859614][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.859795][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.859981][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.860503][  T189] RSP: 0018:ffa00000008a6f90 EFLAGS: 00010286
[   12.860697][  T189] RAX: 00000000ffffffa6 RBX: ff11000005656ac0 RCX: 1ff4000000114db8
[   12.860906][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005656b7c
[   12.861145][  T189] RBP: ff11000009cda000 R08: 1fe2200000acad71 R09: ff1100000ea4d1a8
[   12.861354][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000080
[   12.861573][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.861793][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   12.862056][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.862244][  T189] CR2: 00007f119f30d010 CR3: 00000000021d3002 CR4: 0000000000771ef0
[   12.862473][  T189] PKRU: 55555554
[   12.862585][  T189] Call Trace:
[   12.862697][  T189]  <TASK>
[   12.862777][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.862926][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.863071][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   12.863213][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.863329][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.863475][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   12.863636][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.863782][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   12.863932][  T189]  ? __dev_change_flags (net/core/dev.c:9739)
[   12.864078][  T189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.864226][  T189]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   12.864394][  T189]  netif_change_flags (net/core/dev.c:9820)
[   12.864538][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:67)
[   12.864695][  T189]  dev_change_flags (net/core/dev_api.c:68)
[   12.864845][  T189]  netkit_new_link (drivers/net/netkit.c:666)
[   12.864998][  T189]  ? irq_matrix_available (kernel/irq/matrix.c:461)
[   12.865152][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   12.865300][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.865460][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   12.865604][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.865768][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.865912][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   12.866060][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.866207][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.866355][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.866505][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.866656][  T189]  ? __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)
[   12.866822][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.866970][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.867127][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.867275][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.867434][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.867575][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.867720][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.867871][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.868012][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.868173][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.868339][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.868485][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.868642][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.868795][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.868940][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.869090][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.869235][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.869389][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.869537][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.869682][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.869828][  T189]  ? 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))
[   12.869973][  T189]  ? 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))
[   12.870118][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.870266][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.870416][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   12.870573][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   12.870720][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.870870][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.871027][  T189]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   12.871171][  T189]  ? netlink_setsockopt (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/netlink/af_netlink.c:1715)
[   12.871327][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   12.871477][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   12.871632][  T189]  ? kfree (mm/slub.c:6551 (discriminator 1))
[   12.871746][  T189]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   12.871904][  T189]  ? __sys_setsockopt (net/socket.c:2406)
[   12.872048][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   12.872188][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.872378][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.872538][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.872688][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.872831][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.872972][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.873122][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.873308][  T189] RIP: 0033:0x7f11a01cd08e
[   12.873461][  T189] 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
[   12.873995][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.874225][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   12.874438][  T189] RDX: 0000000000000054 RSI: 00007f119f2b7450 RDI: 0000000000000008
[   12.874663][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   12.874891][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77c0c0
[   12.875105][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   12.876855][  T189] ------------[ cut here ]------------
| [   12.877010][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   12.877280][  T189] Modules linked in: netdevsim psample
| [   12.877929][  T189] Tainted: [W]=WARN
[   12.878039][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.878224][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.878425][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.878945][  T189] RSP: 0018:ffa00000008a73a0 EFLAGS: 00010286
[   12.879124][  T189] RAX: 00000000ffffffa6 RBX: ff110000056563c0 RCX: 1ff4000000114e3a
[   12.879330][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000565647c
[   12.879538][  T189] RBP: ff11000009cda000 R08: 1fe2200000acac91 R09: ff1100000ea4d1a8
[   12.879745][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.879952][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.880159][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   12.880950][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.881128][  T189] CR2: 00007f119f30d010 CR3: 00000000021d3002 CR4: 0000000000771ef0
[   12.881335][  T189] PKRU: 55555554
[   12.881516][  T189] Call Trace:
[   12.881626][  T189]  <TASK>
[   12.881752][  T189]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.881889][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.882029][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.882167][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.882271][  T189]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   12.882465][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   12.882615][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   12.882754][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.882895][  T189]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.883036][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.883176][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.883315][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.883509][  T189]  ? __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)
[   12.883653][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.883794][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.883935][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.884079][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.884221][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.884357][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.884552][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.884694][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.884833][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.884977][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.885116][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.885256][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.885453][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.885591][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.885732][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.885874][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.886012][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.886151][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.886291][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.886487][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.886636][  T189]  ? 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))
[   12.886774][  T189]  ? 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))
[   12.886915][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.887058][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.887195][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   12.887334][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   12.887532][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.887679][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.887820][  T189]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   12.887958][  T189]  ? netlink_setsockopt (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/netlink/af_netlink.c:1715)
[   12.888102][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   12.888241][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   12.888435][  T189]  ? kfree (mm/slub.c:6551 (discriminator 1))
[   12.888545][  T189]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   12.888695][  T189]  ? __sys_setsockopt (net/socket.c:2406)
[   12.888836][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   12.888975][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.889149][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.889286][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.889482][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.889626][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.889764][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.889901][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.890072][  T189] RIP: 0033:0x7f11a01cd08e
[   12.890217][  T189] 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
[   12.890774][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.890981][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   12.891187][  T189] RDX: 0000000000000054 RSI: 00007f119f2b7450 RDI: 0000000000000008
[   12.891452][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   12.891662][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77c0c0
[   12.891866][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   12.997590][  T189] ------------[ cut here ]------------
| [   12.997784][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   12.998069][  T189] Modules linked in: netdevsim psample
| [   12.998518][  T189] Tainted: [W]=WARN
[   12.998666][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.998852][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.999037][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.999638][  T189] RSP: 0018:ffa00000008a6f90 EFLAGS: 00010286
[   12.999839][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e02d540 RCX: 1ff4000000114db8
[   13.000052][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e02d5fc
[   13.000265][  T189] RBP: ff1100000eb32000 R08: 1fe2200001c05ac1 R09: ff1100000ea4d1a8
[   13.000488][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000080
[   13.000714][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.000928][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   13.001176][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.001354][  T189] CR2: 000055bedadb4950 CR3: 00000000021d3002 CR4: 0000000000771ef0
[   13.001586][  T189] PKRU: 55555554
[   13.001696][  T189] Call Trace:
[   13.001803][  T189]  <TASK>
[   13.001877][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.002021][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.002163][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   13.002306][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.002421][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.002562][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   13.002713][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.002856][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   13.002999][  T189]  ? __dev_change_flags (net/core/dev.c:9739)
[   13.003143][  T189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.003286][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.003438][  T189]  netif_change_flags (net/core/dev.c:9820)
[   13.003581][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:67)
[   13.003728][  T189]  dev_change_flags (net/core/dev_api.c:68)
[   13.003872][  T189]  netkit_new_link (drivers/net/netkit.c:631)
[   13.004014][  T189]  ? irq_matrix_available (kernel/irq/matrix.c:461)
[   13.004163][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   13.004304][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.004451][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   13.004595][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.004761][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.004907][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   13.005050][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.005194][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.005339][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.005486][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.005635][  T189]  ? __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)
[   13.005776][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.005922][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.006066][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.006213][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.006358][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.006506][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.006652][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.006799][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.006940][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.007090][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.007234][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.007380][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.007523][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.007668][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.007813][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.007957][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.008100][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.008243][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.008394][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.008535][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.008684][  T189]  ? 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))
[   13.008824][  T189]  ? 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))
[   13.008967][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.009110][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.009250][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   13.009400][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   13.009543][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.009692][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.009833][  T189]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   13.009976][  T189]  ? netlink_setsockopt (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/netlink/af_netlink.c:1715)
[   13.010119][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   13.010264][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   13.010411][  T189]  ? kfree (mm/slub.c:6551 (discriminator 1))
[   13.010523][  T189]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   13.010675][  T189]  ? __sys_setsockopt (net/socket.c:2406)
[   13.010819][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   13.010961][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.011138][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.011278][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.011427][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.011572][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.011719][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.011860][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.012036][  T189] RIP: 0033:0x7f11a01cd08e
[   13.012185][  T189] 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
[   13.012698][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   13.012912][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   13.013121][  T189] RDX: 0000000000000054 RSI: 00007f119f320150 RDI: 0000000000000009
[   13.013331][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   13.013550][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77e120
[   13.013766][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   13.015465][  T189] ------------[ cut here ]------------
| [   13.015606][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   13.015931][  T189] Modules linked in: netdevsim psample
| [   13.016470][  T189] Tainted: [W]=WARN
[   13.016578][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.016759][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.016939][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.017544][  T189] RSP: 0018:ffa00000008a6fb0 EFLAGS: 00010286
[   13.017818][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e02d380 RCX: 1ff4000000114dbc
[   13.018116][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e02d43c
[   13.018324][  T189] RBP: ff1100000eb32000 R08: 1fe2200001c05a89 R09: ff1100000ea4d180
[   13.018615][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.018825][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.019033][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   13.019277][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.019552][  T189] CR2: 000055bedadb4950 CR3: 00000000021d3002 CR4: 0000000000771ef0
[   13.019770][  T189] PKRU: 55555554
[   13.019872][  T189] Call Trace:
[   13.019976][  T189]  <TASK>
[   13.020048][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.020187][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.020326][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.020510][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   13.020655][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   13.020794][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   13.020933][  T189]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1177 (discriminator 6))
[   13.021071][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.021207][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.021345][  T189]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.021582][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:48 net/core/dev_api.c:70)
[   13.021724][  T189]  netkit_new_link (drivers/net/netkit.c:633)
[   13.021865][  T189]  ? irq_matrix_available (kernel/irq/matrix.c:461)
[   13.022006][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   13.022143][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.022281][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   13.022519][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.022677][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.022818][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   13.022957][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.023097][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.023236][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.023449][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.023589][  T189]  ? __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)
[   13.023731][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.023871][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.024011][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.024155][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.024295][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.024532][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.024674][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.024812][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.024949][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.025091][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.025231][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.025468][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.025605][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.025746][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.025882][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.026022][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.026161][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.026299][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.026512][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.026654][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.026796][  T189]  ? 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))
[   13.026934][  T189]  ? 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))
[   13.027073][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.027213][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.027350][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   13.027548][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   13.027693][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.027831][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.027968][  T189]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   13.028106][  T189]  ? netlink_setsockopt (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/netlink/af_netlink.c:1715)
[   13.028244][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   13.028388][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   13.028528][  T189]  ? kfree (mm/slub.c:6551 (discriminator 1))
[   13.028639][  T189]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   13.028779][  T189]  ? __sys_setsockopt (net/socket.c:2406)
[   13.028919][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   13.029056][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.029227][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.029369][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.029506][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.029651][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.029787][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.029924][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.030094][  T189] RIP: 0033:0x7f11a01cd08e
[   13.030238][  T189] 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
[   13.030732][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   13.030939][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   13.031146][  T189] RDX: 0000000000000054 RSI: 00007f119f320150 RDI: 0000000000000009
[   13.031349][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   13.031559][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77e120
[   13.031767][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   13.043153][  T189] ------------[ cut here ]------------
| [   13.043357][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   13.043716][  T189] Modules linked in: netdevsim psample
| [   13.044270][  T189] Tainted: [W]=WARN
[   13.044442][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.044680][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.044921][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.045501][  T189] RSP: 0018:ffa00000008a6f90 EFLAGS: 00010286
[   13.045743][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e02d700 RCX: 1ff4000000114db8
[   13.046006][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e02d7bc
[   13.046269][  T189] RBP: ff1100000f3ca000 R08: 1fe2200001c05af9 R09: ff1100000ea4d1a8
[   13.046544][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000080
[   13.046816][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.047079][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   13.047394][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.047628][  T189] CR2: 000055bed4f8b6c0 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   13.047891][  T189] PKRU: 55555554
[   13.048047][  T189] Call Trace:
[   13.048208][  T189]  <TASK>
[   13.048331][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.048540][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.048742][  T189]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   13.048942][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.049132][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.049355][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   13.049564][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.049769][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   13.049964][  T189]  ? __dev_change_flags (net/core/dev.c:9739)
[   13.050163][  T189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.050400][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.050600][  T189]  netif_change_flags (net/core/dev.c:9820)
[   13.050804][  T189]  ? dev_change_flags (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:67)
[   13.050999][  T189]  dev_change_flags (net/core/dev_api.c:68)
[   13.051196][  T189]  netkit_new_link (drivers/net/netkit.c:666)
[   13.051403][  T189]  ? irq_matrix_available (kernel/irq/matrix.c:461)
[   13.051598][  T189]  ? netkit_change_link (drivers/net/netkit.c:1118 (discriminator 7))
[   13.051828][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.052023][  T189]  ? __kvmalloc_node_noprof (./include/linux/kasan.h:263 mm/slub.c:5295 mm/slub.c:6832)
[   13.052216][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.052444][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.052676][  T189]  ? netkit_alloc (drivers/net/netkit.c:408 drivers/net/netkit.c:395)
[   13.052872][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.053073][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.053270][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.053478][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.053682][  T189]  ? __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)
[   13.053878][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.054076][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.054272][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.054484][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.054689][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.054885][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.055080][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.055276][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.055484][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.055703][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.055902][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.056098][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.056293][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.056499][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.056698][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.056898][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.057092][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.057287][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.057531][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.057738][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.057934][  T189]  ? 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))
[   13.058126][  T189]  ? 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))
[   13.058321][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.058527][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.058841][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   13.059036][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   13.059231][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.059454][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.059657][  T189]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   13.059853][  T189]  ? netlink_setsockopt (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/netlink/af_netlink.c:1715)
[   13.060142][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   13.060337][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   13.060543][  T189]  ? kfree (mm/slub.c:6551 (discriminator 1))
[   13.060713][  T189]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   13.060910][  T189]  ? __sys_setsockopt (net/socket.c:2406)
[   13.061107][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   13.061300][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.061544][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.061755][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.061947][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.062140][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.062374][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.062568][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.062803][  T189] RIP: 0033:0x7f11a01cd08e
[   13.062999][  T189] 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
[   13.063675][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   13.064038][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   13.064302][  T189] RDX: 0000000000000054 RSI: 00007f119f320150 RDI: 0000000000000009
[   13.064576][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   13.064838][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77e120
[   13.065102][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   13.068406][  T189] ------------[ cut here ]------------
| [   13.068681][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   13.069006][  T189] Modules linked in: netdevsim psample
| [   13.069854][  T189] Tainted: [W]=WARN
[   13.070096][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.070431][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.070671][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.071309][  T189] RSP: 0018:ffa00000008a73a0 EFLAGS: 00010286
[   13.071549][  T189] RAX: 00000000ffffffa6 RBX: ff110000057a1c40 RCX: 1ff4000000114e3a
[   13.071817][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057a1cfc
[   13.072075][  T189] RBP: ff1100000f3ca000 R08: 1fe2200000af43a1 R09: ff1100000ea4d1a8
[   13.072328][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.072591][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.072876][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   13.073167][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.073418][  T189] CR2: 000055bed4f8b6c0 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   13.073684][  T189] PKRU: 55555554
[   13.073839][  T189] Call Trace:
[   13.073992][  T189]  <TASK>
[   13.074115][  T189]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.074303][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.074507][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.074720][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.074876][  T189]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   13.075067][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[   13.075259][  T189]  ? netif_change_name (net/core/dev.c:1495)
[   13.075465][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.075664][  T189]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.075852][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.076042][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.076229][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.076430][  T189]  ? __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)
[   13.076624][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.076819][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.077009][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.077203][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.077409][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.077597][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.077795][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.077984][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.078174][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.078385][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.078572][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.078767][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.078956][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.079144][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.079330][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.079532][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.079728][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.079918][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.080198][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.080400][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.080592][  T189]  ? 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))
[   13.080784][  T189]  ? 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))
[   13.081003][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.081197][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.081397][  T189]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[   13.081589][  T189]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[   13.081789][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.081978][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.082167][  T189]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   13.082355][  T189]  ? netlink_setsockopt (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/netlink/af_netlink.c:1715)
[   13.082561][  T189]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   13.082761][  T189]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   13.082949][  T189]  ? kfree (mm/slub.c:6551 (discriminator 1))
[   13.083135][  T189]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   13.083432][  T189]  ? __sys_setsockopt (net/socket.c:2406)
[   13.083659][  T189]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   13.083848][  T189]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.084157][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.084344][  T189]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.084548][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.084745][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.084931][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.085209][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.085445][  T189] RIP: 0033:0x7f11a01cd08e
[   13.085644][  T189] 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
[   13.086181][  T189] RSP: 002b:00007fff05ecbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   13.086449][  T189] RAX: ffffffffffffffda RBX: 00007fff05ecbe40 RCX: 00007f11a01cd08e
[   13.086717][  T189] RDX: 0000000000000054 RSI: 00007f119f320150 RDI: 0000000000000009
[   13.086969][  T189] RBP: 00007fff05ecbd40 R08: 0000000000000000 R09: 0000000000000000
[   13.087224][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f119f77e120
[   13.087491][  T189] R13: 00007fff05ecbe40 R14: 00007f119f9d3140 R15: 0000000000000002
| [   13.160031][  T189] ------------[ cut here ]------------
| [   13.160309][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   13.160708][  T189] Modules linked in: netdevsim psample
| [   13.161310][  T189] Tainted: [W]=WARN
[   13.161445][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.161659][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.161878][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.162508][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   13.162723][  T189] RAX: 00000000ffffffa6 RBX: ff11000005657380 RCX: 1ff4000000114e66
[   13.162995][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000565743c
[   13.163253][  T189] RBP: ff1100000e132000 R08: 1fe2200000acae89 R09: ff1100000ea4d248
[   13.163522][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.163777][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e132000
[   13.164026][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   13.164324][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.164544][  T189] CR2: 000055bedaf20000 CR3: 00000000021d3004 CR4: 0000000000771ef0
[   13.164805][  T189] PKRU: 55555554
[   13.164928][  T189] Call Trace:
[   13.165063][  T189]  <TASK>
[   13.165156][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.165326][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.165458][  T189]  register_netdevice (net/core/dev.c:11488)
[   13.165640][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.165853][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   13.166066][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   13.166235][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   13.166450][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   13.166624][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   13.166835][  T189]  ? 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))
[   13.167003][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   13.167138][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.167307][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   13.167527][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   13.167702][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   13.167876][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   13.168057][  T189]  really_probe (drivers/base/dd.c:709)
[   13.168234][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   13.168407][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   13.168577][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   13.168755][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   13.168924][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   13.169105][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   13.169281][  T189]  __device_attach (drivers/base/dd.c:1101)
[   13.169487][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.169661][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   13.169877][  T189]  ? 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)
[   13.170045][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   13.170219][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   13.170393][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   13.170565][  T189]  device_add (drivers/base/core.c:3706)
[   13.170740][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   13.170950][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   13.171136][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   13.171310][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   13.171531][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.171703][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   13.171915][  T189]  ? 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))
[   13.172092][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   13.172268][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   13.172446][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   13.172619][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   13.172748][  T189]  new_sync_write (fs/read_write.c:595)
[   13.172917][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.173087][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.173271][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.173443][  T189]  ? ksys_write (fs/read_write.c:740)
[   13.173619][  T189]  vfs_write (fs/read_write.c:688)
[   13.173754][  T189]  ksys_write (fs/read_write.c:740)
[   13.173885][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   13.174061][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   13.174246][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.174421][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.174587][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   13.174757][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.174973][  T189] RIP: 0033:0x7f11a01cd08e
[   13.175157][  T189] 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
[   13.175789][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.176063][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   13.176320][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   13.176578][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   13.176830][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   13.177084][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   13.370953][  T189] ------------[ cut here ]------------
| [   13.371233][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   13.371661][  T189] Modules linked in: netdevsim psample
| [   13.372249][  T189] Tainted: [W]=WARN
[   13.372382][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.372597][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.372815][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.373419][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   13.373640][  T189] RAX: 00000000ffffffa6 RBX: ff1100000b6618c0 RCX: 1ff4000000114e66
[   13.373890][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b66197c
[   13.374136][  T189] RBP: ff1100000eba2000 R08: 1fe22000016cc331 R09: ff1100000ea4d248
[   13.374397][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.374656][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eba2000
[   13.374912][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   13.375211][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.375420][  T189] CR2: 000055bedaf51f90 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   13.375670][  T189] PKRU: 55555554
[   13.375792][  T189] Call Trace:
[   13.375915][  T189]  <TASK>
[   13.376000][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.376176][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.376306][  T189]  register_netdevice (net/core/dev.c:11488)
[   13.376478][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.376697][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   13.376928][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   13.377093][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   13.377306][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   13.377476][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   13.377736][  T189]  ? 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))
[   13.377900][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   13.378036][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.378201][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   13.378423][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   13.378591][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   13.378761][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   13.378924][  T189]  really_probe (drivers/base/dd.c:709)
[   13.379094][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   13.379256][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   13.379434][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   13.379603][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   13.379773][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   13.379939][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   13.380107][  T189]  __device_attach (drivers/base/dd.c:1101)
[   13.380270][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.380448][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   13.380657][  T189]  ? 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)
[   13.380822][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   13.380990][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   13.381156][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   13.381327][  T189]  device_add (drivers/base/core.c:3706)
[   13.381503][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   13.381727][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   13.381891][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   13.382064][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   13.382275][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.382441][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   13.382651][  T189]  ? 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))
[   13.382816][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   13.382982][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   13.383150][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   13.383320][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   13.383448][  T189]  new_sync_write (fs/read_write.c:595)
[   13.383619][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.383781][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.383946][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.384109][  T189]  ? ksys_write (fs/read_write.c:740)
[   13.384278][  T189]  vfs_write (fs/read_write.c:688)
[   13.384407][  T189]  ksys_write (fs/read_write.c:740)
[   13.384543][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   13.384711][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   13.384874][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.385041][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.385210][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   13.385391][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.385608][  T189] RIP: 0033:0x7f11a01cd08e
[   13.385786][  T189] 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
[   13.386378][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.386640][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   13.386883][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   13.387138][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   13.387388][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   13.387643][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   13.528769][  T189] ------------[ cut here ]------------
| [   13.529078][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   13.529460][  T189] Modules linked in: netdevsim psample
| [   13.530032][  T189] Tainted: [W]=WARN
[   13.530207][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.530430][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.530647][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.531253][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   13.531472][  T189] RAX: 00000000ffffffa6 RBX: ff11000007b123c0 RCX: 1ff4000000114e66
[   13.531731][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000007b1247c
[   13.531987][  T189] RBP: ff1100000fa8a000 R08: 1fe2200000f62491 R09: ff1100000ea4d248
[   13.532236][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.532492][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa8a000
[   13.532749][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   13.533049][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.533261][  T189] CR2: 000055bedaf45d30 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   13.533522][  T189] PKRU: 55555554
[   13.533653][  T189] Call Trace:
[   13.533781][  T189]  <TASK>
[   13.533889][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.534067][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.534200][  T189]  register_netdevice (net/core/dev.c:11488)
[   13.534381][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.534600][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   13.534823][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   13.535007][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   13.535221][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   13.535400][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   13.535621][  T189]  ? 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))
[   13.535819][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   13.535947][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.536118][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   13.536331][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   13.536512][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   13.536685][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   13.536852][  T189]  really_probe (drivers/base/dd.c:709)
[   13.537025][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   13.537192][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   13.537359][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   13.537532][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   13.537704][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   13.537879][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   13.538051][  T189]  __device_attach (drivers/base/dd.c:1101)
[   13.538220][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.538411][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   13.538629][  T189]  ? 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)
[   13.538797][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   13.538970][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   13.539140][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   13.539310][  T189]  device_add (drivers/base/core.c:3706)
[   13.539494][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   13.539716][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   13.539897][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   13.540071][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   13.540285][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.540466][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   13.540683][  T189]  ? 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))
[   13.540853][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   13.541022][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   13.541191][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   13.541361][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   13.541493][  T189]  new_sync_write (fs/read_write.c:595)
[   13.541668][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.541844][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.542017][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.542184][  T189]  ? ksys_write (fs/read_write.c:740)
[   13.542358][  T189]  vfs_write (fs/read_write.c:688)
[   13.542495][  T189]  ksys_write (fs/read_write.c:740)
[   13.542626][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   13.542794][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   13.542979][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.543154][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.543329][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   13.543504][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.543719][  T189] RIP: 0033:0x7f11a01cd08e
[   13.543897][  T189] 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
[   13.544513][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.544775][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   13.545036][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   13.545287][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   13.545544][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   13.545809][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   13.701768][  T189] ------------[ cut here ]------------
| [   13.702086][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   13.702483][  T189] Modules linked in: netdevsim psample
| [   13.703050][  T189] Tainted: [W]=WARN
[   13.703186][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.703418][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.703644][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.704259][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   13.704487][  T189] RAX: 00000000ffffffa6 RBX: ff1100000973d380 RCX: 1ff4000000114e66
[   13.704754][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000973d43c
[   13.705006][  T189] RBP: ff1100000fa3a000 R08: 1fe22000012e7a89 R09: ff1100000ea4d248
[   13.705276][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.705537][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa3a000
[   13.705808][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   13.706107][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.706324][  T189] CR2: 00007f0e14c84d80 CR3: 00000000021d3006 CR4: 0000000000771ef0
[   13.706584][  T189] PKRU: 55555554
[   13.706720][  T189] Call Trace:
[   13.706848][  T189]  <TASK>
[   13.706940][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.707125][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.707255][  T189]  register_netdevice (net/core/dev.c:11488)
[   13.707444][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.707670][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   13.707915][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   13.708090][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   13.708302][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   13.708482][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   13.708722][  T189]  ? 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))
[   13.708896][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   13.709033][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.709204][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   13.709424][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   13.709604][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   13.709781][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   13.709951][  T189]  really_probe (drivers/base/dd.c:709)
[   13.710127][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   13.710294][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   13.710468][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   13.710641][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   13.710817][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   13.710985][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   13.711160][  T189]  __device_attach (drivers/base/dd.c:1101)
[   13.711330][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.711505][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   13.711728][  T189]  ? 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)
[   13.711898][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   13.712069][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   13.712247][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   13.712429][  T189]  device_add (drivers/base/core.c:3706)
[   13.712604][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   13.712826][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   13.712997][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   13.713170][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   13.713385][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.713553][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   13.713778][  T189]  ? 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))
[   13.713958][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   13.714136][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   13.714305][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   13.714501][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   13.714634][  T189]  new_sync_write (fs/read_write.c:595)
[   13.714813][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.714987][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.715162][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.715331][  T189]  ? ksys_write (fs/read_write.c:740)
[   13.715588][  T189]  vfs_write (fs/read_write.c:688)
[   13.715720][  T189]  ksys_write (fs/read_write.c:740)
[   13.715856][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   13.716022][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   13.716189][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.716382][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.716553][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   13.716733][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.716946][  T189] RIP: 0033:0x7f11a01cd08e
[   13.717121][  T189] 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
[   13.717721][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.717973][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   13.718220][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   13.718474][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   13.718738][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   13.718994][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   13.863430][  T189] ------------[ cut here ]------------
| [   13.863701][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   13.864089][  T189] Modules linked in: netdevsim psample
| [   13.864706][  T189] Tainted: [W]=WARN
[   13.864836][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.865049][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.865271][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.865887][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   13.866096][  T189] RAX: 00000000ffffffa6 RBX: ff1100000c764580 RCX: 1ff4000000114e66
[   13.866354][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c76463c
[   13.866608][  T189] RBP: ff11000010292000 R08: 1fe22000018ec8c9 R09: ff1100000ea4d248
[   13.866868][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.867109][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010292000
[   13.867354][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   13.867651][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.867867][  T189] CR2: 000055bedaf13c20 CR3: 00000000021d3006 CR4: 0000000000771ef0
[   13.868128][  T189] PKRU: 55555554
[   13.868249][  T189] Call Trace:
[   13.868376][  T189]  <TASK>
[   13.868461][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.868635][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.868768][  T189]  register_netdevice (net/core/dev.c:11488)
[   13.868935][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.869160][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   13.869385][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   13.869551][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   13.869762][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   13.869930][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   13.870132][  T189]  ? 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))
[   13.870298][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   13.870436][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.870619][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   13.870831][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   13.871007][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   13.871174][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   13.871337][  T189]  really_probe (drivers/base/dd.c:709)
[   13.871508][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   13.871675][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   13.871838][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   13.872001][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   13.872180][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   13.872342][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   13.872515][  T189]  __device_attach (drivers/base/dd.c:1101)
[   13.872682][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.872845][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   13.873051][  T189]  ? 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)
[   13.873215][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   13.873394][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   13.873565][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   13.873738][  T189]  device_add (drivers/base/core.c:3706)
[   13.873906][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   13.874117][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   13.874279][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   13.874450][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   13.874659][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.874821][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   13.875024][  T189]  ? 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))
[   13.875193][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   13.875356][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   13.875522][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   13.875703][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   13.875826][  T189]  new_sync_write (fs/read_write.c:595)
[   13.875989][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.876151][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.876329][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.876497][  T189]  ? ksys_write (fs/read_write.c:740)
[   13.876685][  T189]  vfs_write (fs/read_write.c:688)
[   13.876809][  T189]  ksys_write (fs/read_write.c:740)
[   13.876933][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   13.877095][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   13.877262][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.877446][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.877608][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   13.877788][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.877989][  T189] RIP: 0033:0x7f11a01cd08e
[   13.878160][  T189] 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
[   13.878749][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.878996][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   13.879239][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   13.879486][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   13.879735][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   13.879980][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   14.024973][  T189] ------------[ cut here ]------------
| [   14.025270][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   14.025724][  T189] Modules linked in: netdevsim psample
| [   14.026554][  T189] Tainted: [W]=WARN
[   14.026743][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.027061][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.027356][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.028034][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   14.028331][  T189] RAX: 00000000ffffffa6 RBX: ff110000057a0ac0 RCX: 1ff4000000114e66
[   14.028667][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057a0b7c
[   14.028979][  T189] RBP: ff11000009dfa000 R08: 1fe2200000af4171 R09: ff1100000ea4d248
[   14.029283][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.029626][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009dfa000
[   14.029936][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   14.030295][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.030581][  T189] CR2: 000055bedaf1c4f0 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   14.030895][  T189] PKRU: 55555554
[   14.031069][  T189] Call Trace:
[   14.031258][  T189]  <TASK>
[   14.031413][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.031641][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.031829][  T189]  register_netdevice (net/core/dev.c:11488)
[   14.032050][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.032317][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   14.032602][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   14.032840][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   14.033102][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   14.033322][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   14.033593][  T189]  ? 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))
[   14.033830][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   14.034006][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.034237][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   14.034515][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   14.034751][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   14.034975][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   14.035194][  T189]  really_probe (drivers/base/dd.c:709)
[   14.035426][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   14.035664][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   14.035890][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   14.036118][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   14.036352][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   14.036582][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   14.036821][  T189]  __device_attach (drivers/base/dd.c:1101)
[   14.037036][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.037273][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   14.037565][  T189]  ? 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)
[   14.037793][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   14.038020][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   14.038256][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   14.038493][  T189]  device_add (drivers/base/core.c:3706)
[   14.038727][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   14.038990][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   14.039207][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   14.039443][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   14.039709][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.039931][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   14.040201][  T189]  ? 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))
[   14.040536][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   14.040776][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   14.040994][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   14.041226][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   14.041431][  T189]  new_sync_write (fs/read_write.c:595)
[   14.041666][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.041885][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.042105][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.042376][  T189]  ? ksys_write (fs/read_write.c:740)
[   14.042624][  T189]  vfs_write (fs/read_write.c:688)
[   14.042803][  T189]  ksys_write (fs/read_write.c:740)
[   14.042980][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   14.043212][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   14.043444][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.043689][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.043911][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   14.044139][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.044421][  T189] RIP: 0033:0x7f11a01cd08e
[   14.044661][  T189] 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
[   14.045313][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   14.045637][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   14.045941][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   14.046270][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   14.046597][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   14.046902][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   14.184602][  T189] ------------[ cut here ]------------
| [   14.184870][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   14.185222][  T189] Modules linked in: netdevsim psample
| [   14.185845][  T189] Tainted: [W]=WARN
[   14.185975][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.186222][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.186486][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.187113][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   14.187337][  T189] RAX: 00000000ffffffa6 RBX: ff11000013ea2900 RCX: 1ff4000000114e66
[   14.187605][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013ea29bc
[   14.187875][  T189] RBP: ff110000103f2000 R08: 1fe22000027d4539 R09: ff1100000ea4d248
[   14.188127][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   14.188395][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000103f2000
[   14.188658][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   14.188975][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.189196][  T189] CR2: 00007f09066124cc CR3: 00000000021d3001 CR4: 0000000000771ef0
[   14.189458][  T189] PKRU: 55555554
[   14.189587][  T189] Call Trace:
[   14.189719][  T189]  <TASK>
[   14.189810][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.189984][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.190114][  T189]  register_netdevice (net/core/dev.c:11488)
[   14.190296][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.190526][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   14.190758][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   14.190930][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   14.191144][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   14.191314][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   14.191533][  T189]  ? 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))
[   14.191713][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   14.191848][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.192027][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   14.192242][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   14.192431][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   14.192601][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   14.192775][  T189]  really_probe (drivers/base/dd.c:709)
[   14.192980][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   14.193149][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   14.193326][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   14.193539][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   14.193715][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   14.193893][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   14.194078][  T189]  __device_attach (drivers/base/dd.c:1101)
[   14.194248][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.194431][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   14.194650][  T189]  ? 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)
[   14.194828][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   14.194998][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   14.195176][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   14.195348][  T189]  device_add (drivers/base/core.c:3706)
[   14.195528][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   14.195751][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   14.195928][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   14.196101][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   14.196314][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.196490][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   14.196722][  T189]  ? 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))
[   14.196920][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   14.197091][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   14.197260][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   14.197435][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   14.197564][  T189]  new_sync_write (fs/read_write.c:595)
[   14.197745][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.197919][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.198089][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.198258][  T189]  ? ksys_write (fs/read_write.c:740)
[   14.198436][  T189]  vfs_write (fs/read_write.c:688)
[   14.198564][  T189]  ksys_write (fs/read_write.c:740)
[   14.198696][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   14.198863][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   14.199035][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.199213][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.199390][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   14.199578][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.199790][  T189] RIP: 0033:0x7f11a01cd08e
[   14.199975][  T189] 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
[   14.200580][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   14.200843][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   14.201102][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   14.201368][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   14.201628][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   14.201889][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   14.358507][  T189] ------------[ cut here ]------------
| [   14.358872][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   14.359259][  T189] Modules linked in: netdevsim psample
| [   14.360067][  T189] Tainted: [W]=WARN
[   14.360261][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.360558][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.360859][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.361554][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   14.361896][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e06de00 RCX: 1ff4000000114e66
[   14.362200][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e06debc
[   14.362528][  T189] RBP: ff1100000f2d2000 R08: 1fe2200001c0dbd9 R09: ff1100000ea4d248
[   14.362849][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.363168][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2d2000
[   14.363495][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   14.363857][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.364135][  T189] CR2: 000055bedaf44ab0 CR3: 00000000021d3006 CR4: 0000000000771ef0
[   14.364461][  T189] PKRU: 55555554
[   14.364663][  T189] Call Trace:
[   14.364859][  T189]  <TASK>
[   14.364996][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.365223][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.365457][  T189]  register_netdevice (net/core/dev.c:11488)
[   14.365694][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.365959][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   14.366278][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   14.366518][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   14.366791][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   14.367026][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   14.367302][  T189]  ? 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))
[   14.367569][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   14.367767][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.367996][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   14.368271][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   14.368504][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   14.368727][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   14.368960][  T189]  really_probe (drivers/base/dd.c:709)
[   14.369188][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   14.369455][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   14.369686][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   14.369912][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   14.370132][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   14.370468][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   14.370705][  T189]  __device_attach (drivers/base/dd.c:1101)
[   14.370923][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.371164][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   14.371450][  T189]  ? 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)
[   14.371688][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   14.371909][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   14.372128][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   14.372345][  T189]  device_add (drivers/base/core.c:3706)
[   14.372637][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   14.372914][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   14.373134][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   14.373375][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   14.373657][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.373878][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   14.374152][  T189]  ? 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))
[   14.374471][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   14.374706][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   14.374932][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   14.375150][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   14.375348][  T189]  new_sync_write (fs/read_write.c:595)
[   14.375584][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.375828][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.376046][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.376276][  T189]  ? ksys_write (fs/read_write.c:740)
[   14.376533][  T189]  vfs_write (fs/read_write.c:688)
[   14.376736][  T189]  ksys_write (fs/read_write.c:740)
[   14.376911][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   14.377139][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   14.377388][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.377628][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.377866][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   14.378092][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.378351][  T189] RIP: 0033:0x7f11a01cd08e
[   14.378595][  T189] 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
[   14.379257][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   14.379624][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   14.379931][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   14.380238][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   14.380566][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   14.380881][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   14.557568][  T189] ------------[ cut here ]------------
| [   14.557931][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   14.558336][  T189] Modules linked in: netdevsim psample
| [   14.560432][  T189] Tainted: [W]=WARN
[   14.560773][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.561171][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.561594][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.562433][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   14.562856][  T189] RAX: 00000000ffffffa6 RBX: ff1100000c74f700 RCX: 1ff4000000114e66
[   14.563300][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c74f7bc
[   14.563761][  T189] RBP: ff11000010252000 R08: 1fe22000018e9ef9 R09: ff1100000ea4d248
[   14.564200][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.564603][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010252000
[   14.565061][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   14.565532][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.565919][  T189] CR2: 00007f9ebf166574 CR3: 00000000021d3006 CR4: 0000000000771ef0
[   14.566346][  T189] PKRU: 55555554
[   14.566666][  T189] Call Trace:
[   14.566858][  T189]  <TASK>
[   14.567019][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.567251][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.567507][  T189]  register_netdevice (net/core/dev.c:11488)
[   14.567789][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.568077][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   14.568348][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   14.568662][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   14.568934][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   14.569196][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   14.569481][  T189]  ? 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))
[   14.569719][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   14.569899][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.570128][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   14.570409][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   14.570648][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   14.570883][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   14.571102][  T189]  really_probe (drivers/base/dd.c:709)
[   14.571343][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   14.571622][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   14.571855][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   14.572093][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   14.572318][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   14.572573][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   14.572799][  T189]  __device_attach (drivers/base/dd.c:1101)
[   14.573015][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.573245][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   14.573534][  T189]  ? 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)
[   14.573769][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   14.574000][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   14.574222][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   14.574460][  T189]  device_add (drivers/base/core.c:3706)
[   14.574685][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   14.574963][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   14.575194][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   14.575433][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   14.575708][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.575925][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   14.576193][  T189]  ? 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))
[   14.576444][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   14.576668][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   14.576886][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   14.577120][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   14.577319][  T189]  new_sync_write (fs/read_write.c:595)
[   14.577562][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.577812][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.578032][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.578254][  T189]  ? ksys_write (fs/read_write.c:740)
[   14.578491][  T189]  vfs_write (fs/read_write.c:688)
[   14.578683][  T189]  ksys_write (fs/read_write.c:740)
[   14.578871][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   14.579095][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   14.579313][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.579553][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.579783][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   14.580004][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.580280][  T189] RIP: 0033:0x7f11a01cd08e
[   14.580528][  T189] 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
[   14.581229][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   14.581560][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   14.581864][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   14.582167][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   14.582497][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   14.582811][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   14.746567][  T189] ------------[ cut here ]------------
| [   14.746875][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   14.747221][  T189] Modules linked in: netdevsim psample
| [   14.747890][  T189] Tainted: [W]=WARN
[   14.748017][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.748260][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.748511][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.749121][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   14.749337][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e009a80 RCX: 1ff4000000114e66
[   14.749583][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e009b3c
[   14.749855][  T189] RBP: ff11000005f32000 R08: 1fe2200001c01369 R09: ff1100000ea4d248
[   14.750107][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   14.750359][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005f32000
[   14.750611][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   14.750915][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.751119][  T189] CR2: 00007f634d7e7388 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   14.751378][  T189] PKRU: 55555554
[   14.751503][  T189] Call Trace:
[   14.751630][  T189]  <TASK>
[   14.751718][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.751883][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.752008][  T189]  register_netdevice (net/core/dev.c:11488)
[   14.752182][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.752400][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   14.752613][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   14.752783][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   14.752991][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   14.753154][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   14.753360][  T189]  ? 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))
[   14.753540][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   14.753669][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.753845][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   14.754050][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   14.754230][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   14.754503][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   14.754674][  T189]  really_probe (drivers/base/dd.c:709)
[   14.754841][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   14.755003][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   14.755168][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   14.755331][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   14.755573][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   14.755761][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   14.755926][  T189]  __device_attach (drivers/base/dd.c:1101)
[   14.756088][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.756250][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   14.756567][  T189]  ? 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)
[   14.756739][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   14.756902][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   14.757063][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   14.757227][  T189]  device_add (drivers/base/core.c:3706)
[   14.757503][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   14.757714][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   14.757879][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   14.758047][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   14.758267][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.758543][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   14.758766][  T189]  ? 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))
[   14.758932][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   14.759096][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   14.759261][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   14.759527][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   14.759663][  T189]  new_sync_write (fs/read_write.c:595)
[   14.759836][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.759997][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.760176][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.760338][  T189]  ? ksys_write (fs/read_write.c:740)
[   14.760622][  T189]  vfs_write (fs/read_write.c:688)
[   14.760761][  T189]  ksys_write (fs/read_write.c:740)
[   14.760884][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   14.761046][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   14.761226][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.761521][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.761703][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   14.761867][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.762071][  T189] RIP: 0033:0x7f11a01cd08e
[   14.762237][  T189] 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
[   14.762949][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   14.763191][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   14.763553][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   14.763800][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   14.764060][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   14.764305][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   14.950759][  T189] ------------[ cut here ]------------
| [   14.951091][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   14.951480][  T189] Modules linked in: netdevsim psample
| [   14.952029][  T189] Tainted: [W]=WARN
[   14.952153][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.952370][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.952607][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.953247][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   14.953461][  T189] RAX: 00000000ffffffa6 RBX: ff1100000cd238c0 RCX: 1ff4000000114e66
[   14.953728][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd2397c
[   14.953991][  T189] RBP: ff11000013f42000 R08: 1fe22000019a4731 R09: ff1100000ea4d248
[   14.954251][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   14.954513][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013f42000
[   14.954808][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   14.955106][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.955338][  T189] CR2: 00007feabaac48f4 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   14.955622][  T189] PKRU: 55555554
[   14.955748][  T189] Call Trace:
[   14.955874][  T189]  <TASK>
[   14.955965][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.956137][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.956265][  T189]  register_netdevice (net/core/dev.c:11488)
[   14.956439][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.956668][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   14.956884][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   14.957055][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   14.957263][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   14.957438][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   14.957658][  T189]  ? 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))
[   14.957830][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   14.957954][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.958120][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   14.958334][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   14.958504][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   14.958683][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   14.958849][  T189]  really_probe (drivers/base/dd.c:709)
[   14.959014][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   14.959178][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   14.959342][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   14.959512][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   14.959695][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   14.959862][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   14.960030][  T189]  __device_attach (drivers/base/dd.c:1101)
[   14.960195][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.960376][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   14.960592][  T189]  ? 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)
[   14.960767][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   14.960931][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   14.961098][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   14.961278][  T189]  device_add (drivers/base/core.c:3706)
[   14.961456][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   14.961675][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   14.961839][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   14.962008][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   14.962227][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.962536][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   14.962765][  T189]  ? 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))
[   14.962936][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   14.963112][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   14.963279][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   14.963538][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   14.963676][  T189]  new_sync_write (fs/read_write.c:595)
[   14.963845][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.964010][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.964183][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.964347][  T189]  ? ksys_write (fs/read_write.c:740)
[   14.964550][  T189]  vfs_write (fs/read_write.c:688)
[   14.964688][  T189]  ksys_write (fs/read_write.c:740)
[   14.964814][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   14.964983][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   14.965149][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.965319][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.965488][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   14.965663][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.965876][  T189] RIP: 0033:0x7f11a01cd08e
[   14.966051][  T189] 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
[   14.966656][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   14.966912][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   14.967159][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   14.967416][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   14.967668][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   14.967910][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   15.121001][  T189] ------------[ cut here ]------------
| [   15.121279][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   15.121753][  T189] Modules linked in: netdevsim psample
| [   15.122336][  T189] Tainted: [W]=WARN
[   15.122507][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.122724][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.122941][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.123548][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   15.123763][  T189] RAX: 00000000ffffffa6 RBX: ff1100000f1ca580 RCX: 1ff4000000114e66
[   15.124019][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1ca63c
[   15.124273][  T189] RBP: ff11000013fb2000 R08: 1fe2200001e394c9 R09: ff1100000ea4d248
[   15.124527][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.124790][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013fb2000
[   15.125045][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   15.125332][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.125549][  T189] CR2: 00007feabaac48f4 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   15.125800][  T189] PKRU: 55555554
[   15.125923][  T189] Call Trace:
[   15.126053][  T189]  <TASK>
[   15.126139][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.126307][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.126438][  T189]  register_netdevice (net/core/dev.c:11488)
[   15.126611][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.126824][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   15.127036][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   15.127210][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   15.127420][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   15.127596][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   15.127806][  T189]  ? 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))
[   15.127981][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   15.128107][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.128291][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   15.128516][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   15.128689][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   15.128859][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   15.129035][  T189]  really_probe (drivers/base/dd.c:709)
[   15.129202][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   15.129370][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   15.129547][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   15.129718][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   15.129883][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   15.130048][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   15.130215][  T189]  __device_attach (drivers/base/dd.c:1101)
[   15.130394][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.130596][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   15.130818][  T189]  ? 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)
[   15.130982][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   15.131153][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   15.131316][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   15.131487][  T189]  device_add (drivers/base/core.c:3706)
[   15.131675][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   15.131892][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   15.132058][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   15.132231][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   15.132448][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.132627][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   15.132838][  T189]  ? 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))
[   15.133036][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   15.133199][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   15.133378][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   15.133541][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   15.133668][  T189]  new_sync_write (fs/read_write.c:595)
[   15.133833][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.133994][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.134160][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.134334][  T189]  ? ksys_write (fs/read_write.c:740)
[   15.134513][  T189]  vfs_write (fs/read_write.c:688)
[   15.134644][  T189]  ksys_write (fs/read_write.c:740)
[   15.134777][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   15.134960][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   15.135133][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.135297][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.135466][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   15.135660][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.135871][  T189] RIP: 0033:0x7f11a01cd08e
[   15.136043][  T189] 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
[   15.136656][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   15.136906][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   15.137161][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   15.137435][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   15.137702][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   15.137967][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   15.293182][  T189] ------------[ cut here ]------------
| [   15.293499][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   15.293853][  T189] Modules linked in: netdevsim psample
| [   15.294528][  T189] Tainted: [W]=WARN
[   15.294672][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.294920][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.295186][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.295802][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   15.296019][  T189] RAX: 00000000ffffffa6 RBX: ff1100000995ce40 RCX: 1ff4000000114e66
[   15.296271][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000995cefc
[   15.296537][  T189] RBP: ff1100000f072000 R08: 1fe220000132b9e1 R09: ff1100000ea4d248
[   15.296808][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.297057][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f072000
[   15.297344][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   15.297648][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.297887][  T189] CR2: 00007fb8fb81c388 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   15.298140][  T189] PKRU: 55555554
[   15.298270][  T189] Call Trace:
[   15.298404][  T189]  <TASK>
[   15.298492][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.298664][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.298803][  T189]  register_netdevice (net/core/dev.c:11488)
[   15.298972][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.299214][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   15.299441][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   15.299621][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   15.299828][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   15.299999][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   15.300208][  T189]  ? 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))
[   15.300388][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   15.300517][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.300691][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   15.300907][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   15.301080][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   15.301257][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   15.301433][  T189]  really_probe (drivers/base/dd.c:709)
[   15.301608][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   15.301779][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   15.301963][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   15.302138][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   15.302314][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   15.302491][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   15.302686][  T189]  __device_attach (drivers/base/dd.c:1101)
[   15.302849][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.303014][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   15.303222][  T189]  ? 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)
[   15.303393][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   15.303564][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   15.303735][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   15.303909][  T189]  device_add (drivers/base/core.c:3706)
[   15.304075][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   15.304280][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   15.304462][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   15.304646][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   15.304866][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.305030][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   15.305255][  T189]  ? 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))
[   15.305456][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   15.305626][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   15.305803][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   15.305972][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   15.306111][  T189]  new_sync_write (fs/read_write.c:595)
[   15.306284][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.306459][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.306638][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.306812][  T189]  ? ksys_write (fs/read_write.c:740)
[   15.306983][  T189]  vfs_write (fs/read_write.c:688)
[   15.307114][  T189]  ksys_write (fs/read_write.c:740)
[   15.307247][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   15.307424][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   15.307605][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.307784][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.307949][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   15.308122][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.308337][  T189] RIP: 0033:0x7f11a01cd08e
[   15.308523][  T189] 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
[   15.309116][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   15.309370][  T189] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f11a01cd08e
[   15.309622][  T189] RDX: 0000000000000007 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   15.309879][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   15.310134][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   15.310393][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   15.452368][  T189] ------------[ cut here ]------------
| [   15.452693][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   15.453064][  T189] Modules linked in: netdevsim psample
| [   15.453626][  T189] Tainted: [W]=WARN
[   15.453778][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.453991][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.454207][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.454811][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   15.455020][  T189] RAX: 00000000ffffffa6 RBX: ff110000096b3c40 RCX: 1ff4000000114e66
[   15.455273][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096b3cfc
[   15.455596][  T189] RBP: ff1100000e3a2000 R08: 1fe22000012d67a1 R09: ff1100000ea4d248
[   15.455951][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.456226][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e3a2000
[   15.456570][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   15.456867][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.457086][  T189] CR2: 00007ff71a3ca388 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   15.457330][  T189] PKRU: 55555554
[   15.457581][  T189] Call Trace:
[   15.457721][  T189]  <TASK>
[   15.457808][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.457978][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.458175][  T189]  register_netdevice (net/core/dev.c:11488)
[   15.458345][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.458636][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   15.458855][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   15.459024][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   15.459230][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   15.459429][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   15.459650][  T189]  ? 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))
[   15.459821][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   15.459953][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.460121][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   15.460331][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   15.460504][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   15.460677][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   15.460865][  T189]  really_probe (drivers/base/dd.c:709)
[   15.461044][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   15.461219][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   15.461388][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   15.461554][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   15.461748][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   15.461914][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   15.462091][  T189]  __device_attach (drivers/base/dd.c:1101)
[   15.462255][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.462447][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   15.462661][  T189]  ? 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)
[   15.462840][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   15.463017][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   15.463189][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   15.463371][  T189]  device_add (drivers/base/core.c:3706)
[   15.463547][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   15.463757][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   15.463929][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   15.464098][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   15.464325][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.464495][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   15.464710][  T189]  ? 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))
[   15.464881][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   15.465049][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   15.465219][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   15.465396][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   15.465525][  T189]  new_sync_write (fs/read_write.c:595)
[   15.465695][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.465867][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.466043][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.466207][  T189]  ? ksys_write (fs/read_write.c:740)
[   15.466396][  T189]  vfs_write (fs/read_write.c:688)
[   15.466523][  T189]  ksys_write (fs/read_write.c:740)
[   15.466653][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   15.466818][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   15.466992][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.467161][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.467329][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   15.467499][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.467713][  T189] RIP: 0033:0x7f11a01cd08e
[   15.467888][  T189] 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
[   15.468478][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   15.468735][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   15.468978][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   15.469238][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   15.469485][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   15.469737][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   15.622765][  T189] ------------[ cut here ]------------
| [   15.623032][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   15.623427][  T189] Modules linked in: netdevsim psample
| [   15.624019][  T189] Tainted: [W]=WARN
[   15.624153][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.624374][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.624590][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.625193][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   15.625465][  T189] RAX: 00000000ffffffa6 RBX: ff1100000cce7c40 RCX: 1ff4000000114e66
[   15.625757][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cce7cfc
[   15.626003][  T189] RBP: ff1100001016a000 R08: 1fe220000199cfa1 R09: ff1100000ea4d248
[   15.626254][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.626506][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001016a000
[   15.626768][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   15.627074][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.627287][  T189] CR2: 00007f2b739d68f4 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   15.627546][  T189] PKRU: 55555554
[   15.627673][  T189] Call Trace:
[   15.627801][  T189]  <TASK>
[   15.627886][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.628076][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.628209][  T189]  register_netdevice (net/core/dev.c:11488)
[   15.628417][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.628635][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   15.628846][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   15.629012][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   15.629231][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   15.629405][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   15.629623][  T189]  ? 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))
[   15.629788][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   15.629914][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.630092][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   15.630308][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   15.630481][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   15.630653][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   15.630824][  T189]  really_probe (drivers/base/dd.c:709)
[   15.630989][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   15.631151][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   15.631315][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   15.631484][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   15.631666][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   15.631833][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   15.632030][  T189]  __device_attach (drivers/base/dd.c:1101)
[   15.632199][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.632368][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   15.632572][  T189]  ? 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)
[   15.632741][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   15.632906][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   15.633071][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   15.633243][  T189]  device_add (drivers/base/core.c:3706)
[   15.633456][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   15.633683][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   15.633845][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   15.634032][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   15.634246][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.634417][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   15.634633][  T189]  ? 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))
[   15.634809][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   15.634974][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   15.635137][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   15.635309][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   15.635438][  T189]  new_sync_write (fs/read_write.c:595)
[   15.635638][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.635817][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.635982][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.636152][  T189]  ? ksys_write (fs/read_write.c:740)
[   15.636320][  T189]  vfs_write (fs/read_write.c:688)
[   15.636478][  T189]  ksys_write (fs/read_write.c:740)
[   15.636633][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   15.636808][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   15.636973][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.637161][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.637332][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   15.637506][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.637722][  T189] RIP: 0033:0x7f11a01cd08e
[   15.638043][  T189] 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
[   15.638664][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   15.638927][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   15.639169][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   15.639417][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   15.639670][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   15.639931][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   15.772040][  T189] ------------[ cut here ]------------
| [   15.772300][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   15.772750][  T189] Modules linked in: netdevsim psample
| [   15.773352][  T189] Tainted: [W]=WARN
[   15.773494][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.773710][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.773929][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.774541][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   15.774755][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e06d380 RCX: 1ff4000000114e66
[   15.775008][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e06d43c
[   15.775259][  T189] RBP: ff1100001018a000 R08: 1fe2200001c0da89 R09: ff1100000ea4d248
[   15.775526][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.775774][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001018a000
[   15.776019][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   15.776310][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.776526][  T189] CR2: 00007f0e14c84d80 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   15.776777][  T189] PKRU: 55555554
[   15.776898][  T189] Call Trace:
[   15.777022][  T189]  <TASK>
[   15.777107][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.777282][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.777420][  T189]  register_netdevice (net/core/dev.c:11488)
[   15.777588][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.777802][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   15.778018][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   15.778191][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   15.778406][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   15.778573][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   15.778784][  T189]  ? 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))
[   15.778956][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   15.779083][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.779259][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   15.779477][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   15.779657][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   15.779834][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   15.779998][  T189]  really_probe (drivers/base/dd.c:709)
[   15.780170][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   15.780331][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   15.780501][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   15.780675][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   15.780838][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   15.781003][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   15.781168][  T189]  __device_attach (drivers/base/dd.c:1101)
[   15.781329][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.781505][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   15.781714][  T189]  ? 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)
[   15.781878][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   15.782048][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   15.782216][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   15.782384][  T189]  device_add (drivers/base/core.c:3706)
[   15.782558][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   15.782766][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   15.782927][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   15.783100][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   15.783304][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.783558][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   15.783780][  T189]  ? 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))
[   15.783957][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   15.784126][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   15.784297][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   15.784554][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   15.784694][  T189]  new_sync_write (fs/read_write.c:595)
[   15.784873][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.785040][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.785214][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.785423][  T189]  ? ksys_write (fs/read_write.c:740)
[   15.785598][  T189]  vfs_write (fs/read_write.c:688)
[   15.785730][  T189]  ksys_write (fs/read_write.c:740)
[   15.785854][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   15.786018][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   15.786185][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.786355][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.786523][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   15.786699][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.786903][  T189] RIP: 0033:0x7f11a01cd08e
[   15.787074][  T189] 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
[   15.787671][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   15.787924][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   15.788168][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   15.788416][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   15.788676][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   15.788921][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   16.013149][  T189] ------------[ cut here ]------------
| [   16.013425][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   16.013836][  T189] Modules linked in: netdevsim psample
| [   16.014463][  T189] Tainted: [W]=WARN
[   16.014592][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.014840][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.015074][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.015686][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   16.015897][  T189] RAX: 00000000ffffffa6 RBX: ff11000008fed380 RCX: 1ff4000000114e66
[   16.016148][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fed43c
[   16.016406][  T189] RBP: ff1100000fd92000 R08: 1fe22000011fda89 R09: ff1100000ea4d248
[   16.016659][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.016920][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd92000
[   16.017176][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   16.017484][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.017700][  T189] CR2: 00007f3834186574 CR3: 00000000021d3002 CR4: 0000000000771ef0
[   16.017955][  T189] PKRU: 55555554
[   16.018090][  T189] Call Trace:
[   16.018218][  T189]  <TASK>
[   16.018306][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.018489][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.018622][  T189]  register_netdevice (net/core/dev.c:11488)
[   16.018797][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.019016][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   16.019234][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   16.019411][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   16.019624][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   16.019793][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   16.020011][  T189]  ? 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))
[   16.020179][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   16.020312][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.020493][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   16.020723][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   16.020896][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   16.021067][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   16.021241][  T189]  really_probe (drivers/base/dd.c:709)
[   16.021416][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   16.021586][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   16.021758][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   16.021952][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   16.022127][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   16.022295][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   16.022469][  T189]  __device_attach (drivers/base/dd.c:1101)
[   16.022645][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.022820][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   16.023048][  T189]  ? 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)
[   16.023220][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   16.023408][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   16.023581][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   16.023761][  T189]  device_add (drivers/base/core.c:3706)
[   16.023929][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   16.024139][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   16.024309][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   16.024487][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   16.024704][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.024878][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   16.025116][  T189]  ? 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))
[   16.025287][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   16.025491][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   16.025665][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   16.025834][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   16.025966][  T189]  new_sync_write (fs/read_write.c:595)
[   16.026141][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.026308][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.026484][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.026662][  T189]  ? ksys_write (fs/read_write.c:740)
[   16.026835][  T189]  vfs_write (fs/read_write.c:688)
[   16.026963][  T189]  ksys_write (fs/read_write.c:740)
[   16.027098][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   16.027270][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   16.027467][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.027640][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.027816][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   16.027985][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.028197][  T189] RIP: 0033:0x7f11a01cd08e
[   16.028377][  T189] 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
[   16.028985][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   16.029239][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   16.029494][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   16.029752][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   16.030002][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   16.030256][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   16.183526][  T189] ------------[ cut here ]------------
| [   16.183791][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/189
| [   16.184202][  T189] Modules linked in: netdevsim psample
| [   16.184846][  T189] Tainted: [W]=WARN
[   16.184975][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.185198][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.185440][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.186070][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   16.186285][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e009380 RCX: 1ff4000000114e66
[   16.186557][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e00943c
[   16.186813][  T189] RBP: ff1100001021a000 R08: 1fe2200001c01289 R09: ff1100000ea4d248
[   16.187066][  T189] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.187315][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001021a000
[   16.187579][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   16.187879][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.188099][  T189] CR2: 00007f8e179a0574 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   16.188371][  T189] PKRU: 55555554
[   16.188497][  T189] Call Trace:
[   16.188625][  T189]  <TASK>
[   16.188712][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.188914][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.189041][  T189]  register_netdevice (net/core/dev.c:11488)
[   16.189211][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.189496][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   16.189732][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   16.189910][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   16.190128][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   16.190297][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   16.190577][  T189]  ? 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))
[   16.190752][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   16.190883][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.191054][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   16.191268][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   16.191517][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   16.191764][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   16.191930][  T189]  really_probe (drivers/base/dd.c:709)
[   16.192103][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   16.192269][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   16.192515][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   16.192687][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   16.192854][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   16.193021][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   16.193196][  T189]  __device_attach (drivers/base/dd.c:1101)
[   16.193432][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.193601][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   16.193818][  T189]  ? 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)
[   16.193991][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   16.194167][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   16.194334][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   16.194572][  T189]  device_add (drivers/base/core.c:3706)
[   16.194749][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   16.194957][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   16.195124][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   16.195300][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   16.195584][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.195754][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   16.195973][  T189]  ? 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))
[   16.196143][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   16.196311][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   16.196554][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   16.196727][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   16.196853][  T189]  new_sync_write (fs/read_write.c:595)
[   16.197021][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.197194][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.197435][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.197608][  T189]  ? ksys_write (fs/read_write.c:740)
[   16.197784][  T189]  vfs_write (fs/read_write.c:688)
[   16.197912][  T189]  ksys_write (fs/read_write.c:740)
[   16.198041][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   16.198208][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   16.198446][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.198618][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.198789][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   16.198957][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.199163][  T189] RIP: 0033:0x7f11a01cd08e
[   16.199352][  T189] 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
[   16.200024][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   16.200276][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   16.200609][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   16.200872][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   16.201127][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   16.201486][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   16.353009][  T189] ------------[ cut here ]------------
| [   16.353310][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   16.353839][  T189] Modules linked in: netdevsim psample
| [   16.354543][  T189] Tainted: [W]=WARN
[   16.354795][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.355068][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.355354][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.356038][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   16.356319][  T189] RAX: 00000000ffffffa6 RBX: ff1100000cd23a80 RCX: 1ff4000000114e66
[   16.356654][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd23b3c
[   16.356971][  T189] RBP: ff1100000e8a2000 R08: 1fe22000019a4769 R09: ff1100000ea4d248
[   16.357288][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.357616][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e8a2000
[   16.357927][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   16.358271][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.358562][  T189] CR2: 00007f7ba0b77388 CR3: 00000000021d3006 CR4: 0000000000771ef0
[   16.358873][  T189] PKRU: 55555554
[   16.359054][  T189] Call Trace:
[   16.359252][  T189]  <TASK>
[   16.359410][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.359641][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.359817][  T189]  register_netdevice (net/core/dev.c:11488)
[   16.360061][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.360322][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   16.360599][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   16.360829][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   16.361099][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   16.361320][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   16.361650][  T189]  ? 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))
[   16.361894][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   16.362072][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.362306][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   16.362585][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   16.362835][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   16.363059][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   16.363280][  T189]  really_probe (drivers/base/dd.c:709)
[   16.363521][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   16.363751][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   16.363974][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   16.364204][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   16.364442][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   16.364680][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   16.364906][  T189]  __device_attach (drivers/base/dd.c:1101)
[   16.365124][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.365344][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   16.365633][  T189]  ? 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)
[   16.365878][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   16.366102][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   16.366320][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   16.366548][  T189]  device_add (drivers/base/core.c:3706)
[   16.366777][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   16.367038][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   16.367264][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   16.367603][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   16.368000][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.368285][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   16.368557][  T189]  ? 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))
[   16.368797][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   16.369032][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   16.369254][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   16.369510][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   16.369721][  T189]  new_sync_write (fs/read_write.c:595)
[   16.369945][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.370206][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.370439][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.370683][  T189]  ? ksys_write (fs/read_write.c:740)
[   16.370921][  T189]  vfs_write (fs/read_write.c:688)
[   16.371112][  T189]  ksys_write (fs/read_write.c:740)
[   16.371294][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   16.371530][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   16.371763][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.371988][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.372209][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   16.372452][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.372721][  T189] RIP: 0033:0x7f11a01cd08e
[   16.372962][  T189] 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
[   16.373654][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   16.373963][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   16.374276][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   16.374584][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   16.374906][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   16.375218][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   16.541945][  T189] ------------[ cut here ]------------
| [   16.542255][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   16.542685][  T189] Modules linked in: netdevsim psample
| [   16.543518][  T189] Tainted: [W]=WARN
[   16.543712][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.544045][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.544329][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.545028][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   16.545295][  T189] RAX: 00000000ffffffa6 RBX: ff1100000bd943c0 RCX: 1ff4000000114e66
[   16.545616][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd9447c
[   16.545936][  T189] RBP: ff1100000fff2000 R08: 1fe22000017b2891 R09: ff1100000ea4d248
[   16.546241][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.546700][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fff2000
[   16.547123][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   16.547603][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.547988][  T189] CR2: 00007fe6a7177574 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   16.548422][  T189] PKRU: 55555554
[   16.548750][  T189] Call Trace:
[   16.549061][  T189]  <TASK>
[   16.549329][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.549834][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.550154][  T189]  register_netdevice (net/core/dev.c:11488)
[   16.550551][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.550967][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   16.551394][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   16.551779][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   16.552197][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   16.552586][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   16.553000][  T189]  ? 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))
[   16.553398][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   16.553727][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.554091][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   16.554492][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   16.554855][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   16.555175][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   16.555529][  T189]  really_probe (drivers/base/dd.c:709)
[   16.555896][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   16.556227][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   16.556589][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   16.556921][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   16.557236][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   16.557493][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   16.557733][  T189]  __device_attach (drivers/base/dd.c:1101)
[   16.557975][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.558204][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   16.558492][  T189]  ? 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)
[   16.558737][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   16.558973][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   16.559212][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   16.559459][  T189]  device_add (drivers/base/core.c:3706)
[   16.559705][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   16.559980][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   16.560219][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   16.560466][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   16.560764][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.560987][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   16.561267][  T189]  ? 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))
[   16.561512][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   16.561768][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   16.561995][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   16.562217][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   16.562412][  T189]  new_sync_write (fs/read_write.c:595)
[   16.562651][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.562882][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.563115][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.563337][  T189]  ? ksys_write (fs/read_write.c:740)
[   16.563589][  T189]  vfs_write (fs/read_write.c:688)
[   16.563788][  T189]  ksys_write (fs/read_write.c:740)
[   16.563976][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   16.564214][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   16.564455][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.564705][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.564944][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   16.565194][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.565472][  T189] RIP: 0033:0x7f11a01cd08e
[   16.565722][  T189] 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
[   16.566420][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   16.566755][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   16.567060][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   16.567385][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   16.567716][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   16.568028][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   16.747986][  T189] ------------[ cut here ]------------
| [   16.748301][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   16.748811][  T189] Modules linked in: netdevsim psample
| [   16.749572][  T189] Tainted: [W]=WARN
[   16.749763][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.750026][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.750311][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.751042][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   16.751323][  T189] RAX: 00000000ffffffa6 RBX: ff1100000c764740 RCX: 1ff4000000114e66
[   16.751674][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7647fc
[   16.751992][  T189] RBP: ff11000009af2000 R08: 1fe22000018ec901 R09: ff1100000ea4d248
[   16.752306][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.752618][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009af2000
[   16.752929][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   16.753298][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.753582][  T189] CR2: 00007f9fa0c848f4 CR3: 00000000021d3001 CR4: 0000000000771ef0
[   16.753895][  T189] PKRU: 55555554
[   16.754078][  T189] Call Trace:
[   16.754274][  T189]  <TASK>
[   16.754430][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.754678][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.754882][  T189]  register_netdevice (net/core/dev.c:11488)
[   16.755110][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.755401][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   16.755715][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   16.755979][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   16.756243][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   16.756475][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   16.756748][  T189]  ? 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))
[   16.756970][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   16.757167][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.757404][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   16.757689][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   16.757933][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   16.758172][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   16.758407][  T189]  really_probe (drivers/base/dd.c:709)
[   16.758643][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   16.758880][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   16.759108][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   16.759326][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   16.759579][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   16.759820][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   16.760047][  T189]  __device_attach (drivers/base/dd.c:1101)
[   16.760263][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.760502][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   16.760771][  T189]  ? 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)
[   16.760992][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   16.761218][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   16.761450][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   16.761677][  T189]  device_add (drivers/base/core.c:3706)
[   16.761896][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   16.762159][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   16.762399][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   16.762644][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   16.762931][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.763151][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   16.763431][  T189]  ? 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))
[   16.763676][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   16.763917][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   16.764136][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   16.764354][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   16.764557][  T189]  new_sync_write (fs/read_write.c:595)
[   16.764803][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.765037][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.765255][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.765486][  T189]  ? ksys_write (fs/read_write.c:740)
[   16.765720][  T189]  vfs_write (fs/read_write.c:688)
[   16.765913][  T189]  ksys_write (fs/read_write.c:740)
[   16.766089][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   16.766331][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   16.766562][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.766805][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.767028][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   16.767270][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.767545][  T189] RIP: 0033:0x7f11a01cd08e
[   16.767804][  T189] 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
[   16.768501][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   16.768835][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   16.769135][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   16.769457][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   16.769782][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   16.770086][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   16.918682][  T189] ------------[ cut here ]------------
| [   16.918989][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/189
| [   16.919581][  T189] Modules linked in: netdevsim psample
| [   16.920239][  T189] Tainted: [W]=WARN
[   16.920493][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.920756][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.921030][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.921716][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   16.921983][  T189] RAX: 00000000ffffffa6 RBX: ff11000005656740 RCX: 1ff4000000114e66
[   16.922287][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056567fc
[   16.922610][  T189] RBP: ff110000140da000 R08: 1fe2200000acad01 R09: ff1100000ea4d248
[   16.922923][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.923227][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000140da000
[   16.923543][  T189] FS:  00007f11a0045400(0000) GS:ff110000d13c7000(0000) knlGS:0000000000000000
[   16.923909][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.924177][  T189] CR2: 00007f0e15681580 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   16.924504][  T189] PKRU: 55555554
[   16.924688][  T189] Call Trace:
[   16.924870][  T189]  <TASK>
[   16.925004][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.925230][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.925418][  T189]  register_netdevice (net/core/dev.c:11488)
[   16.925639][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.925900][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   16.926161][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   16.926408][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   16.926686][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   16.926903][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   16.927165][  T189]  ? 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))
[   16.927404][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   16.927583][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.927808][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   16.928076][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   16.928297][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   16.928530][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   16.928763][  T189]  really_probe (drivers/base/dd.c:709)
[   16.928986][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   16.929209][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   16.929457][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   16.929683][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   16.929906][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   16.930129][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   16.930346][  T189]  __device_attach (drivers/base/dd.c:1101)
[   16.930571][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.930814][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   16.931066][  T189]  ? 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)
[   16.931279][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   16.931504][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   16.931726][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   16.931943][  T189]  device_add (drivers/base/core.c:3706)
[   16.932169][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   16.932443][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   16.932662][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   16.932886][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   16.933165][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.933406][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   16.933668][  T189]  ? 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))
[   16.933895][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   16.934115][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   16.934337][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   16.934563][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   16.934754][  T189]  new_sync_write (fs/read_write.c:595)
[   16.934978][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.935189][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.935420][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.935653][  T189]  ? ksys_write (fs/read_write.c:740)
[   16.935869][  T189]  vfs_write (fs/read_write.c:688)
[   16.936044][  T189]  ksys_write (fs/read_write.c:740)
[   16.936218][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   16.936448][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   16.936679][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.936902][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.937122][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   16.937334][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.937598][  T189] RIP: 0033:0x7f11a01cd08e
[   16.937828][  T189] 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
[   16.938479][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   16.938779][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   16.939068][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   16.939434][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   16.939752][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   16.940055][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   17.083834][  T189] ------------[ cut here ]------------
| [   17.084243][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   17.084633][  T189] Modules linked in: netdevsim psample
| [   17.085212][  T189] Tainted: [W]=WARN
[   17.085341][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.085621][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.085872][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.086488][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   17.086709][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e02c740 RCX: 1ff4000000114e66
[   17.086976][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e02c7fc
[   17.087228][  T189] RBP: ff110000141c2000 R08: 1fe2200001c05901 R09: ff1100000ea4d248
[   17.087483][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   17.087747][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000141c2000
[   17.087999][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   17.088296][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.088519][  T189] CR2: 000055bedadbf000 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   17.088779][  T189] PKRU: 55555554
[   17.088915][  T189] Call Trace:
[   17.089043][  T189]  <TASK>
[   17.089137][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.089320][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.089461][  T189]  register_netdevice (net/core/dev.c:11488)
[   17.089641][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   17.089860][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   17.090095][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   17.090266][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   17.090486][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   17.090665][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   17.090882][  T189]  ? 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))
[   17.091055][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   17.091182][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.091354][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   17.091574][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   17.091752][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   17.091925][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   17.092099][  T189]  really_probe (drivers/base/dd.c:709)
[   17.092267][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   17.092447][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   17.092617][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   17.092799][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   17.092968][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   17.093139][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   17.093317][  T189]  __device_attach (drivers/base/dd.c:1101)
[   17.093491][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.093665][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   17.093876][  T189]  ? 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)
[   17.094052][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   17.094221][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   17.094398][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   17.094568][  T189]  device_add (drivers/base/core.c:3706)
[   17.094748][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   17.094958][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   17.095137][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   17.095324][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   17.095557][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.095732][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   17.095950][  T189]  ? 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))
[   17.096129][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   17.096311][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   17.096489][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   17.096664][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   17.096797][  T189]  new_sync_write (fs/read_write.c:595)
[   17.096965][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.097139][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.097320][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.097535][  T189]  ? ksys_write (fs/read_write.c:740)
[   17.097714][  T189]  vfs_write (fs/read_write.c:688)
[   17.097844][  T189]  ksys_write (fs/read_write.c:740)
[   17.097971][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   17.098149][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   17.098326][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.098545][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.098730][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   17.098913][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.099123][  T189] RIP: 0033:0x7f11a01cd08e
[   17.099308][  T189] 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
[   17.099945][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   17.100197][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   17.100459][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   17.100721][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   17.100980][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   17.101231][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   17.308255][  T189] ------------[ cut here ]------------
| [   17.308532][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   17.308867][  T189] Modules linked in: netdevsim psample
| [   17.309503][  T189] Tainted: [W]=WARN
[   17.309669][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.309929][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.310148][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.310786][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   17.311030][  T189] RAX: 00000000ffffffa6 RBX: ff11000010376040 RCX: 1ff4000000114e66
[   17.311283][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103760fc
[   17.311536][  T189] RBP: ff1100001433a000 R08: 1fe220000206ec21 R09: ff1100000ea4d248
[   17.311790][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   17.312039][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001433a000
[   17.312296][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   17.312659][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.312865][  T189] CR2: 000055bedaf13c20 CR3: 00000000021d3003 CR4: 0000000000771ef0
[   17.313128][  T189] PKRU: 55555554
[   17.313249][  T189] Call Trace:
[   17.313377][  T189]  <TASK>
[   17.313461][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.313632][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.313757][  T189]  register_netdevice (net/core/dev.c:11488)
[   17.313924][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   17.314142][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   17.314357][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   17.314535][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   17.314746][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   17.314908][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   17.315118][  T189]  ? 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))
[   17.315283][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   17.315418][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.315596][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   17.315830][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   17.315998][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   17.316172][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   17.316337][  T189]  really_probe (drivers/base/dd.c:709)
[   17.316503][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   17.316669][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   17.316834][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   17.316995][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   17.317162][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   17.317324][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   17.320829][  T189]  __device_attach (drivers/base/dd.c:1101)
[   17.320998][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.321166][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   17.321379][  T189]  ? 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)
[   17.321550][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   17.321731][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   17.321902][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   17.322075][  T189]  device_add (drivers/base/core.c:3706)
[   17.322239][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   17.322560][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   17.322738][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   17.322932][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   17.323137][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.323305][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   17.323517][  T189]  ? 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))
[   17.323691][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   17.323865][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   17.324032][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   17.324196][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   17.324325][  T189]  new_sync_write (fs/read_write.c:595)
[   17.324502][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.324668][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.324834][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.325008][  T189]  ? ksys_write (fs/read_write.c:740)
[   17.325178][  T189]  vfs_write (fs/read_write.c:688)
[   17.325304][  T189]  ksys_write (fs/read_write.c:740)
[   17.325434][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   17.325600][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   17.325768][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.325942][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.326113][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   17.326279][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.326497][  T189] RIP: 0033:0x7f11a01cd08e
[   17.326674][  T189] 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
[   17.327261][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   17.327518][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   17.327786][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   17.328032][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   17.328287][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   17.328538][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   17.480430][  T189] ------------[ cut here ]------------
| [   17.480712][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   17.481121][  T189] Modules linked in: netdevsim psample
| [   17.481733][  T189] Tainted: [W]=WARN
[   17.481863][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.482076][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.482305][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.482978][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   17.483194][  T189] RAX: 00000000ffffffa6 RBX: ff1100000a2e3c40 RCX: 1ff4000000114e66
[   17.483448][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2e3cfc
[   17.483704][  T189] RBP: ff11000010262000 R08: 1fe220000145c7a1 R09: ff1100000ea4d248
[   17.483957][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   17.484216][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010262000
[   17.484476][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   17.484779][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.484994][  T189] CR2: 000055bedaf45d30 CR3: 00000000021d3004 CR4: 0000000000771ef0
[   17.485251][  T189] PKRU: 55555554
[   17.485390][  T189] Call Trace:
[   17.485521][  T189]  <TASK>
[   17.485609][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.485796][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.485940][  T189]  register_netdevice (net/core/dev.c:11488)
[   17.486113][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   17.486341][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   17.486580][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   17.486759][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   17.486969][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   17.487142][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   17.487354][  T189]  ? 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))
[   17.487528][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   17.487660][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.487838][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   17.488051][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   17.488224][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   17.488397][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   17.488566][  T189]  really_probe (drivers/base/dd.c:709)
[   17.488760][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   17.488927][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   17.489102][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   17.489269][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   17.489456][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   17.489629][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   17.489802][  T189]  __device_attach (drivers/base/dd.c:1101)
[   17.489971][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.490140][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   17.490351][  T189]  ? 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)
[   17.490527][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   17.490709][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   17.490878][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   17.491049][  T189]  device_add (drivers/base/core.c:3706)
[   17.491229][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   17.491475][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   17.491664][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   17.491848][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   17.492060][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.492228][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   17.492448][  T189]  ? 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))
[   17.492619][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   17.492795][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   17.492992][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   17.493167][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   17.493302][  T189]  new_sync_write (fs/read_write.c:595)
[   17.493483][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.493665][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.493834][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.494007][  T189]  ? ksys_write (fs/read_write.c:740)
[   17.494185][  T189]  vfs_write (fs/read_write.c:688)
[   17.494312][  T189]  ksys_write (fs/read_write.c:740)
[   17.494468][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   17.494641][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   17.494812][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.494982][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.495161][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   17.495339][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.495560][  T189] RIP: 0033:0x7f11a01cd08e
[   17.495741][  T189] 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
[   17.496368][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   17.496629][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   17.496888][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   17.497145][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   17.497412][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   17.497670][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   17.638059][  T189] ------------[ cut here ]------------
| [   17.638417][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   17.638762][  T189] Modules linked in: netdevsim psample
| [   17.639327][  T189] Tainted: [W]=WARN
[   17.639463][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.639690][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.639908][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.640530][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   17.640746][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e0e03c0 RCX: 1ff4000000114e66
[   17.640997][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e0e047c
[   17.641254][  T189] RBP: ff1100000f1ba000 R08: 1fe2200001c1c091 R09: ff1100000ea4d248
[   17.641564][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   17.641827][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1ba000
[   17.642076][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   17.642385][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.642598][  T189] CR2: 00007f0e14c84d80 CR3: 00000000021d3004 CR4: 0000000000771ef0
[   17.642871][  T189] PKRU: 55555554
[   17.643005][  T189] Call Trace:
[   17.643133][  T189]  <TASK>
[   17.643228][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.643404][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.643538][  T189]  register_netdevice (net/core/dev.c:11488)
[   17.643716][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   17.643930][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   17.644147][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   17.644316][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   17.644533][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   17.644707][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   17.644920][  T189]  ? 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))
[   17.645089][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   17.645217][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.645393][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   17.645605][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   17.645784][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   17.645956][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   17.646135][  T189]  really_probe (drivers/base/dd.c:709)
[   17.646308][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   17.646480][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   17.646658][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   17.646825][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   17.646990][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   17.647163][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   17.647343][  T189]  __device_attach (drivers/base/dd.c:1101)
[   17.647522][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.647700][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   17.647914][  T189]  ? 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)
[   17.648082][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   17.648251][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   17.648422][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   17.648590][  T189]  device_add (drivers/base/core.c:3706)
[   17.648770][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   17.648976][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   17.649148][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   17.649317][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   17.649532][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.649703][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   17.649913][  T189]  ? 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))
[   17.650082][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   17.650255][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   17.650424][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   17.650591][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   17.650724][  T189]  new_sync_write (fs/read_write.c:595)
[   17.650901][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.651070][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.651240][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.651412][  T189]  ? ksys_write (fs/read_write.c:740)
[   17.651587][  T189]  vfs_write (fs/read_write.c:688)
[   17.651726][  T189]  ksys_write (fs/read_write.c:740)
[   17.651857][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   17.652030][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   17.652198][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.652376][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.652551][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   17.652724][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.652941][  T189] RIP: 0033:0x7f11a01cd08e
[   17.653121][  T189] 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
[   17.653804][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   17.654057][  T189] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f11a01cd08e
[   17.654312][  T189] RDX: 0000000000000008 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   17.654640][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   17.654892][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   17.655147][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   17.800529][  T189] ------------[ cut here ]------------
| [   17.800791][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/189
| [   17.801213][  T189] Modules linked in: netdevsim psample
| [   17.801851][  T189] Tainted: [W]=WARN
[   17.801979][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.802189][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.802413][  T189] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.803022][  T189] RSP: 0018:ffa00000008a7500 EFLAGS: 00010286
[   17.803238][  T189] RAX: 00000000ffffffa6 RBX: ff1100000e02da80 RCX: 1ff4000000114e66
[   17.803569][  T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e02db3c
[   17.803825][  T189] RBP: ff110000158c2000 R08: 1fe2200001c05b69 R09: ff1100000ea4d248
[   17.804146][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   17.804470][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000158c2000
[   17.804724][  T189] FS:  00007f11a0045400(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   17.805018][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.805228][  T189] CR2: 00007f91e5655388 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   17.805555][  T189] PKRU: 55555554
[   17.805699][  T189] Call Trace:
[   17.805834][  T189]  <TASK>
[   17.805922][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.806093][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.806222][  T189]  register_netdevice (net/core/dev.c:11488)
[   17.806500][  T189]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   17.806716][  T189] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   17.806936][  T189] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   17.807108][  T189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   17.807320][  T189]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   17.807542][  T189]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   17.807757][  T189]  ? 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))
[   17.807926][  T189]  ? static_obj (kernel/locking/lockdep.c:858)
[   17.808054][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.808226][  T189]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   17.808443][  T189] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   17.808614][  T189]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   17.808794][  T189]  call_driver_probe (drivers/base/dd.c:629)
[   17.808961][  T189]  really_probe (drivers/base/dd.c:709)
[   17.809130][  T189]  ? driver_probe_device (drivers/base/dd.c:135)
[   17.809301][  T189]  __driver_probe_device (drivers/base/dd.c:871)
[   17.809488][  T189]  driver_probe_device (drivers/base/dd.c:901)
[   17.809661][  T189]  __device_attach_driver (drivers/base/dd.c:1029)
[   17.809830][  T189]  bus_for_each_drv (drivers/base/bus.c:500)
[   17.809999][  T189]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   17.810170][  T189]  __device_attach (drivers/base/dd.c:1101)
[   17.810336][  T189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.810517][  T189]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   17.810732][  T189]  ? 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)
[   17.810906][  T189]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   17.811082][  T189]  device_initial_probe (drivers/base/dd.c:1156)
[   17.811249][  T189]  bus_probe_device (drivers/base/bus.c:613)
[   17.811427][  T189]  device_add (drivers/base/core.c:3706)
[   17.811601][  T189]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   17.811814][  T189]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   17.811983][  T189]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   17.812161][  T189] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   17.812375][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.812552][  T189]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   17.812770][  T189]  ? 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))
[   17.812947][  T189]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   17.813132][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   17.813302][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   17.813481][  T189]  ? kernfs_ops (fs/kernfs/file.c:128)
[   17.813613][  T189]  new_sync_write (fs/read_write.c:595)
[   17.813792][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.813966][  T189]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.814139][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.814307][  T189]  ? ksys_write (fs/read_write.c:740)
[   17.814484][  T189]  vfs_write (fs/read_write.c:688)
[   17.814616][  T189]  ksys_write (fs/read_write.c:740)
[   17.814747][  T189]  ? __ia32_sys_read (fs/read_write.c:724)
[   17.814918][  T189]  ? kernfs_fop_llseek (fs/kernfs/file.c:908)
[   17.815086][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.815256][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.815437][  T189]  ? irq_exit_rcu (kernel/softirq.c:754)
[   17.815612][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.815823][  T189] RIP: 0033:0x7f11a01cd08e
[   17.816009][  T189] 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
[   17.816616][  T189] RSP: 002b:00007fff05ecba50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   17.816880][  T189] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f11a01cd08e
[   17.817131][  T189] RDX: 0000000000000009 RSI: 000055b38c8f7e00 RDI: 000000000000000a
[   17.817393][  T189] RBP: 00007fff05ecba60 R08: 0000000000000000 R09: 0000000000000000
[   17.817643][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11a0045390
[   17.817893][  T189] R13: 000055b38c8f7e00 R14: 000000000000000a R15: 00007f119ffd10d0
| [   18.009060][   T12] ------------[ cut here ]------------
| [   18.009292][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.009643][   T12] Modules linked in: netdevsim psample
| [   18.010204][   T12] Tainted: [W]=WARN
[   18.010307][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.010517][   T12] Workqueue: netns cleanup_net
[   18.010677][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.010855][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.011306][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.011474][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd94c80 RCX: 1ff4000000018eed
[   18.011676][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd94d3c
[   18.011873][   T12] RBP: ff1100000f089000 R08: 1fe22000017b29a9 R09: ff11000001aed1d0
[   18.012069][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.012267][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.012472][   T12] FS:  0000000000000000(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   18.012711][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.012888][   T12] CR2: 00007f669142b388 CR3: 00000000021d3005 CR4: 0000000000771ef0
[   18.013082][   T12] PKRU: 55555554
[   18.013184][   T12] Call Trace:
[   18.013278][   T12]  <TASK>
[   18.013344][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.013518][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.013690][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.013839][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.013979][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.014114][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.014256][   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)
[   18.014393][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.014523][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.014666][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.014794][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.014922][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.015053][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.015187][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.015312][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.015440][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.015572][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.015711][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.015840][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.015969][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.016100][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.016234][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.016372][   T12]  kthread (kernel/kthread.c:436)
[   18.016467][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.016649][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.016789][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.016914][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.017078][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.017201][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.017330][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.022678][   T12] ------------[ cut here ]------------
| [   18.022843][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.023099][   T12] Modules linked in: netdevsim psample
| [   18.023555][   T12] Tainted: [W]=WARN
[   18.023663][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.023830][   T12] Workqueue: netns cleanup_net
[   18.023970][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.024136][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.024594][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.024767][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd94e40 RCX: 1ff4000000018eed
[   18.024953][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd94efc
[   18.025139][   T12] RBP: ff11000008389000 R08: 1fe22000017b29e1 R09: ff11000001aed1d0
[   18.025325][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.025537][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.025737][   T12] FS:  0000000000000000(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   18.025974][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.026146][   T12] CR2: 00007f669142b388 CR3: 000000001af4d003 CR4: 0000000000771ef0
[   18.026332][   T12] PKRU: 55555554
[   18.026427][   T12] Call Trace:
[   18.026525][   T12]  <TASK>
[   18.026590][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.026784][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.026948][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.027073][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.027208][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.027341][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.027476][   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)
[   18.027611][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.027746][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.027879][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.028006][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.028130][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.028261][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.028398][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.028529][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.028672][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.028794][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.028931][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.029077][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.029208][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.029343][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.029473][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.029602][   T12]  kthread (kernel/kthread.c:436)
[   18.029703][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.029870][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.030004][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.030128][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.030285][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.030437][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.030560][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.035075][   T12] ------------[ cut here ]------------
| [   18.035234][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.035661][   T12] Modules linked in: netdevsim psample
| [   18.036108][   T12] Tainted: [W]=WARN
[   18.036215][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.036467][   T12] Workqueue: netns cleanup_net
[   18.036594][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.036761][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.037200][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.037353][   T12] RAX: 00000000ffffffa6 RBX: ff1100000973d8c0 RCX: 1ff4000000018eed
[   18.037585][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000973d97c
[   18.037772][   T12] RBP: ff110000059e1000 R08: 1fe22000012e7b31 R09: ff11000001aed1d0
[   18.037976][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.038163][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.038415][   T12] FS:  0000000000000000(0000) GS:ff110000d1347000(0000) knlGS:0000000000000000
[   18.038645][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.038800][   T12] CR2: 00007f669142b388 CR3: 000000001af4d003 CR4: 0000000000771ef0
[   18.039008][   T12] PKRU: 55555554
[   18.039099][   T12] Call Trace:
[   18.039237][   T12]  <TASK>
[   18.039307][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.039531][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.039699][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.039834][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.039965][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.040108][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.040235][   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)
[   18.040418][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.040569][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.040709][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.040845][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.040979][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.041111][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.041247][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.041430][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.041552][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.041685][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.041822][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.041961][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.042101][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.042237][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.042428][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.042560][   T12]  kthread (kernel/kthread.c:436)
[   18.042660][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.042825][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.042948][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.043073][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.043232][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.043418][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.043598][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.048761][   T12] ------------[ cut here ]------------
| [   18.048911][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.049179][   T12] Modules linked in: netdevsim psample
| [   18.049660][   T12] Tainted: [W]=WARN
[   18.049754][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.049931][   T12] Workqueue: netns cleanup_net
[   18.050081][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.050249][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.050718][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.050883][   T12] RAX: 00000000ffffffa6 RBX: ff1100000973de00 RCX: 1ff4000000018eed
[   18.051067][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000973debc
[   18.051271][   T12] RBP: ff11000008da4000 R08: 1fe22000012e7bd9 R09: ff11000001aed1d0
[   18.051479][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.051692][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.051879][   T12] FS:  0000000000000000(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   18.052119][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.052285][   T12] CR2: 00007ff04f53b680 CR3: 000000000f897004 CR4: 0000000000771ef0
[   18.052484][   T12] PKRU: 55555554
[   18.052590][   T12] Call Trace:
[   18.052694][   T12]  <TASK>
[   18.052770][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.052957][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.053117][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.053244][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.053374][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.053508][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.053636][   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)
[   18.053765][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.053890][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.054019][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.054142][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.054275][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.054411][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.054540][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.054667][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.054795][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.054921][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.055056][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.055189][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.055319][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.055456][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.055587][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.055725][   T12]  kthread (kernel/kthread.c:436)
[   18.055821][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.055972][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.056097][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.056224][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.056396][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.056525][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.056665][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.067502][   T12] ------------[ cut here ]------------
| [   18.067646][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.067910][   T12] Modules linked in: netdevsim psample
| [   18.068342][   T12] Tainted: [W]=WARN
[   18.068442][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.068600][   T12] Workqueue: netns cleanup_net
[   18.068744][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.068903][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.069361][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.069530][   T12] RAX: 00000000ffffffa6 RBX: ff1100000973c900 RCX: 1ff4000000018eed
[   18.069719][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000973c9bc
[   18.069911][   T12] RBP: ff1100000a97c000 R08: 1fe22000012e7939 R09: ff11000001aed1d0
[   18.070113][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.070296][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.070489][   T12] FS:  0000000000000000(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   18.070716][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.070886][   T12] CR2: 00007ff04f53b680 CR3: 000000000f897004 CR4: 0000000000771ef0
[   18.071070][   T12] PKRU: 55555554
[   18.071161][   T12] Call Trace:
[   18.071252][   T12]  <TASK>
[   18.071316][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.071479][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.071643][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.071768][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.071893][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.072027][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.072162][   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)
[   18.072299][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.072434][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.072568][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.072712][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.072837][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.072978][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.073111][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.073242][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.073384][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.073518][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.073664][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.073797][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.073926][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.074053][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.074183][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.074314][   T12]  kthread (kernel/kthread.c:436)
[   18.074421][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.074584][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.074736][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.074859][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.075030][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.075163][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.075289][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.093192][   T12] ------------[ cut here ]------------
| [   18.093377][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.093646][   T12] Modules linked in: netdevsim psample
| [   18.094083][   T12] Tainted: [W]=WARN
[   18.094184][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.094344][   T12] Workqueue: netns cleanup_net
[   18.094495][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.094689][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.095170][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.095332][   T12] RAX: 00000000ffffffa6 RBX: ff1100000973c200 RCX: 1ff4000000018eaf
[   18.095547][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000973c2bc
[   18.095763][   T12] RBP: ff1100000a829000 R08: 1fe22000012e7859 R09: ff11000001aed1d0
[   18.095977][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.096184][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   18.096392][   T12] FS:  0000000000000000(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   18.096632][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.096804][   T12] CR2: 00007ff04f53b680 CR3: 000000000f897004 CR4: 0000000000771ef0
[   18.097014][   T12] PKRU: 55555554
[   18.097112][   T12] Call Trace:
[   18.097208][   T12]  <TASK>
[   18.097276][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.097421][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.097521][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.097655][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.097782][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.097919][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.098049][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.098187][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.098353][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.098522][   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)
[   18.098659][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.098788][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   18.098927][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.099095][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.099227][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.099360][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.099506][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.099652][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.099782][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.099923][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.100073][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.100210][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.100351][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.100497][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.100630][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.100758][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.100896][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.101035][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.101187][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.101335][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.101488][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.101657][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.101816][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.101949][   T12]  kthread (kernel/kthread.c:436)
[   18.102068][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.102236][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.102387][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.102535][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.102716][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.102851][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.103001][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.105743][   T12] ------------[ cut here ]------------
| [   18.105887][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.106143][   T12] Modules linked in: netdevsim psample
| [   18.106572][   T12] Tainted: [W]=WARN
[   18.106689][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.106856][   T12] Workqueue: netns cleanup_net
[   18.107001][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.107170][   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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.107638][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.107804][   T12] RAX: 00000000ffffffa6 RBX: ff1100000973da80 RCX: 1ff4000000018ed5
[   18.107991][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000973db3c
[   18.108207][   T12] RBP: ff1100000a829000 R08: 1fe22000012e7b69 R09: ff11000001aed1d0
[   18.108431][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.108652][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.108839][   T12] FS:  0000000000000000(0000) GS:ff110000d1447000(0000) knlGS:0000000000000000
[   18.109069][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.109249][   T12] CR2: 00007ff04f53b680 CR3: 000000000f897004 CR4: 0000000000771ef0
[   18.109451][   T12] PKRU: 55555554
[   18.109553][   T12] Call Trace:
[   18.109650][   T12]  <TASK>
[   18.109717][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.109888][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.110055][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.110184][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.110338][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.110475][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.110606][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.110754][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.110902][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.111048][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.111181][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.111308][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.111443][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.111575][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.111704][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.111849][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.111994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.112149][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.112294][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.112425][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.112564][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.112707][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.112838][   T12]  kthread (kernel/kthread.c:436)
[   18.112934][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.113092][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.113220][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.113374][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.113542][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.113672][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
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:__dev_notify_flags:netif_change_flags:dev_change_flags
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:netkit_new_link
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create
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:__ip_tunnel_create:ip_tunnel_init_net