======================================
| [    9.184706][  T182] ------------[ cut here ]------------
| [    9.185571][  T182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/182
| [    9.185862][  T182] Modules linked in: netconsole netdevsim
| [    9.186306][  T182] Tainted: [W]=WARN
[    9.186406][  T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.186600][  T182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.186785][  T182] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.187257][  T182] RSP: 0018:ffa00000006d7aa8 EFLAGS: 00010286
[    9.187425][  T182] RAX: 00000000ffffffa6 RBX: ff1100000c49f9c0 RCX: 1ff40000000daf1b
[    9.187624][  T182] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c49fa70
[    9.187824][  T182] RBP: ff1100000a0d4000 R08: 1fe2200001893f4f R09: ff1100000d2bd180
[    9.188027][  T182] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.188222][  T182] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a0d4000
[    9.188420][  T182] FS:  00007fba6bd3f840(0000) GS:ff110000a1385000(0000) knlGS:0000000000000000
[    9.188650][  T182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.188829][  T182] CR2: 0000000000479648 CR3: 000000000fe17003 CR4: 0000000000771ef0
[    9.189031][  T182] PKRU: 55555554
[    9.189131][  T182] Call Trace:
[    9.189232][  T182]  <TASK>
[    9.189300][  T182]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[    9.189435][  T182]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.189570][  T182]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.189705][  T182]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.189813][  T182]  register_netdevice (net/core/dev.c:11488)
[    9.189958][  T182]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.190123][  T182]  register_netdev (net/core/dev.c:11552)
[    9.190254][  T182]  loopback_net_init (drivers/net/loopback.c:218)
[    9.190392][  T182]  ops_init (net/core/net_namespace.c:137)
[    9.190495][  T182]  setup_net (net/core/net_namespace.c:446)
[    9.190597][  T182]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.190727][  T182]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.190872][  T182]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.191012][  T182]  copy_net_ns (net/core/net_namespace.c:579)
[    9.191144][  T182]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.191278][  T182]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.191413][  T182]  ksys_unshare (kernel/fork.c:3243)
[    9.191547][  T182]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.191679][  T182]  ? __ia32_sys_open (fs/open.c:1374)
[    9.191822][  T182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.191957][  T182]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.192087][  T182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.192217][  T182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.192350][  T182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.192484][  T182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.192666][  T182] RIP: 0033:0x7fba6c001bcb
[    9.192811][  T182] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.193291][  T182] RSP: 002b:00007ffcb3766618 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.193487][  T182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fba6c001bcb
[    9.193683][  T182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.193890][  T182] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.194084][  T182] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb3768840
[    9.194279][  T182] R13: 0000000000000001 R14: 00007fba6bd3f6f8 R15: 00007ffcb376a809
| [    9.226190][  T183] ------------[ cut here ]------------
| [    9.226341][  T183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/183
| [    9.226574][  T183] Modules linked in: netconsole netdevsim
| [    9.227599][  T183] Tainted: [W]=WARN
[    9.227705][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.227970][  T183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.228143][  T183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.228610][  T183] RSP: 0018:ffa00000006e7020 EFLAGS: 00010286
[    9.228910][  T183] RAX: 00000000ffffffa6 RBX: ff1100000c49f0c0 RCX: 1ff40000000dcdca
[    9.229107][  T183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c49f170
[    9.229301][  T183] RBP: ff1100000a0d4000 R08: 1fe2200001893e2f R09: ff1100000d2bae58
[    9.229495][  T183] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.229689][  T183] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.229952][  T183] FS:  00007f0eb1b78840(0000) GS:ff110000a1385000(0000) knlGS:0000000000000000
[    9.230181][  T183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.230346][  T183] CR2: 0000000037297988 CR3: 000000000fe13006 CR4: 0000000000771ef0
[    9.230548][  T183] PKRU: 55555554
[    9.230645][  T183] Call Trace:
[    9.230742][  T183]  <TASK>
[    9.230815][  T183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.230953][  T183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.231052][  T183]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.231182][  T183]  __dev_notify_flags (net/core/dev.c:9787)
[    9.231316][  T183]  ? netif_change_name (net/core/dev.c:1495)
[    9.231445][  T183]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.231576][  T183]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.231705][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.231842][  T183]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.231981][  T183]  netif_change_flags (net/core/dev.c:9820)
[    9.232112][  T183]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.232245][  T183]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.232379][  T183]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.232510][  T183]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.232671][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.232808][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.232942][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.233073][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.233203][  T183]  ? __kernel_text_address (kernel/extable.c:79)
[    9.233334][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.233465][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.233594][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.233724][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.233855][  T183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.233987][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.234117][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.234246][  T183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.234377][  T183]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.234507][  T183]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.234637][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.234775][  T183]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.234911][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.235045][  T183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.235177][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.235306][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.235435][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.235570][  T183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.235701][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.235839][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.235973][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.236103][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.236233][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.236364][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.236493][  T183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.236623][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.236757][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.236891][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.237023][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.237153][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.237284][  T183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.237415][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.237545][  T183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.237678][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.237814][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.237952][  T183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.238084][  T183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.238214][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.238346][  T183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.238477][  T183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.238605][  T183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.238738][  T183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.238874][  T183]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.239009][  T183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.239169][  T183]  ? move_addr_to_kernel (net/socket.c:258)
[    9.239299][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.239429][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.239561][  T183]  ___sys_sendmsg (net/socket.c:2752)
[    9.239691][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.239856][  T183]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.240002][  T183]  __sys_sendmsg (net/socket.c:2784)
[    9.240133][  T183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.240262][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.240426][  T183]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.240561][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.240694][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.240828][  T183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.240963][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.241095][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.241258][  T183] RIP: 0033:0x7f0eb1db208e
[    9.241396][  T183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.241862][  T183] RSP: 002b:00007ffff90f2500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.242066][  T183] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0eb1db208e
[    9.242260][  T183] RDX: 0000000000000000 RSI: 00007ffff90f25b0 RDI: 0000000000000005
[    9.242455][  T183] RBP: 00007ffff90f2510 R08: 0000000000000000 R09: 0000000000000000
[    9.242646][  T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf2
[    9.242846][  T183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff90f2c80
| [    9.337161][  T156] ------------[ cut here ]------------
| [    9.337449][  T156] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: bash/156
| [    9.337972][  T156] Modules linked in: netconsole netdevsim
| [    9.338623][  T156] Tainted: [W]=WARN
[    9.338806][  T156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.339153][  T156] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.339416][  T156] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.340114][  T156] RSP: 0018:ffa00000007e74f8 EFLAGS: 00010286
[    9.340367][  T156] RAX: 00000000ffffffa6 RBX: ff1100000888c040 RCX: 1ff40000000fce65
[    9.340657][  T156] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000888c0f0
[    9.340967][  T156] RBP: ff1100000c1da000 R08: 1fe220000111181f R09: ff1100000c308c48
[    9.341258][  T156] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.341550][  T156] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c1da000
[    9.341855][  T156] FS:  00007f3a8efe3b80(0000) GS:ff110000a1485000(0000) knlGS:0000000000000000
[    9.342195][  T156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.342451][  T156] CR2: 000055bed22de8e0 CR3: 0000000001df3001 CR4: 0000000000771ef0
[    9.342747][  T156] PKRU: 55555554
[    9.342932][  T156] Call Trace:
[    9.343102][  T156]  <TASK>
[    9.343233][  T156]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.343448][  T156]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.343621][  T156]  register_netdevice (net/core/dev.c:11488)
[    9.343844][  T156]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.344101][  T156]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    9.344318][  T156] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.344576][  T156] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.344801][  T156] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.345061][  T156]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.345274][  T156]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.345529][  T156]  ? 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))
[    9.345738][  T156]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.345947][  T156]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.346163][  T156]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.346417][  T156] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    9.346631][  T156]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    9.346854][  T156]  call_driver_probe (drivers/base/dd.c:629)
[    9.347090][  T156]  really_probe (drivers/base/dd.c:709)
[    9.347304][  T156]  ? driver_probe_device (drivers/base/dd.c:135)
[    9.347532][  T156]  __driver_probe_device (drivers/base/dd.c:871)
[    9.347757][  T156]  driver_probe_device (drivers/base/dd.c:901)
[    9.347972][  T156]  __device_attach_driver (drivers/base/dd.c:1029)
[    9.348182][  T156]  bus_for_each_drv (drivers/base/bus.c:500)
[    9.348392][  T156]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    9.348608][  T156]  __device_attach (drivers/base/dd.c:1101)
[    9.348830][  T156]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.349050][  T156]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    9.349297][  T156]  ? 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)
[    9.349506][  T156]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    9.349717][  T156]  device_initial_probe (drivers/base/dd.c:1156)
[    9.349950][  T156]  bus_probe_device (drivers/base/bus.c:613)
[    9.350162][  T156]  device_add (drivers/base/core.c:3706)
[    9.350503][  T156]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    9.350764][  T156]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    9.350983][  T156]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    9.351196][  T156] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    9.351579][  T156]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.351803][  T156]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    9.352066][  T156]  ? 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))
[    9.352397][  T156]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.352608][  T156]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.352832][  T156]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.353051][  T156]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.353223][  T156]  new_sync_write (fs/read_write.c:595)
[    9.353551][  T156]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.353775][  T156]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.354016][  T156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.354224][  T156]  ? ksys_write (fs/read_write.c:740)
[    9.354553][  T156]  vfs_write (fs/read_write.c:688)
[    9.354725][  T156]  ksys_write (fs/read_write.c:740)
[    9.354915][  T156]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.355124][  T156]  ? 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)
[    9.355448][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.355660][  T156]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.355894][  T156]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.356104][  T156]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.356432][  T156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.356681][  T156] RIP: 0033:0x7f3a8f05508e
[    9.356914][  T156] 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
[    9.357649][  T156] RSP: 002b:00007ffd5b91ed70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.357962][  T156] RAX: ffffffffffffffda RBX: 00007f3a8f1d7580 RCX: 00007f3a8f05508e
[    9.358369][  T156] RDX: 0000000000000004 RSI: 000055bf0345e8f0 RDI: 0000000000000001
[    9.358656][  T156] RBP: 00007ffd5b91ed80 R08: 0000000000000000 R09: 0000000000000000
[    9.359084][  T156] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    9.359371][  T156] R13: 0000000000000004 R14: 000055bf0345e8f0 R15: 0000000000000000
| [    9.376133][  T156] ------------[ cut here ]------------
| [    9.376418][  T156] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: bash/156
| [    9.376832][  T156] Modules linked in: netconsole netdevsim
| [    9.377464][  T156] Tainted: [W]=WARN
[    9.377635][  T156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.377960][  T156] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.378227][  T156] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.378876][  T156] RSP: 0018:ffa00000007e74f8 EFLAGS: 00010286
[    9.379139][  T156] RAX: 00000000ffffffa6 RBX: ff11000004bd8dc0 RCX: 1ff40000000fce65
[    9.379432][  T156] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004bd8e70
[    9.379721][  T156] RBP: ff1100000fe8a000 R08: 1fe220000097b1cf R09: ff1100000c308c48
[    9.380035][  T156] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.380326][  T156] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe8a000
[    9.380625][  T156] FS:  00007f3a8efe3b80(0000) GS:ff110000a1485000(0000) knlGS:0000000000000000
[    9.380979][  T156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.381230][  T156] CR2: 000055bed22de8e0 CR3: 0000000001df3001 CR4: 0000000000771ef0
[    9.381525][  T156] PKRU: 55555554
[    9.381762][  T156] Call Trace:
[    9.381941][  T156]  <TASK>
[    9.382075][  T156]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.382289][  T156]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.382468][  T156]  register_netdevice (net/core/dev.c:11488)
[    9.382682][  T156]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.382952][  T156]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    9.383168][  T156] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.383428][  T156] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.383643][  T156] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.383922][  T156]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.384134][  T156]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.384390][  T156]  ? 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))
[    9.384608][  T156]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.384793][  T156]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.385014][  T156]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.385270][  T156] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    9.385491][  T156]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    9.385702][  T156]  call_driver_probe (drivers/base/dd.c:629)
[    9.385934][  T156]  really_probe (drivers/base/dd.c:709)
[    9.386147][  T156]  ? driver_probe_device (drivers/base/dd.c:135)
[    9.386363][  T156]  __driver_probe_device (drivers/base/dd.c:871)
[    9.386578][  T156]  driver_probe_device (drivers/base/dd.c:901)
[    9.386800][  T156]  __device_attach_driver (drivers/base/dd.c:1029)
[    9.387016][  T156]  bus_for_each_drv (drivers/base/bus.c:500)
[    9.387231][  T156]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    9.387447][  T156]  __device_attach (drivers/base/dd.c:1101)
[    9.387660][  T156]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.387892][  T156]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    9.388143][  T156]  ? 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)
[    9.388353][  T156]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    9.388571][  T156]  device_initial_probe (drivers/base/dd.c:1156)
[    9.388796][  T156]  bus_probe_device (drivers/base/bus.c:613)
[    9.389014][  T156]  device_add (drivers/base/core.c:3706)
[    9.389230][  T156]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    9.389489][  T156]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    9.389714][  T156]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    9.389946][  T156] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    9.390196][  T156]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.390406][  T156]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    9.390662][  T156]  ? 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))
[    9.390895][  T156]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.391107][  T156]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.391316][  T156]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.391531][  T156]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.391703][  T156]  new_sync_write (fs/read_write.c:595)
[    9.391933][  T156]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.392144][  T156]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.392361][  T156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.392571][  T156]  ? ksys_write (fs/read_write.c:740)
[    9.392799][  T156]  vfs_write (fs/read_write.c:688)
[    9.392978][  T156]  ksys_write (fs/read_write.c:740)
[    9.393149][  T156]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.393363][  T156]  ? 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)
[    9.393572][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.393802][  T156]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.394023][  T156]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.394237][  T156]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.394450][  T156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.394699][  T156] RIP: 0033:0x7f3a8f05508e
[    9.394938][  T156] 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
[    9.395558][  T156] RSP: 002b:00007ffd5b91eda0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.395864][  T156] RAX: ffffffffffffffda RBX: 00007f3a8f1d7580 RCX: 00007f3a8f05508e
[    9.396160][  T156] RDX: 0000000000000004 RSI: 000055bf0345e8f0 RDI: 0000000000000001
[    9.396447][  T156] RBP: 00007ffd5b91edb0 R08: 0000000000000000 R09: 0000000000000000
[    9.396738][  T156] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    9.397047][  T156] R13: 0000000000000004 R14: 000055bf0345e8f0 R15: 0000000000000000
| [    9.596361][  T198] ------------[ cut here ]------------
| [    9.596599][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.596891][  T198] Modules linked in: netconsole netdevsim
| [    9.597380][  T198] Tainted: [W]=WARN
[    9.597523][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.597728][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.597965][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.598461][  T198] RSP: 0018:ffa0000000516ff8 EFLAGS: 00010286
[    9.598670][  T198] RAX: 00000000ffffffa6 RBX: ff1100000d0c56c0 RCX: 1ff40000000a2dc5
[    9.598927][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0c5770
[    9.599162][  T198] RBP: ff1100000c1da000 R08: 1fe2200001a18aef R09: ff1100000c30ae58
[    9.599397][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.599632][  T198] R13: 0000000000000000 R14: ffa0000000517140 R15: ff1100000a377bd0
[    9.599888][  T198] FS:  00007fd5116ec840(0000) GS:ff110000a1485000(0000) knlGS:0000000000000000
[    9.600157][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.600363][  T198] CR2: 0000000017a8b988 CR3: 00000000095b5006 CR4: 0000000000771ef0
[    9.600602][  T198] PKRU: 55555554
[    9.600747][  T198] Call Trace:
[    9.600903][  T198]  <TASK>
[    9.601020][  T198]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    9.601196][  T198]  __dev_change_net_namespace (net/core/dev.c:12635)
[    9.601400][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.601592][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.601783][  T198]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.601995][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.602166][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.602343][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.602522][  T198]  ? 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))
[    9.602696][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.602891][  T198]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.603070][  T198]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.603245][  T198]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.603417][  T198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.603636][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.603829][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.604039][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.604212][  T198]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.604386][  T198]  ? __kernel_text_address (kernel/extable.c:79)
[    9.604560][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.604735][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.604931][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.605105][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.605277][  T198]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.605447][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.605618][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.605805][  T198]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.605983][  T198]  ? __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)
[    9.606159][  T198]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.606333][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.606508][  T198]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.606677][  T198]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.606863][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.607047][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.607222][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.607393][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.607567][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.607740][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.607934][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.608110][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.608284][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.608457][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.608631][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.608824][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.609007][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.609184][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.609371][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.609544][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.609721][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.609917][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.610093][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.610268][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.610441][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.610619][  T198]  ? 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))
[    9.610806][  T198]  ? 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))
[    9.610990][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.611167][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.611346][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.611526][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.611707][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.611903][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.612083][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.612259][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.612430][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.612633][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[    9.612821][  T198]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.613007][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.613185][  T198]  ___sys_sendmsg (net/socket.c:2752)
[    9.613362][  T198]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.613573][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.613774][  T198]  __sys_sendmsg (net/socket.c:2784)
[    9.613957][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.614131][  T198]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.614341][  T198]  ? 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)
[    9.614516][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.614691][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.614887][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.615067][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.615242][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.615445][  T198] RIP: 0033:0x7fd51192608e
[    9.615623][  T198] 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
[    9.616137][  T198] RSP: 002b:00007ffe9b38b950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.616375][  T198] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd51192608e
[    9.616613][  T198] RDX: 0000000000000000 RSI: 00007ffe9b38ba00 RDI: 0000000000000005
[    9.616857][  T198] RBP: 00007ffe9b38b960 R08: 0000000000000000 R09: 0000000000000000
[    9.617126][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf2
[    9.617367][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9b38c0c0
| [    9.635546][  T198] ------------[ cut here ]------------
| [    9.635802][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.636124][  T198] Modules linked in: netconsole netdevsim
| [    9.636640][  T198] Tainted: [W]=WARN
[    9.636816][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.637039][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.637264][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.637793][  T198] RSP: 0018:ffa0000000516fc0 EFLAGS: 00010286
[    9.638017][  T198] RAX: 00000000ffffffa6 RBX: ff11000002897b40 RCX: 1ff40000000a2dbe
[    9.638263][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002897bf0
[    9.638512][  T198] RBP: ff1100000c1da000 R08: 1fe2200000512f7f R09: ff1100000c30ae58
[    9.638770][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.639020][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff95b59ab0
[    9.639270][  T198] FS:  00007fd5116ec840(0000) GS:ff110000a1485000(0000) knlGS:0000000000000000
[    9.639548][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.639774][  T198] CR2: 0000000017a8b988 CR3: 00000000095b5006 CR4: 0000000000771ef0
[    9.640025][  T198] PKRU: 55555554
[    9.640171][  T198] Call Trace:
[    9.640317][  T198]  <TASK>
[    9.640437][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.640618][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.640779][  T198]  __dev_change_net_namespace (net/core/dev.c:12695)
[    9.641001][  T198]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.641210][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.641387][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.641568][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.641766][  T198]  ? 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))
[    9.641956][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.642136][  T198]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.642318][  T198]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.642500][  T198]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.642681][  T198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.642911][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.643097][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.643276][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.643455][  T198]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.643636][  T198]  ? __kernel_text_address (kernel/extable.c:79)
[    9.643913][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.644098][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.644277][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.644459][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.644666][  T198]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.644857][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.645040][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.645218][  T198]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.645397][  T198]  ? __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)
[    9.645572][  T198]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.645763][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.645953][  T198]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.646129][  T198]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.646311][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.646494][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.646673][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.646861][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.647046][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.647231][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.647409][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.647589][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.647776][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.647961][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.648172][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.648362][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.648542][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.648726][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.648927][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.649105][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.649289][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.649470][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.649653][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.649848][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.650035][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.650221][  T198]  ? 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))
[    9.650401][  T198]  ? 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))
[    9.650584][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.650777][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.650962][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.651143][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.651325][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.651509][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.651691][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.651893][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.652073][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.652284][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[    9.652467][  T198]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.652648][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.652850][  T198]  ___sys_sendmsg (net/socket.c:2752)
[    9.653037][  T198]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.653251][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.653444][  T198]  __sys_sendmsg (net/socket.c:2784)
[    9.653625][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.653818][  T198]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.654040][  T198]  ? 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)
[    9.654225][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.654406][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.654587][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.654781][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.654971][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.655185][  T198] RIP: 0033:0x7fd51192608e
[    9.655371][  T198] 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
[    9.655902][  T198] RSP: 002b:00007ffe9b38b950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.656149][  T198] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd51192608e
[    9.656395][  T198] RDX: 0000000000000000 RSI: 00007ffe9b38ba00 RDI: 0000000000000005
[    9.656642][  T198] RBP: 00007ffe9b38b960 R08: 0000000000000000 R09: 0000000000000000
[    9.656905][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf2
[    9.657151][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9b38c0c0
| [    9.748622][  T200] ------------[ cut here ]------------
| [    9.748913][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [    9.749167][  T200] Modules linked in: netconsole netdevsim
| [    9.749626][  T200] Tainted: [W]=WARN
[    9.749731][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.750469][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.750650][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.751231][  T200] RSP: 0018:ffa0000000847020 EFLAGS: 00010286
[    9.751405][  T200] RAX: 00000000ffffffa6 RBX: ff1100000accaf40 RCX: 1ff4000000108dca
[    9.751609][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000accaff0
[    9.751895][  T200] RBP: ff1100000c1da000 R08: 1fe22000015995ff R09: ff1100000c37d180
[    9.752101][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.752305][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.752511][  T200] FS:  00007fcc2b6a3840(0000) GS:ff110000a1505000(0000) knlGS:0000000000000000
[    9.752814][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.752993][  T200] CR2: 0000000027bd4988 CR3: 000000000fe1c002 CR4: 0000000000771ef0
[    9.753200][  T200] PKRU: 55555554
[    9.753303][  T200] Call Trace:
[    9.753406][  T200]  <TASK>
[    9.753478][  T200]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    9.753619][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.753811][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.753922][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.754060][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.754199][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.754338][  T200]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.754475][  T200]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.754610][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.754806][  T200]  ? 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))
[    9.754953][  T200]  netif_change_flags (net/core/dev.c:9820)
[    9.755090][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.755230][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.755368][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.755537][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.755674][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.755865][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.756009][  T200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.756146][  T200]  ? __kernel_text_address (kernel/extable.c:79)
[    9.756283][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.756422][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.756557][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.756693][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.756836][  T200]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.756979][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.757113][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.757249][  T200]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.757386][  T200]  ? __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)
[    9.757522][  T200]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.757658][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.757799][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.757945][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.758086][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.758223][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.758358][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.758493][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.758629][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.758771][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.758915][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.759051][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.759188][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.759324][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.759463][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.759598][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.759734][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.759874][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.760016][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.760155][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.760292][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.760428][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.760564][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.760700][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.760846][  T200]  ? 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))
[    9.760985][  T200]  ? 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))
[    9.761123][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.761262][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.761399][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.761537][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.761674][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.761816][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.761961][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.762100][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.762237][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.762406][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.762544][  T200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.762679][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.762821][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.762958][  T200]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.763127][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.763276][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.763412][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.763548][  T200]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.763719][  T200]  ? 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)
[    9.763859][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.763997][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.764133][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.764272][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.764411][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.764582][  T200] RIP: 0033:0x7fcc2b8dd08e
[    9.764725][  T200] 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
[    9.765216][  T200] RSP: 002b:00007ffd6a08b080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.765424][  T200] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcc2b8dd08e
[    9.765628][  T200] RDX: 0000000000000000 RSI: 00007ffd6a08b130 RDI: 0000000000000005
[    9.765838][  T200] RBP: 00007ffd6a08b090 R08: 0000000000000000 R09: 0000000000000000
[    9.766045][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf2
[    9.766249][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6a08b7f0
| [    9.834493][  T204] ------------[ cut here ]------------
| [    9.834704][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/204
| [    9.835098][  T204] Modules linked in: netconsole netdevsim
| [    9.835780][  T204] Tainted: [W]=WARN
[    9.836023][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.836330][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.836594][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.837171][  T204] RSP: 0018:ffa0000000807020 EFLAGS: 00010286
[    9.837393][  T204] RAX: 00000000ffffffa6 RBX: ff11000005034340 RCX: 1ff4000000100dca
[    9.837642][  T204] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000050343f0
[    9.837915][  T204] RBP: ff1100000fe8a000 R08: 1fe2200000a0687f R09: ff1100000c718b80
[    9.838166][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.838408][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.838666][  T204] FS:  00007f5be5d5e840(0000) GS:ff110000a1485000(0000) knlGS:0000000000000000
[    9.838974][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.839191][  T204] CR2: 000000001993b988 CR3: 000000000c33a005 CR4: 0000000000771ef0
[    9.839439][  T204] PKRU: 55555554
[    9.839586][  T204] Call Trace:
[    9.839733][  T204]  <TASK>
[    9.839865][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.840062][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.840215][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.840395][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[    9.840579][  T204]  ? netif_change_name (net/core/dev.c:1495)
[    9.840772][  T204]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.840963][  T204]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.841143][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.841328][  T204]  ? 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))
[    9.841516][  T204]  netif_change_flags (net/core/dev.c:9820)
[    9.841699][  T204]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.841904][  T204]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.842090][  T204]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.842300][  T204]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.842481][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.842661][  T204]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.842855][  T204]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.843044][  T204]  ? __kernel_text_address (kernel/extable.c:79)
[    9.843225][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.843406][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.843583][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.843793][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.843978][  T204]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.844157][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.844337][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.844517][  T204]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.844698][  T204]  ? __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)
[    9.844899][  T204]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.845080][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.845260][  T204]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.845447][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.845633][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.845828][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.846014][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.846191][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.846375][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.846554][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.846736][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.846933][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.847117][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.847297][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.847478][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.847654][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.847845][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.848027][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.848206][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.848394][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.848573][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.848762][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.848945][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.849129][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.849310][  T204]  ? 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))
[    9.849488][  T204]  ? 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))
[    9.849667][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.849861][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.850050][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.850229][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.850407][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.850585][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.850781][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.850967][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.851145][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.851356][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[    9.851538][  T204]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.851714][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.851909][  T204]  ___sys_sendmsg (net/socket.c:2752)
[    9.852090][  T204]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.852307][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.852496][  T204]  __sys_sendmsg (net/socket.c:2784)
[    9.852679][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.852865][  T204]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.853159][  T204]  ? 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)
[    9.853337][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.853549][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.853725][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.853921][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.854118][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.854327][  T204] RIP: 0033:0x7f5be5f9808e
[    9.854508][  T204] 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
[    9.855059][  T204] RSP: 002b:00007ffcce91f470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.855305][  T204] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5be5f9808e
[    9.855568][  T204] RDX: 0000000000000000 RSI: 00007ffcce91f520 RDI: 0000000000000005
[    9.855821][  T204] RBP: 00007ffcce91f480 R08: 0000000000000000 R09: 0000000000000000
[    9.856066][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf3
[    9.856308][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcce91fbe0
| [    9.913334][  T156] ------------[ cut here ]------------
| [    9.913589][  T156] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: bash/156
| [    9.913977][  T156] Modules linked in: netconsole netdevsim
| [    9.914537][  T156] Tainted: [W]=WARN
[    9.914658][  T156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.914897][  T156] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.915101][  T156] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.915654][  T156] RSP: 0018:ffa00000007e75a8 EFLAGS: 00010286
[    9.915863][  T156] RAX: 00000000ffffffa6 RBX: ff110000050356c0 RCX: 1ff40000000fce7b
[    9.916106][  T156] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005035770
[    9.916344][  T156] RBP: ff1100000c1da000 R08: 1fe2200000a06aef R09: ff1100000c308c70
[    9.916577][  T156] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[    9.916842][  T156] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007e7698
[    9.917088][  T156] FS:  00007f3a8efe3b80(0000) GS:ff110000a1385000(0000) knlGS:0000000000000000
[    9.917368][  T156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.917569][  T156] CR2: 000055bf0344383c CR3: 0000000001df3001 CR4: 0000000000771ef0
[    9.917815][  T156] PKRU: 55555554
[    9.917938][  T156] Call Trace:
[    9.918057][  T156]  <TASK>
[    9.918141][  T156]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.918304][  T156]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.918428][  T156]  netif_close_many (net/core/dev.c:1804)
[    9.918591][  T156]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.918765][  T156]  ? __dev_close_many (net/core/dev.c:1781)
[    9.918934][  T156]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.919098][  T156]  netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.919259][  T156]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[    9.919457][  T156]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[    9.919659][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.919928][  T156]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.920104][  T156]  ? __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)
[    9.920274][  T156]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.920435][  T156]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.920630][  T156]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.920914][  T156]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.921077][  T156]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.921232][  T156]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.921389][  T156]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.921546][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.921702][  T156]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.921975][  T156] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.922138][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.922296][  T156] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.922493][  T156] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.922690][  T156] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.922948][  T156]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.923148][  T156]  bus_remove_device (drivers/base/bus.c:657)
[    9.923308][  T156]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.923469][  T156]  ? device_remove_file (drivers/base/core.c:3073)
[    9.923631][  T156]  device_del (drivers/base/core.c:3895)
[    9.923861][  T156]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.924026][  T156]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.924183][  T156]  device_unregister (drivers/base/core.c:3936)
[    9.924342][  T156] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.924543][  T156]  ? 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))
[    9.924705][  T156]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.925018][  T156]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.925174][  T156]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.925332][  T156]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.925489][  T156]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.925607][  T156]  new_sync_write (fs/read_write.c:595)
[    9.926027][  T156]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.926187][  T156]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.926347][  T156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.926504][  T156]  ? ksys_write (fs/read_write.c:740)
[    9.926667][  T156]  vfs_write (fs/read_write.c:688)
[    9.926921][  T156]  ksys_write (fs/read_write.c:740)
[    9.927065][  T156]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.927222][  T156]  ? 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)
[    9.927379][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.927537][  T156]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.927694][  T156]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.927989][  T156]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.928146][  T156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.928339][  T156] RIP: 0033:0x7f3a8f05508e
[    9.928504][  T156] 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
[    9.929208][  T156] RSP: 002b:00007ffd5b91f130 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.929444][  T156] RAX: ffffffffffffffda RBX: 00007f3a8f1d7580 RCX: 00007f3a8f05508e
[    9.929678][  T156] RDX: 0000000000000004 RSI: 000055bf0345e8f0 RDI: 0000000000000001
[    9.930049][  T156] RBP: 00007ffd5b91f140 R08: 0000000000000000 R09: 0000000000000000
[    9.930299][  T156] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    9.930538][  T156] R13: 0000000000000004 R14: 000055bf0345e8f0 R15: 0000000000000000
| [    9.949783][  T156] ------------[ cut here ]------------
| [    9.950079][  T156] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: bash/156
| [    9.950394][  T156] Modules linked in: netconsole netdevsim
| [    9.950915][  T156] Tainted: [W]=WARN
[    9.951036][  T156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.951224][  T156] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.951418][  T156] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.952002][  T156] RSP: 0018:ffa00000007e7728 EFLAGS: 00010286
[    9.952192][  T156] RAX: 00000000ffffffa6 RBX: ff1100000c49e640 RCX: 1ff40000000fceab
[    9.952416][  T156] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c49e6f0
[    9.952638][  T156] RBP: ff1100000c1da000 R08: 1fe2200001893cdf R09: ff1100000c308c48
[    9.952910][  T156] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.953133][  T156] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.953376][  T156] FS:  00007f3a8efe3b80(0000) GS:ff110000a1405000(0000) knlGS:0000000000000000
[    9.953640][  T156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.953833][  T156] CR2: 00007f5be61f4480 CR3: 0000000001df3003 CR4: 0000000000771ef0
[    9.954062][  T156] PKRU: 55555554
[    9.954177][  T156] Call Trace:
[    9.954292][  T156]  <TASK>
[    9.954372][  T156]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.954566][  T156]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.954756][  T156]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.954914][  T156]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.955067][  T156]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.955216][  T156]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.955371][  T156]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.955522][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.955672][  T156]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.955843][  T156] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.956001][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.956152][  T156] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.956339][  T156] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.956530][  T156] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.956681][  T156]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.956873][  T156]  bus_remove_device (drivers/base/bus.c:657)
[    9.957031][  T156]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.957180][  T156]  ? device_remove_file (drivers/base/core.c:3073)
[    9.957331][  T156]  device_del (drivers/base/core.c:3895)
[    9.957446][  T156]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.957598][  T156]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.957754][  T156]  device_unregister (drivers/base/core.c:3936)
[    9.957907][  T156] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.958098][  T156]  ? 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))
[    9.958255][  T156]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.958446][  T156]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.958597][  T156]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.958753][  T156]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.958908][  T156]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.959021][  T156]  new_sync_write (fs/read_write.c:595)
[    9.959174][  T156]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.959326][  T156]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.959477][  T156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.959630][  T156]  ? ksys_write (fs/read_write.c:740)
[    9.959792][  T156]  vfs_write (fs/read_write.c:688)
[    9.959912][  T156]  ksys_write (fs/read_write.c:740)
[    9.960026][  T156]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.960176][  T156]  ? 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)
[    9.960325][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.960477][  T156]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.960626][  T156]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.960782][  T156]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.960976][  T156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.961164][  T156] RIP: 0033:0x7f3a8f05508e
[    9.961321][  T156] 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
[    9.961859][  T156] RSP: 002b:00007ffd5b91f130 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.962089][  T156] RAX: ffffffffffffffda RBX: 00007f3a8f1d7580 RCX: 00007f3a8f05508e
[    9.962312][  T156] RDX: 0000000000000004 RSI: 000055bf0345e8f0 RDI: 0000000000000001
[    9.962536][  T156] RBP: 00007ffd5b91f140 R08: 0000000000000000 R09: 0000000000000000
[    9.962762][  T156] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    9.962989][  T156] R13: 0000000000000004 R14: 000055bf0345e8f0 R15: 0000000000000000
| [   10.004416][  T156] ------------[ cut here ]------------
| [   10.004739][  T156] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: bash/156
| [   10.005074][  T156] Modules linked in: netconsole netdevsim
| [   10.005612][  T156] Tainted: [W]=WARN
[   10.005789][  T156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.005998][  T156] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.006205][  T156] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.006922][  T156] RSP: 0018:ffa00000007e75a8 EFLAGS: 00010286
[   10.007127][  T156] RAX: 00000000ffffffa6 RBX: ff110000090f8dc0 RCX: 1ff40000000fce7b
[   10.007370][  T156] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090f8e70
[   10.007607][  T156] RBP: ff1100000fe8a000 R08: 1fe220000121f1cf R09: ff1100000c308c70
[   10.007858][  T156] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   10.008105][  T156] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007e7698
[   10.008348][  T156] FS:  00007f3a8efe3b80(0000) GS:ff110000a1405000(0000) knlGS:0000000000000000
[   10.008626][  T156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.008834][  T156] CR2: 00007f5be61f4480 CR3: 0000000001df3003 CR4: 0000000000771ef0
[   10.009086][  T156] PKRU: 55555554
[   10.009207][  T156] Call Trace:
[   10.009325][  T156]  <TASK>
[   10.009408][  T156]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.009568][  T156]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.009688][  T156]  netif_close_many (net/core/dev.c:1804)
[   10.009857][  T156]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.010026][  T156]  ? __dev_close_many (net/core/dev.c:1781)
[   10.010184][  T156]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.010346][  T156]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   10.010504][  T156]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   10.010702][  T156]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   10.010909][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.011069][  T156]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.011225][  T156]  ? __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)
[   10.011384][  T156]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.011548][  T156]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.011755][  T156]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   10.011921][  T156]  ? netdev_run_todo (net/core/dev.c:11703)
[   10.012080][  T156]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.012237][  T156]  ? 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)
[   10.012402][  T156]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   10.012564][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.012722][  T156]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   10.012894][  T156] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   10.013058][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.013221][  T156] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   10.013425][  T156] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   10.013625][  T156] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   10.013792][  T156]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   10.013997][  T156]  bus_remove_device (drivers/base/bus.c:657)
[   10.014162][  T156]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   10.014324][  T156]  ? device_remove_file (drivers/base/core.c:3073)
[   10.014485][  T156]  device_del (drivers/base/core.c:3895)
[   10.014606][  T156]  ? __device_link_del (./include/linux/kobject.h:89)
[   10.014773][  T156]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   10.014940][  T156]  device_unregister (drivers/base/core.c:3936)
[   10.015104][  T156] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   10.015308][  T156]  ? 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))
[   10.015468][  T156]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   10.015667][  T156]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   10.015835][  T156]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   10.016001][  T156]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   10.016158][  T156]  ? kernfs_ops (fs/kernfs/file.c:128)
[   10.016280][  T156]  new_sync_write (fs/read_write.c:595)
[   10.016444][  T156]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.016603][  T156]  ? new_sync_read (./include/linux/ioprio.h:41)
[   10.016765][  T156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.016925][  T156]  ? ksys_write (fs/read_write.c:740)
[   10.017085][  T156]  vfs_write (fs/read_write.c:688)
[   10.017206][  T156]  ksys_write (fs/read_write.c:740)
[   10.017329][  T156]  ? __ia32_sys_read (fs/read_write.c:724)
[   10.017491][  T156]  ? 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)
[   10.017652][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.017815][  T156]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.017976][  T156]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.018134][  T156]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.018299][  T156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.018500][  T156] RIP: 0033:0x7f3a8f05508e
[   10.018666][  T156] 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
[   10.019251][  T156] RSP: 002b:00007ffd5b91f230 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   10.019489][  T156] RAX: ffffffffffffffda RBX: 00007f3a8f1d7580 RCX: 00007f3a8f05508e
[   10.019724][  T156] RDX: 0000000000000004 RSI: 000055bf0345e8f0 RDI: 0000000000000001
[   10.019975][  T156] RBP: 00007ffd5b91f240 R08: 0000000000000000 R09: 0000000000000000
[   10.020215][  T156] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   10.020452][  T156] R13: 0000000000000004 R14: 000055bf0345e8f0 R15: 0000000000000000
| [   10.028582][  T156] ------------[ cut here ]------------
| [   10.028859][  T156] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: bash/156
| [   10.029201][  T156] Modules linked in: netconsole netdevsim
| [   10.029707][  T156] Tainted: [W]=WARN
[   10.029830][  T156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.030027][  T156] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.030225][  T156] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.030766][  T156] RSP: 0018:ffa00000007e7728 EFLAGS: 00010286
[   10.030962][  T156] RAX: 00000000ffffffa6 RBX: ff1100000c01b9c0 RCX: 1ff40000000fceab
[   10.031187][  T156] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c01ba70
[   10.031412][  T156] RBP: ff1100000fe8a000 R08: 1fe220000180374f R09: ff1100000c308c48
[   10.031640][  T156] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.031989][  T156] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.032217][  T156] FS:  00007f3a8efe3b80(0000) GS:ff110000a1505000(0000) knlGS:0000000000000000
[   10.032490][  T156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.032687][  T156] CR2: 00007f3a8f1f4f98 CR3: 0000000001df3002 CR4: 0000000000771ef0
[   10.033014][  T156] PKRU: 55555554
[   10.033133][  T156] Call Trace:
[   10.033252][  T156]  <TASK>
[   10.033332][  T156]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.033525][  T156]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.033711][  T156]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   10.033985][  T156]  ? netdev_run_todo (net/core/dev.c:11703)
[   10.034136][  T156]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.034286][  T156]  ? 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)
[   10.034444][  T156]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   10.034594][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.034808][  T156]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   10.034971][  T156] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   10.035125][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.035280][  T156] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   10.035470][  T156] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   10.035666][  T156] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   10.035887][  T156]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   10.036077][  T156]  bus_remove_device (drivers/base/bus.c:657)
[   10.036232][  T156]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   10.036383][  T156]  ? device_remove_file (drivers/base/core.c:3073)
[   10.036537][  T156]  device_del (drivers/base/core.c:3895)
[   10.036653][  T156]  ? __device_link_del (./include/linux/kobject.h:89)
[   10.036824][  T156]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   10.036982][  T156]  device_unregister (drivers/base/core.c:3936)
[   10.037131][  T156] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   10.037322][  T156]  ? 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))
[   10.037472][  T156]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   10.037664][  T156]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   10.037820][  T156]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   10.037976][  T156]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   10.038126][  T156]  ? kernfs_ops (fs/kernfs/file.c:128)
[   10.038239][  T156]  new_sync_write (fs/read_write.c:595)
[   10.038392][  T156]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.038543][  T156]  ? new_sync_read (./include/linux/ioprio.h:41)
[   10.038695][  T156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.038854][  T156]  ? ksys_write (fs/read_write.c:740)
[   10.039024][  T156]  vfs_write (fs/read_write.c:688)
[   10.039139][  T156]  ksys_write (fs/read_write.c:740)
[   10.039253][  T156]  ? __ia32_sys_read (fs/read_write.c:724)
[   10.039403][  T156]  ? 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)
[   10.039554][  T156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.039710][  T156]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.039872][  T156]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.040030][  T156]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.040179][  T156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.040367][  T156] RIP: 0033:0x7f3a8f05508e
[   10.040525][  T156] 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
[   10.041071][  T156] RSP: 002b:00007ffd5b91f230 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   10.041299][  T156] RAX: ffffffffffffffda RBX: 00007f3a8f1d7580 RCX: 00007f3a8f05508e
[   10.041523][  T156] RDX: 0000000000000004 RSI: 000055bf0345e8f0 RDI: 0000000000000001
[   10.041754][  T156] RBP: 00007ffd5b91f240 R08: 0000000000000000 R09: 0000000000000000
[   10.041986][  T156] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   10.042213][  T156] R13: 0000000000000004 R14: 000055bf0345e8f0 R15: 0000000000000000
| [   10.197853][   T71] ------------[ cut here ]------------
| [   10.198898][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/71
| [   10.199759][   T71] Modules linked in: netconsole netdevsim
| [   10.200523][   T71] Tainted: [W]=WARN
[   10.200776][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.201087][   T71] Workqueue: netns cleanup_net
[   10.201374][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.201706][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.202338][   T71] RSP: 0018:ffa00000004c7748 EFLAGS: 00010286
[   10.202596][   T71] RAX: 00000000ffffffa6 RBX: ff1100000c6f1cc0 RCX: 1ff4000000098eaf
[   10.202937][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c6f1d70
[   10.203264][   T71] RBP: ff1100000a0d4000 R08: 1fe22000018de3af R09: ff11000008cbaed0
[   10.203582][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   10.203900][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004c77e8
[   10.204138][   T71] FS:  0000000000000000(0000) GS:ff110000a1485000(0000) knlGS:0000000000000000
[   10.204470][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.204687][   T71] CR2: 00007fdaa5154574 CR3: 0000000021939001 CR4: 0000000000771ef0
[   10.204960][   T71] PKRU: 55555554
[   10.205106][   T71] Call Trace:
[   10.205246][   T71]  <TASK>
[   10.205358][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.205536][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.205679][   T71]  netif_close_many (net/core/dev.c:1804)
[   10.205863][   T71]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.206044][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.206214][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.206385][   T71]  ? __dev_close_many (net/core/dev.c:1781)
[   10.206567][   T71]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   10.206780][   T71]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   10.206961][   T71]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.207163][   T71]  ? 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)
[   10.207337][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.207508][   T71]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   10.207684][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.207915][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.208097][   T71]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.208270][   T71]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   10.208449][   T71]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.208623][   T71]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.208809][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.208990][   T71]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.209239][   T71]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.209415][   T71]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   10.209584][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.209771][   T71]  cleanup_net (net/core/net_namespace.c:702)
[   10.209998][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.210171][   T71]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.210345][   T71]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.210517][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.210690][   T71]  process_one_work (kernel/workqueue.c:3314)
[   10.210878][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.211070][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.211247][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.211425][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.211600][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.211788][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.211975][   T71]  kthread (kernel/kthread.c:436)
[   10.212116][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.212317][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.212486][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.212658][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.212876][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.213054][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.213223][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.216611][   T71] ------------[ cut here ]------------
| [   10.216815][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/71
| [   10.217113][   T71] Modules linked in: netconsole netdevsim
| [   10.217612][   T71] Tainted: [W]=WARN
[   10.217775][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.218020][   T71] Workqueue: netns cleanup_net
[   10.218197][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.218409][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.218998][   T71] RSP: 0018:ffa00000004c7878 EFLAGS: 00010286
[   10.219242][   T71] RAX: 00000000ffffffa6 RBX: ff1100000c49f240 RCX: 1ff4000000098ed5
[   10.219495][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c49f2f0
[   10.219916][   T71] RBP: ff1100000a0d4000 R08: 1fe2200001893e5f R09: ff11000008cbaed0
[   10.220149][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.220378][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.220772][   T71] FS:  0000000000000000(0000) GS:ff110000a1485000(0000) knlGS:0000000000000000
[   10.221046][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.221248][   T71] CR2: 00007fdaa5154574 CR3: 0000000021939001 CR4: 0000000000771ef0
[   10.221483][   T71] PKRU: 55555554
[   10.221622][   T71] Call Trace:
[   10.221772][   T71]  <TASK>
[   10.221892][   T71]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.222094][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.222291][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.222460][   T71]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.222630][   T71]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   10.222810][   T71]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.222984][   T71]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.223151][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.223316][   T71]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.223484][   T71]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.223653][   T71]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   10.223827][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.224078][   T71]  cleanup_net (net/core/net_namespace.c:702)
[   10.224244][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.224408][   T71]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.224577][   T71]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.224809][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.224988][   T71]  process_one_work (kernel/workqueue.c:3314)
[   10.225263][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.225432][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.225628][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.225929][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.226127][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.226320][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.226604][   T71]  kthread (kernel/kthread.c:436)
[   10.226845][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.227056][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.227225][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.227395][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.227595][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.227778][   T71]  ? kthread_affine_node (kernel/kthread.c:378)


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