======================================
| [   12.263283][  T210] ------------[ cut here ]------------
| [   12.263482][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/210
| [   12.263883][  T210] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.264543][  T210] Tainted: [W]=WARN
[   12.264682][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.264880][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.265078][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.265619][  T210] RSP: 0018:ffa00000008b7488 EFLAGS: 00010286
[   12.265826][  T210] RAX: 00000000ffffffa6 RBX: ff1100000aa0ac80 RCX: 1ff4000000116e57
[   12.266058][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa0ad3c
[   12.266282][  T210] RBP: ff1100000f951000 R08: 1fe22000015415a9 R09: ff11000008de51a8
[   12.266508][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.266741][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f951000
[   12.266972][  T210] FS:  00007fc564bd7400(0000) GS:ff110000c1c47000(0000) knlGS:0000000000000000
[   12.267239][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.267432][  T210] CR2: 00007fc56503e9ff CR3: 000000000b33d004 CR4: 0000000000771ef0
[   12.267668][  T210] PKRU: 55555554
[   12.267782][  T210] Call Trace:
[   12.267899][  T210]  <TASK>
[   12.267978][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.268132][  T210]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.268286][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.268410][  T210]  register_netdevice (net/core/dev.c:11488)
[   12.268568][  T210]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.268762][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.268919][  T210] internal_dev_create (net/openvswitch/vport-internal_dev.c:155) openvswitch
[   12.269113][  T210] ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[   12.269300][  T210] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   12.269452][  T210] ovs_dp_cmd_new (net/openvswitch/datapath.c:1868) openvswitch
[   12.269655][  T210]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[   12.269848][  T210]  ? __nla_validate_parse (lib/nlattr.c:635)
[   12.270001][  T210]  ? __nla_parse (lib/nlattr.c:732)
[   12.270151][  T210]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   12.270341][  T210]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   12.270492][  T210]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   12.270693][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.270849][  T210]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.271000][  T210]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.271153][  T210]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   12.271302][  T210]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   12.271486][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.271688][  T210]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[   12.271882][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.272037][  T210]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   12.272190][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.272338][  T210]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   12.272488][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.272648][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.272809][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.272960][  T210]  genl_rcv (net/netlink/genetlink.c:1218)
[   12.273073][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.273225][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.273373][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.273525][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.273694][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.273851][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.274008][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.274159][  T210]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   12.274310][  T210]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   12.274465][  T210]  ? do_futex (kernel/futex/syscalls.c:135)
[   12.274585][  T210]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:98)
[   12.274782][  T210]  ? fput_close_sync (fs/file_table.c:615)
[   12.274938][  T210]  ? do_futex (kernel/futex/syscalls.c:159)
[   12.275055][  T210]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   12.275208][  T210]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.275395][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.275553][  T210]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.275709][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.275860][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.276009][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.276158][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.276348][  T210] RIP: 0033:0x7fc564d6ae32
[   12.276506][  T210] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   12.277049][  T210] RSP: 002b:00007ffe8e4fe2a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.277275][  T210] RAX: ffffffffffffffda RBX: 00007ffe8e4fe3d8 RCX: 00007fc564d6ae32
[   12.277501][  T210] RDX: 0000000000000044 RSI: 00007fc5609463d0 RDI: 0000000000000020
[   12.277735][  T210] RBP: 00007ffe8e4fe2d0 R08: 00007ffe8e4fe450 R09: 000000000000000c
[   12.277962][  T210] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc562c01e10
[   12.278185][  T210] R13: 00007ffe8e4fe3d8 R14: 00007fc564689005 R15: 0000000000000002
| [   12.280245][  T210] ------------[ cut here ]------------
| [   12.280399][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: python3/210
| [   12.280765][  T210] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.281400][  T210] Tainted: [W]=WARN
[   12.281518][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.281726][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.281933][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.282484][  T210] RSP: 0018:ffa00000008b73d0 EFLAGS: 00010286
[   12.282711][  T210] RAX: 00000000ffffffa6 RBX: ff1100000aa0b000 RCX: 1ff4000000116e40
[   12.282948][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa0b0bc
[   12.283177][  T210] RBP: ff1100000f951000 R08: 1fe2200001541619 R09: ff11000008de51a8
[   12.283407][  T210] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   12.283646][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c3c1c40
[   12.283889][  T210] FS:  00007fc564bd7400(0000) GS:ff110000c1ac7000(0000) knlGS:0000000000000000
[   12.284162][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.284355][  T210] CR2: 00007fc564af7000 CR3: 000000000b33d006 CR4: 0000000000771ef0
[   12.284591][  T210] PKRU: 55555554
[   12.284715][  T210] Call Trace:
[   12.284836][  T210]  <TASK>
[   12.284916][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.285073][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.285189][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   12.285347][  T210]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   12.285504][  T210]  ? netdev_notice (net/core/dev.c:13008)
[   12.285672][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   12.285834][  T210]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.285989][  T210]  ? register_netdevice (net/core/dev.c:11488)
[   12.286148][  T210]  __dev_set_promiscuity (net/core/dev.c:9630)
[   12.286302][  T210]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.286497][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.286663][  T210]  netif_set_promiscuity (net/core/dev.c:9639)
[   12.286825][  T210]  dev_set_promiscuity (net/core/dev_api.c:288)
[   12.286985][  T210] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[   12.287183][  T210] ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[   12.287376][  T210] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   12.287532][  T210] ovs_dp_cmd_new (net/openvswitch/datapath.c:1868) openvswitch
[   12.287744][  T210]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[   12.287942][  T210]  ? __nla_validate_parse (lib/nlattr.c:635)
[   12.288102][  T210]  ? __nla_parse (lib/nlattr.c:732)
[   12.288263][  T210]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   12.288461][  T210]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   12.288623][  T210]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   12.288825][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.288981][  T210]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.289135][  T210]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.289294][  T210]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   12.289454][  T210]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   12.289664][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.289863][  T210]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[   12.290060][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.290218][  T210]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   12.290373][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.290546][  T210]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   12.290706][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.290868][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.291022][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.291177][  T210]  genl_rcv (net/netlink/genetlink.c:1218)
[   12.291294][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.291450][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.291613][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.291775][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.291933][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.292088][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.292242][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.292396][  T210]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   12.292556][  T210]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   12.292719][  T210]  ? do_futex (kernel/futex/syscalls.c:135)
[   12.292844][  T210]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:98)
[   12.293042][  T210]  ? fput_close_sync (fs/file_table.c:615)
[   12.293194][  T210]  ? do_futex (kernel/futex/syscalls.c:159)
[   12.293311][  T210]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   12.293464][  T210]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.293664][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.293820][  T210]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.293975][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.294128][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.294279][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.294431][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.294625][  T210] RIP: 0033:0x7fc564d6ae32
[   12.294790][  T210] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   12.295339][  T210] RSP: 002b:00007ffe8e4fe2a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.295572][  T210] RAX: ffffffffffffffda RBX: 00007ffe8e4fe3d8 RCX: 00007fc564d6ae32
[   12.295812][  T210] RDX: 0000000000000044 RSI: 00007fc5609463d0 RDI: 0000000000000020
[   12.296041][  T210] RBP: 00007ffe8e4fe2d0 R08: 00007ffe8e4fe450 R09: 000000000000000c
[   12.296270][  T210] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc562c01e10
[   12.296498][  T210] R13: 00007ffe8e4fe3d8 R14: 00007fc564689005 R15: 0000000000000002
| [   12.506886][  T235] ------------[ cut here ]------------
| [   12.507210][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/235
| [   12.507528][  T235] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.508323][  T235] Tainted: [W]=WARN
[   12.508477][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.508761][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.509003][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.509550][  T235] RSP: 0018:ffa0000000517a80 EFLAGS: 00010286
[   12.509790][  T235] RAX: 00000000ffffffa6 RBX: ff1100000e999700 RCX: 1ff40000000a2f16
[   12.510052][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9997bc
[   12.510303][  T235] RBP: ff11000002949000 R08: 1fe2200001d332f9 R09: ff1100000288d180
[   12.510560][  T235] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.510827][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002949000
[   12.511086][  T235] FS:  00007fdbbb5b4840(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   12.511372][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.511602][  T235] CR2: 000055f382094d5c CR3: 0000000005040001 CR4: 0000000000771ef0
[   12.511880][  T235] PKRU: 55555554
[   12.512036][  T235] Call Trace:
[   12.512191][  T235]  <TASK>
[   12.512313][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.512506][  T235]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.512723][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.512891][  T235]  register_netdevice (net/core/dev.c:11488)
[   12.513083][  T235]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.513303][  T235]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.513490][  T235]  register_netdev (net/core/dev.c:11552)
[   12.513708][  T235]  loopback_net_init (drivers/net/loopback.c:218)
[   12.513921][  T235]  ops_init (net/core/net_namespace.c:137)
[   12.514077][  T235]  setup_net (net/core/net_namespace.c:446)
[   12.514230][  T235]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.514413][  T235]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.514626][  T235]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.514841][  T235]  copy_net_ns (net/core/net_namespace.c:579)
[   12.515034][  T235]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.515226][  T235]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.515411][  T235]  ksys_unshare (kernel/fork.c:3243)
[   12.515607][  T235]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.515810][  T235]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.516004][  T235]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.516191][  T235]  ? __ia32_sys_open (fs/open.c:1374)
[   12.516378][  T235]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.516573][  T235]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.516771][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.516965][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.517152][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.517338][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.517560][  T235] RIP: 0033:0x7fdbbb876bcb
[   12.517767][  T235] 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
[   12.518300][  T235] RSP: 002b:00007ffc9edecdc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.518559][  T235] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdbbb876bcb
[   12.518823][  T235] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.519107][  T235] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   12.519357][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc9edeeff0
[   12.519614][  T235] R13: 0000000000000001 R14: 00007fdbbb5b46f8 R15: 00007ffc9edef800
| [   12.524684][  T235] ------------[ cut here ]------------
| [   12.524885][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/235
| [   12.525167][  T235] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.525839][  T235] Tainted: [W]=WARN
[   12.525993][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.526209][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.526431][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.527521][  T235] RSP: 0018:ffa0000000517918 EFLAGS: 00010286
[   12.527855][  T235] RAX: 00000000ffffffa6 RBX: ff110000148e4200 RCX: 1ff40000000a2ee9
[   12.528162][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000148e42bc
[   12.528461][  T235] RBP: ff110000055dc000 R08: 1fe220000291c859 R09: ff1100000288d180
[   12.528788][  T235] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.529123][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000055dc000
[   12.529426][  T235] FS:  00007fdbbb5b4840(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   12.529788][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.530084][  T235] CR2: 000055f382094d5c CR3: 0000000005040001 CR4: 0000000000771ef0
[   12.530387][  T235] PKRU: 55555554
[   12.530601][  T235] Call Trace:
[   12.530839][  T235]  <TASK>
[   12.531015][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.531252][  T235]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.531489][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.531722][  T235]  register_netdevice (net/core/dev.c:11488)
[   12.531987][  T235]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.532259][  T235]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.532500][  T235]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.532759][  T235]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.533010][  T235]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.533250][  T235]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.533489][  T235]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.533749][  T235]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   12.534020][  T235]  ops_init (net/core/net_namespace.c:137)
[   12.534208][  T235]  setup_net (net/core/net_namespace.c:446)
[   12.534358][  T235]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.534548][  T235]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.534748][  T235]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.534947][  T235]  copy_net_ns (net/core/net_namespace.c:579)
[   12.535160][  T235]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.535347][  T235]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.535530][  T235]  ksys_unshare (kernel/fork.c:3243)
[   12.535735][  T235]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.535927][  T235]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.536111][  T235]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.536295][  T235]  ? __ia32_sys_open (fs/open.c:1374)
[   12.536483][  T235]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.536688][  T235]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.536887][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.537071][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.537265][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.537469][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.537706][  T235] RIP: 0033:0x7fdbbb876bcb
[   12.537909][  T235] 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
[   12.538432][  T235] RSP: 002b:00007ffc9edecdc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.538718][  T235] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdbbb876bcb
[   12.538993][  T235] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.539242][  T235] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   12.539489][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc9edeeff0
[   12.539758][  T235] R13: 0000000000000001 R14: 00007fdbbb5b46f8 R15: 00007ffc9edef800
| [   12.544470][  T235] ------------[ cut here ]------------
| [   12.544674][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/235
| [   12.544966][  T235] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.545635][  T235] Tainted: [W]=WARN
[   12.545803][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.546032][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.546256][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.546807][  T235] RSP: 0018:ffa00000005178f8 EFLAGS: 00010286
[   12.547039][  T235] RAX: 00000000ffffffa6 RBX: ff110000148e91c0 RCX: 1ff40000000a2ee5
[   12.547288][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000148e927c
[   12.547549][  T235] RBP: ff110000051e4000 R08: 1fe220000291d251 R09: ff1100000288d180
[   12.548351][  T235] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.548683][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000051e4000
[   12.549003][  T235] FS:  00007fdbbb5b4840(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   12.549345][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.549628][  T235] CR2: 000055f382094d5c CR3: 0000000005040001 CR4: 0000000000771ef0
[   12.549975][  T235] PKRU: 55555554
[   12.550182][  T235] Call Trace:
[   12.550392][  T235]  <TASK>
[   12.550585][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.550861][  T235]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.551110][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.551318][  T235]  register_netdevice (net/core/dev.c:11488)
[   12.551570][  T235]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.551874][  T235]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.552136][  T235]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.552377][  T235]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.552632][  T235]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.552894][  T235]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.553136][  T235]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.553376][  T235]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   12.553625][  T235]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.553910][  T235]  vti_init_net (net/ipv4/ip_vti.c:517)
[   12.554154][  T235]  ops_init (net/core/net_namespace.c:137)
[   12.554363][  T235]  setup_net (net/core/net_namespace.c:446)
[   12.554580][  T235]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.554784][  T235]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.554982][  T235]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.555171][  T235]  copy_net_ns (net/core/net_namespace.c:579)
[   12.555358][  T235]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.555553][  T235]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.555757][  T235]  ksys_unshare (kernel/fork.c:3243)
[   12.555959][  T235]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.556146][  T235]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.556330][  T235]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.556517][  T235]  ? __ia32_sys_open (fs/open.c:1374)
[   12.556731][  T235]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.556927][  T235]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.557114][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.557300][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.557488][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.557699][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.557952][  T235] RIP: 0033:0x7fdbbb876bcb
[   12.558145][  T235] 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
[   12.558708][  T235] RSP: 002b:00007ffc9edecdc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.558971][  T235] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdbbb876bcb
[   12.559221][  T235] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.559471][  T235] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   12.559742][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc9edeeff0
[   12.560011][  T235] R13: 0000000000000001 R14: 00007fdbbb5b46f8 R15: 00007ffc9edef800
| [   12.565043][  T235] ------------[ cut here ]------------
| [   12.565239][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/235
| [   12.565519][  T235] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.566222][  T235] Tainted: [W]=WARN
[   12.566375][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.566613][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.566857][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.567415][  T235] RSP: 0018:ffa0000000517a78 EFLAGS: 00010286
[   12.567645][  T235] RAX: 00000000ffffffa6 RBX: ff110000148e83c0 RCX: 1ff40000000a2f15
[   12.567923][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000148e847c
[   12.568193][  T235] RBP: ff1100000f674000 R08: 1fe220000291d091 R09: ff1100000288d180
[   12.568450][  T235] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.569265][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f674000
[   12.569590][  T235] FS:  00007fdbbb5b4840(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   12.569961][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.570238][  T235] CR2: 000055f382094d5c CR3: 0000000005040001 CR4: 0000000000771ef0
[   12.570560][  T235] PKRU: 55555554
[   12.570784][  T235] Call Trace:
[   12.571066][  T235]  <TASK>
[   12.571241][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.571481][  T235]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.571746][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.571982][  T235]  register_netdevice (net/core/dev.c:11488)
[   12.572232][  T235]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.572506][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.572768][  T235]  register_netdev (net/core/dev.c:11552)
[   12.573021][  T235]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   12.573267][  T235]  ops_init (net/core/net_namespace.c:137)
[   12.573483][  T235]  setup_net (net/core/net_namespace.c:446)
[   12.573744][  T235]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.573999][  T235]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.574245][  T235]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.574488][  T235]  copy_net_ns (net/core/net_namespace.c:579)
[   12.574752][  T235]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.575010][  T235]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.575232][  T235]  ksys_unshare (kernel/fork.c:3243)
[   12.575418][  T235]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.575631][  T235]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.575839][  T235]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.576030][  T235]  ? __ia32_sys_open (fs/open.c:1374)
[   12.576221][  T235]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.576407][  T235]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.576601][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.576804][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.577002][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.577209][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.577430][  T235] RIP: 0033:0x7fdbbb876bcb
[   12.577636][  T235] 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
[   12.578206][  T235] RSP: 002b:00007ffc9edecdc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.578467][  T235] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdbbb876bcb
[   12.578754][  T235] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.579023][  T235] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   12.579277][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc9edeeff0
[   12.579534][  T235] R13: 0000000000000001 R14: 00007fdbbb5b46f8 R15: 00007ffc9edef800
| [   12.584544][  T235] ------------[ cut here ]------------
| [   12.584759][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/235
| [   12.585063][  T235] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.585734][  T235] Tainted: [W]=WARN
[   12.585896][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.586123][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.586353][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.587462][  T235] RSP: 0018:ffa0000000517a68 EFLAGS: 00010286
[   12.587765][  T235] RAX: 00000000ffffffa6 RBX: ff110000148e5380 RCX: 1ff40000000a2f13
[   12.588085][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000148e543c
[   12.588393][  T235] RBP: ff1100000f609000 R08: 1fe220000291ca89 R09: ff1100000288d180
[   12.588726][  T235] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.589074][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f609000
[   12.589390][  T235] FS:  00007fdbbb5b4840(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   12.589758][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.590048][  T235] CR2: 000055f382094d5c CR3: 0000000005040001 CR4: 0000000000771ef0
[   12.590359][  T235] PKRU: 55555554
[   12.590577][  T235] Call Trace:
[   12.590797][  T235]  <TASK>
[   12.590985][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.591249][  T235]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.591490][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.591725][  T235]  register_netdevice (net/core/dev.c:11488)
[   12.591983][  T235]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.592264][  T235]  register_netdev (net/core/dev.c:11552)
[   12.592509][  T235]  sit_init_net (net/ipv6/sit.c:1860)
[   12.592774][  T235]  ops_init (net/core/net_namespace.c:137)
[   12.592996][  T235]  setup_net (net/core/net_namespace.c:446)
[   12.593206][  T235]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.593446][  T235]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.593675][  T235]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.593874][  T235]  copy_net_ns (net/core/net_namespace.c:579)
[   12.594066][  T235]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.594257][  T235]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.594445][  T235]  ksys_unshare (kernel/fork.c:3243)
[   12.594639][  T235]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.594844][  T235]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.595036][  T235]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.595224][  T235]  ? __ia32_sys_open (fs/open.c:1374)
[   12.595414][  T235]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.595611][  T235]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.595811][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.596007][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.596209][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.596399][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.596623][  T235] RIP: 0033:0x7fdbbb876bcb
[   12.596835][  T235] 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
[   12.597365][  T235] RSP: 002b:00007ffc9edecdc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.597625][  T235] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdbbb876bcb
[   12.597903][  T235] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.598161][  T235] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   12.598412][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc9edeeff0
[   12.598687][  T235] R13: 0000000000000001 R14: 00007fdbbb5b46f8 R15: 00007ffc9edef800
| [   12.611705][  T235] ------------[ cut here ]------------
| [   12.611907][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/235
| [   12.612202][  T235] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.612909][  T235] Tainted: [W]=WARN
[   12.613068][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.613294][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.613527][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.614093][  T235] RSP: 0018:ffa0000000517a78 EFLAGS: 00010286
[   12.614319][  T235] RAX: 00000000ffffffa6 RBX: ff110000148f18c0 RCX: 1ff40000000a2f15
[   12.614579][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000148f197c
[   12.614851][  T235] RBP: ff1100000f624000 R08: 1fe220000291e331 R09: ff1100000288d180
[   12.615107][  T235] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.615361][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f624000
[   12.615638][  T235] FS:  00007fdbbb5b4840(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   12.615953][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.616175][  T235] CR2: 000055f382094d5c CR3: 0000000005040001 CR4: 0000000000771ef0
[   12.616438][  T235] PKRU: 55555554
[   12.616615][  T235] Call Trace:
[   12.616778][  T235]  <TASK>
[   12.616906][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.617094][  T235]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.617281][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.617446][  T235]  register_netdevice (net/core/dev.c:11488)
[   12.617644][  T235]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.617890][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.618082][  T235]  register_netdev (net/core/dev.c:11552)
[   12.618272][  T235]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   12.618458][  T235]  ops_init (net/core/net_namespace.c:137)
[   12.618621][  T235]  setup_net (net/core/net_namespace.c:446)
[   12.618793][  T235]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.618987][  T235]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.619175][  T235]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.619363][  T235]  copy_net_ns (net/core/net_namespace.c:579)
[   12.619560][  T235]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.619764][  T235]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.619972][  T235]  ksys_unshare (kernel/fork.c:3243)
[   12.620170][  T235]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.620357][  T235]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.620551][  T235]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.620752][  T235]  ? __ia32_sys_open (fs/open.c:1374)
[   12.620952][  T235]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.621159][  T235]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.621347][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.621534][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.621739][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.621936][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.622153][  T235] RIP: 0033:0x7fdbbb876bcb
[   12.622342][  T235] 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
[   12.622899][  T235] RSP: 002b:00007ffc9edecdc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.623151][  T235] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdbbb876bcb
[   12.623400][  T235] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.623668][  T235] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   12.623928][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc9edeeff0
[   12.624176][  T235] R13: 0000000000000001 R14: 00007fdbbb5b46f8 R15: 00007ffc9edef800
| [   12.705336][  T240] ------------[ cut here ]------------
| [   12.705550][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/240
| [   12.705808][  T240] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.706414][  T240] Tainted: [W]=WARN
[   12.706519][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.706744][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.706926][  T240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.707430][  T240] RSP: 0018:ffa0000000596e30 EFLAGS: 00010286
[   12.707610][  T240] RAX: 00000000ffffffa6 RBX: ff1100000fb1a580 RCX: 1ff40000000b2d8c
[   12.707895][  T240] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fb1a63c
[   12.708105][  T240] RBP: ff1100000a38c000 R08: 1fe2200001f634c9 R09: ff11000004eaae80
[   12.708312][  T240] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.708527][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cb5d57c
[   12.708745][  T240] FS:  00007f148811f840(0000) GS:ff110000c1ac7000(0000) knlGS:0000000000000000
[   12.708991][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.709165][  T240] CR2: 000000000042ebe0 CR3: 000000000512a001 CR4: 0000000000771ef0
[   12.709371][  T240] PKRU: 55555554
[   12.709475][  T240] Call Trace:
[   12.709585][  T240]  <TASK>
[   12.709663][  T240]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.709884][  T240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.710026][  T240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.710130][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.710268][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.710404][  T240]  __dev_notify_flags (net/core/dev.c:9787)
[   12.710549][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.710693][  T240]  ? netif_change_name (net/core/dev.c:1495)
[   12.710836][  T240]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   12.710975][  T240]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   12.711147][  T240]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   12.711322][  T240]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.711460][  T240]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.711618][  T240]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.711763][  T240]  veth_newlink (drivers/net/veth.c:1871)
[   12.711922][  T240]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.712061][  T240]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.712199][  T240]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.712336][  T240]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.712489][  T240]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.712630][  T240]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.712777][  T240]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.712917][  T240]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.713056][  T240]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.713196][  T240]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.713335][  T240]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.713473][  T240]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.713616][  T240]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.713767][  T240]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.713914][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.714055][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.714190][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.714327][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.714465][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.714606][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.714771][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.714915][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.715054][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.715191][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.715329][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.715467][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.715614][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.715762][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.715921][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.716059][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.716196][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.716337][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.716474][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.716620][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.716764][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.716908][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.717047][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.717188][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.717327][  T240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.717467][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.717611][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.717755][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.717930][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   12.718073][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   12.718212][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.718350][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.718501][  T240]  __sys_sendmsg (net/socket.c:2784)
[   12.718643][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.718788][  T240]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   12.718931][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.719074][  T240]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   12.719212][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.719351][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.719490][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.719635][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.719781][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.719921][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.720091][  T240] RIP: 0033:0x7f148835908e
[   12.720235][  T240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.720737][  T240] RSP: 002b:00007ffc52188950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.720951][  T240] RAX: ffffffffffffffda RBX: 00007ffc521890e8 RCX: 00007f148835908e
[   12.721157][  T240] RDX: 0000000000000000 RSI: 00007ffc52188a00 RDI: 0000000000000005
[   12.721362][  T240] RBP: 00007ffc52188960 R08: 0000000000000000 R09: 0000000000000000
[   12.721575][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca50
[   12.721786][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc521890c0
| [   12.738299][  T240] ------------[ cut here ]------------
| [   12.738447][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/240
| [   12.738700][  T240] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.739269][  T240] Tainted: [W]=WARN
[   12.739373][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.739619][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.739975][  T240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.740464][  T240] RSP: 0018:ffa00000005971b0 EFLAGS: 00010286
[   12.740645][  T240] RAX: 00000000ffffffa6 RBX: ff1100000f81d540 RCX: 1ff40000000b2dfc
[   12.740965][  T240] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f81d5fc
[   12.741176][  T240] RBP: ff11000009734000 R08: 1fe2200001f03ac1 R09: ff11000004eaae80
[   12.741381][  T240] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.741592][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa8403b20
[   12.741912][  T240] FS:  00007f148811f840(0000) GS:ff110000c1ac7000(0000) knlGS:0000000000000000
[   12.742246][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.742428][  T240] CR2: 000000000042ebe0 CR3: 000000000512a001 CR4: 0000000000771ef0
[   12.742640][  T240] PKRU: 55555554
[   12.742752][  T240] Call Trace:
[   12.742863][  T240]  <TASK>
[   12.742935][  T240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.743078][  T240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.743184][  T240]  __dev_notify_flags (net/core/dev.c:9787)
[   12.743325][  T240]  ? netif_change_name (net/core/dev.c:1495)
[   12.743465][  T240]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.743629][  T240]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.743776][  T240]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.743920][  T240]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.744065][  T240]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.744204][  T240]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.744341][  T240]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.744486][  T240]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.744670][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.744816][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.744974][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.745118][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.745256][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.745394][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.745537][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.745693][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.745839][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.745980][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.746121][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.746260][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.746401][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.746545][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.746690][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.746833][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.746973][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.747115][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.747255][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.747395][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.747534][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.747700][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.747847][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.747988][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.748128][  T240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.748269][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.748406][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.748549][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.748727][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   12.748876][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   12.749012][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.749153][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.749306][  T240]  __sys_sendmsg (net/socket.c:2784)
[   12.749463][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.749628][  T240]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   12.749772][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.749917][  T240]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   12.750056][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.750194][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.750334][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.750473][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.750617][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.751126][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.751298][  T240] RIP: 0033:0x7f148835908e
[   12.751443][  T240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.751957][  T240] RSP: 002b:00007ffc52188950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.752162][  T240] RAX: ffffffffffffffda RBX: 00007ffc521890e8 RCX: 00007f148835908e
[   12.752364][  T240] RDX: 0000000000000000 RSI: 00007ffc52188a00 RDI: 0000000000000005
[   12.752577][  T240] RBP: 00007ffc52188960 R08: 0000000000000000 R09: 0000000000000000
[   12.752789][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca50
[   12.753001][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc521890c0
| [   12.844248][  T248] ------------[ cut here ]------------
| [   12.844457][  T248] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/248
| [   12.844952][  T248] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.845634][  T248] Tainted: [W]=WARN
[   12.845829][  T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.846091][  T248] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.846325][  T248] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.846882][  T248] RSP: 0018:ffa0000000597020 EFLAGS: 00010286
[   12.847105][  T248] RAX: 00000000ffffffa6 RBX: ff110000148f03c0 RCX: 1ff40000000b2dca
[   12.847353][  T248] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000148f047c
[   12.847611][  T248] RBP: ff11000009734000 R08: 1fe220000291e091 R09: ff11000004f40b58
[   12.847937][  T248] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.848192][  T248] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.848468][  T248] FS:  00007f9680934840(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   12.848779][  T248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.849015][  T248] CR2: 0000000015a49988 CR3: 000000000fb9b004 CR4: 0000000000771ef0
[   12.849277][  T248] PKRU: 55555554
[   12.849432][  T248] Call Trace:
[   12.849593][  T248]  <TASK>
[   12.849733][  T248]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.849934][  T248]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.850102][  T248]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.850295][  T248]  __dev_notify_flags (net/core/dev.c:9787)
[   12.850486][  T248]  ? netif_change_name (net/core/dev.c:1495)
[   12.850698][  T248]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.850900][  T248]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.851106][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.851294][  T248]  ? 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))
[   12.851485][  T248]  netif_change_flags (net/core/dev.c:9820)
[   12.851780][  T248]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.852076][  T248]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.852345][  T248]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.852624][  T248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.852960][  T248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.853229][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.853503][  T248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.853818][  T248]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.854090][  T248]  ? __kernel_text_address (kernel/extable.c:79)
[   12.854355][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.854616][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.854859][  T248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.855048][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.855235][  T248]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.855421][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.855617][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.855821][  T248]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.856015][  T248]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.856207][  T248]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.856395][  T248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.856594][  T248]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.856804][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.857006][  T248]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.857199][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.857384][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.857579][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.857783][  T248]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.857978][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.858170][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.858355][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.858552][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.858754][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.858959][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.859152][  T248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.859341][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.859526][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.859735][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.859933][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.860119][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.860307][  T248]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.860511][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.860731][  T248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.860933][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.861123][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.861312][  T248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.861501][  T248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.861708][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.861906][  T248]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.862097][  T248]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.862284][  T248]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.862474][  T248]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.862687][  T248]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.862886][  T248]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.863125][  T248]  ? move_addr_to_kernel (net/socket.c:258)
[   12.863313][  T248]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.863504][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.863710][  T248]  ___sys_sendmsg (net/socket.c:2752)
[   12.863908][  T248]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.864127][  T248]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.864325][  T248]  __sys_sendmsg (net/socket.c:2784)
[   12.864513][  T248]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.864721][  T248]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.864958][  T248]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.865145][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.865334][  T248]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.865522][  T248]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.865730][  T248]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.865927][  T248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.866145][  T248] RIP: 0033:0x7f9680b6e08e
[   12.866352][  T248] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.866921][  T248] RSP: 002b:00007ffe38512d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.867437][  T248] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9680b6e08e
[   12.867711][  T248] RDX: 0000000000000000 RSI: 00007ffe38512dc0 RDI: 0000000000000005
[   12.867978][  T248] RBP: 00007ffe38512d20 R08: 0000000000000000 R09: 0000000000000000
[   12.868276][  T248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca51
[   12.868528][  T248] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe38513480
| [   12.932029][  T257] ------------[ cut here ]------------
| [   12.932193][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/257
| [   12.932441][  T257] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.933107][  T257] Tainted: [W]=WARN
[   12.933211][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.933382][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.933754][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.934360][  T257] RSP: 0018:ffa0000000716ff8 EFLAGS: 00010286
[   12.934600][  T257] RAX: 00000000ffffffa6 RBX: ff1100000e90fe00 RCX: 1ff40000000e2dc5
[   12.934998][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e90febc
[   12.935198][  T257] RBP: ff1100000a38c000 R08: 1fe2200001d21fd9 R09: ff1100000f59d158
[   12.935396][  T257] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.935602][  T257] R13: 0000000000000000 R14: ffa0000000717140 R15: ff1100000c99dc50
[   12.935916][  T257] FS:  00007faae2273840(0000) GS:ff110000c1c47000(0000) knlGS:0000000000000000
[   12.936153][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.936322][  T257] CR2: 000055a34c956828 CR3: 0000000009b69004 CR4: 0000000000771ef0
[   12.936632][  T257] PKRU: 55555554
[   12.936807][  T257] Call Trace:
[   12.936909][  T257]  <TASK>
[   12.936983][  T257]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   12.937118][  T257]  __dev_change_net_namespace (net/core/dev.c:12635)
[   12.937290][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.937425][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.937568][  T257]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.937837][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.937973][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.938108][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.938248][  T257]  ? 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))
[   12.938383][  T257]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.938516][  T257]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   12.938744][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.938882][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.939022][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.939192][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.939331][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.939469][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.939609][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.939847][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   12.939986][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.940122][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.940259][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.940480][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.940635][  T257]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.940861][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.941006][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.941143][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.941294][  T257]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.941428][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.941568][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.941789][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.941929][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.942156][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.942293][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.942514][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.942844][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.943073][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.943206][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.943358][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.943499][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.943636][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.943862][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.944001][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.944145][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.944450][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.944764][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.944903][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.945038][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.945181][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.945398][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.945532][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.945759][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.945897][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.946039][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.946258][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.946393][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.946538][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.946745][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.946884][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.947023][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.947327][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.947463][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.947603][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.947837][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.948005][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.948309][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.948444][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.948585][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   12.948892][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.949065][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.949210][  T257]  __sys_sendmsg (net/socket.c:2784)
[   12.949344][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.949475][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.949844][  T257]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.949982][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.950119][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.950251][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.950384][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.950516][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.950782][  T257] RIP: 0033:0x7faae24ad08e
[   12.950934][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.951503][  T257] RSP: 002b:00007ffdeaf7aa50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.951797][  T257] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faae24ad08e
[   12.952007][  T257] RDX: 0000000000000000 RSI: 00007ffdeaf7ab00 RDI: 0000000000000005
[   12.952207][  T257] RBP: 00007ffdeaf7aa60 R08: 0000000000000000 R09: 0000000000000000
[   12.952407][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca51
[   12.953071][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdeaf7b1c0
| [   12.961495][  T257] ------------[ cut here ]------------
| [   12.961667][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/257
| [   12.961927][  T257] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   12.962487][  T257] Tainted: [W]=WARN
[   12.962594][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.962817][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.962998][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.963483][  T257] RSP: 0018:ffa0000000716fc0 EFLAGS: 00010286
[   12.963664][  T257] RAX: 00000000ffffffa6 RBX: ff1100000b37b540 RCX: 1ff40000000e2dbe
[   12.963869][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b37b5fc
[   12.964075][  T257] RBP: ff1100000a38c000 R08: 1fe220000166f6c1 R09: ff1100000f59d158
[   12.964276][  T257] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.964477][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c99dc50
[   12.964692][  T257] FS:  00007faae2273840(0000) GS:ff110000c1c47000(0000) knlGS:0000000000000000
[   12.964937][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.965111][  T257] CR2: 000055a34c9326e0 CR3: 0000000009b69004 CR4: 0000000000771ef0
[   12.965314][  T257] PKRU: 55555554
[   12.965416][  T257] Call Trace:
[   12.965518][  T257]  <TASK>
[   12.965595][  T257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.965738][  T257]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.965880][  T257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.965988][  T257]  __dev_change_net_namespace (net/core/dev.c:12695)
[   12.966166][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.966302][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.966442][  T257]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.966618][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.966756][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.966897][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.967036][  T257]  ? 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))
[   12.967184][  T257]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.967324][  T257]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   12.967462][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.967607][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.967749][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.967922][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.968061][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.968197][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.968333][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.968469][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   12.968699][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.968843][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.968987][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.969125][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.969266][  T257]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.969401][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.969536][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.969684][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.969829][  T257]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.969968][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.970109][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.970246][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.970381][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.970519][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.970668][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.970814][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.970949][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.971087][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.971223][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.971359][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.971497][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.971638][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.971779][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.971920][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.972059][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.972194][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.972332][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.972477][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.972615][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.972757][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.972896][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.973033][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.973169][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.973308][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.973445][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.973585][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.973727][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.973869][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.974004][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.974141][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.974277][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.974412][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.974554][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.974698][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.974838][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.975005][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.975140][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.975273][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.975415][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   12.975572][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.975746][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.975895][  T257]  __sys_sendmsg (net/socket.c:2784)
[   12.976032][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.976167][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.976336][  T257]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.976474][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.976616][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.976757][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.976897][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.977033][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.977201][  T257] RIP: 0033:0x7faae24ad08e
[   12.977342][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.977834][  T257] RSP: 002b:00007ffdeaf7aa50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.978039][  T257] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faae24ad08e
[   12.978244][  T257] RDX: 0000000000000000 RSI: 00007ffdeaf7ab00 RDI: 0000000000000005
[   12.978446][  T257] RBP: 00007ffdeaf7aa60 R08: 0000000000000000 R09: 0000000000000000
[   12.978657][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca51
[   12.978866][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdeaf7b1c0
| [   13.052566][  T260] ------------[ cut here ]------------
| [   13.052747][  T260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/260
| [   13.052999][  T260] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   13.053548][  T260] Tainted: [W]=WARN
[   13.053649][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.053828][  T260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.054001][  T260] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.054482][  T260] RSP: 0018:ffa0000000677020 EFLAGS: 00010286
[   13.054665][  T260] RAX: 00000000ffffffa6 RBX: ff1100000b7dfa80 RCX: 1ff40000000cedca
[   13.054879][  T260] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7dfb3c
[   13.055078][  T260] RBP: ff1100000a38c000 R08: 1fe22000016fbf69 R09: ff11000002420b58
[   13.055274][  T260] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.055471][  T260] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.055682][  T260] FS:  00007f0375681840(0000) GS:ff110000c1c47000(0000) knlGS:0000000000000000
[   13.055917][  T260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.056084][  T260] CR2: 00007f03759511a0 CR3: 0000000005040002 CR4: 0000000000771ef0
[   13.056282][  T260] PKRU: 55555554
[   13.056383][  T260] Call Trace:
[   13.056482][  T260]  <TASK>
[   13.056558][  T260]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.056698][  T260]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.056803][  T260]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.056938][  T260]  __dev_notify_flags (net/core/dev.c:9787)
[   13.057075][  T260]  ? netif_change_name (net/core/dev.c:1495)
[   13.057207][  T260]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.057341][  T260]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.057474][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.057611][  T260]  ? 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))
[   13.057758][  T260]  netif_change_flags (net/core/dev.c:9820)
[   13.057898][  T260]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.058031][  T260]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.058170][  T260]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.058303][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.058468][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.058606][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.058798][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.058933][  T260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.059068][  T260]  ? __kernel_text_address (kernel/extable.c:79)
[   13.059201][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.059337][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.059469][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.059608][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.059803][  T260]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.059937][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.060103][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.060238][  T260]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.060371][  T260]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.060504][  T260]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.060643][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.060895][  T260]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.061034][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.061171][  T260]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.061306][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.061437][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.061573][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.061761][  T260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.061898][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.062035][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.062168][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.062298][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.062429][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.062568][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.062757][  T260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.062896][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.063028][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.063165][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.063306][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.063439][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.063580][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.063767][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.063905][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.064040][  T260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.064173][  T260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.064306][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.064438][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.064575][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.064764][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.064911][  T260]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.065044][  T260]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.065179][  T260]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.065313][  T260]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.065444][  T260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.065613][  T260]  ? move_addr_to_kernel (net/socket.c:258)
[   13.065832][  T260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.065965][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.066099][  T260]  ___sys_sendmsg (net/socket.c:2752)
[   13.066232][  T260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.066396][  T260]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.066559][  T260]  __sys_sendmsg (net/socket.c:2784)
[   13.066769][  T260]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.066904][  T260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.067073][  T260]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.067208][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.067340][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.067473][  T260]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.067849][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.067982][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.068147][  T260] RIP: 0033:0x7f03758bb08e
[   13.068287][  T260] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.068848][  T260] RSP: 002b:00007ffc672db330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.069047][  T260] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f03758bb08e
[   13.069242][  T260] RDX: 0000000000000000 RSI: 00007ffc672db3e0 RDI: 0000000000000005
[   13.069452][  T260] RBP: 00007ffc672db340 R08: 0000000000000000 R09: 0000000000000000
[   13.069720][  T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca51
[   13.069920][  T260] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc672dbaa0
| [   13.078201][   T58] ------------[ cut here ]------------
| [   13.078384][   T58] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/58
| [   13.078703][   T58] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   13.079308][   T58] Tainted: [W]=WARN
[   13.079399][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.079555][   T58] Workqueue: events_unbound linkwatch_event
[   13.079761][   T58] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.079923][   T58] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.080367][   T58] RSP: 0018:ffa00000003ef9e0 EFLAGS: 00010286
[   13.080521][   T58] RAX: 00000000ffffffa6 RBX: ff1100000d70e040 RCX: 1ff400000007df02
[   13.080716][   T58] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d70e0fc
[   13.080908][   T58] RBP: ff1100000a38c000 R08: 1fe2200001ae1c21 R09: ff110000052c8ba8
[   13.081089][   T58] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.081271][   T58] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.081452][   T58] FS:  0000000000000000(0000) GS:ff110000c1b47000(0000) knlGS:0000000000000000
[   13.081680][   T58] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.081838][   T58] CR2: 00007fbdc390c580 CR3: 0000000050f4d002 CR4: 0000000000771ef0
[   13.082026][   T58] PKRU: 55555554
[   13.082116][   T58] Call Trace:
[   13.082206][   T58]  <TASK>
[   13.082269][   T58]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.082393][   T58]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.082517][   T58]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.082615][   T58]  netif_state_change (net/core/dev.c:1605)
[   13.082742][   T58]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.082898][   T58]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.083019][   T58]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.083139][   T58]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.083261][   T58]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.083383][   T58]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.083503][   T58]  process_one_work (kernel/workqueue.c:3314)
[   13.083634][   T58]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.083759][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.083894][   T58]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.084019][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.084142][   T58]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.084265][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.084384][   T58]  kthread (kernel/kthread.c:436)
[   13.084475][   T58]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.084630][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.084753][   T58]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.084878][   T58]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.085028][   T58]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.085151][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.085270][   T58]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.087260][   T58] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/58
| [   13.087518][   T58] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   13.087896][  T260] ip (260) used greatest stack depth: 23632 bytes left
| [   13.088126][   T58] Tainted: [W]=WARN
[   13.088368][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.088519][   T58] Workqueue: events_unbound linkwatch_event
[   13.088685][   T58] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.088846][   T58] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.089275][   T58] RSP: 0018:ffa00000003ef9e0 EFLAGS: 00010286
[   13.089433][   T58] RAX: 00000000ffffffa6 RBX: ff1100000d70f1c0 RCX: 1ff400000007df02
[   13.089618][   T58] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d70f27c
[   13.089806][   T58] RBP: ff11000009734000 R08: 1fe2200001ae1e51 R09: ff110000052c8ba8
[   13.089991][   T58] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.090170][   T58] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.090355][   T58] FS:  0000000000000000(0000) GS:ff110000c1b47000(0000) knlGS:0000000000000000
[   13.090572][   T58] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.090727][   T58] CR2: 00007fbdc390c580 CR3: 0000000050f4d002 CR4: 0000000000771ef0
[   13.090908][   T58] PKRU: 55555554
[   13.090999][   T58] Call Trace:
[   13.091089][   T58]  <TASK>
[   13.091152][   T58]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.091272][   T58]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.091393][   T58]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.091485][   T58]  netif_state_change (net/core/dev.c:1605)
[   13.091612][   T58]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.091789][   T58]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.091928][   T58]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.092048][   T58]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.092172][   T58]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.092303][   T58]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.092426][   T58]  process_one_work (kernel/workqueue.c:3314)
[   13.092557][   T58]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.092681][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.092811][   T58]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.092933][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.093053][   T58]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.093192][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.093312][   T58]  kthread (kernel/kthread.c:436)
[   13.093402][   T58]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.093557][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.093687][   T58]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.093817][   T58]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.093967][   T58]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.094086][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.094204][   T58]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.755290][  T264] ------------[ cut here ]------------
| [   13.755484][  T264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/264
| [   13.755830][  T264] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   13.756491][  T264] Tainted: [W]=WARN
[   13.756625][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.756823][  T264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.757026][  T264] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.757587][  T264] RSP: 0018:ffa0000000647390 EFLAGS: 00010286
[   13.757791][  T264] RAX: 00000000ffffffa6 RBX: ff1100000bdbb8c0 RCX: 1ff40000000c8e38
[   13.758026][  T264] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdbb97c
[   13.758260][  T264] RBP: ff11000009734000 R08: 1fe22000017b7731 R09: ff11000009b351a8
[   13.758493][  T264] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.758740][  T264] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.758970][  T264] FS:  00007f52d426f400(0000) GS:ff110000c1b47000(0000) knlGS:0000000000000000
[   13.759236][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.759430][  T264] CR2: 00007f52c3f6f020 CR3: 0000000004cea003 CR4: 0000000000771ef0
[   13.759685][  T264] PKRU: 55555554
[   13.759802][  T264] Call Trace:
[   13.759919][  T264]  <TASK>
[   13.759999][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.760155][  T264]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.760307][  T264]  notifier_call_chain (kernel/notifier.c:85)
[   13.760464][  T264]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   13.760624][  T264]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.760781][  T264]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   13.760983][  T264]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   13.761174][  T264]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.761346][  T264]  ? ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[   13.761539][  T264]  ? new_vport (net/openvswitch/datapath.c:203) openvswitch
[   13.761704][  T264]  ? ovs_vport_cmd_new (net/openvswitch/datapath.c:2373) openvswitch
[   13.761900][  T264]  ? genl_rcv_msg (net/netlink/genetlink.c:1209)
[   13.762059][  T264]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   13.762212][  T264]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   13.762367][  T264]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   13.762567][  T264] ovs_netdev_link (net/openvswitch/vport-netdev.c:94 (discriminator 1)) openvswitch
[   13.762767][  T264] ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[   13.762968][  T264] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   13.763124][  T264]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   13.763317][  T264] ovs_vport_cmd_new (net/openvswitch/datapath.c:2373) openvswitch
[   13.763515][  T264]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.763759][  T264]  ? __nla_validate_parse (lib/nlattr.c:635)
[   13.763919][  T264]  ? __nla_parse (lib/nlattr.c:732)
[   13.764074][  T264]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   13.764269][  T264]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   13.764423][  T264]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   13.764625][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.764783][  T264]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.764942][  T264]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.765098][  T264]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   13.765252][  T264]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   13.765443][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.765641][  T264]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.765884][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.766041][  T264]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   13.766194][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.766347][  T264]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   13.766502][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.766670][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.766827][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.766981][  T264]  genl_rcv (net/netlink/genetlink.c:1218)
[   13.767096][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.767312][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.767463][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.767623][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.767781][  T264]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.767937][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.768090][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.768242][  T264]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   13.768395][  T264]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   13.768566][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   13.768725][  T264]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   13.768883][  T264]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.769074][  T264]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.769226][  T264]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.769381][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.769535][  T264]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.769707][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.769862][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.770053][  T264] RIP: 0033:0x7f52d4402e32
[   13.770213][  T264] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   13.770765][  T264] RSP: 002b:00007fff61e89918 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.771012][  T264] RAX: ffffffffffffffda RBX: 00007fff61e89a48 RCX: 00007f52d4402e32
[   13.771245][  T264] RDX: 0000000000000030 RSI: 00007f52c3f72830 RDI: 0000000000000023
[   13.771477][  T264] RBP: 00007fff61e89940 R08: 00007fff61e89ac0 R09: 000000000000000c
[   13.771716][  T264] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52d216d630
[   13.771948][  T264] R13: 00007fff61e89a48 R14: 00007f52d3d21005 R15: 0000000000000002
| [   13.773926][  T264] ------------[ cut here ]------------
| [   13.774083][  T264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: python3/264
| [   13.774390][  T264] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   13.775041][  T264] Tainted: [W]=WARN
[   13.775159][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.775354][  T264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.775560][  T264] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.776126][  T264] RSP: 0018:ffa00000006473c0 EFLAGS: 00010286
[   13.776322][  T264] RAX: 00000000ffffffa6 RBX: ff1100000bdbba80 RCX: 1ff40000000c8e3e
[   13.776564][  T264] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdbbb3c
[   13.776798][  T264] RBP: ff11000009734000 R08: 1fe22000017b7769 R09: ff11000009b351a8
[   13.777037][  T264] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   13.777270][  T264] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dfc820
[   13.777504][  T264] FS:  00007f52d426f400(0000) GS:ff110000c1b47000(0000) knlGS:0000000000000000
[   13.777784][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.777984][  T264] CR2: 00007f52c3f6f020 CR3: 0000000004cea003 CR4: 0000000000771ef0
[   13.778215][  T264] PKRU: 55555554
[   13.778334][  T264] Call Trace:
[   13.778453][  T264]  <TASK>
[   13.778533][  T264]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.778703][  T264]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.778861][  T264]  ? __netdev_update_features (net/core/dev.c:11012 (discriminator 2))
[   13.779022][  T264]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.779141][  T264]  __dev_notify_flags (net/core/dev.c:9787)
[   13.779298][  T264]  ? netdev_notice (net/core/dev.c:13008)
[   13.779456][  T264]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   13.779664][  T264]  ? netif_change_name (net/core/dev.c:1495)
[   13.779830][  T264]  __dev_set_promiscuity (net/core/dev.c:9630)
[   13.779990][  T264]  netif_set_promiscuity (net/core/dev.c:9639)
[   13.780150][  T264]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.780306][  T264]  ? dev_disable_lro (net/core/dev_api.c:267)
[   13.780461][  T264] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   13.780666][  T264] ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[   13.780867][  T264] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   13.781026][  T264]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   13.781234][  T264] ovs_vport_cmd_new (net/openvswitch/datapath.c:2373) openvswitch
[   13.781433][  T264]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.781676][  T264]  ? __nla_validate_parse (lib/nlattr.c:635)
[   13.781838][  T264]  ? __nla_parse (lib/nlattr.c:732)
[   13.781996][  T264]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   13.782197][  T264]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   13.782352][  T264]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   13.782556][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.782718][  T264]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.782877][  T264]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.783038][  T264]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   13.783195][  T264]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   13.783390][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.783590][  T264]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.783833][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.783996][  T264]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   13.784154][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.784308][  T264]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   13.784465][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.784633][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.784795][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.784955][  T264]  genl_rcv (net/netlink/genetlink.c:1218)
[   13.785074][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.785230][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.785385][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.785544][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.785709][  T264]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.785871][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.786028][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.786185][  T264]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   13.786341][  T264]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   13.786520][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   13.786695][  T264]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   13.786855][  T264]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.787053][  T264]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.787207][  T264]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.787363][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.787518][  T264]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.787682][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.787841][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.788034][  T264] RIP: 0033:0x7f52d4402e32
[   13.788195][  T264] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   13.788758][  T264] RSP: 002b:00007fff61e89918 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.789001][  T264] RAX: ffffffffffffffda RBX: 00007fff61e89a48 RCX: 00007f52d4402e32
[   13.789233][  T264] RDX: 0000000000000030 RSI: 00007f52c3f72830 RDI: 0000000000000023
[   13.789465][  T264] RBP: 00007fff61e89940 R08: 00007fff61e89ac0 R09: 000000000000000c
[   13.789706][  T264] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52d216d630
[   13.789940][  T264] R13: 00007fff61e89a48 R14: 00007f52d3d21005 R15: 0000000000000002
| [   13.933503][  T284] ------------[ cut here ]------------
| [   13.933702][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/284
| [   13.933974][  T284] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   13.934536][  T284] Tainted: [W]=WARN
[   13.934645][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.934828][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.935006][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.935506][  T284] RSP: 0018:ffa0000000707a80 EFLAGS: 00010286
[   13.935692][  T284] RAX: 00000000ffffffa6 RBX: ff1100000bda9700 RCX: 1ff40000000e0f16
[   13.935900][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bda97bc
[   13.936107][  T284] RBP: ff110000095a4000 R08: 1fe22000017b52f9 R09: ff1100000f41d180
[   13.936309][  T284] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.936510][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000095a4000
[   13.936735][  T284] FS:  00007f9c8813d840(0000) GS:ff110000c1ac7000(0000) knlGS:0000000000000000
[   13.936984][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.937157][  T284] CR2: 00007f9c8833ec20 CR3: 0000000004b49003 CR4: 0000000000771ef0
[   13.937379][  T284] PKRU: 55555554
[   13.937481][  T284] Call Trace:
[   13.937585][  T284]  <TASK>
[   13.937661][  T284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.937802][  T284]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.937945][  T284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.938049][  T284]  register_netdevice (net/core/dev.c:11488)
[   13.938202][  T284]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.938371][  T284]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.938509][  T284]  register_netdev (net/core/dev.c:11552)
[   13.938657][  T284]  loopback_net_init (drivers/net/loopback.c:218)
[   13.938795][  T284]  ops_init (net/core/net_namespace.c:137)
[   13.938904][  T284]  setup_net (net/core/net_namespace.c:446)
[   13.939007][  T284]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.939143][  T284]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.939279][  T284]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.939417][  T284]  copy_net_ns (net/core/net_namespace.c:579)
[   13.939557][  T284]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.939703][  T284]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.939844][  T284]  ksys_unshare (kernel/fork.c:3243)
[   13.939981][  T284]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.940118][  T284]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.940253][  T284]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.940400][  T284]  ? __ia32_sys_open (fs/open.c:1374)
[   13.940537][  T284]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.940686][  T284]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.940826][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.940960][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.941098][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.941233][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.941400][  T284] RIP: 0033:0x7f9c883ffbcb
[   13.941544][  T284] 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
[   13.942050][  T284] RSP: 002b:00007fff11a58eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.942253][  T284] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9c883ffbcb
[   13.942461][  T284] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.942709][  T284] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.942915][  T284] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a5b0e0
[   13.943121][  T284] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5b800
| [   13.953713][  T284] ------------[ cut here ]------------
| [   13.953881][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/284
| [   13.954116][  T284] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   13.954682][  T284] Tainted: [W]=WARN
[   13.954783][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.954964][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.955140][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.955639][  T284] RSP: 0018:ffa0000000707918 EFLAGS: 00010286
[   13.955819][  T284] RAX: 00000000ffffffa6 RBX: ff1100000c0b6200 RCX: 1ff40000000e0ee9
[   13.956031][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0b62bc
[   13.956232][  T284] RBP: ff1100000eaf9000 R08: 1fe2200001816c59 R09: ff1100000f41d180
[   13.956429][  T284] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.956644][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eaf9000
[   13.956854][  T284] FS:  00007f9c8813d840(0000) GS:ff110000c1ac7000(0000) knlGS:0000000000000000
[   13.957088][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.957256][  T284] CR2: 00007f9c8833ec20 CR3: 0000000004b49003 CR4: 0000000000771ef0
[   13.957459][  T284] PKRU: 55555554
[   13.957583][  T284] Call Trace:
[   13.957692][  T284]  <TASK>
[   13.957761][  T284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.957901][  T284]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.958037][  T284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.958139][  T284]  register_netdevice (net/core/dev.c:11488)
[   13.958276][  T284]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.958450][  T284]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.958595][  T284]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.958736][  T284]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.958875][  T284]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.959009][  T284]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.959144][  T284]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.959283][  T284]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   13.959421][  T284]  ops_init (net/core/net_namespace.c:137)
[   13.959524][  T284]  setup_net (net/core/net_namespace.c:446)
[   13.959632][  T284]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.959774][  T284]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.959910][  T284]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.960047][  T284]  copy_net_ns (net/core/net_namespace.c:579)
[   13.960181][  T284]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.960320][  T284]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.960455][  T284]  ksys_unshare (kernel/fork.c:3243)
[   13.960594][  T284]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.960731][  T284]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.960871][  T284]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.961006][  T284]  ? __ia32_sys_open (fs/open.c:1374)
[   13.961146][  T284]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.961298][  T284]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.961430][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.961565][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.961702][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.961846][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.962016][  T284] RIP: 0033:0x7f9c883ffbcb
[   13.962155][  T284] 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
[   13.962644][  T284] RSP: 002b:00007fff11a58eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.962866][  T284] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9c883ffbcb
[   13.963070][  T284] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.963280][  T284] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.963479][  T284] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a5b0e0
[   13.963691][  T284] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5b800
| [   13.967605][  T284] ------------[ cut here ]------------
| [   13.967776][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/284
| [   13.968117][  T284] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   13.968682][  T284] Tainted: [W]=WARN
[   13.968789][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.968964][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.969139][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.969731][  T284] RSP: 0018:ffa00000007078f8 EFLAGS: 00010286
[   13.969995][  T284] RAX: 00000000ffffffa6 RBX: ff1100000614b1c0 RCX: 1ff40000000e0ee5
[   13.970201][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000614b27c
[   13.970403][  T284] RBP: ff1100000fabc000 R08: 1fe2200000c29651 R09: ff1100000f41d180
[   13.970707][  T284] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.970933][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fabc000
[   13.971138][  T284] FS:  00007f9c8813d840(0000) GS:ff110000c1ac7000(0000) knlGS:0000000000000000
[   13.971465][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.971643][  T284] CR2: 00007f9c8833ec20 CR3: 0000000004b49003 CR4: 0000000000771ef0
[   13.971945][  T284] PKRU: 55555554
[   13.972047][  T284] Call Trace:
[   13.972148][  T284]  <TASK>
[   13.972219][  T284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.972354][  T284]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.972584][  T284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.972703][  T284]  register_netdevice (net/core/dev.c:11488)
[   13.972846][  T284]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.973014][  T284]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.973238][  T284]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.973376][  T284]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.973512][  T284]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.973658][  T284]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.973891][  T284]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.974029][  T284]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.974164][  T284]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.974304][  T284]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.974527][  T284]  ops_init (net/core/net_namespace.c:137)
[   13.974637][  T284]  setup_net (net/core/net_namespace.c:446)
[   13.974745][  T284]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.974882][  T284]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.975021][  T284]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.975248][  T284]  copy_net_ns (net/core/net_namespace.c:579)
[   13.975384][  T284]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.975521][  T284]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.975666][  T284]  ksys_unshare (kernel/fork.c:3243)
[   13.975892][  T284]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.976026][  T284]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.976162][  T284]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.976296][  T284]  ? __ia32_sys_open (fs/open.c:1374)
[   13.976521][  T284]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.976666][  T284]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.976803][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.976945][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.977172][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.977306][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.977475][  T284] RIP: 0033:0x7f9c883ffbcb
[   13.977622][  T284] 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
[   13.978206][  T284] RSP: 002b:00007fff11a58eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.978499][  T284] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9c883ffbcb
[   13.978729][  T284] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.978939][  T284] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.979229][  T284] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a5b0e0
[   13.979432][  T284] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5b800
| [   13.985138][  T284] ------------[ cut here ]------------
| [   13.985294][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/284
| [   13.985527][  T284] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   13.986111][  T284] Tainted: [W]=WARN
[   13.986212][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.986382][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.986562][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.987054][  T284] RSP: 0018:ffa0000000707a78 EFLAGS: 00010286
[   13.987223][  T284] RAX: 00000000ffffffa6 RBX: ff1100000614a3c0 RCX: 1ff40000000e0f15
[   13.987424][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000614a47c
[   13.987628][  T284] RBP: ff1100000f914000 R08: 1fe2200000c29491 R09: ff1100000f41d180
[   13.987836][  T284] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.988034][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f914000
[   13.988250][  T284] FS:  00007f9c8813d840(0000) GS:ff110000c1ac7000(0000) knlGS:0000000000000000
[   13.988487][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.988664][  T284] CR2: 00007f9c8833ec20 CR3: 0000000004b49003 CR4: 0000000000771ef0
[   13.988873][  T284] PKRU: 55555554
[   13.988974][  T284] Call Trace:
[   13.989075][  T284]  <TASK>
[   13.989186][  T284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.989325][  T284]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.989459][  T284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.989568][  T284]  register_netdevice (net/core/dev.c:11488)
[   13.989711][  T284]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.989878][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.990014][  T284]  register_netdev (net/core/dev.c:11552)
[   13.990149][  T284]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.990282][  T284]  ops_init (net/core/net_namespace.c:137)
[   13.990387][  T284]  setup_net (net/core/net_namespace.c:446)
[   13.990492][  T284]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.990641][  T284]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.990780][  T284]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.990919][  T284]  copy_net_ns (net/core/net_namespace.c:579)
[   13.991057][  T284]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.991194][  T284]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.991327][  T284]  ksys_unshare (kernel/fork.c:3243)
[   13.991931][  T284]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.992068][  T284]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.992201][  T284]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.992334][  T284]  ? __ia32_sys_open (fs/open.c:1374)
[   13.992476][  T284]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.992620][  T284]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.992823][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.992965][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.993102][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.993236][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.993403][  T284] RIP: 0033:0x7f9c883ffbcb
[   13.993542][  T284] 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
[   13.994093][  T284] RSP: 002b:00007fff11a58eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.994295][  T284] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9c883ffbcb
[   13.994494][  T284] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.994756][  T284] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.994963][  T284] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a5b0e0
[   13.995180][  T284] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5b800
| [   14.000563][  T284] ------------[ cut here ]------------
| [   14.000756][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/284
| [   14.001051][  T284] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   14.001740][  T284] Tainted: [W]=WARN
[   14.001903][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.002123][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.002349][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.002915][  T284] RSP: 0018:ffa0000000707a68 EFLAGS: 00010286
[   14.003142][  T284] RAX: 00000000ffffffa6 RBX: ff1100000c0b7e00 RCX: 1ff40000000e0f13
[   14.003400][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0b7ebc
[   14.003677][  T284] RBP: ff1100000f019000 R08: 1fe2200001816fd9 R09: ff1100000f41d180
[   14.003938][  T284] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.004188][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f019000
[   14.004440][  T284] FS:  00007f9c8813d840(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   14.004774][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.005003][  T284] CR2: 000055f382094d5c CR3: 0000000004b49005 CR4: 0000000000771ef0
[   14.005256][  T284] PKRU: 55555554
[   14.005407][  T284] Call Trace:
[   14.005565][  T284]  <TASK>
[   14.005700][  T284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.005896][  T284]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.006088][  T284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.006241][  T284]  register_netdevice (net/core/dev.c:11488)
[   14.006428][  T284]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.006723][  T284]  register_netdev (net/core/dev.c:11552)
[   14.006926][  T284]  sit_init_net (net/ipv6/sit.c:1860)
[   14.007113][  T284]  ops_init (net/core/net_namespace.c:137)
[   14.007266][  T284]  setup_net (net/core/net_namespace.c:446)
[   14.007423][  T284]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.007616][  T284]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.007821][  T284]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.008028][  T284]  copy_net_ns (net/core/net_namespace.c:579)
[   14.008221][  T284]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.008411][  T284]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.008603][  T284]  ksys_unshare (kernel/fork.c:3243)
[   14.008809][  T284]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.009006][  T284]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.009190][  T284]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.009376][  T284]  ? __ia32_sys_open (fs/open.c:1374)
[   14.009587][  T284]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.009791][  T284]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.009993][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.010190][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.010383][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.010582][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.010816][  T284] RIP: 0033:0x7f9c883ffbcb
[   14.011014][  T284] 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
[   14.011536][  T284] RSP: 002b:00007fff11a58eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.011885][  T284] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9c883ffbcb
[   14.012134][  T284] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.012381][  T284] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.012637][  T284] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a5b0e0
[   14.012910][  T284] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5b800
| [   14.024002][  T284] ------------[ cut here ]------------
| [   14.024190][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/284
| [   14.024485][  T284] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   14.025174][  T284] Tainted: [W]=WARN
[   14.025328][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.025546][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.025795][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.026345][  T284] RSP: 0018:ffa0000000707a78 EFLAGS: 00010286
[   14.026574][  T284] RAX: 00000000ffffffa6 RBX: ff1100000a1ce3c0 RCX: 1ff40000000e0f15
[   14.026844][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1ce47c
[   14.027098][  T284] RBP: ff1100000f594000 R08: 1fe2200001439c91 R09: ff1100000f41d180
[   14.027364][  T284] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.027622][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f594000
[   14.027904][  T284] FS:  00007f9c8813d840(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   14.028194][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.028411][  T284] CR2: 000055f382094d5c CR3: 0000000004b49005 CR4: 0000000000771ef0
[   14.028718][  T284] PKRU: 55555554
[   14.028881][  T284] Call Trace:
[   14.029034][  T284]  <TASK>
[   14.029158][  T284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.029348][  T284]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.029533][  T284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.029732][  T284]  register_netdevice (net/core/dev.c:11488)
[   14.029939][  T284]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.030157][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.030345][  T284]  register_netdev (net/core/dev.c:11552)
[   14.030530][  T284]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.030741][  T284]  ops_init (net/core/net_namespace.c:137)
[   14.030906][  T284]  setup_net (net/core/net_namespace.c:446)
[   14.031062][  T284]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.031245][  T284]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.031432][  T284]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.031628][  T284]  copy_net_ns (net/core/net_namespace.c:579)
[   14.031833][  T284]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.032026][  T284]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.032213][  T284]  ksys_unshare (kernel/fork.c:3243)
[   14.032398][  T284]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.032591][  T284]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.032792][  T284]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.032988][  T284]  ? __ia32_sys_open (fs/open.c:1374)
[   14.033177][  T284]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.033364][  T284]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.033561][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.033769][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.033965][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.034158][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.034375][  T284] RIP: 0033:0x7f9c883ffbcb
[   14.034573][  T284] 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
[   14.035129][  T284] RSP: 002b:00007fff11a58eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.035386][  T284] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9c883ffbcb
[   14.035648][  T284] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.035928][  T284] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.036178][  T284] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a5b0e0
[   14.036427][  T284] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5b800
| [   14.119038][  T289] ------------[ cut here ]------------
| [   14.119199][  T289] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/289
| [   14.119444][  T289] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   14.120026][  T289] Tainted: [W]=WARN
[   14.120131][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.120305][  T289] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.120504][  T289] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.121100][  T289] RSP: 0018:ffa0000000876e30 EFLAGS: 00010286
[   14.121277][  T289] RAX: 00000000ffffffa6 RBX: ff1100000d5a31c0 RCX: 1ff400000010ed8c
[   14.121487][  T289] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5a327c
[   14.121760][  T289] RBP: ff1100000f324000 R08: 1fe2200001ab4651 R09: ff1100000f3fd180
[   14.121972][  T289] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.122181][  T289] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b53717c
[   14.122391][  T289] FS:  00007f12e0fed840(0000) GS:ff110000c1c47000(0000) knlGS:0000000000000000
[   14.122638][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.122874][  T289] CR2: 000000000042ebe0 CR3: 0000000009bc4002 CR4: 0000000000771ef0
[   14.123145][  T289] PKRU: 55555554
[   14.123250][  T289] Call Trace:
[   14.123354][  T289]  <TASK>
[   14.123426][  T289]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   14.123607][  T289]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.123812][  T289]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.123918][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.124058][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.124197][  T289]  __dev_notify_flags (net/core/dev.c:9787)
[   14.124336][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.124475][  T289]  ? netif_change_name (net/core/dev.c:1495)
[   14.124621][  T289]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   14.124862][  T289]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   14.125004][  T289]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.125143][  T289]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.125282][  T289]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.125420][  T289]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   14.125565][  T289]  veth_newlink (drivers/net/veth.c:1871)
[   14.125810][  T289]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   14.125949][  T289]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.126089][  T289]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.126226][  T289]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.126380][  T289]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   14.126518][  T289]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   14.126755][  T289]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.126900][  T289]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.127040][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.127181][  T289]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.127321][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.127460][  T289]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.127602][  T289]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.127826][  T289]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.127972][  T289]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.128115][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.128253][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.128394][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.128532][  T289]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.128734][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.128881][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.129022][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.129161][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.129299][  T289]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.129435][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.129580][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.129790][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.129932][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.130074][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.130213][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.130352][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.130495][  T289]  ? 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))
[   14.130639][  T289]  ? 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))
[   14.130786][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.130932][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.131075][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.131216][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.131356][  T289]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.131497][  T289]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.131646][  T289]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.131791][  T289]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.131935][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.132109][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   14.132253][  T289]  ___sys_sendmsg (net/socket.c:2752)
[   14.132391][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.132533][  T289]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.132713][  T289]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   14.132860][  T289]  __sys_sendmsg (net/socket.c:2784)
[   14.133001][  T289]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.133145][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.133285][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.133426][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.133571][  T289]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.133716][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.133860][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.134035][  T289] RIP: 0033:0x7f12e122708e
[   14.134185][  T289] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.134693][  T289] RSP: 002b:00007ffd3f80f7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.134908][  T289] RAX: ffffffffffffffda RBX: 00007ffd3f80ff38 RCX: 00007f12e122708e
[   14.135114][  T289] RDX: 0000000000000000 RSI: 00007ffd3f80f850 RDI: 0000000000000005
[   14.135320][  T289] RBP: 00007ffd3f80f7b0 R08: 0000000000000000 R09: 0000000000000000
[   14.135529][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca52
[   14.135747][  T289] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3f80ff10
| [   14.143466][  T289] ------------[ cut here ]------------
| [   14.143627][  T289] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/289
| [   14.144395][  T289] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   14.145026][  T289] Tainted: [W]=WARN
[   14.145129][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.145358][  T289] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.145537][  T289] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.146104][  T289] RSP: 0018:ffa00000008771b0 EFLAGS: 00010286
[   14.146277][  T289] RAX: 00000000ffffffa6 RBX: ff11000009424040 RCX: 1ff400000010edfc
[   14.146481][  T289] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094240fc
[   14.146748][  T289] RBP: ff1100000f321000 R08: 1fe2200001284821 R09: ff1100000f3fd180
[   14.146953][  T289] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.147158][  T289] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa8403b20
[   14.147364][  T289] FS:  00007f12e0fed840(0000) GS:ff110000c1c47000(0000) knlGS:0000000000000000
[   14.147610][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.147842][  T289] CR2: 000000000042ebe0 CR3: 0000000009bc4002 CR4: 0000000000771ef0
[   14.148049][  T289] PKRU: 55555554
[   14.148150][  T289] Call Trace:
[   14.148251][  T289]  <TASK>
[   14.148322][  T289]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.148460][  T289]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.148570][  T289]  __dev_notify_flags (net/core/dev.c:9787)
[   14.148764][  T289]  ? netif_change_name (net/core/dev.c:1495)
[   14.148906][  T289]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.149044][  T289]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.149184][  T289]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.149321][  T289]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.149458][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.149601][  T289]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.149797][  T289]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.149944][  T289]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.150086][  T289]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.150225][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.150360][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.150495][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.150636][  T289]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.150841][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.150984][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.151121][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.151257][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.151395][  T289]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.151531][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.151748][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.151891][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.152027][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.152165][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.152302][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.152438][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.152587][  T289]  ? 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))
[   14.152779][  T289]  ? 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))
[   14.152919][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.153058][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.153194][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.153330][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.153466][  T289]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.153628][  T289]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.153827][  T289]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.153965][  T289]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.154101][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.154269][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   14.154410][  T289]  ___sys_sendmsg (net/socket.c:2752)
[   14.154544][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.154754][  T289]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.154905][  T289]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   14.155042][  T289]  __sys_sendmsg (net/socket.c:2784)
[   14.155178][  T289]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.155317][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.155459][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.155600][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.155805][  T289]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.155946][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.156083][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.156251][  T289] RIP: 0033:0x7f12e122708e
[   14.156394][  T289] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.156957][  T289] RSP: 002b:00007ffd3f80f7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.157162][  T289] RAX: ffffffffffffffda RBX: 00007ffd3f80ff38 RCX: 00007f12e122708e
[   14.157466][  T289] RDX: 0000000000000000 RSI: 00007ffd3f80f850 RDI: 0000000000000005
[   14.157733][  T289] RBP: 00007ffd3f80f7b0 R08: 0000000000000000 R09: 0000000000000000
[   14.157946][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca52
[   14.158148][  T289] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3f80ff10
| [   14.245233][  T295] ------------[ cut here ]------------
| [   14.245399][  T295] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/295
| [   14.245643][  T295] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   14.246223][  T295] Tainted: [W]=WARN
[   14.246325][  T295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.246536][  T295] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.246736][  T295] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.247251][  T295] RSP: 0018:ffa0000000647020 EFLAGS: 00010286
[   14.247419][  T295] RAX: 00000000ffffffa6 RBX: ff11000009424ac0 RCX: 1ff40000000c8dca
[   14.247624][  T295] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009424b7c
[   14.247841][  T295] RBP: ff1100000f321000 R08: 1fe2200001284971 R09: ff1100000e86d158
[   14.248054][  T295] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   14.248252][  T295] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.248549][  T295] FS:  00007f3717870840(0000) GS:ff110000c1b47000(0000) knlGS:0000000000000000
[   14.248888][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.249059][  T295] CR2: 00007f3717b401a0 CR3: 00000000061df001 CR4: 0000000000771ef0
[   14.249258][  T295] PKRU: 55555554
[   14.249358][  T295] Call Trace:
[   14.249470][  T295]  <TASK>
[   14.249539][  T295]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.249695][  T295]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.249804][  T295]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.249940][  T295]  __dev_notify_flags (net/core/dev.c:9787)
[   14.250077][  T295]  ? netif_change_name (net/core/dev.c:1495)
[   14.250212][  T295]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.250346][  T295]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.250479][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.250713][  T295]  ? 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))
[   14.250947][  T295]  netif_change_flags (net/core/dev.c:9820)
[   14.251172][  T295]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.251308][  T295]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.251444][  T295]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.251749][  T295]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.251920][  T295]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.252056][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.252188][  T295]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.252323][  T295]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.252459][  T295]  ? __kernel_text_address (kernel/extable.c:79)
[   14.252600][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.252838][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.252976][  T295]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.253111][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.253263][  T295]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.253398][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.253540][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.253766][  T295]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.253907][  T295]  ? __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)
[   14.254044][  T295]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.254178][  T295]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.254312][  T295]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.254450][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.254592][  T295]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.254815][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.254947][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.255082][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.255216][  T295]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.255348][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.255497][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.255634][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.255839][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.255973][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.256108][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.256242][  T295]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.256374][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.256505][  T295]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.256728][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.256890][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.257026][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.257160][  T295]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.257293][  T295]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.257429][  T295]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.257569][  T295]  ? 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))
[   14.257771][  T295]  ? 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))
[   14.257911][  T295]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.258047][  T295]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.258180][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.258315][  T295]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.258449][  T295]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.258590][  T295]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.258795][  T295]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.258936][  T295]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.259072][  T295]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.259241][  T295]  ? move_addr_to_kernel (net/socket.c:258)
[   14.259377][  T295]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.259510][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.259657][  T295]  ___sys_sendmsg (net/socket.c:2752)
[   14.259789][  T295]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.259961][  T295]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.260113][  T295]  __sys_sendmsg (net/socket.c:2784)
[   14.260249][  T295]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.260381][  T295]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.260549][  T295]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.260697][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.260837][  T295]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.261061][  T295]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.261281][  T295]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.261506][  T295]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.261698][  T295] RIP: 0033:0x7f3717aaa08e
[   14.261848][  T295] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.262418][  T295] RSP: 002b:00007ffebd9327c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.262623][  T295] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3717aaa08e
[   14.262919][  T295] RDX: 0000000000000000 RSI: 00007ffebd932870 RDI: 0000000000000005
[   14.263124][  T295] RBP: 00007ffebd9327d0 R08: 0000000000000000 R09: 0000000000000000
[   14.263499][  T295] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca52
[   14.263709][  T295] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebd932f30
| [   14.345976][  T300] ------------[ cut here ]------------
| [   14.346140][  T300] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/300
| [   14.346370][  T300] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   14.347141][  T300] Tainted: [W]=WARN
[   14.347241][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.347403][  T300] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.347584][  T300] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.348096][  T300] RSP: 0018:ffa0000000ab6ff8 EFLAGS: 00010286
[   14.348260][  T300] RAX: 00000000ffffffa6 RBX: ff1100000e891700 RCX: 1ff4000000156dc5
[   14.348456][  T300] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e8917bc
[   14.348664][  T300] RBP: ff1100000f324000 R08: 1fe2200001d122f9 R09: ff11000005585158
[   14.348868][  T300] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.349065][  T300] R13: 0000000000000000 R14: ffa0000000ab7140 R15: ff1100000abbdfd0
[   14.349261][  T300] FS:  00007f56defb9840(0000) GS:ff110000c1ac7000(0000) knlGS:0000000000000000
[   14.349488][  T300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.349667][  T300] CR2: 00000000289d2988 CR3: 0000000005295002 CR4: 0000000000771ef0
[   14.349870][  T300] PKRU: 55555554
[   14.349974][  T300] Call Trace:
[   14.350074][  T300]  <TASK>
[   14.350143][  T300]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   14.350278][  T300]  __dev_change_net_namespace (net/core/dev.c:12635)
[   14.350441][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.350577][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.350715][  T300]  ? default_device_exit_batch (net/core/dev.c:13091)
[   14.350881][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.351013][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.351143][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.351273][  T300]  ? 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))
[   14.351403][  T300]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.351538][  T300]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   14.351683][  T300]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   14.351818][  T300]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.351950][  T300]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.352114][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.352244][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.352374][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.352502][  T300]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.352771][  T300]  ? __kernel_text_address (kernel/extable.c:79)
[   14.352906][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.353039][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.353170][  T300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.353300][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.353430][  T300]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.353567][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.353699][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.353834][  T300]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.353966][  T300]  ? __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)
[   14.354098][  T300]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.354229][  T300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.354364][  T300]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.354493][  T300]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.354633][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.354773][  T300]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.354910][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.355039][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.355169][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.355297][  T300]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.355428][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.355576][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.355730][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.355866][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.355995][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.356125][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.356255][  T300]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.356385][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.356514][  T300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.356669][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.356817][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.356946][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.357077][  T300]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.357209][  T300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.357339][  T300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.357501][  T300]  ? 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))
[   14.357640][  T300]  ? 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))
[   14.357780][  T300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.357913][  T300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.358042][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.358173][  T300]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.358303][  T300]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.358435][  T300]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.358571][  T300]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.358709][  T300]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.358857][  T300]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.359021][  T300]  ? move_addr_to_kernel (net/socket.c:258)
[   14.359152][  T300]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.359281][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.359413][  T300]  ___sys_sendmsg (net/socket.c:2752)
[   14.359541][  T300]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.359715][  T300]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.359859][  T300]  __sys_sendmsg (net/socket.c:2784)
[   14.359990][  T300]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.360117][  T300]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.360280][  T300]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.360415][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.360546][  T300]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.360752][  T300]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.360886][  T300]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.361018][  T300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.361178][  T300] RIP: 0033:0x7f56df1f308e
[   14.361316][  T300] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.361808][  T300] RSP: 002b:00007ffc0f7960d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.362010][  T300] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f56df1f308e
[   14.362203][  T300] RDX: 0000000000000000 RSI: 00007ffc0f796180 RDI: 0000000000000005
[   14.362402][  T300] RBP: 00007ffc0f7960e0 R08: 0000000000000000 R09: 0000000000000000
[   14.362599][  T300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca52
[   14.362797][  T300] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0f796840
| [   14.372008][  T300] ------------[ cut here ]------------
| [   14.372164][  T300] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/300
| [   14.372395][  T300] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   14.373021][  T300] Tainted: [W]=WARN
[   14.373122][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.373298][  T300] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.373938][  T300] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.374420][  T300] RSP: 0018:ffa0000000ab6fc0 EFLAGS: 00010286
[   14.374595][  T300] RAX: 00000000ffffffa6 RBX: ff11000005851c40 RCX: 1ff4000000156dbe
[   14.374857][  T300] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005851cfc
[   14.375062][  T300] RBP: ff1100000f324000 R08: 1fe2200000b0a3a1 R09: ff11000005585158
[   14.375265][  T300] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.375522][  T300] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000abbdfd0
[   14.375785][  T300] FS:  00007f56defb9840(0000) GS:ff110000c1ac7000(0000) knlGS:0000000000000000
[   14.376025][  T300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.376255][  T300] CR2: 00007ffc5cf12ff8 CR3: 0000000005295002 CR4: 0000000000771ef0
[   14.376540][  T300] PKRU: 55555554
[   14.376716][  T300] Call Trace:
[   14.376817][  T300]  <TASK>
[   14.376887][  T300]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.377029][  T300]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.377168][  T300]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.377269][  T300]  __dev_change_net_namespace (net/core/dev.c:12695)
[   14.377435][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.377641][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.377844][  T300]  ? default_device_exit_batch (net/core/dev.c:13091)
[   14.378011][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.378141][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.378306][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.378451][  T300]  ? 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))
[   14.378591][  T300]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.378780][  T300]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   14.378917][  T300]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   14.379054][  T300]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.379187][  T300]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.379354][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.379487][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.379626][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.379819][  T300]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.379952][  T300]  ? __kernel_text_address (kernel/extable.c:79)
[   14.380091][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.380231][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.380364][  T300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.380497][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.380636][  T300]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.380829][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.380968][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.381115][  T300]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.381250][  T300]  ? __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)
[   14.381467][  T300]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.381603][  T300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.381792][  T300]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.381930][  T300]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.382070][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.382291][  T300]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.382426][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.387086][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.387306][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.387440][  T300]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.387585][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.387777][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.387911][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.388058][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.388195][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.388327][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.388461][  T300]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.388599][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.388788][  T300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.388926][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.389065][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.389195][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.389327][  T300]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.389458][  T300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.389597][  T300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.389785][  T300]  ? 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))
[   14.389921][  T300]  ? 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))
[   14.390075][  T300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.390210][  T300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.390342][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.390474][  T300]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.390845][  T300]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.390982][  T300]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.391116][  T300]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.391251][  T300]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.391383][  T300]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.391547][  T300]  ? move_addr_to_kernel (net/socket.c:258)
[   14.391743][  T300]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.391881][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.392022][  T300]  ___sys_sendmsg (net/socket.c:2752)
[   14.392154][  T300]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.392319][  T300]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.392463][  T300]  __sys_sendmsg (net/socket.c:2784)
[   14.392601][  T300]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.392791][  T300]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.392969][  T300]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.393103][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.393241][  T300]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.393373][  T300]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.393507][  T300]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.393647][  T300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.393943][  T300] RIP: 0033:0x7f56df1f308e
[   14.394090][  T300] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.394566][  T300] RSP: 002b:00007ffc0f7960d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.394830][  T300] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f56df1f308e
[   14.395037][  T300] RDX: 0000000000000000 RSI: 00007ffc0f796180 RDI: 0000000000000005
[   14.395233][  T300] RBP: 00007ffc0f7960e0 R08: 0000000000000000 R09: 0000000000000000
[   14.395430][  T300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca52
[   14.395632][  T300] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0f796840
| [   14.507241][  T303] ------------[ cut here ]------------
| [   14.507441][  T303] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/303
| [   14.507742][  T303] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   14.508410][  T303] Tainted: [W]=WARN
[   14.508566][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.508797][  T303] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.509033][  T303] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.509564][  T303] RSP: 0018:ffa0000000ab7020 EFLAGS: 00010286
[   14.509800][  T303] RAX: 00000000ffffffa6 RBX: ff110000148db8c0 RCX: 1ff4000000156dca
[   14.510064][  T303] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000148db97c
[   14.510314][  T303] RBP: ff1100000f324000 R08: 1fe220000291b731 R09: ff1100000f7a8b58
[   14.510568][  T303] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   14.510900][  T303] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.511209][  T303] FS:  00007f3801f0e840(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   14.511552][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.511863][  T303] CR2: 0000000007360988 CR3: 000000000bc0c002 CR4: 0000000000771ef0
[   14.512173][  T303] PKRU: 55555554
[   14.512379][  T303] Call Trace:
[   14.512597][  T303]  <TASK>
[   14.512785][  T303]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.513079][  T303]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.513293][  T303]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.513566][  T303]  __dev_notify_flags (net/core/dev.c:9787)
[   14.513806][  T303]  ? netif_change_name (net/core/dev.c:1495)
[   14.514000][  T303]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.514185][  T303]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.514368][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.514552][  T303]  ? 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))
[   14.514762][  T303]  netif_change_flags (net/core/dev.c:9820)
[   14.514972][  T303]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.515162][  T303]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.515348][  T303]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.515532][  T303]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.515771][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.515964][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.516148][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.516331][  T303]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.516519][  T303]  ? __kernel_text_address (kernel/extable.c:79)
[   14.516722][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.516921][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.517106][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.517291][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.517475][  T303]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.517679][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.517875][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.518062][  T303]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.518247][  T303]  ? __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)
[   14.518431][  T303]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.518625][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.518830][  T303]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.519020][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.519208][  T303]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.519397][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.519588][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.519790][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.519990][  T303]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.520175][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.520364][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.520547][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.520753][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.520955][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.521143][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.521327][  T303]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.521512][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.521730][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.521928][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.522117][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.522303][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.522490][  T303]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.522699][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.522896][  T303]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.523085][  T303]  ? 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))
[   14.523266][  T303]  ? 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))
[   14.523452][  T303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.523642][  T303]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.523860][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.524048][  T303]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.524234][  T303]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.524421][  T303]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.524616][  T303]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.524815][  T303]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.525004][  T303]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.525223][  T303]  ? move_addr_to_kernel (net/socket.c:258)
[   14.525415][  T303]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.525609][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.525814][  T303]  ___sys_sendmsg (net/socket.c:2752)
[   14.526004][  T303]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.526221][  T303]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.526418][  T303]  __sys_sendmsg (net/socket.c:2784)
[   14.526613][  T303]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.526808][  T303]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.527035][  T303]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.527220][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.527406][  T303]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.527599][  T303]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.527800][  T303]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.527999][  T303]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.528220][  T303] RIP: 0033:0x7f380214808e
[   14.528409][  T303] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.528962][  T303] RSP: 002b:00007ffe77254270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.529218][  T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f380214808e
[   14.529465][  T303] RDX: 0000000000000000 RSI: 00007ffe77254320 RDI: 0000000000000005
[   14.529736][  T303] RBP: 00007ffe77254280 R08: 0000000000000000 R09: 0000000000000000
[   14.529993][  T303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca52
[   14.530238][  T303] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe772549e0
| [   14.532788][  T224] ------------[ cut here ]------------
| [   14.532928][  T224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/224
| [   14.533171][  T224] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   14.533809][  T224] Tainted: [W]=WARN
[   14.533901][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.534057][  T224] Workqueue: events_unbound linkwatch_event
[   14.534213][  T224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.534369][  T224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.534824][  T224] RSP: 0018:ffa00000005b79e0 EFLAGS: 00010286
[   14.534981][  T224] RAX: 00000000ffffffa6 RBX: ff1100000f81de00 RCX: 1ff40000000b6f02
[   14.535162][  T224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f81debc
[   14.535343][  T224] RBP: ff1100000f324000 R08: 1fe2200001f03bd9 R09: ff1100000e868ba8
[   14.535524][  T224] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.535743][  T224] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.535943][  T224] FS:  0000000000000000(0000) GS:ff110000c1c47000(0000) knlGS:0000000000000000
[   14.536155][  T224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.536307][  T224] CR2: 000055f382094d5c CR3: 000000000572b001 CR4: 0000000000771ef0
[   14.536491][  T224] PKRU: 55555554
[   14.536589][  T224] Call Trace:
[   14.536687][  T224]  <TASK>
[   14.536753][  T224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.536880][  T224]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.537005][  T224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.537100][  T224]  netif_state_change (net/core/dev.c:1605)
[   14.537222][  T224]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.537375][  T224]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.537498][  T224]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.537626][  T224]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.537754][  T224]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.537876][  T224]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.538006][  T224]  process_one_work (kernel/workqueue.c:3314)
[   14.538134][  T224]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.538255][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.538388][  T224]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.538512][  T224]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.538639][  T224]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   14.538768][  T224]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.538897][  T224]  kthread (kernel/kthread.c:436)
[   14.538991][  T224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.539143][  T224]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.539266][  T224]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.539391][  T224]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.539543][  T224]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.539679][  T224]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.539802][  T224]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.541621][  T224] ------------[ cut here ]------------
| [   14.541749][  T224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/224
| [   14.541994][  T224] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   14.542544][  T224] Tainted: [W]=WARN
[   14.542643][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.542808][  T224] Workqueue: events_unbound linkwatch_event
[   14.542965][  T224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.543127][  T224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.543574][  T224] RSP: 0018:ffa00000005b79e0 EFLAGS: 00010286
[   14.543733][  T224] RAX: 00000000ffffffa6 RBX: ff1100000f81d000 RCX: 1ff40000000b6f02
[   14.543919][  T224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f81d0bc
[   14.544103][  T224] RBP: ff1100000f321000 R08: 1fe2200001f03a19 R09: ff1100000e868ba8
[   14.544284][  T224] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.544467][  T224] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.544674][  T224] FS:  0000000000000000(0000) GS:ff110000c1c47000(0000) knlGS:0000000000000000
[   14.544894][  T224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.545053][  T224] CR2: 000055f382094d5c CR3: 000000000572b001 CR4: 0000000000771ef0
[   14.545239][  T224] PKRU: 55555554
[   14.545330][  T224] Call Trace:
[   14.545422][  T224]  <TASK>
[   14.545487][  T224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.545618][  T224]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.545751][  T224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.545848][  T224]  netif_state_change (net/core/dev.c:1605)
[   14.545973][  T224]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.546129][  T224]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.546250][  T224]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.546378][  T224]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.546505][  T224]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.546634][  T224]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.546764][  T224]  process_one_work (kernel/workqueue.c:3314)
[   14.546895][  T224]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.547019][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.547151][  T224]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.547275][  T224]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.547398][  T224]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   14.547522][  T224]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.547659][  T224]  kthread (kernel/kthread.c:436)
[   14.547753][  T224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.547906][  T224]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.548030][  T224]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.548154][  T224]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.548308][  T224]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.548432][  T224]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.548563][  T224]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.163292][  T307] ------------[ cut here ]------------
| [   15.163539][  T307] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/307
| [   15.164107][  T307] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   15.164868][  T307] Tainted: [W]=WARN
[   15.165044][  T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.165284][  T307] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.165539][  T307] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.166168][  T307] RSP: 0018:ffa0000000b07390 EFLAGS: 00010286
[   15.166415][  T307] RAX: 00000000ffffffa6 RBX: ff1100000aa00040 RCX: 1ff4000000160e38
[   15.166713][  T307] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa000fc
[   15.167008][  T307] RBP: ff1100000f321000 R08: 1fe2200001540021 R09: ff1100000e86aea8
[   15.167293][  T307] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   15.167607][  T307] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   15.167919][  T307] FS:  00007f9363885400(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   15.168240][  T307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.168484][  T307] CR2: 00007f936065f020 CR3: 0000000004dd3001 CR4: 0000000000771ef0
[   15.168784][  T307] PKRU: 55555554
[   15.169094][  T307] Call Trace:
[   15.169269][  T307]  <TASK>
[   15.169403][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.169621][  T307]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   15.169848][  T307]  notifier_call_chain (kernel/notifier.c:85)
[   15.170059][  T307]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   15.170296][  T307]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   15.170514][  T307]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   15.170782][  T307]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   15.171039][  T307]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.171253][  T307]  ? ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[   15.171500][  T307]  ? new_vport (net/openvswitch/datapath.c:203) openvswitch
[   15.171731][  T307]  ? ovs_vport_cmd_new (net/openvswitch/datapath.c:2373) openvswitch
[   15.171988][  T307]  ? genl_rcv_msg (net/netlink/genetlink.c:1209)
[   15.172200][  T307]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   15.172412][  T307]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   15.172628][  T307]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   15.172901][  T307] ovs_netdev_link (net/openvswitch/vport-netdev.c:94 (discriminator 1)) openvswitch
[   15.173165][  T307] ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[   15.173497][  T307] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   15.173727][  T307]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   15.173991][  T307] ovs_vport_cmd_new (net/openvswitch/datapath.c:2373) openvswitch
[   15.174240][  T307]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   15.174532][  T307]  ? __nla_validate_parse (lib/nlattr.c:635)
[   15.174766][  T307]  ? __nla_parse (lib/nlattr.c:732)
[   15.174989][  T307]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   15.175236][  T307]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   15.175447][  T307]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   15.175734][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.175954][  T307]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   15.176158][  T307]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.176365][  T307]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   15.176576][  T307]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   15.176859][  T307]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.177104][  T307]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   15.177390][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.177604][  T307]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   15.177827][  T307]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.178035][  T307]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   15.178241][  T307]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.178455][  T307]  ? 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))
[   15.178693][  T307]  ? 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))
[   15.178913][  T307]  genl_rcv (net/netlink/genetlink.c:1218)
[   15.179085][  T307]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.179291][  T307]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.179502][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.179734][  T307]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.179949][  T307]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.180153][  T307]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.180357][  T307]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.180571][  T307]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   15.180802][  T307]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   15.181505][  T307]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   15.181733][  T307]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   15.181949][  T307]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.182197][  T307]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.182398][  T307]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   15.182609][  T307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.182826][  T307]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.183033][  T307]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.183261][  T307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.183510][  T307] RIP: 0033:0x7f9363a18e32
[   15.183743][  T307] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   15.184349][  T307] RSP: 002b:00007ffc704f35a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   15.184652][  T307] RAX: ffffffffffffffda RBX: 00007ffc704f36d8 RCX: 00007f9363a18e32
[   15.184956][  T307] RDX: 0000000000000030 RSI: 00007f936065b270 RDI: 0000000000000023
[   15.185236][  T307] RBP: 00007ffc704f35d0 R08: 00007ffc704f3750 R09: 000000000000000c
[   15.185517][  T307] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f93617897f0
[   15.185819][  T307] R13: 00007ffc704f36d8 R14: 00007f9363337005 R15: 0000000000000002
| [   15.188328][  T307] ------------[ cut here ]------------
| [   15.188535][  T307] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/307
| [   15.188934][  T307] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [   15.189968][  T307] Tainted: [W]=WARN
[   15.190138][  T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.190385][  T307] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.190667][  T307] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.191280][  T307] RSP: 0018:ffa0000000b073c0 EFLAGS: 00010286
[   15.191525][  T307] RAX: 00000000ffffffa6 RBX: ff1100000aa00200 RCX: 1ff4000000160e3e
[   15.191825][  T307] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa002bc
[   15.192113][  T307] RBP: ff1100000f321000 R08: 1fe2200001540059 R09: ff1100000e86aea8
[   15.192394][  T307] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[   15.192696][  T307] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aa91520
[   15.193014][  T307] FS:  00007f9363885400(0000) GS:ff110000c1bc7000(0000) knlGS:0000000000000000
[   15.193333][  T307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.193588][  T307] CR2: 00007f936065f020 CR3: 0000000004dd3001 CR4: 0000000000771ef0
[   15.193890][  T307] PKRU: 55555554
[   15.194057][  T307] Call Trace:
[   15.194222][  T307]  <TASK>
[   15.194352][  T307]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   15.194555][  T307]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.194784][  T307]  ? __netdev_update_features (net/core/dev.c:11012 (discriminator 2))
[   15.195006][  T307]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.195180][  T307]  __dev_notify_flags (net/core/dev.c:9787)
[   15.195386][  T307]  ? netdev_notice (net/core/dev.c:13008)
[   15.195602][  T307]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   15.195894][  T307]  ? netif_change_name (net/core/dev.c:1495)
[   15.196109][  T307]  __dev_set_promiscuity (net/core/dev.c:9630)
[   15.196316][  T307]  netif_set_promiscuity (net/core/dev.c:9639)
[   15.196527][  T307]  dev_set_promiscuity (net/core/dev_api.c:288)
[   15.196758][  T307]  ? dev_disable_lro (net/core/dev_api.c:267)
[   15.196978][  T307] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   15.197233][  T307] ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[   15.197482][  T307] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   15.197711][  T307]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   15.197978][  T307] ovs_vport_cmd_new (net/openvswitch/datapath.c:2373) openvswitch
[   15.198233][  T307]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   15.198511][  T307]  ? __nla_validate_parse (lib/nlattr.c:635)
[   15.198743][  T307]  ? __nla_parse (lib/nlattr.c:732)
[   15.198958][  T307]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   15.199207][  T307]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   15.199414][  T307]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   15.199700][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.199920][  T307]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   15.200128][  T307]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.200342][  T307]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   15.200549][  T307]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   15.200826][  T307]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.201075][  T307]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   15.201364][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.201582][  T307]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   15.201806][  T307]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.202021][  T307]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   15.202233][  T307]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.202446][  T307]  ? 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))
[   15.202674][  T307]  ? 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))
[   15.202901][  T307]  genl_rcv (net/netlink/genetlink.c:1218)
[   15.203070][  T307]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.203277][  T307]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.203484][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.203726][  T307]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.203946][  T307]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.204153][  T307]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.204361][  T307]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.204582][  T307]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   15.204807][  T307]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   15.205030][  T307]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   15.205238][  T307]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   15.205443][  T307]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.205711][  T307]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.205930][  T307]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   15.206144][  T307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.206355][  T307]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.206570][  T307]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.206789][  T307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.207043][  T307] RIP: 0033:0x7f9363a18e32
[   15.207257][  T307] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   15.207893][  T307] RSP: 002b:00007ffc704f35a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   15.208179][  T307] RAX: ffffffffffffffda RBX: 00007ffc704f36d8 RCX: 00007f9363a18e32
[   15.208460][  T307] RDX: 0000000000000030 RSI: 00007f936065b270 RDI: 0000000000000023
[   15.208760][  T307] RBP: 00007ffc704f35d0 R08: 00007ffc704f3750 R09: 000000000000000c
[   15.209053][  T307] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f93617897f0


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:__dev_set_promiscuity:netif_set_promiscuity
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:internal_dev_create:ovs_vport_add
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_link:netdev_master_upper_dev_link
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net