======================================
| [   10.538865][  T181] softirqs last disabled at (84533): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.538867][  T181] Preemption disabled at:
| [   10.538867][  T181] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.538876][  T181] Tainted: [W]=WARN
[   10.538877][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.538878][  T181] Call Trace:
[   10.538880][  T181]  <TASK>
[   10.538881][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.538887][  T181]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.538888][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.538893][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.538897][  T181]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.538901][  T181]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.538903][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.538909][  T181]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.538912][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.538916][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[   10.538918][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.538920][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.538923][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.538926][  T181]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.538930][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.538934][  T181]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.538936][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.538938][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.538942][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.538943][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.538948][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.538952][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.538956][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.538957][  T181]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.538960][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.538962][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.538966][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.538970][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.538972][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.538977][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.538980][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.538982][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.538983][  T181]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.538987][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.538989][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.538992][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.538995][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.539000][  T181]  ? nf_defrag_fini+0x980/0x980 nf_defrag_ipv4
[   10.539003][  T181]  _printk (kernel/printk/printk.c:2504)
[   10.539007][  T181]  ? snapshot_read.cold (user.c:?)
[   10.539013][  T181]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.539016][  T181] dp_init (net/openvswitch/actions.c:729) openvswitch
[   10.539024][  T181]  ? nf_defrag_fini+0x980/0x980 nf_defrag_ipv4
[   10.539025][  T181]  do_one_initcall (init/main.c:1357)
[   10.539028][  T181]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.539033][  T181]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.539035][  T181]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.539041][  T181]  do_init_module (kernel/module/main.c:3117)
[   10.539044][  T181]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.539048][  T181]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.539050][  T181]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.539054][  T181]  load_module (kernel/module/main.c:3593)
[   10.539059][  T181]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   10.539064][  T181]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.539067][  T181]  ? __ia32_sys_fsconfig (??:?)
[   10.539071][  T181]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.539074][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.539077][  T181]  init_module_from_file (kernel/module/main.c:3790)
[   10.539080][  T181]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.539087][  T181]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.539091][  T181]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.539094][  T181]  idempotent_init_module (kernel/module/main.c:3802)
[   10.539097][  T181]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.539102][  T181]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.539104][  T181]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   10.539110][  T181]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.539112][  T181]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.539116][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.539119][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.539121][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.539123][  T181] RIP: 0033:0x7f85bff2837d
[   10.539127][  T181] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  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 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  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 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.539128][  T181] RSP: 002b:00007fffff2d1668 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.539131][  T181] RAX: ffffffffffffffda RBX: 000055de5f333810 RCX: 00007f85bff2837d
[   10.539132][  T181] RDX: 0000000000000000 RSI: 000055de55217ffd RDI: 0000000000000005
[   10.539133][  T181] RBP: 00007fffff2d1700 R08: 0000000000000000 R09: 646f6d2f62696c2f
[   10.539134][  T181] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de55217ffd
[   10.539135][  T181] R13: 000055de5f333a90 R14: 0000000000040000 R15: 0000000000000000
| [   12.081148][  T212] softirqs last disabled at (368262): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.081151][  T212] Preemption disabled at:
| [   12.081151][  T212] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.081160][  T212] Tainted: [W]=WARN
[   12.081161][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.081163][  T212] Call Trace:
[   12.081164][  T212]  <TASK>
[   12.081166][  T212]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.081172][  T212]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.081173][  T212]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.081178][  T212]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.081182][  T212]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.081186][  T212]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.081188][  T212]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.081194][  T212]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.081197][  T212]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.081201][  T212]  put_chars (drivers/char/virtio_console.c:1176)
[   12.081203][  T212]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.081204][  T212]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   12.081209][  T212]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.081213][  T212]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.081216][  T212]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.081218][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.081220][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.081224][  T212]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.081226][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.081230][  T212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.081234][  T212]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.081238][  T212]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.081240][  T212]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.081243][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.081245][  T212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.081249][  T212]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.081253][  T212]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.081255][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.081261][  T212]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.081263][  T212]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.081265][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.081267][  T212]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.081271][  T212]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.081272][  T212]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.081275][  T212]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.081278][  T212]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.081280][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.081282][  T212]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   12.081286][  T212]  _printk (kernel/printk/printk.c:2504)
[   12.081290][  T212]  ? snapshot_read.cold (user.c:?)
[   12.081291][  T212]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   12.081297][  T212]  ? idr_get_free (??:?)
[   12.081302][  T212]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   12.081313][  T212]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.081324][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.081326][  T212]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   12.081330][  T212]  __nla_validate_parse (lib/nlattr.c:635)
[   12.081334][  T212]  __nla_parse (lib/nlattr.c:732)
[   12.081337][  T212]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   12.081341][  T212]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   12.081345][  T212]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   12.081352][  T212]  ? security_capable (security/security.c:660 (discriminator 11))
[   12.081357][  T212]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   12.081360][  T212]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   12.081362][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.081366][  T212]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   12.081374][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.081379][  T212]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   12.081383][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.081384][  T212]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   12.081388][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.081395][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.081396][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.081400][  T212]  genl_rcv (net/netlink/genetlink.c:1218)
[   12.081402][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.081406][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.081410][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.081413][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.081417][  T212]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.081419][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.081422][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.081426][  T212]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.081429][  T212]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   12.081432][  T212]  __sys_sendto (net/socket.c:2281)
[   12.081436][  T212]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.081446][  T212]  ? fput_close_sync (fs/file_table.c:617)
[   12.081449][  T212]  ? alloc_file_clone (fs/file_table.c:479)
[   12.081453][  T212]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.081455][  T212]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.081459][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.081462][  T212]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.081464][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.081466][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.081469][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.081471][  T212] RIP: 0033:0x7fa6141cb312
[   12.081474][  T212] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   12.081476][  T212] RSP: 002b:00007ffd2f886048 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.081478][  T212] RAX: ffffffffffffffda RBX: 00007ffd2f886178 RCX: 00007fa6141cb312
[   12.081480][  T212] RDX: 0000000000000044 RSI: 00007fa6105a2ec0 RDI: 0000000000000020
[   12.081481][  T212] RBP: 00007ffd2f886070 R08: 00007ffd2f8861f0 R09: 000000000000000c
[   12.081481][  T212] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa61202e120
[   12.081482][  T212] R13: 00007ffd2f886178 R14: 00007fa613aea01a R15: 00007ffd2f886568
| [   13.401987][  T259] softirqs last disabled at (385706): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.401989][  T259] Preemption disabled at:
| [   13.401990][  T259] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.401998][  T259] Tainted: [W]=WARN
[   13.401999][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.402001][  T259] Call Trace:
[   13.402002][  T259]  <TASK>
[   13.402004][  T259]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.402010][  T259]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.402012][  T259]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.402016][  T259]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.402021][  T259]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.402025][  T259]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.402027][  T259]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.402033][  T259]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.402036][  T259]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.402040][  T259]  put_chars (drivers/char/virtio_console.c:1176)
[   13.402042][  T259]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.402045][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.402048][  T259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.402053][  T259]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.402057][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.402058][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.402063][  T259]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.402067][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.402069][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.402073][  T259]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.402077][  T259]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.402079][  T259]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.402082][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.402084][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.402087][  T259]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.402092][  T259]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.402093][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.402099][  T259]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.402101][  T259]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.402103][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.402105][  T259]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.402109][  T259]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.402110][  T259]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.402113][  T259]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.402116][  T259]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.402121][  T259]  _printk (kernel/printk/printk.c:2504)
[   13.402125][  T259]  ? snapshot_read.cold (user.c:?)
[   13.402128][  T259]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.402131][  T259]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   13.402135][  T259]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   13.402136][  T259]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.402140][  T259]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.402144][  T259]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.402147][  T259]  ? netdev_notice (net/core/dev.c:13194)
[   13.402148][  T259]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   13.402157][  T259]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.402160][  T259]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   13.402163][  T259]  netif_set_promiscuity (net/core/dev.c:9699)
[   13.402167][  T259]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.402169][  T259]  ? dev_disable_lro (net/core/dev_api.c:267)
[   13.402171][  T259] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   13.402176][  T259] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   13.402181][  T259] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   13.402185][  T259]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   13.402190][  T259] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   13.402195][  T259]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.402199][  T259]  ? __nla_validate_parse (lib/nlattr.c:635)
[   13.402205][  T259]  ? __nla_parse (lib/nlattr.c:732)
[   13.402207][  T259]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   13.402212][  T259]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   13.402215][  T259]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   13.402223][  T259]  ? security_capable (security/security.c:660 (discriminator 11))
[   13.402228][  T259]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   13.402231][  T259]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   13.402234][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.402236][  T259]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.402240][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.402245][  T259]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   13.402249][  T259]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.402251][  T259]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   13.402254][  T259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.402261][  T259]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.402263][  T259]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.402267][  T259]  genl_rcv (net/netlink/genetlink.c:1218)
[   13.402269][  T259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.402273][  T259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.402275][  T259]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   13.402280][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.402284][  T259]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.402287][  T259]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.402289][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.402292][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.402297][  T259]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.402300][  T259]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   13.402303][  T259]  __sys_sendto (net/socket.c:2281)
[   13.402307][  T259]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   13.402326][  T259]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   13.402331][  T259]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   13.402333][  T259]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.402337][  T259]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.402338][  T259]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.402341][  T259]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.402343][  T259]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.402345][  T259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.402348][  T259] RIP: 0033:0x7f37e505e312
[   13.402351][  T259] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   13.402353][  T259] RSP: 002b:00007ffd7d308a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.402356][  T259] RAX: ffffffffffffffda RBX: 00007ffd7d308b98 RCX: 00007f37e505e312
[   13.402357][  T259] RDX: 0000000000000030 RSI: 00007f37e0c7c970 RDI: 0000000000000023
[   13.402358][  T259] RBP: 00007ffd7d308a90 R08: 00007ffd7d308c10 R09: 000000000000000c
[   13.402359][  T259] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f37e2ebe200
[   13.402360][  T259] R13: 00007ffd7d308b98 R14: 00007f37e497d01a R15: 00007ffd7d308f88
| [   14.659694][  T297] softirqs last disabled at (384544): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.659695][  T297] Preemption disabled at:
| [   14.659696][  T297] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.659705][  T297] Tainted: [W]=WARN
[   14.659705][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.659707][  T297] Call Trace:
[   14.659709][  T297]  <TASK>
[   14.659710][  T297]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.659716][  T297]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.659718][  T297]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.659722][  T297]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.659726][  T297]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.659731][  T297]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.659732][  T297]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.659739][  T297]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.659742][  T297]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.659745][  T297]  put_chars (drivers/char/virtio_console.c:1176)
[   14.659748][  T297]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.659751][  T297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.659754][  T297]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.659759][  T297]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.659764][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.659765][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.659770][  T297]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.659773][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.659776][  T297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.659780][  T297]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.659784][  T297]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.659785][  T297]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.659789][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.659790][  T297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.659794][  T297]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.659798][  T297]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.659800][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.659806][  T297]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.659808][  T297]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.659810][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.659812][  T297]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.659815][  T297]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.659817][  T297]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.659820][  T297]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.659823][  T297]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.659828][  T297]  _printk (kernel/printk/printk.c:2504)
[   14.659832][  T297]  ? snapshot_read.cold (user.c:?)
[   14.659835][  T297]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   14.659838][  T297]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   14.659841][  T297]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   14.659843][  T297]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.659847][  T297]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.659850][  T297]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.659853][  T297]  ? netdev_notice (net/core/dev.c:13194)
[   14.659855][  T297]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   14.659864][  T297]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.659867][  T297]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   14.659870][  T297]  netif_set_promiscuity (net/core/dev.c:9699)
[   14.659874][  T297]  dev_set_promiscuity (net/core/dev_api.c:288)
[   14.659876][  T297]  ? dev_disable_lro (net/core/dev_api.c:267)
[   14.659878][  T297] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   14.659883][  T297] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   14.659888][  T297] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   14.659892][  T297]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   14.659897][  T297] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   14.659903][  T297]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   14.659906][  T297]  ? __nla_validate_parse (lib/nlattr.c:635)
[   14.659912][  T297]  ? __nla_parse (lib/nlattr.c:732)
[   14.659915][  T297]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   14.659919][  T297]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   14.659923][  T297]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   14.659931][  T297]  ? security_capable (security/security.c:660 (discriminator 11))
[   14.659935][  T297]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   14.659939][  T297]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   14.659941][  T297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.659943][  T297]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   14.659947][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.659953][  T297]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   14.659956][  T297]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.659958][  T297]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   14.659962][  T297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.659968][  T297]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.659971][  T297]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.659974][  T297]  genl_rcv (net/netlink/genetlink.c:1218)
[   14.659977][  T297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.659981][  T297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.659984][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.659988][  T297]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.659991][  T297]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.659993][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.659996][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.660001][  T297]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.660004][  T297]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   14.660008][  T297]  __sys_sendto (net/socket.c:2281)
[   14.660011][  T297]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.660021][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   14.660027][  T297]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.660030][  T297]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.660033][  T297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.660035][  T297]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.660037][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.660039][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.660042][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.660044][  T297] RIP: 0033:0x7f07425da312
[   14.660047][  T297] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   14.660049][  T297] RSP: 002b:00007ffdb3bd8a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   14.660051][  T297] RAX: ffffffffffffffda RBX: 00007ffdb3bd8b98 RCX: 00007f07425da312
[   14.660053][  T297] RDX: 0000000000000030 RSI: 00007f073e21c9b0 RDI: 0000000000000023
[   14.660054][  T297] RBP: 00007ffdb3bd8a90 R08: 00007ffdb3bd8c10 R09: 000000000000000c
[   14.660054][  T297] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f074043a2e0
[   14.660055][  T297] R13: 00007ffdb3bd8b98 R14: 00007f0741ef901a R15: 00007ffdb3bd8f88
| [   17.733545][  T360] softirqs last disabled at (20579): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.733547][  T360] Preemption disabled at:
| [   17.733547][  T360] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.733556][  T360] Tainted: [W]=WARN
[   17.733557][  T360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.733558][  T360] Call Trace:
[   17.733560][  T360]  <TASK>
[   17.733561][  T360]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.733567][  T360]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.733569][  T360]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.733573][  T360]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.733577][  T360]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.733581][  T360]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.733583][  T360]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.733590][  T360]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.733593][  T360]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.733596][  T360]  put_chars (drivers/char/virtio_console.c:1176)
[   17.733599][  T360]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.733603][  T360]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   17.733606][  T360]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.733610][  T360]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.733612][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.733614][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.733618][  T360]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.733620][  T360]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.733624][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.733626][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.733630][  T360]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.733634][  T360]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.733636][  T360]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.733639][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.733641][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.733645][  T360]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.733649][  T360]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.733651][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.733656][  T360]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.733659][  T360]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.733661][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.733663][  T360]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   17.733666][  T360]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.733668][  T360]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.733671][  T360]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.733674][  T360]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.733676][  T360]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   17.733680][  T360]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   17.733685][  T360]  _printk (kernel/printk/printk.c:2504)
[   17.733689][  T360]  ? snapshot_read.cold (user.c:?)
[   17.733693][  T360]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.733697][  T360]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.733701][  T360]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.733704][  T360]  ? netdev_notice (net/core/dev.c:13194)
[   17.733705][  T360]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   17.733709][  T360]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   17.733715][  T360]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.733717][  T360]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   17.733721][  T360]  netif_set_promiscuity (net/core/dev.c:9699)
[   17.733725][  T360]  dev_set_promiscuity (net/core/dev_api.c:288)
[   17.733727][  T360]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.733730][  T360] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   17.733738][  T360] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   17.733743][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.733745][  T360]  notifier_call_chain (kernel/notifier.c:85)
[   17.733751][  T360]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   17.733755][  T360]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   17.733762][  T360]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   17.733764][  T360]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.733766][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.733768][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.733770][  T360]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   17.733791][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.733793][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.733796][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.733798][  T360]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.733800][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.733804][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.733806][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.733808][  T360]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   17.733810][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.733814][  T360]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   17.733816][  T360]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.733819][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.733820][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.733825][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.733827][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.733830][  T360]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.733833][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.733836][  T360]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.733842][  T360]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.733844][  T360]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.733849][  T360]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.733853][  T360]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.733855][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.733859][  T360]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.733863][  T360]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.733867][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.733869][  T360]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   17.733874][  T360]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.733878][  T360]  ____sys_sendmsg (net/socket.c:2713)
[   17.733880][  T360]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.733883][  T360]  ? sock_write_iter (net/socket.c:1269)
[   17.733884][  T360]  ? move_addr_to_kernel (net/socket.c:258)
[   17.733891][  T360]  ___sys_sendmsg (net/socket.c:2767)
[   17.733894][  T360]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.733910][  T360]  __sys_sendmsg (net/socket.c:2799)
[   17.733913][  T360]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.733919][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.733922][  T360]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.733925][  T360]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.733928][  T360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.733930][  T360] RIP: 0033:0x7f2f82a0c54e
[   17.733934][  T360] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.733935][  T360] RSP: 002b:00007ffcda1dda00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.733938][  T360] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2f82a0c54e
[   17.733939][  T360] RDX: 0000000000000000 RSI: 00007ffcda1ddab0 RDI: 0000000000000005
[   17.733940][  T360] RBP: 00007ffcda1dda10 R08: 0000000000000000 R09: 0000000000000000
[   17.733941][  T360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bd52
[   17.733942][  T360] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcda1de170
| [   20.731983][  T418] softirqs last disabled at (369646): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.731986][  T418] Preemption disabled at:
| [   20.731986][  T418] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.731995][  T418] Tainted: [W]=WARN
[   20.731996][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.731997][  T418] Call Trace:
[   20.731999][  T418]  <TASK>
[   20.732001][  T418]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.732007][  T418]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.732008][  T418]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.732013][  T418]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.732017][  T418]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.732021][  T418]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.732023][  T418]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.732030][  T418]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.732032][  T418]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.732036][  T418]  put_chars (drivers/char/virtio_console.c:1176)
[   20.732038][  T418]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.732041][  T418]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.732044][  T418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.732047][  T418]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.732051][  T418]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.732055][  T418]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.732057][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.732059][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.732063][  T418]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.732065][  T418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.732069][  T418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.732073][  T418]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.732077][  T418]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.732079][  T418]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.732082][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.732084][  T418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.732088][  T418]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.732092][  T418]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.732094][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.732099][  T418]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.732102][  T418]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.732104][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.732105][  T418]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   20.732109][  T418]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.732111][  T418]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.732113][  T418]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.732116][  T418]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.732119][  T418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.732120][  T418]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   20.732125][  T418]  _printk (kernel/printk/printk.c:2504)
[   20.732128][  T418]  ? snapshot_read.cold (user.c:?)
[   20.732130][  T418]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   20.732136][  T418]  ? idr_get_free (??:?)
[   20.732140][  T418]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   20.732149][  T418]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.732155][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.732156][  T418]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   20.732161][  T418]  __nla_validate_parse (lib/nlattr.c:635)
[   20.732165][  T418]  __nla_parse (lib/nlattr.c:732)
[   20.732168][  T418]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   20.732173][  T418]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   20.732176][  T418]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   20.732184][  T418]  ? security_capable (security/security.c:660 (discriminator 11))
[   20.732188][  T418]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   20.732191][  T418]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   20.732194][  T418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.732196][  T418]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   20.732204][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.732210][  T418]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   20.732213][  T418]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.732215][  T418]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   20.732218][  T418]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.732225][  T418]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.732227][  T418]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.732231][  T418]  genl_rcv (net/netlink/genetlink.c:1218)
[   20.732233][  T418]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.732237][  T418]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.732240][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.732244][  T418]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.732248][  T418]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.732249][  T418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.732252][  T418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.732257][  T418]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.732260][  T418]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   20.732264][  T418]  __sys_sendto (net/socket.c:2281)
[   20.732266][  T418]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   20.732277][  T418]  ? fput_close_sync (fs/file_table.c:617)
[   20.732280][  T418]  ? alloc_file_clone (fs/file_table.c:479)
[   20.732284][  T418]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   20.732286][  T418]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.732290][  T418]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.732292][  T418]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   20.732294][  T418]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.732296][  T418]  ? irq_exit_rcu (kernel/softirq.c:786)
[   20.732300][  T418]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.732303][  T418] RIP: 0033:0x7f979ad8b312
[   20.732306][  T418] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   20.732308][  T418] RSP: 002b:00007ffe93696018 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.732314][  T418] RAX: ffffffffffffffda RBX: 00007ffe93696148 RCX: 00007f979ad8b312
[   20.732315][  T418] RDX: 0000000000000040 RSI: 00007f9798167050 RDI: 0000000000000020
[   20.732316][  T418] RBP: 00007ffe93696040 R08: 00007ffe936961c0 R09: 000000000000000c
[   20.732317][  T418] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9798bee0b0
[   20.732318][  T418] R13: 00007ffe93696148 R14: 00007f979a6aa01a R15: 00007ffe93696538
| [   22.016905][  T467] softirqs last disabled at (381960): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   22.016907][  T467] Preemption disabled at:
| [   22.016907][  T467] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.016916][  T467] Tainted: [W]=WARN
[   22.016917][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.016919][  T467] Call Trace:
[   22.016920][  T467]  <TASK>
[   22.016922][  T467]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.016929][  T467]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.016930][  T467]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.016935][  T467]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.016939][  T467]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.016943][  T467]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.016945][  T467]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.016951][  T467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.016954][  T467]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.016958][  T467]  put_chars (drivers/char/virtio_console.c:1176)
[   22.016960][  T467]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.016963][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.016967][  T467]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.016971][  T467]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.016975][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.016977][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.016981][  T467]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.016985][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.016987][  T467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.016991][  T467]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.016996][  T467]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.016997][  T467]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.017001][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.017002][  T467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.017006][  T467]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.017011][  T467]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.017013][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.017018][  T467]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.017021][  T467]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.017023][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.017024][  T467]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.017028][  T467]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.017030][  T467]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.017033][  T467]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.017036][  T467]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.017041][  T467]  _printk (kernel/printk/printk.c:2504)
[   22.017045][  T467]  ? snapshot_read.cold (user.c:?)
[   22.017048][  T467]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   22.017051][  T467]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   22.017055][  T467]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   22.017057][  T467]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.017061][  T467]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.017064][  T467]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.017067][  T467]  ? netdev_notice (net/core/dev.c:13194)
[   22.017069][  T467]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   22.017078][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.017081][  T467]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   22.017084][  T467]  netif_set_promiscuity (net/core/dev.c:9699)
[   22.017088][  T467]  dev_set_promiscuity (net/core/dev_api.c:288)
[   22.017090][  T467]  ? dev_disable_lro (net/core/dev_api.c:267)
[   22.017092][  T467] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   22.017098][  T467] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   22.017102][  T467] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   22.017107][  T467]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   22.017111][  T467] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   22.017117][  T467]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   22.017120][  T467]  ? __nla_validate_parse (lib/nlattr.c:635)
[   22.017126][  T467]  ? __nla_parse (lib/nlattr.c:732)
[   22.017129][  T467]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   22.017133][  T467]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   22.017137][  T467]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   22.017145][  T467]  ? security_capable (security/security.c:660 (discriminator 11))
[   22.017149][  T467]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   22.017153][  T467]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   22.017156][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.017158][  T467]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   22.017162][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.017167][  T467]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   22.017170][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.017173][  T467]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   22.017176][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.017183][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.017185][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.017189][  T467]  genl_rcv (net/netlink/genetlink.c:1218)
[   22.017192][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.017196][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.017199][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.017203][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.017207][  T467]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.017208][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.017211][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.017216][  T467]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.017219][  T467]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   22.017223][  T467]  __sys_sendto (net/socket.c:2281)
[   22.017226][  T467]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   22.017237][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   22.017243][  T467]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   22.017245][  T467]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.017249][  T467]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.017251][  T467]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   22.017253][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.017255][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.017258][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.017260][  T467] RIP: 0033:0x7f60d6111312
[   22.017263][  T467] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   22.017265][  T467] RSP: 002b:00007ffc0fc5ee98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   22.017268][  T467] RAX: ffffffffffffffda RBX: 00007ffc0fc5efc8 RCX: 00007f60d6111312
[   22.017269][  T467] RDX: 0000000000000030 RSI: 00007f60d0381870 RDI: 0000000000000023
[   22.017270][  T467] RBP: 00007ffc0fc5eec0 R08: 00007ffc0fc5f040 R09: 000000000000000c
[   22.017271][  T467] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60d3f6a190
[   22.017272][  T467] R13: 00007ffc0fc5efc8 R14: 00007f60d5a3001a R15: 00007ffc0fc5f3b8
| [   23.236881][  T505] softirqs last disabled at (388708): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   23.236883][  T505] Preemption disabled at:
| [   23.236884][  T505] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.236892][  T505] Tainted: [W]=WARN
[   23.236893][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.236895][  T505] Call Trace:
[   23.236896][  T505]  <TASK>
[   23.236898][  T505]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.236904][  T505]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.236906][  T505]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.236910][  T505]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.236914][  T505]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.236918][  T505]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.236920][  T505]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.236927][  T505]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.236930][  T505]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.236933][  T505]  put_chars (drivers/char/virtio_console.c:1176)
[   23.236936][  T505]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.236939][  T505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.236942][  T505]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.236947][  T505]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.236951][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.236952][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.236957][  T505]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.236961][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.236963][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.236967][  T505]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.236971][  T505]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.236973][  T505]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.236977][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.236978][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.236982][  T505]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.236987][  T505]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.236989][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.236994][  T505]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.236997][  T505]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.236999][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.237000][  T505]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.237004][  T505]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.237006][  T505]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.237009][  T505]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.237012][  T505]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.237017][  T505]  _printk (kernel/printk/printk.c:2504)
[   23.237021][  T505]  ? snapshot_read.cold (user.c:?)
[   23.237023][  T505]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   23.237026][  T505]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   23.237030][  T505]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   23.237032][  T505]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.237036][  T505]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.237040][  T505]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.237043][  T505]  ? netdev_notice (net/core/dev.c:13194)
[   23.237044][  T505]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   23.237053][  T505]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.237056][  T505]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   23.237059][  T505]  netif_set_promiscuity (net/core/dev.c:9699)
[   23.237063][  T505]  dev_set_promiscuity (net/core/dev_api.c:288)
[   23.237065][  T505]  ? dev_disable_lro (net/core/dev_api.c:267)
[   23.237067][  T505] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   23.237072][  T505] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   23.237077][  T505] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   23.237082][  T505]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   23.237086][  T505] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   23.237092][  T505]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   23.237095][  T505]  ? __nla_validate_parse (lib/nlattr.c:635)
[   23.237102][  T505]  ? __nla_parse (lib/nlattr.c:732)
[   23.237130][  T505]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   23.237135][  T505]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   23.237139][  T505]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   23.237147][  T505]  ? security_capable (security/security.c:660 (discriminator 11))
[   23.237151][  T505]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   23.237155][  T505]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   23.237157][  T505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.237159][  T505]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   23.237163][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.237169][  T505]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   23.237172][  T505]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.237174][  T505]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   23.237178][  T505]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.237185][  T505]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.237187][  T505]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.237191][  T505]  genl_rcv (net/netlink/genetlink.c:1218)
[   23.237193][  T505]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.237197][  T505]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.237199][  T505]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   23.237204][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.237207][  T505]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.237211][  T505]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.237213][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.237216][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.237221][  T505]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.237223][  T505]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   23.237227][  T505]  __sys_sendto (net/socket.c:2281)
[   23.237230][  T505]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   23.237241][  T505]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   23.237246][  T505]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   23.237248][  T505]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.237252][  T505]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.237253][  T505]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   23.237256][  T505]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.237258][  T505]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.237260][  T505]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.237262][  T505] RIP: 0033:0x7f4e3a617312
[   23.237266][  T505] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   23.237268][  T505] RSP: 002b:00007ffe702daac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   23.237271][  T505] RAX: ffffffffffffffda RBX: 00007ffe702dabf8 RCX: 00007f4e3a617312
[   23.237272][  T505] RDX: 0000000000000030 RSI: 00007f4e3622e870 RDI: 0000000000000023
[   23.237273][  T505] RBP: 00007ffe702daaf0 R08: 00007ffe702dac70 R09: 000000000000000c
[   23.237273][  T505] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4e3847a270
[   23.237274][  T505] R13: 00007ffe702dabf8 R14: 00007f4e39f3601a R15: 00007ffe702dafe8
| [   41.125048][  T660] softirqs last disabled at (21896): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   41.125050][  T660] Preemption disabled at:
| [   41.125051][  T660] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.125060][  T660] Tainted: [W]=WARN
[   41.125060][  T660] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.125062][  T660] Call Trace:
[   41.125063][  T660]  <TASK>
[   41.125065][  T660]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.125071][  T660]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.125073][  T660]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.125077][  T660]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.125081][  T660]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.125085][  T660]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   41.125087][  T660]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.125094][  T660]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.125097][  T660]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.125100][  T660]  put_chars (drivers/char/virtio_console.c:1176)
[   41.125102][  T660]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   41.125105][  T660]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.125107][  T660]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.125111][  T660]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.125113][  T660]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.125117][  T660]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.125121][  T660]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   41.125123][  T660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.125125][  T660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.125129][  T660]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.125131][  T660]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   41.125134][  T660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.125136][  T660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.125140][  T660]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.125144][  T660]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.125146][  T660]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   41.125149][  T660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.125151][  T660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.125155][  T660]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.125159][  T660]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.125161][  T660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.125166][  T660]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.125168][  T660]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.125170][  T660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.125172][  T660]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   41.125176][  T660]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.125177][  T660]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.125180][  T660]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.125183][  T660]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.125185][  T660]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   41.125189][  T660]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   41.125194][  T660]  _printk (kernel/printk/printk.c:2504)
[   41.125198][  T660]  ? snapshot_read.cold (user.c:?)
[   41.125202][  T660]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.125205][  T660]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.125209][  T660]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.125212][  T660]  ? netdev_notice (net/core/dev.c:13194)
[   41.125214][  T660]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   41.125218][  T660]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   41.125223][  T660]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.125225][  T660]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   41.125229][  T660]  netif_set_promiscuity (net/core/dev.c:9699)
[   41.125232][  T660]  dev_set_promiscuity (net/core/dev_api.c:288)
[   41.125234][  T660]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.125237][  T660] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   41.125245][  T660] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   41.125249][  T660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.125252][  T660]  notifier_call_chain (kernel/notifier.c:85)
[   41.125257][  T660]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   41.125262][  T660]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   41.125269][  T660]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   41.125270][  T660]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   41.125272][  T660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.125274][  T660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.125276][  T660]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   41.125297][  T660]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.125299][  T660]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.125302][  T660]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.125303][  T660]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   41.125306][  T660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.125314][  T660]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.125316][  T660]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.125318][  T660]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   41.125320][  T660]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.125323][  T660]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   41.125325][  T660]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.125328][  T660]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.125330][  T660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.125334][  T660]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.125336][  T660]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.125339][  T660]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.125342][  T660]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.125345][  T660]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.125351][  T660]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.125353][  T660]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.125358][  T660]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.125362][  T660]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.125364][  T660]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.125368][  T660]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.125372][  T660]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.125376][  T660]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.125377][  T660]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.125383][  T660]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.125386][  T660]  ____sys_sendmsg (net/socket.c:2713)
[   41.125389][  T660]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.125391][  T660]  ? sock_write_iter (net/socket.c:1269)
[   41.125393][  T660]  ? move_addr_to_kernel (net/socket.c:258)
[   41.125400][  T660]  ___sys_sendmsg (net/socket.c:2767)
[   41.125402][  T660]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.125422][  T660]  __sys_sendmsg (net/socket.c:2799)
[   41.125425][  T660]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.125431][  T660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.125434][  T660]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.125438][  T660]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.125441][  T660]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.125443][  T660] RIP: 0033:0x7f0fc8be654e
[   41.125446][  T660] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[   41.125448][  T660] RSP: 002b:00007ffd95b40e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.125451][  T660] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0fc8be654e
[   41.125452][  T660] RDX: 0000000000000000 RSI: 00007ffd95b40eb0 RDI: 0000000000000005
[   41.125453][  T660] RBP: 00007ffd95b40e10 R08: 0000000000000000 R09: 0000000000000000
[   41.125454][  T660] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bd69
[   41.125455][  T660] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd95b41570
| [   44.136308][  T718] softirqs last disabled at (404520): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   44.136315][  T718] Preemption disabled at:
| [   44.136315][  T718] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.136324][  T718] Tainted: [W]=WARN
[   44.136324][  T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.136326][  T718] Call Trace:
[   44.136327][  T718]  <TASK>
[   44.136329][  T718]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.136335][  T718]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.136337][  T718]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.136341][  T718]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.136346][  T718]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.136350][  T718]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.136351][  T718]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.136358][  T718]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.136360][  T718]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.136364][  T718]  put_chars (drivers/char/virtio_console.c:1176)
[   44.136366][  T718]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.136369][  T718]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.136372][  T718]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.136374][  T718]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.136378][  T718]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.136382][  T718]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.136384][  T718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.136386][  T718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.136390][  T718]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.136392][  T718]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.136396][  T718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.136400][  T718]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.136404][  T718]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.136405][  T718]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   44.136408][  T718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.136410][  T718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.136414][  T718]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.136418][  T718]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.136420][  T718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.136425][  T718]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.136436][  T718]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.136437][  T718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.136439][  T718]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   44.136443][  T718]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.136445][  T718]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.136447][  T718]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.136450][  T718]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.136452][  T718]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.136454][  T718]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   44.136458][  T718]  _printk (kernel/printk/printk.c:2504)
[   44.136462][  T718]  ? snapshot_read.cold (user.c:?)
[   44.136463][  T718]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   44.136469][  T718]  ? idr_get_free (??:?)
[   44.136474][  T718]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   44.136482][  T718]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.136488][  T718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.136489][  T718]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   44.136494][  T718]  __nla_validate_parse (lib/nlattr.c:635)
[   44.136498][  T718]  __nla_parse (lib/nlattr.c:732)
[   44.136501][  T718]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   44.136505][  T718]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   44.136508][  T718]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   44.136516][  T718]  ? security_capable (security/security.c:660 (discriminator 11))
[   44.136520][  T718]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   44.136524][  T718]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   44.136526][  T718]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.136529][  T718]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   44.136537][  T718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.136542][  T718]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   44.136545][  T718]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.136547][  T718]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   44.136551][  T718]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.136557][  T718]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.136559][  T718]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.136563][  T718]  genl_rcv (net/netlink/genetlink.c:1218)
[   44.136565][  T718]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.136569][  T718]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.136572][  T718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.136576][  T718]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.136579][  T718]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.136581][  T718]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.136584][  T718]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.136589][  T718]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.136591][  T718]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   44.136595][  T718]  __sys_sendto (net/socket.c:2281)
[   44.136598][  T718]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   44.136608][  T718]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   44.136613][  T718]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   44.136615][  T718]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.136619][  T718]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   44.136620][  T718]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   44.136622][  T718]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.136624][  T718]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.136627][  T718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.136629][  T718] RIP: 0033:0x7f6067c8a312
[   44.136632][  T718] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   44.136634][  T718] RSP: 002b:00007ffd60b8e218 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.136636][  T718] RAX: ffffffffffffffda RBX: 00007ffd60b8e348 RCX: 00007f6067c8a312
[   44.136638][  T718] RDX: 0000000000000040 RSI: 00007f6057762ab0 RDI: 0000000000000020
[   44.136639][  T718] RBP: 00007ffd60b8e240 R08: 00007ffd60b8e3c0 R09: 000000000000000c
[   44.136639][  T718] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6065aea0b0
[   44.136640][  T718] R13: 00007ffd60b8e348 R14: 00007f60675a901a R15: 00007ffd60b8e738
| [   45.441619][  T766] softirqs last disabled at (404444): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   45.441621][  T766] Preemption disabled at:
| [   45.441622][  T766] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.441630][  T766] Tainted: [W]=WARN
[   45.441631][  T766] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.441633][  T766] Call Trace:
[   45.441634][  T766]  <TASK>
[   45.441636][  T766]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.441642][  T766]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.441644][  T766]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.441648][  T766]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.441652][  T766]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.441657][  T766]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.441659][  T766]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.441665][  T766]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.441668][  T766]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.441672][  T766]  put_chars (drivers/char/virtio_console.c:1176)
[   45.441674][  T766]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.441677][  T766]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.441680][  T766]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.441685][  T766]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.441689][  T766]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.441690][  T766]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.441695][  T766]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.441699][  T766]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.441701][  T766]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.441705][  T766]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.441709][  T766]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.441711][  T766]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   45.441714][  T766]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.441716][  T766]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.441720][  T766]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.441724][  T766]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.441726][  T766]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.441731][  T766]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.441734][  T766]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.441736][  T766]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.441737][  T766]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   45.441741][  T766]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.441743][  T766]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.441745][  T766]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.441749][  T766]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.441754][  T766]  _printk (kernel/printk/printk.c:2504)
[   45.441757][  T766]  ? snapshot_read.cold (user.c:?)
[   45.441760][  T766]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   45.441763][  T766]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   45.441767][  T766]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   45.441769][  T766]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.441772][  T766]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.441776][  T766]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.441779][  T766]  ? netdev_notice (net/core/dev.c:13194)
[   45.441781][  T766]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   45.441790][  T766]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.441792][  T766]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   45.441796][  T766]  netif_set_promiscuity (net/core/dev.c:9699)
[   45.441800][  T766]  dev_set_promiscuity (net/core/dev_api.c:288)
[   45.441802][  T766]  ? dev_disable_lro (net/core/dev_api.c:267)
[   45.441804][  T766] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   45.441809][  T766] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   45.441814][  T766] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   45.441818][  T766]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   45.441822][  T766] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   45.441828][  T766]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   45.441832][  T766]  ? __nla_validate_parse (lib/nlattr.c:635)
[   45.441838][  T766]  ? __nla_parse (lib/nlattr.c:732)
[   45.441840][  T766]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   45.441845][  T766]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   45.441848][  T766]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   45.441856][  T766]  ? security_capable (security/security.c:660 (discriminator 11))
[   45.441861][  T766]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   45.441864][  T766]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   45.441867][  T766]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.441869][  T766]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   45.441873][  T766]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.441878][  T766]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   45.441882][  T766]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.441884][  T766]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   45.441887][  T766]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.441894][  T766]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.441896][  T766]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.441900][  T766]  genl_rcv (net/netlink/genetlink.c:1218)
[   45.441902][  T766]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.441906][  T766]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.441910][  T766]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.441913][  T766]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.441917][  T766]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.441919][  T766]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.441922][  T766]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.441927][  T766]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.441929][  T766]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   45.441933][  T766]  __sys_sendto (net/socket.c:2281)
[   45.441936][  T766]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   45.441947][  T766]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   45.441953][  T766]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   45.441956][  T766]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.441959][  T766]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   45.441961][  T766]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   45.441963][  T766]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.441965][  T766]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.441968][  T766]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.441970][  T766] RIP: 0033:0x7f5d5b923312
[   45.441974][  T766] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   45.441975][  T766] RSP: 002b:00007ffdd5213aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.441978][  T766] RAX: ffffffffffffffda RBX: 00007ffdd5213bd8 RCX: 00007f5d5b923312
[   45.441979][  T766] RDX: 0000000000000030 RSI: 00007f5d58554430 RDI: 0000000000000023
[   45.441980][  T766] RBP: 00007ffdd5213ad0 R08: 00007ffdd5213c50 R09: 000000000000000c
[   45.441981][  T766] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5d59786190
[   45.441981][  T766] R13: 00007ffdd5213bd8 R14: 00007f5d5b24201a R15: 00007ffdd5213fc8
| [   46.682883][  T805] softirqs last disabled at (389172): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   46.682885][  T805] Preemption disabled at:
| [   46.682886][  T805] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.682894][  T805] Tainted: [W]=WARN
[   46.682895][  T805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.682897][  T805] Call Trace:
[   46.682898][  T805]  <TASK>
[   46.682900][  T805]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.682906][  T805]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.682908][  T805]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.682913][  T805]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.682917][  T805]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.682922][  T805]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.682923][  T805]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.682930][  T805]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.682933][  T805]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.682937][  T805]  put_chars (drivers/char/virtio_console.c:1176)
[   46.682939][  T805]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.682942][  T805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.682945][  T805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.682950][  T805]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.682954][  T805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.682956][  T805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.682960][  T805]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.682964][  T805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.682967][  T805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.682971][  T805]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.682975][  T805]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.682977][  T805]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   46.682980][  T805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.682981][  T805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.682986][  T805]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.682990][  T805]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.682992][  T805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.682997][  T805]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.683000][  T805]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.683002][  T805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.683004][  T805]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   46.683007][  T805]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.683009][  T805]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.683012][  T805]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.683015][  T805]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.683020][  T805]  _printk (kernel/printk/printk.c:2504)
[   46.683024][  T805]  ? snapshot_read.cold (user.c:?)
[   46.683027][  T805]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   46.683030][  T805]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   46.683034][  T805]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   46.683036][  T805]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.683039][  T805]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.683043][  T805]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.683046][  T805]  ? netdev_notice (net/core/dev.c:13194)
[   46.683048][  T805]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   46.683057][  T805]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.683060][  T805]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   46.683063][  T805]  netif_set_promiscuity (net/core/dev.c:9699)
[   46.683067][  T805]  dev_set_promiscuity (net/core/dev_api.c:288)
[   46.683069][  T805]  ? dev_disable_lro (net/core/dev_api.c:267)
[   46.683071][  T805] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   46.683076][  T805] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   46.683081][  T805] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   46.683085][  T805]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   46.683090][  T805] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   46.683096][  T805]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   46.683099][  T805]  ? __nla_validate_parse (lib/nlattr.c:635)
[   46.683105][  T805]  ? __nla_parse (lib/nlattr.c:732)
[   46.683108][  T805]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   46.683113][  T805]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   46.683116][  T805]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   46.683124][  T805]  ? security_capable (security/security.c:660 (discriminator 11))
[   46.683129][  T805]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   46.683133][  T805]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   46.683135][  T805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.683137][  T805]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   46.683141][  T805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.683147][  T805]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   46.683150][  T805]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.683152][  T805]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   46.683156][  T805]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.683163][  T805]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.683165][  T805]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.683169][  T805]  genl_rcv (net/netlink/genetlink.c:1218)
[   46.683171][  T805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.683175][  T805]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.683177][  T805]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   46.683182][  T805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.683186][  T805]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.683190][  T805]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.683191][  T805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.683194][  T805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.683199][  T805]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   46.683202][  T805]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   46.683206][  T805]  __sys_sendto (net/socket.c:2281)
[   46.683209][  T805]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   46.683220][  T805]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   46.683226][  T805]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   46.683228][  T805]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.683231][  T805]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   46.683233][  T805]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   46.683235][  T805]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.683237][  T805]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.683240][  T805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.683242][  T805] RIP: 0033:0x7fd919120312
[   46.683246][  T805] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   46.683247][  T805] RSP: 002b:00007ffcce6a3518 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.683250][  T805] RAX: ffffffffffffffda RBX: 00007ffcce6a3648 RCX: 00007fd919120312
[   46.683251][  T805] RDX: 0000000000000030 RSI: 00007fd914d55c70 RDI: 0000000000000023
[   46.683252][  T805] RBP: 00007ffcce6a3540 R08: 00007ffcce6a36c0 R09: 000000000000000c
[   46.683253][  T805] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd916f8a270
[   46.683254][  T805] R13: 00007ffcce6a3648 R14: 00007fd918a3f01a R15: 00007ffcce6a3a38
| [   52.112580][  T892] softirqs last disabled at (28398): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   52.112583][  T892] Preemption disabled at:
| [   52.112584][  T892] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.112592][  T892] Tainted: [W]=WARN
[   52.112593][  T892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.112595][  T892] Call Trace:
[   52.112596][  T892]  <TASK>
[   52.112598][  T892]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.112604][  T892]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.112605][  T892]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.112610][  T892]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.112614][  T892]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.112618][  T892]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.112620][  T892]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.112626][  T892]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.112629][  T892]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.112632][  T892]  put_chars (drivers/char/virtio_console.c:1176)
[   52.112634][  T892]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   52.112636][  T892]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.112639][  T892]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.112642][  T892]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.112645][  T892]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.112649][  T892]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.112653][  T892]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.112654][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.112656][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.112660][  T892]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.112662][  T892]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   52.112665][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.112667][  T892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.112671][  T892]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.112675][  T892]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.112677][  T892]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   52.112680][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.112682][  T892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.112685][  T892]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.112689][  T892]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.112691][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.112696][  T892]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.112699][  T892]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.112701][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.112703][  T892]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   52.112706][  T892]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.112708][  T892]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.112710][  T892]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.112713][  T892]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.112715][  T892]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   52.112720][  T892]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   52.112725][  T892]  _printk (kernel/printk/printk.c:2504)
[   52.112728][  T892]  ? snapshot_read.cold (user.c:?)
[   52.112733][  T892]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.112736][  T892]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.112740][  T892]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.112743][  T892]  ? netdev_notice (net/core/dev.c:13194)
[   52.112744][  T892]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   52.112748][  T892]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   52.112753][  T892]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.112756][  T892]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   52.112759][  T892]  netif_set_promiscuity (net/core/dev.c:9699)
[   52.112762][  T892]  dev_set_promiscuity (net/core/dev_api.c:288)
[   52.112764][  T892]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.112767][  T892] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   52.112775][  T892] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   52.112779][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.112781][  T892]  notifier_call_chain (kernel/notifier.c:85)
[   52.112787][  T892]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   52.112792][  T892]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   52.112799][  T892]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   52.112800][  T892]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.112802][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.112804][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.112806][  T892]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   52.112826][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.112828][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.112831][  T892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.112833][  T892]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.112835][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.112839][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.112841][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.112843][  T892]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   52.112845][  T892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.112849][  T892]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   52.112851][  T892]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.112854][  T892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.112855][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.112859][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.112861][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.112865][  T892]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.112868][  T892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.112870][  T892]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.112877][  T892]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.112878][  T892]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.112883][  T892]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.112887][  T892]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.112889][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.112893][  T892]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.112897][  T892]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.112901][  T892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.112902][  T892]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   52.112908][  T892]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.112912][  T892]  ____sys_sendmsg (net/socket.c:2713)
[   52.112914][  T892]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.112916][  T892]  ? sock_write_iter (net/socket.c:1269)
[   52.112918][  T892]  ? move_addr_to_kernel (net/socket.c:258)
[   52.112925][  T892]  ___sys_sendmsg (net/socket.c:2767)
[   52.112927][  T892]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.112943][  T892]  __sys_sendmsg (net/socket.c:2799)
[   52.112946][  T892]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.112952][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.112955][  T892]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.112958][  T892]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.112961][  T892]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.112963][  T892] RIP: 0033:0x7fdce693954e
[   52.112966][  T892] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[   52.112968][  T892] RSP: 002b:00007ffe50c5f010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.112970][  T892] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdce693954e
[   52.112972][  T892] RDX: 0000000000000000 RSI: 00007ffe50c5f0c0 RDI: 0000000000000005
[   52.112972][  T892] RBP: 00007ffe50c5f020 R08: 0000000000000000 R09: 0000000000000000
[   52.112973][  T892] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bd74
[   52.112974][  T892] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe50c5f780
| [   55.181438][  T950] softirqs last disabled at (389484): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   55.181440][  T950] Preemption disabled at:
| [   55.181441][  T950] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.181449][  T950] Tainted: [W]=WARN
[   55.181450][  T950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.181452][  T950] Call Trace:
[   55.181453][  T950]  <TASK>
[   55.181455][  T950]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.181461][  T950]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.181463][  T950]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.181472][  T950]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.181477][  T950]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.181481][  T950]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   55.181483][  T950]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.181489][  T950]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.181491][  T950]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.181495][  T950]  put_chars (drivers/char/virtio_console.c:1176)
[   55.181497][  T950]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.181500][  T950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.181503][  T950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.181506][  T950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.181510][  T950]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.181513][  T950]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.181515][  T950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.181517][  T950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.181521][  T950]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.181523][  T950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.181527][  T950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.181531][  T950]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.181535][  T950]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.181537][  T950]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   55.181540][  T950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.181542][  T950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.181545][  T950]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.181550][  T950]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.181551][  T950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.181557][  T950]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.181559][  T950]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.181561][  T950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.181563][  T950]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   55.181566][  T950]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.181568][  T950]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.181571][  T950]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.181574][  T950]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.181576][  T950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.181577][  T950]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   55.181582][  T950]  _printk (kernel/printk/printk.c:2504)
[   55.181585][  T950]  ? snapshot_read.cold (user.c:?)
[   55.181587][  T950]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   55.181593][  T950]  ? idr_get_free (??:?)
[   55.181597][  T950]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   55.181606][  T950]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.181612][  T950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.181613][  T950]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   55.181618][  T950]  __nla_validate_parse (lib/nlattr.c:635)
[   55.181622][  T950]  __nla_parse (lib/nlattr.c:732)
[   55.181625][  T950]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   55.181629][  T950]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   55.181633][  T950]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   55.181641][  T950]  ? security_capable (security/security.c:660 (discriminator 11))
[   55.181645][  T950]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   55.181648][  T950]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   55.181651][  T950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.181653][  T950]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   55.181661][  T950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.181666][  T950]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   55.181670][  T950]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.181672][  T950]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   55.181675][  T950]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.181682][  T950]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.181684][  T950]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.181688][  T950]  genl_rcv (net/netlink/genetlink.c:1218)
[   55.181690][  T950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.181694][  T950]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.181698][  T950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.181701][  T950]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.181705][  T950]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.181706][  T950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.181709][  T950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.181714][  T950]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   55.181717][  T950]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   55.181720][  T950]  __sys_sendto (net/socket.c:2281)
[   55.181724][  T950]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   55.181734][  T950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.181739][  T950]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   55.181741][  T950]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.181744][  T950]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   55.181747][  T950]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   55.181749][  T950]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.181751][  T950]  ? irq_exit_rcu (kernel/softirq.c:786)
[   55.181755][  T950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.181757][  T950] RIP: 0033:0x7fe9b1b80312
[   55.181761][  T950] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   55.181762][  T950] RSP: 002b:00007fffe99fbec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   55.181765][  T950] RAX: ffffffffffffffda RBX: 00007fffe99fbff8 RCX: 00007fe9b1b80312
[   55.181766][  T950] RDX: 0000000000000044 RSI: 00007fe9ad7569c0 RDI: 0000000000000020
[   55.181767][  T950] RBP: 00007fffe99fbef0 R08: 00007fffe99fc070 R09: 000000000000000c
[   55.181768][  T950] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9af9ea0b0
[   55.181769][  T950] R13: 00007fffe99fbff8 R14: 00007fe9b149f01a R15: 00007fffe99fc3e8
| [   56.474729][  T999] softirqs last disabled at (396800): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   56.474732][  T999] Preemption disabled at:
| [   56.474732][  T999] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.474740][  T999] Tainted: [W]=WARN
[   56.474741][  T999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.474743][  T999] Call Trace:
[   56.474744][  T999]  <TASK>
[   56.474746][  T999]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.474752][  T999]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.474754][  T999]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.474758][  T999]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.474762][  T999]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.474767][  T999]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   56.474769][  T999]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.474775][  T999]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.474778][  T999]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.474782][  T999]  put_chars (drivers/char/virtio_console.c:1176)
[   56.474784][  T999]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.474787][  T999]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.474790][  T999]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.474794][  T999]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.474799][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.474800][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.474805][  T999]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.474809][  T999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.474811][  T999]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.474815][  T999]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.474819][  T999]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.474821][  T999]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   56.474824][  T999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.474826][  T999]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.474830][  T999]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.474834][  T999]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.474836][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.474841][  T999]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.474844][  T999]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.474846][  T999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.474847][  T999]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   56.474851][  T999]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.474853][  T999]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.474855][  T999]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.474859][  T999]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.474864][  T999]  _printk (kernel/printk/printk.c:2504)
[   56.474867][  T999]  ? snapshot_read.cold (user.c:?)
[   56.474870][  T999]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   56.474873][  T999]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   56.474877][  T999]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   56.474879][  T999]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.474883][  T999]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.474887][  T999]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.474890][  T999]  ? netdev_notice (net/core/dev.c:13194)
[   56.474891][  T999]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   56.474900][  T999]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   56.474902][  T999]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   56.474906][  T999]  netif_set_promiscuity (net/core/dev.c:9699)
[   56.474910][  T999]  dev_set_promiscuity (net/core/dev_api.c:288)
[   56.474912][  T999]  ? dev_disable_lro (net/core/dev_api.c:267)
[   56.474914][  T999] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   56.474919][  T999] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   56.474924][  T999] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   56.474928][  T999]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   56.474932][  T999] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   56.474938][  T999]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   56.474941][  T999]  ? __nla_validate_parse (lib/nlattr.c:635)
[   56.474947][  T999]  ? __nla_parse (lib/nlattr.c:732)
[   56.474949][  T999]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   56.474954][  T999]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   56.474958][  T999]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   56.474966][  T999]  ? security_capable (security/security.c:660 (discriminator 11))
[   56.474970][  T999]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   56.474974][  T999]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   56.474976][  T999]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.474978][  T999]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   56.474982][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.474988][  T999]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   56.474991][  T999]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.474993][  T999]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   56.474996][  T999]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.475003][  T999]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.475005][  T999]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.475009][  T999]  genl_rcv (net/netlink/genetlink.c:1218)
[   56.475011][  T999]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.475015][  T999]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.475017][  T999]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   56.475022][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.475025][  T999]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.475029][  T999]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.475031][  T999]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.475034][  T999]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.475039][  T999]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   56.475042][  T999]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   56.475046][  T999]  __sys_sendto (net/socket.c:2281)
[   56.475048][  T999]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   56.475059][  T999]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   56.475065][  T999]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   56.475067][  T999]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.475070][  T999]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   56.475072][  T999]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   56.475075][  T999]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.475076][  T999]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.475079][  T999]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.475081][  T999] RIP: 0033:0x7ffbd9103312
[   56.475085][  T999] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   56.475087][  T999] RSP: 002b:00007ffe50764bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   56.475090][  T999] RAX: ffffffffffffffda RBX: 00007ffe50764d28 RCX: 00007ffbd9103312
[   56.475091][  T999] RDX: 0000000000000030 RSI: 00007ffbd4cebef0 RDI: 0000000000000023
[   56.475092][  T999] RBP: 00007ffe50764c20 R08: 00007ffe50764da0 R09: 000000000000000c
[   56.475093][  T999] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffbd6f66190
[   56.475093][  T999] R13: 00007ffe50764d28 R14: 00007ffbd8a2201a R15: 00007ffe50765118
| [   57.721960][ T1037] softirqs last disabled at (392528): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   57.721962][ T1037] Preemption disabled at:
| [   57.721963][ T1037] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.721970][ T1037] Tainted: [W]=WARN
[   57.721971][ T1037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.721973][ T1037] Call Trace:
[   57.721974][ T1037]  <TASK>
[   57.721976][ T1037]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.721982][ T1037]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.721983][ T1037]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.721988][ T1037]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.721992][ T1037]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.721996][ T1037]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   57.721998][ T1037]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.722005][ T1037]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.722007][ T1037]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.722011][ T1037]  put_chars (drivers/char/virtio_console.c:1176)
[   57.722013][ T1037]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.722017][ T1037]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.722020][ T1037]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.722024][ T1037]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.722028][ T1037]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.722030][ T1037]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.722034][ T1037]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.722038][ T1037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.722040][ T1037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.722044][ T1037]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.722048][ T1037]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.722050][ T1037]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   57.722053][ T1037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.722055][ T1037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.722059][ T1037]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.722063][ T1037]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.722065][ T1037]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.722070][ T1037]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.722073][ T1037]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.722075][ T1037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.722076][ T1037]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   57.722080][ T1037]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.722082][ T1037]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.722085][ T1037]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.722088][ T1037]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.722093][ T1037]  _printk (kernel/printk/printk.c:2504)
[   57.722096][ T1037]  ? snapshot_read.cold (user.c:?)
[   57.722099][ T1037]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   57.722102][ T1037]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   57.722106][ T1037]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   57.722108][ T1037]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   57.722112][ T1037]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   57.722115][ T1037]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   57.722118][ T1037]  ? netdev_notice (net/core/dev.c:13194)
[   57.722120][ T1037]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   57.722129][ T1037]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   57.722132][ T1037]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   57.722135][ T1037]  netif_set_promiscuity (net/core/dev.c:9699)
[   57.722139][ T1037]  dev_set_promiscuity (net/core/dev_api.c:288)
[   57.722141][ T1037]  ? dev_disable_lro (net/core/dev_api.c:267)
[   57.722143][ T1037] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   57.722148][ T1037] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   57.722153][ T1037] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   57.722157][ T1037]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   57.722161][ T1037] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   57.722167][ T1037]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   57.722171][ T1037]  ? __nla_validate_parse (lib/nlattr.c:635)
[   57.722177][ T1037]  ? __nla_parse (lib/nlattr.c:732)
[   57.722179][ T1037]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   57.722184][ T1037]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   57.722187][ T1037]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   57.722195][ T1037]  ? security_capable (security/security.c:660 (discriminator 11))
[   57.722200][ T1037]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   57.722204][ T1037]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   57.722206][ T1037]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.722208][ T1037]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   57.722212][ T1037]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.722218][ T1037]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   57.722221][ T1037]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.722223][ T1037]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   57.722226][ T1037]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.722233][ T1037]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.722236][ T1037]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.722240][ T1037]  genl_rcv (net/netlink/genetlink.c:1218)
[   57.722242][ T1037]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.722246][ T1037]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.722250][ T1037]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.722253][ T1037]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.722257][ T1037]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.722259][ T1037]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.722262][ T1037]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.722267][ T1037]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   57.722270][ T1037]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   57.722273][ T1037]  __sys_sendto (net/socket.c:2281)
[   57.722276][ T1037]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   57.722282][ T1037]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   57.722283][ T1037]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   57.722287][ T1037]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229)
[   57.722289][ T1037]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   57.722296][ T1037]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.722300][ T1037]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   57.722302][ T1037]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.722306][ T1037]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   57.722307][ T1037]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   57.722314][ T1037]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.722316][ T1037]  ? irq_exit_rcu (kernel/softirq.c:786)
[   57.722320][ T1037]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.722322][ T1037] RIP: 0033:0x7f62a6c90312
[   57.722326][ T1037] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   57.722328][ T1037] RSP: 002b:00007ffffd640358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   57.722330][ T1037] RAX: ffffffffffffffda RBX: 00007ffffd640488 RCX: 00007f62a6c90312
[   57.722332][ T1037] RDX: 0000000000000030 RSI: 00007f62a49e3cb0 RDI: 0000000000000023
[   57.722333][ T1037] RBP: 00007ffffd640380 R08: 00007ffffd640500 R09: 000000000000000c
[   57.722333][ T1037] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62a4afa270
[   57.722334][ T1037] R13: 00007ffffd640488 R14: 00007f62a65af01a R15: 00007ffffd640878
| [   74.921005][ T1177] softirqs last disabled at (26534): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   74.921007][ T1177] Preemption disabled at:
| [   74.921008][ T1177] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.921016][ T1177] Tainted: [W]=WARN
[   74.921017][ T1177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.921019][ T1177] Call Trace:
[   74.921020][ T1177]  <TASK>
[   74.921022][ T1177]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.921028][ T1177]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.921029][ T1177]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.921034][ T1177]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.921037][ T1177]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   74.921042][ T1177]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.921044][ T1177]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.921053][ T1177]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.921056][ T1177]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.921062][ T1177]  put_chars (drivers/char/virtio_console.c:1176)
[   74.921063][ T1177]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   74.921066][ T1177]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.921069][ T1177]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   74.921071][ T1177]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.921074][ T1177]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   74.921078][ T1177]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.921082][ T1177]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   74.921084][ T1177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.921086][ T1177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.921089][ T1177]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.921092][ T1177]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   74.921095][ T1177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.921097][ T1177]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.921101][ T1177]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.921105][ T1177]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.921107][ T1177]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   74.921110][ T1177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.921112][ T1177]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.921115][ T1177]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.921120][ T1177]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.921121][ T1177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.921126][ T1177]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.921129][ T1177]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.921131][ T1177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.921133][ T1177]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   74.921136][ T1177]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.921138][ T1177]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.921142][ T1177]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.921147][ T1177]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.921150][ T1177]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   74.921155][ T1177]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   74.921160][ T1177]  _printk (kernel/printk/printk.c:2504)
[   74.921164][ T1177]  ? snapshot_read.cold (user.c:?)
[   74.921168][ T1177]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   74.921172][ T1177]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   74.921175][ T1177]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   74.921178][ T1177]  ? netdev_notice (net/core/dev.c:13194)
[   74.921180][ T1177]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   74.921184][ T1177]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   74.921189][ T1177]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   74.921192][ T1177]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   74.921195][ T1177]  netif_set_promiscuity (net/core/dev.c:9699)
[   74.921198][ T1177]  dev_set_promiscuity (net/core/dev_api.c:288)
[   74.921200][ T1177]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   74.921203][ T1177] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   74.921212][ T1177] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   74.921216][ T1177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.921218][ T1177]  notifier_call_chain (kernel/notifier.c:85)
[   74.921224][ T1177]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   74.921229][ T1177]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   74.921236][ T1177]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   74.921237][ T1177]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   74.921239][ T1177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.921241][ T1177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.921243][ T1177]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   74.921269][ T1177]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.921271][ T1177]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.921274][ T1177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.921276][ T1177]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   74.921278][ T1177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.921283][ T1177]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.921284][ T1177]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.921286][ T1177]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   74.921288][ T1177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.921292][ T1177]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   74.921294][ T1177]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.921297][ T1177]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.921298][ T1177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.921303][ T1177]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.921304][ T1177]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.921308][ T1177]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.921313][ T1177]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.921316][ T1177]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.921322][ T1177]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   74.921324][ T1177]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   74.921329][ T1177]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.921333][ T1177]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.921335][ T1177]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.921339][ T1177]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.921343][ T1177]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.921347][ T1177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.921348][ T1177]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   74.921354][ T1177]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.921358][ T1177]  ____sys_sendmsg (net/socket.c:2713)
[   74.921360][ T1177]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.921363][ T1177]  ? sock_write_iter (net/socket.c:1269)
[   74.921364][ T1177]  ? move_addr_to_kernel (net/socket.c:258)
[   74.921371][ T1177]  ___sys_sendmsg (net/socket.c:2767)
[   74.921374][ T1177]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.921389][ T1177]  __sys_sendmsg (net/socket.c:2799)
[   74.921392][ T1177]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.921398][ T1177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.921401][ T1177]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.921405][ T1177]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.921407][ T1177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.921410][ T1177] RIP: 0033:0x7f297c10c54e
[   74.921413][ T1177] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[   74.921415][ T1177] RSP: 002b:00007ffcd04551d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.921417][ T1177] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f297c10c54e
[   74.921419][ T1177] RDX: 0000000000000000 RSI: 00007ffcd0455280 RDI: 0000000000000005
[   74.921420][ T1177] RBP: 00007ffcd04551e0 R08: 0000000000000000 R09: 0000000000000000
[   74.921421][ T1177] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bd8b
[   74.921421][ T1177] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd0455940
| [   77.993086][ T1235] softirqs last disabled at (380036): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   77.993088][ T1235] Preemption disabled at:
| [   77.993089][ T1235] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.993097][ T1235] Tainted: [W]=WARN
[   77.993098][ T1235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.993101][ T1235] Call Trace:
[   77.993102][ T1235]  <TASK>
[   77.993104][ T1235]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.993110][ T1235]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.993111][ T1235]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.993116][ T1235]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.993120][ T1235]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   77.993124][ T1235]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   77.993126][ T1235]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.993132][ T1235]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.993135][ T1235]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.993138][ T1235]  put_chars (drivers/char/virtio_console.c:1176)
[   77.993141][ T1235]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.993144][ T1235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.993146][ T1235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.993149][ T1235]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.993153][ T1235]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.993157][ T1235]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   77.993159][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.993161][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.993165][ T1235]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.993167][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.993171][ T1235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.993175][ T1235]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.993179][ T1235]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.993181][ T1235]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   77.993184][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.993186][ T1235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.993190][ T1235]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.993194][ T1235]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.993196][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.993201][ T1235]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.993204][ T1235]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.993206][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.993207][ T1235]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   77.993211][ T1235]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.993213][ T1235]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.993216][ T1235]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.993219][ T1235]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.993221][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.993222][ T1235]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   77.993227][ T1235]  _printk (kernel/printk/printk.c:2504)
[   77.993231][ T1235]  ? snapshot_read.cold (user.c:?)
[   77.993232][ T1235]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   77.993238][ T1235]  ? idr_get_free (??:?)
[   77.993243][ T1235]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   77.993251][ T1235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.993257][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.993259][ T1235]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   77.993263][ T1235]  __nla_validate_parse (lib/nlattr.c:635)
[   77.993268][ T1235]  __nla_parse (lib/nlattr.c:732)
[   77.993271][ T1235]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   77.993275][ T1235]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   77.993279][ T1235]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   77.993287][ T1235]  ? security_capable (security/security.c:660 (discriminator 11))
[   77.993291][ T1235]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   77.993295][ T1235]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   77.993297][ T1235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.993300][ T1235]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   77.993308][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.993317][ T1235]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   77.993320][ T1235]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.993322][ T1235]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   77.993325][ T1235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.993332][ T1235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.993334][ T1235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.993338][ T1235]  genl_rcv (net/netlink/genetlink.c:1218)
[   77.993340][ T1235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.993344][ T1235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.993348][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.993351][ T1235]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.993355][ T1235]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.993357][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.993360][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.993364][ T1235]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   77.993367][ T1235]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   77.993371][ T1235]  __sys_sendto (net/socket.c:2281)
[   77.993374][ T1235]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   77.993384][ T1235]  ? fput_close_sync (fs/file_table.c:617)
[   77.993388][ T1235]  ? alloc_file_clone (fs/file_table.c:479)
[   77.993391][ T1235]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   77.993394][ T1235]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   77.993397][ T1235]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   77.993399][ T1235]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   77.993402][ T1235]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.993404][ T1235]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.993406][ T1235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.993408][ T1235] RIP: 0033:0x7fa5f9771312
[   77.993412][ T1235] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   77.993413][ T1235] RSP: 002b:00007fffbf164d48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   77.993416][ T1235] RAX: ffffffffffffffda RBX: 00007fffbf164e78 RCX: 00007fa5f9771312
[   77.993417][ T1235] RDX: 0000000000000048 RSI: 00007fa5f75db4b0 RDI: 0000000000000020
[   77.993418][ T1235] RBP: 00007fffbf164d70 R08: 00007fffbf164ef0 R09: 000000000000000c
[   77.993419][ T1235] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5f75ca0b0
[   77.993420][ T1235] R13: 00007fffbf164e78 R14: 00007fa5f909001a R15: 00007fffbf165268
| [   79.577167][ T1283] softirqs last disabled at (389666): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   79.577170][ T1283] Preemption disabled at:
| [   79.577171][ T1283] vprintk_emit (kernel/printk/printk.c:2471)
| [   79.577182][ T1283] Tainted: [W]=WARN
[   79.577184][ T1283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.577186][ T1283] Call Trace:
[   79.577188][ T1283]  <TASK>
[   79.577190][ T1283]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.577198][ T1283]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   79.577201][ T1283]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.577206][ T1283]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.577212][ T1283]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   79.577219][ T1283]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   79.577222][ T1283]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.577231][ T1283]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   79.577235][ T1283]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.577240][ T1283]  put_chars (drivers/char/virtio_console.c:1176)
[   79.577244][ T1283]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.577249][ T1283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.577254][ T1283]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   79.577260][ T1283]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.577266][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.577268][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.577275][ T1283]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.577281][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.577284][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.577291][ T1283]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.577297][ T1283]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.577300][ T1283]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   79.577305][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.577308][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.577319][ T1283]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.577326][ T1283]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.577329][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.577338][ T1283]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.577342][ T1283]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.577345][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.577348][ T1283]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   79.577354][ T1283]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.577357][ T1283]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.577362][ T1283]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.577367][ T1283]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.577377][ T1283]  _printk (kernel/printk/printk.c:2504)
[   79.577382][ T1283]  ? snapshot_read.cold (user.c:?)
[   79.577387][ T1283]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   79.577391][ T1283]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   79.577396][ T1283]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   79.577399][ T1283]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   79.577404][ T1283]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   79.577410][ T1283]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   79.577414][ T1283]  ? netdev_notice (net/core/dev.c:13194)
[   79.577417][ T1283]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   79.577434][ T1283]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.577438][ T1283]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   79.577444][ T1283]  netif_set_promiscuity (net/core/dev.c:9699)
[   79.577450][ T1283]  dev_set_promiscuity (net/core/dev_api.c:288)
[   79.577453][ T1283]  ? dev_disable_lro (net/core/dev_api.c:267)
[   79.577456][ T1283] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   79.577465][ T1283] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   79.577473][ T1283] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   79.577479][ T1283]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   79.577486][ T1283] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   79.577496][ T1283]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   79.577502][ T1283]  ? __nla_validate_parse (lib/nlattr.c:635)
[   79.577511][ T1283]  ? __nla_parse (lib/nlattr.c:732)
[   79.577515][ T1283]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   79.577523][ T1283]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   79.577529][ T1283]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   79.577544][ T1283]  ? security_capable (security/security.c:660 (discriminator 11))
[   79.577554][ T1283]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   79.577561][ T1283]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   79.577564][ T1283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.577568][ T1283]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   79.577575][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.577585][ T1283]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   79.577590][ T1283]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.577593][ T1283]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   79.577598][ T1283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.577610][ T1283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   79.577613][ T1283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   79.577620][ T1283]  genl_rcv (net/netlink/genetlink.c:1218)
[   79.577623][ T1283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.577630][ T1283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.577636][ T1283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.577642][ T1283]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.577649][ T1283]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   79.577652][ T1283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.577657][ T1283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.577665][ T1283]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   79.577669][ T1283]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   79.577674][ T1283]  __sys_sendto (net/socket.c:2281)
[   79.577679][ T1283]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   79.577698][ T1283]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   79.577708][ T1283]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   79.577711][ T1283]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.577716][ T1283]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   79.577718][ T1283]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   79.577722][ T1283]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.577725][ T1283]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   79.577729][ T1283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.577732][ T1283] RIP: 0033:0x7f6b26fe2312
[   79.577737][ T1283] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   79.577740][ T1283] RSP: 002b:00007fff4c0059d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   79.577743][ T1283] RAX: ffffffffffffffda RBX: 00007fff4c005b08 RCX: 00007f6b26fe2312
[   79.577745][ T1283] RDX: 0000000000000030 RSI: 00007f6b24422a30 RDI: 0000000000000023
[   79.577746][ T1283] RBP: 00007fff4c005a00 R08: 00007fff4c005b80 R09: 000000000000000c
[   79.577748][ T1283] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b24e42190
[   79.577749][ T1283] R13: 00007fff4c005b08 R14: 00007f6b2690101a R15: 00007fff4c005ef8
| [   80.870391][ T1321] softirqs last disabled at (413245): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   80.870393][ T1321] Preemption disabled at:
| [   80.870394][ T1321] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.870402][ T1321] Tainted: [W]=WARN
[   80.870403][ T1321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.870404][ T1321] Call Trace:
[   80.870406][ T1321]  <TASK>
[   80.870407][ T1321]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.870414][ T1321]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.870415][ T1321]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.870420][ T1321]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.870424][ T1321]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   80.870428][ T1321]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   80.870430][ T1321]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.870437][ T1321]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   80.870440][ T1321]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.870444][ T1321]  put_chars (drivers/char/virtio_console.c:1176)
[   80.870447][ T1321]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.870450][ T1321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.870453][ T1321]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   80.870457][ T1321]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.870462][ T1321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.870463][ T1321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.870468][ T1321]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.870471][ T1321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.870474][ T1321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.870477][ T1321]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.870481][ T1321]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.870483][ T1321]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   80.870487][ T1321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.870488][ T1321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.870492][ T1321]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.870497][ T1321]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.870498][ T1321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.870504][ T1321]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.870507][ T1321]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.870508][ T1321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.870510][ T1321]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   80.870514][ T1321]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.870516][ T1321]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.870518][ T1321]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.870521][ T1321]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.870527][ T1321]  _printk (kernel/printk/printk.c:2504)
[   80.870530][ T1321]  ? snapshot_read.cold (user.c:?)
[   80.870533][ T1321]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   80.870536][ T1321]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   80.870541][ T1321]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   80.870542][ T1321]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.870546][ T1321]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.870550][ T1321]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.870552][ T1321]  ? netdev_notice (net/core/dev.c:13194)
[   80.870559][ T1321]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   80.870568][ T1321]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   80.870571][ T1321]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   80.870574][ T1321]  netif_set_promiscuity (net/core/dev.c:9699)
[   80.870578][ T1321]  dev_set_promiscuity (net/core/dev_api.c:288)
[   80.870580][ T1321]  ? dev_disable_lro (net/core/dev_api.c:267)
[   80.870582][ T1321] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   80.870587][ T1321] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   80.870592][ T1321] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   80.870596][ T1321]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   80.870601][ T1321] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   80.870607][ T1321]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   80.870610][ T1321]  ? __nla_validate_parse (lib/nlattr.c:635)
[   80.870616][ T1321]  ? __nla_parse (lib/nlattr.c:732)
[   80.870619][ T1321]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   80.870623][ T1321]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   80.870627][ T1321]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   80.870635][ T1321]  ? security_capable (security/security.c:660 (discriminator 11))
[   80.870639][ T1321]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   80.870643][ T1321]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   80.870645][ T1321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.870647][ T1321]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   80.870652][ T1321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.870657][ T1321]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   80.870660][ T1321]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.870662][ T1321]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   80.870666][ T1321]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.870672][ T1321]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   80.870674][ T1321]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   80.870678][ T1321]  genl_rcv (net/netlink/genetlink.c:1218)
[   80.870681][ T1321]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.870685][ T1321]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.870688][ T1321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.870692][ T1321]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.870696][ T1321]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.870697][ T1321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.870700][ T1321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.870705][ T1321]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   80.870708][ T1321]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   80.870712][ T1321]  __sys_sendto (net/socket.c:2281)
[   80.870715][ T1321]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   80.870726][ T1321]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   80.870730][ T1321]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   80.870732][ T1321]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   80.870736][ T1321]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   80.870737][ T1321]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   80.870740][ T1321]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.870742][ T1321]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.870745][ T1321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.870747][ T1321] RIP: 0033:0x7f43ab030312
[   80.870750][ T1321] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   80.870752][ T1321] RSP: 002b:00007ffda2828578 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   80.870755][ T1321] RAX: ffffffffffffffda RBX: 00007ffda28286a8 RCX: 00007f43ab030312
[   80.870756][ T1321] RDX: 0000000000000030 RSI: 00007f43a8476430 RDI: 0000000000000023
[   80.870757][ T1321] RBP: 00007ffda28285a0 R08: 00007ffda2828720 R09: 000000000000000c
[   80.870758][ T1321] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f43a8e9a270
[   80.870758][ T1321] R13: 00007ffda28286a8 R14: 00007f43aa94f01a R15: 00007ffda2828a98
| [   87.197072][ T1474] softirqs last disabled at (20526): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   87.197075][ T1474] Preemption disabled at:
| [   87.197075][ T1474] vprintk_emit (kernel/printk/printk.c:2471)
| [   87.197084][ T1474] Tainted: [W]=WARN
[   87.197085][ T1474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.197087][ T1474] Call Trace:
[   87.197089][ T1474]  <TASK>
[   87.197090][ T1474]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.197096][ T1474]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   87.197098][ T1474]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.197102][ T1474]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.197106][ T1474]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   87.197111][ T1474]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   87.197112][ T1474]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.197119][ T1474]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   87.197121][ T1474]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.197125][ T1474]  put_chars (drivers/char/virtio_console.c:1176)
[   87.197127][ T1474]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   87.197129][ T1474]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.197132][ T1474]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   87.197134][ T1474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.197137][ T1474]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   87.197141][ T1474]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.197145][ T1474]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   87.197147][ T1474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.197149][ T1474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.197153][ T1474]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.197155][ T1474]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   87.197159][ T1474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.197160][ T1474]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.197164][ T1474]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.197168][ T1474]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.197170][ T1474]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   87.197173][ T1474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.197175][ T1474]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.197179][ T1474]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.197183][ T1474]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.197185][ T1474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.197190][ T1474]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.197193][ T1474]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.197195][ T1474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.197196][ T1474]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   87.197200][ T1474]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.197202][ T1474]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.197204][ T1474]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.197207][ T1474]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.197209][ T1474]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   87.197214][ T1474]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   87.197219][ T1474]  _printk (kernel/printk/printk.c:2504)
[   87.197222][ T1474]  ? snapshot_read.cold (user.c:?)
[   87.197226][ T1474]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   87.197230][ T1474]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   87.197234][ T1474]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   87.197237][ T1474]  ? netdev_notice (net/core/dev.c:13194)
[   87.197238][ T1474]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   87.197242][ T1474]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   87.197248][ T1474]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.197250][ T1474]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   87.197253][ T1474]  netif_set_promiscuity (net/core/dev.c:9699)
[   87.197257][ T1474]  dev_set_promiscuity (net/core/dev_api.c:288)
[   87.197259][ T1474]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.197262][ T1474] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   87.197270][ T1474] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   87.197274][ T1474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.197276][ T1474]  notifier_call_chain (kernel/notifier.c:85)
[   87.197282][ T1474]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   87.197287][ T1474]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   87.197294][ T1474]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   87.197295][ T1474]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   87.197297][ T1474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.197299][ T1474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.197301][ T1474]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   87.197323][ T1474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.197325][ T1474]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.197328][ T1474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.197330][ T1474]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   87.197332][ T1474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.197336][ T1474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.197338][ T1474]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.197340][ T1474]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   87.197342][ T1474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.197346][ T1474]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   87.197348][ T1474]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.197351][ T1474]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.197353][ T1474]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.197357][ T1474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.197359][ T1474]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.197363][ T1474]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.197366][ T1474]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.197369][ T1474]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.197375][ T1474]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   87.197377][ T1474]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   87.197382][ T1474]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.197386][ T1474]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.197389][ T1474]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.197393][ T1474]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.197397][ T1474]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.197401][ T1474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.197402][ T1474]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   87.197408][ T1474]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   87.197412][ T1474]  ____sys_sendmsg (net/socket.c:2713)
[   87.197414][ T1474]  ? copy_msghdr_from_user (net/socket.c:2650)
[   87.197416][ T1474]  ? sock_write_iter (net/socket.c:1269)
[   87.197418][ T1474]  ? move_addr_to_kernel (net/socket.c:258)
[   87.197425][ T1474]  ___sys_sendmsg (net/socket.c:2767)
[   87.197428][ T1474]  ? copy_msghdr_from_user (net/socket.c:2619)
[   87.197443][ T1474]  __sys_sendmsg (net/socket.c:2799)
[   87.197446][ T1474]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   87.197452][ T1474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.197455][ T1474]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.197458][ T1474]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.197461][ T1474]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.197463][ T1474] RIP: 0033:0x7ffbb0c7854e
[   87.197467][ T1474] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[   87.197468][ T1474] RSP: 002b:00007ffc83868140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   87.197471][ T1474] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffbb0c7854e
[   87.197472][ T1474] RDX: 0000000000000000 RSI: 00007ffc838681f0 RDI: 0000000000000005
[   87.197473][ T1474] RBP: 00007ffc83868150 R08: 0000000000000000 R09: 0000000000000000
[   87.197474][ T1474] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bd97
[   87.197475][ T1474] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc838688b0
| [   90.291964][ T1532] softirqs last disabled at (378784): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   90.291967][ T1532] Preemption disabled at:
| [   90.291967][ T1532] vprintk_emit (kernel/printk/printk.c:2471)
| [   90.291976][ T1532] Tainted: [W]=WARN
[   90.291976][ T1532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.291978][ T1532] Call Trace:
[   90.291980][ T1532]  <TASK>
[   90.291981][ T1532]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   90.291987][ T1532]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   90.291989][ T1532]  __might_resched.cold (kernel/sched/core.c:9234)
[   90.291993][ T1532]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   90.291997][ T1532]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   90.292001][ T1532]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   90.292003][ T1532]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.292009][ T1532]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   90.292012][ T1532]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.292016][ T1532]  put_chars (drivers/char/virtio_console.c:1176)
[   90.292018][ T1532]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   90.292021][ T1532]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   90.292023][ T1532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.292026][ T1532]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   90.292030][ T1532]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   90.292034][ T1532]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   90.292036][ T1532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.292038][ T1532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.292042][ T1532]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   90.292044][ T1532]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   90.292048][ T1532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.292052][ T1532]  console_emit_next_record (kernel/printk/printk.c:3183)
[   90.292056][ T1532]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   90.292058][ T1532]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   90.292061][ T1532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.292063][ T1532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.292067][ T1532]  console_flush_one_record (kernel/printk/printk.c:3268)
[   90.292071][ T1532]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   90.292073][ T1532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.292078][ T1532]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   90.292081][ T1532]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   90.292083][ T1532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.292084][ T1532]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   90.292088][ T1532]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   90.292090][ T1532]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   90.292092][ T1532]  vprintk_emit (kernel/printk/printk.c:2479)
[   90.292095][ T1532]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   90.292098][ T1532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   90.292099][ T1532]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   90.292104][ T1532]  _printk (kernel/printk/printk.c:2504)
[   90.292108][ T1532]  ? snapshot_read.cold (user.c:?)
[   90.292109][ T1532]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   90.292115][ T1532]  ? idr_get_free (??:?)
[   90.292120][ T1532]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   90.292128][ T1532]  ? nla_get_range_signed (lib/nlattr.c:270)
[   90.292134][ T1532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.292136][ T1532]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   90.292140][ T1532]  __nla_validate_parse (lib/nlattr.c:635)
[   90.292144][ T1532]  __nla_parse (lib/nlattr.c:732)
[   90.292147][ T1532]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   90.292152][ T1532]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   90.292155][ T1532]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   90.292163][ T1532]  ? security_capable (security/security.c:660 (discriminator 11))
[   90.292167][ T1532]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   90.292171][ T1532]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   90.292173][ T1532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.292176][ T1532]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   90.292184][ T1532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.292190][ T1532]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   90.292193][ T1532]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.292195][ T1532]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   90.292198][ T1532]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.292205][ T1532]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   90.292207][ T1532]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   90.292211][ T1532]  genl_rcv (net/netlink/genetlink.c:1218)
[   90.292213][ T1532]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.292217][ T1532]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.292220][ T1532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.292224][ T1532]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.292228][ T1532]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   90.292229][ T1532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   90.292232][ T1532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   90.292237][ T1532]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   90.292240][ T1532]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   90.292243][ T1532]  __sys_sendto (net/socket.c:2281)
[   90.292246][ T1532]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   90.292257][ T1532]  ? fput_close_sync (fs/file_table.c:617)
[   90.292260][ T1532]  ? alloc_file_clone (fs/file_table.c:479)
[   90.292264][ T1532]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   90.292266][ T1532]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   90.292270][ T1532]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   90.292272][ T1532]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   90.292274][ T1532]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.292276][ T1532]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   90.292279][ T1532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.292281][ T1532] RIP: 0033:0x7fb588fb7312
[   90.292284][ T1532] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   90.292286][ T1532] RSP: 002b:00007ffe4da83bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   90.292288][ T1532] RAX: ffffffffffffffda RBX: 00007ffe4da83d08 RCX: 00007fb588fb7312
[   90.292290][ T1532] RDX: 0000000000000040 RSI: 00007fb584b8ec90 RDI: 0000000000000020
[   90.292291][ T1532] RBP: 00007ffe4da83c00 R08: 00007ffe4da83d80 R09: 000000000000000c
[   90.292291][ T1532] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb586e1a0b0
[   90.292292][ T1532] R13: 00007ffe4da83d08 R14: 00007fb5888d601a R15: 00007ffe4da840f8
| [   92.377498][ T1605] softirqs last disabled at (379906): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   92.377500][ T1605] Preemption disabled at:
| [   92.377501][ T1605] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.377509][ T1605] Tainted: [W]=WARN
[   92.377510][ T1605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.377512][ T1605] Call Trace:
[   92.377513][ T1605]  <TASK>
[   92.377515][ T1605]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.377521][ T1605]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.377523][ T1605]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.377527][ T1605]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.377531][ T1605]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   92.377536][ T1605]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   92.377538][ T1605]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.377544][ T1605]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   92.377547][ T1605]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.377550][ T1605]  put_chars (drivers/char/virtio_console.c:1176)
[   92.377553][ T1605]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.377556][ T1605]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.377559][ T1605]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.377564][ T1605]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.377568][ T1605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.377570][ T1605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.377574][ T1605]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.377578][ T1605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.377580][ T1605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.377584][ T1605]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.377588][ T1605]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.377590][ T1605]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   92.377598][ T1605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.377600][ T1605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.377604][ T1605]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.377608][ T1605]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.377610][ T1605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.377616][ T1605]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.377619][ T1605]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.377621][ T1605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.377622][ T1605]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   92.377626][ T1605]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.377628][ T1605]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.377631][ T1605]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.377634][ T1605]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.377639][ T1605]  _printk (kernel/printk/printk.c:2504)
[   92.377643][ T1605]  ? snapshot_read.cold (user.c:?)
[   92.377645][ T1605]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   92.377649][ T1605]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   92.377653][ T1605]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   92.377654][ T1605]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   92.377658][ T1605]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   92.377662][ T1605]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   92.377665][ T1605]  ? netdev_notice (net/core/dev.c:13194)
[   92.377667][ T1605]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   92.377675][ T1605]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   92.377678][ T1605]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   92.377681][ T1605]  netif_set_promiscuity (net/core/dev.c:9699)
[   92.377685][ T1605]  dev_set_promiscuity (net/core/dev_api.c:288)
[   92.377687][ T1605]  ? dev_disable_lro (net/core/dev_api.c:267)
[   92.377689][ T1605] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   92.377695][ T1605] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   92.377700][ T1605] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   92.377704][ T1605]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   92.377708][ T1605] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   92.377714][ T1605]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   92.377717][ T1605]  ? __nla_validate_parse (lib/nlattr.c:635)
[   92.377723][ T1605]  ? __nla_parse (lib/nlattr.c:732)
[   92.377726][ T1605]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   92.377731][ T1605]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   92.377734][ T1605]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   92.377742][ T1605]  ? security_capable (security/security.c:660 (discriminator 11))
[   92.377747][ T1605]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   92.377750][ T1605]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   92.377753][ T1605]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.377755][ T1605]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   92.377759][ T1605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.377765][ T1605]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   92.377768][ T1605]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   92.377770][ T1605]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   92.377773][ T1605]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.377780][ T1605]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   92.377783][ T1605]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   92.377787][ T1605]  genl_rcv (net/netlink/genetlink.c:1218)
[   92.377789][ T1605]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.377793][ T1605]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.377795][ T1605]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   92.377800][ T1605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.377803][ T1605]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   92.377807][ T1605]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   92.377809][ T1605]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.377812][ T1605]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.377817][ T1605]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   92.377820][ T1605]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   92.377824][ T1605]  __sys_sendto (net/socket.c:2281)
[   92.377827][ T1605]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   92.377832][ T1605]  ? do_futex (kernel/futex/syscalls.c:133)
[   92.377835][ T1605]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[   92.377841][ T1605]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   92.377848][ T1605]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   92.377850][ T1605]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.377854][ T1605]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   92.377856][ T1605]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   92.377859][ T1605]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   92.377860][ T1605]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   92.377863][ T1605]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.377865][ T1605] RIP: 0033:0x7f21ac965312
[   92.377869][ T1605] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   92.377871][ T1605] RSP: 002b:00007ffd44741348 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   92.377873][ T1605] RAX: ffffffffffffffda RBX: 00007ffd44741478 RCX: 00007f21ac965312
[   92.377875][ T1605] RDX: 0000000000000034 RSI: 00007f21a856a6b0 RDI: 0000000000000023
[   92.377876][ T1605] RBP: 00007ffd44741370 R08: 00007ffd447414f0 R09: 000000000000000c
[   92.377876][ T1605] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21aa7be190
[   92.377877][ T1605] R13: 00007ffd44741478 R14: 00007f21ac28401a R15: 00007ffd44741868
| [   93.728322][ T1643] softirqs last disabled at (383778): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   93.728324][ T1643] Preemption disabled at:
| [   93.728325][ T1643] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.728334][ T1643] Tainted: [W]=WARN
[   93.728334][ T1643] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.728336][ T1643] Call Trace:
[   93.728338][ T1643]  <TASK>
[   93.728339][ T1643]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.728345][ T1643]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.728347][ T1643]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.728352][ T1643]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.728356][ T1643]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   93.728360][ T1643]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   93.728362][ T1643]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.728368][ T1643]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   93.728371][ T1643]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.728375][ T1643]  put_chars (drivers/char/virtio_console.c:1176)
[   93.728377][ T1643]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.728381][ T1643]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.728384][ T1643]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   93.728388][ T1643]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.728392][ T1643]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.728394][ T1643]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.728398][ T1643]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.728402][ T1643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.728404][ T1643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.728408][ T1643]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.728412][ T1643]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.728414][ T1643]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   93.728417][ T1643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.728419][ T1643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.728423][ T1643]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.728427][ T1643]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.728429][ T1643]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.728434][ T1643]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.728437][ T1643]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.728439][ T1643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.728440][ T1643]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   93.728444][ T1643]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.728446][ T1643]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.728449][ T1643]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.728452][ T1643]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.728457][ T1643]  _printk (kernel/printk/printk.c:2504)
[   93.728461][ T1643]  ? snapshot_read.cold (user.c:?)
[   93.728463][ T1643]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   93.728466][ T1643]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   93.728470][ T1643]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   93.728472][ T1643]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   93.728476][ T1643]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   93.728479][ T1643]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   93.728482][ T1643]  ? netdev_notice (net/core/dev.c:13194)
[   93.728484][ T1643]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   93.728493][ T1643]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   93.728495][ T1643]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   93.728499][ T1643]  netif_set_promiscuity (net/core/dev.c:9699)
[   93.728503][ T1643]  dev_set_promiscuity (net/core/dev_api.c:288)
[   93.728505][ T1643]  ? dev_disable_lro (net/core/dev_api.c:267)
[   93.728507][ T1643] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   93.728512][ T1643] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   93.728517][ T1643] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   93.728521][ T1643]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   93.728526][ T1643] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   93.728531][ T1643]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   93.728535][ T1643]  ? __nla_validate_parse (lib/nlattr.c:635)
[   93.728541][ T1643]  ? __nla_parse (lib/nlattr.c:732)
[   93.728543][ T1643]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   93.728548][ T1643]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   93.728551][ T1643]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   93.728560][ T1643]  ? security_capable (security/security.c:660 (discriminator 11))
[   93.728564][ T1643]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   93.728568][ T1643]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   93.728570][ T1643]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.728572][ T1643]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   93.728576][ T1643]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.728582][ T1643]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   93.728585][ T1643]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.728587][ T1643]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   93.728590][ T1643]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.728602][ T1643]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   93.728605][ T1643]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   93.728609][ T1643]  genl_rcv (net/netlink/genetlink.c:1218)
[   93.728611][ T1643]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.728615][ T1643]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.728619][ T1643]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.728622][ T1643]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.728626][ T1643]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   93.728628][ T1643]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.728631][ T1643]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.728636][ T1643]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   93.728639][ T1643]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   93.728643][ T1643]  __sys_sendto (net/socket.c:2281)
[   93.728646][ T1643]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   93.728656][ T1643]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   93.728663][ T1643]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   93.728665][ T1643]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.728668][ T1643]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   93.728670][ T1643]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   93.728673][ T1643]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.728674][ T1643]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   93.728677][ T1643]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.728679][ T1643] RIP: 0033:0x7fa641c8f312
[   93.728683][ T1643] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   93.728684][ T1643] RSP: 002b:00007ffcc52b69a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   93.728687][ T1643] RAX: ffffffffffffffda RBX: 00007ffcc52b6ad8 RCX: 00007fa641c8f312
[   93.728688][ T1643] RDX: 0000000000000034 RSI: 00007fa63d8a31f0 RDI: 0000000000000023
[   93.728689][ T1643] RBP: 00007ffcc52b69d0 R08: 00007ffcc52b6b50 R09: 000000000000000c
[   93.728690][ T1643] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa63faf2270
[   93.728691][ T1643] R13: 00007ffcc52b6ad8 R14: 00007fa6415ae01a R15: 00007ffcc52b6ec8
| [   95.165865][ T1675] softirqs last disabled at (370856): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   95.165867][ T1675] Preemption disabled at:
| [   95.165868][ T1675] vprintk_emit (kernel/printk/printk.c:2471)
| [   95.165876][ T1675] Tainted: [W]=WARN
[   95.165877][ T1675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.165879][ T1675] Call Trace:
[   95.165880][ T1675]  <TASK>
[   95.165882][ T1675]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   95.165888][ T1675]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   95.165890][ T1675]  __might_resched.cold (kernel/sched/core.c:9234)
[   95.165894][ T1675]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   95.165898][ T1675]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   95.165903][ T1675]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   95.165904][ T1675]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.165911][ T1675]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   95.165913][ T1675]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.165917][ T1675]  put_chars (drivers/char/virtio_console.c:1176)
[   95.165919][ T1675]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   95.165920][ T1675]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   95.165924][ T1675]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   95.165930][ T1675]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   95.165937][ T1675]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   95.165940][ T1675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.165942][ T1675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.165946][ T1675]  console_emit_next_record (kernel/printk/printk.c:3183)
[   95.165950][ T1675]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   95.165952][ T1675]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   95.165955][ T1675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.165957][ T1675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.165961][ T1675]  console_flush_one_record (kernel/printk/printk.c:3268)
[   95.165965][ T1675]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   95.165967][ T1675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.165972][ T1675]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   95.165975][ T1675]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   95.165977][ T1675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.165978][ T1675]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   95.165982][ T1675]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   95.165984][ T1675]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   95.165987][ T1675]  vprintk_emit (kernel/printk/printk.c:2479)
[   95.165990][ T1675]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   95.165991][ T1675]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   95.165996][ T1675]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   95.166001][ T1675]  _printk (kernel/printk/printk.c:2504)
[   95.166005][ T1675]  ? snapshot_read.cold (user.c:?)
[   95.166009][ T1675]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   95.166013][ T1675]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   95.166016][ T1675]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   95.166019][ T1675]  ? netdev_notice (net/core/dev.c:13194)
[   95.166021][ T1675]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   95.166025][ T1675]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   95.166030][ T1675]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   95.166033][ T1675]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   95.166036][ T1675]  netif_set_promiscuity (net/core/dev.c:9699)
[   95.166040][ T1675]  dev_set_promiscuity (net/core/dev_api.c:288)
[   95.166042][ T1675]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.166045][ T1675] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   95.166049][ T1675]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[   95.166053][ T1675] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[   95.166056][ T1675] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[   95.166064][ T1675]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   95.166067][ T1675]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   95.166076][ T1675]  ? security_capable (security/security.c:660 (discriminator 11))
[   95.166080][ T1675]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   95.166084][ T1675]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   95.166086][ T1675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   95.166089][ T1675]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[   95.166093][ T1675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.166099][ T1675]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   95.166102][ T1675]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.166104][ T1675]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   95.166108][ T1675]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   95.166115][ T1675]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   95.166117][ T1675]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   95.166122][ T1675]  genl_rcv (net/netlink/genetlink.c:1218)
[   95.166124][ T1675]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.166128][ T1675]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   95.166130][ T1675]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   95.166134][ T1675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.166138][ T1675]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.166142][ T1675]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   95.166143][ T1675]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.166146][ T1675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.166151][ T1675]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   95.166154][ T1675]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   95.166158][ T1675]  __sys_sendto (net/socket.c:2281)
[   95.166161][ T1675]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   95.166163][ T1675]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   95.166168][ T1675]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   95.166175][ T1675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.166179][ T1675]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   95.166181][ T1675]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.166185][ T1675]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   95.166187][ T1675]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   95.166190][ T1675]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.166192][ T1675]  ? irq_exit_rcu (kernel/softirq.c:786)
[   95.166196][ T1675]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.166198][ T1675] RIP: 0033:0x7f1c8674a312
[   95.166201][ T1675] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   95.166203][ T1675] RSP: 002b:00007fff92f9d388 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   95.166206][ T1675] RAX: ffffffffffffffda RBX: 00007fff92f9d4b8 RCX: 00007f1c8674a312
[   95.166207][ T1675] RDX: 0000000000000024 RSI: 00007f1c8234f7b0 RDI: 0000000000000023
[   95.166208][ T1675] RBP: 00007fff92f9d3b0 R08: 00007fff92f9d530 R09: 000000000000000c
[   95.166209][ T1675] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1c845aa270
[   95.166210][ T1675] R13: 00007fff92f9d4b8 R14: 00007f1c8606901a R15: 00007fff92f9d8a8
| [   96.698289][ T1711] softirqs last disabled at (387010): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   96.698291][ T1711] Preemption disabled at:
| [   96.698292][ T1711] vprintk_emit (kernel/printk/printk.c:2471)
| [   96.698300][ T1711] Tainted: [W]=WARN
[   96.698301][ T1711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.698303][ T1711] Call Trace:
[   96.698304][ T1711]  <TASK>
[   96.698306][ T1711]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   96.698316][ T1711]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   96.698317][ T1711]  __might_resched.cold (kernel/sched/core.c:9234)
[   96.698322][ T1711]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   96.698326][ T1711]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   96.698330][ T1711]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   96.698332][ T1711]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.698338][ T1711]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   96.698341][ T1711]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.698344][ T1711]  put_chars (drivers/char/virtio_console.c:1176)
[   96.698347][ T1711]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   96.698348][ T1711]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   96.698351][ T1711]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   96.698356][ T1711]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   96.698364][ T1711]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   96.698366][ T1711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.698368][ T1711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.698372][ T1711]  console_emit_next_record (kernel/printk/printk.c:3183)
[   96.698376][ T1711]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   96.698377][ T1711]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   96.698381][ T1711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.698382][ T1711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.698386][ T1711]  console_flush_one_record (kernel/printk/printk.c:3268)
[   96.698390][ T1711]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   96.698392][ T1711]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.698397][ T1711]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   96.698400][ T1711]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   96.698401][ T1711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.698403][ T1711]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   96.698407][ T1711]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   96.698408][ T1711]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   96.698411][ T1711]  vprintk_emit (kernel/printk/printk.c:2479)
[   96.698414][ T1711]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   96.698416][ T1711]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.698420][ T1711]  _printk (kernel/printk/printk.c:2504)
[   96.698424][ T1711]  ? snapshot_read.cold (user.c:?)
[   96.698426][ T1711]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   96.698431][ T1711]  ? idr_get_free (??:?)
[   96.698434][ T1711]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[   96.698443][ T1711] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[   96.698451][ T1711]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   96.698455][ T1711]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   96.698457][ T1711]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[   96.698459][ T1711]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   96.698461][ T1711]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   96.698464][ T1711]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.698466][ T1711]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.698467][ T1711]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   96.698469][ T1711]  ? __sys_sendto (net/socket.c:2281)
[   96.698471][ T1711]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   96.698490][ T1711]  ? __nla_parse (lib/nlattr.c:732)
[   96.698494][ T1711]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   96.698498][ T1711]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   96.698502][ T1711]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   96.698509][ T1711]  ? security_capable (security/security.c:660 (discriminator 11))
[   96.698513][ T1711]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   96.698517][ T1711]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   96.698519][ T1711]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   96.698522][ T1711]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   96.698526][ T1711]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.698531][ T1711]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   96.698535][ T1711]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.698536][ T1711]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   96.698540][ T1711]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   96.698546][ T1711]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   96.698548][ T1711]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   96.698552][ T1711]  genl_rcv (net/netlink/genetlink.c:1218)
[   96.698554][ T1711]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.698558][ T1711]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   96.698561][ T1711]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.698565][ T1711]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.698569][ T1711]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   96.698570][ T1711]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.698573][ T1711]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.698578][ T1711]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   96.698580][ T1711]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   96.698583][ T1711]  __sys_sendto (net/socket.c:2281)
[   96.698586][ T1711]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   96.698596][ T1711]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   96.698601][ T1711]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   96.698603][ T1711]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   96.698607][ T1711]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   96.698613][ T1711]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   96.698616][ T1711]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.698618][ T1711]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   96.698620][ T1711]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.698622][ T1711] RIP: 0033:0x7ff5c9324312
[   96.698626][ T1711] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[   96.698627][ T1711] RSP: 002b:00007ffd0403e538 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   96.698630][ T1711] RAX: ffffffffffffffda RBX: 00007ffd0403e668 RCX: 00007ff5c9324312
[   96.698631][ T1711] RDX: 00000000000000e4 RSI: 00007ff5c4f18f30 RDI: 0000000000000026
[   96.698632][ T1711] RBP: 00007ffd0403e560 R08: 00007ffd0403e6e0 R09: 000000000000000c
[   96.698633][ T1711] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff5c718e2e0
[   96.698634][ T1711] R13: 00007ffd0403e668 R14: 00007ff5c8c4301a R15: 00007ffd0403ea58
| [   97.907117][ T1759] softirqs last disabled at (23516): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   97.907119][ T1759] Preemption disabled at:
| [   97.907120][ T1759] vprintk_emit (kernel/printk/printk.c:2471)
| [   97.907128][ T1759] Tainted: [W]=WARN
[   97.907129][ T1759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.907130][ T1759] Call Trace:
[   97.907132][ T1759]  <TASK>
[   97.907133][ T1759]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   97.907139][ T1759]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   97.907140][ T1759]  __might_resched.cold (kernel/sched/core.c:9234)
[   97.907145][ T1759]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   97.907149][ T1759]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   97.907153][ T1759]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   97.907155][ T1759]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.907161][ T1759]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   97.907164][ T1759]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.907167][ T1759]  put_chars (drivers/char/virtio_console.c:1176)
[   97.907169][ T1759]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   97.907171][ T1759]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   97.907174][ T1759]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   97.907177][ T1759]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   97.907180][ T1759]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   97.907184][ T1759]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   97.907188][ T1759]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   97.907190][ T1759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.907192][ T1759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.907195][ T1759]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   97.907198][ T1759]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   97.907201][ T1759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.907203][ T1759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.907207][ T1759]  console_emit_next_record (kernel/printk/printk.c:3183)
[   97.907211][ T1759]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   97.907212][ T1759]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   97.907216][ T1759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.907217][ T1759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.907221][ T1759]  console_flush_one_record (kernel/printk/printk.c:3268)
[   97.907225][ T1759]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   97.907227][ T1759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.907232][ T1759]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   97.907235][ T1759]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   97.907237][ T1759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.907238][ T1759]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   97.907242][ T1759]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   97.907244][ T1759]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   97.907246][ T1759]  vprintk_emit (kernel/printk/printk.c:2479)
[   97.907249][ T1759]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   97.907251][ T1759]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   97.907255][ T1759]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   97.907260][ T1759]  _printk (kernel/printk/printk.c:2504)
[   97.907264][ T1759]  ? snapshot_read.cold (user.c:?)
[   97.907268][ T1759]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   97.907272][ T1759]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   97.907276][ T1759]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   97.907278][ T1759]  ? netdev_notice (net/core/dev.c:13194)
[   97.907280][ T1759]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   97.907284][ T1759]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   97.907289][ T1759]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.907292][ T1759]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   97.907295][ T1759]  netif_set_promiscuity (net/core/dev.c:9699)
[   97.907299][ T1759]  dev_set_promiscuity (net/core/dev_api.c:288)
[   97.907301][ T1759]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.907303][ T1759] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   97.907313][ T1759] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   97.907317][ T1759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.907320][ T1759]  notifier_call_chain (kernel/notifier.c:85)
[   97.907326][ T1759]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   97.907330][ T1759]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   97.907338][ T1759]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   97.907339][ T1759]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   97.907341][ T1759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.907343][ T1759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.907345][ T1759]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   97.907366][ T1759]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.907368][ T1759]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.907371][ T1759]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.907373][ T1759]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   97.907375][ T1759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.907379][ T1759]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.907381][ T1759]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.907383][ T1759]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   97.907385][ T1759]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.907388][ T1759]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   97.907390][ T1759]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.907394][ T1759]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.907395][ T1759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.907399][ T1759]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.907401][ T1759]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.907405][ T1759]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   97.907408][ T1759]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.907411][ T1759]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   97.907417][ T1759]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   97.907419][ T1759]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   97.907423][ T1759]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.907427][ T1759]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   97.907430][ T1759]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.907434][ T1759]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.907438][ T1759]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   97.907442][ T1759]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.907443][ T1759]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   97.907449][ T1759]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   97.907452][ T1759]  ____sys_sendmsg (net/socket.c:2713)
[   97.907455][ T1759]  ? copy_msghdr_from_user (net/socket.c:2650)
[   97.907457][ T1759]  ? sock_write_iter (net/socket.c:1269)
[   97.907458][ T1759]  ? move_addr_to_kernel (net/socket.c:258)
[   97.907466][ T1759]  ___sys_sendmsg (net/socket.c:2767)
[   97.907468][ T1759]  ? copy_msghdr_from_user (net/socket.c:2619)
[   97.907484][ T1759]  __sys_sendmsg (net/socket.c:2799)
[   97.907487][ T1759]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   97.907493][ T1759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.907496][ T1759]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.907500][ T1759]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   97.907502][ T1759]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.907505][ T1759] RIP: 0033:0x7f504b9d754e
[   97.907508][ T1759] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[   97.907510][ T1759] RSP: 002b:00007ffcd26e93b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   97.907512][ T1759] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f504b9d754e
[   97.907514][ T1759] RDX: 0000000000000000 RSI: 00007ffcd26e9460 RDI: 0000000000000005
[   97.907515][ T1759] RBP: 00007ffcd26e93c0 R08: 0000000000000000 R09: 0000000000000000
[   97.907515][ T1759] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bda2
[   97.907516][ T1759] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd26e9b20
| [  101.492115][ T1826] softirqs last disabled at (378784): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  101.492117][ T1826] Preemption disabled at:
| [  101.492118][ T1826] vprintk_emit (kernel/printk/printk.c:2471)
| [  101.492127][ T1826] Tainted: [W]=WARN
[  101.492127][ T1826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.492129][ T1826] Call Trace:
[  101.492131][ T1826]  <TASK>
[  101.492132][ T1826]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  101.492139][ T1826]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  101.492140][ T1826]  __might_resched.cold (kernel/sched/core.c:9234)
[  101.492145][ T1826]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  101.492149][ T1826]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  101.492154][ T1826]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  101.492155][ T1826]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.492162][ T1826]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.492165][ T1826]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.492169][ T1826]  put_chars (drivers/char/virtio_console.c:1176)
[  101.492171][ T1826]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  101.492178][ T1826]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  101.492186][ T1826]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  101.492189][ T1826]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.492194][ T1826]  console_emit_next_record (kernel/printk/printk.c:3183)
[  101.492199][ T1826]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  101.492201][ T1826]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  101.492204][ T1826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.492207][ T1826]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.492211][ T1826]  console_flush_one_record (kernel/printk/printk.c:3268)
[  101.492216][ T1826]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  101.492218][ T1826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.492223][ T1826]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  101.492226][ T1826]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  101.492228][ T1826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.492230][ T1826]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  101.492235][ T1826]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  101.492237][ T1826]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  101.492239][ T1826]  vprintk_emit (kernel/printk/printk.c:2479)
[  101.492243][ T1826]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  101.492244][ T1826]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  101.492247][ T1826]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  101.492250][ T1826]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  101.492252][ T1826]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  101.492257][ T1826]  _printk (kernel/printk/printk.c:2504)
[  101.492261][ T1826]  ? snapshot_read.cold (user.c:?)
[  101.492266][ T1826]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  101.492270][ T1826]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  101.492274][ T1826]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  101.492277][ T1826]  ? netdev_notice (net/core/dev.c:13194)
[  101.492280][ T1826]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  101.492283][ T1826]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  101.492289][ T1826]  ? register_netdevice (net/core/dev.c:11556)
[  101.492292][ T1826]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  101.492295][ T1826]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  101.492297][ T1826]  ? unregister_netdev (net/core/dev.c:12699)
[  101.492299][ T1826]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  101.492303][ T1826]  netif_set_promiscuity (net/core/dev.c:9699)
[  101.492306][ T1826]  dev_set_promiscuity (net/core/dev_api.c:288)
[  101.492313][ T1826] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  101.492321][ T1826] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  101.492326][ T1826] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  101.492332][ T1826] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  101.492340][ T1826]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  101.492344][ T1826]  ? __nla_validate_parse (lib/nlattr.c:635)
[  101.492350][ T1826]  ? __nla_parse (lib/nlattr.c:732)
[  101.492353][ T1826]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  101.492358][ T1826]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  101.492362][ T1826]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  101.492371][ T1826]  ? security_capable (security/security.c:660 (discriminator 11))
[  101.492375][ T1826]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  101.492379][ T1826]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  101.492382][ T1826]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.492385][ T1826]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  101.492389][ T1826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.492395][ T1826]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  101.492398][ T1826]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  101.492400][ T1826]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  101.492404][ T1826]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.492412][ T1826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.492414][ T1826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.492418][ T1826]  genl_rcv (net/netlink/genetlink.c:1218)
[  101.492420][ T1826]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.492424][ T1826]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.492428][ T1826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.492432][ T1826]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  101.492436][ T1826]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  101.492438][ T1826]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.492441][ T1826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.492446][ T1826]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  101.492449][ T1826]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  101.492453][ T1826]  __sys_sendto (net/socket.c:2281)
[  101.492456][ T1826]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  101.492468][ T1826]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  101.492474][ T1826]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  101.492476][ T1826]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.492480][ T1826]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  101.492481][ T1826]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  101.492484][ T1826]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  101.492486][ T1826]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  101.492488][ T1826]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.492491][ T1826] RIP: 0033:0x7f7c634a8312
[  101.492495][ T1826] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  101.492496][ T1826] RSP: 002b:00007ffc46d761c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  101.492499][ T1826] RAX: ffffffffffffffda RBX: 00007ffc46d762f8 RCX: 00007f7c634a8312
[  101.492500][ T1826] RDX: 0000000000000030 RSI: 00007f7c600bad30 RDI: 0000000000000020
[  101.492501][ T1826] RBP: 00007ffc46d761f0 R08: 00007ffc46d76370 R09: 000000000000000c
[  101.492502][ T1826] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7c613120b0
[  101.492503][ T1826] R13: 00007ffc46d762f8 R14: 00007f7c62dc701a R15: 00007ffc46d766e8
| [  102.824706][ T1874] softirqs last disabled at (390208): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  102.824708][ T1874] Preemption disabled at:
| [  102.824709][ T1874] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.824717][ T1874] Tainted: [W]=WARN
[  102.824718][ T1874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.824720][ T1874] Call Trace:
[  102.824721][ T1874]  <TASK>
[  102.824723][ T1874]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.824729][ T1874]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.824731][ T1874]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.824735][ T1874]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.824739][ T1874]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  102.824744][ T1874]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  102.824746][ T1874]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.824752][ T1874]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  102.824755][ T1874]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.824759][ T1874]  put_chars (drivers/char/virtio_console.c:1176)
[  102.824761][ T1874]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.824764][ T1874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.824767][ T1874]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.824772][ T1874]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.824776][ T1874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.824777][ T1874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.824782][ T1874]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.824786][ T1874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.824788][ T1874]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.824792][ T1874]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.824796][ T1874]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.824798][ T1874]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  102.824801][ T1874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.824803][ T1874]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.824807][ T1874]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.824811][ T1874]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.824813][ T1874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.824818][ T1874]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.824821][ T1874]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.824823][ T1874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.824824][ T1874]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  102.824828][ T1874]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.824830][ T1874]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.824832][ T1874]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.824836][ T1874]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.824841][ T1874]  _printk (kernel/printk/printk.c:2504)
[  102.824845][ T1874]  ? snapshot_read.cold (user.c:?)
[  102.824847][ T1874]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  102.824850][ T1874]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  102.824854][ T1874]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  102.824856][ T1874]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  102.824860][ T1874]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  102.824863][ T1874]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  102.824866][ T1874]  ? netdev_notice (net/core/dev.c:13194)
[  102.824868][ T1874]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  102.824877][ T1874]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  102.824879][ T1874]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  102.824883][ T1874]  netif_set_promiscuity (net/core/dev.c:9699)
[  102.824886][ T1874]  dev_set_promiscuity (net/core/dev_api.c:288)
[  102.824888][ T1874]  ? dev_disable_lro (net/core/dev_api.c:267)
[  102.824890][ T1874] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  102.824896][ T1874] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  102.824901][ T1874] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  102.824905][ T1874]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  102.824909][ T1874] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  102.824915][ T1874]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  102.824919][ T1874]  ? __nla_validate_parse (lib/nlattr.c:635)
[  102.824925][ T1874]  ? __nla_parse (lib/nlattr.c:732)
[  102.824927][ T1874]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  102.824932][ T1874]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  102.824935][ T1874]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  102.824943][ T1874]  ? security_capable (security/security.c:660 (discriminator 11))
[  102.824948][ T1874]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  102.824951][ T1874]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  102.824954][ T1874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.824956][ T1874]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  102.824960][ T1874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.824965][ T1874]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  102.824969][ T1874]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.824971][ T1874]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  102.824974][ T1874]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.824981][ T1874]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  102.824983][ T1874]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  102.824987][ T1874]  genl_rcv (net/netlink/genetlink.c:1218)
[  102.824990][ T1874]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.824993][ T1874]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.824997][ T1874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.825001][ T1874]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.825005][ T1874]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.825006][ T1874]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.825009][ T1874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.825014][ T1874]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.825017][ T1874]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  102.825021][ T1874]  __sys_sendto (net/socket.c:2281)
[  102.825024][ T1874]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  102.825034][ T1874]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  102.825041][ T1874]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  102.825043][ T1874]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  102.825046][ T1874]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  102.825048][ T1874]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  102.825050][ T1874]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.825052][ T1874]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.825055][ T1874]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.825057][ T1874] RIP: 0033:0x7f9f98dc2312
[  102.825061][ T1874] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  102.825062][ T1874] RSP: 002b:00007ffeca8d6f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  102.825065][ T1874] RAX: ffffffffffffffda RBX: 00007ffeca8d7098 RCX: 00007f9f98dc2312
[  102.825066][ T1874] RDX: 0000000000000034 RSI: 00007f9f949d41b0 RDI: 0000000000000023
[  102.825067][ T1874] RBP: 00007ffeca8d6f90 R08: 00007ffeca8d7110 R09: 000000000000000c
[  102.825068][ T1874] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f96c22190
[  102.825068][ T1874] R13: 00007ffeca8d7098 R14: 00007f9f986e101a R15: 00007ffeca8d7488
| [  105.615192][ T1905] softirqs last disabled at (19430): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  105.615195][ T1905] Preemption disabled at:
| [  105.615195][ T1905] vprintk_emit (kernel/printk/printk.c:2471)
| [  105.615204][ T1905] Tainted: [W]=WARN
[  105.615204][ T1905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.615206][ T1905] Call Trace:
[  105.615208][ T1905]  <TASK>
[  105.615209][ T1905]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  105.615216][ T1905]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  105.615217][ T1905]  __might_resched.cold (kernel/sched/core.c:9234)
[  105.615222][ T1905]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  105.615226][ T1905]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  105.615230][ T1905]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  105.615232][ T1905]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.615238][ T1905]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  105.615241][ T1905]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.615245][ T1905]  put_chars (drivers/char/virtio_console.c:1176)
[  105.615246][ T1905]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  105.615249][ T1905]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  105.615251][ T1905]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  105.615254][ T1905]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  105.615257][ T1905]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  105.615261][ T1905]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  105.615265][ T1905]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  105.615267][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.615268][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.615272][ T1905]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  105.615275][ T1905]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  105.615278][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.615280][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.615284][ T1905]  console_emit_next_record (kernel/printk/printk.c:3183)
[  105.615288][ T1905]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  105.615289][ T1905]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  105.615292][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.615294][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.615298][ T1905]  console_flush_one_record (kernel/printk/printk.c:3268)
[  105.615302][ T1905]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  105.615304][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.615309][ T1905]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  105.615314][ T1905]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  105.615316][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.615318][ T1905]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  105.615321][ T1905]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  105.615323][ T1905]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  105.615326][ T1905]  vprintk_emit (kernel/printk/printk.c:2479)
[  105.615329][ T1905]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  105.615331][ T1905]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[  105.615335][ T1905]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  105.615340][ T1905]  _printk (kernel/printk/printk.c:2504)
[  105.615343][ T1905]  ? snapshot_read.cold (user.c:?)
[  105.615348][ T1905]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  105.615351][ T1905]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  105.615355][ T1905]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  105.615358][ T1905]  ? netdev_notice (net/core/dev.c:13194)
[  105.615360][ T1905]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  105.615364][ T1905]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  105.615369][ T1905]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  105.615371][ T1905]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  105.615375][ T1905]  netif_set_promiscuity (net/core/dev.c:9699)
[  105.615378][ T1905]  dev_set_promiscuity (net/core/dev_api.c:288)
[  105.615380][ T1905]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  105.615383][ T1905] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  105.615391][ T1905] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  105.615395][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.615397][ T1905]  notifier_call_chain (kernel/notifier.c:85)
[  105.615403][ T1905]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  105.615408][ T1905]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  105.615415][ T1905]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  105.615416][ T1905]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  105.615418][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.615420][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.615422][ T1905]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  105.615443][ T1905]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  105.615445][ T1905]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  105.615448][ T1905]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  105.615449][ T1905]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  105.615452][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.615456][ T1905]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  105.615458][ T1905]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  105.615460][ T1905]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  105.615461][ T1905]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  105.615465][ T1905]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  105.615467][ T1905]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.615470][ T1905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.615472][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.615476][ T1905]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  105.615478][ T1905]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  105.615481][ T1905]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.615484][ T1905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.615487][ T1905]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.615493][ T1905]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  105.615495][ T1905]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  105.615500][ T1905]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.615504][ T1905]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.615506][ T1905]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  105.615510][ T1905]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.615514][ T1905]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  105.615518][ T1905]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  105.615520][ T1905]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  105.615525][ T1905]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  105.615529][ T1905]  ____sys_sendmsg (net/socket.c:2713)
[  105.615532][ T1905]  ? copy_msghdr_from_user (net/socket.c:2650)
[  105.615534][ T1905]  ? sock_write_iter (net/socket.c:1269)
[  105.615535][ T1905]  ? move_addr_to_kernel (net/socket.c:258)
[  105.615542][ T1905]  ___sys_sendmsg (net/socket.c:2767)
[  105.615545][ T1905]  ? copy_msghdr_from_user (net/socket.c:2619)
[  105.615561][ T1905]  __sys_sendmsg (net/socket.c:2799)
[  105.615564][ T1905]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  105.615570][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.615573][ T1905]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.615577][ T1905]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  105.615580][ T1905]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.615582][ T1905] RIP: 0033:0x7ff2ac96554e
[  105.615585][ T1905] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  105.615587][ T1905] RSP: 002b:00007ffeaa7616f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  105.615590][ T1905] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff2ac96554e
[  105.615591][ T1905] RDX: 0000000000000000 RSI: 00007ffeaa7617a0 RDI: 0000000000000005
[  105.615592][ T1905] RBP: 00007ffeaa761700 R08: 0000000000000000 R09: 0000000000000000
[  105.615592][ T1905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bda9
[  105.615593][ T1905] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaa761e60
| [  108.616170][ T1958] softirqs last disabled at (400002): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  108.616172][ T1958] Preemption disabled at:
| [  108.616173][ T1958] vprintk_emit (kernel/printk/printk.c:2471)
| [  108.616181][ T1958] Tainted: [W]=WARN
[  108.616182][ T1958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.616184][ T1958] Call Trace:
[  108.616186][ T1958]  <TASK>
[  108.616187][ T1958]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  108.616193][ T1958]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  108.616195][ T1958]  __might_resched.cold (kernel/sched/core.c:9234)
[  108.616200][ T1958]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  108.616204][ T1958]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  108.616208][ T1958]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  108.616210][ T1958]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.616216][ T1958]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  108.616219][ T1958]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.616223][ T1958]  put_chars (drivers/char/virtio_console.c:1176)
[  108.616226][ T1958]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  108.616232][ T1958]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  108.616240][ T1958]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  108.616243][ T1958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.616248][ T1958]  console_emit_next_record (kernel/printk/printk.c:3183)
[  108.616252][ T1958]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  108.616254][ T1958]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  108.616257][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.616260][ T1958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.616264][ T1958]  console_flush_one_record (kernel/printk/printk.c:3268)
[  108.616268][ T1958]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  108.616270][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.616275][ T1958]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  108.616278][ T1958]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  108.616280][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.616282][ T1958]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  108.616286][ T1958]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  108.616287][ T1958]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  108.616290][ T1958]  vprintk_emit (kernel/printk/printk.c:2479)
[  108.616293][ T1958]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  108.616294][ T1958]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  108.616297][ T1958]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  108.616300][ T1958]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  108.616302][ T1958]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  108.616307][ T1958]  _printk (kernel/printk/printk.c:2504)
[  108.616313][ T1958]  ? snapshot_read.cold (user.c:?)
[  108.616317][ T1958]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  108.616321][ T1958]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  108.616325][ T1958]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  108.616328][ T1958]  ? netdev_notice (net/core/dev.c:13194)
[  108.616331][ T1958]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  108.616334][ T1958]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  108.616339][ T1958]  ? register_netdevice (net/core/dev.c:11556)
[  108.616342][ T1958]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  108.616344][ T1958]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  108.616346][ T1958]  ? unregister_netdev (net/core/dev.c:12699)
[  108.616348][ T1958]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  108.616351][ T1958]  netif_set_promiscuity (net/core/dev.c:9699)
[  108.616355][ T1958]  dev_set_promiscuity (net/core/dev_api.c:288)
[  108.616358][ T1958] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  108.616363][ T1958] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  108.616368][ T1958] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  108.616373][ T1958] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  108.616381][ T1958]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  108.616384][ T1958]  ? __nla_validate_parse (lib/nlattr.c:635)
[  108.616390][ T1958]  ? __nla_parse (lib/nlattr.c:732)
[  108.616393][ T1958]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  108.616397][ T1958]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  108.616401][ T1958]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  108.616409][ T1958]  ? security_capable (security/security.c:660 (discriminator 11))
[  108.616413][ T1958]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  108.616417][ T1958]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  108.616420][ T1958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  108.616423][ T1958]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  108.616427][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.616432][ T1958]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  108.616435][ T1958]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  108.616437][ T1958]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  108.616441][ T1958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.616448][ T1958]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  108.616450][ T1958]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  108.616454][ T1958]  genl_rcv (net/netlink/genetlink.c:1218)
[  108.616456][ T1958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.616460][ T1958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.616464][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.616467][ T1958]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  108.616471][ T1958]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  108.616473][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  108.616476][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  108.616481][ T1958]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  108.616484][ T1958]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  108.616487][ T1958]  __sys_sendto (net/socket.c:2281)
[  108.616490][ T1958]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  108.616501][ T1958]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  108.616507][ T1958]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  108.616509][ T1958]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  108.616512][ T1958]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  108.616514][ T1958]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  108.616516][ T1958]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  108.616518][ T1958]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  108.616521][ T1958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.616523][ T1958] RIP: 0033:0x7fd0ffd63312
[  108.616527][ T1958] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  108.616528][ T1958] RSP: 002b:00007ffcc8c14638 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  108.616531][ T1958] RAX: ffffffffffffffda RBX: 00007ffcc8c14768 RCX: 00007fd0ffd63312
[  108.616532][ T1958] RDX: 0000000000000034 RSI: 00007fd0fc164d70 RDI: 0000000000000020
[  108.616533][ T1958] RBP: 00007ffcc8c14660 R08: 00007ffcc8c147e0 R09: 000000000000000c
[  108.616534][ T1958] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd0fdbc60b0
[  108.616535][ T1958] R13: 00007ffcc8c14768 R14: 00007fd0ff68201a R15: 00007ffcc8c14b58
| [  110.095014][ T2009] softirqs last disabled at (400656): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  110.095017][ T2009] Preemption disabled at:
| [  110.095018][ T2009] vprintk_emit (kernel/printk/printk.c:2471)
| [  110.095030][ T2009] Tainted: [W]=WARN
[  110.095031][ T2009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.095033][ T2009] Call Trace:
[  110.095035][ T2009]  <TASK>
[  110.095038][ T2009]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  110.095046][ T2009]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  110.095048][ T2009]  __might_resched.cold (kernel/sched/core.c:9234)
[  110.095054][ T2009]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  110.095060][ T2009]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  110.095066][ T2009]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  110.095069][ T2009]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.095077][ T2009]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  110.095080][ T2009]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.095085][ T2009]  put_chars (drivers/char/virtio_console.c:1176)
[  110.095089][ T2009]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  110.095094][ T2009]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  110.095097][ T2009]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  110.095104][ T2009]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  110.095109][ T2009]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.095111][ T2009]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.095118][ T2009]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  110.095123][ T2009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.095126][ T2009]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.095133][ T2009]  console_emit_next_record (kernel/printk/printk.c:3183)
[  110.095140][ T2009]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  110.095142][ T2009]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  110.095148][ T2009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.095151][ T2009]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.095157][ T2009]  console_flush_one_record (kernel/printk/printk.c:3268)
[  110.095165][ T2009]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  110.095168][ T2009]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.095177][ T2009]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  110.095181][ T2009]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  110.095184][ T2009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.095187][ T2009]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  110.095194][ T2009]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  110.095196][ T2009]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  110.095201][ T2009]  vprintk_emit (kernel/printk/printk.c:2479)
[  110.095206][ T2009]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  110.095216][ T2009]  _printk (kernel/printk/printk.c:2504)
[  110.095221][ T2009]  ? snapshot_read.cold (user.c:?)
[  110.095225][ T2009]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  110.095229][ T2009]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  110.095234][ T2009]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  110.095236][ T2009]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  110.095242][ T2009]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  110.095248][ T2009]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  110.095252][ T2009]  ? netdev_notice (net/core/dev.c:13194)
[  110.095255][ T2009]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  110.095271][ T2009]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.095275][ T2009]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  110.095281][ T2009]  netif_set_promiscuity (net/core/dev.c:9699)
[  110.095286][ T2009]  dev_set_promiscuity (net/core/dev_api.c:288)
[  110.095289][ T2009]  ? dev_disable_lro (net/core/dev_api.c:267)
[  110.095293][ T2009] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  110.095301][ T2009] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  110.095315][ T2009] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  110.095322][ T2009]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  110.095329][ T2009] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  110.095339][ T2009]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  110.095345][ T2009]  ? __nla_validate_parse (lib/nlattr.c:635)
[  110.095354][ T2009]  ? __nla_parse (lib/nlattr.c:732)
[  110.095358][ T2009]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  110.095366][ T2009]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  110.095372][ T2009]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  110.095386][ T2009]  ? security_capable (security/security.c:660 (discriminator 11))
[  110.095392][ T2009]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  110.095398][ T2009]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  110.095402][ T2009]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  110.095405][ T2009]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  110.095413][ T2009]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.095423][ T2009]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  110.095428][ T2009]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  110.095431][ T2009]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  110.095437][ T2009]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  110.095450][ T2009]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  110.095452][ T2009]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  110.095459][ T2009]  genl_rcv (net/netlink/genetlink.c:1218)
[  110.095462][ T2009]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  110.095469][ T2009]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  110.095475][ T2009]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.095480][ T2009]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  110.095487][ T2009]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  110.095490][ T2009]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  110.095494][ T2009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  110.095503][ T2009]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  110.095507][ T2009]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  110.095512][ T2009]  __sys_sendto (net/socket.c:2281)
[  110.095517][ T2009]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  110.095537][ T2009]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  110.095548][ T2009]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  110.095551][ T2009]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.095556][ T2009]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  110.095559][ T2009]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  110.095562][ T2009]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  110.095565][ T2009]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  110.095569][ T2009]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  110.095573][ T2009] RIP: 0033:0x7f3192dda312
[  110.095578][ T2009] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  110.095580][ T2009] RSP: 002b:00007fff1ce58938 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  110.095584][ T2009] RAX: ffffffffffffffda RBX: 00007fff1ce58a68 RCX: 00007f3192dda312
[  110.095586][ T2009] RDX: 0000000000000034 RSI: 00007f3190059770 RDI: 0000000000000023
[  110.095588][ T2009] RBP: 00007fff1ce58960 R08: 00007fff1ce58ae0 R09: 000000000000000c
[  110.095589][ T2009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3190c3a190
[  110.095591][ T2009] R13: 00007fff1ce58a68 R14: 00007f31926f901a R15: 00007fff1ce58e58
| [  111.986111][ T2047] softirqs last disabled at (386686): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  111.986113][ T2047] Preemption disabled at:
| [  111.986114][ T2047] vprintk_emit (kernel/printk/printk.c:2471)
| [  111.986122][ T2047] Tainted: [W]=WARN
[  111.986123][ T2047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.986124][ T2047] Call Trace:
[  111.986126][ T2047]  <TASK>
[  111.986127][ T2047]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  111.986133][ T2047]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  111.986135][ T2047]  __might_resched.cold (kernel/sched/core.c:9234)
[  111.986139][ T2047]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  111.986143][ T2047]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  111.986147][ T2047]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  111.986149][ T2047]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.986155][ T2047]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  111.986158][ T2047]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.986162][ T2047]  put_chars (drivers/char/virtio_console.c:1176)
[  111.986165][ T2047]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  111.986168][ T2047]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.986171][ T2047]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  111.986176][ T2047]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  111.986180][ T2047]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.986181][ T2047]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.986186][ T2047]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  111.986190][ T2047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.986192][ T2047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.986196][ T2047]  console_emit_next_record (kernel/printk/printk.c:3183)
[  111.986201][ T2047]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  111.986202][ T2047]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  111.986206][ T2047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.986207][ T2047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.986212][ T2047]  console_flush_one_record (kernel/printk/printk.c:3268)
[  111.986216][ T2047]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  111.986218][ T2047]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.986223][ T2047]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  111.986226][ T2047]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  111.986228][ T2047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.986230][ T2047]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  111.986234][ T2047]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  111.986236][ T2047]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  111.986238][ T2047]  vprintk_emit (kernel/printk/printk.c:2479)
[  111.986241][ T2047]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  111.986247][ T2047]  _printk (kernel/printk/printk.c:2504)
[  111.986251][ T2047]  ? snapshot_read.cold (user.c:?)
[  111.986253][ T2047]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  111.986256][ T2047]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  111.986259][ T2047]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.986261][ T2047]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  111.986263][ T2047]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  111.986267][ T2047]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  111.986271][ T2047]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  111.986274][ T2047]  ? netdev_notice (net/core/dev.c:13194)
[  111.986275][ T2047]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  111.986284][ T2047]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.986287][ T2047]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  111.986290][ T2047]  netif_set_promiscuity (net/core/dev.c:9699)
[  111.986294][ T2047]  dev_set_promiscuity (net/core/dev_api.c:288)
[  111.986296][ T2047]  ? dev_disable_lro (net/core/dev_api.c:267)
[  111.986298][ T2047] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  111.986303][ T2047] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  111.986308][ T2047] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  111.986315][ T2047]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  111.986319][ T2047] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  111.986325][ T2047]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  111.986329][ T2047]  ? __nla_validate_parse (lib/nlattr.c:635)
[  111.986335][ T2047]  ? __nla_parse (lib/nlattr.c:732)
[  111.986337][ T2047]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  111.986342][ T2047]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  111.986345][ T2047]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  111.986354][ T2047]  ? security_capable (security/security.c:660 (discriminator 11))
[  111.986358][ T2047]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  111.986362][ T2047]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  111.986365][ T2047]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.986367][ T2047]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  111.986371][ T2047]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.986377][ T2047]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  111.986380][ T2047]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  111.986382][ T2047]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  111.986386][ T2047]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  111.986393][ T2047]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  111.986395][ T2047]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  111.986399][ T2047]  genl_rcv (net/netlink/genetlink.c:1218)
[  111.986401][ T2047]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  111.986405][ T2047]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  111.986409][ T2047]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.986412][ T2047]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  111.986416][ T2047]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  111.986418][ T2047]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  111.986421][ T2047]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.986426][ T2047]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  111.986429][ T2047]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  111.986433][ T2047]  __sys_sendto (net/socket.c:2281)
[  111.986436][ T2047]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  111.986441][ T2047]  ? do_futex (kernel/futex/syscalls.c:138)
[  111.986445][ T2047]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  111.986452][ T2047]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  111.986455][ T2047]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  111.986458][ T2047]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.986461][ T2047]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  111.986464][ T2047]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  111.986467][ T2047]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  111.986469][ T2047]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  111.986471][ T2047]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  111.986473][ T2047] RIP: 0033:0x7f678ce5a312
[  111.986477][ T2047] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  111.986479][ T2047] RSP: 002b:00007ffe45296b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  111.986481][ T2047] RAX: ffffffffffffffda RBX: 00007ffe45296c58 RCX: 00007f678ce5a312
[  111.986483][ T2047] RDX: 0000000000000038 RSI: 00007f6788aa26f0 RDI: 0000000000000023
[  111.986484][ T2047] RBP: 00007ffe45296b50 R08: 00007ffe45296cd0 R09: 000000000000000c
[  111.986484][ T2047] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f678acba190
[  111.986485][ T2047] R13: 00007ffe45296c58 R14: 00007f678c77901a R15: 00007ffe45297048
| [  118.432132][ T2174] softirqs last disabled at (21000): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  118.432134][ T2174] Preemption disabled at:
| [  118.432135][ T2174] vprintk_emit (kernel/printk/printk.c:2471)
| [  118.432144][ T2174] Tainted: [W]=WARN
[  118.432145][ T2174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.432146][ T2174] Call Trace:
[  118.432148][ T2174]  <TASK>
[  118.432150][ T2174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.432156][ T2174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  118.432158][ T2174]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.432162][ T2174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.432166][ T2174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  118.432170][ T2174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  118.432172][ T2174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.432179][ T2174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  118.432181][ T2174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.432185][ T2174]  put_chars (drivers/char/virtio_console.c:1176)
[  118.432187][ T2174]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  118.432189][ T2174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.432192][ T2174]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  118.432195][ T2174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  118.432198][ T2174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  118.432201][ T2174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.432206][ T2174]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  118.432207][ T2174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.432209][ T2174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.432213][ T2174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.432215][ T2174]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  118.432219][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.432221][ T2174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.432225][ T2174]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.432228][ T2174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.432230][ T2174]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  118.432233][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.432235][ T2174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.432239][ T2174]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.432243][ T2174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.432245][ T2174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.432250][ T2174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.432252][ T2174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.432254][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.432256][ T2174]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  118.432260][ T2174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.432261][ T2174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.432264][ T2174]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.432267][ T2174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.432270][ T2174]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  118.432273][ T2174]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  118.432281][ T2174]  _printk (kernel/printk/printk.c:2504)
[  118.432285][ T2174]  ? snapshot_read.cold (user.c:?)
[  118.432289][ T2174]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  118.432293][ T2174]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  118.432297][ T2174]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  118.432300][ T2174]  ? netdev_notice (net/core/dev.c:13194)
[  118.432301][ T2174]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  118.432306][ T2174]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  118.432313][ T2174]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  118.432315][ T2174]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  118.432319][ T2174]  netif_set_promiscuity (net/core/dev.c:9699)
[  118.432323][ T2174]  dev_set_promiscuity (net/core/dev_api.c:288)
[  118.432325][ T2174]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  118.432328][ T2174] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  118.432335][ T2174] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  118.432339][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.432341][ T2174]  notifier_call_chain (kernel/notifier.c:85)
[  118.432347][ T2174]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  118.432352][ T2174]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  118.432359][ T2174]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  118.432361][ T2174]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  118.432363][ T2174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.432364][ T2174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.432367][ T2174]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  118.432387][ T2174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  118.432389][ T2174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  118.432392][ T2174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.432394][ T2174]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  118.432396][ T2174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.432401][ T2174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  118.432403][ T2174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  118.432404][ T2174]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  118.432406][ T2174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.432410][ T2174]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  118.432412][ T2174]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.432415][ T2174]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.432416][ T2174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.432421][ T2174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  118.432423][ T2174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  118.432426][ T2174]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.432429][ T2174]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.432432][ T2174]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.432438][ T2174]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  118.432440][ T2174]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  118.432445][ T2174]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.432448][ T2174]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.432451][ T2174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  118.432455][ T2174]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.432459][ T2174]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  118.432462][ T2174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.432464][ T2174]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  118.432469][ T2174]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  118.432473][ T2174]  ____sys_sendmsg (net/socket.c:2713)
[  118.432475][ T2174]  ? copy_msghdr_from_user (net/socket.c:2650)
[  118.432478][ T2174]  ? sock_write_iter (net/socket.c:1269)
[  118.432479][ T2174]  ? move_addr_to_kernel (net/socket.c:258)
[  118.432486][ T2174]  ___sys_sendmsg (net/socket.c:2767)
[  118.432489][ T2174]  ? copy_msghdr_from_user (net/socket.c:2619)
[  118.432504][ T2174]  __sys_sendmsg (net/socket.c:2799)
[  118.432507][ T2174]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  118.432513][ T2174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.432516][ T2174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.432520][ T2174]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  118.432523][ T2174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.432525][ T2174] RIP: 0033:0x7fec7f27954e
[  118.432528][ T2174] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  118.432530][ T2174] RSP: 002b:00007ffe31700be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  118.432533][ T2174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fec7f27954e
[  118.432534][ T2174] RDX: 0000000000000000 RSI: 00007ffe31700c90 RDI: 0000000000000005
[  118.432535][ T2174] RBP: 00007ffe31700bf0 R08: 0000000000000000 R09: 0000000000000000
[  118.432536][ T2174] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bdb6
[  118.432537][ T2174] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe31701350
| [  122.040637][ T2236] softirqs last disabled at (385326): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  122.040640][ T2236] Preemption disabled at:
| [  122.040640][ T2236] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.040649][ T2236] Tainted: [W]=WARN
[  122.040650][ T2236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.040651][ T2236] Call Trace:
[  122.040653][ T2236]  <TASK>
[  122.040654][ T2236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.040660][ T2236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.040662][ T2236]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.040667][ T2236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.040671][ T2236]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  122.040675][ T2236]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  122.040677][ T2236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.040683][ T2236]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  122.040686][ T2236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.040690][ T2236]  put_chars (drivers/char/virtio_console.c:1176)
[  122.040692][ T2236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.040695][ T2236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  122.040704][ T2236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  122.040706][ T2236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  122.040711][ T2236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.040715][ T2236]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  122.040716][ T2236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.040718][ T2236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.040722][ T2236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.040724][ T2236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  122.040728][ T2236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.040732][ T2236]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.040736][ T2236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.040738][ T2236]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  122.040741][ T2236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.040743][ T2236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.040747][ T2236]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.040751][ T2236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.040753][ T2236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.040758][ T2236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.040761][ T2236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.040763][ T2236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.040765][ T2236]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  122.040768][ T2236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.040770][ T2236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.040773][ T2236]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.040776][ T2236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.040778][ T2236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.040780][ T2236]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  122.040784][ T2236]  _printk (kernel/printk/printk.c:2504)
[  122.040788][ T2236]  ? snapshot_read.cold (user.c:?)
[  122.040789][ T2236]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  122.040795][ T2236]  ? idr_get_free (??:?)
[  122.040800][ T2236]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  122.040809][ T2236]  ? nla_get_range_signed (lib/nlattr.c:270)
[  122.040815][ T2236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.040816][ T2236]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  122.040820][ T2236]  __nla_validate_parse (lib/nlattr.c:635)
[  122.040825][ T2236]  __nla_parse (lib/nlattr.c:732)
[  122.040828][ T2236]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  122.040832][ T2236]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  122.040836][ T2236]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  122.040844][ T2236]  ? security_capable (security/security.c:660 (discriminator 11))
[  122.040848][ T2236]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  122.040851][ T2236]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  122.040854][ T2236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  122.040856][ T2236]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  122.040864][ T2236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.040870][ T2236]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  122.040873][ T2236]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.040875][ T2236]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  122.040879][ T2236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.040885][ T2236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  122.040887][ T2236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  122.040891][ T2236]  genl_rcv (net/netlink/genetlink.c:1218)
[  122.040893][ T2236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.040897][ T2236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.040901][ T2236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.040904][ T2236]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.040908][ T2236]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.040910][ T2236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  122.040913][ T2236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.040918][ T2236]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  122.040920][ T2236]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  122.040924][ T2236]  __sys_sendto (net/socket.c:2281)
[  122.040927][ T2236]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  122.040938][ T2236]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  122.040943][ T2236]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  122.040945][ T2236]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  122.040949][ T2236]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  122.040950][ T2236]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  122.040953][ T2236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.040955][ T2236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.040957][ T2236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.040959][ T2236] RIP: 0033:0x7fcb5cca8312
[  122.040963][ T2236] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  122.040965][ T2236] RSP: 002b:00007ffc92f59528 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  122.040968][ T2236] RAX: ffffffffffffffda RBX: 00007ffc92f59658 RCX: 00007fcb5cca8312
[  122.040969][ T2236] RDX: 0000000000000048 RSI: 00007fcb5aa0b820 RDI: 0000000000000020
[  122.040970][ T2236] RBP: 00007ffc92f59550 R08: 00007ffc92f596d0 R09: 000000000000000c
[  122.040971][ T2236] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcb5ab120b0
[  122.040972][ T2236] R13: 00007ffc92f59658 R14: 00007fcb5c5c701a R15: 00007ffc92f59a48
| [  123.308753][ T2285] softirqs last disabled at (351998): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  123.308755][ T2285] Preemption disabled at:
| [  123.308756][ T2285] vprintk_emit (kernel/printk/printk.c:2471)
| [  123.308764][ T2285] Tainted: [W]=WARN
[  123.308765][ T2285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  123.308767][ T2285] Call Trace:
[  123.308768][ T2285]  <TASK>
[  123.308770][ T2285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  123.308776][ T2285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  123.308778][ T2285]  __might_resched.cold (kernel/sched/core.c:9234)
[  123.308782][ T2285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  123.308787][ T2285]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  123.308791][ T2285]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  123.308793][ T2285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.308800][ T2285]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  123.308802][ T2285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.308806][ T2285]  put_chars (drivers/char/virtio_console.c:1176)
[  123.308809][ T2285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  123.308812][ T2285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  123.308815][ T2285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  123.308819][ T2285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  123.308823][ T2285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.308825][ T2285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.308829][ T2285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  123.308833][ T2285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.308835][ T2285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.308839][ T2285]  console_emit_next_record (kernel/printk/printk.c:3183)
[  123.308843][ T2285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  123.308845][ T2285]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  123.308849][ T2285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.308851][ T2285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.308855][ T2285]  console_flush_one_record (kernel/printk/printk.c:3268)
[  123.308859][ T2285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  123.308861][ T2285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.308866][ T2285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  123.308869][ T2285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  123.308871][ T2285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.308873][ T2285]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  123.308876][ T2285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  123.308878][ T2285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  123.308881][ T2285]  vprintk_emit (kernel/printk/printk.c:2479)
[  123.308884][ T2285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  123.308889][ T2285]  _printk (kernel/printk/printk.c:2504)
[  123.308893][ T2285]  ? snapshot_read.cold (user.c:?)
[  123.308895][ T2285]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  123.308899][ T2285]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  123.308903][ T2285]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  123.308904][ T2285]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  123.308908][ T2285]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  123.308912][ T2285]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  123.308915][ T2285]  ? netdev_notice (net/core/dev.c:13194)
[  123.308917][ T2285]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  123.308925][ T2285]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  123.308928][ T2285]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  123.308931][ T2285]  netif_set_promiscuity (net/core/dev.c:9699)
[  123.308935][ T2285]  dev_set_promiscuity (net/core/dev_api.c:288)
[  123.308937][ T2285]  ? dev_disable_lro (net/core/dev_api.c:267)
[  123.308939][ T2285] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  123.308945][ T2285] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  123.308949][ T2285] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  123.308954][ T2285]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  123.308958][ T2285] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  123.308964][ T2285]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  123.308967][ T2285]  ? __nla_validate_parse (lib/nlattr.c:635)
[  123.308973][ T2285]  ? __nla_parse (lib/nlattr.c:732)
[  123.308976][ T2285]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  123.308981][ T2285]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  123.308984][ T2285]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  123.308992][ T2285]  ? security_capable (security/security.c:660 (discriminator 11))
[  123.308997][ T2285]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  123.309000][ T2285]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  123.309003][ T2285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  123.309005][ T2285]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  123.309009][ T2285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.309015][ T2285]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  123.309018][ T2285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  123.309020][ T2285]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  123.309023][ T2285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  123.309031][ T2285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  123.309033][ T2285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  123.309037][ T2285]  genl_rcv (net/netlink/genetlink.c:1218)
[  123.309039][ T2285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  123.309043][ T2285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  123.309046][ T2285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.309050][ T2285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  123.309054][ T2285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  123.309056][ T2285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  123.309059][ T2285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  123.309064][ T2285]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  123.309066][ T2285]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  123.309070][ T2285]  __sys_sendto (net/socket.c:2281)
[  123.309073][ T2285]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  123.309084][ T2285]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  123.309090][ T2285]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  123.309093][ T2285]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  123.309096][ T2285]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  123.309098][ T2285]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  123.309101][ T2285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  123.309102][ T2285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  123.309105][ T2285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  123.309107][ T2285] RIP: 0033:0x7f72014fb312
[  123.309111][ T2285] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  123.309113][ T2285] RSP: 002b:00007ffc0832f128 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  123.309115][ T2285] RAX: ffffffffffffffda RBX: 00007ffc0832f258 RCX: 00007f72014fb312
[  123.309117][ T2285] RDX: 0000000000000030 RSI: 00007f71e6f0a730 RDI: 0000000000000023
[  123.309118][ T2285] RBP: 00007ffc0832f150 R08: 00007ffc0832f2d0 R09: 000000000000000c
[  123.309119][ T2285] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f71ff35e190
[  123.309120][ T2285] R13: 00007ffc0832f258 R14: 00007f7200e1a01a R15: 00007ffc0832f648
| [  124.560926][ T2323] softirqs last disabled at (383134): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  124.560928][ T2323] Preemption disabled at:
| [  124.560929][ T2323] vprintk_emit (kernel/printk/printk.c:2471)
| [  124.560937][ T2323] Tainted: [W]=WARN
[  124.560938][ T2323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  124.560940][ T2323] Call Trace:
[  124.560941][ T2323]  <TASK>
[  124.560943][ T2323]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  124.560949][ T2323]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  124.560951][ T2323]  __might_resched.cold (kernel/sched/core.c:9234)
[  124.560955][ T2323]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  124.560959][ T2323]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  124.560964][ T2323]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  124.560965][ T2323]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.560972][ T2323]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  124.560975][ T2323]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.560979][ T2323]  put_chars (drivers/char/virtio_console.c:1176)
[  124.560981][ T2323]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  124.560984][ T2323]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  124.560988][ T2323]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  124.560992][ T2323]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  124.560997][ T2323]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  124.560998][ T2323]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  124.561003][ T2323]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  124.561007][ T2323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.561009][ T2323]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.561013][ T2323]  console_emit_next_record (kernel/printk/printk.c:3183)
[  124.561018][ T2323]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  124.561020][ T2323]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  124.561023][ T2323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.561025][ T2323]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.561029][ T2323]  console_flush_one_record (kernel/printk/printk.c:3268)
[  124.561033][ T2323]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  124.561035][ T2323]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  124.561041][ T2323]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  124.561043][ T2323]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  124.561045][ T2323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.561047][ T2323]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  124.561051][ T2323]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  124.561052][ T2323]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  124.561055][ T2323]  vprintk_emit (kernel/printk/printk.c:2479)
[  124.561058][ T2323]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  124.561064][ T2323]  _printk (kernel/printk/printk.c:2504)
[  124.561068][ T2323]  ? snapshot_read.cold (user.c:?)
[  124.561070][ T2323]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  124.561073][ T2323]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  124.561077][ T2323]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  124.561079][ T2323]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  124.561083][ T2323]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  124.561087][ T2323]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  124.561090][ T2323]  ? netdev_notice (net/core/dev.c:13194)
[  124.561091][ T2323]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  124.561101][ T2323]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  124.561103][ T2323]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  124.561107][ T2323]  netif_set_promiscuity (net/core/dev.c:9699)
[  124.561111][ T2323]  dev_set_promiscuity (net/core/dev_api.c:288)
[  124.561113][ T2323]  ? dev_disable_lro (net/core/dev_api.c:267)
[  124.561115][ T2323] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  124.561120][ T2323] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  124.561125][ T2323] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  124.561129][ T2323]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  124.561134][ T2323] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  124.561140][ T2323]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  124.561143][ T2323]  ? __nla_validate_parse (lib/nlattr.c:635)
[  124.561149][ T2323]  ? __nla_parse (lib/nlattr.c:732)
[  124.561152][ T2323]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  124.561157][ T2323]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  124.561160][ T2323]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  124.561168][ T2323]  ? security_capable (security/security.c:660 (discriminator 11))
[  124.561173][ T2323]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  124.561177][ T2323]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  124.561179][ T2323]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  124.561181][ T2323]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  124.561186][ T2323]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  124.561191][ T2323]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  124.561195][ T2323]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  124.561197][ T2323]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  124.561200][ T2323]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  124.561207][ T2323]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  124.561209][ T2323]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  124.561213][ T2323]  genl_rcv (net/netlink/genetlink.c:1218)
[  124.561215][ T2323]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  124.561219][ T2323]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  124.561223][ T2323]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  124.561227][ T2323]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  124.561231][ T2323]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  124.561232][ T2323]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  124.561235][ T2323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  124.561240][ T2323]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  124.561243][ T2323]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  124.561247][ T2323]  __sys_sendto (net/socket.c:2281)
[  124.561250][ T2323]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  124.561261][ T2323]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  124.561267][ T2323]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  124.561269][ T2323]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  124.561273][ T2323]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  124.561275][ T2323]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  124.561277][ T2323]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  124.561279][ T2323]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  124.561282][ T2323]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  124.561284][ T2323] RIP: 0033:0x7f4f092aa312
[  124.561288][ T2323] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  124.561289][ T2323] RSP: 002b:00007ffe974b3138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  124.561292][ T2323] RAX: ffffffffffffffda RBX: 00007ffe974b3268 RCX: 00007f4f092aa312
[  124.561293][ T2323] RDX: 0000000000000030 RSI: 00007f4f04ef1f30 RDI: 0000000000000023
[  124.561294][ T2323] RBP: 00007ffe974b3160 R08: 00007ffe974b32e0 R09: 000000000000000c
[  124.561295][ T2323] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f0710a270
[  124.561296][ T2323] R13: 00007ffe974b3268 R14: 00007f4f08bc901a R15: 00007ffe974b3658
| [  148.743615][ T2495] softirqs last disabled at (21434): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  148.743617][ T2495] Preemption disabled at:
| [  148.743618][ T2495] vprintk_emit (kernel/printk/printk.c:2471)
| [  148.743627][ T2495] Tainted: [W]=WARN
[  148.743628][ T2495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.743630][ T2495] Call Trace:
[  148.743631][ T2495]  <TASK>
[  148.743633][ T2495]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  148.743639][ T2495]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  148.743641][ T2495]  __might_resched.cold (kernel/sched/core.c:9234)
[  148.743645][ T2495]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.743649][ T2495]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  148.743653][ T2495]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  148.743655][ T2495]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.743662][ T2495]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  148.743665][ T2495]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.743668][ T2495]  put_chars (drivers/char/virtio_console.c:1176)
[  148.743670][ T2495]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  148.743672][ T2495]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  148.743675][ T2495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  148.743678][ T2495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  148.743681][ T2495]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  148.743685][ T2495]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  148.743689][ T2495]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  148.743691][ T2495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.743693][ T2495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.743697][ T2495]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  148.743700][ T2495]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  148.743703][ T2495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.743705][ T2495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.743709][ T2495]  console_emit_next_record (kernel/printk/printk.c:3183)
[  148.743713][ T2495]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  148.743714][ T2495]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  148.743718][ T2495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.743719][ T2495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.743723][ T2495]  console_flush_one_record (kernel/printk/printk.c:3268)
[  148.743727][ T2495]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  148.743730][ T2495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.743735][ T2495]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  148.743737][ T2495]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  148.743739][ T2495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.743741][ T2495]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  148.743745][ T2495]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  148.743746][ T2495]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  148.743749][ T2495]  vprintk_emit (kernel/printk/printk.c:2479)
[  148.743752][ T2495]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  148.743754][ T2495]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  148.743757][ T2495]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  148.743766][ T2495]  _printk (kernel/printk/printk.c:2504)
[  148.743770][ T2495]  ? snapshot_read.cold (user.c:?)
[  148.743774][ T2495]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  148.743778][ T2495]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  148.743781][ T2495]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  148.743784][ T2495]  ? netdev_notice (net/core/dev.c:13194)
[  148.743786][ T2495]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  148.743794][ T2495]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  148.743799][ T2495]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  148.743801][ T2495]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  148.743805][ T2495]  netif_set_promiscuity (net/core/dev.c:9699)
[  148.743808][ T2495]  dev_set_promiscuity (net/core/dev_api.c:288)
[  148.743810][ T2495]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  148.743814][ T2495] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  148.743821][ T2495] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  148.743825][ T2495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.743827][ T2495]  notifier_call_chain (kernel/notifier.c:85)
[  148.743833][ T2495]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  148.743837][ T2495]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  148.743844][ T2495]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  148.743846][ T2495]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  148.743848][ T2495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.743850][ T2495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.743852][ T2495]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  148.743873][ T2495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  148.743875][ T2495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  148.743878][ T2495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  148.743879][ T2495]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  148.743882][ T2495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.743886][ T2495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  148.743888][ T2495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  148.743890][ T2495]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  148.743891][ T2495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  148.743895][ T2495]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  148.743897][ T2495]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  148.743900][ T2495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  148.743902][ T2495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.743906][ T2495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  148.743908][ T2495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  148.743911][ T2495]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  148.743914][ T2495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  148.743917][ T2495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  148.743923][ T2495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  148.743925][ T2495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  148.743930][ T2495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  148.743933][ T2495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  148.743936][ T2495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  148.743940][ T2495]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  148.743944][ T2495]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  148.743947][ T2495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  148.743949][ T2495]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  148.743954][ T2495]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  148.743959][ T2495]  ____sys_sendmsg (net/socket.c:2713)
[  148.743961][ T2495]  ? copy_msghdr_from_user (net/socket.c:2650)
[  148.743963][ T2495]  ? sock_write_iter (net/socket.c:1269)
[  148.743965][ T2495]  ? move_addr_to_kernel (net/socket.c:258)
[  148.743972][ T2495]  ___sys_sendmsg (net/socket.c:2767)
[  148.743974][ T2495]  ? copy_msghdr_from_user (net/socket.c:2619)
[  148.743990][ T2495]  __sys_sendmsg (net/socket.c:2799)
[  148.743993][ T2495]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  148.743999][ T2495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.744002][ T2495]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  148.744006][ T2495]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  148.744008][ T2495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  148.744011][ T2495] RIP: 0033:0x7ff5b887a54e
[  148.744014][ T2495] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  148.744016][ T2495] RSP: 002b:00007ffe7e267d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  148.744019][ T2495] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff5b887a54e
[  148.744020][ T2495] RDX: 0000000000000000 RSI: 00007ffe7e267df0 RDI: 0000000000000005
[  148.744021][ T2495] RBP: 00007ffe7e267d50 R08: 0000000000000000 R09: 0000000000000000
[  148.744022][ T2495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bdd5
[  148.744023][ T2495] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7e2684b0
| [  151.760680][ T2552] softirqs last disabled at (386988): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  151.760683][ T2552] Preemption disabled at:
| [  151.760683][ T2552] vprintk_emit (kernel/printk/printk.c:2471)
| [  151.760692][ T2552] Tainted: [W]=WARN
[  151.760693][ T2552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  151.760694][ T2552] Call Trace:
[  151.760696][ T2552]  <TASK>
[  151.760697][ T2552]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  151.760704][ T2552]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  151.760706][ T2552]  __might_resched.cold (kernel/sched/core.c:9234)
[  151.760710][ T2552]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  151.760714][ T2552]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  151.760719][ T2552]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  151.760721][ T2552]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.760728][ T2552]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  151.760730][ T2552]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.760734][ T2552]  put_chars (drivers/char/virtio_console.c:1176)
[  151.760737][ T2552]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  151.760739][ T2552]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  151.760743][ T2552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  151.760746][ T2552]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  151.760750][ T2552]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  151.760754][ T2552]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  151.760756][ T2552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.760757][ T2552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.760762][ T2552]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  151.760764][ T2552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  151.760768][ T2552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.760772][ T2552]  console_emit_next_record (kernel/printk/printk.c:3183)
[  151.760776][ T2552]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  151.760778][ T2552]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  151.760782][ T2552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.760783][ T2552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.760788][ T2552]  console_flush_one_record (kernel/printk/printk.c:3268)
[  151.760792][ T2552]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  151.760794][ T2552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.760805][ T2552]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  151.760808][ T2552]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  151.760810][ T2552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.760812][ T2552]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  151.760816][ T2552]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  151.760818][ T2552]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  151.760820][ T2552]  vprintk_emit (kernel/printk/printk.c:2479)
[  151.760824][ T2552]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  151.760826][ T2552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  151.760828][ T2552]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  151.760832][ T2552]  _printk (kernel/printk/printk.c:2504)
[  151.760836][ T2552]  ? snapshot_read.cold (user.c:?)
[  151.760838][ T2552]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  151.760844][ T2552]  ? idr_get_free (??:?)
[  151.760849][ T2552]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  151.760858][ T2552]  ? nla_get_range_signed (lib/nlattr.c:270)
[  151.760864][ T2552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.760866][ T2552]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  151.760870][ T2552]  __nla_validate_parse (lib/nlattr.c:635)
[  151.760875][ T2552]  __nla_parse (lib/nlattr.c:732)
[  151.760877][ T2552]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  151.760882][ T2552]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  151.760886][ T2552]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  151.760894][ T2552]  ? security_capable (security/security.c:660 (discriminator 11))
[  151.760898][ T2552]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  151.760902][ T2552]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  151.760905][ T2552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  151.760908][ T2552]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  151.760916][ T2552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.760922][ T2552]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  151.760925][ T2552]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.760927][ T2552]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  151.760931][ T2552]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  151.760938][ T2552]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  151.760940][ T2552]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  151.760944][ T2552]  genl_rcv (net/netlink/genetlink.c:1218)
[  151.760946][ T2552]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.760950][ T2552]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  151.760954][ T2552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.760957][ T2552]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.760961][ T2552]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  151.760963][ T2552]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  151.760966][ T2552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  151.760971][ T2552]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  151.760974][ T2552]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  151.760978][ T2552]  __sys_sendto (net/socket.c:2281)
[  151.760981][ T2552]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  151.760991][ T2552]  ? fput_close_sync (fs/file_table.c:617)
[  151.760995][ T2552]  ? alloc_file_clone (fs/file_table.c:479)
[  151.760999][ T2552]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  151.761001][ T2552]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  151.761005][ T2552]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  151.761008][ T2552]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  151.761010][ T2552]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.761012][ T2552]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  151.761015][ T2552]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.761017][ T2552] RIP: 0033:0x7f4d06cc5312
[  151.761021][ T2552] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  151.761022][ T2552] RSP: 002b:00007fff61b78568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  151.761025][ T2552] RAX: ffffffffffffffda RBX: 00007fff61b78698 RCX: 00007f4d06cc5312
[  151.761027][ T2552] RDX: 0000000000000044 RSI: 00007f4d04086c90 RDI: 0000000000000020
[  151.761028][ T2552] RBP: 00007fff61b78590 R08: 00007fff61b78710 R09: 000000000000000c
[  151.761029][ T2552] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4d04b1e120
[  151.761030][ T2552] R13: 00007fff61b78698 R14: 00007f4d065e401a R15: 00007fff61b78a88
| [  153.073860][ T2602] softirqs last disabled at (379380): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  153.073862][ T2602] Preemption disabled at:
| [  153.073862][ T2602] vprintk_emit (kernel/printk/printk.c:2471)
| [  153.073871][ T2602] Tainted: [W]=WARN
[  153.073872][ T2602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  153.073874][ T2602] Call Trace:
[  153.073875][ T2602]  <TASK>
[  153.073877][ T2602]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  153.073883][ T2602]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  153.073885][ T2602]  __might_resched.cold (kernel/sched/core.c:9234)
[  153.073889][ T2602]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  153.073893][ T2602]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  153.073897][ T2602]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  153.073899][ T2602]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.073906][ T2602]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  153.073908][ T2602]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.073912][ T2602]  put_chars (drivers/char/virtio_console.c:1176)
[  153.073915][ T2602]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  153.073918][ T2602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  153.073921][ T2602]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  153.073925][ T2602]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  153.073929][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.073931][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.073936][ T2602]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  153.073939][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.073941][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.073946][ T2602]  console_emit_next_record (kernel/printk/printk.c:3183)
[  153.073950][ T2602]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  153.073951][ T2602]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  153.073955][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.073957][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.073961][ T2602]  console_flush_one_record (kernel/printk/printk.c:3268)
[  153.073965][ T2602]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  153.073967][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.073972][ T2602]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  153.073975][ T2602]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  153.073977][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.073979][ T2602]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  153.073983][ T2602]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  153.073984][ T2602]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  153.073987][ T2602]  vprintk_emit (kernel/printk/printk.c:2479)
[  153.073990][ T2602]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  153.073996][ T2602]  _printk (kernel/printk/printk.c:2504)
[  153.073999][ T2602]  ? snapshot_read.cold (user.c:?)
[  153.074002][ T2602]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  153.074005][ T2602]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  153.074009][ T2602]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  153.074011][ T2602]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  153.074014][ T2602]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  153.074018][ T2602]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  153.074021][ T2602]  ? netdev_notice (net/core/dev.c:13194)
[  153.074023][ T2602]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  153.074032][ T2602]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  153.074035][ T2602]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  153.074038][ T2602]  netif_set_promiscuity (net/core/dev.c:9699)
[  153.074042][ T2602]  dev_set_promiscuity (net/core/dev_api.c:288)
[  153.074044][ T2602]  ? dev_disable_lro (net/core/dev_api.c:267)
[  153.074046][ T2602] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  153.074051][ T2602] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  153.074056][ T2602] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  153.074060][ T2602]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  153.074065][ T2602] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  153.074070][ T2602]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  153.074074][ T2602]  ? __nla_validate_parse (lib/nlattr.c:635)
[  153.074080][ T2602]  ? __nla_parse (lib/nlattr.c:732)
[  153.074082][ T2602]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  153.074087][ T2602]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  153.074091][ T2602]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  153.074099][ T2602]  ? security_capable (security/security.c:660 (discriminator 11))
[  153.074103][ T2602]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  153.074107][ T2602]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  153.074110][ T2602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  153.074112][ T2602]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  153.074116][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.074121][ T2602]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  153.074125][ T2602]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  153.074127][ T2602]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  153.074130][ T2602]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  153.074137][ T2602]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  153.074139][ T2602]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  153.074143][ T2602]  genl_rcv (net/netlink/genetlink.c:1218)
[  153.074145][ T2602]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  153.074149][ T2602]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  153.074153][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.074157][ T2602]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  153.074161][ T2602]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  153.074162][ T2602]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  153.074165][ T2602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  153.074170][ T2602]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  153.074173][ T2602]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  153.074177][ T2602]  __sys_sendto (net/socket.c:2281)
[  153.074180][ T2602]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  153.074191][ T2602]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  153.074197][ T2602]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  153.074199][ T2602]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  153.074203][ T2602]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  153.074205][ T2602]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  153.074207][ T2602]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  153.074209][ T2602]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  153.074212][ T2602]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  153.074214][ T2602] RIP: 0033:0x7f989e811312
[  153.074218][ T2602] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  153.074220][ T2602] RSP: 002b:00007ffe75e44c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  153.074222][ T2602] RAX: ffffffffffffffda RBX: 00007ffe75e44d38 RCX: 00007f989e811312
[  153.074224][ T2602] RDX: 0000000000000034 RSI: 00007f98982881f0 RDI: 0000000000000023
[  153.074225][ T2602] RBP: 00007ffe75e44c30 R08: 00007ffe75e44db0 R09: 000000000000000c
[  153.074225][ T2602] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f989c66a200
[  153.074226][ T2602] R13: 00007ffe75e44d38 R14: 00007f989e13001a R15: 00007ffe75e45128
| [  154.346154][ T2643] softirqs last disabled at (389432): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  154.346155][ T2643] Preemption disabled at:
| [  154.346156][ T2643] vprintk_emit (kernel/printk/printk.c:2471)
| [  154.346165][ T2643] Tainted: [W]=WARN
[  154.346166][ T2643] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  154.346167][ T2643] Call Trace:
[  154.346169][ T2643]  <TASK>
[  154.346170][ T2643]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  154.346177][ T2643]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  154.346179][ T2643]  __might_resched.cold (kernel/sched/core.c:9234)
[  154.346183][ T2643]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  154.346188][ T2643]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  154.346192][ T2643]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  154.346194][ T2643]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  154.346200][ T2643]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  154.346203][ T2643]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  154.346207][ T2643]  put_chars (drivers/char/virtio_console.c:1176)
[  154.346209][ T2643]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  154.346213][ T2643]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  154.346216][ T2643]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  154.346220][ T2643]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  154.346224][ T2643]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.346226][ T2643]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.346231][ T2643]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  154.346234][ T2643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.346237][ T2643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.346241][ T2643]  console_emit_next_record (kernel/printk/printk.c:3183)
[  154.346245][ T2643]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  154.346247][ T2643]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  154.346250][ T2643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.346252][ T2643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.346256][ T2643]  console_flush_one_record (kernel/printk/printk.c:3268)
[  154.346260][ T2643]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  154.346262][ T2643]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.346267][ T2643]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  154.346270][ T2643]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  154.346272][ T2643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.346274][ T2643]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  154.346277][ T2643]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  154.346279][ T2643]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  154.346282][ T2643]  vprintk_emit (kernel/printk/printk.c:2479)
[  154.346285][ T2643]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  154.346290][ T2643]  _printk (kernel/printk/printk.c:2504)
[  154.346294][ T2643]  ? snapshot_read.cold (user.c:?)
[  154.346297][ T2643]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  154.346300][ T2643]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  154.346304][ T2643]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  154.346306][ T2643]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  154.346313][ T2643]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  154.346317][ T2643]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  154.346321][ T2643]  ? netdev_notice (net/core/dev.c:13194)
[  154.346322][ T2643]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  154.346331][ T2643]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  154.346334][ T2643]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  154.346337][ T2643]  netif_set_promiscuity (net/core/dev.c:9699)
[  154.346341][ T2643]  dev_set_promiscuity (net/core/dev_api.c:288)
[  154.346343][ T2643]  ? dev_disable_lro (net/core/dev_api.c:267)
[  154.346345][ T2643] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  154.346351][ T2643] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  154.346356][ T2643] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  154.346360][ T2643]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  154.346364][ T2643] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  154.346370][ T2643]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  154.346373][ T2643]  ? __nla_validate_parse (lib/nlattr.c:635)
[  154.346380][ T2643]  ? __nla_parse (lib/nlattr.c:732)
[  154.346382][ T2643]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  154.346387][ T2643]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  154.346390][ T2643]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  154.346399][ T2643]  ? security_capable (security/security.c:660 (discriminator 11))
[  154.346403][ T2643]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  154.346407][ T2643]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  154.346409][ T2643]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  154.346411][ T2643]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  154.346415][ T2643]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.346421][ T2643]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  154.346424][ T2643]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  154.346426][ T2643]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  154.346430][ T2643]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  154.346437][ T2643]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  154.346439][ T2643]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  154.346443][ T2643]  genl_rcv (net/netlink/genetlink.c:1218)
[  154.346445][ T2643]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  154.346449][ T2643]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  154.346453][ T2643]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.346456][ T2643]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  154.346460][ T2643]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  154.346462][ T2643]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  154.346465][ T2643]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  154.346470][ T2643]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  154.346473][ T2643]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  154.346476][ T2643]  __sys_sendto (net/socket.c:2281)
[  154.346479][ T2643]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  154.346490][ T2643]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  154.346497][ T2643]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  154.346499][ T2643]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  154.346503][ T2643]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  154.346504][ T2643]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  154.346507][ T2643]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  154.346509][ T2643]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  154.346511][ T2643]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  154.346513][ T2643] RIP: 0033:0x7f1051f99312
[  154.346517][ T2643] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  154.346519][ T2643] RSP: 002b:00007ffc6fbe3398 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  154.346522][ T2643] RAX: ffffffffffffffda RBX: 00007ffc6fbe34c8 RCX: 00007f1051f99312
[  154.346523][ T2643] RDX: 0000000000000034 RSI: 00007f104dba0ef0 RDI: 0000000000000023
[  154.346524][ T2643] RBP: 00007ffc6fbe33c0 R08: 00007ffc6fbe3540 R09: 000000000000000c
[  154.346525][ T2643] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f104fdf22e0
[  154.346526][ T2643] R13: 00007ffc6fbe34c8 R14: 00007f10518b801a R15: 00007ffc6fbe38b8
| [  168.746081][ T2826] softirqs last disabled at (26929): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  168.746083][ T2826] Preemption disabled at:
| [  168.746084][ T2826] vprintk_emit (kernel/printk/printk.c:2471)
| [  168.746093][ T2826] Tainted: [W]=WARN
[  168.746094][ T2826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.746096][ T2826] Call Trace:
[  168.746097][ T2826]  <TASK>
[  168.746099][ T2826]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.746105][ T2826]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  168.746106][ T2826]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.746111][ T2826]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.746115][ T2826]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  168.746119][ T2826]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  168.746121][ T2826]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.746127][ T2826]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  168.746130][ T2826]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.746134][ T2826]  put_chars (drivers/char/virtio_console.c:1176)
[  168.746135][ T2826]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  168.746138][ T2826]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.746141][ T2826]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  168.746144][ T2826]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  168.746147][ T2826]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  168.746150][ T2826]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.746155][ T2826]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  168.746157][ T2826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.746158][ T2826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.746162][ T2826]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.746165][ T2826]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  168.746168][ T2826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.746170][ T2826]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.746174][ T2826]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.746178][ T2826]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.746180][ T2826]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  168.746183][ T2826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.746185][ T2826]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.746189][ T2826]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.746193][ T2826]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.746195][ T2826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.746200][ T2826]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.746203][ T2826]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.746205][ T2826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.746206][ T2826]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  168.746210][ T2826]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.746212][ T2826]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.746215][ T2826]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.746217][ T2826]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.746220][ T2826]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  168.746223][ T2826]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  168.746232][ T2826]  _printk (kernel/printk/printk.c:2504)
[  168.746236][ T2826]  ? snapshot_read.cold (user.c:?)
[  168.746240][ T2826]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  168.746244][ T2826]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  168.746248][ T2826]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  168.746250][ T2826]  ? netdev_notice (net/core/dev.c:13194)
[  168.746252][ T2826]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  168.746256][ T2826]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  168.746262][ T2826]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  168.746264][ T2826]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  168.746267][ T2826]  netif_set_promiscuity (net/core/dev.c:9699)
[  168.746271][ T2826]  dev_set_promiscuity (net/core/dev_api.c:288)
[  168.746273][ T2826]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  168.746277][ T2826] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  168.746283][ T2826] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  168.746288][ T2826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.746290][ T2826]  notifier_call_chain (kernel/notifier.c:85)
[  168.746295][ T2826]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  168.746300][ T2826]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  168.746308][ T2826]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  168.746309][ T2826]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  168.746313][ T2826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.746315][ T2826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.746317][ T2826]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  168.746339][ T2826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.746341][ T2826]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.746344][ T2826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.746346][ T2826]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  168.746348][ T2826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.746353][ T2826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.746355][ T2826]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.746357][ T2826]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  168.746359][ T2826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.746362][ T2826]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  168.746364][ T2826]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  168.746368][ T2826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.746369][ T2826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.746374][ T2826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.746375][ T2826]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.746379][ T2826]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  168.746382][ T2826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.746385][ T2826]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  168.746391][ T2826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  168.746393][ T2826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  168.746398][ T2826]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  168.746402][ T2826]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  168.746404][ T2826]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.746408][ T2826]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  168.746412][ T2826]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  168.746416][ T2826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.746418][ T2826]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  168.746423][ T2826]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  168.746427][ T2826]  ____sys_sendmsg (net/socket.c:2713)
[  168.746430][ T2826]  ? copy_msghdr_from_user (net/socket.c:2650)
[  168.746432][ T2826]  ? sock_write_iter (net/socket.c:1269)
[  168.746433][ T2826]  ? move_addr_to_kernel (net/socket.c:258)
[  168.746441][ T2826]  ___sys_sendmsg (net/socket.c:2767)
[  168.746444][ T2826]  ? copy_msghdr_from_user (net/socket.c:2619)
[  168.746460][ T2826]  __sys_sendmsg (net/socket.c:2799)
[  168.746463][ T2826]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  168.746469][ T2826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.746472][ T2826]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  168.746475][ T2826]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  168.746477][ T2826]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  168.746480][ T2826] RIP: 0033:0x7f98737c254e
[  168.746483][ T2826] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  168.746485][ T2826] RSP: 002b:00007ffef9886140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  168.746488][ T2826] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f98737c254e
[  168.746489][ T2826] RDX: 0000000000000000 RSI: 00007ffef98861f0 RDI: 0000000000000005
[  168.746490][ T2826] RBP: 00007ffef9886150 R08: 0000000000000000 R09: 0000000000000000
[  168.746491][ T2826] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bde9
[  168.746492][ T2826] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef98868b0
| [  171.732596][ T2884] softirqs last disabled at (390296): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  171.732598][ T2884] Preemption disabled at:
| [  171.732599][ T2884] vprintk_emit (kernel/printk/printk.c:2471)
| [  171.732607][ T2884] Tainted: [W]=WARN
[  171.732608][ T2884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  171.732610][ T2884] Call Trace:
[  171.732611][ T2884]  <TASK>
[  171.732613][ T2884]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  171.732619][ T2884]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  171.732620][ T2884]  __might_resched.cold (kernel/sched/core.c:9234)
[  171.732625][ T2884]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  171.732629][ T2884]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  171.732633][ T2884]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  171.732635][ T2884]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.732642][ T2884]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  171.732644][ T2884]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.732648][ T2884]  put_chars (drivers/char/virtio_console.c:1176)
[  171.732650][ T2884]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  171.732653][ T2884]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  171.732656][ T2884]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  171.732659][ T2884]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  171.732663][ T2884]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  171.732667][ T2884]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  171.732669][ T2884]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  171.732671][ T2884]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  171.732675][ T2884]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  171.732677][ T2884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  171.732681][ T2884]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.732685][ T2884]  console_emit_next_record (kernel/printk/printk.c:3183)
[  171.732690][ T2884]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  171.732691][ T2884]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  171.732695][ T2884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.732697][ T2884]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.732701][ T2884]  console_flush_one_record (kernel/printk/printk.c:3268)
[  171.732705][ T2884]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  171.732707][ T2884]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  171.732712][ T2884]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  171.732715][ T2884]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  171.732717][ T2884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.732718][ T2884]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  171.732722][ T2884]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  171.732724][ T2884]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  171.732727][ T2884]  vprintk_emit (kernel/printk/printk.c:2479)
[  171.732730][ T2884]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  171.732732][ T2884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  171.732734][ T2884]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  171.732739][ T2884]  _printk (kernel/printk/printk.c:2504)
[  171.732742][ T2884]  ? snapshot_read.cold (user.c:?)
[  171.732744][ T2884]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  171.732750][ T2884]  ? idr_get_free (??:?)
[  171.732755][ T2884]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  171.732764][ T2884]  ? nla_get_range_signed (lib/nlattr.c:270)
[  171.732769][ T2884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.732771][ T2884]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  171.732775][ T2884]  __nla_validate_parse (lib/nlattr.c:635)
[  171.732780][ T2884]  __nla_parse (lib/nlattr.c:732)
[  171.732783][ T2884]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  171.732788][ T2884]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  171.732791][ T2884]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  171.732799][ T2884]  ? security_capable (security/security.c:660 (discriminator 11))
[  171.732803][ T2884]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  171.732807][ T2884]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  171.732809][ T2884]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  171.732812][ T2884]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  171.732820][ T2884]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  171.732825][ T2884]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  171.732828][ T2884]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  171.732830][ T2884]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  171.732834][ T2884]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  171.732841][ T2884]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  171.732843][ T2884]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  171.732847][ T2884]  genl_rcv (net/netlink/genetlink.c:1218)
[  171.732849][ T2884]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.732853][ T2884]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  171.732857][ T2884]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  171.732860][ T2884]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  171.732864][ T2884]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  171.732866][ T2884]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  171.732874][ T2884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  171.732879][ T2884]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  171.732882][ T2884]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  171.732885][ T2884]  __sys_sendto (net/socket.c:2281)
[  171.732889][ T2884]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  171.732899][ T2884]  ? fput_close_sync (fs/file_table.c:617)
[  171.732903][ T2884]  ? alloc_file_clone (fs/file_table.c:479)
[  171.732907][ T2884]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  171.732909][ T2884]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  171.732912][ T2884]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  171.732915][ T2884]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  171.732917][ T2884]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.732919][ T2884]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  171.732922][ T2884]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.732924][ T2884] RIP: 0033:0x7f0026181312
[  171.732928][ T2884] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  171.732930][ T2884] RSP: 002b:00007ffcc30489c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  171.732932][ T2884] RAX: ffffffffffffffda RBX: 00007ffcc3048af8 RCX: 00007f0026181312
[  171.732934][ T2884] RDX: 0000000000000044 RSI: 00007f0021d46c90 RDI: 0000000000000020
[  171.732935][ T2884] RBP: 00007ffcc30489f0 R08: 00007ffcc3048b70 R09: 000000000000000c
[  171.732935][ T2884] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0023fda120
[  171.732936][ T2884] R13: 00007ffcc3048af8 R14: 00007f0025aa001a R15: 00007ffcc3048ee8
| [  173.006088][ T2932] softirqs last disabled at (385632): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  173.006089][ T2932] Preemption disabled at:
| [  173.006090][ T2932] vprintk_emit (kernel/printk/printk.c:2471)
| [  173.006099][ T2932] Tainted: [W]=WARN
[  173.006100][ T2932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  173.006101][ T2932] Call Trace:
[  173.006103][ T2932]  <TASK>
[  173.006105][ T2932]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  173.006111][ T2932]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  173.006112][ T2932]  __might_resched.cold (kernel/sched/core.c:9234)
[  173.006117][ T2932]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  173.006121][ T2932]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  173.006126][ T2932]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  173.006128][ T2932]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.006134][ T2932]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  173.006137][ T2932]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.006141][ T2932]  put_chars (drivers/char/virtio_console.c:1176)
[  173.006143][ T2932]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  173.006147][ T2932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  173.006150][ T2932]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  173.006154][ T2932]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  173.006159][ T2932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.006160][ T2932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.006165][ T2932]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  173.006169][ T2932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.006171][ T2932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.006175][ T2932]  console_emit_next_record (kernel/printk/printk.c:3183)
[  173.006180][ T2932]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  173.006181][ T2932]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  173.006185][ T2932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.006187][ T2932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.006191][ T2932]  console_flush_one_record (kernel/printk/printk.c:3268)
[  173.006195][ T2932]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  173.006197][ T2932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.006203][ T2932]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  173.006205][ T2932]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  173.006208][ T2932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.006209][ T2932]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  173.006213][ T2932]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  173.006215][ T2932]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  173.006218][ T2932]  vprintk_emit (kernel/printk/printk.c:2479)
[  173.006221][ T2932]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  173.006226][ T2932]  _printk (kernel/printk/printk.c:2504)
[  173.006230][ T2932]  ? snapshot_read.cold (user.c:?)
[  173.006233][ T2932]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  173.006236][ T2932]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  173.006240][ T2932]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  173.006242][ T2932]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  173.006246][ T2932]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  173.006250][ T2932]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  173.006253][ T2932]  ? netdev_notice (net/core/dev.c:13194)
[  173.006254][ T2932]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  173.006263][ T2932]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  173.006266][ T2932]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  173.006269][ T2932]  netif_set_promiscuity (net/core/dev.c:9699)
[  173.006273][ T2932]  dev_set_promiscuity (net/core/dev_api.c:288)
[  173.006275][ T2932]  ? dev_disable_lro (net/core/dev_api.c:267)
[  173.006277][ T2932] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  173.006283][ T2932] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  173.006287][ T2932] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  173.006291][ T2932]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  173.006296][ T2932] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  173.006302][ T2932]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  173.006305][ T2932]  ? __nla_validate_parse (lib/nlattr.c:635)
[  173.006319][ T2932]  ? __nla_parse (lib/nlattr.c:732)
[  173.006322][ T2932]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  173.006327][ T2932]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  173.006330][ T2932]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  173.006338][ T2932]  ? security_capable (security/security.c:660 (discriminator 11))
[  173.006343][ T2932]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  173.006347][ T2932]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  173.006349][ T2932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  173.006351][ T2932]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  173.006355][ T2932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.006361][ T2932]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  173.006364][ T2932]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  173.006366][ T2932]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  173.006370][ T2932]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  173.006377][ T2932]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  173.006379][ T2932]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  173.006383][ T2932]  genl_rcv (net/netlink/genetlink.c:1218)
[  173.006385][ T2932]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.006390][ T2932]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  173.006391][ T2932]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  173.006396][ T2932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.006400][ T2932]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  173.006404][ T2932]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  173.006406][ T2932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  173.006409][ T2932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  173.006414][ T2932]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  173.006416][ T2932]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  173.006420][ T2932]  __sys_sendto (net/socket.c:2281)
[  173.006423][ T2932]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  173.006429][ T2932]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  173.006437][ T2932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  173.006441][ T2932]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  173.006444][ T2932]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  173.006447][ T2932]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  173.006450][ T2932]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  173.006452][ T2932]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.006454][ T2932]  ? irq_exit_rcu (kernel/softirq.c:786)
[  173.006458][ T2932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.006461][ T2932] RIP: 0033:0x7fa54e354312
[  173.006464][ T2932] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  173.006466][ T2932] RSP: 002b:00007ffffb5f4b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  173.006469][ T2932] RAX: ffffffffffffffda RBX: 00007ffffb5f4c88 RCX: 00007fa54e354312
[  173.006470][ T2932] RDX: 0000000000000030 RSI: 00007fa549f3d9f0 RDI: 0000000000000023
[  173.006471][ T2932] RBP: 00007ffffb5f4b80 R08: 00007ffffb5f4d00 R09: 000000000000000c
[  173.006472][ T2932] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa54c1be200
[  173.006473][ T2932] R13: 00007ffffb5f4c88 R14: 00007fa54dc7301a R15: 00007ffffb5f5078
| [  174.233400][ T2976] softirqs last disabled at (393359): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  174.233402][ T2976] Preemption disabled at:
| [  174.233403][ T2976] vprintk_emit (kernel/printk/printk.c:2471)
| [  174.233411][ T2976] Tainted: [W]=WARN
[  174.233412][ T2976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.233414][ T2976] Call Trace:
[  174.233416][ T2976]  <TASK>
[  174.233417][ T2976]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  174.233424][ T2976]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  174.233425][ T2976]  __might_resched.cold (kernel/sched/core.c:9234)
[  174.233430][ T2976]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  174.233434][ T2976]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  174.233438][ T2976]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  174.233440][ T2976]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.233447][ T2976]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  174.233450][ T2976]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.233453][ T2976]  put_chars (drivers/char/virtio_console.c:1176)
[  174.233456][ T2976]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  174.233459][ T2976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  174.233462][ T2976]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  174.233467][ T2976]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  174.233471][ T2976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.233472][ T2976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.233477][ T2976]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  174.233481][ T2976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.233483][ T2976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.233488][ T2976]  console_emit_next_record (kernel/printk/printk.c:3183)
[  174.233492][ T2976]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  174.233494][ T2976]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  174.233497][ T2976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.233499][ T2976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.233503][ T2976]  console_flush_one_record (kernel/printk/printk.c:3268)
[  174.233508][ T2976]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  174.233509][ T2976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.233515][ T2976]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  174.233518][ T2976]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  174.233520][ T2976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.233522][ T2976]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  174.233525][ T2976]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  174.233527][ T2976]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  174.233530][ T2976]  vprintk_emit (kernel/printk/printk.c:2479)
[  174.233533][ T2976]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  174.233539][ T2976]  _printk (kernel/printk/printk.c:2504)
[  174.233543][ T2976]  ? snapshot_read.cold (user.c:?)
[  174.233545][ T2976]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  174.233548][ T2976]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  174.233552][ T2976]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  174.233554][ T2976]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  174.233558][ T2976]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  174.233562][ T2976]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  174.233565][ T2976]  ? netdev_notice (net/core/dev.c:13194)
[  174.233567][ T2976]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  174.233576][ T2976]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  174.233579][ T2976]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  174.233582][ T2976]  netif_set_promiscuity (net/core/dev.c:9699)
[  174.233586][ T2976]  dev_set_promiscuity (net/core/dev_api.c:288)
[  174.233588][ T2976]  ? dev_disable_lro (net/core/dev_api.c:267)
[  174.233590][ T2976] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  174.233596][ T2976] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  174.233601][ T2976] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  174.233605][ T2976]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  174.233610][ T2976] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  174.233615][ T2976]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  174.233619][ T2976]  ? __nla_validate_parse (lib/nlattr.c:635)
[  174.233625][ T2976]  ? __nla_parse (lib/nlattr.c:732)
[  174.233628][ T2976]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  174.233633][ T2976]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  174.233636][ T2976]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  174.233645][ T2976]  ? security_capable (security/security.c:660 (discriminator 11))
[  174.233650][ T2976]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  174.233654][ T2976]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  174.233656][ T2976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  174.233658][ T2976]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  174.233663][ T2976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.233669][ T2976]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  174.233672][ T2976]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  174.233674][ T2976]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  174.233678][ T2976]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  174.233686][ T2976]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  174.233688][ T2976]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  174.233692][ T2976]  genl_rcv (net/netlink/genetlink.c:1218)
[  174.233694][ T2976]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.233699][ T2976]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  174.233701][ T2976]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  174.233706][ T2976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.233710][ T2976]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  174.233714][ T2976]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  174.233715][ T2976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.233718][ T2976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  174.233724][ T2976]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  174.233727][ T2976]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  174.233730][ T2976]  __sys_sendto (net/socket.c:2281)
[  174.233733][ T2976]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  174.233739][ T2976]  ? do_futex (kernel/futex/syscalls.c:133)
[  174.233742][ T2976]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  174.233749][ T2976]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  174.233756][ T2976]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  174.233758][ T2976]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  174.233762][ T2976]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  174.233764][ T2976]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  174.233767][ T2976]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.233769][ T2976]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  174.233772][ T2976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.233774][ T2976] RIP: 0033:0x7f87d8cda312
[  174.233778][ T2976] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  174.233780][ T2976] RSP: 002b:00007ffc37224688 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  174.233783][ T2976] RAX: ffffffffffffffda RBX: 00007ffc372247b8 RCX: 00007f87d8cda312
[  174.233784][ T2976] RDX: 0000000000000030 RSI: 00007f87d69ee170 RDI: 0000000000000023
[  174.233785][ T2976] RBP: 00007ffc372246b0 R08: 00007ffc37224830 R09: 000000000000000c
[  174.233786][ T2976] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f87d6b3a2e0
[  174.233787][ T2976] R13: 00007ffc372247b8 R14: 00007f87d85f901a R15: 00007ffc37224ba8
| [  181.126674][ T3099] softirqs last disabled at (25368): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  181.126677][ T3099] Preemption disabled at:
| [  181.126677][ T3099] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.126686][ T3099] Tainted: [W]=WARN
[  181.126687][ T3099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.126689][ T3099] Call Trace:
[  181.126690][ T3099]  <TASK>
[  181.126692][ T3099]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.126698][ T3099]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.126700][ T3099]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.126704][ T3099]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.126708][ T3099]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  181.126712][ T3099]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  181.126714][ T3099]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.126721][ T3099]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  181.126724][ T3099]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.126727][ T3099]  put_chars (drivers/char/virtio_console.c:1176)
[  181.126729][ T3099]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  181.126731][ T3099]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.126734][ T3099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  181.126737][ T3099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  181.126740][ T3099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  181.126744][ T3099]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.126748][ T3099]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  181.126750][ T3099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.126752][ T3099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.126756][ T3099]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.126759][ T3099]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  181.126762][ T3099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.126764][ T3099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.126768][ T3099]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.126772][ T3099]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.126774][ T3099]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  181.126777][ T3099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.126779][ T3099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.126783][ T3099]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.126787][ T3099]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.126789][ T3099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.126794][ T3099]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.126797][ T3099]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.126798][ T3099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.126800][ T3099]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  181.126804][ T3099]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.126806][ T3099]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.126808][ T3099]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.126811][ T3099]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.126814][ T3099]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  181.126817][ T3099]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  181.126825][ T3099]  _printk (kernel/printk/printk.c:2504)
[  181.126829][ T3099]  ? snapshot_read.cold (user.c:?)
[  181.126833][ T3099]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.126837][ T3099]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.126841][ T3099]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.126843][ T3099]  ? netdev_notice (net/core/dev.c:13194)
[  181.126845][ T3099]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  181.126849][ T3099]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  181.126854][ T3099]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  181.126857][ T3099]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  181.126860][ T3099]  netif_set_promiscuity (net/core/dev.c:9699)
[  181.126864][ T3099]  dev_set_promiscuity (net/core/dev_api.c:288)
[  181.126866][ T3099]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  181.126869][ T3099] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  181.126876][ T3099] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  181.126881][ T3099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.126882][ T3099]  notifier_call_chain (kernel/notifier.c:85)
[  181.126888][ T3099]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  181.126893][ T3099]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  181.126904][ T3099]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  181.126906][ T3099]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  181.126908][ T3099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.126910][ T3099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.126912][ T3099]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  181.126933][ T3099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.126935][ T3099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.126938][ T3099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.126940][ T3099]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  181.126942][ T3099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.126946][ T3099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.126948][ T3099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.126950][ T3099]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  181.126952][ T3099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.126956][ T3099]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  181.126958][ T3099]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.126961][ T3099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.126962][ T3099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.126967][ T3099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.126969][ T3099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.126972][ T3099]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.126975][ T3099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.126978][ T3099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.126984][ T3099]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  181.126986][ T3099]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  181.126990][ T3099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.126994][ T3099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.126997][ T3099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.127001][ T3099]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.127005][ T3099]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.127008][ T3099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.127010][ T3099]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  181.127015][ T3099]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.127019][ T3099]  ____sys_sendmsg (net/socket.c:2713)
[  181.127021][ T3099]  ? copy_msghdr_from_user (net/socket.c:2650)
[  181.127024][ T3099]  ? sock_write_iter (net/socket.c:1269)
[  181.127025][ T3099]  ? move_addr_to_kernel (net/socket.c:258)
[  181.127032][ T3099]  ___sys_sendmsg (net/socket.c:2767)
[  181.127035][ T3099]  ? copy_msghdr_from_user (net/socket.c:2619)
[  181.127050][ T3099]  __sys_sendmsg (net/socket.c:2799)
[  181.127053][ T3099]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  181.127059][ T3099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.127062][ T3099]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.127066][ T3099]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.127069][ T3099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.127071][ T3099] RIP: 0033:0x7fb4ded0b54e
[  181.127075][ T3099] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  181.127077][ T3099] RSP: 002b:00007fff10f033d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  181.127079][ T3099] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb4ded0b54e
[  181.127081][ T3099] RDX: 0000000000000000 RSI: 00007fff10f03480 RDI: 0000000000000005
[  181.127082][ T3099] RBP: 00007fff10f033e0 R08: 0000000000000000 R09: 0000000000000000
[  181.127082][ T3099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bdf5
[  181.127083][ T3099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff10f03b40
| [  184.144188][ T3157] softirqs last disabled at (397568): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  184.144191][ T3157] Preemption disabled at:
| [  184.144191][ T3157] vprintk_emit (kernel/printk/printk.c:2471)
| [  184.144199][ T3157] Tainted: [W]=WARN
[  184.144200][ T3157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  184.144202][ T3157] Call Trace:
[  184.144203][ T3157]  <TASK>
[  184.144205][ T3157]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  184.144211][ T3157]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  184.144213][ T3157]  __might_resched.cold (kernel/sched/core.c:9234)
[  184.144217][ T3157]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  184.144221][ T3157]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  184.144225][ T3157]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  184.144227][ T3157]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.144234][ T3157]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  184.144237][ T3157]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.144240][ T3157]  put_chars (drivers/char/virtio_console.c:1176)
[  184.144243][ T3157]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  184.144245][ T3157]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  184.144249][ T3157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  184.144251][ T3157]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  184.144256][ T3157]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  184.144259][ T3157]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  184.144261][ T3157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.144263][ T3157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.144267][ T3157]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  184.144269][ T3157]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  184.144274][ T3157]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.144278][ T3157]  console_emit_next_record (kernel/printk/printk.c:3183)
[  184.144282][ T3157]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  184.144283][ T3157]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  184.144287][ T3157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.144289][ T3157]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.144293][ T3157]  console_flush_one_record (kernel/printk/printk.c:3268)
[  184.144297][ T3157]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  184.144299][ T3157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.144304][ T3157]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  184.144307][ T3157]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  184.144309][ T3157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.144314][ T3157]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  184.144318][ T3157]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  184.144319][ T3157]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  184.144322][ T3157]  vprintk_emit (kernel/printk/printk.c:2479)
[  184.144325][ T3157]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  184.144327][ T3157]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  184.144329][ T3157]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  184.144334][ T3157]  _printk (kernel/printk/printk.c:2504)
[  184.144337][ T3157]  ? snapshot_read.cold (user.c:?)
[  184.144339][ T3157]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  184.144345][ T3157]  ? idr_get_free (??:?)
[  184.144349][ T3157]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  184.144359][ T3157]  ? nla_get_range_signed (lib/nlattr.c:270)
[  184.144365][ T3157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.144366][ T3157]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  184.144370][ T3157]  __nla_validate_parse (lib/nlattr.c:635)
[  184.144375][ T3157]  __nla_parse (lib/nlattr.c:732)
[  184.144378][ T3157]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  184.144383][ T3157]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  184.144386][ T3157]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  184.144394][ T3157]  ? security_capable (security/security.c:660 (discriminator 11))
[  184.144398][ T3157]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  184.144402][ T3157]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  184.144405][ T3157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  184.144407][ T3157]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  184.144415][ T3157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.144421][ T3157]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  184.144424][ T3157]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  184.144426][ T3157]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  184.144430][ T3157]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  184.144436][ T3157]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  184.144438][ T3157]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  184.144442][ T3157]  genl_rcv (net/netlink/genetlink.c:1218)
[  184.144444][ T3157]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  184.144448][ T3157]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  184.144452][ T3157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.144455][ T3157]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  184.144459][ T3157]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  184.144461][ T3157]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  184.144464][ T3157]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  184.144469][ T3157]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  184.144472][ T3157]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  184.144475][ T3157]  __sys_sendto (net/socket.c:2281)
[  184.144479][ T3157]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  184.144489][ T3157]  ? fput_close_sync (fs/file_table.c:617)
[  184.144492][ T3157]  ? alloc_file_clone (fs/file_table.c:479)
[  184.144496][ T3157]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  184.144499][ T3157]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  184.144503][ T3157]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  184.144505][ T3157]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  184.144507][ T3157]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  184.144510][ T3157]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  184.144512][ T3157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  184.144514][ T3157] RIP: 0033:0x7f27c039c312
[  184.144518][ T3157] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  184.144519][ T3157] RSP: 002b:00007ffdadff2658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  184.144522][ T3157] RAX: ffffffffffffffda RBX: 00007ffdadff2788 RCX: 00007f27c039c312
[  184.144523][ T3157] RDX: 0000000000000044 RSI: 00007f27aff6ebf0 RDI: 0000000000000020
[  184.144524][ T3157] RBP: 00007ffdadff2680 R08: 00007ffdadff2800 R09: 000000000000000c
[  184.144525][ T3157] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f27be206120
[  184.144526][ T3157] R13: 00007ffdadff2788 R14: 00007f27bfcbb01a R15: 00007ffdadff2b78
| [  185.457509][ T3205] softirqs last disabled at (374374): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  185.457511][ T3205] Preemption disabled at:
| [  185.457512][ T3205] vprintk_emit (kernel/printk/printk.c:2471)
| [  185.457521][ T3205] Tainted: [W]=WARN
[  185.457522][ T3205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  185.457523][ T3205] Call Trace:
[  185.457525][ T3205]  <TASK>
[  185.457527][ T3205]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  185.457533][ T3205]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  185.457534][ T3205]  __might_resched.cold (kernel/sched/core.c:9234)
[  185.457539][ T3205]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  185.457543][ T3205]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  185.457547][ T3205]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  185.457549][ T3205]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.457556][ T3205]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  185.457559][ T3205]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.457562][ T3205]  put_chars (drivers/char/virtio_console.c:1176)
[  185.457565][ T3205]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  185.457568][ T3205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  185.457571][ T3205]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  185.457575][ T3205]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  185.457580][ T3205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.457581][ T3205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.457586][ T3205]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  185.457590][ T3205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.457592][ T3205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.457596][ T3205]  console_emit_next_record (kernel/printk/printk.c:3183)
[  185.457600][ T3205]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  185.457602][ T3205]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  185.457605][ T3205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.457607][ T3205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.457611][ T3205]  console_flush_one_record (kernel/printk/printk.c:3268)
[  185.457615][ T3205]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  185.457617][ T3205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.457623][ T3205]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  185.457625][ T3205]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  185.457627][ T3205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.457629][ T3205]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  185.457633][ T3205]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  185.457635][ T3205]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  185.457637][ T3205]  vprintk_emit (kernel/printk/printk.c:2479)
[  185.457641][ T3205]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  185.457646][ T3205]  _printk (kernel/printk/printk.c:2504)
[  185.457649][ T3205]  ? snapshot_read.cold (user.c:?)
[  185.457652][ T3205]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  185.457655][ T3205]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  185.457659][ T3205]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  185.457661][ T3205]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  185.457665][ T3205]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  185.457669][ T3205]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  185.457672][ T3205]  ? netdev_notice (net/core/dev.c:13194)
[  185.457673][ T3205]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  185.457682][ T3205]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  185.457685][ T3205]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  185.457689][ T3205]  netif_set_promiscuity (net/core/dev.c:9699)
[  185.457693][ T3205]  dev_set_promiscuity (net/core/dev_api.c:288)
[  185.457694][ T3205]  ? dev_disable_lro (net/core/dev_api.c:267)
[  185.457697][ T3205] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  185.457703][ T3205] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  185.457707][ T3205] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  185.457711][ T3205]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  185.457716][ T3205] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  185.457722][ T3205]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  185.457725][ T3205]  ? __nla_validate_parse (lib/nlattr.c:635)
[  185.457731][ T3205]  ? __nla_parse (lib/nlattr.c:732)
[  185.457734][ T3205]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  185.457739][ T3205]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  185.457742][ T3205]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  185.457750][ T3205]  ? security_capable (security/security.c:660 (discriminator 11))
[  185.457755][ T3205]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  185.457759][ T3205]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  185.457761][ T3205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  185.457763][ T3205]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  185.457767][ T3205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.457773][ T3205]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  185.457776][ T3205]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  185.457778][ T3205]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  185.457782][ T3205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  185.457789][ T3205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  185.457791][ T3205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  185.457795][ T3205]  genl_rcv (net/netlink/genetlink.c:1218)
[  185.457797][ T3205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  185.457801][ T3205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  185.457803][ T3205]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  185.457808][ T3205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.457812][ T3205]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  185.457816][ T3205]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  185.457817][ T3205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.457820][ T3205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.457825][ T3205]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  185.457828][ T3205]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  185.457832][ T3205]  __sys_sendto (net/socket.c:2281)
[  185.457835][ T3205]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  185.457846][ T3205]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  185.457852][ T3205]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  185.457854][ T3205]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  185.457857][ T3205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  185.457859][ T3205]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  185.457862][ T3205]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  185.457864][ T3205]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  185.457866][ T3205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  185.457868][ T3205] RIP: 0033:0x7fe95c7c1312
[  185.457872][ T3205] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  185.457874][ T3205] RSP: 002b:00007ffe23f4db18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  185.457876][ T3205] RAX: ffffffffffffffda RBX: 00007ffe23f4dc48 RCX: 00007fe95c7c1312
[  185.457878][ T3205] RDX: 0000000000000030 RSI: 00007fe9583c6ab0 RDI: 0000000000000023
[  185.457879][ T3205] RBP: 00007ffe23f4db40 R08: 00007ffe23f4dcc0 R09: 000000000000000c
[  185.457880][ T3205] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe95a61a200
[  185.457880][ T3205] R13: 00007ffe23f4dc48 R14: 00007fe95c0e001a R15: 00007ffe23f4e038
| [  186.700259][ T3243] softirqs last disabled at (387372): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  186.700261][ T3243] Preemption disabled at:
| [  186.700262][ T3243] vprintk_emit (kernel/printk/printk.c:2471)
| [  186.700270][ T3243] Tainted: [W]=WARN
[  186.700271][ T3243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  186.700273][ T3243] Call Trace:
[  186.700274][ T3243]  <TASK>
[  186.700276][ T3243]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  186.700282][ T3243]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  186.700284][ T3243]  __might_resched.cold (kernel/sched/core.c:9234)
[  186.700289][ T3243]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  186.700293][ T3243]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  186.700297][ T3243]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  186.700299][ T3243]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.700306][ T3243]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  186.700309][ T3243]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.700316][ T3243]  put_chars (drivers/char/virtio_console.c:1176)
[  186.700318][ T3243]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  186.700321][ T3243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  186.700325][ T3243]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  186.700329][ T3243]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  186.700334][ T3243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.700335][ T3243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.700340][ T3243]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  186.700343][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.700346][ T3243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.700350][ T3243]  console_emit_next_record (kernel/printk/printk.c:3183)
[  186.700354][ T3243]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  186.700356][ T3243]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  186.700359][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.700361][ T3243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.700365][ T3243]  console_flush_one_record (kernel/printk/printk.c:3268)
[  186.700369][ T3243]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  186.700371][ T3243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.700376][ T3243]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  186.700379][ T3243]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  186.700381][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.700383][ T3243]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  186.700386][ T3243]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  186.700388][ T3243]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  186.700391][ T3243]  vprintk_emit (kernel/printk/printk.c:2479)
[  186.700394][ T3243]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  186.700399][ T3243]  _printk (kernel/printk/printk.c:2504)
[  186.700403][ T3243]  ? snapshot_read.cold (user.c:?)
[  186.700406][ T3243]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  186.700409][ T3243]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  186.700413][ T3243]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  186.700415][ T3243]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  186.700419][ T3243]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  186.700423][ T3243]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  186.700425][ T3243]  ? netdev_notice (net/core/dev.c:13194)
[  186.700427][ T3243]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  186.700436][ T3243]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  186.700439][ T3243]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  186.700442][ T3243]  netif_set_promiscuity (net/core/dev.c:9699)
[  186.700446][ T3243]  dev_set_promiscuity (net/core/dev_api.c:288)
[  186.700448][ T3243]  ? dev_disable_lro (net/core/dev_api.c:267)
[  186.700450][ T3243] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  186.700455][ T3243] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  186.700460][ T3243] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  186.700464][ T3243]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  186.700469][ T3243] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  186.700474][ T3243]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  186.700478][ T3243]  ? __nla_validate_parse (lib/nlattr.c:635)
[  186.700484][ T3243]  ? __nla_parse (lib/nlattr.c:732)
[  186.700486][ T3243]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  186.700491][ T3243]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  186.700495][ T3243]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  186.700503][ T3243]  ? security_capable (security/security.c:660 (discriminator 11))
[  186.700507][ T3243]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  186.700511][ T3243]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  186.700514][ T3243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  186.700516][ T3243]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  186.700520][ T3243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.700525][ T3243]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  186.700528][ T3243]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  186.700530][ T3243]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  186.700534][ T3243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  186.700541][ T3243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  186.700543][ T3243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  186.700547][ T3243]  genl_rcv (net/netlink/genetlink.c:1218)
[  186.700549][ T3243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  186.700553][ T3243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  186.700557][ T3243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.700560][ T3243]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  186.700564][ T3243]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  186.700566][ T3243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  186.700569][ T3243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  186.700574][ T3243]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  186.700577][ T3243]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  186.700580][ T3243]  __sys_sendto (net/socket.c:2281)
[  186.700583][ T3243]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  186.700594][ T3243]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  186.700600][ T3243]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  186.700602][ T3243]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  186.700606][ T3243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  186.700608][ T3243]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  186.700610][ T3243]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  186.700612][ T3243]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  186.700615][ T3243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  186.700617][ T3243] RIP: 0033:0x7f369c5df312
[  186.700621][ T3243] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  186.700622][ T3243] RSP: 002b:00007fff87e9d088 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  186.700625][ T3243] RAX: ffffffffffffffda RBX: 00007fff87e9d1b8 RCX: 00007f369c5df312
[  186.700627][ T3243] RDX: 0000000000000030 RSI: 00007f3698216630 RDI: 0000000000000023
[  186.700627][ T3243] RBP: 00007fff87e9d0b0 R08: 00007fff87e9d230 R09: 000000000000000c
[  186.700628][ T3243] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f369a4422e0
[  186.700629][ T3243] R13: 00007fff87e9d1b8 R14: 00007f369befe01a R15: 00007fff87e9d5a8
| [  196.504046][ T3387] softirqs last disabled at (27136): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  196.504048][ T3387] Preemption disabled at:
| [  196.504049][ T3387] vprintk_emit (kernel/printk/printk.c:2471)
| [  196.504057][ T3387] Tainted: [W]=WARN
[  196.504058][ T3387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  196.504060][ T3387] Call Trace:
[  196.504061][ T3387]  <TASK>
[  196.504063][ T3387]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  196.504069][ T3387]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  196.504071][ T3387]  __might_resched.cold (kernel/sched/core.c:9234)
[  196.504075][ T3387]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  196.504079][ T3387]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  196.504083][ T3387]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  196.504085][ T3387]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  196.504091][ T3387]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  196.504094][ T3387]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  196.504097][ T3387]  put_chars (drivers/char/virtio_console.c:1176)
[  196.504099][ T3387]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  196.504101][ T3387]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  196.504104][ T3387]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  196.504107][ T3387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  196.504110][ T3387]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  196.504114][ T3387]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  196.504118][ T3387]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  196.504120][ T3387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.504121][ T3387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.504125][ T3387]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  196.504128][ T3387]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  196.504131][ T3387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.504133][ T3387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.504137][ T3387]  console_emit_next_record (kernel/printk/printk.c:3183)
[  196.504143][ T3387]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  196.504145][ T3387]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  196.504148][ T3387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.504150][ T3387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.504154][ T3387]  console_flush_one_record (kernel/printk/printk.c:3268)
[  196.504158][ T3387]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  196.504160][ T3387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.504165][ T3387]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  196.504168][ T3387]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  196.504170][ T3387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.504172][ T3387]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  196.504175][ T3387]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  196.504177][ T3387]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  196.504180][ T3387]  vprintk_emit (kernel/printk/printk.c:2479)
[  196.504183][ T3387]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  196.504185][ T3387]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  196.504188][ T3387]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  196.504197][ T3387]  _printk (kernel/printk/printk.c:2504)
[  196.504201][ T3387]  ? snapshot_read.cold (user.c:?)
[  196.504205][ T3387]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  196.504209][ T3387]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  196.504213][ T3387]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  196.504215][ T3387]  ? netdev_notice (net/core/dev.c:13194)
[  196.504217][ T3387]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  196.504221][ T3387]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  196.504226][ T3387]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  196.504229][ T3387]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  196.504232][ T3387]  netif_set_promiscuity (net/core/dev.c:9699)
[  196.504236][ T3387]  dev_set_promiscuity (net/core/dev_api.c:288)
[  196.504238][ T3387]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  196.504242][ T3387] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  196.504248][ T3387] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  196.504253][ T3387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.504254][ T3387]  notifier_call_chain (kernel/notifier.c:85)
[  196.504260][ T3387]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  196.504265][ T3387]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  196.504272][ T3387]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  196.504273][ T3387]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  196.504275][ T3387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.504277][ T3387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.504279][ T3387]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  196.504300][ T3387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  196.504302][ T3387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  196.504305][ T3387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  196.504307][ T3387]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  196.504309][ T3387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.504313][ T3387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  196.504315][ T3387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  196.504317][ T3387]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  196.504319][ T3387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  196.504323][ T3387]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  196.504325][ T3387]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  196.504328][ T3387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  196.504329][ T3387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.504334][ T3387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  196.504336][ T3387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  196.504339][ T3387]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  196.504342][ T3387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  196.504345][ T3387]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  196.504351][ T3387]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  196.504353][ T3387]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  196.504357][ T3387]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  196.504361][ T3387]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  196.504363][ T3387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  196.504368][ T3387]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  196.504371][ T3387]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  196.504375][ T3387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  196.504377][ T3387]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  196.504382][ T3387]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  196.504386][ T3387]  ____sys_sendmsg (net/socket.c:2713)
[  196.504388][ T3387]  ? copy_msghdr_from_user (net/socket.c:2650)
[  196.504390][ T3387]  ? sock_write_iter (net/socket.c:1269)
[  196.504392][ T3387]  ? move_addr_to_kernel (net/socket.c:258)
[  196.504399][ T3387]  ___sys_sendmsg (net/socket.c:2767)
[  196.504402][ T3387]  ? copy_msghdr_from_user (net/socket.c:2619)
[  196.504417][ T3387]  __sys_sendmsg (net/socket.c:2799)
[  196.504420][ T3387]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  196.504426][ T3387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.504429][ T3387]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  196.504433][ T3387]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  196.504436][ T3387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  196.504438][ T3387] RIP: 0033:0x7f7126e4154e
[  196.504442][ T3387] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  196.504443][ T3387] RSP: 002b:00007ffdb4c7c7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  196.504446][ T3387] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7126e4154e
[  196.504448][ T3387] RDX: 0000000000000000 RSI: 00007ffdb4c7c880 RDI: 0000000000000005
[  196.504449][ T3387] RBP: 00007ffdb4c7c7e0 R08: 0000000000000000 R09: 0000000000000000
[  196.504449][ T3387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be04
[  196.504450][ T3387] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb4c7cf40
| [  199.524222][ T3445] softirqs last disabled at (374262): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  199.524224][ T3445] Preemption disabled at:
| [  199.524225][ T3445] vprintk_emit (kernel/printk/printk.c:2471)
| [  199.524234][ T3445] Tainted: [W]=WARN
[  199.524235][ T3445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  199.524237][ T3445] Call Trace:
[  199.524239][ T3445]  <TASK>
[  199.524240][ T3445]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  199.524246][ T3445]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  199.524248][ T3445]  __might_resched.cold (kernel/sched/core.c:9234)
[  199.524252][ T3445]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  199.524257][ T3445]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  199.524261][ T3445]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  199.524263][ T3445]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  199.524270][ T3445]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  199.524272][ T3445]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  199.524276][ T3445]  put_chars (drivers/char/virtio_console.c:1176)
[  199.524279][ T3445]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  199.524281][ T3445]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  199.524285][ T3445]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  199.524288][ T3445]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  199.524292][ T3445]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  199.524296][ T3445]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  199.524298][ T3445]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  199.524299][ T3445]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  199.524304][ T3445]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  199.524306][ T3445]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  199.524313][ T3445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.524320][ T3445]  console_emit_next_record (kernel/printk/printk.c:3183)
[  199.524325][ T3445]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  199.524327][ T3445]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  199.524330][ T3445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.524332][ T3445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.524336][ T3445]  console_flush_one_record (kernel/printk/printk.c:3268)
[  199.524340][ T3445]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  199.524342][ T3445]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  199.524348][ T3445]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  199.524350][ T3445]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  199.524353][ T3445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.524354][ T3445]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  199.524358][ T3445]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  199.524360][ T3445]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  199.524363][ T3445]  vprintk_emit (kernel/printk/printk.c:2479)
[  199.524366][ T3445]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  199.524368][ T3445]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  199.524370][ T3445]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  199.524375][ T3445]  _printk (kernel/printk/printk.c:2504)
[  199.524379][ T3445]  ? snapshot_read.cold (user.c:?)
[  199.524380][ T3445]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  199.524386][ T3445]  ? idr_get_free (??:?)
[  199.524391][ T3445]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  199.524400][ T3445]  ? nla_get_range_signed (lib/nlattr.c:270)
[  199.524406][ T3445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.524407][ T3445]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  199.524413][ T3445]  __nla_validate_parse (lib/nlattr.c:635)
[  199.524420][ T3445]  __nla_parse (lib/nlattr.c:732)
[  199.524423][ T3445]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  199.524428][ T3445]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  199.524431][ T3445]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  199.524439][ T3445]  ? security_capable (security/security.c:660 (discriminator 11))
[  199.524444][ T3445]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  199.524448][ T3445]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  199.524450][ T3445]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  199.524453][ T3445]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  199.524461][ T3445]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  199.524466][ T3445]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  199.524470][ T3445]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  199.524472][ T3445]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  199.524475][ T3445]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  199.524482][ T3445]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  199.524485][ T3445]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  199.524489][ T3445]  genl_rcv (net/netlink/genetlink.c:1218)
[  199.524491][ T3445]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  199.524495][ T3445]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  199.524499][ T3445]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  199.524503][ T3445]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  199.524507][ T3445]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  199.524508][ T3445]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  199.524512][ T3445]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  199.524520][ T3445]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  199.524523][ T3445]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  199.524527][ T3445]  __sys_sendto (net/socket.c:2281)
[  199.524530][ T3445]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  199.524540][ T3445]  ? fput_close_sync (fs/file_table.c:617)
[  199.524544][ T3445]  ? alloc_file_clone (fs/file_table.c:479)
[  199.524548][ T3445]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  199.524551][ T3445]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  199.524554][ T3445]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  199.524557][ T3445]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  199.524559][ T3445]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  199.524561][ T3445]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  199.524564][ T3445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  199.524566][ T3445] RIP: 0033:0x7f6d35571312
[  199.524570][ T3445] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  199.524572][ T3445] RSP: 002b:00007ffc12230ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  199.524575][ T3445] RAX: ffffffffffffffda RBX: 00007ffc12230cd8 RCX: 00007f6d35571312
[  199.524576][ T3445] RDX: 0000000000000044 RSI: 00007f6d31137050 RDI: 0000000000000020
[  199.524577][ T3445] RBP: 00007ffc12230bd0 R08: 00007ffc12230d50 R09: 000000000000000c
[  199.524578][ T3445] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d333ca0b0
[  199.524579][ T3445] R13: 00007ffc12230cd8 R14: 00007f6d34e9001a R15: 00007ffc122310c8
| [  200.823134][ T3492] softirqs last disabled at (389060): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  200.823136][ T3492] Preemption disabled at:
| [  200.823137][ T3492] vprintk_emit (kernel/printk/printk.c:2471)
| [  200.823144][ T3492] Tainted: [W]=WARN
[  200.823145][ T3492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  200.823147][ T3492] Call Trace:
[  200.823149][ T3492]  <TASK>
[  200.823150][ T3492]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  200.823157][ T3492]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  200.823158][ T3492]  __might_resched.cold (kernel/sched/core.c:9234)
[  200.823163][ T3492]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  200.823167][ T3492]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  200.823171][ T3492]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  200.823173][ T3492]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.823179][ T3492]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  200.823182][ T3492]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.823186][ T3492]  put_chars (drivers/char/virtio_console.c:1176)
[  200.823188][ T3492]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  200.823191][ T3492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  200.823195][ T3492]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  200.823199][ T3492]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  200.823203][ T3492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.823205][ T3492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.823209][ T3492]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  200.823213][ T3492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.823215][ T3492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.823219][ T3492]  console_emit_next_record (kernel/printk/printk.c:3183)
[  200.823224][ T3492]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  200.823226][ T3492]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  200.823229][ T3492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.823231][ T3492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.823235][ T3492]  console_flush_one_record (kernel/printk/printk.c:3268)
[  200.823239][ T3492]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  200.823241][ T3492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.823246][ T3492]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  200.823249][ T3492]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  200.823251][ T3492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.823253][ T3492]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  200.823257][ T3492]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  200.823258][ T3492]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  200.823261][ T3492]  vprintk_emit (kernel/printk/printk.c:2479)
[  200.823264][ T3492]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  200.823269][ T3492]  _printk (kernel/printk/printk.c:2504)
[  200.823273][ T3492]  ? snapshot_read.cold (user.c:?)
[  200.823276][ T3492]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  200.823279][ T3492]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  200.823283][ T3492]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  200.823285][ T3492]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  200.823289][ T3492]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  200.823292][ T3492]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  200.823295][ T3492]  ? netdev_notice (net/core/dev.c:13194)
[  200.823297][ T3492]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  200.823306][ T3492]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  200.823308][ T3492]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  200.823315][ T3492]  netif_set_promiscuity (net/core/dev.c:9699)
[  200.823319][ T3492]  dev_set_promiscuity (net/core/dev_api.c:288)
[  200.823321][ T3492]  ? dev_disable_lro (net/core/dev_api.c:267)
[  200.823323][ T3492] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  200.823329][ T3492] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  200.823333][ T3492] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  200.823338][ T3492]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  200.823342][ T3492] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  200.823348][ T3492]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  200.823351][ T3492]  ? __nla_validate_parse (lib/nlattr.c:635)
[  200.823357][ T3492]  ? __nla_parse (lib/nlattr.c:732)
[  200.823360][ T3492]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  200.823364][ T3492]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  200.823368][ T3492]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  200.823376][ T3492]  ? security_capable (security/security.c:660 (discriminator 11))
[  200.823380][ T3492]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  200.823384][ T3492]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  200.823387][ T3492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  200.823389][ T3492]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  200.823393][ T3492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.823398][ T3492]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  200.823402][ T3492]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  200.823404][ T3492]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  200.823407][ T3492]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  200.823414][ T3492]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  200.823416][ T3492]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  200.823420][ T3492]  genl_rcv (net/netlink/genetlink.c:1218)
[  200.823423][ T3492]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  200.823427][ T3492]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  200.823428][ T3492]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  200.823433][ T3492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.823437][ T3492]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  200.823441][ T3492]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  200.823443][ T3492]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  200.823446][ T3492]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  200.823451][ T3492]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  200.823453][ T3492]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  200.823457][ T3492]  __sys_sendto (net/socket.c:2281)
[  200.823460][ T3492]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  200.823471][ T3492]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  200.823476][ T3492]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  200.823479][ T3492]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  200.823482][ T3492]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  200.823484][ T3492]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  200.823487][ T3492]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  200.823489][ T3492]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  200.823491][ T3492]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  200.823494][ T3492] RIP: 0033:0x7f4a0494d312
[  200.823497][ T3492] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  200.823499][ T3492] RSP: 002b:00007ffe9e6068d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  200.823502][ T3492] RAX: ffffffffffffffda RBX: 00007ffe9e606a08 RCX: 00007f4a0494d312
[  200.823503][ T3492] RDX: 0000000000000030 RSI: 00007f4a00533b70 RDI: 0000000000000023
[  200.823504][ T3492] RBP: 00007ffe9e606900 R08: 00007ffe9e606a80 R09: 000000000000000c
[  200.823505][ T3492] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4a027a6190
[  200.823506][ T3492] R13: 00007ffe9e606a08 R14: 00007f4a0426c01a R15: 00007ffe9e606df8
| [  202.030014][ T3530] softirqs last disabled at (380280): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  202.030016][ T3530] Preemption disabled at:
| [  202.030016][ T3530] vprintk_emit (kernel/printk/printk.c:2471)
| [  202.030025][ T3530] Tainted: [W]=WARN
[  202.030026][ T3530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  202.030027][ T3530] Call Trace:
[  202.030029][ T3530]  <TASK>
[  202.030030][ T3530]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  202.030037][ T3530]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  202.030038][ T3530]  __might_resched.cold (kernel/sched/core.c:9234)
[  202.030043][ T3530]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  202.030047][ T3530]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  202.030051][ T3530]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  202.030053][ T3530]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.030060][ T3530]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  202.030062][ T3530]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.030066][ T3530]  put_chars (drivers/char/virtio_console.c:1176)
[  202.030069][ T3530]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  202.030072][ T3530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  202.030075][ T3530]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  202.030080][ T3530]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  202.030084][ T3530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.030085][ T3530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.030090][ T3530]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  202.030094][ T3530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.030096][ T3530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.030100][ T3530]  console_emit_next_record (kernel/printk/printk.c:3183)
[  202.030104][ T3530]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  202.030106][ T3530]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  202.030110][ T3530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.030111][ T3530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.030115][ T3530]  console_flush_one_record (kernel/printk/printk.c:3268)
[  202.030120][ T3530]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  202.030122][ T3530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.030127][ T3530]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  202.030130][ T3530]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  202.030132][ T3530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.030133][ T3530]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  202.030137][ T3530]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  202.030139][ T3530]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  202.030142][ T3530]  vprintk_emit (kernel/printk/printk.c:2479)
[  202.030145][ T3530]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  202.030150][ T3530]  _printk (kernel/printk/printk.c:2504)
[  202.030154][ T3530]  ? snapshot_read.cold (user.c:?)
[  202.030157][ T3530]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  202.030160][ T3530]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  202.030164][ T3530]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  202.030165][ T3530]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  202.030169][ T3530]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  202.030173][ T3530]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  202.030176][ T3530]  ? netdev_notice (net/core/dev.c:13194)
[  202.030178][ T3530]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  202.030187][ T3530]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  202.030190][ T3530]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  202.030193][ T3530]  netif_set_promiscuity (net/core/dev.c:9699)
[  202.030197][ T3530]  dev_set_promiscuity (net/core/dev_api.c:288)
[  202.030199][ T3530]  ? dev_disable_lro (net/core/dev_api.c:267)
[  202.030201][ T3530] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  202.030207][ T3530] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  202.030211][ T3530] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  202.030215][ T3530]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  202.030220][ T3530] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  202.030226][ T3530]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  202.030229][ T3530]  ? __nla_validate_parse (lib/nlattr.c:635)
[  202.030235][ T3530]  ? __nla_parse (lib/nlattr.c:732)
[  202.030238][ T3530]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  202.030243][ T3530]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  202.030246][ T3530]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  202.030254][ T3530]  ? security_capable (security/security.c:660 (discriminator 11))
[  202.030259][ T3530]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  202.030263][ T3530]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  202.030265][ T3530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  202.030267][ T3530]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  202.030272][ T3530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.030277][ T3530]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  202.030280][ T3530]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  202.030282][ T3530]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  202.030286][ T3530]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  202.030293][ T3530]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  202.030295][ T3530]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  202.030299][ T3530]  genl_rcv (net/netlink/genetlink.c:1218)
[  202.030301][ T3530]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  202.030305][ T3530]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  202.030312][ T3530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.030316][ T3530]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  202.030320][ T3530]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  202.030322][ T3530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.030325][ T3530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.030331][ T3530]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  202.030334][ T3530]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  202.030337][ T3530]  __sys_sendto (net/socket.c:2281)
[  202.030340][ T3530]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  202.030351][ T3530]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  202.030358][ T3530]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  202.030360][ T3530]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  202.030363][ T3530]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  202.030365][ T3530]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  202.030367][ T3530]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  202.030369][ T3530]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  202.030372][ T3530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  202.030374][ T3530] RIP: 0033:0x7f2b2df9c312
[  202.030378][ T3530] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  202.030379][ T3530] RSP: 002b:00007ffc6ad50638 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  202.030382][ T3530] RAX: ffffffffffffffda RBX: 00007ffc6ad50768 RCX: 00007f2b2df9c312
[  202.030383][ T3530] RDX: 0000000000000030 RSI: 00007f2b29bca2f0 RDI: 0000000000000023
[  202.030384][ T3530] RBP: 00007ffc6ad50660 R08: 00007ffc6ad507e0 R09: 000000000000000c
[  202.030385][ T3530] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b2be06270
[  202.030386][ T3530] R13: 00007ffc6ad50768 R14: 00007f2b2d8bb01a R15: 00007ffc6ad50b58
| [  214.824015][ T3786] softirqs last disabled at (19308): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  214.824022][ T3786] Preemption disabled at:
| [  214.824022][ T3786] vprintk_emit (kernel/printk/printk.c:2471)
| [  214.824031][ T3786] Tainted: [W]=WARN
[  214.824032][ T3786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  214.824034][ T3786] Call Trace:
[  214.824035][ T3786]  <TASK>
[  214.824037][ T3786]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  214.824043][ T3786]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  214.824044][ T3786]  __might_resched.cold (kernel/sched/core.c:9234)
[  214.824049][ T3786]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  214.824053][ T3786]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  214.824057][ T3786]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  214.824059][ T3786]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.824066][ T3786]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  214.824068][ T3786]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.824072][ T3786]  put_chars (drivers/char/virtio_console.c:1176)
[  214.824074][ T3786]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  214.824076][ T3786]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  214.824079][ T3786]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  214.824082][ T3786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  214.824085][ T3786]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  214.824088][ T3786]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  214.824092][ T3786]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  214.824094][ T3786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  214.824096][ T3786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  214.824100][ T3786]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  214.824103][ T3786]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  214.824106][ T3786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.824108][ T3786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.824112][ T3786]  console_emit_next_record (kernel/printk/printk.c:3183)
[  214.824116][ T3786]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  214.824118][ T3786]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  214.824121][ T3786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.824123][ T3786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.824126][ T3786]  console_flush_one_record (kernel/printk/printk.c:3268)
[  214.824130][ T3786]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  214.824132][ T3786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  214.824137][ T3786]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  214.824140][ T3786]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  214.824142][ T3786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.824144][ T3786]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  214.824147][ T3786]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  214.824149][ T3786]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  214.824152][ T3786]  vprintk_emit (kernel/printk/printk.c:2479)
[  214.824155][ T3786]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  214.824157][ T3786]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  214.824160][ T3786]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  214.824169][ T3786]  _printk (kernel/printk/printk.c:2504)
[  214.824173][ T3786]  ? snapshot_read.cold (user.c:?)
[  214.824177][ T3786]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  214.824181][ T3786]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  214.824184][ T3786]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  214.824187][ T3786]  ? netdev_notice (net/core/dev.c:13194)
[  214.824189][ T3786]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  214.824193][ T3786]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  214.824198][ T3786]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  214.824201][ T3786]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  214.824205][ T3786]  netif_set_promiscuity (net/core/dev.c:9699)
[  214.824208][ T3786]  dev_set_promiscuity (net/core/dev_api.c:288)
[  214.824210][ T3786]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  214.824214][ T3786] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  214.824220][ T3786] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  214.824225][ T3786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.824227][ T3786]  notifier_call_chain (kernel/notifier.c:85)
[  214.824232][ T3786]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  214.824237][ T3786]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  214.824244][ T3786]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  214.824246][ T3786]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  214.824248][ T3786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  214.824249][ T3786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  214.824252][ T3786]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  214.824272][ T3786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  214.824274][ T3786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  214.824278][ T3786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  214.824279][ T3786]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  214.824281][ T3786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  214.824286][ T3786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  214.824288][ T3786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  214.824290][ T3786]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  214.824292][ T3786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  214.824296][ T3786]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  214.824298][ T3786]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  214.824301][ T3786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  214.824302][ T3786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  214.824306][ T3786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  214.824308][ T3786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  214.824312][ T3786]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  214.824315][ T3786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  214.824318][ T3786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  214.824324][ T3786]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  214.824326][ T3786]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  214.824330][ T3786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  214.824334][ T3786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  214.824337][ T3786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  214.824341][ T3786]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  214.824345][ T3786]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  214.824348][ T3786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  214.824350][ T3786]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  214.824355][ T3786]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  214.824359][ T3786]  ____sys_sendmsg (net/socket.c:2713)
[  214.824361][ T3786]  ? copy_msghdr_from_user (net/socket.c:2650)
[  214.824364][ T3786]  ? sock_write_iter (net/socket.c:1269)
[  214.824365][ T3786]  ? move_addr_to_kernel (net/socket.c:258)
[  214.824372][ T3786]  ___sys_sendmsg (net/socket.c:2767)
[  214.824375][ T3786]  ? copy_msghdr_from_user (net/socket.c:2619)
[  214.824390][ T3786]  __sys_sendmsg (net/socket.c:2799)
[  214.824394][ T3786]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  214.824400][ T3786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.824403][ T3786]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  214.824407][ T3786]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  214.824409][ T3786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  214.824411][ T3786] RIP: 0033:0x7f20ec3fb54e
[  214.824415][ T3786] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  214.824417][ T3786] RSP: 002b:00007ffccc243b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  214.824419][ T3786] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f20ec3fb54e
[  214.824421][ T3786] RDX: 0000000000000000 RSI: 00007ffccc243bf0 RDI: 0000000000000005
[  214.824422][ T3786] RBP: 00007ffccc243b50 R08: 0000000000000000 R09: 0000000000000000
[  214.824423][ T3786] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be17
[  214.824423][ T3786] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccc2442b0
| [  217.891748][ T3843] softirqs last disabled at (385476): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  217.891750][ T3843] Preemption disabled at:
| [  217.891751][ T3843] vprintk_emit (kernel/printk/printk.c:2471)
| [  217.891760][ T3843] Tainted: [W]=WARN
[  217.891760][ T3843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  217.891762][ T3843] Call Trace:
[  217.891764][ T3843]  <TASK>
[  217.891766][ T3843]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  217.891772][ T3843]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  217.891773][ T3843]  __might_resched.cold (kernel/sched/core.c:9234)
[  217.891778][ T3843]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  217.891782][ T3843]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  217.891786][ T3843]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  217.891788][ T3843]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.891795][ T3843]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  217.891798][ T3843]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.891801][ T3843]  put_chars (drivers/char/virtio_console.c:1176)
[  217.891804][ T3843]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  217.891806][ T3843]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  217.891810][ T3843]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  217.891812][ T3843]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  217.891816][ T3843]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  217.891820][ T3843]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  217.891822][ T3843]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.891824][ T3843]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.891828][ T3843]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  217.891830][ T3843]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  217.891835][ T3843]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.891839][ T3843]  console_emit_next_record (kernel/printk/printk.c:3183)
[  217.891843][ T3843]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  217.891844][ T3843]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  217.891848][ T3843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.891850][ T3843]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.891854][ T3843]  console_flush_one_record (kernel/printk/printk.c:3268)
[  217.891858][ T3843]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  217.891860][ T3843]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.891865][ T3843]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  217.891868][ T3843]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  217.891870][ T3843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.891871][ T3843]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  217.891875][ T3843]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  217.891877][ T3843]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  217.891880][ T3843]  vprintk_emit (kernel/printk/printk.c:2479)
[  217.891883][ T3843]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  217.891885][ T3843]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.891887][ T3843]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  217.891891][ T3843]  _printk (kernel/printk/printk.c:2504)
[  217.891895][ T3843]  ? snapshot_read.cold (user.c:?)
[  217.891897][ T3843]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  217.891903][ T3843]  ? idr_get_free (??:?)
[  217.891907][ T3843]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  217.891917][ T3843]  ? nla_get_range_signed (lib/nlattr.c:270)
[  217.891922][ T3843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.891924][ T3843]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  217.891928][ T3843]  __nla_validate_parse (lib/nlattr.c:635)
[  217.891933][ T3843]  __nla_parse (lib/nlattr.c:732)
[  217.891936][ T3843]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  217.891941][ T3843]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  217.891944][ T3843]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  217.891952][ T3843]  ? security_capable (security/security.c:660 (discriminator 11))
[  217.891956][ T3843]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  217.891960][ T3843]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  217.891962][ T3843]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  217.891965][ T3843]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  217.891973][ T3843]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.891979][ T3843]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  217.891982][ T3843]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.891984][ T3843]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  217.891988][ T3843]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  217.891994][ T3843]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  217.891997][ T3843]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  217.892000][ T3843]  genl_rcv (net/netlink/genetlink.c:1218)
[  217.892003][ T3843]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.892006][ T3843]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  217.892010][ T3843]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.892013][ T3843]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.892017][ T3843]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  217.892019][ T3843]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  217.892022][ T3843]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.892033][ T3843]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  217.892036][ T3843]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  217.892040][ T3843]  __sys_sendto (net/socket.c:2281)
[  217.892043][ T3843]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  217.892053][ T3843]  ? fput_close_sync (fs/file_table.c:617)
[  217.892057][ T3843]  ? alloc_file_clone (fs/file_table.c:479)
[  217.892061][ T3843]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  217.892063][ T3843]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.892067][ T3843]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  217.892069][ T3843]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  217.892072][ T3843]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.892074][ T3843]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  217.892076][ T3843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.892079][ T3843] RIP: 0033:0x7f10412e1312
[  217.892082][ T3843] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  217.892084][ T3843] RSP: 002b:00007ffd174dfe38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  217.892087][ T3843] RAX: ffffffffffffffda RBX: 00007ffd174dff68 RCX: 00007f10412e1312
[  217.892088][ T3843] RDX: 0000000000000048 RSI: 00007f103f02f870 RDI: 0000000000000020
[  217.892089][ T3843] RBP: 00007ffd174dfe60 R08: 00007ffd174dffe0 R09: 000000000000000c
[  217.892090][ T3843] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f103f13a120
[  217.892091][ T3843] R13: 00007ffd174dff68 R14: 00007f1040c0001a R15: 00007ffd174e0358
| [  219.173201][ T3891] softirqs last disabled at (392970): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  219.173203][ T3891] Preemption disabled at:
| [  219.173204][ T3891] vprintk_emit (kernel/printk/printk.c:2471)
| [  219.173212][ T3891] Tainted: [W]=WARN
[  219.173213][ T3891] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  219.173215][ T3891] Call Trace:
[  219.173216][ T3891]  <TASK>
[  219.173218][ T3891]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  219.173224][ T3891]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  219.173225][ T3891]  __might_resched.cold (kernel/sched/core.c:9234)
[  219.173230][ T3891]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  219.173234][ T3891]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  219.173238][ T3891]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  219.173240][ T3891]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.173246][ T3891]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  219.173249][ T3891]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.173253][ T3891]  put_chars (drivers/char/virtio_console.c:1176)
[  219.173255][ T3891]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  219.173258][ T3891]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  219.173262][ T3891]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  219.173266][ T3891]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  219.173270][ T3891]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.173272][ T3891]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.173276][ T3891]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  219.173280][ T3891]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.173282][ T3891]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.173286][ T3891]  console_emit_next_record (kernel/printk/printk.c:3183)
[  219.173290][ T3891]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  219.173292][ T3891]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  219.173295][ T3891]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.173297][ T3891]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.173301][ T3891]  console_flush_one_record (kernel/printk/printk.c:3268)
[  219.173305][ T3891]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  219.173307][ T3891]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.173316][ T3891]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  219.173319][ T3891]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  219.173321][ T3891]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.173322][ T3891]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  219.173326][ T3891]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  219.173328][ T3891]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  219.173331][ T3891]  vprintk_emit (kernel/printk/printk.c:2479)
[  219.173334][ T3891]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  219.173339][ T3891]  _printk (kernel/printk/printk.c:2504)
[  219.173343][ T3891]  ? snapshot_read.cold (user.c:?)
[  219.173346][ T3891]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  219.173349][ T3891]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  219.173353][ T3891]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  219.173354][ T3891]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  219.173358][ T3891]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  219.173362][ T3891]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  219.173365][ T3891]  ? netdev_notice (net/core/dev.c:13194)
[  219.173367][ T3891]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  219.173376][ T3891]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  219.173378][ T3891]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  219.173382][ T3891]  netif_set_promiscuity (net/core/dev.c:9699)
[  219.173385][ T3891]  dev_set_promiscuity (net/core/dev_api.c:288)
[  219.173387][ T3891]  ? dev_disable_lro (net/core/dev_api.c:267)
[  219.173390][ T3891] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  219.173395][ T3891] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  219.173400][ T3891] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  219.173404][ T3891]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  219.173408][ T3891] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  219.173414][ T3891]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  219.173418][ T3891]  ? __nla_validate_parse (lib/nlattr.c:635)
[  219.173424][ T3891]  ? __nla_parse (lib/nlattr.c:732)
[  219.173426][ T3891]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  219.173431][ T3891]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  219.173435][ T3891]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  219.173443][ T3891]  ? security_capable (security/security.c:660 (discriminator 11))
[  219.173447][ T3891]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  219.173451][ T3891]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  219.173454][ T3891]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  219.173456][ T3891]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  219.173460][ T3891]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.173465][ T3891]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  219.173469][ T3891]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.173471][ T3891]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  219.173474][ T3891]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  219.173481][ T3891]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  219.173483][ T3891]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  219.173487][ T3891]  genl_rcv (net/netlink/genetlink.c:1218)
[  219.173489][ T3891]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.173493][ T3891]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  219.173497][ T3891]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.173501][ T3891]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.173505][ T3891]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  219.173506][ T3891]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.173509][ T3891]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.173514][ T3891]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  219.173517][ T3891]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  219.173521][ T3891]  __sys_sendto (net/socket.c:2281)
[  219.173524][ T3891]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  219.173534][ T3891]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  219.173541][ T3891]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  219.173543][ T3891]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  219.173547][ T3891]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  219.173548][ T3891]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  219.173551][ T3891]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.173553][ T3891]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  219.173555][ T3891]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.173557][ T3891] RIP: 0033:0x7f72c4e74312
[  219.173561][ T3891] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  219.173562][ T3891] RSP: 002b:00007fff178f3f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  219.173565][ T3891] RAX: ffffffffffffffda RBX: 00007fff178f4098 RCX: 00007f72c4e74312
[  219.173566][ T3891] RDX: 0000000000000030 RSI: 00007f72c0a921b0 RDI: 0000000000000023
[  219.173567][ T3891] RBP: 00007fff178f3f90 R08: 00007fff178f4110 R09: 000000000000000c
[  219.173568][ T3891] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72c2cde200
[  219.173569][ T3891] R13: 00007fff178f4098 R14: 00007f72c479301a R15: 00007fff178f4488
| [  220.408027][ T3929] softirqs last disabled at (410272): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  220.408029][ T3929] Preemption disabled at:
| [  220.408030][ T3929] vprintk_emit (kernel/printk/printk.c:2471)
| [  220.408044][ T3929] Tainted: [W]=WARN
[  220.408045][ T3929] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  220.408047][ T3929] Call Trace:
[  220.408048][ T3929]  <TASK>
[  220.408050][ T3929]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  220.408056][ T3929]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  220.408058][ T3929]  __might_resched.cold (kernel/sched/core.c:9234)
[  220.408062][ T3929]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  220.408066][ T3929]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  220.408071][ T3929]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  220.408073][ T3929]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.408079][ T3929]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  220.408082][ T3929]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.408085][ T3929]  put_chars (drivers/char/virtio_console.c:1176)
[  220.408088][ T3929]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  220.408091][ T3929]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  220.408094][ T3929]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  220.408098][ T3929]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  220.408103][ T3929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.408104][ T3929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.408109][ T3929]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  220.408113][ T3929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.408115][ T3929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.408119][ T3929]  console_emit_next_record (kernel/printk/printk.c:3183)
[  220.408123][ T3929]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  220.408125][ T3929]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  220.408128][ T3929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.408130][ T3929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.408134][ T3929]  console_flush_one_record (kernel/printk/printk.c:3268)
[  220.408138][ T3929]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  220.408140][ T3929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.408146][ T3929]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  220.408148][ T3929]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  220.408150][ T3929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.408152][ T3929]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  220.408156][ T3929]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  220.408158][ T3929]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  220.408160][ T3929]  vprintk_emit (kernel/printk/printk.c:2479)
[  220.408163][ T3929]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  220.408169][ T3929]  _printk (kernel/printk/printk.c:2504)
[  220.408173][ T3929]  ? snapshot_read.cold (user.c:?)
[  220.408175][ T3929]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  220.408178][ T3929]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  220.408182][ T3929]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  220.408184][ T3929]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  220.408188][ T3929]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  220.408192][ T3929]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  220.408195][ T3929]  ? netdev_notice (net/core/dev.c:13194)
[  220.408196][ T3929]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  220.408205][ T3929]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  220.408208][ T3929]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  220.408211][ T3929]  netif_set_promiscuity (net/core/dev.c:9699)
[  220.408215][ T3929]  dev_set_promiscuity (net/core/dev_api.c:288)
[  220.408217][ T3929]  ? dev_disable_lro (net/core/dev_api.c:267)
[  220.408219][ T3929] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  220.408224][ T3929] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  220.408229][ T3929] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  220.408233][ T3929]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  220.408238][ T3929] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  220.408243][ T3929]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  220.408247][ T3929]  ? __nla_validate_parse (lib/nlattr.c:635)
[  220.408253][ T3929]  ? __nla_parse (lib/nlattr.c:732)
[  220.408255][ T3929]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  220.408260][ T3929]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  220.408264][ T3929]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  220.408272][ T3929]  ? security_capable (security/security.c:660 (discriminator 11))
[  220.408276][ T3929]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  220.408280][ T3929]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  220.408282][ T3929]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  220.408284][ T3929]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  220.408289][ T3929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.408294][ T3929]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  220.408297][ T3929]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  220.408299][ T3929]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  220.408303][ T3929]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  220.408313][ T3929]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  220.408315][ T3929]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  220.408320][ T3929]  genl_rcv (net/netlink/genetlink.c:1218)
[  220.408322][ T3929]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  220.408326][ T3929]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  220.408329][ T3929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.408333][ T3929]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  220.408337][ T3929]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  220.408339][ T3929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  220.408342][ T3929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  220.408347][ T3929]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  220.408349][ T3929]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  220.408353][ T3929]  __sys_sendto (net/socket.c:2281)
[  220.408356][ T3929]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  220.408367][ T3929]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  220.408373][ T3929]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  220.408375][ T3929]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  220.408379][ T3929]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  220.408381][ T3929]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  220.408383][ T3929]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  220.408385][ T3929]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  220.408387][ T3929]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  220.408390][ T3929] RIP: 0033:0x7fed83235312
[  220.408393][ T3929] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  220.408395][ T3929] RSP: 002b:00007ffc9ac525b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  220.408398][ T3929] RAX: ffffffffffffffda RBX: 00007ffc9ac526e8 RCX: 00007fed83235312
[  220.408399][ T3929] RDX: 0000000000000030 RSI: 00007fed80657170 RDI: 0000000000000023
[  220.408400][ T3929] RBP: 00007ffc9ac525e0 R08: 00007ffc9ac52760 R09: 000000000000000c
[  220.408401][ T3929] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fed8108e2e0
[  220.408402][ T3929] R13: 00007ffc9ac526e8 R14: 00007fed82b5401a R15: 00007ffc9ac52ad8
| [  224.410017][ T4018] softirqs last disabled at (378314): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  224.410019][ T4018] Preemption disabled at:
| [  224.410020][ T4018] vprintk_emit (kernel/printk/printk.c:2471)
| [  224.410028][ T4018] Tainted: [W]=WARN
[  224.410029][ T4018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  224.410031][ T4018] Call Trace:
[  224.410032][ T4018]  <TASK>
[  224.410034][ T4018]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  224.410040][ T4018]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  224.410042][ T4018]  __might_resched.cold (kernel/sched/core.c:9234)
[  224.410046][ T4018]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  224.410058][ T4018]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  224.410063][ T4018]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  224.410064][ T4018]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  224.410071][ T4018]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  224.410073][ T4018]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  224.410077][ T4018]  put_chars (drivers/char/virtio_console.c:1176)
[  224.410079][ T4018]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  224.410081][ T4018]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  224.410084][ T4018]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  224.410089][ T4018]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  224.410097][ T4018]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  224.410099][ T4018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.410101][ T4018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.410105][ T4018]  console_emit_next_record (kernel/printk/printk.c:3183)
[  224.410109][ T4018]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  224.410111][ T4018]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  224.410114][ T4018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.410116][ T4018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.410120][ T4018]  console_flush_one_record (kernel/printk/printk.c:3268)
[  224.410124][ T4018]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  224.410126][ T4018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  224.410131][ T4018]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  224.410134][ T4018]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  224.410136][ T4018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.410137][ T4018]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  224.410141][ T4018]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  224.410143][ T4018]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  224.410145][ T4018]  vprintk_emit (kernel/printk/printk.c:2479)
[  224.410149][ T4018]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  224.410151][ T4018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  224.410155][ T4018]  _printk (kernel/printk/printk.c:2504)
[  224.410159][ T4018]  ? snapshot_read.cold (user.c:?)
[  224.410161][ T4018]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  224.410167][ T4018]  ? idr_get_free (??:?)
[  224.410169][ T4018]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  224.410178][ T4018] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  224.410186][ T4018]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  224.410190][ T4018]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  224.410193][ T4018]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  224.410195][ T4018]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  224.410197][ T4018]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  224.410200][ T4018]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  224.410201][ T4018]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  224.410203][ T4018]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  224.410206][ T4018]  ? __sys_sendto (net/socket.c:2281)
[  224.410208][ T4018]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  224.410226][ T4018]  ? __nla_parse (lib/nlattr.c:732)
[  224.410231][ T4018]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  224.410235][ T4018]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  224.410238][ T4018]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  224.410246][ T4018]  ? security_capable (security/security.c:660 (discriminator 11))
[  224.410250][ T4018]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  224.410254][ T4018]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  224.410256][ T4018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  224.410259][ T4018]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  224.410263][ T4018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  224.410269][ T4018]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  224.410272][ T4018]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  224.410274][ T4018]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  224.410277][ T4018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  224.410284][ T4018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  224.410286][ T4018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  224.410290][ T4018]  genl_rcv (net/netlink/genetlink.c:1218)
[  224.410292][ T4018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  224.410296][ T4018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  224.410299][ T4018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  224.410303][ T4018]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  224.410307][ T4018]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  224.410308][ T4018]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  224.410315][ T4018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  224.410320][ T4018]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  224.410321][ T4018]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  224.410325][ T4018]  __sys_sendto (net/socket.c:2281)
[  224.410328][ T4018]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  224.410338][ T4018]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  224.410343][ T4018]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  224.410345][ T4018]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  224.410349][ T4018]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  224.410351][ T4018]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  224.410353][ T4018]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  224.410355][ T4018]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  224.410357][ T4018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  224.410359][ T4018] RIP: 0033:0x7f69acec9312
[  224.410363][ T4018] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  224.410365][ T4018] RSP: 002b:00007fff5cfdab58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  224.410368][ T4018] RAX: ffffffffffffffda RBX: 00007fff5cfdac88 RCX: 00007f69acec9312
[  224.410369][ T4018] RDX: 00000000000000b0 RSI: 00007f69aab9b9f0 RDI: 0000000000000026
[  224.410370][ T4018] RBP: 00007fff5cfdab80 R08: 00007fff5cfdad00 R09: 000000000000000c
[  224.410371][ T4018] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69aad22350
[  224.410372][ T4018] R13: 00007fff5cfdac88 R14: 00007f69ac7e801a R15: 00007fff5cfdb078
| [  234.651223][ T4221] softirqs last disabled at (20556): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  234.651225][ T4221] Preemption disabled at:
| [  234.651226][ T4221] vprintk_emit (kernel/printk/printk.c:2471)
| [  234.651235][ T4221] Tainted: [W]=WARN
[  234.651236][ T4221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  234.651238][ T4221] Call Trace:
[  234.651239][ T4221]  <TASK>
[  234.651241][ T4221]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  234.651247][ T4221]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  234.651249][ T4221]  __might_resched.cold (kernel/sched/core.c:9234)
[  234.651253][ T4221]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  234.651257][ T4221]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  234.651262][ T4221]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  234.651264][ T4221]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  234.651270][ T4221]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  234.651273][ T4221]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  234.651277][ T4221]  put_chars (drivers/char/virtio_console.c:1176)
[  234.651278][ T4221]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  234.651281][ T4221]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  234.651284][ T4221]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  234.651287][ T4221]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  234.651290][ T4221]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  234.651294][ T4221]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  234.651298][ T4221]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  234.651300][ T4221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.651302][ T4221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.651306][ T4221]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  234.651308][ T4221]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  234.651313][ T4221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.651315][ T4221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.651319][ T4221]  console_emit_next_record (kernel/printk/printk.c:3183)
[  234.651323][ T4221]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  234.651325][ T4221]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  234.651328][ T4221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.651330][ T4221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.651334][ T4221]  console_flush_one_record (kernel/printk/printk.c:3268)
[  234.651338][ T4221]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  234.651340][ T4221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.651345][ T4221]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  234.651348][ T4221]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  234.651350][ T4221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.651352][ T4221]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  234.651355][ T4221]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  234.651357][ T4221]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  234.651360][ T4221]  vprintk_emit (kernel/printk/printk.c:2479)
[  234.651363][ T4221]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  234.651365][ T4221]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  234.651369][ T4221]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  234.651378][ T4221]  _printk (kernel/printk/printk.c:2504)
[  234.651381][ T4221]  ? snapshot_read.cold (user.c:?)
[  234.651386][ T4221]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  234.651389][ T4221]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  234.651393][ T4221]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  234.651396][ T4221]  ? netdev_notice (net/core/dev.c:13194)
[  234.651398][ T4221]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  234.651402][ T4221]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  234.651407][ T4221]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  234.651410][ T4221]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  234.651413][ T4221]  netif_set_promiscuity (net/core/dev.c:9699)
[  234.651417][ T4221]  dev_set_promiscuity (net/core/dev_api.c:288)
[  234.651419][ T4221]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  234.651422][ T4221] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  234.651429][ T4221] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  234.651433][ T4221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.651436][ T4221]  notifier_call_chain (kernel/notifier.c:85)
[  234.651441][ T4221]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  234.651446][ T4221]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  234.651453][ T4221]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  234.651455][ T4221]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  234.651457][ T4221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.651459][ T4221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.651461][ T4221]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  234.651482][ T4221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  234.651484][ T4221]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  234.651487][ T4221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  234.651489][ T4221]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  234.651491][ T4221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.651495][ T4221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  234.651497][ T4221]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  234.651499][ T4221]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  234.651501][ T4221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  234.651505][ T4221]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  234.651507][ T4221]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  234.651510][ T4221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  234.651511][ T4221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.651516][ T4221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  234.651518][ T4221]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  234.651521][ T4221]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  234.651524][ T4221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  234.651527][ T4221]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  234.651533][ T4221]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  234.651536][ T4221]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  234.651540][ T4221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  234.651544][ T4221]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  234.651546][ T4221]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  234.651550][ T4221]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  234.651554][ T4221]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  234.651558][ T4221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  234.651560][ T4221]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  234.651565][ T4221]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  234.651569][ T4221]  ____sys_sendmsg (net/socket.c:2713)
[  234.651572][ T4221]  ? copy_msghdr_from_user (net/socket.c:2650)
[  234.651574][ T4221]  ? sock_write_iter (net/socket.c:1269)
[  234.651576][ T4221]  ? move_addr_to_kernel (net/socket.c:258)
[  234.651583][ T4221]  ___sys_sendmsg (net/socket.c:2767)
[  234.651586][ T4221]  ? copy_msghdr_from_user (net/socket.c:2619)
[  234.651601][ T4221]  __sys_sendmsg (net/socket.c:2799)
[  234.651604][ T4221]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  234.651610][ T4221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.651613][ T4221]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  234.651617][ T4221]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  234.651620][ T4221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  234.651622][ T4221] RIP: 0033:0x7fb9548d054e
[  234.651626][ T4221] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  234.651628][ T4221] RSP: 002b:00007ffcda293af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  234.651630][ T4221] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb9548d054e
[  234.651632][ T4221] RDX: 0000000000000000 RSI: 00007ffcda293ba0 RDI: 0000000000000005
[  234.651633][ T4221] RBP: 00007ffcda293b00 R08: 0000000000000000 R09: 0000000000000000
[  234.651634][ T4221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be2a
[  234.651635][ T4221] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcda294260
| [  237.629693][ T4278] softirqs last disabled at (368218): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  237.629696][ T4278] Preemption disabled at:
| [  237.629697][ T4278] vprintk_emit (kernel/printk/printk.c:2471)
| [  237.629705][ T4278] Tainted: [W]=WARN
[  237.629706][ T4278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  237.629708][ T4278] Call Trace:
[  237.629710][ T4278]  <TASK>
[  237.629712][ T4278]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  237.629718][ T4278]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  237.629720][ T4278]  __might_resched.cold (kernel/sched/core.c:9234)
[  237.629724][ T4278]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  237.629728][ T4278]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  237.629733][ T4278]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  237.629735][ T4278]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  237.629741][ T4278]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  237.629744][ T4278]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  237.629748][ T4278]  put_chars (drivers/char/virtio_console.c:1176)
[  237.629750][ T4278]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  237.629753][ T4278]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  237.629756][ T4278]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  237.629759][ T4278]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  237.629764][ T4278]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  237.629768][ T4278]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  237.629769][ T4278]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  237.629771][ T4278]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  237.629776][ T4278]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  237.629777][ T4278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  237.629782][ T4278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  237.629786][ T4278]  console_emit_next_record (kernel/printk/printk.c:3183)
[  237.629790][ T4278]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  237.629792][ T4278]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  237.629795][ T4278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.629797][ T4278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  237.629801][ T4278]  console_flush_one_record (kernel/printk/printk.c:3268)
[  237.629806][ T4278]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  237.629808][ T4278]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  237.629813][ T4278]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  237.629816][ T4278]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  237.629818][ T4278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.629819][ T4278]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  237.629823][ T4278]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  237.629825][ T4278]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  237.629828][ T4278]  vprintk_emit (kernel/printk/printk.c:2479)
[  237.629831][ T4278]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  237.629833][ T4278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  237.629835][ T4278]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  237.629839][ T4278]  _printk (kernel/printk/printk.c:2504)
[  237.629843][ T4278]  ? snapshot_read.cold (user.c:?)
[  237.629845][ T4278]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  237.629851][ T4278]  ? idr_get_free (??:?)
[  237.629856][ T4278]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  237.629865][ T4278]  ? nla_get_range_signed (lib/nlattr.c:270)
[  237.629871][ T4278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.629873][ T4278]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  237.629877][ T4278]  __nla_validate_parse (lib/nlattr.c:635)
[  237.629882][ T4278]  __nla_parse (lib/nlattr.c:732)
[  237.629885][ T4278]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  237.629890][ T4278]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  237.629893][ T4278]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  237.629901][ T4278]  ? security_capable (security/security.c:660 (discriminator 11))
[  237.629906][ T4278]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  237.629909][ T4278]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  237.629912][ T4278]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  237.629915][ T4278]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  237.629923][ T4278]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  237.629928][ T4278]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  237.629932][ T4278]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  237.629934][ T4278]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  237.629937][ T4278]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  237.629944][ T4278]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  237.629946][ T4278]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  237.629950][ T4278]  genl_rcv (net/netlink/genetlink.c:1218)
[  237.629953][ T4278]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  237.629957][ T4278]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  237.629960][ T4278]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  237.629964][ T4278]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  237.629968][ T4278]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  237.629970][ T4278]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  237.629973][ T4278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  237.629978][ T4278]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  237.629980][ T4278]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  237.629984][ T4278]  __sys_sendto (net/socket.c:2281)
[  237.629987][ T4278]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  237.629998][ T4278]  ? fput_close_sync (fs/file_table.c:617)
[  237.630002][ T4278]  ? alloc_file_clone (fs/file_table.c:479)
[  237.630006][ T4278]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  237.630008][ T4278]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  237.630012][ T4278]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  237.630015][ T4278]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  237.630017][ T4278]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  237.630019][ T4278]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  237.630022][ T4278]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  237.630024][ T4278] RIP: 0033:0x7fad51e96312
[  237.630027][ T4278] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  237.630029][ T4278] RSP: 002b:00007ffd281e9328 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  237.630032][ T4278] RAX: ffffffffffffffda RBX: 00007ffd281e9458 RCX: 00007fad51e96312
[  237.630034][ T4278] RDX: 0000000000000044 RSI: 00007fad4da6a5b0 RDI: 0000000000000020
[  237.630035][ T4278] RBP: 00007ffd281e9350 R08: 00007ffd281e94d0 R09: 000000000000000c
[  237.630035][ T4278] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fad4fcf6120
[  237.630036][ T4278] R13: 00007ffd281e9458 R14: 00007fad517b501a R15: 00007ffd281e9848
| [  238.896235][ T4327] softirqs last disabled at (371346): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  238.896237][ T4327] Preemption disabled at:
| [  238.896238][ T4327] vprintk_emit (kernel/printk/printk.c:2471)
| [  238.896247][ T4327] Tainted: [W]=WARN
[  238.896248][ T4327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  238.896250][ T4327] Call Trace:
[  238.896251][ T4327]  <TASK>
[  238.896253][ T4327]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  238.896259][ T4327]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  238.896261][ T4327]  __might_resched.cold (kernel/sched/core.c:9234)
[  238.896266][ T4327]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  238.896270][ T4327]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  238.896274][ T4327]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  238.896276][ T4327]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  238.896283][ T4327]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  238.896286][ T4327]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  238.896290][ T4327]  put_chars (drivers/char/virtio_console.c:1176)
[  238.896292][ T4327]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  238.896296][ T4327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  238.896299][ T4327]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  238.896303][ T4327]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  238.896307][ T4327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  238.896312][ T4327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  238.896318][ T4327]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  238.896321][ T4327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.896324][ T4327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  238.896328][ T4327]  console_emit_next_record (kernel/printk/printk.c:3183)
[  238.896332][ T4327]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  238.896334][ T4327]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  238.896337][ T4327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.896339][ T4327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  238.896343][ T4327]  console_flush_one_record (kernel/printk/printk.c:3268)
[  238.896348][ T4327]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  238.896350][ T4327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  238.896355][ T4327]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  238.896358][ T4327]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  238.896360][ T4327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.896362][ T4327]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  238.896366][ T4327]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  238.896368][ T4327]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  238.896371][ T4327]  vprintk_emit (kernel/printk/printk.c:2479)
[  238.896374][ T4327]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  238.896379][ T4327]  _printk (kernel/printk/printk.c:2504)
[  238.896383][ T4327]  ? snapshot_read.cold (user.c:?)
[  238.896386][ T4327]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  238.896390][ T4327]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  238.896394][ T4327]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  238.896396][ T4327]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  238.896399][ T4327]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  238.896403][ T4327]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  238.896406][ T4327]  ? netdev_notice (net/core/dev.c:13194)
[  238.896408][ T4327]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  238.896417][ T4327]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  238.896420][ T4327]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  238.896423][ T4327]  netif_set_promiscuity (net/core/dev.c:9699)
[  238.896427][ T4327]  dev_set_promiscuity (net/core/dev_api.c:288)
[  238.896429][ T4327]  ? dev_disable_lro (net/core/dev_api.c:267)
[  238.896432][ T4327] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  238.896437][ T4327] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  238.896442][ T4327] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  238.896446][ T4327]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  238.896450][ T4327] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  238.896456][ T4327]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  238.896460][ T4327]  ? __nla_validate_parse (lib/nlattr.c:635)
[  238.896466][ T4327]  ? __nla_parse (lib/nlattr.c:732)
[  238.896469][ T4327]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  238.896474][ T4327]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  238.896477][ T4327]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  238.896485][ T4327]  ? security_capable (security/security.c:660 (discriminator 11))
[  238.896490][ T4327]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  238.896494][ T4327]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  238.896496][ T4327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  238.896498][ T4327]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  238.896503][ T4327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  238.896508][ T4327]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  238.896512][ T4327]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  238.896514][ T4327]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  238.896517][ T4327]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  238.896525][ T4327]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  238.896527][ T4327]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  238.896531][ T4327]  genl_rcv (net/netlink/genetlink.c:1218)
[  238.896534][ T4327]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  238.896538][ T4327]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  238.896540][ T4327]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  238.896545][ T4327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  238.896548][ T4327]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  238.896552][ T4327]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  238.896554][ T4327]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  238.896557][ T4327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  238.896562][ T4327]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  238.896565][ T4327]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  238.896569][ T4327]  __sys_sendto (net/socket.c:2281)
[  238.896572][ T4327]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  238.896574][ T4327]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  238.896580][ T4327]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  238.896588][ T4327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  238.896592][ T4327]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  238.896594][ T4327]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  238.896598][ T4327]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  238.896600][ T4327]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  238.896603][ T4327]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  238.896605][ T4327]  ? irq_exit_rcu (kernel/softirq.c:786)
[  238.896609][ T4327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  238.896612][ T4327] RIP: 0033:0x7fdd14e5f312
[  238.896616][ T4327] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  238.896618][ T4327] RSP: 002b:00007ffca6089738 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  238.896621][ T4327] RAX: ffffffffffffffda RBX: 00007ffca6089868 RCX: 00007fdd14e5f312
[  238.896622][ T4327] RDX: 0000000000000030 RSI: 00007fdd10a414b0 RDI: 0000000000000023
[  238.896623][ T4327] RBP: 00007ffca6089760 R08: 00007ffca60898e0 R09: 000000000000000c
[  238.896624][ T4327] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd12cc2200
[  238.896625][ T4327] R13: 00007ffca6089868 R14: 00007fdd1477e01a R15: 00007ffca6089c58
| [  240.192260][ T4365] softirqs last disabled at (397994): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  240.192262][ T4365] Preemption disabled at:
| [  240.192263][ T4365] vprintk_emit (kernel/printk/printk.c:2471)
| [  240.192272][ T4365] Tainted: [W]=WARN
[  240.192273][ T4365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  240.192274][ T4365] Call Trace:
[  240.192276][ T4365]  <TASK>
[  240.192278][ T4365]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  240.192284][ T4365]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  240.192285][ T4365]  __might_resched.cold (kernel/sched/core.c:9234)
[  240.192290][ T4365]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  240.192294][ T4365]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  240.192299][ T4365]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  240.192301][ T4365]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.192307][ T4365]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  240.192313][ T4365]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.192317][ T4365]  put_chars (drivers/char/virtio_console.c:1176)
[  240.192319][ T4365]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  240.192323][ T4365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  240.192326][ T4365]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  240.192331][ T4365]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  240.192335][ T4365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.192336][ T4365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.192341][ T4365]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  240.192345][ T4365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.192347][ T4365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.192351][ T4365]  console_emit_next_record (kernel/printk/printk.c:3183)
[  240.192355][ T4365]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  240.192357][ T4365]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  240.192361][ T4365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.192362][ T4365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.192366][ T4365]  console_flush_one_record (kernel/printk/printk.c:3268)
[  240.192371][ T4365]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  240.192373][ T4365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.192378][ T4365]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  240.192381][ T4365]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  240.192383][ T4365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.192385][ T4365]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  240.192389][ T4365]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  240.192390][ T4365]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  240.192393][ T4365]  vprintk_emit (kernel/printk/printk.c:2479)
[  240.192397][ T4365]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  240.192402][ T4365]  _printk (kernel/printk/printk.c:2504)
[  240.192406][ T4365]  ? snapshot_read.cold (user.c:?)
[  240.192408][ T4365]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  240.192412][ T4365]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  240.192416][ T4365]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  240.192417][ T4365]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  240.192422][ T4365]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  240.192426][ T4365]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  240.192428][ T4365]  ? netdev_notice (net/core/dev.c:13194)
[  240.192430][ T4365]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  240.192439][ T4365]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  240.192442][ T4365]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  240.192445][ T4365]  netif_set_promiscuity (net/core/dev.c:9699)
[  240.192449][ T4365]  dev_set_promiscuity (net/core/dev_api.c:288)
[  240.192451][ T4365]  ? dev_disable_lro (net/core/dev_api.c:267)
[  240.192453][ T4365] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  240.192459][ T4365] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  240.192464][ T4365] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  240.192468][ T4365]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  240.192472][ T4365] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  240.192478][ T4365]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  240.192482][ T4365]  ? __nla_validate_parse (lib/nlattr.c:635)
[  240.192496][ T4365]  ? __nla_parse (lib/nlattr.c:732)
[  240.192499][ T4365]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  240.192504][ T4365]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  240.192507][ T4365]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  240.192515][ T4365]  ? security_capable (security/security.c:660 (discriminator 11))
[  240.192520][ T4365]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  240.192524][ T4365]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  240.192526][ T4365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  240.192528][ T4365]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  240.192533][ T4365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.192538][ T4365]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  240.192542][ T4365]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  240.192544][ T4365]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  240.192547][ T4365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  240.192554][ T4365]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  240.192557][ T4365]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  240.192561][ T4365]  genl_rcv (net/netlink/genetlink.c:1218)
[  240.192563][ T4365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  240.192567][ T4365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  240.192571][ T4365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.192574][ T4365]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  240.192578][ T4365]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  240.192580][ T4365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  240.192583][ T4365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  240.192588][ T4365]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  240.192591][ T4365]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  240.192595][ T4365]  __sys_sendto (net/socket.c:2281)
[  240.192598][ T4365]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  240.192609][ T4365]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  240.192615][ T4365]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  240.192617][ T4365]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  240.192621][ T4365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  240.192622][ T4365]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  240.192625][ T4365]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  240.192627][ T4365]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  240.192630][ T4365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  240.192632][ T4365] RIP: 0033:0x7f6cc2639312
[  240.192635][ T4365] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  240.192637][ T4365] RSP: 002b:00007ffc762a4788 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  240.192640][ T4365] RAX: ffffffffffffffda RBX: 00007ffc762a48b8 RCX: 00007f6cc2639312
[  240.192641][ T4365] RDX: 0000000000000030 RSI: 00007f6cbe2436f0 RDI: 0000000000000023
[  240.192642][ T4365] RBP: 00007ffc762a47b0 R08: 00007ffc762a4930 R09: 000000000000000c
[  240.192643][ T4365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6cc04922e0
[  240.192644][ T4365] R13: 00007ffc762a48b8 R14: 00007f6cc1f5801a R15: 00007ffc762a4ca8
| [  248.067787][ T4517] softirqs last disabled at (25118): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  248.067789][ T4517] Preemption disabled at:
| [  248.067790][ T4517] vprintk_emit (kernel/printk/printk.c:2471)
| [  248.067799][ T4517] Tainted: [W]=WARN
[  248.067800][ T4517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  248.067802][ T4517] Call Trace:
[  248.067804][ T4517]  <TASK>
[  248.067806][ T4517]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  248.067811][ T4517]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  248.067813][ T4517]  __might_resched.cold (kernel/sched/core.c:9234)
[  248.067817][ T4517]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  248.067822][ T4517]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  248.067826][ T4517]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  248.067828][ T4517]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  248.067834][ T4517]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  248.067837][ T4517]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  248.067841][ T4517]  put_chars (drivers/char/virtio_console.c:1176)
[  248.067843][ T4517]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  248.067845][ T4517]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  248.067848][ T4517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  248.067851][ T4517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  248.067854][ T4517]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  248.067858][ T4517]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  248.067862][ T4517]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  248.067864][ T4517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.067866][ T4517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.067870][ T4517]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  248.067873][ T4517]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  248.067876][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.067878][ T4517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  248.067882][ T4517]  console_emit_next_record (kernel/printk/printk.c:3183)
[  248.067886][ T4517]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  248.067888][ T4517]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  248.067891][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.067893][ T4517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  248.067897][ T4517]  console_flush_one_record (kernel/printk/printk.c:3268)
[  248.067901][ T4517]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  248.067903][ T4517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.067908][ T4517]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  248.067911][ T4517]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  248.067913][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.067915][ T4517]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  248.067918][ T4517]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  248.067920][ T4517]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  248.067923][ T4517]  vprintk_emit (kernel/printk/printk.c:2479)
[  248.067926][ T4517]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  248.067929][ T4517]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  248.067932][ T4517]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  248.067940][ T4517]  _printk (kernel/printk/printk.c:2504)
[  248.067944][ T4517]  ? snapshot_read.cold (user.c:?)
[  248.067948][ T4517]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  248.067952][ T4517]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  248.067956][ T4517]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  248.067959][ T4517]  ? netdev_notice (net/core/dev.c:13194)
[  248.067961][ T4517]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  248.067965][ T4517]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  248.067970][ T4517]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  248.067973][ T4517]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  248.067976][ T4517]  netif_set_promiscuity (net/core/dev.c:9699)
[  248.067980][ T4517]  dev_set_promiscuity (net/core/dev_api.c:288)
[  248.067982][ T4517]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  248.067986][ T4517] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  248.067992][ T4517] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  248.067997][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.067999][ T4517]  notifier_call_chain (kernel/notifier.c:85)
[  248.068005][ T4517]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  248.068009][ T4517]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  248.068017][ T4517]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  248.068018][ T4517]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  248.068021][ T4517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.068022][ T4517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.068024][ T4517]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  248.068045][ T4517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  248.068047][ T4517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  248.068050][ T4517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  248.068052][ T4517]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  248.068055][ T4517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.068059][ T4517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  248.068061][ T4517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  248.068063][ T4517]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  248.068065][ T4517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  248.068069][ T4517]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  248.068071][ T4517]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  248.068074][ T4517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  248.068075][ T4517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.068080][ T4517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  248.068082][ T4517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  248.068085][ T4517]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  248.068089][ T4517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  248.068092][ T4517]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  248.068098][ T4517]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  248.068100][ T4517]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  248.068104][ T4517]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  248.068108][ T4517]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  248.068111][ T4517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  248.068115][ T4517]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  248.068119][ T4517]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  248.068123][ T4517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  248.068124][ T4517]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  248.068130][ T4517]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  248.068139][ T4517]  ____sys_sendmsg (net/socket.c:2713)
[  248.068141][ T4517]  ? copy_msghdr_from_user (net/socket.c:2650)
[  248.068143][ T4517]  ? sock_write_iter (net/socket.c:1269)
[  248.068145][ T4517]  ? move_addr_to_kernel (net/socket.c:258)
[  248.068152][ T4517]  ___sys_sendmsg (net/socket.c:2767)
[  248.068155][ T4517]  ? copy_msghdr_from_user (net/socket.c:2619)
[  248.068171][ T4517]  __sys_sendmsg (net/socket.c:2799)
[  248.068174][ T4517]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  248.068180][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.068183][ T4517]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  248.068187][ T4517]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  248.068190][ T4517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  248.068192][ T4517] RIP: 0033:0x7f50845f854e
[  248.068196][ T4517] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  248.068198][ T4517] RSP: 002b:00007ffc737a2ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  248.068200][ T4517] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f50845f854e
[  248.068202][ T4517] RDX: 0000000000000000 RSI: 00007ffc737a2d50 RDI: 0000000000000005
[  248.068203][ T4517] RBP: 00007ffc737a2cb0 R08: 0000000000000000 R09: 0000000000000000
[  248.068204][ T4517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be38
[  248.068204][ T4517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc737a3410
| [  251.098557][ T4577] softirqs last disabled at (386152): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  251.098560][ T4577] Preemption disabled at:
| [  251.098560][ T4577] vprintk_emit (kernel/printk/printk.c:2471)
| [  251.098568][ T4577] Tainted: [W]=WARN
[  251.098569][ T4577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  251.098571][ T4577] Call Trace:
[  251.098573][ T4577]  <TASK>
[  251.098574][ T4577]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  251.098581][ T4577]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  251.098583][ T4577]  __might_resched.cold (kernel/sched/core.c:9234)
[  251.098587][ T4577]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  251.098591][ T4577]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  251.098596][ T4577]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  251.098598][ T4577]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  251.098604][ T4577]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  251.098607][ T4577]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  251.098611][ T4577]  put_chars (drivers/char/virtio_console.c:1176)
[  251.098613][ T4577]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  251.098616][ T4577]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  251.098619][ T4577]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  251.098622][ T4577]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  251.098626][ T4577]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  251.098630][ T4577]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  251.098632][ T4577]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  251.098634][ T4577]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  251.098638][ T4577]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  251.098640][ T4577]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  251.098644][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  251.098649][ T4577]  console_emit_next_record (kernel/printk/printk.c:3183)
[  251.098653][ T4577]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  251.098654][ T4577]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  251.098658][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.098660][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  251.098664][ T4577]  console_flush_one_record (kernel/printk/printk.c:3268)
[  251.098668][ T4577]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  251.098670][ T4577]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  251.098675][ T4577]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  251.098678][ T4577]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  251.098680][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.098682][ T4577]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  251.098686][ T4577]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  251.098687][ T4577]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  251.098690][ T4577]  vprintk_emit (kernel/printk/printk.c:2479)
[  251.098693][ T4577]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  251.098695][ T4577]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  251.098697][ T4577]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  251.098702][ T4577]  _printk (kernel/printk/printk.c:2504)
[  251.098706][ T4577]  ? snapshot_read.cold (user.c:?)
[  251.098708][ T4577]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  251.098713][ T4577]  ? idr_get_free (??:?)
[  251.098718][ T4577]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  251.098727][ T4577]  ? nla_get_range_signed (lib/nlattr.c:270)
[  251.098733][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.098735][ T4577]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  251.098739][ T4577]  __nla_validate_parse (lib/nlattr.c:635)
[  251.098744][ T4577]  __nla_parse (lib/nlattr.c:732)
[  251.098746][ T4577]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  251.098751][ T4577]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  251.098755][ T4577]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  251.098763][ T4577]  ? security_capable (security/security.c:660 (discriminator 11))
[  251.098767][ T4577]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  251.098771][ T4577]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  251.098773][ T4577]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  251.098776][ T4577]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  251.098784][ T4577]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  251.098789][ T4577]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  251.098793][ T4577]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  251.098795][ T4577]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  251.098798][ T4577]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  251.098805][ T4577]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  251.098807][ T4577]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  251.098811][ T4577]  genl_rcv (net/netlink/genetlink.c:1218)
[  251.098813][ T4577]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  251.098817][ T4577]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  251.098821][ T4577]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  251.098824][ T4577]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  251.098828][ T4577]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  251.098830][ T4577]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  251.098833][ T4577]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  251.098838][ T4577]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  251.098841][ T4577]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  251.098845][ T4577]  __sys_sendto (net/socket.c:2281)
[  251.098848][ T4577]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  251.098859][ T4577]  ? fput_close_sync (fs/file_table.c:617)
[  251.098862][ T4577]  ? alloc_file_clone (fs/file_table.c:479)
[  251.098866][ T4577]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  251.098868][ T4577]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  251.098872][ T4577]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  251.098874][ T4577]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  251.098877][ T4577]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  251.098879][ T4577]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  251.098881][ T4577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  251.098884][ T4577] RIP: 0033:0x7fcc7276e312
[  251.098887][ T4577] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  251.098889][ T4577] RSP: 002b:00007ffdef74d218 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  251.098892][ T4577] RAX: ffffffffffffffda RBX: 00007ffdef74d348 RCX: 00007fcc7276e312
[  251.098893][ T4577] RDX: 0000000000000044 RSI: 00007fcc6e33b050 RDI: 0000000000000020
[  251.098894][ T4577] RBP: 00007ffdef74d240 R08: 00007ffdef74d3c0 R09: 000000000000000c
[  251.098895][ T4577] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc705ce0b0
[  251.098896][ T4577] R13: 00007ffdef74d348 R14: 00007fcc7208d01a R15: 00007ffdef74d738
| [  252.367498][ T4626] softirqs last disabled at (374939): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  252.367500][ T4626] Preemption disabled at:
| [  252.367501][ T4626] vprintk_emit (kernel/printk/printk.c:2471)
| [  252.367509][ T4626] Tainted: [W]=WARN
[  252.367510][ T4626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  252.367512][ T4626] Call Trace:
[  252.367514][ T4626]  <TASK>
[  252.367515][ T4626]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  252.367522][ T4626]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  252.367523][ T4626]  __might_resched.cold (kernel/sched/core.c:9234)
[  252.367528][ T4626]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  252.367532][ T4626]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  252.367536][ T4626]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  252.367538][ T4626]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  252.367545][ T4626]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  252.367547][ T4626]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  252.367551][ T4626]  put_chars (drivers/char/virtio_console.c:1176)
[  252.367554][ T4626]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  252.367557][ T4626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  252.367560][ T4626]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  252.367565][ T4626]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  252.367569][ T4626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.367571][ T4626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.367575][ T4626]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  252.367579][ T4626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.367582][ T4626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  252.367586][ T4626]  console_emit_next_record (kernel/printk/printk.c:3183)
[  252.367590][ T4626]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  252.367592][ T4626]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  252.367596][ T4626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.367597][ T4626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  252.367601][ T4626]  console_flush_one_record (kernel/printk/printk.c:3268)
[  252.367606][ T4626]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  252.367608][ T4626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.367613][ T4626]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  252.367616][ T4626]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  252.367618][ T4626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.367620][ T4626]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  252.367624][ T4626]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  252.367626][ T4626]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  252.367628][ T4626]  vprintk_emit (kernel/printk/printk.c:2479)
[  252.367632][ T4626]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  252.367637][ T4626]  _printk (kernel/printk/printk.c:2504)
[  252.367641][ T4626]  ? snapshot_read.cold (user.c:?)
[  252.367644][ T4626]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  252.367647][ T4626]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  252.367651][ T4626]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  252.367653][ T4626]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  252.367657][ T4626]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  252.367660][ T4626]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  252.367664][ T4626]  ? netdev_notice (net/core/dev.c:13194)
[  252.367665][ T4626]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  252.367674][ T4626]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  252.367677][ T4626]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  252.367680][ T4626]  netif_set_promiscuity (net/core/dev.c:9699)
[  252.367684][ T4626]  dev_set_promiscuity (net/core/dev_api.c:288)
[  252.367686][ T4626]  ? dev_disable_lro (net/core/dev_api.c:267)
[  252.367689][ T4626] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  252.367694][ T4626] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  252.367699][ T4626] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  252.367703][ T4626]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  252.367708][ T4626] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  252.367714][ T4626]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  252.367717][ T4626]  ? __nla_validate_parse (lib/nlattr.c:635)
[  252.367724][ T4626]  ? __nla_parse (lib/nlattr.c:732)
[  252.367726][ T4626]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  252.367731][ T4626]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  252.367734][ T4626]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  252.367743][ T4626]  ? security_capable (security/security.c:660 (discriminator 11))
[  252.367747][ T4626]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  252.367751][ T4626]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  252.367753][ T4626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  252.367756][ T4626]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  252.367760][ T4626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.367766][ T4626]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  252.367769][ T4626]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  252.367771][ T4626]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  252.367775][ T4626]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  252.367782][ T4626]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  252.367784][ T4626]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  252.367788][ T4626]  genl_rcv (net/netlink/genetlink.c:1218)
[  252.367791][ T4626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  252.367795][ T4626]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  252.367797][ T4626]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  252.367802][ T4626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.367805][ T4626]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  252.367809][ T4626]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  252.367811][ T4626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  252.367814][ T4626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  252.367819][ T4626]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  252.367822][ T4626]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  252.367826][ T4626]  __sys_sendto (net/socket.c:2281)
[  252.367829][ T4626]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  252.367840][ T4626]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  252.367846][ T4626]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  252.367848][ T4626]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  252.367852][ T4626]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  252.367853][ T4626]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  252.367856][ T4626]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  252.367858][ T4626]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  252.367861][ T4626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  252.367863][ T4626] RIP: 0033:0x7fd57acbd312
[  252.367867][ T4626] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  252.367869][ T4626] RSP: 002b:00007fff3147f568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  252.367871][ T4626] RAX: ffffffffffffffda RBX: 00007fff3147f698 RCX: 00007fd57acbd312
[  252.367873][ T4626] RDX: 0000000000000030 RSI: 00007fd5780d4630 RDI: 0000000000000023
[  252.367874][ T4626] RBP: 00007fff3147f590 R08: 00007fff3147f710 R09: 000000000000000c
[  252.367875][ T4626] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd578b16190
[  252.367875][ T4626] R13: 00007fff3147f698 R14: 00007fd57a5dc01a R15: 00007fff3147fa88
| [  253.627875][ T4664] softirqs last disabled at (404904): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  253.627877][ T4664] Preemption disabled at:
| [  253.627878][ T4664] vprintk_emit (kernel/printk/printk.c:2471)
| [  253.627887][ T4664] Tainted: [W]=WARN
[  253.627888][ T4664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  253.627890][ T4664] Call Trace:
[  253.627892][ T4664]  <TASK>
[  253.627893][ T4664]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  253.627900][ T4664]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  253.627901][ T4664]  __might_resched.cold (kernel/sched/core.c:9234)
[  253.627906][ T4664]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  253.627910][ T4664]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  253.627915][ T4664]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  253.627917][ T4664]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  253.627923][ T4664]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  253.627926][ T4664]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  253.627929][ T4664]  put_chars (drivers/char/virtio_console.c:1176)
[  253.627932][ T4664]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  253.627935][ T4664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  253.627938][ T4664]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  253.627943][ T4664]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  253.627947][ T4664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  253.627949][ T4664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  253.627953][ T4664]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  253.627957][ T4664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  253.627960][ T4664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  253.627964][ T4664]  console_emit_next_record (kernel/printk/printk.c:3183)
[  253.627968][ T4664]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  253.627970][ T4664]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  253.627973][ T4664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  253.627975][ T4664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  253.627979][ T4664]  console_flush_one_record (kernel/printk/printk.c:3268)
[  253.627983][ T4664]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  253.627985][ T4664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  253.627990][ T4664]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  253.627993][ T4664]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  253.627995][ T4664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  253.627997][ T4664]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  253.628001][ T4664]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  253.628002][ T4664]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  253.628005][ T4664]  vprintk_emit (kernel/printk/printk.c:2479)
[  253.628008][ T4664]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  253.628014][ T4664]  _printk (kernel/printk/printk.c:2504)
[  253.628018][ T4664]  ? snapshot_read.cold (user.c:?)
[  253.628020][ T4664]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  253.628024][ T4664]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  253.628028][ T4664]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  253.628030][ T4664]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  253.628033][ T4664]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  253.628037][ T4664]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  253.628040][ T4664]  ? netdev_notice (net/core/dev.c:13194)
[  253.628042][ T4664]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  253.628051][ T4664]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  253.628054][ T4664]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  253.628057][ T4664]  netif_set_promiscuity (net/core/dev.c:9699)
[  253.628061][ T4664]  dev_set_promiscuity (net/core/dev_api.c:288)
[  253.628063][ T4664]  ? dev_disable_lro (net/core/dev_api.c:267)
[  253.628065][ T4664] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  253.628071][ T4664] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  253.628075][ T4664] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  253.628080][ T4664]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  253.628084][ T4664] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  253.628090][ T4664]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  253.628093][ T4664]  ? __nla_validate_parse (lib/nlattr.c:635)
[  253.628100][ T4664]  ? __nla_parse (lib/nlattr.c:732)
[  253.628102][ T4664]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  253.628107][ T4664]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  253.628111][ T4664]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  253.628119][ T4664]  ? security_capable (security/security.c:660 (discriminator 11))
[  253.628123][ T4664]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  253.628127][ T4664]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  253.628129][ T4664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  253.628132][ T4664]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  253.628136][ T4664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  253.628141][ T4664]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  253.628145][ T4664]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  253.628147][ T4664]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  253.628155][ T4664]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  253.628162][ T4664]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  253.628164][ T4664]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  253.628168][ T4664]  genl_rcv (net/netlink/genetlink.c:1218)
[  253.628171][ T4664]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  253.628175][ T4664]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  253.628177][ T4664]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  253.628182][ T4664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  253.628185][ T4664]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  253.628189][ T4664]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  253.628191][ T4664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  253.628194][ T4664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  253.628199][ T4664]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  253.628202][ T4664]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  253.628206][ T4664]  __sys_sendto (net/socket.c:2281)
[  253.628209][ T4664]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  253.628220][ T4664]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  253.628225][ T4664]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  253.628228][ T4664]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  253.628232][ T4664]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  253.628233][ T4664]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  253.628236][ T4664]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  253.628238][ T4664]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  253.628240][ T4664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  253.628243][ T4664] RIP: 0033:0x7fa5b6963312
[  253.628246][ T4664] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  253.628248][ T4664] RSP: 002b:00007ffd53a35a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  253.628251][ T4664] RAX: ffffffffffffffda RBX: 00007ffd53a35bc8 RCX: 00007fa5b6963312
[  253.628252][ T4664] RDX: 0000000000000030 RSI: 00007fa5b257aab0 RDI: 0000000000000023
[  253.628253][ T4664] RBP: 00007ffd53a35ac0 R08: 00007ffd53a35c40 R09: 000000000000000c
[  253.628254][ T4664] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5b47c6270
[  253.628255][ T4664] R13: 00007ffd53a35bc8 R14: 00007fa5b628201a R15: 00007ffd53a35fb8
| [  263.930052][ T4853] softirqs last disabled at (26054): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  263.930054][ T4853] Preemption disabled at:
| [  263.930055][ T4853] vprintk_emit (kernel/printk/printk.c:2471)
| [  263.930063][ T4853] Tainted: [W]=WARN
[  263.930064][ T4853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  263.930066][ T4853] Call Trace:
[  263.930068][ T4853]  <TASK>
[  263.930069][ T4853]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  263.930075][ T4853]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  263.930077][ T4853]  __might_resched.cold (kernel/sched/core.c:9234)
[  263.930082][ T4853]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  263.930086][ T4853]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  263.930090][ T4853]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  263.930092][ T4853]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  263.930098][ T4853]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  263.930102][ T4853]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  263.930105][ T4853]  put_chars (drivers/char/virtio_console.c:1176)
[  263.930107][ T4853]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  263.930109][ T4853]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  263.930112][ T4853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  263.930115][ T4853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  263.930118][ T4853]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  263.930122][ T4853]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  263.930126][ T4853]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  263.930128][ T4853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.930130][ T4853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.930134][ T4853]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  263.930137][ T4853]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  263.930140][ T4853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.930142][ T4853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  263.930146][ T4853]  console_emit_next_record (kernel/printk/printk.c:3183)
[  263.930150][ T4853]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  263.930152][ T4853]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  263.930155][ T4853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.930157][ T4853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  263.930161][ T4853]  console_flush_one_record (kernel/printk/printk.c:3268)
[  263.930165][ T4853]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  263.930167][ T4853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.930173][ T4853]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  263.930176][ T4853]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  263.930178][ T4853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.930179][ T4853]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  263.930183][ T4853]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  263.930189][ T4853]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  263.930192][ T4853]  vprintk_emit (kernel/printk/printk.c:2479)
[  263.930195][ T4853]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  263.930197][ T4853]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  263.930200][ T4853]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  263.930210][ T4853]  _printk (kernel/printk/printk.c:2504)
[  263.930213][ T4853]  ? snapshot_read.cold (user.c:?)
[  263.930218][ T4853]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  263.930221][ T4853]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  263.930225][ T4853]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  263.930228][ T4853]  ? netdev_notice (net/core/dev.c:13194)
[  263.930230][ T4853]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  263.930234][ T4853]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  263.930239][ T4853]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  263.930242][ T4853]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  263.930245][ T4853]  netif_set_promiscuity (net/core/dev.c:9699)
[  263.930249][ T4853]  dev_set_promiscuity (net/core/dev_api.c:288)
[  263.930251][ T4853]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  263.930255][ T4853] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  263.930263][ T4853] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  263.930267][ T4853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.930269][ T4853]  notifier_call_chain (kernel/notifier.c:85)
[  263.930275][ T4853]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  263.930280][ T4853]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  263.930287][ T4853]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  263.930289][ T4853]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  263.930291][ T4853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.930293][ T4853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.930295][ T4853]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  263.930318][ T4853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  263.930320][ T4853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.930323][ T4853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  263.930325][ T4853]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  263.930327][ T4853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.930332][ T4853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  263.930334][ T4853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.930336][ T4853]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  263.930338][ T4853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  263.930341][ T4853]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  263.930344][ T4853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  263.930347][ T4853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  263.930348][ T4853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.930353][ T4853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  263.930355][ T4853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.930358][ T4853]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  263.930361][ T4853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  263.930364][ T4853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  263.930371][ T4853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  263.930373][ T4853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  263.930377][ T4853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  263.930381][ T4853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  263.930384][ T4853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.930388][ T4853]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  263.930392][ T4853]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  263.930396][ T4853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  263.930397][ T4853]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  263.930403][ T4853]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  263.930407][ T4853]  ____sys_sendmsg (net/socket.c:2713)
[  263.930409][ T4853]  ? copy_msghdr_from_user (net/socket.c:2650)
[  263.930411][ T4853]  ? sock_write_iter (net/socket.c:1269)
[  263.930413][ T4853]  ? move_addr_to_kernel (net/socket.c:258)
[  263.930420][ T4853]  ___sys_sendmsg (net/socket.c:2767)
[  263.930423][ T4853]  ? copy_msghdr_from_user (net/socket.c:2619)
[  263.930439][ T4853]  __sys_sendmsg (net/socket.c:2799)
[  263.930442][ T4853]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  263.930448][ T4853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.930451][ T4853]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  263.930455][ T4853]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  263.930458][ T4853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  263.930461][ T4853] RIP: 0033:0x7efdc13c954e
[  263.930464][ T4853] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  263.930466][ T4853] RSP: 002b:00007fffe84f6490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  263.930469][ T4853] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007efdc13c954e
[  263.930471][ T4853] RDX: 0000000000000000 RSI: 00007fffe84f6540 RDI: 0000000000000005
[  263.930472][ T4853] RBP: 00007fffe84f64a0 R08: 0000000000000000 R09: 0000000000000000
[  263.930472][ T4853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be48
[  263.930473][ T4853] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe84f6c00
| [  266.946255][ T4910] softirqs last disabled at (387214): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  266.946257][ T4910] Preemption disabled at:
| [  266.946258][ T4910] vprintk_emit (kernel/printk/printk.c:2471)
| [  266.946266][ T4910] Tainted: [W]=WARN
[  266.946267][ T4910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  266.946269][ T4910] Call Trace:
[  266.946271][ T4910]  <TASK>
[  266.946272][ T4910]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  266.946279][ T4910]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  266.946281][ T4910]  __might_resched.cold (kernel/sched/core.c:9234)
[  266.946285][ T4910]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  266.946289][ T4910]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  266.946294][ T4910]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  266.946296][ T4910]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  266.946302][ T4910]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  266.946305][ T4910]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  266.946313][ T4910]  put_chars (drivers/char/virtio_console.c:1176)
[  266.946315][ T4910]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  266.946322][ T4910]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  266.946330][ T4910]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  266.946333][ T4910]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  266.946337][ T4910]  console_emit_next_record (kernel/printk/printk.c:3183)
[  266.946342][ T4910]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  266.946344][ T4910]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  266.946347][ T4910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  266.946350][ T4910]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  266.946354][ T4910]  console_flush_one_record (kernel/printk/printk.c:3268)
[  266.946358][ T4910]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  266.946360][ T4910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.946366][ T4910]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  266.946369][ T4910]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  266.946371][ T4910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  266.946373][ T4910]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  266.946377][ T4910]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  266.946379][ T4910]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  266.946381][ T4910]  vprintk_emit (kernel/printk/printk.c:2479)
[  266.946385][ T4910]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  266.946386][ T4910]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  266.946388][ T4910]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  266.946392][ T4910]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  266.946394][ T4910]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  266.946398][ T4910]  _printk (kernel/printk/printk.c:2504)
[  266.946402][ T4910]  ? snapshot_read.cold (user.c:?)
[  266.946406][ T4910]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  266.946410][ T4910]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  266.946414][ T4910]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  266.946417][ T4910]  ? netdev_notice (net/core/dev.c:13194)
[  266.946420][ T4910]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  266.946423][ T4910]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  266.946428][ T4910]  ? register_netdevice (net/core/dev.c:11556)
[  266.946432][ T4910]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  266.946434][ T4910]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  266.946436][ T4910]  ? unregister_netdev (net/core/dev.c:12699)
[  266.946438][ T4910]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  266.946441][ T4910]  netif_set_promiscuity (net/core/dev.c:9699)
[  266.946445][ T4910]  dev_set_promiscuity (net/core/dev_api.c:288)
[  266.946448][ T4910] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  266.946454][ T4910] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  266.946459][ T4910] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  266.946464][ T4910] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  266.946471][ T4910]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  266.946475][ T4910]  ? __nla_validate_parse (lib/nlattr.c:635)
[  266.946481][ T4910]  ? __nla_parse (lib/nlattr.c:732)
[  266.946484][ T4910]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  266.946489][ T4910]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  266.946492][ T4910]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  266.946501][ T4910]  ? security_capable (security/security.c:660 (discriminator 11))
[  266.946506][ T4910]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  266.946510][ T4910]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  266.946512][ T4910]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  266.946515][ T4910]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  266.946519][ T4910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.946525][ T4910]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  266.946528][ T4910]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  266.946531][ T4910]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  266.946534][ T4910]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  266.946541][ T4910]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  266.946544][ T4910]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  266.946548][ T4910]  genl_rcv (net/netlink/genetlink.c:1218)
[  266.946550][ T4910]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  266.946554][ T4910]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  266.946558][ T4910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.946562][ T4910]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  266.946566][ T4910]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  266.946567][ T4910]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  266.946571][ T4910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  266.946576][ T4910]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  266.946578][ T4910]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  266.946582][ T4910]  __sys_sendto (net/socket.c:2281)
[  266.946586][ T4910]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  266.946596][ T4910]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  266.946602][ T4910]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  266.946604][ T4910]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  266.946608][ T4910]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  266.946609][ T4910]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  266.946612][ T4910]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  266.946614][ T4910]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  266.946617][ T4910]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  266.946619][ T4910] RIP: 0033:0x7f850849a312
[  266.946623][ T4910] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  266.946625][ T4910] RSP: 002b:00007fff42683838 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  266.946628][ T4910] RAX: ffffffffffffffda RBX: 00007fff42683968 RCX: 00007f850849a312
[  266.946629][ T4910] RDX: 0000000000000034 RSI: 00007f85040991b0 RDI: 0000000000000020
[  266.946630][ T4910] RBP: 00007fff42683860 R08: 00007fff426839e0 R09: 000000000000000c
[  266.946631][ T4910] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85062fa120
[  266.946632][ T4910] R13: 00007fff42683968 R14: 00007f8507db901a R15: 00007fff42683d58
| [  268.429183][ T4965] softirqs last disabled at (431822): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  268.429186][ T4965] Preemption disabled at:
| [  268.429187][ T4965] vprintk_emit (kernel/printk/printk.c:2471)
| [  268.429195][ T4965] Tainted: [W]=WARN
[  268.429196][ T4965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  268.429198][ T4965] Call Trace:
[  268.429199][ T4965]  <TASK>
[  268.429206][ T4965]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  268.429212][ T4965]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  268.429214][ T4965]  __might_resched.cold (kernel/sched/core.c:9234)
[  268.429218][ T4965]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  268.429223][ T4965]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  268.429228][ T4965]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  268.429229][ T4965]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  268.429236][ T4965]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  268.429239][ T4965]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  268.429243][ T4965]  put_chars (drivers/char/virtio_console.c:1176)
[  268.429245][ T4965]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  268.429249][ T4965]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  268.429252][ T4965]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  268.429257][ T4965]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  268.429261][ T4965]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.429263][ T4965]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.429268][ T4965]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  268.429272][ T4965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.429274][ T4965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.429278][ T4965]  console_emit_next_record (kernel/printk/printk.c:3183)
[  268.429283][ T4965]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  268.429284][ T4965]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  268.429288][ T4965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.429290][ T4965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.429294][ T4965]  console_flush_one_record (kernel/printk/printk.c:3268)
[  268.429298][ T4965]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  268.429301][ T4965]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.429307][ T4965]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  268.429310][ T4965]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  268.429314][ T4965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.429316][ T4965]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  268.429320][ T4965]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  268.429322][ T4965]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  268.429325][ T4965]  vprintk_emit (kernel/printk/printk.c:2479)
[  268.429329][ T4965]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  268.429334][ T4965]  _printk (kernel/printk/printk.c:2504)
[  268.429338][ T4965]  ? snapshot_read.cold (user.c:?)
[  268.429341][ T4965]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  268.429344][ T4965]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  268.429348][ T4965]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  268.429350][ T4965]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  268.429354][ T4965]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  268.429358][ T4965]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  268.429360][ T4965]  ? netdev_notice (net/core/dev.c:13194)
[  268.429362][ T4965]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  268.429372][ T4965]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  268.429374][ T4965]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  268.429378][ T4965]  netif_set_promiscuity (net/core/dev.c:9699)
[  268.429382][ T4965]  dev_set_promiscuity (net/core/dev_api.c:288)
[  268.429384][ T4965]  ? dev_disable_lro (net/core/dev_api.c:267)
[  268.429386][ T4965] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  268.429392][ T4965] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  268.429397][ T4965] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  268.429401][ T4965]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  268.429406][ T4965] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  268.429412][ T4965]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  268.429415][ T4965]  ? __nla_validate_parse (lib/nlattr.c:635)
[  268.429421][ T4965]  ? __nla_parse (lib/nlattr.c:732)
[  268.429424][ T4965]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  268.429429][ T4965]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  268.429432][ T4965]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  268.429441][ T4965]  ? security_capable (security/security.c:660 (discriminator 11))
[  268.429446][ T4965]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  268.429450][ T4965]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  268.429452][ T4965]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  268.429454][ T4965]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  268.429459][ T4965]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.429464][ T4965]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  268.429468][ T4965]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  268.429470][ T4965]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  268.429474][ T4965]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  268.429481][ T4965]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  268.429483][ T4965]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  268.429487][ T4965]  genl_rcv (net/netlink/genetlink.c:1218)
[  268.429490][ T4965]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  268.429494][ T4965]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  268.429498][ T4965]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.429501][ T4965]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  268.429505][ T4965]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  268.429507][ T4965]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  268.429510][ T4965]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  268.429515][ T4965]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  268.429518][ T4965]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  268.429522][ T4965]  __sys_sendto (net/socket.c:2281)
[  268.429525][ T4965]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  268.429536][ T4965]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  268.429543][ T4965]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  268.429545][ T4965]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  268.429549][ T4965]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  268.429551][ T4965]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  268.429553][ T4965]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  268.429555][ T4965]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  268.429558][ T4965]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  268.429560][ T4965] RIP: 0033:0x7fe8569aa312
[  268.429564][ T4965] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  268.429565][ T4965] RSP: 002b:00007ffe1f063d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  268.429568][ T4965] RAX: ffffffffffffffda RBX: 00007ffe1f063ea8 RCX: 00007fe8569aa312
[  268.429570][ T4965] RDX: 0000000000000030 RSI: 00007fe8525c2330 RDI: 0000000000000023
[  268.429570][ T4965] RBP: 00007ffe1f063da0 R08: 00007ffe1f063f20 R09: 000000000000000c
[  268.429571][ T4965] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe85480a2e0
[  268.429572][ T4965] R13: 00007ffe1f063ea8 R14: 00007fe8562c901a R15: 00007ffe1f064298
| [  270.730809][ T5060] softirqs last disabled at (388278): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  270.730812][ T5060] Preemption disabled at:
| [  270.730813][ T5060] vprintk_emit (kernel/printk/printk.c:2471)
| [  270.730821][ T5060] Tainted: [W]=WARN
[  270.730822][ T5060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  270.730824][ T5060] Call Trace:
[  270.730826][ T5060]  <TASK>
[  270.730827][ T5060]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  270.730834][ T5060]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  270.730835][ T5060]  __might_resched.cold (kernel/sched/core.c:9234)
[  270.730840][ T5060]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  270.730844][ T5060]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  270.730848][ T5060]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  270.730850][ T5060]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  270.730857][ T5060]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  270.730860][ T5060]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  270.730864][ T5060]  put_chars (drivers/char/virtio_console.c:1176)
[  270.730866][ T5060]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  270.730867][ T5060]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  270.730871][ T5060]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  270.730877][ T5060]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  270.730884][ T5060]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  270.730887][ T5060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.730889][ T5060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.730893][ T5060]  console_emit_next_record (kernel/printk/printk.c:3183)
[  270.730897][ T5060]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  270.730899][ T5060]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  270.730902][ T5060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.730904][ T5060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.730908][ T5060]  console_flush_one_record (kernel/printk/printk.c:3268)
[  270.730912][ T5060]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  270.730914][ T5060]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.730920][ T5060]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  270.730923][ T5060]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  270.730925][ T5060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.730926][ T5060]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  270.730930][ T5060]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  270.730932][ T5060]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  270.730935][ T5060]  vprintk_emit (kernel/printk/printk.c:2479)
[  270.730939][ T5060]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  270.730941][ T5060]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  270.730946][ T5060]  _printk (kernel/printk/printk.c:2504)
[  270.730949][ T5060]  ? snapshot_read.cold (user.c:?)
[  270.730951][ T5060]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  270.730957][ T5060]  ? idr_get_free (??:?)
[  270.730960][ T5060]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  270.730969][ T5060] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  270.730977][ T5060]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  270.730981][ T5060]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  270.730984][ T5060]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  270.730986][ T5060]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  270.730988][ T5060]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  270.730991][ T5060]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  270.730993][ T5060]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  270.730994][ T5060]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  270.730997][ T5060]  ? __sys_sendto (net/socket.c:2281)
[  270.730999][ T5060]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  270.731018][ T5060]  ? __nla_parse (lib/nlattr.c:732)
[  270.731022][ T5060]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  270.731027][ T5060]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  270.731031][ T5060]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  270.731039][ T5060]  ? security_capable (security/security.c:660 (discriminator 11))
[  270.731043][ T5060]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  270.731047][ T5060]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  270.731049][ T5060]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  270.731052][ T5060]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  270.731057][ T5060]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.731062][ T5060]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  270.731065][ T5060]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  270.731067][ T5060]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  270.731071][ T5060]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  270.731078][ T5060]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  270.731080][ T5060]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  270.731084][ T5060]  genl_rcv (net/netlink/genetlink.c:1218)
[  270.731086][ T5060]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  270.731090][ T5060]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  270.731094][ T5060]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.731097][ T5060]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  270.731101][ T5060]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  270.731103][ T5060]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  270.731106][ T5060]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  270.731111][ T5060]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  270.731113][ T5060]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  270.731117][ T5060]  __sys_sendto (net/socket.c:2281)
[  270.731119][ T5060]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  270.731130][ T5060]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  270.731135][ T5060]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  270.731138][ T5060]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  270.731141][ T5060]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  270.731143][ T5060]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  270.731146][ T5060]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  270.731148][ T5060]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  270.731150][ T5060]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  270.731152][ T5060] RIP: 0033:0x7fee82c65312
[  270.731156][ T5060] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  270.731158][ T5060] RSP: 002b:00007ffd8dfac268 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  270.731160][ T5060] RAX: ffffffffffffffda RBX: 00007ffd8dfac398 RCX: 00007fee82c65312
[  270.731162][ T5060] RDX: 00000000000000c4 RSI: 00007fee809b91b0 RDI: 0000000000000026
[  270.731163][ T5060] RBP: 00007ffd8dfac290 R08: 00007ffd8dfac410 R09: 000000000000000c
[  270.731164][ T5060] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee80abe430
[  270.731165][ T5060] R13: 00007ffd8dfac398 R14: 00007fee8258401a R15: 00007ffd8dfac788
| [  272.474989][ T5106] softirqs last disabled at (383242): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  272.474991][ T5106] Preemption disabled at:
| [  272.474992][ T5106] vprintk_emit (kernel/printk/printk.c:2471)
| [  272.475001][ T5106] Tainted: [W]=WARN
[  272.475002][ T5106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  272.475004][ T5106] Call Trace:
[  272.475006][ T5106]  <TASK>
[  272.475007][ T5106]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  272.475014][ T5106]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  272.475015][ T5106]  __might_resched.cold (kernel/sched/core.c:9234)
[  272.475020][ T5106]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  272.475024][ T5106]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  272.475029][ T5106]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  272.475031][ T5106]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  272.475038][ T5106]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  272.475040][ T5106]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  272.475044][ T5106]  put_chars (drivers/char/virtio_console.c:1176)
[  272.475047][ T5106]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  272.475048][ T5106]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  272.475051][ T5106]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  272.475057][ T5106]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  272.475065][ T5106]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  272.475068][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.475070][ T5106]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  272.475074][ T5106]  console_emit_next_record (kernel/printk/printk.c:3183)
[  272.475078][ T5106]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  272.475080][ T5106]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  272.475083][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.475085][ T5106]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  272.475089][ T5106]  console_flush_one_record (kernel/printk/printk.c:3268)
[  272.475093][ T5106]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  272.475095][ T5106]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.475101][ T5106]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  272.475104][ T5106]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  272.475105][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.475107][ T5106]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  272.475111][ T5106]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  272.475113][ T5106]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  272.475116][ T5106]  vprintk_emit (kernel/printk/printk.c:2479)
[  272.475119][ T5106]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  272.475121][ T5106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  272.475126][ T5106]  _printk (kernel/printk/printk.c:2504)
[  272.475130][ T5106]  ? snapshot_read.cold (user.c:?)
[  272.475132][ T5106]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  272.475137][ T5106]  ? idr_get_free (??:?)
[  272.475140][ T5106]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  272.475149][ T5106] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  272.475157][ T5106]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  272.475161][ T5106]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  272.475164][ T5106]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  272.475166][ T5106]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  272.475168][ T5106]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  272.475171][ T5106]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  272.475173][ T5106]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  272.475174][ T5106]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  272.475177][ T5106]  ? __sys_sendto (net/socket.c:2281)
[  272.475179][ T5106]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  272.475198][ T5106]  ? __nla_parse (lib/nlattr.c:732)
[  272.475202][ T5106]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  272.475207][ T5106]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  272.475210][ T5106]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  272.475226][ T5106]  ? security_capable (security/security.c:660 (discriminator 11))
[  272.475230][ T5106]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  272.475234][ T5106]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  272.475237][ T5106]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  272.475240][ T5106]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  272.475244][ T5106]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.475249][ T5106]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  272.475253][ T5106]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  272.475255][ T5106]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  272.475258][ T5106]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  272.475265][ T5106]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  272.475267][ T5106]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  272.475271][ T5106]  genl_rcv (net/netlink/genetlink.c:1218)
[  272.475274][ T5106]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  272.475278][ T5106]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  272.475281][ T5106]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.475285][ T5106]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  272.475289][ T5106]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  272.475290][ T5106]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  272.475293][ T5106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  272.475298][ T5106]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  272.475300][ T5106]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  272.475304][ T5106]  __sys_sendto (net/socket.c:2281)
[  272.475307][ T5106]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  272.475320][ T5106]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  272.475326][ T5106]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  272.475328][ T5106]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  272.475331][ T5106]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  272.475333][ T5106]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  272.475335][ T5106]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  272.475337][ T5106]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  272.475340][ T5106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  272.475342][ T5106] RIP: 0033:0x7f3a3c73f312
[  272.475346][ T5106] Code: 08 0f 85 71 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 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   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)
[  272.475348][ T5106] RSP: 002b:00007ffc92eed738 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  272.475350][ T5106] RAX: ffffffffffffffda RBX: 00007ffc92eed868 RCX: 00007f3a3c73f312
[  272.475352][ T5106] RDX: 00000000000000a4 RSI: 00007f3a3a41f9f0 RDI: 0000000000000026
[  272.475353][ T5106] RBP: 00007ffc92eed760 R08: 00007ffc92eed8e0 R09: 000000000000000c
[  272.475354][ T5106] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3a3a5a2350
[  272.475355][ T5106] R13: 00007ffc92eed868 R14: 00007f3a3c05e01a R15: 00007ffc92eedc58
| [  277.746943][ T5247] softirqs last disabled at (22932): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  277.746945][ T5247] Preemption disabled at:
| [  277.746946][ T5247] vprintk_emit (kernel/printk/printk.c:2471)
| [  277.746955][ T5247] Tainted: [W]=WARN
[  277.746956][ T5247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  277.746958][ T5247] Call Trace:
[  277.746960][ T5247]  <TASK>
[  277.746961][ T5247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  277.746967][ T5247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  277.746969][ T5247]  __might_resched.cold (kernel/sched/core.c:9234)
[  277.746973][ T5247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  277.746977][ T5247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  277.746982][ T5247]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  277.746984][ T5247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  277.746990][ T5247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  277.746993][ T5247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  277.746996][ T5247]  put_chars (drivers/char/virtio_console.c:1176)
[  277.746998][ T5247]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  277.747001][ T5247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  277.747003][ T5247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  277.747006][ T5247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  277.747009][ T5247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  277.747013][ T5247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  277.747018][ T5247]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  277.747020][ T5247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  277.747021][ T5247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  277.747026][ T5247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  277.747028][ T5247]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  277.747032][ T5247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.747034][ T5247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  277.747038][ T5247]  console_emit_next_record (kernel/printk/printk.c:3183)
[  277.747042][ T5247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  277.747044][ T5247]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  277.747047][ T5247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.747049][ T5247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  277.747052][ T5247]  console_flush_one_record (kernel/printk/printk.c:3268)
[  277.747057][ T5247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  277.747058][ T5247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  277.747064][ T5247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  277.747067][ T5247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  277.747069][ T5247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.747070][ T5247]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  277.747074][ T5247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  277.747076][ T5247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  277.747079][ T5247]  vprintk_emit (kernel/printk/printk.c:2479)
[  277.747082][ T5247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  277.747085][ T5247]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  277.747088][ T5247]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  277.747097][ T5247]  _printk (kernel/printk/printk.c:2504)
[  277.747101][ T5247]  ? snapshot_read.cold (user.c:?)
[  277.747105][ T5247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  277.747109][ T5247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  277.747113][ T5247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  277.747115][ T5247]  ? netdev_notice (net/core/dev.c:13194)
[  277.747117][ T5247]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  277.747121][ T5247]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  277.747127][ T5247]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  277.747129][ T5247]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  277.747133][ T5247]  netif_set_promiscuity (net/core/dev.c:9699)
[  277.747136][ T5247]  dev_set_promiscuity (net/core/dev_api.c:288)
[  277.747138][ T5247]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  277.747142][ T5247] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  277.747149][ T5247] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  277.747153][ T5247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.747155][ T5247]  notifier_call_chain (kernel/notifier.c:85)
[  277.747161][ T5247]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  277.747166][ T5247]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  277.747173][ T5247]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  277.747175][ T5247]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  277.747177][ T5247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  277.747179][ T5247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  277.747181][ T5247]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  277.747202][ T5247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  277.747204][ T5247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  277.747207][ T5247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  277.747209][ T5247]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  277.747211][ T5247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  277.747216][ T5247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  277.747218][ T5247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  277.747220][ T5247]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  277.747222][ T5247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  277.747226][ T5247]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  277.747228][ T5247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  277.747231][ T5247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  277.747232][ T5247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  277.747242][ T5247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  277.747244][ T5247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  277.747247][ T5247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  277.747251][ T5247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  277.747254][ T5247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  277.747260][ T5247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  277.747262][ T5247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  277.747267][ T5247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  277.747270][ T5247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  277.747273][ T5247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  277.747277][ T5247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  277.747281][ T5247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  277.747285][ T5247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  277.747287][ T5247]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  277.747292][ T5247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  277.747296][ T5247]  ____sys_sendmsg (net/socket.c:2713)
[  277.747298][ T5247]  ? copy_msghdr_from_user (net/socket.c:2650)
[  277.747301][ T5247]  ? sock_write_iter (net/socket.c:1269)
[  277.747303][ T5247]  ? move_addr_to_kernel (net/socket.c:258)
[  277.747310][ T5247]  ___sys_sendmsg (net/socket.c:2767)
[  277.747315][ T5247]  ? copy_msghdr_from_user (net/socket.c:2619)
[  277.747330][ T5247]  __sys_sendmsg (net/socket.c:2799)
[  277.747334][ T5247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  277.747340][ T5247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.747343][ T5247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  277.747347][ T5247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  277.747350][ T5247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  277.747352][ T5247] RIP: 0033:0x7f9fec88854e
[  277.747355][ T5247] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[  277.747357][ T5247] RSP: 002b:00007fff67b58ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  277.747360][ T5247] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9fec88854e
[  277.747361][ T5247] RDX: 0000000000000000 RSI: 00007fff67b58f50 RDI: 0000000000000005
[  277.747362][ T5247] RBP: 00007fff67b58eb0 R08: 0000000000000000 R09: 0000000000000000
[  277.747363][ T5247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be56


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars