======================================
| [   10.848886][  T181] softirqs last disabled at (86751): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.848889][  T181] Preemption disabled at:
| [   10.848889][  T181] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.848898][  T181] Tainted: [W]=WARN
[   10.848899][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.848901][  T181] Call Trace:
[   10.848902][  T181]  <TASK>
[   10.848903][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.848909][  T181]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.848911][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.848916][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.848920][  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)
[   10.848924][  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))
[   10.848926][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.848933][  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)
[   10.848936][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.848940][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[   10.848942][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.848945][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.848948][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.848951][  T181]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.848955][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.848959][  T181]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.848961][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.848963][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.848967][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.848969][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.848973][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.848977][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.848981][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.848983][  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))
[   10.848986][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.848988][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.848992][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.848996][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.848998][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.849003][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.849006][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.849008][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.849010][  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)
[   10.849014][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.849015][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.849018][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.849021][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.849026][  T181]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   10.849032][  T181]  _printk (kernel/printk/printk.c:2504)
[   10.849036][  T181]  ? snapshot_read.cold (user.c:?)
[   10.849043][  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)
[   10.849047][  T181] dp_init (net/openvswitch/actions.c:729) openvswitch
[   10.849054][  T181]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   10.849057][  T181]  do_one_initcall (init/main.c:1357)
[   10.849059][  T181]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.849064][  T181]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.849067][  T181]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.849072][  T181]  do_init_module (kernel/module/main.c:3117)
[   10.849075][  T181]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.849080][  T181]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.849082][  T181]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.849086][  T181]  load_module (kernel/module/main.c:3593)
[   10.849091][  T181]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   10.849096][  T181]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.849099][  T181]  ? __ia32_sys_fsconfig (??:?)
[   10.849103][  T181]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.849107][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.849110][  T181]  init_module_from_file (kernel/module/main.c:3790)
[   10.849113][  T181]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.849120][  T181]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.849124][  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)
[   10.849127][  T181]  idempotent_init_module (kernel/module/main.c:3802)
[   10.849130][  T181]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.849135][  T181]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.849137][  T181]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   10.849143][  T181]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.849144][  T181]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.849148][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.849151][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.849154][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.849156][  T181] RIP: 0033:0x7f81f16f137d
[   10.849159][  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
[   10.849161][  T181] RSP: 002b:00007ffc78f5c568 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.849163][  T181] RAX: ffffffffffffffda RBX: 000055fa6cd81810 RCX: 00007f81f16f137d
[   10.849165][  T181] RDX: 0000000000000000 RSI: 000055fa33bb3ffd RDI: 0000000000000005
[   10.849166][  T181] RBP: 00007ffc78f5c600 R08: 0000000000000000 R09: 646f6d2f62696c2f
[   10.849166][  T181] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fa33bb3ffd
[   10.849167][  T181] R13: 000055fa6cd81a90 R14: 0000000000040000 R15: 0000000000000000
| [   12.491274][  T212] softirqs last disabled at (391828): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.491276][  T212] Preemption disabled at:
| [   12.491277][  T212] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.491285][  T212] Tainted: [W]=WARN
[   12.491286][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.491288][  T212] Call Trace:
[   12.491289][  T212]  <TASK>
[   12.491291][  T212]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.491297][  T212]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.491299][  T212]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.491303][  T212]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.491308][  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)
[   12.491313][  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))
[   12.491314][  T212]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.491321][  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)
[   12.491324][  T212]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.491331][  T212]  put_chars (drivers/char/virtio_console.c:1176)
[   12.491334][  T212]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.491335][  T212]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   12.491340][  T212]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.491343][  T212]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.491347][  T212]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.491350][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.491351][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.491356][  T212]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.491357][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.491370][  T212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.491374][  T212]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.491378][  T212]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.491380][  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))
[   12.491383][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491386][  T212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.491390][  T212]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.491394][  T212]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.491396][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.491401][  T212]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.491404][  T212]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.491406][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491408][  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)
[   12.491412][  T212]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.491414][  T212]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.491416][  T212]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.491419][  T212]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.491421][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.491423][  T212]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   12.491428][  T212]  _printk (kernel/printk/printk.c:2504)
[   12.491431][  T212]  ? snapshot_read.cold (user.c:?)
[   12.491433][  T212]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   12.491438][  T212]  ? idr_get_free (??:?)
[   12.491443][  T212]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   12.491451][  T212]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.491457][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491459][  T212]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   12.491463][  T212]  __nla_validate_parse (lib/nlattr.c:635)
[   12.491467][  T212]  __nla_parse (lib/nlattr.c:732)
[   12.491470][  T212]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   12.491475][  T212]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   12.491478][  T212]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   12.491486][  T212]  ? security_capable (security/security.c:660 (discriminator 11))
[   12.491491][  T212]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   12.491494][  T212]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   12.491497][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.491500][  T212]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   12.491508][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.491513][  T212]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   12.491517][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.491519][  T212]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   12.491522][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.491529][  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))
[   12.491531][  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))
[   12.491535][  T212]  genl_rcv (net/netlink/genetlink.c:1218)
[   12.491537][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.491541][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.491545][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.491548][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.491553][  T212]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.491554][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.491557][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.491562][  T212]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.491565][  T212]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   12.491569][  T212]  __sys_sendto (net/socket.c:2281)
[   12.491572][  T212]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.491583][  T212]  ? fput_close_sync (fs/file_table.c:617)
[   12.491586][  T212]  ? alloc_file_clone (fs/file_table.c:479)
[   12.491590][  T212]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.491593][  T212]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.491596][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.491599][  T212]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.491601][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.491603][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.491606][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.491608][  T212] RIP: 0033:0x7f690ec68312
[   12.491611][  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)
[   12.491613][  T212] RSP: 002b:00007ffd76c010b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.491616][  T212] RAX: ffffffffffffffda RBX: 00007ffd76c011e8 RCX: 00007f690ec68312
[   12.491617][  T212] RDX: 0000000000000044 RSI: 00007f690676af10 RDI: 0000000000000020
[   12.491618][  T212] RBP: 00007ffd76c010e0 R08: 00007ffd76c01260 R09: 000000000000000c
[   12.491619][  T212] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f690cad2120
[   12.491619][  T212] R13: 00007ffd76c011e8 R14: 00007f690e58701a R15: 00007ffd76c015d8
| [   13.779521][  T260] softirqs last disabled at (398117): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.779524][  T260] Preemption disabled at:
| [   13.779524][  T260] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.779533][  T260] Tainted: [W]=WARN
[   13.779534][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.779535][  T260] Call Trace:
[   13.779537][  T260]  <TASK>
[   13.779538][  T260]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.779545][  T260]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.779547][  T260]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.779551][  T260]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.779556][  T260]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.779560][  T260]  __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))
[   13.779562][  T260]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.779569][  T260]  ? 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)
[   13.779572][  T260]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.779576][  T260]  put_chars (drivers/char/virtio_console.c:1176)
[   13.779578][  T260]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.779582][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.779585][  T260]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.779589][  T260]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.779594][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.779595][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.779600][  T260]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.779604][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.779606][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.779610][  T260]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.779614][  T260]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.779616][  T260]  ? 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))
[   13.779620][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.779621][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.779625][  T260]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.779630][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.779632][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.779637][  T260]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.779640][  T260]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.779642][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.779644][  T260]  ? 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)
[   13.779648][  T260]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.779650][  T260]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.779652][  T260]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.779656][  T260]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.779661][  T260]  _printk (kernel/printk/printk.c:2504)
[   13.779665][  T260]  ? snapshot_read.cold (user.c:?)
[   13.779668][  T260]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.779671][  T260]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   13.779675][  T260]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   13.779677][  T260]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.779681][  T260]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.779685][  T260]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.779687][  T260]  ? netdev_notice (net/core/dev.c:13194)
[   13.779689][  T260]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   13.779698][  T260]  ? 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)
[   13.779701][  T260]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   13.779705][  T260]  netif_set_promiscuity (net/core/dev.c:9699)
[   13.779708][  T260]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.779710][  T260]  ? dev_disable_lro (net/core/dev_api.c:267)
[   13.779712][  T260] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   13.779718][  T260] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   13.779723][  T260] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   13.779727][  T260]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   13.779732][  T260] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   13.779738][  T260]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.779741][  T260]  ? __nla_validate_parse (lib/nlattr.c:635)
[   13.779747][  T260]  ? __nla_parse (lib/nlattr.c:732)
[   13.779750][  T260]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   13.779755][  T260]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   13.779758][  T260]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   13.779767][  T260]  ? security_capable (security/security.c:660 (discriminator 11))
[   13.779771][  T260]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   13.779775][  T260]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   13.779778][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.779780][  T260]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.779784][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.779790][  T260]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   13.779793][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.779795][  T260]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   13.779799][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.779806][  T260]  ? 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))
[   13.779808][  T260]  ? 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))
[   13.779812][  T260]  genl_rcv (net/netlink/genetlink.c:1218)
[   13.779814][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.779818][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.779822][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.779826][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.779830][  T260]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.779832][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.779835][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.779840][  T260]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.779843][  T260]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   13.779847][  T260]  __sys_sendto (net/socket.c:2281)
[   13.779850][  T260]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   13.779861][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   13.779868][  T260]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   13.779870][  T260]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.779874][  T260]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.779875][  T260]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.779878][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.779880][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.779883][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.779885][  T260] RIP: 0033:0x7efdf1584312
[   13.779888][  T260] 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)
[   13.779890][  T260] RSP: 002b:00007fffac120ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.779893][  T260] RAX: ffffffffffffffda RBX: 00007fffac120c18 RCX: 00007efdf1584312
[   13.779894][  T260] RDX: 0000000000000030 RSI: 00007efded1e99b0 RDI: 0000000000000023
[   13.779895][  T260] RBP: 00007fffac120b10 R08: 00007fffac120c90 R09: 000000000000000c
[   13.779896][  T260] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efdef3ee200
[   13.779896][  T260] R13: 00007fffac120c18 R14: 00007efdf0ea301a R15: 00007fffac121008
| [   15.030861][  T305] softirqs last disabled at (399638): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   15.030863][  T305] Preemption disabled at:
| [   15.030864][  T305] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.030873][  T305] Tainted: [W]=WARN
[   15.030874][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.030875][  T305] Call Trace:
[   15.030877][  T305]  <TASK>
[   15.030879][  T305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.030885][  T305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.030887][  T305]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.030892][  T305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.030896][  T305]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.030900][  T305]  __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))
[   15.030902][  T305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.030909][  T305]  ? 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)
[   15.030912][  T305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.030915][  T305]  put_chars (drivers/char/virtio_console.c:1176)
[   15.030918][  T305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.030921][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.030924][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.030929][  T305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.030933][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.030934][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.030939][  T305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.030943][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.030945][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.030949][  T305]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.030953][  T305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.030955][  T305]  ? 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))
[   15.030958][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.030960][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.030964][  T305]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.030968][  T305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.030970][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.030975][  T305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.030978][  T305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.030980][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.030982][  T305]  ? 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)
[   15.030985][  T305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.030987][  T305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.030990][  T305]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.030993][  T305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.030999][  T305]  _printk (kernel/printk/printk.c:2504)
[   15.031002][  T305]  ? snapshot_read.cold (user.c:?)
[   15.031005][  T305]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   15.031008][  T305]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   15.031013][  T305]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   15.031015][  T305]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.031018][  T305]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.031022][  T305]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.031025][  T305]  ? netdev_notice (net/core/dev.c:13194)
[   15.031027][  T305]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   15.031041][  T305]  ? 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)
[   15.031046][  T305]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   15.031052][  T305]  netif_set_promiscuity (net/core/dev.c:9699)
[   15.031056][  T305]  dev_set_promiscuity (net/core/dev_api.c:288)
[   15.031058][  T305]  ? dev_disable_lro (net/core/dev_api.c:267)
[   15.031061][  T305] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   15.031066][  T305] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   15.031071][  T305] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   15.031075][  T305]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   15.031080][  T305] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   15.031086][  T305]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   15.031090][  T305]  ? __nla_validate_parse (lib/nlattr.c:635)
[   15.031096][  T305]  ? __nla_parse (lib/nlattr.c:732)
[   15.031099][  T305]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   15.031104][  T305]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   15.031108][  T305]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   15.031116][  T305]  ? security_capable (security/security.c:660 (discriminator 11))
[   15.031120][  T305]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   15.031124][  T305]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   15.031127][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.031129][  T305]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   15.031133][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.031139][  T305]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   15.031142][  T305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.031144][  T305]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   15.031148][  T305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.031155][  T305]  ? 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))
[   15.031157][  T305]  ? 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))
[   15.031161][  T305]  genl_rcv (net/netlink/genetlink.c:1218)
[   15.031163][  T305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.031168][  T305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.031171][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.031175][  T305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.031179][  T305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.031181][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.031184][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.031189][  T305]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.031192][  T305]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   15.031196][  T305]  __sys_sendto (net/socket.c:2281)
[   15.031199][  T305]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   15.031210][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   15.031216][  T305]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   15.031218][  T305]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.031222][  T305]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.031224][  T305]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   15.031227][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.031229][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.031231][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.031233][  T305] RIP: 0033:0x7f91d2ed6312
[   15.031237][  T305] 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)
[   15.031239][  T305] RSP: 002b:00007ffd0ee6f308 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   15.031241][  T305] RAX: ffffffffffffffda RBX: 00007ffd0ee6f438 RCX: 00007f91d2ed6312
[   15.031242][  T305] RDX: 0000000000000030 RSI: 00007f91d032ff70 RDI: 0000000000000023
[   15.031243][  T305] RBP: 00007ffd0ee6f330 R08: 00007ffd0ee6f4b0 R09: 000000000000000c
[   15.031244][  T305] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f91d0d362e0
[   15.031245][  T305] R13: 00007ffd0ee6f438 R14: 00007f91d27f501a R15: 00007ffd0ee6f828
| [   18.128695][  T369] softirqs last disabled at (21430): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   18.128697][  T369] Preemption disabled at:
| [   18.128698][  T369] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.128706][  T369] Tainted: [W]=WARN
[   18.128707][  T369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.128709][  T369] Call Trace:
[   18.128710][  T369]  <TASK>
[   18.128712][  T369]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.128718][  T369]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.128720][  T369]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.128724][  T369]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.128728][  T369]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.128733][  T369]  __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))
[   18.128735][  T369]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.128741][  T369]  ? 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)
[   18.128744][  T369]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.128748][  T369]  put_chars (drivers/char/virtio_console.c:1176)
[   18.128750][  T369]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.128754][  T369]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   18.128758][  T369]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.128762][  T369]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.128764][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.128766][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.128770][  T369]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.128773][  T369]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.128776][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.128779][  T369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.128783][  T369]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.128787][  T369]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.128789][  T369]  ? 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))
[   18.128792][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.128794][  T369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.128798][  T369]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.128802][  T369]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.128804][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.128809][  T369]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.128812][  T369]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.128814][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.128816][  T369]  ? 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)
[   18.128819][  T369]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.128821][  T369]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.128824][  T369]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.128827][  T369]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.128829][  T369]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   18.128834][  T369]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   18.128839][  T369]  _printk (kernel/printk/printk.c:2504)
[   18.128842][  T369]  ? snapshot_read.cold (user.c:?)
[   18.128847][  T369]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.128851][  T369]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.128854][  T369]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.128857][  T369]  ? netdev_notice (net/core/dev.c:13194)
[   18.128859][  T369]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   18.128863][  T369]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   18.128869][  T369]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.128871][  T369]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   18.128875][  T369]  netif_set_promiscuity (net/core/dev.c:9699)
[   18.128879][  T369]  dev_set_promiscuity (net/core/dev_api.c:288)
[   18.128880][  T369]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.128883][  T369] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   18.128891][  T369] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   18.128896][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.128898][  T369]  notifier_call_chain (kernel/notifier.c:85)
[   18.128904][  T369]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   18.128909][  T369]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   18.128916][  T369]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   18.128918][  T369]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.128920][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.128922][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.128924][  T369]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   18.128946][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.128948][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.128951][  T369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.128953][  T369]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.128955][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.128959][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.128961][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.128963][  T369]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   18.128965][  T369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.128969][  T369]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   18.128971][  T369]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.128974][  T369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.128976][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.128980][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.128982][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.128985][  T369]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.128989][  T369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.128992][  T369]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.128998][  T369]  ? 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))
[   18.129000][  T369]  ? 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))
[   18.129005][  T369]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.129009][  T369]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.129011][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.129016][  T369]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.129020][  T369]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.129024][  T369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.129025][  T369]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   18.129031][  T369]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.129035][  T369]  ____sys_sendmsg (net/socket.c:2713)
[   18.129037][  T369]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.129039][  T369]  ? sock_write_iter (net/socket.c:1269)
[   18.129041][  T369]  ? move_addr_to_kernel (net/socket.c:258)
[   18.129048][  T369]  ___sys_sendmsg (net/socket.c:2767)
[   18.129051][  T369]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.129067][  T369]  __sys_sendmsg (net/socket.c:2799)
[   18.129070][  T369]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.129077][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.129080][  T369]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.129083][  T369]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.129086][  T369]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.129088][  T369] RIP: 0033:0x7f57e91f954e
[   18.129092][  T369] 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
[   18.129094][  T369] RSP: 002b:00007fff1697cbe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.129096][  T369] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f57e91f954e
[   18.129097][  T369] RDX: 0000000000000000 RSI: 00007fff1697cc90 RDI: 0000000000000005
[   18.129098][  T369] RBP: 00007fff1697cbf0 R08: 0000000000000000 R09: 0000000000000000
[   18.129099][  T369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9155ad
[   18.129100][  T369] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1697d350
| [   21.172778][  T428] softirqs last disabled at (364104): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   21.172780][  T428] Preemption disabled at:
| [   21.172781][  T428] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.172789][  T428] Tainted: [W]=WARN
[   21.172790][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.172791][  T428] Call Trace:
[   21.172793][  T428]  <TASK>
[   21.172795][  T428]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.172801][  T428]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.172802][  T428]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.172807][  T428]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.172811][  T428]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.172815][  T428]  __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))
[   21.172817][  T428]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.172824][  T428]  ? 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)
[   21.172827][  T428]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.172831][  T428]  put_chars (drivers/char/virtio_console.c:1176)
[   21.172833][  T428]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.172836][  T428]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.172839][  T428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.172842][  T428]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.172846][  T428]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.172850][  T428]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.172852][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.172853][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.172858][  T428]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.172859][  T428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.172864][  T428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.172868][  T428]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.172872][  T428]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.172874][  T428]  ? 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))
[   21.172877][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.172879][  T428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.172883][  T428]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.172888][  T428]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.172890][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.172895][  T428]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.172898][  T428]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.172900][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.172902][  T428]  ? 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)
[   21.172905][  T428]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.172907][  T428]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.172910][  T428]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.172913][  T428]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.172915][  T428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.172917][  T428]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   21.172922][  T428]  _printk (kernel/printk/printk.c:2504)
[   21.172925][  T428]  ? snapshot_read.cold (user.c:?)
[   21.172927][  T428]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   21.172933][  T428]  ? idr_get_free (??:?)
[   21.172938][  T428]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   21.172946][  T428]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.172952][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.172954][  T428]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   21.172958][  T428]  __nla_validate_parse (lib/nlattr.c:635)
[   21.172963][  T428]  __nla_parse (lib/nlattr.c:732)
[   21.172966][  T428]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   21.172971][  T428]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   21.172975][  T428]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   21.172983][  T428]  ? security_capable (security/security.c:660 (discriminator 11))
[   21.172987][  T428]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   21.172991][  T428]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   21.172993][  T428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.172996][  T428]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   21.173004][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.173009][  T428]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   21.173012][  T428]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.173014][  T428]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   21.173018][  T428]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.173025][  T428]  ? 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))
[   21.173027][  T428]  ? 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))
[   21.173033][  T428]  genl_rcv (net/netlink/genetlink.c:1218)
[   21.173036][  T428]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.173043][  T428]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.173048][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.173051][  T428]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.173056][  T428]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.173057][  T428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.173060][  T428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.173065][  T428]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.173068][  T428]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   21.173072][  T428]  __sys_sendto (net/socket.c:2281)
[   21.173075][  T428]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.173086][  T428]  ? fput_close_sync (fs/file_table.c:617)
[   21.173089][  T428]  ? alloc_file_clone (fs/file_table.c:479)
[   21.173093][  T428]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.173096][  T428]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.173099][  T428]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.173102][  T428]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.173104][  T428]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.173106][  T428]  ? irq_exit_rcu (kernel/softirq.c:786)
[   21.173110][  T428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.173113][  T428] RIP: 0033:0x7f8948551312
[   21.173116][  T428] 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)
[   21.173118][  T428] RSP: 002b:00007ffedb38b288 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.173121][  T428] RAX: ffffffffffffffda RBX: 00007ffedb38b3b8 RCX: 00007f8948551312
[   21.173122][  T428] RDX: 0000000000000040 RSI: 00007f894410f000 RDI: 0000000000000020
[   21.173123][  T428] RBP: 00007ffedb38b2b0 R08: 00007ffedb38b430 R09: 000000000000000c
[   21.173124][  T428] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f89463aa0b0
[   21.173125][  T428] R13: 00007ffedb38b3b8 R14: 00007f8947e7001a R15: 00007ffedb38b7a8
| [   22.478831][  T475] softirqs last disabled at (404314): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   22.478833][  T475] Preemption disabled at:
| [   22.478834][  T475] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.478843][  T475] Tainted: [W]=WARN
[   22.478844][  T475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.478845][  T475] Call Trace:
[   22.478847][  T475]  <TASK>
[   22.478848][  T475]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.478855][  T475]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.478856][  T475]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.478861][  T475]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.478865][  T475]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.478870][  T475]  __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))
[   22.478872][  T475]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.478879][  T475]  ? 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)
[   22.478882][  T475]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.478886][  T475]  put_chars (drivers/char/virtio_console.c:1176)
[   22.478888][  T475]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.478891][  T475]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.478895][  T475]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.478899][  T475]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.478904][  T475]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.478906][  T475]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.478910][  T475]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.478914][  T475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.478917][  T475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.478921][  T475]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.478925][  T475]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.478927][  T475]  ? 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))
[   22.478930][  T475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.478932][  T475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.478936][  T475]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.478941][  T475]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.478943][  T475]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.478949][  T475]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.478952][  T475]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.478954][  T475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.478955][  T475]  ? 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)
[   22.478959][  T475]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.478961][  T475]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.478964][  T475]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.478967][  T475]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.478973][  T475]  _printk (kernel/printk/printk.c:2504)
[   22.478977][  T475]  ? snapshot_read.cold (user.c:?)
[   22.478980][  T475]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   22.478983][  T475]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   22.478987][  T475]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   22.478989][  T475]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.478993][  T475]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.478997][  T475]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.479000][  T475]  ? netdev_notice (net/core/dev.c:13194)
[   22.479002][  T475]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   22.479011][  T475]  ? 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)
[   22.479014][  T475]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   22.479017][  T475]  netif_set_promiscuity (net/core/dev.c:9699)
[   22.479022][  T475]  dev_set_promiscuity (net/core/dev_api.c:288)
[   22.479023][  T475]  ? dev_disable_lro (net/core/dev_api.c:267)
[   22.479026][  T475] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   22.479033][  T475] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   22.479041][  T475] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   22.479048][  T475]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   22.479052][  T475] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   22.479058][  T475]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   22.479062][  T475]  ? __nla_validate_parse (lib/nlattr.c:635)
[   22.479069][  T475]  ? __nla_parse (lib/nlattr.c:732)
[   22.479072][  T475]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   22.479077][  T475]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   22.479080][  T475]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   22.479089][  T475]  ? security_capable (security/security.c:660 (discriminator 11))
[   22.479093][  T475]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   22.479097][  T475]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   22.479100][  T475]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.479102][  T475]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   22.479107][  T475]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.479112][  T475]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   22.479116][  T475]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.479118][  T475]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   22.479122][  T475]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.479129][  T475]  ? 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))
[   22.479131][  T475]  ? 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))
[   22.479135][  T475]  genl_rcv (net/netlink/genetlink.c:1218)
[   22.479138][  T475]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.479142][  T475]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.479146][  T475]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.479149][  T475]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.479154][  T475]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.479156][  T475]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.479159][  T475]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.479164][  T475]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.479167][  T475]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   22.479171][  T475]  __sys_sendto (net/socket.c:2281)
[   22.479174][  T475]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   22.479186][  T475]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   22.479193][  T475]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   22.479195][  T475]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.479199][  T475]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.479201][  T475]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   22.479203][  T475]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.479205][  T475]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.479208][  T475]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.479210][  T475] RIP: 0033:0x7f8836a98312
[   22.479214][  T475] 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)
[   22.479216][  T475] RSP: 002b:00007ffffaaa2038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   22.479218][  T475] RAX: ffffffffffffffda RBX: 00007ffffaaa2168 RCX: 00007f8836a98312
[   22.479220][  T475] RDX: 0000000000000030 RSI: 00007f88326b8230 RDI: 0000000000000023
[   22.479221][  T475] RBP: 00007ffffaaa2060 R08: 00007ffffaaa21e0 R09: 000000000000000c
[   22.479221][  T475] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8834902190
[   22.479222][  T475] R13: 00007ffffaaa2168 R14: 00007f88363b701a R15: 00007ffffaaa2558
| [   23.723540][  T513] softirqs last disabled at (386344): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   23.723542][  T513] Preemption disabled at:
| [   23.723543][  T513] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.723551][  T513] Tainted: [W]=WARN
[   23.723552][  T513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.723553][  T513] Call Trace:
[   23.723555][  T513]  <TASK>
[   23.723557][  T513]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.723563][  T513]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.723565][  T513]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.723569][  T513]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.723574][  T513]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.723578][  T513]  __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))
[   23.723581][  T513]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.723587][  T513]  ? 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)
[   23.723590][  T513]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.723594][  T513]  put_chars (drivers/char/virtio_console.c:1176)
[   23.723596][  T513]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.723600][  T513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.723603][  T513]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.723607][  T513]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.723612][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.723613][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.723618][  T513]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.723622][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.723624][  T513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.723629][  T513]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.723633][  T513]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.723635][  T513]  ? 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))
[   23.723638][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.723640][  T513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.723644][  T513]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.723649][  T513]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.723651][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.723656][  T513]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.723659][  T513]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.723661][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.723663][  T513]  ? 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)
[   23.723667][  T513]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.723669][  T513]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.723672][  T513]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.723675][  T513]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.723680][  T513]  _printk (kernel/printk/printk.c:2504)
[   23.723684][  T513]  ? snapshot_read.cold (user.c:?)
[   23.723687][  T513]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   23.723690][  T513]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   23.723695][  T513]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   23.723697][  T513]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.723701][  T513]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.723705][  T513]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.723707][  T513]  ? netdev_notice (net/core/dev.c:13194)
[   23.723709][  T513]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   23.723718][  T513]  ? 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)
[   23.723721][  T513]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   23.723724][  T513]  netif_set_promiscuity (net/core/dev.c:9699)
[   23.723728][  T513]  dev_set_promiscuity (net/core/dev_api.c:288)
[   23.723730][  T513]  ? dev_disable_lro (net/core/dev_api.c:267)
[   23.723733][  T513] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   23.723738][  T513] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   23.723743][  T513] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   23.723747][  T513]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   23.723752][  T513] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   23.723758][  T513]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   23.723762][  T513]  ? __nla_validate_parse (lib/nlattr.c:635)
[   23.723768][  T513]  ? __nla_parse (lib/nlattr.c:732)
[   23.723770][  T513]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   23.723776][  T513]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   23.723779][  T513]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   23.723788][  T513]  ? security_capable (security/security.c:660 (discriminator 11))
[   23.723792][  T513]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   23.723796][  T513]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   23.723799][  T513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.723801][  T513]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   23.723805][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.723811][  T513]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   23.723814][  T513]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.723816][  T513]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   23.723820][  T513]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.723828][  T513]  ? 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))
[   23.723830][  T513]  ? 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))
[   23.723834][  T513]  genl_rcv (net/netlink/genetlink.c:1218)
[   23.723836][  T513]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.723841][  T513]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.723844][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.723848][  T513]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.723852][  T513]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.723854][  T513]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.723857][  T513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.723863][  T513]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.723866][  T513]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   23.723870][  T513]  __sys_sendto (net/socket.c:2281)
[   23.723873][  T513]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   23.723884][  T513]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   23.723891][  T513]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   23.723893][  T513]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.723897][  T513]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.723899][  T513]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   23.723902][  T513]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.723904][  T513]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.723906][  T513]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.723908][  T513] RIP: 0033:0x7f0d462b7312
[   23.723912][  T513] 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)
[   23.723914][  T513] RSP: 002b:00007ffca0590cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   23.723917][  T513] RAX: ffffffffffffffda RBX: 00007ffca0590df8 RCX: 00007f0d462b7312
[   23.723918][  T513] RDX: 0000000000000030 RSI: 00007f0d41eee930 RDI: 0000000000000023
[   23.723919][  T513] RBP: 00007ffca0590cf0 R08: 00007ffca0590e70 R09: 000000000000000c
[   23.723920][  T513] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0d4411a270
[   23.723921][  T513] R13: 00007ffca0590df8 R14: 00007f0d45bd601a R15: 00007ffca05911e8
| [   41.713044][  T668] softirqs last disabled at (30624): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   41.713046][  T668] Preemption disabled at:
| [   41.713047][  T668] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.713056][  T668] Tainted: [W]=WARN
[   41.713057][  T668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.713058][  T668] Call Trace:
[   41.713060][  T668]  <TASK>
[   41.713062][  T668]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.713068][  T668]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.713069][  T668]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.713074][  T668]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.713078][  T668]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.713083][  T668]  __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))
[   41.713084][  T668]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.713091][  T668]  ? 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)
[   41.713094][  T668]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.713098][  T668]  put_chars (drivers/char/virtio_console.c:1176)
[   41.713099][  T668]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   41.713102][  T668]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.713105][  T668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.713108][  T668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.713111][  T668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.713115][  T668]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.713119][  T668]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   41.713121][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.713123][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.713127][  T668]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.713129][  T668]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   41.713132][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.713134][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.713138][  T668]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.713142][  T668]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.713144][  T668]  ? 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))
[   41.713147][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.713149][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.713153][  T668]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.713157][  T668]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.713159][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.713164][  T668]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.713167][  T668]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.713169][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.713170][  T668]  ? 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)
[   41.713174][  T668]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.713176][  T668]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.713178][  T668]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.713181][  T668]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.713183][  T668]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   41.713188][  T668]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   41.713193][  T668]  _printk (kernel/printk/printk.c:2504)
[   41.713197][  T668]  ? snapshot_read.cold (user.c:?)
[   41.713201][  T668]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.713204][  T668]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.713208][  T668]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.713211][  T668]  ? netdev_notice (net/core/dev.c:13194)
[   41.713213][  T668]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   41.713217][  T668]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   41.713222][  T668]  ? 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)
[   41.713225][  T668]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   41.713228][  T668]  netif_set_promiscuity (net/core/dev.c:9699)
[   41.713232][  T668]  dev_set_promiscuity (net/core/dev_api.c:288)
[   41.713234][  T668]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.713237][  T668] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   41.713244][  T668] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   41.713249][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.713251][  T668]  notifier_call_chain (kernel/notifier.c:85)
[   41.713257][  T668]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   41.713262][  T668]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   41.713269][  T668]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   41.713271][  T668]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   41.713272][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.713274][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.713276][  T668]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   41.713297][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.713299][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.713302][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.713304][  T668]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   41.713306][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.713311][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.713313][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.713315][  T668]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   41.713316][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.713320][  T668]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   41.713322][  T668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.713325][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.713327][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.713333][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.713335][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.713338][  T668]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.713342][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.713345][  T668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.713351][  T668]  ? 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))
[   41.713353][  T668]  ? 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))
[   41.713357][  T668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.713361][  T668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.713364][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.713368][  T668]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.713372][  T668]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.713376][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.713377][  T668]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.713383][  T668]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.713387][  T668]  ____sys_sendmsg (net/socket.c:2713)
[   41.713389][  T668]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.713391][  T668]  ? sock_write_iter (net/socket.c:1269)
[   41.713393][  T668]  ? move_addr_to_kernel (net/socket.c:258)
[   41.713400][  T668]  ___sys_sendmsg (net/socket.c:2767)
[   41.713403][  T668]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.713418][  T668]  __sys_sendmsg (net/socket.c:2799)
[   41.713421][  T668]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.713427][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.713430][  T668]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.713433][  T668]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.713436][  T668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.713438][  T668] RIP: 0033:0x7fbb5653c54e
[   41.713442][  T668] 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
[   41.713444][  T668] RSP: 002b:00007ffddf98bcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.713446][  T668] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbb5653c54e
[   41.713448][  T668] RDX: 0000000000000000 RSI: 00007ffddf98bda0 RDI: 0000000000000005
[   41.713449][  T668] RBP: 00007ffddf98bd00 R08: 0000000000000000 R09: 0000000000000000
[   41.713449][  T668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9155c5
[   41.713450][  T668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddf98c460
| [   44.781954][  T725] softirqs last disabled at (377334): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   44.781957][  T725] Preemption disabled at:
| [   44.781957][  T725] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.781966][  T725] Tainted: [W]=WARN
[   44.781967][  T725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.781968][  T725] Call Trace:
[   44.781970][  T725]  <TASK>
[   44.781972][  T725]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.781978][  T725]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.781979][  T725]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.781984][  T725]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.781988][  T725]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.781993][  T725]  __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))
[   44.781995][  T725]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.782001][  T725]  ? 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)
[   44.782004][  T725]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.782008][  T725]  put_chars (drivers/char/virtio_console.c:1176)
[   44.782010][  T725]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.782013][  T725]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.782016][  T725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.782019][  T725]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.782023][  T725]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.782027][  T725]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.782030][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.782032][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.782039][  T725]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.782041][  T725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.782048][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.782052][  T725]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.782056][  T725]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.782058][  T725]  ? 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))
[   44.782062][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.782064][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.782068][  T725]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.782072][  T725]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.782074][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.782079][  T725]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.782082][  T725]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.782084][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.782086][  T725]  ? 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)
[   44.782089][  T725]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.782091][  T725]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.782094][  T725]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.782097][  T725]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.782099][  T725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.782101][  T725]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   44.782105][  T725]  _printk (kernel/printk/printk.c:2504)
[   44.782109][  T725]  ? snapshot_read.cold (user.c:?)
[   44.782111][  T725]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   44.782116][  T725]  ? idr_get_free (??:?)
[   44.782121][  T725]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   44.782130][  T725]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.782135][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.782137][  T725]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   44.782142][  T725]  __nla_validate_parse (lib/nlattr.c:635)
[   44.782146][  T725]  __nla_parse (lib/nlattr.c:732)
[   44.782149][  T725]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   44.782154][  T725]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   44.782157][  T725]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   44.782165][  T725]  ? security_capable (security/security.c:660 (discriminator 11))
[   44.782169][  T725]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   44.782173][  T725]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   44.782175][  T725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.782178][  T725]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   44.782185][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.782191][  T725]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   44.782194][  T725]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.782196][  T725]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   44.782200][  T725]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.782207][  T725]  ? 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))
[   44.782209][  T725]  ? 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))
[   44.782213][  T725]  genl_rcv (net/netlink/genetlink.c:1218)
[   44.782215][  T725]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.782219][  T725]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.782222][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.782226][  T725]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.782230][  T725]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.782231][  T725]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.782235][  T725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.782239][  T725]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.782242][  T725]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   44.782246][  T725]  __sys_sendto (net/socket.c:2281)
[   44.782249][  T725]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   44.782260][  T725]  ? fput_close_sync (fs/file_table.c:617)
[   44.782263][  T725]  ? alloc_file_clone (fs/file_table.c:479)
[   44.782267][  T725]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   44.782269][  T725]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.782273][  T725]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   44.782275][  T725]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   44.782278][  T725]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.782280][  T725]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.782282][  T725]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.782285][  T725] RIP: 0033:0x7f7b242ea312
[   44.782288][  T725] 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)
[   44.782290][  T725] RSP: 002b:00007ffd492b8f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.782292][  T725] RAX: ffffffffffffffda RBX: 00007ffd492b9058 RCX: 00007f7b242ea312
[   44.782294][  T725] RDX: 0000000000000040 RSI: 00007f7b206bf000 RDI: 0000000000000020
[   44.782295][  T725] RBP: 00007ffd492b8f50 R08: 00007ffd492b90d0 R09: 000000000000000c
[   44.782296][  T725] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b2214a0b0
[   44.782296][  T725] R13: 00007ffd492b9058 R14: 00007f7b23c0901a R15: 00007ffd492b9448
| [   46.103298][  T773] softirqs last disabled at (399104): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   46.103300][  T773] Preemption disabled at:
| [   46.103301][  T773] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.103309][  T773] Tainted: [W]=WARN
[   46.103310][  T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.103312][  T773] Call Trace:
[   46.103314][  T773]  <TASK>
[   46.103315][  T773]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.103322][  T773]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.103323][  T773]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.103331][  T773]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.103336][  T773]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.103341][  T773]  __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))
[   46.103343][  T773]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.103350][  T773]  ? 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)
[   46.103352][  T773]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.103356][  T773]  put_chars (drivers/char/virtio_console.c:1176)
[   46.103359][  T773]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.103362][  T773]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.103365][  T773]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.103370][  T773]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.103374][  T773]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.103376][  T773]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.103380][  T773]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.103384][  T773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.103386][  T773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.103390][  T773]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.103394][  T773]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.103396][  T773]  ? 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))
[   46.103400][  T773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.103403][  T773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.103410][  T773]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.103417][  T773]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.103419][  T773]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.103425][  T773]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.103428][  T773]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.103430][  T773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.103431][  T773]  ? 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)
[   46.103435][  T773]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.103437][  T773]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.103440][  T773]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.103443][  T773]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.103448][  T773]  _printk (kernel/printk/printk.c:2504)
[   46.103452][  T773]  ? snapshot_read.cold (user.c:?)
[   46.103455][  T773]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   46.103458][  T773]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   46.103462][  T773]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   46.103464][  T773]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.103468][  T773]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.103472][  T773]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.103474][  T773]  ? netdev_notice (net/core/dev.c:13194)
[   46.103476][  T773]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   46.103485][  T773]  ? 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)
[   46.103488][  T773]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   46.103491][  T773]  netif_set_promiscuity (net/core/dev.c:9699)
[   46.103495][  T773]  dev_set_promiscuity (net/core/dev_api.c:288)
[   46.103497][  T773]  ? dev_disable_lro (net/core/dev_api.c:267)
[   46.103499][  T773] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   46.103505][  T773] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   46.103510][  T773] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   46.103514][  T773]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   46.103519][  T773] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   46.103525][  T773]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   46.103528][  T773]  ? __nla_validate_parse (lib/nlattr.c:635)
[   46.103535][  T773]  ? __nla_parse (lib/nlattr.c:732)
[   46.103537][  T773]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   46.103542][  T773]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   46.103551][  T773]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   46.103559][  T773]  ? security_capable (security/security.c:660 (discriminator 11))
[   46.103564][  T773]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   46.103568][  T773]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   46.103571][  T773]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.103573][  T773]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   46.103577][  T773]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.103583][  T773]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   46.103586][  T773]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.103588][  T773]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   46.103592][  T773]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.103599][  T773]  ? 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))
[   46.103601][  T773]  ? 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))
[   46.103605][  T773]  genl_rcv (net/netlink/genetlink.c:1218)
[   46.103607][  T773]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.103611][  T773]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.103613][  T773]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   46.103618][  T773]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.103622][  T773]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.103626][  T773]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.103627][  T773]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.103631][  T773]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.103636][  T773]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   46.103638][  T773]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   46.103643][  T773]  __sys_sendto (net/socket.c:2281)
[   46.103646][  T773]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   46.103651][  T773]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   46.103653][  T773]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   46.103655][  T773]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229)
[   46.103657][  T773]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   46.103664][  T773]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.103668][  T773]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   46.103670][  T773]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.103674][  T773]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   46.103675][  T773]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   46.103678][  T773]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.103680][  T773]  ? irq_exit_rcu (kernel/softirq.c:786)
[   46.103684][  T773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.103686][  T773] RIP: 0033:0x7f738cda6312
[   46.103690][  T773] 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)
[   46.103691][  T773] RSP: 002b:00007ffe00eaf938 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.103694][  T773] RAX: ffffffffffffffda RBX: 00007ffe00eafa68 RCX: 00007f738cda6312
[   46.103695][  T773] RDX: 0000000000000030 RSI: 00007f73889c48b0 RDI: 0000000000000023
[   46.103696][  T773] RBP: 00007ffe00eaf960 R08: 00007ffe00eafae0 R09: 000000000000000c
[   46.103697][  T773] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f738ac06190
[   46.103698][  T773] R13: 00007ffe00eafa68 R14: 00007f738c6c501a R15: 00007ffe00eafe58
| [   47.399996][  T811] softirqs last disabled at (416424): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   47.399998][  T811] Preemption disabled at:
| [   47.399999][  T811] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.400007][  T811] Tainted: [W]=WARN
[   47.400008][  T811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.400009][  T811] Call Trace:
[   47.400011][  T811]  <TASK>
[   47.400013][  T811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.400019][  T811]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.400020][  T811]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.400025][  T811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.400029][  T811]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.400034][  T811]  __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))
[   47.400036][  T811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.400043][  T811]  ? 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)
[   47.400045][  T811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.400049][  T811]  put_chars (drivers/char/virtio_console.c:1176)
[   47.400052][  T811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.400055][  T811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.400058][  T811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.400062][  T811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.400067][  T811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.400068][  T811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.400073][  T811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.400077][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.400079][  T811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.400083][  T811]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.400087][  T811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.400089][  T811]  ? 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))
[   47.400092][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.400094][  T811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.400098][  T811]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.400103][  T811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.400104][  T811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.400110][  T811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.400113][  T811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.400114][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.400116][  T811]  ? 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)
[   47.400120][  T811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.400122][  T811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.400125][  T811]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.400128][  T811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.400133][  T811]  _printk (kernel/printk/printk.c:2504)
[   47.400137][  T811]  ? snapshot_read.cold (user.c:?)
[   47.400139][  T811]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   47.400143][  T811]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   47.400147][  T811]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   47.400148][  T811]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.400152][  T811]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.400156][  T811]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.400159][  T811]  ? netdev_notice (net/core/dev.c:13194)
[   47.400161][  T811]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   47.400170][  T811]  ? 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)
[   47.400172][  T811]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   47.400176][  T811]  netif_set_promiscuity (net/core/dev.c:9699)
[   47.400180][  T811]  dev_set_promiscuity (net/core/dev_api.c:288)
[   47.400182][  T811]  ? dev_disable_lro (net/core/dev_api.c:267)
[   47.400184][  T811] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   47.400189][  T811] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   47.400194][  T811] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   47.400198][  T811]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   47.400202][  T811] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   47.400208][  T811]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   47.400212][  T811]  ? __nla_validate_parse (lib/nlattr.c:635)
[   47.400218][  T811]  ? __nla_parse (lib/nlattr.c:732)
[   47.400220][  T811]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   47.400225][  T811]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   47.400228][  T811]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   47.400237][  T811]  ? security_capable (security/security.c:660 (discriminator 11))
[   47.400241][  T811]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   47.400245][  T811]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   47.400247][  T811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.400249][  T811]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   47.400254][  T811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.400259][  T811]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   47.400263][  T811]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.400265][  T811]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   47.400268][  T811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.400276][  T811]  ? 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))
[   47.400277][  T811]  ? 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))
[   47.400282][  T811]  genl_rcv (net/netlink/genetlink.c:1218)
[   47.400284][  T811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.400288][  T811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.400292][  T811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.400295][  T811]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.400299][  T811]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.400301][  T811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.400304][  T811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.400309][  T811]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   47.400312][  T811]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   47.400316][  T811]  __sys_sendto (net/socket.c:2281)
[   47.400319][  T811]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   47.400321][  T811]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   47.400332][  T811]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   47.400340][  T811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.400344][  T811]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   47.400347][  T811]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.400349][  T811]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   47.400352][  T811]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   47.400354][  T811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.400356][  T811]  ? irq_exit_rcu (kernel/softirq.c:786)
[   47.400360][  T811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.400363][  T811] RIP: 0033:0x7fe96a33e312
[   47.400366][  T811] 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)
[   47.400368][  T811] RSP: 002b:00007ffcbf67a3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.400370][  T811] RAX: ffffffffffffffda RBX: 00007ffcbf67a4f8 RCX: 00007fe96a33e312
[   47.400372][  T811] RDX: 0000000000000030 RSI: 00007fe965f714f0 RDI: 0000000000000023
[   47.400373][  T811] RBP: 00007ffcbf67a3f0 R08: 00007ffcbf67a570 R09: 000000000000000c
[   47.400373][  T811] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe96819e270
[   47.400374][  T811] R13: 00007ffcbf67a4f8 R14: 00007fe969c5d01a R15: 00007ffcbf67a8e8
| [   52.892618][  T898] softirqs last disabled at (26176): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   52.892621][  T898] Preemption disabled at:
| [   52.892622][  T898] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.892630][  T898] Tainted: [W]=WARN
[   52.892631][  T898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.892633][  T898] Call Trace:
[   52.892634][  T898]  <TASK>
[   52.892636][  T898]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.892642][  T898]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.892643][  T898]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.892648][  T898]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.892652][  T898]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.892656][  T898]  __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))
[   52.892658][  T898]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.892665][  T898]  ? 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)
[   52.892667][  T898]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.892671][  T898]  put_chars (drivers/char/virtio_console.c:1176)
[   52.892673][  T898]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   52.892675][  T898]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.892678][  T898]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.892681][  T898]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.892684][  T898]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.892688][  T898]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.892692][  T898]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.892694][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.892696][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.892699][  T898]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.892702][  T898]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   52.892705][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.892707][  T898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.892711][  T898]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.892715][  T898]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.892717][  T898]  ? 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))
[   52.892720][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.892722][  T898]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.892726][  T898]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.892730][  T898]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.892732][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.892737][  T898]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.892740][  T898]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.892742][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.892744][  T898]  ? 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)
[   52.892747][  T898]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.892749][  T898]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.892752][  T898]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.892755][  T898]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.892757][  T898]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   52.892761][  T898]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   52.892766][  T898]  _printk (kernel/printk/printk.c:2504)
[   52.892770][  T898]  ? snapshot_read.cold (user.c:?)
[   52.892774][  T898]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.892778][  T898]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.892782][  T898]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.892785][  T898]  ? netdev_notice (net/core/dev.c:13194)
[   52.892786][  T898]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   52.892791][  T898]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   52.892796][  T898]  ? 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)
[   52.892798][  T898]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   52.892802][  T898]  netif_set_promiscuity (net/core/dev.c:9699)
[   52.892806][  T898]  dev_set_promiscuity (net/core/dev_api.c:288)
[   52.892807][  T898]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.892810][  T898] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   52.892818][  T898] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   52.892823][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.892825][  T898]  notifier_call_chain (kernel/notifier.c:85)
[   52.892831][  T898]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   52.892835][  T898]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   52.892843][  T898]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   52.892844][  T898]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.892846][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.892848][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.892850][  T898]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   52.892871][  T898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.892873][  T898]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.892876][  T898]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.892878][  T898]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.892880][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.892884][  T898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.892886][  T898]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.892888][  T898]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   52.892890][  T898]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.892894][  T898]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   52.892896][  T898]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.892899][  T898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.892900][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.892905][  T898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.892907][  T898]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.892910][  T898]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.892913][  T898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.892916][  T898]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.892922][  T898]  ? 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))
[   52.892924][  T898]  ? 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))
[   52.892929][  T898]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.892933][  T898]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.892935][  T898]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.892939][  T898]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.892943][  T898]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.892947][  T898]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.892949][  T898]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   52.892954][  T898]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.892958][  T898]  ____sys_sendmsg (net/socket.c:2713)
[   52.892960][  T898]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.892963][  T898]  ? sock_write_iter (net/socket.c:1269)
[   52.892964][  T898]  ? move_addr_to_kernel (net/socket.c:258)
[   52.892971][  T898]  ___sys_sendmsg (net/socket.c:2767)
[   52.892974][  T898]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.892990][  T898]  __sys_sendmsg (net/socket.c:2799)
[   52.892993][  T898]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.892999][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.893002][  T898]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.893005][  T898]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.893008][  T898]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.893010][  T898] RIP: 0033:0x7f01b187154e
[   52.893014][  T898] 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
[   52.893016][  T898] RSP: 002b:00007fff9a5524b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.893018][  T898] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f01b187154e
[   52.893020][  T898] RDX: 0000000000000000 RSI: 00007fff9a552560 RDI: 0000000000000005
[   52.893021][  T898] RBP: 00007fff9a5524c0 R08: 0000000000000000 R09: 0000000000000000
[   52.893021][  T898] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9155d0
[   52.893022][  T898] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9a552c20
| [   55.849957][  T957] softirqs last disabled at (380352): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   55.849960][  T957] Preemption disabled at:
| [   55.849960][  T957] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.849969][  T957] Tainted: [W]=WARN
[   55.849970][  T957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.849972][  T957] Call Trace:
[   55.849973][  T957]  <TASK>
[   55.849975][  T957]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.849981][  T957]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.849983][  T957]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.849987][  T957]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.849991][  T957]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.849996][  T957]  __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))
[   55.849998][  T957]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.850004][  T957]  ? 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)
[   55.850007][  T957]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.850011][  T957]  put_chars (drivers/char/virtio_console.c:1176)
[   55.850014][  T957]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.850016][  T957]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.850020][  T957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.850023][  T957]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.850027][  T957]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.850031][  T957]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.850033][  T957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.850034][  T957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.850039][  T957]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.850041][  T957]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.850045][  T957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.850049][  T957]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.850053][  T957]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.850055][  T957]  ? 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))
[   55.850058][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.850060][  T957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.850064][  T957]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.850069][  T957]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.850071][  T957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.850076][  T957]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.850079][  T957]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.850081][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.850082][  T957]  ? 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)
[   55.850086][  T957]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.850088][  T957]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.850091][  T957]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.850094][  T957]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.850096][  T957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.850098][  T957]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   55.850102][  T957]  _printk (kernel/printk/printk.c:2504)
[   55.850106][  T957]  ? snapshot_read.cold (user.c:?)
[   55.850108][  T957]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   55.850114][  T957]  ? idr_get_free (??:?)
[   55.850119][  T957]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   55.850127][  T957]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.850134][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.850135][  T957]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   55.850140][  T957]  __nla_validate_parse (lib/nlattr.c:635)
[   55.850144][  T957]  __nla_parse (lib/nlattr.c:732)
[   55.850147][  T957]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   55.850152][  T957]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   55.850156][  T957]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   55.850164][  T957]  ? security_capable (security/security.c:660 (discriminator 11))
[   55.850168][  T957]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   55.850172][  T957]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   55.850174][  T957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.850177][  T957]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   55.850185][  T957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.850190][  T957]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   55.850194][  T957]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.850196][  T957]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   55.850199][  T957]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.850206][  T957]  ? 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))
[   55.850208][  T957]  ? 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))
[   55.850212][  T957]  genl_rcv (net/netlink/genetlink.c:1218)
[   55.850214][  T957]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.850218][  T957]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.850222][  T957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.850225][  T957]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.850229][  T957]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.850231][  T957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.850234][  T957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.850239][  T957]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   55.850241][  T957]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   55.850245][  T957]  __sys_sendto (net/socket.c:2281)
[   55.850248][  T957]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   55.850259][  T957]  ? fput_close_sync (fs/file_table.c:617)
[   55.850262][  T957]  ? alloc_file_clone (fs/file_table.c:479)
[   55.850266][  T957]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   55.850269][  T957]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.850272][  T957]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   55.850275][  T957]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   55.850277][  T957]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.850279][  T957]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.850282][  T957]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.850284][  T957] RIP: 0033:0x7feff8b23312
[   55.850287][  T957] 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)
[   55.850289][  T957] RSP: 002b:00007fff0ebf0ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   55.850292][  T957] RAX: ffffffffffffffda RBX: 00007fff0ebf1128 RCX: 00007feff8b23312
[   55.850293][  T957] RDX: 0000000000000044 RSI: 00007feff46faec0 RDI: 0000000000000020
[   55.850294][  T957] RBP: 00007fff0ebf1020 R08: 00007fff0ebf11a0 R09: 000000000000000c
[   55.850295][  T957] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feff69860b0
[   55.850296][  T957] R13: 00007fff0ebf1128 R14: 00007feff844201a R15: 00007fff0ebf1518
| [   57.151924][ T1010] softirqs last disabled at (408781): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   57.151926][ T1010] Preemption disabled at:
| [   57.151927][ T1010] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.151936][ T1010] Tainted: [W]=WARN
[   57.151936][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.151938][ T1010] Call Trace:
[   57.151939][ T1010]  <TASK>
[   57.151941][ T1010]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.151947][ T1010]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.151949][ T1010]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.151953][ T1010]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.151957][ T1010]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.151962][ T1010]  __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))
[   57.151963][ T1010]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.151970][ T1010]  ? 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)
[   57.151973][ T1010]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.151977][ T1010]  put_chars (drivers/char/virtio_console.c:1176)
[   57.151979][ T1010]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.151983][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.151986][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.151990][ T1010]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.151994][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.151996][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.152001][ T1010]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.152004][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.152007][ T1010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.152011][ T1010]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.152015][ T1010]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.152017][ T1010]  ? 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))
[   57.152020][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.152022][ T1010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.152026][ T1010]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.152032][ T1010]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.152035][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.152042][ T1010]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.152045][ T1010]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.152048][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.152050][ T1010]  ? 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)
[   57.152053][ T1010]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.152055][ T1010]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.152058][ T1010]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.152061][ T1010]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.152066][ T1010]  _printk (kernel/printk/printk.c:2504)
[   57.152070][ T1010]  ? snapshot_read.cold (user.c:?)
[   57.152073][ T1010]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   57.152076][ T1010]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   57.152080][ T1010]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   57.152082][ T1010]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   57.152085][ T1010]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   57.152089][ T1010]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   57.152092][ T1010]  ? netdev_notice (net/core/dev.c:13194)
[   57.152094][ T1010]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   57.152102][ T1010]  ? 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)
[   57.152105][ T1010]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   57.152108][ T1010]  netif_set_promiscuity (net/core/dev.c:9699)
[   57.152112][ T1010]  dev_set_promiscuity (net/core/dev_api.c:288)
[   57.152114][ T1010]  ? dev_disable_lro (net/core/dev_api.c:267)
[   57.152116][ T1010] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   57.152122][ T1010] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   57.152127][ T1010] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   57.152131][ T1010]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   57.152135][ T1010] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   57.152141][ T1010]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   57.152144][ T1010]  ? __nla_validate_parse (lib/nlattr.c:635)
[   57.152151][ T1010]  ? __nla_parse (lib/nlattr.c:732)
[   57.152153][ T1010]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   57.152158][ T1010]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   57.152162][ T1010]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   57.152170][ T1010]  ? security_capable (security/security.c:660 (discriminator 11))
[   57.152174][ T1010]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   57.152178][ T1010]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   57.152181][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.152183][ T1010]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   57.152187][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.152192][ T1010]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   57.152196][ T1010]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.152198][ T1010]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   57.152201][ T1010]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.152209][ T1010]  ? 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))
[   57.152211][ T1010]  ? 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))
[   57.152215][ T1010]  genl_rcv (net/netlink/genetlink.c:1218)
[   57.152217][ T1010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.152221][ T1010]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.152225][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.152228][ T1010]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.152232][ T1010]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.152234][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.152237][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.152242][ T1010]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   57.152245][ T1010]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   57.152249][ T1010]  __sys_sendto (net/socket.c:2281)
[   57.152252][ T1010]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   57.152263][ T1010]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   57.152269][ T1010]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   57.152272][ T1010]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.152275][ T1010]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   57.152277][ T1010]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   57.152279][ T1010]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.152281][ T1010]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.152284][ T1010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.152286][ T1010] RIP: 0033:0x7f898365b312
[   57.152289][ T1010] 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)
[   57.152291][ T1010] RSP: 002b:00007fff9e1416d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   57.152293][ T1010] RAX: ffffffffffffffda RBX: 00007fff9e141808 RCX: 00007f898365b312
[   57.152295][ T1010] RDX: 0000000000000030 RSI: 00007f89802a3eb0 RDI: 0000000000000023
[   57.152295][ T1010] RBP: 00007fff9e141700 R08: 00007fff9e141880 R09: 000000000000000c
[   57.152296][ T1010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f89814be190
[   57.152297][ T1010] R13: 00007fff9e141808 R14: 00007f8982f7a01a R15: 00007fff9e141bf8
| [   58.406961][ T1050] softirqs last disabled at (370398): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   58.406963][ T1050] Preemption disabled at:
| [   58.406964][ T1050] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.406972][ T1050] Tainted: [W]=WARN
[   58.406973][ T1050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.406975][ T1050] Call Trace:
[   58.406977][ T1050]  <TASK>
[   58.406978][ T1050]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.406984][ T1050]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.406986][ T1050]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.406991][ T1050]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.406995][ T1050]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.406999][ T1050]  __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))
[   58.407001][ T1050]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.407008][ T1050]  ? 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)
[   58.407011][ T1050]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.407014][ T1050]  put_chars (drivers/char/virtio_console.c:1176)
[   58.407017][ T1050]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.407020][ T1050]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.407024][ T1050]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.407028][ T1050]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.407034][ T1050]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.407036][ T1050]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.407044][ T1050]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.407050][ T1050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.407052][ T1050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.407056][ T1050]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.407061][ T1050]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.407062][ T1050]  ? 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))
[   58.407066][ T1050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.407067][ T1050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.407072][ T1050]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.407076][ T1050]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.407078][ T1050]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.407083][ T1050]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.407087][ T1050]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.407089][ T1050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.407091][ T1050]  ? 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)
[   58.407095][ T1050]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.407097][ T1050]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.407100][ T1050]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.407103][ T1050]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.407108][ T1050]  _printk (kernel/printk/printk.c:2504)
[   58.407112][ T1050]  ? snapshot_read.cold (user.c:?)
[   58.407115][ T1050]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   58.407118][ T1050]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   58.407122][ T1050]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   58.407124][ T1050]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   58.407127][ T1050]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   58.407131][ T1050]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   58.407134][ T1050]  ? netdev_notice (net/core/dev.c:13194)
[   58.407136][ T1050]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   58.407145][ T1050]  ? 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)
[   58.407147][ T1050]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   58.407151][ T1050]  netif_set_promiscuity (net/core/dev.c:9699)
[   58.407155][ T1050]  dev_set_promiscuity (net/core/dev_api.c:288)
[   58.407156][ T1050]  ? dev_disable_lro (net/core/dev_api.c:267)
[   58.407159][ T1050] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   58.407164][ T1050] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   58.407169][ T1050] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   58.407173][ T1050]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   58.407178][ T1050] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   58.407184][ T1050]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   58.407187][ T1050]  ? __nla_validate_parse (lib/nlattr.c:635)
[   58.407193][ T1050]  ? __nla_parse (lib/nlattr.c:732)
[   58.407196][ T1050]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   58.407201][ T1050]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   58.407204][ T1050]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   58.407212][ T1050]  ? security_capable (security/security.c:660 (discriminator 11))
[   58.407217][ T1050]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   58.407221][ T1050]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   58.407223][ T1050]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.407226][ T1050]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   58.407230][ T1050]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.407235][ T1050]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   58.407239][ T1050]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.407241][ T1050]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   58.407244][ T1050]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.407251][ T1050]  ? 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))
[   58.407253][ T1050]  ? 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))
[   58.407257][ T1050]  genl_rcv (net/netlink/genetlink.c:1218)
[   58.407260][ T1050]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.407264][ T1050]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.407268][ T1050]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.407271][ T1050]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.407275][ T1050]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.407277][ T1050]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.407280][ T1050]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.407285][ T1050]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   58.407288][ T1050]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   58.407292][ T1050]  __sys_sendto (net/socket.c:2281)
[   58.407295][ T1050]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   58.407301][ T1050]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   58.407309][ T1050]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.407313][ T1050]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   58.407316][ T1050]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.407319][ T1050]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   58.407322][ T1050]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   58.407325][ T1050]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.407327][ T1050]  ? irq_exit_rcu (kernel/softirq.c:786)
[   58.407334][ T1050]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.407336][ T1050] RIP: 0033:0x7ff1c392a312
[   58.407340][ T1050] 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)
[   58.407341][ T1050] RSP: 002b:00007ffd16d24c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   58.407344][ T1050] RAX: ffffffffffffffda RBX: 00007ffd16d24dc8 RCX: 00007ff1c392a312
[   58.407345][ T1050] RDX: 0000000000000030 RSI: 00007ff1c054b3f0 RDI: 0000000000000023
[   58.407346][ T1050] RBP: 00007ffd16d24cc0 R08: 00007ffd16d24e40 R09: 000000000000000c
[   58.407347][ T1050] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff1c178a270
[   58.407348][ T1050] R13: 00007ffd16d24dc8 R14: 00007ff1c324901a R15: 00007ffd16d251b8
| [   75.694757][ T1190] softirqs last disabled at (20928): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   75.694759][ T1190] Preemption disabled at:
| [   75.694760][ T1190] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.694769][ T1190] Tainted: [W]=WARN
[   75.694770][ T1190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.694771][ T1190] Call Trace:
[   75.694773][ T1190]  <TASK>
[   75.694775][ T1190]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.694781][ T1190]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.694782][ T1190]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.694787][ T1190]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.694791][ T1190]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   75.694795][ T1190]  __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))
[   75.694797][ T1190]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.694803][ T1190]  ? 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)
[   75.694806][ T1190]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.694810][ T1190]  put_chars (drivers/char/virtio_console.c:1176)
[   75.694811][ T1190]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   75.694814][ T1190]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.694816][ T1190]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   75.694819][ T1190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   75.694822][ T1190]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   75.694826][ T1190]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.694831][ T1190]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   75.694832][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.694834][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.694838][ T1190]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.694841][ T1190]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   75.694844][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.694846][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.694850][ T1190]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.694854][ T1190]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.694856][ T1190]  ? 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))
[   75.694859][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.694860][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.694864][ T1190]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.694868][ T1190]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.694870][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.694875][ T1190]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.694878][ T1190]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.694880][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.694882][ T1190]  ? 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)
[   75.694885][ T1190]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.694887][ T1190]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.694890][ T1190]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.694893][ T1190]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.694894][ T1190]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   75.694899][ T1190]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   75.694904][ T1190]  _printk (kernel/printk/printk.c:2504)
[   75.694907][ T1190]  ? snapshot_read.cold (user.c:?)
[   75.694912][ T1190]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   75.694916][ T1190]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   75.694919][ T1190]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   75.694922][ T1190]  ? netdev_notice (net/core/dev.c:13194)
[   75.694924][ T1190]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   75.694928][ T1190]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   75.694933][ T1190]  ? 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)
[   75.694936][ T1190]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   75.694939][ T1190]  netif_set_promiscuity (net/core/dev.c:9699)
[   75.694943][ T1190]  dev_set_promiscuity (net/core/dev_api.c:288)
[   75.694945][ T1190]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   75.694948][ T1190] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   75.694956][ T1190] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   75.694960][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.694963][ T1190]  notifier_call_chain (kernel/notifier.c:85)
[   75.694969][ T1190]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   75.694973][ T1190]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   75.694980][ T1190]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   75.694982][ T1190]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   75.694984][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.694986][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.694988][ T1190]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   75.695009][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.695011][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.695014][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.695016][ T1190]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   75.695018][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.695023][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.695024][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.695026][ T1190]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   75.695028][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.695032][ T1190]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   75.695034][ T1190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.695037][ T1190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.695039][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.695043][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.695045][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.695048][ T1190]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.695051][ T1190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.695054][ T1190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.695061][ T1190]  ? 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))
[   75.695063][ T1190]  ? 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))
[   75.695067][ T1190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.695071][ T1190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.695073][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.695078][ T1190]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.695082][ T1190]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.695085][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.695087][ T1190]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   75.695092][ T1190]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   75.695096][ T1190]  ____sys_sendmsg (net/socket.c:2713)
[   75.695099][ T1190]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.695101][ T1190]  ? sock_write_iter (net/socket.c:1269)
[   75.695103][ T1190]  ? move_addr_to_kernel (net/socket.c:258)
[   75.695110][ T1190]  ___sys_sendmsg (net/socket.c:2767)
[   75.695113][ T1190]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.695128][ T1190]  __sys_sendmsg (net/socket.c:2799)
[   75.695134][ T1190]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.695140][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.695143][ T1190]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.695146][ T1190]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.695149][ T1190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.695151][ T1190] RIP: 0033:0x7fc5c045a54e
[   75.695155][ T1190] 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
[   75.695157][ T1190] RSP: 002b:00007ffffd0ddc50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.695160][ T1190] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc5c045a54e
[   75.695161][ T1190] RDX: 0000000000000000 RSI: 00007ffffd0ddd00 RDI: 0000000000000005
[   75.695162][ T1190] RBP: 00007ffffd0ddc60 R08: 0000000000000000 R09: 0000000000000000
[   75.695163][ T1190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9155e7
[   75.695163][ T1190] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffd0de3c0
| [   78.793397][ T1248] softirqs last disabled at (389533): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   78.793400][ T1248] Preemption disabled at:
| [   78.793400][ T1248] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.793409][ T1248] Tainted: [W]=WARN
[   78.793410][ T1248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.793412][ T1248] Call Trace:
[   78.793414][ T1248]  <TASK>
[   78.793415][ T1248]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.793421][ T1248]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.793423][ T1248]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.793428][ T1248]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.793432][ T1248]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   78.793436][ T1248]  __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))
[   78.793438][ T1248]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.793445][ T1248]  ? 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)
[   78.793449][ T1248]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.793452][ T1248]  put_chars (drivers/char/virtio_console.c:1176)
[   78.793455][ T1248]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.793457][ T1248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   78.793461][ T1248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.793464][ T1248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.793468][ T1248]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.793472][ T1248]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   78.793474][ T1248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.793476][ T1248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.793480][ T1248]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.793482][ T1248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.793486][ T1248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.793490][ T1248]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.793495][ T1248]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.793497][ T1248]  ? 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))
[   78.793500][ T1248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.793502][ T1248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.793506][ T1248]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.793510][ T1248]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.793516][ T1248]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.793519][ T1248]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.793521][ T1248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.793523][ T1248]  ? 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)
[   78.793527][ T1248]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.793529][ T1248]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.793532][ T1248]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.793535][ T1248]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.793538][ T1248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.793539][ T1248]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   78.793544][ T1248]  _printk (kernel/printk/printk.c:2504)
[   78.793548][ T1248]  ? snapshot_read.cold (user.c:?)
[   78.793550][ T1248]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   78.793555][ T1248]  ? idr_get_free (??:?)
[   78.793560][ T1248]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   78.793569][ T1248]  ? nla_get_range_signed (lib/nlattr.c:270)
[   78.793576][ T1248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.793578][ T1248]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   78.793582][ T1248]  __nla_validate_parse (lib/nlattr.c:635)
[   78.793587][ T1248]  __nla_parse (lib/nlattr.c:732)
[   78.793590][ T1248]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   78.793595][ T1248]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   78.793598][ T1248]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   78.793607][ T1248]  ? security_capable (security/security.c:660 (discriminator 11))
[   78.793611][ T1248]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   78.793615][ T1248]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   78.793618][ T1248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.793620][ T1248]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   78.793628][ T1248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.793634][ T1248]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   78.793637][ T1248]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.793639][ T1248]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   78.793643][ T1248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.793650][ T1248]  ? 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))
[   78.793652][ T1248]  ? 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))
[   78.793656][ T1248]  genl_rcv (net/netlink/genetlink.c:1218)
[   78.793659][ T1248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.793663][ T1248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.793667][ T1248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.793670][ T1248]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.793674][ T1248]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   78.793676][ T1248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.793679][ T1248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.793684][ T1248]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   78.793688][ T1248]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   78.793692][ T1248]  __sys_sendto (net/socket.c:2281)
[   78.793695][ T1248]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   78.793706][ T1248]  ? fput_close_sync (fs/file_table.c:617)
[   78.793710][ T1248]  ? alloc_file_clone (fs/file_table.c:479)
[   78.793714][ T1248]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   78.793716][ T1248]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.793720][ T1248]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   78.793729][ T1248]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   78.793732][ T1248]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.793734][ T1248]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   78.793736][ T1248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.793738][ T1248] RIP: 0033:0x7f5f62a74312
[   78.793742][ T1248] 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)
[   78.793743][ T1248] RSP: 002b:00007fffc6b42628 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   78.793746][ T1248] RAX: ffffffffffffffda RBX: 00007fffc6b42758 RCX: 00007f5f62a74312
[   78.793747][ T1248] RDX: 0000000000000048 RSI: 00007f5f606f34b0 RDI: 0000000000000020
[   78.793748][ T1248] RBP: 00007fffc6b42650 R08: 00007fffc6b427d0 R09: 000000000000000c
[   78.793749][ T1248] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5f608de0b0
[   78.793750][ T1248] R13: 00007fffc6b42758 R14: 00007f5f6239301a R15: 00007fffc6b42b48
| [   80.078090][ T1297] softirqs last disabled at (384068): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   80.078093][ T1297] Preemption disabled at:
| [   80.078093][ T1297] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.078102][ T1297] Tainted: [W]=WARN
[   80.078103][ T1297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.078104][ T1297] Call Trace:
[   80.078106][ T1297]  <TASK>
[   80.078107][ T1297]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.078114][ T1297]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.078115][ T1297]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.078120][ T1297]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.078124][ T1297]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   80.078128][ T1297]  __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))
[   80.078130][ T1297]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.078137][ T1297]  ? 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)
[   80.078139][ T1297]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.078143][ T1297]  put_chars (drivers/char/virtio_console.c:1176)
[   80.078146][ T1297]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.078149][ T1297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.078153][ T1297]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   80.078157][ T1297]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.078162][ T1297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.078163][ T1297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.078168][ T1297]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.078172][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.078174][ T1297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.078179][ T1297]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.078183][ T1297]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.078185][ T1297]  ? 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))
[   80.078188][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.078190][ T1297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.078194][ T1297]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.078199][ T1297]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.078201][ T1297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.078206][ T1297]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.078209][ T1297]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.078211][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.078213][ T1297]  ? 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)
[   80.078217][ T1297]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.078219][ T1297]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.078221][ T1297]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.078225][ T1297]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.078230][ T1297]  _printk (kernel/printk/printk.c:2504)
[   80.078234][ T1297]  ? snapshot_read.cold (user.c:?)
[   80.078237][ T1297]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   80.078240][ T1297]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   80.078244][ T1297]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   80.078246][ T1297]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.078250][ T1297]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.078254][ T1297]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.078257][ T1297]  ? netdev_notice (net/core/dev.c:13194)
[   80.078258][ T1297]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   80.078268][ T1297]  ? 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)
[   80.078270][ T1297]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   80.078274][ T1297]  netif_set_promiscuity (net/core/dev.c:9699)
[   80.078278][ T1297]  dev_set_promiscuity (net/core/dev_api.c:288)
[   80.078280][ T1297]  ? dev_disable_lro (net/core/dev_api.c:267)
[   80.078282][ T1297] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   80.078287][ T1297] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   80.078292][ T1297] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   80.078297][ T1297]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   80.078301][ T1297] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   80.078308][ T1297]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   80.078311][ T1297]  ? __nla_validate_parse (lib/nlattr.c:635)
[   80.078317][ T1297]  ? __nla_parse (lib/nlattr.c:732)
[   80.078320][ T1297]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   80.078325][ T1297]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   80.078332][ T1297]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   80.078341][ T1297]  ? security_capable (security/security.c:660 (discriminator 11))
[   80.078345][ T1297]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   80.078349][ T1297]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   80.078352][ T1297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.078354][ T1297]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   80.078358][ T1297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.078364][ T1297]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   80.078367][ T1297]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.078370][ T1297]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   80.078373][ T1297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.078381][ T1297]  ? 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))
[   80.078383][ T1297]  ? 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))
[   80.078387][ T1297]  genl_rcv (net/netlink/genetlink.c:1218)
[   80.078389][ T1297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.078394][ T1297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.078396][ T1297]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   80.078401][ T1297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.078405][ T1297]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.078409][ T1297]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.078411][ T1297]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.078414][ T1297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.078419][ T1297]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   80.078422][ T1297]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   80.078426][ T1297]  __sys_sendto (net/socket.c:2281)
[   80.078429][ T1297]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   80.078441][ T1297]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   80.078447][ T1297]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   80.078449][ T1297]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   80.078453][ T1297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   80.078454][ T1297]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   80.078457][ T1297]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.078459][ T1297]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.078462][ T1297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.078464][ T1297] RIP: 0033:0x7fecd8bfc312
[   80.078467][ T1297] 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)
[   80.078469][ T1297] RSP: 002b:00007ffc5afc1778 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   80.078472][ T1297] RAX: ffffffffffffffda RBX: 00007ffc5afc18a8 RCX: 00007fecd8bfc312
[   80.078473][ T1297] RDX: 0000000000000030 RSI: 00007fecd481e570 RDI: 0000000000000023
[   80.078474][ T1297] RBP: 00007ffc5afc17a0 R08: 00007ffc5afc1920 R09: 000000000000000c
[   80.078475][ T1297] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fecd6a66190
[   80.078476][ T1297] R13: 00007ffc5afc18a8 R14: 00007fecd851b01a R15: 00007ffc5afc1c98
| [   81.366017][ T1335] softirqs last disabled at (402826): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   81.366019][ T1335] Preemption disabled at:
| [   81.366020][ T1335] vprintk_emit (kernel/printk/printk.c:2471)
| [   81.366028][ T1335] Tainted: [W]=WARN
[   81.366029][ T1335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.366031][ T1335] Call Trace:
[   81.366032][ T1335]  <TASK>
[   81.366034][ T1335]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   81.366040][ T1335]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   81.366042][ T1335]  __might_resched.cold (kernel/sched/core.c:9234)
[   81.366047][ T1335]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   81.366051][ T1335]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   81.366055][ T1335]  __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))
[   81.366057][ T1335]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.366064][ T1335]  ? 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)
[   81.366067][ T1335]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.366071][ T1335]  put_chars (drivers/char/virtio_console.c:1176)
[   81.366074][ T1335]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   81.366077][ T1335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.366080][ T1335]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   81.366085][ T1335]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   81.366089][ T1335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.366091][ T1335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.366096][ T1335]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   81.366100][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.366102][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.366106][ T1335]  console_emit_next_record (kernel/printk/printk.c:3183)
[   81.366111][ T1335]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   81.366113][ T1335]  ? 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))
[   81.366116][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.366118][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.366122][ T1335]  console_flush_one_record (kernel/printk/printk.c:3268)
[   81.366126][ T1335]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   81.366128][ T1335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.366134][ T1335]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   81.366137][ T1335]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   81.366139][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.366141][ T1335]  ? 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)
[   81.366145][ T1335]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   81.366147][ T1335]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   81.366150][ T1335]  vprintk_emit (kernel/printk/printk.c:2479)
[   81.366153][ T1335]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   81.366158][ T1335]  _printk (kernel/printk/printk.c:2504)
[   81.366162][ T1335]  ? snapshot_read.cold (user.c:?)
[   81.366165][ T1335]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   81.366168][ T1335]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   81.366173][ T1335]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   81.366174][ T1335]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   81.366178][ T1335]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   81.366182][ T1335]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   81.366185][ T1335]  ? netdev_notice (net/core/dev.c:13194)
[   81.366187][ T1335]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   81.366196][ T1335]  ? 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)
[   81.366199][ T1335]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   81.366203][ T1335]  netif_set_promiscuity (net/core/dev.c:9699)
[   81.366207][ T1335]  dev_set_promiscuity (net/core/dev_api.c:288)
[   81.366209][ T1335]  ? dev_disable_lro (net/core/dev_api.c:267)
[   81.366211][ T1335] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   81.366216][ T1335] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   81.366222][ T1335] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   81.366226][ T1335]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   81.366231][ T1335] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   81.366237][ T1335]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   81.366240][ T1335]  ? __nla_validate_parse (lib/nlattr.c:635)
[   81.366247][ T1335]  ? __nla_parse (lib/nlattr.c:732)
[   81.366249][ T1335]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   81.366254][ T1335]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   81.366258][ T1335]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   81.366267][ T1335]  ? security_capable (security/security.c:660 (discriminator 11))
[   81.366271][ T1335]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   81.366275][ T1335]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   81.366278][ T1335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.366280][ T1335]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   81.366284][ T1335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.366290][ T1335]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   81.366294][ T1335]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   81.366296][ T1335]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   81.366299][ T1335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.366307][ T1335]  ? 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))
[   81.366309][ T1335]  ? 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))
[   81.366313][ T1335]  genl_rcv (net/netlink/genetlink.c:1218)
[   81.366316][ T1335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.366320][ T1335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.366324][ T1335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.366331][ T1335]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   81.366336][ T1335]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   81.366338][ T1335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.366341][ T1335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.366346][ T1335]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   81.366349][ T1335]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   81.366353][ T1335]  __sys_sendto (net/socket.c:2281)
[   81.366357][ T1335]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   81.366358][ T1335]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   81.366366][ T1335]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   81.366374][ T1335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.366378][ T1335]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   81.366381][ T1335]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   81.366383][ T1335]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   81.366386][ T1335]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   81.366389][ T1335]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   81.366391][ T1335]  ? irq_exit_rcu (kernel/softirq.c:786)
[   81.366395][ T1335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.366397][ T1335] RIP: 0033:0x7f28e4fc2312
[   81.366402][ T1335] 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)
[   81.366405][ T1335] RSP: 002b:00007ffc3e65e6e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   81.366408][ T1335] RAX: ffffffffffffffda RBX: 00007ffc3e65e818 RCX: 00007f28e4fc2312
[   81.366410][ T1335] RDX: 0000000000000030 RSI: 00007f28e0bf65b0 RDI: 0000000000000023
[   81.366411][ T1335] RBP: 00007ffc3e65e710 R08: 00007ffc3e65e890 R09: 000000000000000c
[   81.366413][ T1335] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f28e2e22270
[   81.366414][ T1335] R13: 00007ffc3e65e818 R14: 00007f28e48e101a R15: 00007ffc3e65ec08
| [   87.613623][ T1488] softirqs last disabled at (20386): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   87.613626][ T1488] Preemption disabled at:
| [   87.613627][ T1488] vprintk_emit (kernel/printk/printk.c:2471)
| [   87.613635][ T1488] Tainted: [W]=WARN
[   87.613636][ T1488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.613638][ T1488] Call Trace:
[   87.613640][ T1488]  <TASK>
[   87.613641][ T1488]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.613647][ T1488]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   87.613649][ T1488]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.613653][ T1488]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.613657][ T1488]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   87.613662][ T1488]  __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))
[   87.613663][ T1488]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.613670][ T1488]  ? 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)
[   87.613673][ T1488]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.613676][ T1488]  put_chars (drivers/char/virtio_console.c:1176)
[   87.613678][ T1488]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   87.613681][ T1488]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.613683][ T1488]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   87.613686][ T1488]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.613689][ T1488]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   87.613693][ T1488]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.613698][ T1488]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   87.613700][ T1488]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.613701][ T1488]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.613705][ T1488]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.613708][ T1488]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   87.613711][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.613713][ T1488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.613717][ T1488]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.613721][ T1488]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.613723][ T1488]  ? 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))
[   87.613726][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.613728][ T1488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.613732][ T1488]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.613736][ T1488]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.613738][ T1488]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.613744][ T1488]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.613747][ T1488]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.613749][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.613750][ T1488]  ? 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)
[   87.613754][ T1488]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.613756][ T1488]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.613759][ T1488]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.613762][ T1488]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.613764][ T1488]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   87.613768][ T1488]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   87.613779][ T1488]  _printk (kernel/printk/printk.c:2504)
[   87.613783][ T1488]  ? snapshot_read.cold (user.c:?)
[   87.613787][ T1488]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   87.613791][ T1488]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   87.613795][ T1488]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   87.613797][ T1488]  ? netdev_notice (net/core/dev.c:13194)
[   87.613799][ T1488]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   87.613803][ T1488]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   87.613808][ T1488]  ? 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)
[   87.613811][ T1488]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   87.613815][ T1488]  netif_set_promiscuity (net/core/dev.c:9699)
[   87.613818][ T1488]  dev_set_promiscuity (net/core/dev_api.c:288)
[   87.613820][ T1488]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.613823][ T1488] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   87.613831][ T1488] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   87.613836][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.613838][ T1488]  notifier_call_chain (kernel/notifier.c:85)
[   87.613844][ T1488]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   87.613849][ T1488]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   87.613856][ T1488]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   87.613858][ T1488]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   87.613859][ T1488]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.613861][ T1488]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.613863][ T1488]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   87.613884][ T1488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.613886][ T1488]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.613889][ T1488]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.613891][ T1488]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   87.613894][ T1488]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.613898][ T1488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.613900][ T1488]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.613902][ T1488]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   87.613904][ T1488]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.613907][ T1488]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   87.613910][ T1488]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.613913][ T1488]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.613914][ T1488]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.613918][ T1488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.613920][ T1488]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.613924][ T1488]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.613927][ T1488]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.613930][ T1488]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.613936][ T1488]  ? 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))
[   87.613938][ T1488]  ? 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))
[   87.613942][ T1488]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.613946][ T1488]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.613949][ T1488]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.613953][ T1488]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.613957][ T1488]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.613961][ T1488]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.613962][ T1488]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   87.613968][ T1488]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   87.613972][ T1488]  ____sys_sendmsg (net/socket.c:2713)
[   87.613974][ T1488]  ? copy_msghdr_from_user (net/socket.c:2650)
[   87.613976][ T1488]  ? sock_write_iter (net/socket.c:1269)
[   87.613978][ T1488]  ? move_addr_to_kernel (net/socket.c:258)
[   87.613985][ T1488]  ___sys_sendmsg (net/socket.c:2767)
[   87.613988][ T1488]  ? copy_msghdr_from_user (net/socket.c:2619)
[   87.614004][ T1488]  __sys_sendmsg (net/socket.c:2799)
[   87.614007][ T1488]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   87.614013][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.614016][ T1488]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.614019][ T1488]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.614022][ T1488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.614025][ T1488] RIP: 0033:0x7f8c1fdfd54e
[   87.614028][ T1488] 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
[   87.614030][ T1488] RSP: 002b:00007ffcd35ee970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   87.614032][ T1488] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8c1fdfd54e
[   87.614034][ T1488] RDX: 0000000000000000 RSI: 00007ffcd35eea20 RDI: 0000000000000005
[   87.614035][ T1488] RBP: 00007ffcd35ee980 R08: 0000000000000000 R09: 0000000000000000
[   87.614035][ T1488] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9155f2
[   87.614036][ T1488] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd35ef0e0
| [   90.548877][ T1547] softirqs last disabled at (376049): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   90.548880][ T1547] Preemption disabled at:
| [   90.548881][ T1547] vprintk_emit (kernel/printk/printk.c:2471)
| [   90.548889][ T1547] Tainted: [W]=WARN
[   90.548890][ T1547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.548891][ T1547] Call Trace:
[   90.548893][ T1547]  <TASK>
[   90.548895][ T1547]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   90.548901][ T1547]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   90.548902][ T1547]  __might_resched.cold (kernel/sched/core.c:9234)
[   90.548907][ T1547]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   90.548911][ T1547]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   90.548915][ T1547]  __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))
[   90.548917][ T1547]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.548923][ T1547]  ? 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)
[   90.548926][ T1547]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.548930][ T1547]  put_chars (drivers/char/virtio_console.c:1176)
[   90.548932][ T1547]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   90.548935][ T1547]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   90.548938][ T1547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.548941][ T1547]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   90.548945][ T1547]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   90.548949][ T1547]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   90.548951][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.548952][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.548957][ T1547]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   90.548958][ T1547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   90.548963][ T1547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.548966][ T1547]  console_emit_next_record (kernel/printk/printk.c:3183)
[   90.548971][ T1547]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   90.548972][ T1547]  ? 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))
[   90.548976][ T1547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.548977][ T1547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.548981][ T1547]  console_flush_one_record (kernel/printk/printk.c:3268)
[   90.548985][ T1547]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   90.548987][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.548992][ T1547]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   90.548995][ T1547]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   90.548997][ T1547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.548999][ T1547]  ? 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)
[   90.549002][ T1547]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   90.549004][ T1547]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   90.549007][ T1547]  vprintk_emit (kernel/printk/printk.c:2479)
[   90.549010][ T1547]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   90.549012][ T1547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   90.549013][ T1547]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   90.549018][ T1547]  _printk (kernel/printk/printk.c:2504)
[   90.549021][ T1547]  ? snapshot_read.cold (user.c:?)
[   90.549023][ T1547]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   90.549031][ T1547]  ? idr_get_free (??:?)
[   90.549038][ T1547]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   90.549047][ T1547]  ? nla_get_range_signed (lib/nlattr.c:270)
[   90.549053][ T1547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.549055][ T1547]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   90.549060][ T1547]  __nla_validate_parse (lib/nlattr.c:635)
[   90.549064][ T1547]  __nla_parse (lib/nlattr.c:732)
[   90.549067][ T1547]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   90.549072][ T1547]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   90.549075][ T1547]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   90.549083][ T1547]  ? security_capable (security/security.c:660 (discriminator 11))
[   90.549087][ T1547]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   90.549091][ T1547]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   90.549093][ T1547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.549096][ T1547]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   90.549103][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.549109][ T1547]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   90.549112][ T1547]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.549114][ T1547]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   90.549118][ T1547]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.549124][ T1547]  ? 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))
[   90.549126][ T1547]  ? 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))
[   90.549130][ T1547]  genl_rcv (net/netlink/genetlink.c:1218)
[   90.549132][ T1547]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.549136][ T1547]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.549140][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.549143][ T1547]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.549147][ T1547]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   90.549149][ T1547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   90.549152][ T1547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   90.549157][ T1547]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   90.549160][ T1547]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   90.549164][ T1547]  __sys_sendto (net/socket.c:2281)
[   90.549167][ T1547]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   90.549177][ T1547]  ? fput_close_sync (fs/file_table.c:617)
[   90.549181][ T1547]  ? alloc_file_clone (fs/file_table.c:479)
[   90.549185][ T1547]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   90.549187][ T1547]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   90.549190][ T1547]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   90.549193][ T1547]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   90.549195][ T1547]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.549197][ T1547]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   90.549200][ T1547]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.549202][ T1547] RIP: 0033:0x7f4fe0ea9312
[   90.549205][ T1547] 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)
[   90.549207][ T1547] RSP: 002b:00007ffce7010db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   90.549210][ T1547] RAX: ffffffffffffffda RBX: 00007ffce7010ee8 RCX: 00007f4fe0ea9312
[   90.549211][ T1547] RDX: 0000000000000040 RSI: 00007f4fdca67000 RDI: 0000000000000020
[   90.549212][ T1547] RBP: 00007ffce7010de0 R08: 00007ffce7010f60 R09: 000000000000000c
[   90.549213][ T1547] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4fded020b0
[   90.549214][ T1547] R13: 00007ffce7010ee8 R14: 00007f4fe07c801a R15: 00007ffce70112d8
| [   92.645202][ T1624] softirqs last disabled at (396086): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   92.645204][ T1624] Preemption disabled at:
| [   92.645205][ T1624] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.645213][ T1624] Tainted: [W]=WARN
[   92.645214][ T1624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.645216][ T1624] Call Trace:
[   92.645217][ T1624]  <TASK>
[   92.645219][ T1624]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.645225][ T1624]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.645227][ T1624]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.645231][ T1624]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.645236][ T1624]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   92.645240][ T1624]  __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))
[   92.645242][ T1624]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.645249][ T1624]  ? 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)
[   92.645251][ T1624]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.645255][ T1624]  put_chars (drivers/char/virtio_console.c:1176)
[   92.645258][ T1624]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.645261][ T1624]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.645264][ T1624]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.645269][ T1624]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.645273][ T1624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.645275][ T1624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.645279][ T1624]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.645283][ T1624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.645285][ T1624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.645289][ T1624]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.645294][ T1624]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.645295][ T1624]  ? 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))
[   92.645299][ T1624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.645301][ T1624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.645305][ T1624]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.645309][ T1624]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.645311][ T1624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.645317][ T1624]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.645319][ T1624]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.645321][ T1624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.645323][ T1624]  ? 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)
[   92.645327][ T1624]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.645332][ T1624]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.645335][ T1624]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.645338][ T1624]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.645343][ T1624]  _printk (kernel/printk/printk.c:2504)
[   92.645347][ T1624]  ? snapshot_read.cold (user.c:?)
[   92.645349][ T1624]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   92.645353][ T1624]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   92.645357][ T1624]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   92.645359][ T1624]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   92.645362][ T1624]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   92.645366][ T1624]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   92.645369][ T1624]  ? netdev_notice (net/core/dev.c:13194)
[   92.645371][ T1624]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   92.645380][ T1624]  ? 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)
[   92.645382][ T1624]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   92.645386][ T1624]  netif_set_promiscuity (net/core/dev.c:9699)
[   92.645390][ T1624]  dev_set_promiscuity (net/core/dev_api.c:288)
[   92.645392][ T1624]  ? dev_disable_lro (net/core/dev_api.c:267)
[   92.645394][ T1624] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   92.645399][ T1624] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   92.645407][ T1624] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   92.645414][ T1624]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   92.645421][ T1624] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   92.645428][ T1624]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   92.645431][ T1624]  ? __nla_validate_parse (lib/nlattr.c:635)
[   92.645438][ T1624]  ? __nla_parse (lib/nlattr.c:732)
[   92.645440][ T1624]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   92.645445][ T1624]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   92.645449][ T1624]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   92.645457][ T1624]  ? security_capable (security/security.c:660 (discriminator 11))
[   92.645461][ T1624]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   92.645465][ T1624]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   92.645468][ T1624]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.645470][ T1624]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   92.645474][ T1624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.645480][ T1624]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   92.645483][ T1624]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   92.645485][ T1624]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   92.645489][ T1624]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.645496][ T1624]  ? 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))
[   92.645498][ T1624]  ? 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))
[   92.645502][ T1624]  genl_rcv (net/netlink/genetlink.c:1218)
[   92.645504][ T1624]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.645508][ T1624]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.645510][ T1624]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   92.645515][ T1624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.645519][ T1624]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   92.645523][ T1624]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   92.645525][ T1624]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.645528][ T1624]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.645533][ T1624]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   92.645536][ T1624]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   92.645540][ T1624]  __sys_sendto (net/socket.c:2281)
[   92.645543][ T1624]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   92.645554][ T1624]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   92.645560][ T1624]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   92.645562][ T1624]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.645566][ T1624]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   92.645567][ T1624]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   92.645570][ T1624]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   92.645572][ T1624]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   92.645574][ T1624]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.645577][ T1624] RIP: 0033:0x7f826faef312
[   92.645580][ T1624] 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)
[   92.645582][ T1624] RSP: 002b:00007fffdc890378 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   92.645585][ T1624] RAX: ffffffffffffffda RBX: 00007fffdc8904a8 RCX: 00007f826faef312
[   92.645586][ T1624] RDX: 0000000000000034 RSI: 00007f826c710cf0 RDI: 0000000000000023
[   92.645587][ T1624] RBP: 00007fffdc8903a0 R08: 00007fffdc890520 R09: 000000000000000c
[   92.645588][ T1624] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f826d952190
[   92.645589][ T1624] R13: 00007fffdc8904a8 R14: 00007f826f40e01a R15: 00007fffdc890898
| [   93.877239][ T1663] softirqs last disabled at (384750): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   93.877241][ T1663] Preemption disabled at:
| [   93.877242][ T1663] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.877250][ T1663] Tainted: [W]=WARN
[   93.877251][ T1663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.877252][ T1663] Call Trace:
[   93.877254][ T1663]  <TASK>
[   93.877255][ T1663]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.877261][ T1663]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.877263][ T1663]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.877268][ T1663]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.877272][ T1663]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   93.877277][ T1663]  __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))
[   93.877278][ T1663]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.877285][ T1663]  ? 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)
[   93.877288][ T1663]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.877292][ T1663]  put_chars (drivers/char/virtio_console.c:1176)
[   93.877294][ T1663]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.877297][ T1663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.877301][ T1663]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   93.877305][ T1663]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.877309][ T1663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.877311][ T1663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.877316][ T1663]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.877320][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.877322][ T1663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.877326][ T1663]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.877334][ T1663]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.877336][ T1663]  ? 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))
[   93.877339][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.877341][ T1663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.877345][ T1663]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.877349][ T1663]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.877351][ T1663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.877357][ T1663]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.877360][ T1663]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.877362][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.877364][ T1663]  ? 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)
[   93.877367][ T1663]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.877369][ T1663]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.877372][ T1663]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.877375][ T1663]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.877381][ T1663]  _printk (kernel/printk/printk.c:2504)
[   93.877384][ T1663]  ? snapshot_read.cold (user.c:?)
[   93.877387][ T1663]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   93.877390][ T1663]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   93.877394][ T1663]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   93.877396][ T1663]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   93.877401][ T1663]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   93.877407][ T1663]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   93.877411][ T1663]  ? netdev_notice (net/core/dev.c:13194)
[   93.877414][ T1663]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   93.877424][ T1663]  ? 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)
[   93.877426][ T1663]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   93.877430][ T1663]  netif_set_promiscuity (net/core/dev.c:9699)
[   93.877434][ T1663]  dev_set_promiscuity (net/core/dev_api.c:288)
[   93.877436][ T1663]  ? dev_disable_lro (net/core/dev_api.c:267)
[   93.877438][ T1663] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   93.877444][ T1663] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   93.877449][ T1663] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   93.877453][ T1663]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   93.877458][ T1663] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   93.877464][ T1663]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   93.877467][ T1663]  ? __nla_validate_parse (lib/nlattr.c:635)
[   93.877473][ T1663]  ? __nla_parse (lib/nlattr.c:732)
[   93.877476][ T1663]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   93.877481][ T1663]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   93.877484][ T1663]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   93.877492][ T1663]  ? security_capable (security/security.c:660 (discriminator 11))
[   93.877497][ T1663]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   93.877501][ T1663]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   93.877504][ T1663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.877506][ T1663]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   93.877510][ T1663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.877516][ T1663]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   93.877519][ T1663]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.877521][ T1663]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   93.877525][ T1663]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.877532][ T1663]  ? 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))
[   93.877534][ T1663]  ? 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))
[   93.877538][ T1663]  genl_rcv (net/netlink/genetlink.c:1218)
[   93.877540][ T1663]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.877544][ T1663]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.877546][ T1663]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   93.877551][ T1663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.877555][ T1663]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.877559][ T1663]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   93.877560][ T1663]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.877563][ T1663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.877568][ T1663]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   93.877571][ T1663]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   93.877575][ T1663]  __sys_sendto (net/socket.c:2281)
[   93.877578][ T1663]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   93.877584][ T1663]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   93.877593][ T1663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.877596][ T1663]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   93.877599][ T1663]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.877602][ T1663]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   93.877605][ T1663]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   93.877608][ T1663]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.877610][ T1663]  ? irq_exit_rcu (kernel/softirq.c:786)
[   93.877614][ T1663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.877616][ T1663] RIP: 0033:0x7f50b76a9312
[   93.877620][ T1663] 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)
[   93.877621][ T1663] RSP: 002b:00007ffdb88d5618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   93.877624][ T1663] RAX: ffffffffffffffda RBX: 00007ffdb88d5748 RCX: 00007f50b76a9312
[   93.877625][ T1663] RDX: 0000000000000034 RSI: 00007f50b42cfe30 RDI: 0000000000000023
[   93.877626][ T1663] RBP: 00007ffdb88d5640 R08: 00007ffdb88d57c0 R09: 000000000000000c
[   93.877627][ T1663] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f50b5502270
[   93.877628][ T1663] R13: 00007ffdb88d5748 R14: 00007f50b6fc801a R15: 00007ffdb88d5b38
| [   95.344296][ T1695] softirqs last disabled at (381958): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   95.344298][ T1695] Preemption disabled at:
| [   95.344299][ T1695] vprintk_emit (kernel/printk/printk.c:2471)
| [   95.344308][ T1695] Tainted: [W]=WARN
[   95.344309][ T1695] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.344310][ T1695] Call Trace:
[   95.344312][ T1695]  <TASK>
[   95.344313][ T1695]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   95.344319][ T1695]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   95.344321][ T1695]  __might_resched.cold (kernel/sched/core.c:9234)
[   95.344325][ T1695]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   95.344333][ T1695]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   95.344338][ T1695]  __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))
[   95.344340][ T1695]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.344347][ T1695]  ? 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)
[   95.344350][ T1695]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.344354][ T1695]  put_chars (drivers/char/virtio_console.c:1176)
[   95.344357][ T1695]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   95.344358][ T1695]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   95.344362][ T1695]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   95.344367][ T1695]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   95.344375][ T1695]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   95.344378][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.344380][ T1695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.344384][ T1695]  console_emit_next_record (kernel/printk/printk.c:3183)
[   95.344389][ T1695]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   95.344391][ T1695]  ? 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))
[   95.344394][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.344396][ T1695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.344401][ T1695]  console_flush_one_record (kernel/printk/printk.c:3268)
[   95.344409][ T1695]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   95.344411][ T1695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.344420][ T1695]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   95.344424][ T1695]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   95.344426][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.344428][ T1695]  ? 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)
[   95.344432][ T1695]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   95.344434][ T1695]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   95.344437][ T1695]  vprintk_emit (kernel/printk/printk.c:2479)
[   95.344440][ T1695]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   95.344442][ T1695]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   95.344446][ T1695]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   95.344452][ T1695]  _printk (kernel/printk/printk.c:2504)
[   95.344456][ T1695]  ? snapshot_read.cold (user.c:?)
[   95.344460][ T1695]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   95.344464][ T1695]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   95.344468][ T1695]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   95.344471][ T1695]  ? netdev_notice (net/core/dev.c:13194)
[   95.344473][ T1695]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   95.344478][ T1695]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   95.344483][ T1695]  ? 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)
[   95.344486][ T1695]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   95.344489][ T1695]  netif_set_promiscuity (net/core/dev.c:9699)
[   95.344493][ T1695]  dev_set_promiscuity (net/core/dev_api.c:288)
[   95.344495][ T1695]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.344499][ T1695] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   95.344503][ T1695]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[   95.344507][ T1695] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[   95.344511][ T1695] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[   95.344519][ T1695]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   95.344523][ T1695]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   95.344532][ T1695]  ? security_capable (security/security.c:660 (discriminator 11))
[   95.344536][ T1695]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   95.344540][ T1695]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   95.344543][ T1695]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   95.344546][ T1695]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[   95.344550][ T1695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.344556][ T1695]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   95.344560][ T1695]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.344562][ T1695]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   95.344566][ T1695]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   95.344574][ T1695]  ? 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))
[   95.344576][ T1695]  ? 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))
[   95.344580][ T1695]  genl_rcv (net/netlink/genetlink.c:1218)
[   95.344582][ T1695]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.344587][ T1695]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   95.344591][ T1695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.344594][ T1695]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.344598][ T1695]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   95.344600][ T1695]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.344603][ T1695]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.344608][ T1695]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   95.344611][ T1695]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   95.344615][ T1695]  __sys_sendto (net/socket.c:2281)
[   95.344618][ T1695]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   95.344630][ T1695]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   95.344636][ T1695]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   95.344638][ T1695]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.344642][ T1695]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   95.344644][ T1695]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   95.344647][ T1695]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.344649][ T1695]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   95.344651][ T1695]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.344653][ T1695] RIP: 0033:0x7f792eee7312
[   95.344657][ T1695] 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)
[   95.344659][ T1695] RSP: 002b:00007ffded1b3758 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   95.344661][ T1695] RAX: ffffffffffffffda RBX: 00007ffded1b3888 RCX: 00007f792eee7312
[   95.344663][ T1695] RDX: 0000000000000024 RSI: 00007f792cc25110 RDI: 0000000000000023
[   95.344664][ T1695] RBP: 00007ffded1b3780 R08: 00007ffded1b3900 R09: 000000000000000c
[   95.344664][ T1695] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f792cd4a270
[   95.344665][ T1695] R13: 00007ffded1b3888 R14: 00007f792e80601a R15: 00007ffded1b3c78
| [   96.871999][ T1731] softirqs last disabled at (394382): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   96.872002][ T1731] Preemption disabled at:
| [   96.872002][ T1731] vprintk_emit (kernel/printk/printk.c:2471)
| [   96.872011][ T1731] Tainted: [W]=WARN
[   96.872012][ T1731] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.872014][ T1731] Call Trace:
[   96.872015][ T1731]  <TASK>
[   96.872017][ T1731]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   96.872023][ T1731]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   96.872025][ T1731]  __might_resched.cold (kernel/sched/core.c:9234)
[   96.872030][ T1731]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   96.872035][ T1731]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   96.872041][ T1731]  __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))
[   96.872044][ T1731]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.872051][ T1731]  ? 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)
[   96.872054][ T1731]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.872058][ T1731]  put_chars (drivers/char/virtio_console.c:1176)
[   96.872060][ T1731]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   96.872062][ T1731]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   96.872065][ T1731]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   96.872070][ T1731]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   96.872078][ T1731]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   96.872081][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.872083][ T1731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.872087][ T1731]  console_emit_next_record (kernel/printk/printk.c:3183)
[   96.872091][ T1731]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   96.872092][ T1731]  ? 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))
[   96.872096][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.872097][ T1731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.872101][ T1731]  console_flush_one_record (kernel/printk/printk.c:3268)
[   96.872105][ T1731]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   96.872107][ T1731]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.872112][ T1731]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   96.872115][ T1731]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   96.872117][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.872119][ T1731]  ? 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)
[   96.872123][ T1731]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   96.872124][ T1731]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   96.872127][ T1731]  vprintk_emit (kernel/printk/printk.c:2479)
[   96.872130][ T1731]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   96.872132][ T1731]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.872137][ T1731]  _printk (kernel/printk/printk.c:2504)
[   96.872140][ T1731]  ? snapshot_read.cold (user.c:?)
[   96.872142][ T1731]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   96.872148][ T1731]  ? idr_get_free (??:?)
[   96.872150][ T1731]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[   96.872160][ T1731] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[   96.872167][ T1731]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   96.872172][ T1731]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   96.872175][ T1731]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[   96.872177][ T1731]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   96.872178][ T1731]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   96.872181][ T1731]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.872183][ T1731]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.872185][ T1731]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   96.872188][ T1731]  ? __sys_sendto (net/socket.c:2281)
[   96.872190][ T1731]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   96.872208][ T1731]  ? __nla_parse (lib/nlattr.c:732)
[   96.872212][ T1731]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   96.872217][ T1731]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   96.872220][ T1731]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   96.872228][ T1731]  ? security_capable (security/security.c:660 (discriminator 11))
[   96.872233][ T1731]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   96.872236][ T1731]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   96.872239][ T1731]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   96.872242][ T1731]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   96.872246][ T1731]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.872251][ T1731]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   96.872254][ T1731]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.872256][ T1731]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   96.872260][ T1731]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   96.872266][ T1731]  ? 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))
[   96.872268][ T1731]  ? 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))
[   96.872272][ T1731]  genl_rcv (net/netlink/genetlink.c:1218)
[   96.872274][ T1731]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.872278][ T1731]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   96.872282][ T1731]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.872285][ T1731]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.872289][ T1731]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   96.872291][ T1731]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.872294][ T1731]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.872298][ T1731]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   96.872300][ T1731]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   96.872304][ T1731]  __sys_sendto (net/socket.c:2281)
[   96.872307][ T1731]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   96.872317][ T1731]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   96.872323][ T1731]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   96.872325][ T1731]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   96.872332][ T1731]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   96.872334][ T1731]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   96.872336][ T1731]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.872338][ T1731]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   96.872340][ T1731]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.872343][ T1731] RIP: 0033:0x7f770e1e4312
[   96.872346][ T1731] 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)
[   96.872347][ T1731] RSP: 002b:00007ffda456a4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   96.872350][ T1731] RAX: ffffffffffffffda RBX: 00007ffda456a628 RCX: 00007f770e1e4312
[   96.872351][ T1731] RDX: 00000000000000e4 RSI: 00007f7709d55020 RDI: 0000000000000026
[   96.872352][ T1731] RBP: 00007ffda456a520 R08: 00007ffda456a6a0 R09: 000000000000000c
[   96.872353][ T1731] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f770c04e2e0
[   96.872354][ T1731] R13: 00007ffda456a628 R14: 00007f770db0301a R15: 00007ffda456aa18
| [   98.040208][ T1779] softirqs last disabled at (33734): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   98.040210][ T1779] Preemption disabled at:
| [   98.040211][ T1779] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.040219][ T1779] Tainted: [W]=WARN
[   98.040220][ T1779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.040222][ T1779] Call Trace:
[   98.040223][ T1779]  <TASK>
[   98.040225][ T1779]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.040231][ T1779]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.040232][ T1779]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.040237][ T1779]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.040241][ T1779]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   98.040245][ T1779]  __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))
[   98.040247][ T1779]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.040253][ T1779]  ? 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)
[   98.040256][ T1779]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.040260][ T1779]  put_chars (drivers/char/virtio_console.c:1176)
[   98.040261][ T1779]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   98.040264][ T1779]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.040266][ T1779]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   98.040269][ T1779]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.040272][ T1779]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   98.040276][ T1779]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.040280][ T1779]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   98.040282][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.040284][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.040288][ T1779]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.040290][ T1779]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   98.040294][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.040296][ T1779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.040300][ T1779]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.040304][ T1779]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.040306][ T1779]  ? 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))
[   98.040309][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.040311][ T1779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.040314][ T1779]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.040318][ T1779]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.040320][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.040326][ T1779]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.040330][ T1779]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.040332][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.040334][ T1779]  ? 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)
[   98.040337][ T1779]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.040339][ T1779]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.040342][ T1779]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.040345][ T1779]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.040347][ T1779]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   98.040352][ T1779]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   98.040357][ T1779]  _printk (kernel/printk/printk.c:2504)
[   98.040360][ T1779]  ? snapshot_read.cold (user.c:?)
[   98.040364][ T1779]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.040368][ T1779]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.040372][ T1779]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.040375][ T1779]  ? netdev_notice (net/core/dev.c:13194)
[   98.040376][ T1779]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   98.040380][ T1779]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   98.040385][ T1779]  ? 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)
[   98.040388][ T1779]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   98.040391][ T1779]  netif_set_promiscuity (net/core/dev.c:9699)
[   98.040395][ T1779]  dev_set_promiscuity (net/core/dev_api.c:288)
[   98.040397][ T1779]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.040400][ T1779] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   98.040408][ T1779] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   98.040412][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.040414][ T1779]  notifier_call_chain (kernel/notifier.c:85)
[   98.040420][ T1779]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   98.040425][ T1779]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   98.040432][ T1779]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   98.040434][ T1779]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   98.040436][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.040438][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.040440][ T1779]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   98.040461][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   98.040463][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   98.040466][ T1779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.040468][ T1779]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   98.040470][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.040475][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   98.040476][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   98.040478][ T1779]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   98.040480][ T1779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.040484][ T1779]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   98.040486][ T1779]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   98.040489][ T1779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.040491][ T1779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.040495][ T1779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   98.040497][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   98.040501][ T1779]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   98.040504][ T1779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.040506][ T1779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.040513][ T1779]  ? 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))
[   98.040515][ T1779]  ? 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))
[   98.040519][ T1779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.040523][ T1779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.040526][ T1779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   98.040530][ T1779]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   98.040534][ T1779]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   98.040538][ T1779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.040539][ T1779]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   98.040545][ T1779]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   98.040548][ T1779]  ____sys_sendmsg (net/socket.c:2713)
[   98.040551][ T1779]  ? copy_msghdr_from_user (net/socket.c:2650)
[   98.040553][ T1779]  ? sock_write_iter (net/socket.c:1269)
[   98.040554][ T1779]  ? move_addr_to_kernel (net/socket.c:258)
[   98.040562][ T1779]  ___sys_sendmsg (net/socket.c:2767)
[   98.040564][ T1779]  ? copy_msghdr_from_user (net/socket.c:2619)
[   98.040580][ T1779]  __sys_sendmsg (net/socket.c:2799)
[   98.040583][ T1779]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   98.040589][ T1779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.040592][ T1779]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   98.040596][ T1779]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   98.040599][ T1779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.040601][ T1779] RIP: 0033:0x7fe619b8554e
[   98.040604][ T1779] 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
[   98.040606][ T1779] RSP: 002b:00007ffe7623b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   98.040609][ T1779] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe619b8554e
[   98.040610][ T1779] RDX: 0000000000000000 RSI: 00007ffe7623b3b0 RDI: 0000000000000005
[   98.040611][ T1779] RBP: 00007ffe7623b310 R08: 0000000000000000 R09: 0000000000000000
[   98.040612][ T1779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9155fd
[   98.040612][ T1779] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7623ba70
| [  101.586209][ T1846] softirqs last disabled at (404538): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  101.586211][ T1846] Preemption disabled at:
| [  101.586212][ T1846] vprintk_emit (kernel/printk/printk.c:2471)
| [  101.586220][ T1846] Tainted: [W]=WARN
[  101.586221][ T1846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.586223][ T1846] Call Trace:
[  101.586225][ T1846]  <TASK>
[  101.586226][ T1846]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  101.586232][ T1846]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  101.586234][ T1846]  __might_resched.cold (kernel/sched/core.c:9234)
[  101.586238][ T1846]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  101.586243][ T1846]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  101.586247][ T1846]  __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))
[  101.586249][ T1846]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.586255][ T1846]  ? 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)
[  101.586258][ T1846]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.586262][ T1846]  put_chars (drivers/char/virtio_console.c:1176)
[  101.586264][ T1846]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  101.586271][ T1846]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  101.586279][ T1846]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  101.586282][ T1846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.586286][ T1846]  console_emit_next_record (kernel/printk/printk.c:3183)
[  101.586291][ T1846]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  101.586292][ T1846]  ? 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))
[  101.586296][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.586298][ T1846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.586302][ T1846]  console_flush_one_record (kernel/printk/printk.c:3268)
[  101.586307][ T1846]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  101.586308][ T1846]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.586314][ T1846]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  101.586317][ T1846]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  101.586319][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.586320][ T1846]  ? 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)
[  101.586324][ T1846]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  101.586326][ T1846]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  101.586332][ T1846]  vprintk_emit (kernel/printk/printk.c:2479)
[  101.586335][ T1846]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  101.586336][ T1846]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  101.586338][ T1846]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  101.586342][ T1846]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  101.586344][ T1846]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  101.586348][ T1846]  _printk (kernel/printk/printk.c:2504)
[  101.586352][ T1846]  ? snapshot_read.cold (user.c:?)
[  101.586356][ T1846]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  101.586360][ T1846]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  101.586364][ T1846]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  101.586367][ T1846]  ? netdev_notice (net/core/dev.c:13194)
[  101.586369][ T1846]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  101.586373][ T1846]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  101.586378][ T1846]  ? register_netdevice (net/core/dev.c:11556)
[  101.586381][ T1846]  ? 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)
[  101.586384][ T1846]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  101.586386][ T1846]  ? unregister_netdev (net/core/dev.c:12699)
[  101.586388][ T1846]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  101.586391][ T1846]  netif_set_promiscuity (net/core/dev.c:9699)
[  101.586395][ T1846]  dev_set_promiscuity (net/core/dev_api.c:288)
[  101.586398][ T1846] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  101.586403][ T1846] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  101.586409][ T1846] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  101.586414][ T1846] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  101.586421][ T1846]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  101.586424][ T1846]  ? __nla_validate_parse (lib/nlattr.c:635)
[  101.586431][ T1846]  ? __nla_parse (lib/nlattr.c:732)
[  101.586433][ T1846]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  101.586438][ T1846]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  101.586441][ T1846]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  101.586450][ T1846]  ? security_capable (security/security.c:660 (discriminator 11))
[  101.586455][ T1846]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  101.586458][ T1846]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  101.586461][ T1846]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.586464][ T1846]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  101.586468][ T1846]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.586474][ T1846]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  101.586477][ T1846]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  101.586479][ T1846]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  101.586483][ T1846]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.586490][ T1846]  ? 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))
[  101.586492][ T1846]  ? 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))
[  101.586496][ T1846]  genl_rcv (net/netlink/genetlink.c:1218)
[  101.586498][ T1846]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.586502][ T1846]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.586506][ T1846]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.586509][ T1846]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  101.586514][ T1846]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  101.586515][ T1846]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.586519][ T1846]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.586524][ T1846]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  101.586527][ T1846]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  101.586531][ T1846]  __sys_sendto (net/socket.c:2281)
[  101.586534][ T1846]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  101.586545][ T1846]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  101.586551][ T1846]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  101.586553][ T1846]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.586557][ T1846]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  101.586559][ T1846]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  101.586561][ T1846]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  101.586564][ T1846]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  101.586567][ T1846]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.586569][ T1846] RIP: 0033:0x7f761585d312
[  101.586573][ T1846] 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)
[  101.586574][ T1846] RSP: 002b:00007ffcd9bfbad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  101.586577][ T1846] RAX: ffffffffffffffda RBX: 00007ffcd9bfbc08 RCX: 00007f761585d312
[  101.586578][ T1846] RDX: 0000000000000030 RSI: 00007f761144d5b0 RDI: 0000000000000020
[  101.586579][ T1846] RBP: 00007ffcd9bfbb00 R08: 00007ffcd9bfbc80 R09: 000000000000000c
[  101.586580][ T1846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f76136b60b0
[  101.586581][ T1846] R13: 00007ffcd9bfbc08 R14: 00007f761517c01a R15: 00007ffcd9bfbff8
| [  102.902270][ T1894] softirqs last disabled at (391900): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  102.902272][ T1894] Preemption disabled at:
| [  102.902273][ T1894] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.902282][ T1894] Tainted: [W]=WARN
[  102.902283][ T1894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.902284][ T1894] Call Trace:
[  102.902286][ T1894]  <TASK>
[  102.902288][ T1894]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.902294][ T1894]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.902295][ T1894]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.902300][ T1894]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.902304][ T1894]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  102.902309][ T1894]  __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))
[  102.902311][ T1894]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.902318][ T1894]  ? 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)
[  102.902320][ T1894]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.902324][ T1894]  put_chars (drivers/char/virtio_console.c:1176)
[  102.902326][ T1894]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.902333][ T1894]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.902337][ T1894]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.902341][ T1894]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.902346][ T1894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.902347][ T1894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.902352][ T1894]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.902356][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.902358][ T1894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.902362][ T1894]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.902366][ T1894]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.902368][ T1894]  ? 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))
[  102.902371][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.902373][ T1894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.902377][ T1894]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.902381][ T1894]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.902383][ T1894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.902388][ T1894]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.902392][ T1894]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.902393][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.902395][ T1894]  ? 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)
[  102.902399][ T1894]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.902401][ T1894]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.902406][ T1894]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.902411][ T1894]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.902419][ T1894]  _printk (kernel/printk/printk.c:2504)
[  102.902423][ T1894]  ? snapshot_read.cold (user.c:?)
[  102.902425][ T1894]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  102.902429][ T1894]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  102.902433][ T1894]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  102.902435][ T1894]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  102.902438][ T1894]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  102.902442][ T1894]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  102.902445][ T1894]  ? netdev_notice (net/core/dev.c:13194)
[  102.902447][ T1894]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  102.902456][ T1894]  ? 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)
[  102.902458][ T1894]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  102.902462][ T1894]  netif_set_promiscuity (net/core/dev.c:9699)
[  102.902466][ T1894]  dev_set_promiscuity (net/core/dev_api.c:288)
[  102.902468][ T1894]  ? dev_disable_lro (net/core/dev_api.c:267)
[  102.902470][ T1894] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  102.902475][ T1894] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  102.902480][ T1894] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  102.902484][ T1894]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  102.902489][ T1894] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  102.902494][ T1894]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  102.902498][ T1894]  ? __nla_validate_parse (lib/nlattr.c:635)
[  102.902504][ T1894]  ? __nla_parse (lib/nlattr.c:732)
[  102.902507][ T1894]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  102.902512][ T1894]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  102.902515][ T1894]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  102.902523][ T1894]  ? security_capable (security/security.c:660 (discriminator 11))
[  102.902528][ T1894]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  102.902532][ T1894]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  102.902534][ T1894]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.902536][ T1894]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  102.902540][ T1894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.902546][ T1894]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  102.902549][ T1894]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.902551][ T1894]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  102.902554][ T1894]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.902562][ T1894]  ? 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))
[  102.902564][ T1894]  ? 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))
[  102.902568][ T1894]  genl_rcv (net/netlink/genetlink.c:1218)
[  102.902570][ T1894]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.902574][ T1894]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.902576][ T1894]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  102.902581][ T1894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.902585][ T1894]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.902589][ T1894]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.902590][ T1894]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.902593][ T1894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.902598][ T1894]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.902601][ T1894]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  102.902605][ T1894]  __sys_sendto (net/socket.c:2281)
[  102.902608][ T1894]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  102.902614][ T1894]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  102.902623][ T1894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.902626][ T1894]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  102.902629][ T1894]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  102.902632][ T1894]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  102.902635][ T1894]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  102.902637][ T1894]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.902639][ T1894]  ? irq_exit_rcu (kernel/softirq.c:786)
[  102.902643][ T1894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.902645][ T1894] RIP: 0033:0x7fcd42893312
[  102.902649][ T1894] 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)
[  102.902651][ T1894] RSP: 002b:00007ffc6c5d0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  102.902653][ T1894] RAX: ffffffffffffffda RBX: 00007ffc6c5d0df8 RCX: 00007fcd42893312
[  102.902655][ T1894] RDX: 0000000000000034 RSI: 00007fcd3e4b44f0 RDI: 0000000000000023
[  102.902656][ T1894] RBP: 00007ffc6c5d0cf0 R08: 00007ffc6c5d0e70 R09: 000000000000000c
[  102.902656][ T1894] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd406f6190
[  102.902657][ T1894] R13: 00007ffc6c5d0df8 R14: 00007fcd421b201a R15: 00007ffc6c5d11e8
| [  104.679354][ T1923] softirqs last disabled at (28344): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  104.679356][ T1923] Preemption disabled at:
| [  104.679357][ T1923] vprintk_emit (kernel/printk/printk.c:2471)
| [  104.679366][ T1923] Tainted: [W]=WARN
[  104.679367][ T1923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.679369][ T1923] Call Trace:
[  104.679371][ T1923]  <TASK>
[  104.679372][ T1923]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  104.679378][ T1923]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  104.679380][ T1923]  __might_resched.cold (kernel/sched/core.c:9234)
[  104.679385][ T1923]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  104.679389][ T1923]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  104.679393][ T1923]  __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))
[  104.679395][ T1923]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.679405][ T1923]  ? 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)
[  104.679408][ T1923]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.679413][ T1923]  put_chars (drivers/char/virtio_console.c:1176)
[  104.679415][ T1923]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  104.679418][ T1923]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  104.679420][ T1923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  104.679423][ T1923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  104.679426][ T1923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  104.679430][ T1923]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  104.679435][ T1923]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  104.679437][ T1923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.679438][ T1923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.679443][ T1923]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  104.679445][ T1923]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  104.679448][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.679450][ T1923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.679454][ T1923]  console_emit_next_record (kernel/printk/printk.c:3183)
[  104.679458][ T1923]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  104.679460][ T1923]  ? 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))
[  104.679464][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.679465][ T1923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.679469][ T1923]  console_flush_one_record (kernel/printk/printk.c:3268)
[  104.679474][ T1923]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  104.679476][ T1923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.679481][ T1923]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  104.679484][ T1923]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  104.679486][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.679487][ T1923]  ? 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)
[  104.679491][ T1923]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  104.679493][ T1923]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  104.679496][ T1923]  vprintk_emit (kernel/printk/printk.c:2479)
[  104.679499][ T1923]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  104.679501][ T1923]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[  104.679505][ T1923]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  104.679510][ T1923]  _printk (kernel/printk/printk.c:2504)
[  104.679514][ T1923]  ? snapshot_read.cold (user.c:?)
[  104.679518][ T1923]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  104.679522][ T1923]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  104.679526][ T1923]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  104.679529][ T1923]  ? netdev_notice (net/core/dev.c:13194)
[  104.679531][ T1923]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  104.679535][ T1923]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  104.679540][ T1923]  ? 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)
[  104.679543][ T1923]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  104.679546][ T1923]  netif_set_promiscuity (net/core/dev.c:9699)
[  104.679550][ T1923]  dev_set_promiscuity (net/core/dev_api.c:288)
[  104.679552][ T1923]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.679555][ T1923] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  104.679564][ T1923] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  104.679569][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.679571][ T1923]  notifier_call_chain (kernel/notifier.c:85)
[  104.679577][ T1923]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  104.679582][ T1923]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  104.679589][ T1923]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  104.679591][ T1923]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  104.679593][ T1923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.679595][ T1923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.679597][ T1923]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  104.679619][ T1923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  104.679621][ T1923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.679624][ T1923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.679626][ T1923]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  104.679628][ T1923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.679633][ T1923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  104.679635][ T1923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.679637][ T1923]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  104.679639][ T1923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.679643][ T1923]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  104.679645][ T1923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.679648][ T1923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.679650][ T1923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.679654][ T1923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  104.679656][ T1923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.679660][ T1923]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.679663][ T1923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.679666][ T1923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  104.679672][ T1923]  ? 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))
[  104.679675][ T1923]  ? 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))
[  104.679679][ T1923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.679683][ T1923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  104.679686][ T1923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.679690][ T1923]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.679694][ T1923]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  104.679698][ T1923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.679700][ T1923]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  104.679705][ T1923]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  104.679710][ T1923]  ____sys_sendmsg (net/socket.c:2713)
[  104.679712][ T1923]  ? copy_msghdr_from_user (net/socket.c:2650)
[  104.679714][ T1923]  ? sock_write_iter (net/socket.c:1269)
[  104.679716][ T1923]  ? move_addr_to_kernel (net/socket.c:258)
[  104.679723][ T1923]  ___sys_sendmsg (net/socket.c:2767)
[  104.679726][ T1923]  ? copy_msghdr_from_user (net/socket.c:2619)
[  104.679742][ T1923]  __sys_sendmsg (net/socket.c:2799)
[  104.679745][ T1923]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  104.679752][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.679755][ T1923]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.679758][ T1923]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  104.679761][ T1923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.679764][ T1923] RIP: 0033:0x7fc0f23ec54e
[  104.679767][ T1923] 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
[  104.679769][ T1923] RSP: 002b:00007ffd52978ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  104.679772][ T1923] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc0f23ec54e
[  104.679773][ T1923] RDX: 0000000000000000 RSI: 00007ffd52978b70 RDI: 0000000000000005
[  104.679774][ T1923] RBP: 00007ffd52978ad0 R08: 0000000000000000 R09: 0000000000000000
[  104.679775][ T1923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915603
[  104.679776][ T1923] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd52979230
| [  107.584158][ T1975] softirqs last disabled at (387380): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  107.584160][ T1975] Preemption disabled at:
| [  107.584161][ T1975] vprintk_emit (kernel/printk/printk.c:2471)
| [  107.584169][ T1975] Tainted: [W]=WARN
[  107.584169][ T1975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.584171][ T1975] Call Trace:
[  107.584173][ T1975]  <TASK>
[  107.584174][ T1975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  107.584180][ T1975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  107.584182][ T1975]  __might_resched.cold (kernel/sched/core.c:9234)
[  107.584187][ T1975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  107.584191][ T1975]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  107.584196][ T1975]  __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))
[  107.584198][ T1975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.584205][ T1975]  ? 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)
[  107.584207][ T1975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.584211][ T1975]  put_chars (drivers/char/virtio_console.c:1176)
[  107.584214][ T1975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  107.584220][ T1975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  107.584228][ T1975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  107.584232][ T1975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.584236][ T1975]  console_emit_next_record (kernel/printk/printk.c:3183)
[  107.584241][ T1975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  107.584242][ T1975]  ? 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))
[  107.584246][ T1975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.584248][ T1975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.584252][ T1975]  console_flush_one_record (kernel/printk/printk.c:3268)
[  107.584257][ T1975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  107.584259][ T1975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.584264][ T1975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  107.584267][ T1975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  107.584269][ T1975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.584271][ T1975]  ? 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)
[  107.584274][ T1975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  107.584276][ T1975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  107.584279][ T1975]  vprintk_emit (kernel/printk/printk.c:2479)
[  107.584282][ T1975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  107.584283][ T1975]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  107.584285][ T1975]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  107.584289][ T1975]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  107.584291][ T1975]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  107.584295][ T1975]  _printk (kernel/printk/printk.c:2504)
[  107.584299][ T1975]  ? snapshot_read.cold (user.c:?)
[  107.584303][ T1975]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  107.584307][ T1975]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  107.584311][ T1975]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  107.584314][ T1975]  ? netdev_notice (net/core/dev.c:13194)
[  107.584316][ T1975]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  107.584320][ T1975]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  107.584325][ T1975]  ? register_netdevice (net/core/dev.c:11556)
[  107.584331][ T1975]  ? 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)
[  107.584334][ T1975]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  107.584336][ T1975]  ? unregister_netdev (net/core/dev.c:12699)
[  107.584339][ T1975]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  107.584341][ T1975]  netif_set_promiscuity (net/core/dev.c:9699)
[  107.584345][ T1975]  dev_set_promiscuity (net/core/dev_api.c:288)
[  107.584348][ T1975] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  107.584353][ T1975] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  107.584358][ T1975] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  107.584364][ T1975] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  107.584371][ T1975]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  107.584374][ T1975]  ? __nla_validate_parse (lib/nlattr.c:635)
[  107.584380][ T1975]  ? __nla_parse (lib/nlattr.c:732)
[  107.584383][ T1975]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  107.584388][ T1975]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  107.584391][ T1975]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  107.584401][ T1975]  ? security_capable (security/security.c:660 (discriminator 11))
[  107.584407][ T1975]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  107.584412][ T1975]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  107.584415][ T1975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.584417][ T1975]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  107.584422][ T1975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.584427][ T1975]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  107.584431][ T1975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  107.584433][ T1975]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  107.584436][ T1975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.584443][ T1975]  ? 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))
[  107.584445][ T1975]  ? 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))
[  107.584449][ T1975]  genl_rcv (net/netlink/genetlink.c:1218)
[  107.584451][ T1975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.584455][ T1975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.584459][ T1975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.584463][ T1975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  107.584467][ T1975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  107.584469][ T1975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  107.584472][ T1975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  107.584477][ T1975]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  107.584480][ T1975]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  107.584484][ T1975]  __sys_sendto (net/socket.c:2281)
[  107.584487][ T1975]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  107.584499][ T1975]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  107.584505][ T1975]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  107.584507][ T1975]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.584511][ T1975]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  107.584512][ T1975]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  107.584515][ T1975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  107.584517][ T1975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  107.584520][ T1975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.584522][ T1975] RIP: 0033:0x7f228437a312
[  107.584525][ T1975] 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)
[  107.584527][ T1975] RSP: 002b:00007ffde9a2cf28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  107.584530][ T1975] RAX: ffffffffffffffda RBX: 00007ffde9a2d058 RCX: 00007f228437a312
[  107.584531][ T1975] RDX: 0000000000000034 RSI: 00007f2280779bb0 RDI: 0000000000000020
[  107.584532][ T1975] RBP: 00007ffde9a2cf50 R08: 00007ffde9a2d0d0 R09: 000000000000000c
[  107.584533][ T1975] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f22821da0b0
[  107.584534][ T1975] R13: 00007ffde9a2d058 R14: 00007f2283c9901a R15: 00007ffde9a2d448
| [  108.922393][ T2020] softirqs last disabled at (384730): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  108.922395][ T2020] Preemption disabled at:
| [  108.922395][ T2020] vprintk_emit (kernel/printk/printk.c:2471)
| [  108.922403][ T2020] Tainted: [W]=WARN
[  108.922405][ T2020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.922406][ T2020] Call Trace:
[  108.922408][ T2020]  <TASK>
[  108.922409][ T2020]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  108.922415][ T2020]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  108.922417][ T2020]  __might_resched.cold (kernel/sched/core.c:9234)
[  108.922421][ T2020]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  108.922425][ T2020]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  108.922430][ T2020]  __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))
[  108.922432][ T2020]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.922438][ T2020]  ? 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)
[  108.922441][ T2020]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.922445][ T2020]  put_chars (drivers/char/virtio_console.c:1176)
[  108.922447][ T2020]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  108.922450][ T2020]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  108.922454][ T2020]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  108.922458][ T2020]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  108.922462][ T2020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.922464][ T2020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.922468][ T2020]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  108.922472][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.922474][ T2020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.922478][ T2020]  console_emit_next_record (kernel/printk/printk.c:3183)
[  108.922483][ T2020]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  108.922484][ T2020]  ? 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))
[  108.922488][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.922489][ T2020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.922493][ T2020]  console_flush_one_record (kernel/printk/printk.c:3268)
[  108.922498][ T2020]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  108.922499][ T2020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.922505][ T2020]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  108.922508][ T2020]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  108.922510][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.922511][ T2020]  ? 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)
[  108.922515][ T2020]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  108.922517][ T2020]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  108.922520][ T2020]  vprintk_emit (kernel/printk/printk.c:2479)
[  108.922523][ T2020]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  108.922528][ T2020]  _printk (kernel/printk/printk.c:2504)
[  108.922531][ T2020]  ? snapshot_read.cold (user.c:?)
[  108.922534][ T2020]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  108.922537][ T2020]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  108.922542][ T2020]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  108.922543][ T2020]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  108.922547][ T2020]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  108.922551][ T2020]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  108.922553][ T2020]  ? netdev_notice (net/core/dev.c:13194)
[  108.922555][ T2020]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  108.922564][ T2020]  ? 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)
[  108.922567][ T2020]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  108.922570][ T2020]  netif_set_promiscuity (net/core/dev.c:9699)
[  108.922574][ T2020]  dev_set_promiscuity (net/core/dev_api.c:288)
[  108.922576][ T2020]  ? dev_disable_lro (net/core/dev_api.c:267)
[  108.922578][ T2020] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  108.922584][ T2020] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  108.922589][ T2020] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  108.922593][ T2020]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  108.922597][ T2020] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  108.922603][ T2020]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  108.922606][ T2020]  ? __nla_validate_parse (lib/nlattr.c:635)
[  108.922613][ T2020]  ? __nla_parse (lib/nlattr.c:732)
[  108.922615][ T2020]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  108.922620][ T2020]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  108.922624][ T2020]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  108.922632][ T2020]  ? security_capable (security/security.c:660 (discriminator 11))
[  108.922636][ T2020]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  108.922640][ T2020]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  108.922643][ T2020]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  108.922645][ T2020]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  108.922649][ T2020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.922654][ T2020]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  108.922658][ T2020]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  108.922660][ T2020]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  108.922663][ T2020]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.922670][ T2020]  ? 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))
[  108.922672][ T2020]  ? 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))
[  108.922676][ T2020]  genl_rcv (net/netlink/genetlink.c:1218)
[  108.922679][ T2020]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.922683][ T2020]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.922686][ T2020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.922690][ T2020]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  108.922694][ T2020]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  108.922696][ T2020]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  108.922699][ T2020]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  108.922704][ T2020]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  108.922707][ T2020]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  108.922711][ T2020]  __sys_sendto (net/socket.c:2281)
[  108.922714][ T2020]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  108.922724][ T2020]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  108.922731][ T2020]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  108.922733][ T2020]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  108.922737][ T2020]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  108.922738][ T2020]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  108.922741][ T2020]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  108.922743][ T2020]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  108.922746][ T2020]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.922747][ T2020] RIP: 0033:0x7ff782282312
[  108.922751][ T2020] 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)
[  108.922753][ T2020] RSP: 002b:00007ffc738c94b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  108.922755][ T2020] RAX: ffffffffffffffda RBX: 00007ffc738c95e8 RCX: 00007ff782282312
[  108.922757][ T2020] RDX: 0000000000000034 RSI: 00007ff77deac270 RDI: 0000000000000023
[  108.922757][ T2020] RBP: 00007ffc738c94e0 R08: 00007ffc738c9660 R09: 000000000000000c
[  108.922758][ T2020] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff7800e2190
[  108.922759][ T2020] R13: 00007ffc738c95e8 R14: 00007ff781ba101a R15: 00007ffc738c99d8
| [  110.581278][ T2058] softirqs last disabled at (404570): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  110.581280][ T2058] Preemption disabled at:
| [  110.581281][ T2058] vprintk_emit (kernel/printk/printk.c:2471)
| [  110.581289][ T2058] Tainted: [W]=WARN
[  110.581290][ T2058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.581292][ T2058] Call Trace:
[  110.581293][ T2058]  <TASK>
[  110.581295][ T2058]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  110.581301][ T2058]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  110.581303][ T2058]  __might_resched.cold (kernel/sched/core.c:9234)
[  110.581308][ T2058]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  110.581312][ T2058]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  110.581317][ T2058]  __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))
[  110.581319][ T2058]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.581325][ T2058]  ? 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)
[  110.581331][ T2058]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.581335][ T2058]  put_chars (drivers/char/virtio_console.c:1176)
[  110.581338][ T2058]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  110.581341][ T2058]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  110.581344][ T2058]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  110.581349][ T2058]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  110.581354][ T2058]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.581356][ T2058]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.581361][ T2058]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  110.581364][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.581367][ T2058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.581371][ T2058]  console_emit_next_record (kernel/printk/printk.c:3183)
[  110.581375][ T2058]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  110.581377][ T2058]  ? 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))
[  110.581381][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.581383][ T2058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.581387][ T2058]  console_flush_one_record (kernel/printk/printk.c:3268)
[  110.581391][ T2058]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  110.581393][ T2058]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.581400][ T2058]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  110.581405][ T2058]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  110.581408][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.581411][ T2058]  ? 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)
[  110.581417][ T2058]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  110.581419][ T2058]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  110.581422][ T2058]  vprintk_emit (kernel/printk/printk.c:2479)
[  110.581426][ T2058]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  110.581431][ T2058]  _printk (kernel/printk/printk.c:2504)
[  110.581435][ T2058]  ? snapshot_read.cold (user.c:?)
[  110.581438][ T2058]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  110.581441][ T2058]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  110.581445][ T2058]  ? 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)
[  110.581447][ T2058]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  110.581449][ T2058]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  110.581452][ T2058]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  110.581457][ T2058]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  110.581459][ T2058]  ? netdev_notice (net/core/dev.c:13194)
[  110.581461][ T2058]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  110.581470][ T2058]  ? 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)
[  110.581473][ T2058]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  110.581477][ T2058]  netif_set_promiscuity (net/core/dev.c:9699)
[  110.581481][ T2058]  dev_set_promiscuity (net/core/dev_api.c:288)
[  110.581483][ T2058]  ? dev_disable_lro (net/core/dev_api.c:267)
[  110.581485][ T2058] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  110.581490][ T2058] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  110.581496][ T2058] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  110.581500][ T2058]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  110.581505][ T2058] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  110.581511][ T2058]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  110.581515][ T2058]  ? __nla_validate_parse (lib/nlattr.c:635)
[  110.581521][ T2058]  ? __nla_parse (lib/nlattr.c:732)
[  110.581524][ T2058]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  110.581529][ T2058]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  110.581533][ T2058]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  110.581541][ T2058]  ? security_capable (security/security.c:660 (discriminator 11))
[  110.581546][ T2058]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  110.581550][ T2058]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  110.581553][ T2058]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  110.581555][ T2058]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  110.581559][ T2058]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.581565][ T2058]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  110.581569][ T2058]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  110.581571][ T2058]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  110.581575][ T2058]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  110.581582][ T2058]  ? 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))
[  110.581585][ T2058]  ? 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))
[  110.581589][ T2058]  genl_rcv (net/netlink/genetlink.c:1218)
[  110.581591][ T2058]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  110.581595][ T2058]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  110.581599][ T2058]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.581603][ T2058]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  110.581607][ T2058]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  110.581609][ T2058]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  110.581613][ T2058]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  110.581618][ T2058]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  110.581621][ T2058]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  110.581625][ T2058]  __sys_sendto (net/socket.c:2281)
[  110.581628][ T2058]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  110.581633][ T2058]  ? do_futex (kernel/futex/syscalls.c:138)
[  110.581637][ T2058]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  110.581643][ T2058]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  110.581648][ T2058]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  110.581652][ T2058]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  110.581654][ T2058]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.581658][ T2058]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  110.581661][ T2058]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  110.581664][ T2058]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  110.581666][ T2058]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  110.581669][ T2058]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  110.581671][ T2058] RIP: 0033:0x7f3592c1e312
[  110.581674][ T2058] 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)
[  110.581676][ T2058] RSP: 002b:00007ffe1e46a998 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  110.581679][ T2058] RAX: ffffffffffffffda RBX: 00007ffe1e46aac8 RCX: 00007f3592c1e312
[  110.581680][ T2058] RDX: 0000000000000038 RSI: 00007f358a7f3fb0 RDI: 0000000000000023
[  110.581681][ T2058] RBP: 00007ffe1e46a9c0 R08: 00007ffe1e46ab40 R09: 000000000000000c
[  110.581682][ T2058] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3590a7e190
[  110.581683][ T2058] R13: 00007ffe1e46aac8 R14: 00007f359253d01a R15: 00007ffe1e46aeb8
| [  116.996459][ T2185] softirqs last disabled at (23251): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  116.996462][ T2185] Preemption disabled at:
| [  116.996462][ T2185] vprintk_emit (kernel/printk/printk.c:2471)
| [  116.996471][ T2185] Tainted: [W]=WARN
[  116.996472][ T2185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.996473][ T2185] Call Trace:
[  116.996475][ T2185]  <TASK>
[  116.996476][ T2185]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  116.996482][ T2185]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  116.996484][ T2185]  __might_resched.cold (kernel/sched/core.c:9234)
[  116.996488][ T2185]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  116.996492][ T2185]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  116.996497][ T2185]  __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))
[  116.996499][ T2185]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.996505][ T2185]  ? 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)
[  116.996508][ T2185]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.996511][ T2185]  put_chars (drivers/char/virtio_console.c:1176)
[  116.996513][ T2185]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  116.996516][ T2185]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  116.996518][ T2185]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  116.996521][ T2185]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  116.996524][ T2185]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  116.996528][ T2185]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  116.996532][ T2185]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  116.996534][ T2185]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  116.996536][ T2185]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  116.996540][ T2185]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  116.996543][ T2185]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  116.996546][ T2185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.996548][ T2185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.996552][ T2185]  console_emit_next_record (kernel/printk/printk.c:3183)
[  116.996556][ T2185]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  116.996558][ T2185]  ? 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))
[  116.996561][ T2185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.996563][ T2185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.996567][ T2185]  console_flush_one_record (kernel/printk/printk.c:3268)
[  116.996571][ T2185]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  116.996573][ T2185]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  116.996578][ T2185]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  116.996581][ T2185]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  116.996583][ T2185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.996584][ T2185]  ? 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)
[  116.996588][ T2185]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  116.996590][ T2185]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  116.996593][ T2185]  vprintk_emit (kernel/printk/printk.c:2479)
[  116.996596][ T2185]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  116.996598][ T2185]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  116.996601][ T2185]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  116.996609][ T2185]  _printk (kernel/printk/printk.c:2504)
[  116.996613][ T2185]  ? snapshot_read.cold (user.c:?)
[  116.996617][ T2185]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  116.996621][ T2185]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  116.996625][ T2185]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  116.996628][ T2185]  ? netdev_notice (net/core/dev.c:13194)
[  116.996629][ T2185]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  116.996634][ T2185]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  116.996639][ T2185]  ? 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)
[  116.996641][ T2185]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  116.996645][ T2185]  netif_set_promiscuity (net/core/dev.c:9699)
[  116.996648][ T2185]  dev_set_promiscuity (net/core/dev_api.c:288)
[  116.996650][ T2185]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.996654][ T2185] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  116.996660][ T2185] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  116.996665][ T2185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.996667][ T2185]  notifier_call_chain (kernel/notifier.c:85)
[  116.996673][ T2185]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  116.996678][ T2185]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  116.996685][ T2185]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  116.996687][ T2185]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  116.996689][ T2185]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  116.996691][ T2185]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  116.996693][ T2185]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  116.996714][ T2185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  116.996716][ T2185]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  116.996719][ T2185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  116.996721][ T2185]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  116.996723][ T2185]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  116.996728][ T2185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  116.996730][ T2185]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  116.996732][ T2185]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  116.996734][ T2185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  116.996737][ T2185]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  116.996739][ T2185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  116.996743][ T2185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.996744][ T2185]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  116.996748][ T2185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  116.996750][ T2185]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  116.996754][ T2185]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  116.996757][ T2185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.996760][ T2185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  116.996766][ T2185]  ? 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))
[  116.996768][ T2185]  ? 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))
[  116.996772][ T2185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.996776][ T2185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  116.996779][ T2185]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  116.996783][ T2185]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  116.996787][ T2185]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  116.996791][ T2185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  116.996793][ T2185]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  116.996798][ T2185]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  116.996802][ T2185]  ____sys_sendmsg (net/socket.c:2713)
[  116.996804][ T2185]  ? copy_msghdr_from_user (net/socket.c:2650)
[  116.996806][ T2185]  ? sock_write_iter (net/socket.c:1269)
[  116.996808][ T2185]  ? move_addr_to_kernel (net/socket.c:258)
[  116.996815][ T2185]  ___sys_sendmsg (net/socket.c:2767)
[  116.996818][ T2185]  ? copy_msghdr_from_user (net/socket.c:2619)
[  116.996834][ T2185]  __sys_sendmsg (net/socket.c:2799)
[  116.996837][ T2185]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  116.996843][ T2185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.996846][ T2185]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  116.996850][ T2185]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  116.996853][ T2185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.996855][ T2185] RIP: 0033:0x7f172997654e
[  116.996858][ T2185] 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
[  116.996860][ T2185] RSP: 002b:00007ffdf3c18e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  116.996863][ T2185] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f172997654e
[  116.996864][ T2185] RDX: 0000000000000000 RSI: 00007ffdf3c18f30 RDI: 0000000000000005
[  116.996865][ T2185] RBP: 00007ffdf3c18e90 R08: 0000000000000000 R09: 0000000000000000
[  116.996866][ T2185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915610
[  116.996867][ T2185] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf3c195f0
| [  120.369032][ T2248] softirqs last disabled at (378538): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  120.369034][ T2248] Preemption disabled at:
| [  120.369035][ T2248] vprintk_emit (kernel/printk/printk.c:2471)
| [  120.369043][ T2248] Tainted: [W]=WARN
[  120.369044][ T2248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  120.369046][ T2248] Call Trace:
[  120.369048][ T2248]  <TASK>
[  120.369049][ T2248]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  120.369055][ T2248]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  120.369057][ T2248]  __might_resched.cold (kernel/sched/core.c:9234)
[  120.369061][ T2248]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  120.369066][ T2248]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  120.369070][ T2248]  __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))
[  120.369072][ T2248]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.369078][ T2248]  ? 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)
[  120.369081][ T2248]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.369085][ T2248]  put_chars (drivers/char/virtio_console.c:1176)
[  120.369087][ T2248]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  120.369090][ T2248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  120.369093][ T2248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  120.369096][ T2248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  120.369100][ T2248]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  120.369104][ T2248]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  120.369106][ T2248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  120.369108][ T2248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  120.369112][ T2248]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  120.369114][ T2248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  120.369118][ T2248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.369122][ T2248]  console_emit_next_record (kernel/printk/printk.c:3183)
[  120.369126][ T2248]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  120.369128][ T2248]  ? 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))
[  120.369131][ T2248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.369133][ T2248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.369137][ T2248]  console_flush_one_record (kernel/printk/printk.c:3268)
[  120.369141][ T2248]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  120.369143][ T2248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  120.369148][ T2248]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  120.369151][ T2248]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  120.369153][ T2248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.369155][ T2248]  ? 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)
[  120.369158][ T2248]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  120.369160][ T2248]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  120.369163][ T2248]  vprintk_emit (kernel/printk/printk.c:2479)
[  120.369166][ T2248]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  120.369169][ T2248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  120.369170][ T2248]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  120.369175][ T2248]  _printk (kernel/printk/printk.c:2504)
[  120.369179][ T2248]  ? snapshot_read.cold (user.c:?)
[  120.369180][ T2248]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  120.369186][ T2248]  ? idr_get_free (??:?)
[  120.369191][ T2248]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  120.369199][ T2248]  ? nla_get_range_signed (lib/nlattr.c:270)
[  120.369205][ T2248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.369207][ T2248]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  120.369211][ T2248]  __nla_validate_parse (lib/nlattr.c:635)
[  120.369216][ T2248]  __nla_parse (lib/nlattr.c:732)
[  120.369218][ T2248]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  120.369223][ T2248]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  120.369227][ T2248]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  120.369235][ T2248]  ? security_capable (security/security.c:660 (discriminator 11))
[  120.369239][ T2248]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  120.369243][ T2248]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  120.369245][ T2248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  120.369247][ T2248]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  120.369255][ T2248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  120.369261][ T2248]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  120.369264][ T2248]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  120.369266][ T2248]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  120.369269][ T2248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  120.369276][ T2248]  ? 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))
[  120.369278][ T2248]  ? 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))
[  120.369282][ T2248]  genl_rcv (net/netlink/genetlink.c:1218)
[  120.369285][ T2248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  120.369289][ T2248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  120.369292][ T2248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  120.369296][ T2248]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  120.369300][ T2248]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  120.369301][ T2248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  120.369304][ T2248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  120.369309][ T2248]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  120.369312][ T2248]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  120.369316][ T2248]  __sys_sendto (net/socket.c:2281)
[  120.369319][ T2248]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  120.369333][ T2248]  ? fput_close_sync (fs/file_table.c:617)
[  120.369337][ T2248]  ? alloc_file_clone (fs/file_table.c:479)
[  120.369341][ T2248]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  120.369343][ T2248]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  120.369347][ T2248]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  120.369349][ T2248]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  120.369352][ T2248]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  120.369354][ T2248]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  120.369357][ T2248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.369359][ T2248] RIP: 0033:0x7f6a37f98312
[  120.369362][ T2248] 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)
[  120.369365][ T2248] RSP: 002b:00007ffcbdc9fe58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  120.369367][ T2248] RAX: ffffffffffffffda RBX: 00007ffcbdc9ff88 RCX: 00007f6a37f98312
[  120.369369][ T2248] RDX: 0000000000000048 RSI: 00007f6a34376f10 RDI: 0000000000000020
[  120.369370][ T2248] RBP: 00007ffcbdc9fe80 R08: 00007ffcbdca0000 R09: 000000000000000c
[  120.369371][ T2248] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a35e020b0
[  120.369372][ T2248] R13: 00007ffcbdc9ff88 R14: 00007f6a378b701a R15: 00007ffcbdca0378
| [  121.571747][ T2296] softirqs last disabled at (364434): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  121.571749][ T2296] Preemption disabled at:
| [  121.571750][ T2296] vprintk_emit (kernel/printk/printk.c:2471)
| [  121.571759][ T2296] Tainted: [W]=WARN
[  121.571759][ T2296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.571761][ T2296] Call Trace:
[  121.571763][ T2296]  <TASK>
[  121.571764][ T2296]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.571771][ T2296]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  121.571772][ T2296]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.571777][ T2296]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.571781][ T2296]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  121.571786][ T2296]  __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))
[  121.571788][ T2296]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.571795][ T2296]  ? 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)
[  121.571797][ T2296]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.571801][ T2296]  put_chars (drivers/char/virtio_console.c:1176)
[  121.571804][ T2296]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.571807][ T2296]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  121.571810][ T2296]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  121.571815][ T2296]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.571819][ T2296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.571821][ T2296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.571826][ T2296]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.571830][ T2296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.571832][ T2296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.571836][ T2296]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.571840][ T2296]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.571842][ T2296]  ? 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))
[  121.571846][ T2296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.571848][ T2296]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.571852][ T2296]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.571856][ T2296]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.571858][ T2296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.571863][ T2296]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.571866][ T2296]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.571868][ T2296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.571870][ T2296]  ? 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)
[  121.571874][ T2296]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.571876][ T2296]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.571879][ T2296]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.571882][ T2296]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.571887][ T2296]  _printk (kernel/printk/printk.c:2504)
[  121.571891][ T2296]  ? snapshot_read.cold (user.c:?)
[  121.571894][ T2296]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  121.571897][ T2296]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  121.571901][ T2296]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  121.571903][ T2296]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  121.571907][ T2296]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  121.571911][ T2296]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  121.571913][ T2296]  ? netdev_notice (net/core/dev.c:13194)
[  121.571915][ T2296]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  121.571924][ T2296]  ? 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)
[  121.571927][ T2296]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  121.571930][ T2296]  netif_set_promiscuity (net/core/dev.c:9699)
[  121.571934][ T2296]  dev_set_promiscuity (net/core/dev_api.c:288)
[  121.571936][ T2296]  ? dev_disable_lro (net/core/dev_api.c:267)
[  121.571939][ T2296] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  121.571944][ T2296] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  121.571949][ T2296] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  121.571959][ T2296]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  121.571964][ T2296] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  121.571969][ T2296]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  121.571973][ T2296]  ? __nla_validate_parse (lib/nlattr.c:635)
[  121.571980][ T2296]  ? __nla_parse (lib/nlattr.c:732)
[  121.571982][ T2296]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  121.571987][ T2296]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  121.571991][ T2296]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  121.571999][ T2296]  ? security_capable (security/security.c:660 (discriminator 11))
[  121.572004][ T2296]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  121.572008][ T2296]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  121.572011][ T2296]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  121.572013][ T2296]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  121.572017][ T2296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.572023][ T2296]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  121.572026][ T2296]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  121.572029][ T2296]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  121.572034][ T2296]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  121.572045][ T2296]  ? 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))
[  121.572048][ T2296]  ? 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))
[  121.572052][ T2296]  genl_rcv (net/netlink/genetlink.c:1218)
[  121.572054][ T2296]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.572058][ T2296]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  121.572062][ T2296]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.572066][ T2296]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  121.572070][ T2296]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  121.572072][ T2296]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  121.572075][ T2296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  121.572080][ T2296]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  121.572083][ T2296]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  121.572087][ T2296]  __sys_sendto (net/socket.c:2281)
[  121.572090][ T2296]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  121.572101][ T2296]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  121.572108][ T2296]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  121.572110][ T2296]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  121.572114][ T2296]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  121.572116][ T2296]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  121.572119][ T2296]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.572120][ T2296]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  121.572123][ T2296]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.572125][ T2296] RIP: 0033:0x7f5282ddc312
[  121.572129][ T2296] 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)
[  121.572130][ T2296] RSP: 002b:00007fffe967bca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  121.572133][ T2296] RAX: ffffffffffffffda RBX: 00007fffe967bdd8 RCX: 00007f5282ddc312
[  121.572134][ T2296] RDX: 0000000000000030 RSI: 00007f528022ff30 RDI: 0000000000000023
[  121.572135][ T2296] RBP: 00007fffe967bcd0 R08: 00007fffe967be50 R09: 000000000000000c
[  121.572136][ T2296] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5280c46190
[  121.572137][ T2296] R13: 00007fffe967bdd8 R14: 00007f52826fb01a R15: 00007fffe967c1c8
| [  122.763050][ T2334] softirqs last disabled at (398368): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  122.763052][ T2334] Preemption disabled at:
| [  122.763053][ T2334] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.763062][ T2334] Tainted: [W]=WARN
[  122.763063][ T2334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.763064][ T2334] Call Trace:
[  122.763066][ T2334]  <TASK>
[  122.763067][ T2334]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.763073][ T2334]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.763075][ T2334]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.763080][ T2334]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.763084][ T2334]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  122.763089][ T2334]  __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))
[  122.763091][ T2334]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.763097][ T2334]  ? 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)
[  122.763100][ T2334]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.763104][ T2334]  put_chars (drivers/char/virtio_console.c:1176)
[  122.763106][ T2334]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.763110][ T2334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  122.763113][ T2334]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  122.763117][ T2334]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.763122][ T2334]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.763124][ T2334]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.763129][ T2334]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.763132][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.763135][ T2334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.763139][ T2334]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.763143][ T2334]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.763145][ T2334]  ? 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))
[  122.763148][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.763150][ T2334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.763155][ T2334]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.763159][ T2334]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.763161][ T2334]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.763167][ T2334]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.763170][ T2334]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.763172][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.763173][ T2334]  ? 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)
[  122.763177][ T2334]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.763179][ T2334]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.763182][ T2334]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.763185][ T2334]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.763191][ T2334]  _printk (kernel/printk/printk.c:2504)
[  122.763194][ T2334]  ? snapshot_read.cold (user.c:?)
[  122.763197][ T2334]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  122.763201][ T2334]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  122.763205][ T2334]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  122.763207][ T2334]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  122.763210][ T2334]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  122.763214][ T2334]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  122.763217][ T2334]  ? netdev_notice (net/core/dev.c:13194)
[  122.763219][ T2334]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  122.763228][ T2334]  ? 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)
[  122.763231][ T2334]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  122.763234][ T2334]  netif_set_promiscuity (net/core/dev.c:9699)
[  122.763238][ T2334]  dev_set_promiscuity (net/core/dev_api.c:288)
[  122.763240][ T2334]  ? dev_disable_lro (net/core/dev_api.c:267)
[  122.763243][ T2334] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  122.763248][ T2334] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  122.763253][ T2334] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  122.763257][ T2334]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  122.763262][ T2334] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  122.763268][ T2334]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  122.763271][ T2334]  ? __nla_validate_parse (lib/nlattr.c:635)
[  122.763278][ T2334]  ? __nla_parse (lib/nlattr.c:732)
[  122.763280][ T2334]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  122.763285][ T2334]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  122.763289][ T2334]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  122.763297][ T2334]  ? security_capable (security/security.c:660 (discriminator 11))
[  122.763302][ T2334]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  122.763306][ T2334]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  122.763308][ T2334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  122.763310][ T2334]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  122.763315][ T2334]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.763320][ T2334]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  122.763324][ T2334]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.763326][ T2334]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  122.763333][ T2334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.763340][ T2334]  ? 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))
[  122.763343][ T2334]  ? 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))
[  122.763347][ T2334]  genl_rcv (net/netlink/genetlink.c:1218)
[  122.763349][ T2334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.763353][ T2334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.763355][ T2334]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  122.763360][ T2334]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.763364][ T2334]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.763368][ T2334]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.763370][ T2334]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  122.763373][ T2334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.763378][ T2334]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  122.763381][ T2334]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  122.763385][ T2334]  __sys_sendto (net/socket.c:2281)
[  122.763388][ T2334]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  122.763390][ T2334]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  122.763395][ T2334]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  122.763407][ T2334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.763414][ T2334]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  122.763416][ T2334]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  122.763420][ T2334]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  122.763423][ T2334]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  122.763426][ T2334]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.763428][ T2334]  ? irq_exit_rcu (kernel/softirq.c:786)
[  122.763432][ T2334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.763434][ T2334] RIP: 0033:0x7ffa927f1312
[  122.763438][ T2334] 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)
[  122.763440][ T2334] RSP: 002b:00007ffee5bec3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  122.763442][ T2334] RAX: ffffffffffffffda RBX: 00007ffee5bec518 RCX: 00007ffa927f1312
[  122.763444][ T2334] RDX: 0000000000000030 RSI: 00007ffa8e3939b0 RDI: 0000000000000023
[  122.763445][ T2334] RBP: 00007ffee5bec410 R08: 00007ffee5bec590 R09: 000000000000000c
[  122.763446][ T2334] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa9064a270
[  122.763446][ T2334] R13: 00007ffee5bec518 R14: 00007ffa9211001a R15: 00007ffee5bec908
| [  146.827929][ T2505] softirqs last disabled at (26716): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  146.827932][ T2505] Preemption disabled at:
| [  146.827932][ T2505] vprintk_emit (kernel/printk/printk.c:2471)
| [  146.827941][ T2505] Tainted: [W]=WARN
[  146.827942][ T2505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  146.827943][ T2505] Call Trace:
[  146.827945][ T2505]  <TASK>
[  146.827946][ T2505]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  146.827953][ T2505]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  146.827954][ T2505]  __might_resched.cold (kernel/sched/core.c:9234)
[  146.827959][ T2505]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  146.827963][ T2505]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  146.827967][ T2505]  __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))
[  146.827969][ T2505]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  146.827976][ T2505]  ? 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)
[  146.827979][ T2505]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  146.827982][ T2505]  put_chars (drivers/char/virtio_console.c:1176)
[  146.827984][ T2505]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  146.827987][ T2505]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  146.827990][ T2505]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  146.827993][ T2505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  146.827996][ T2505]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  146.828000][ T2505]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  146.828004][ T2505]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  146.828006][ T2505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.828008][ T2505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.828012][ T2505]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  146.828014][ T2505]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  146.828017][ T2505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.828020][ T2505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.828024][ T2505]  console_emit_next_record (kernel/printk/printk.c:3183)
[  146.828029][ T2505]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  146.828032][ T2505]  ? 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))
[  146.828037][ T2505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.828040][ T2505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.828044][ T2505]  console_flush_one_record (kernel/printk/printk.c:3268)
[  146.828049][ T2505]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  146.828051][ T2505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.828056][ T2505]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  146.828059][ T2505]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  146.828061][ T2505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.828062][ T2505]  ? 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)
[  146.828066][ T2505]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  146.828068][ T2505]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  146.828070][ T2505]  vprintk_emit (kernel/printk/printk.c:2479)
[  146.828074][ T2505]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  146.828076][ T2505]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  146.828079][ T2505]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  146.828089][ T2505]  _printk (kernel/printk/printk.c:2504)
[  146.828098][ T2505]  ? snapshot_read.cold (user.c:?)
[  146.828102][ T2505]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  146.828106][ T2505]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  146.828110][ T2505]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  146.828113][ T2505]  ? netdev_notice (net/core/dev.c:13194)
[  146.828115][ T2505]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  146.828119][ T2505]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  146.828124][ T2505]  ? 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)
[  146.828127][ T2505]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  146.828130][ T2505]  netif_set_promiscuity (net/core/dev.c:9699)
[  146.828134][ T2505]  dev_set_promiscuity (net/core/dev_api.c:288)
[  146.828136][ T2505]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  146.828139][ T2505] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  146.828147][ T2505] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  146.828151][ T2505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.828154][ T2505]  notifier_call_chain (kernel/notifier.c:85)
[  146.828159][ T2505]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  146.828164][ T2505]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  146.828171][ T2505]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  146.828173][ T2505]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  146.828175][ T2505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.828177][ T2505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.828179][ T2505]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  146.828200][ T2505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  146.828202][ T2505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  146.828205][ T2505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  146.828207][ T2505]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  146.828209][ T2505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.828214][ T2505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  146.828215][ T2505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  146.828217][ T2505]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  146.828219][ T2505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  146.828223][ T2505]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  146.828225][ T2505]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  146.828228][ T2505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  146.828229][ T2505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.828234][ T2505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  146.828236][ T2505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  146.828239][ T2505]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  146.828242][ T2505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  146.828245][ T2505]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  146.828252][ T2505]  ? 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))
[  146.828254][ T2505]  ? 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))
[  146.828258][ T2505]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  146.828262][ T2505]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  146.828264][ T2505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  146.828269][ T2505]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  146.828272][ T2505]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  146.828276][ T2505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  146.828278][ T2505]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  146.828284][ T2505]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  146.828287][ T2505]  ____sys_sendmsg (net/socket.c:2713)
[  146.828290][ T2505]  ? copy_msghdr_from_user (net/socket.c:2650)
[  146.828292][ T2505]  ? sock_write_iter (net/socket.c:1269)
[  146.828293][ T2505]  ? move_addr_to_kernel (net/socket.c:258)
[  146.828301][ T2505]  ___sys_sendmsg (net/socket.c:2767)
[  146.828303][ T2505]  ? copy_msghdr_from_user (net/socket.c:2619)
[  146.828319][ T2505]  __sys_sendmsg (net/socket.c:2799)
[  146.828322][ T2505]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  146.828328][ T2505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.828333][ T2505]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  146.828337][ T2505]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  146.828340][ T2505]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  146.828342][ T2505] RIP: 0033:0x7f4cc274154e
[  146.828346][ T2505] 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
[  146.828348][ T2505] RSP: 002b:00007ffe253cdee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  146.828350][ T2505] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4cc274154e
[  146.828352][ T2505] RDX: 0000000000000000 RSI: 00007ffe253cdf90 RDI: 0000000000000005
[  146.828353][ T2505] RBP: 00007ffe253cdef0 R08: 0000000000000000 R09: 0000000000000000
[  146.828354][ T2505] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91562e
[  146.828354][ T2505] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe253ce650
| [  149.940985][ T2562] softirqs last disabled at (416444): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  149.940988][ T2562] Preemption disabled at:
| [  149.940988][ T2562] vprintk_emit (kernel/printk/printk.c:2471)
| [  149.940997][ T2562] Tainted: [W]=WARN
[  149.940998][ T2562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.941000][ T2562] Call Trace:
[  149.941001][ T2562]  <TASK>
[  149.941003][ T2562]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.941009][ T2562]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  149.941011][ T2562]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.941015][ T2562]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.941019][ T2562]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  149.941023][ T2562]  __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))
[  149.941025][ T2562]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.941032][ T2562]  ? 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)
[  149.941035][ T2562]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.941040][ T2562]  put_chars (drivers/char/virtio_console.c:1176)
[  149.941044][ T2562]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.941048][ T2562]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  149.941052][ T2562]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  149.941056][ T2562]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  149.941062][ T2562]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.941068][ T2562]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  149.941070][ T2562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.941072][ T2562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.941076][ T2562]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.941078][ T2562]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  149.941082][ T2562]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.941086][ T2562]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.941091][ T2562]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.941092][ T2562]  ? 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))
[  149.941096][ T2562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.941098][ T2562]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.941101][ T2562]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.941106][ T2562]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.941114][ T2562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.941119][ T2562]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.941122][ T2562]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.941124][ T2562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.941126][ T2562]  ? 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)
[  149.941130][ T2562]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.941131][ T2562]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.941134][ T2562]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.941138][ T2562]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.941140][ T2562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  149.941142][ T2562]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  149.941146][ T2562]  _printk (kernel/printk/printk.c:2504)
[  149.941150][ T2562]  ? snapshot_read.cold (user.c:?)
[  149.941152][ T2562]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  149.941158][ T2562]  ? idr_get_free (??:?)
[  149.941162][ T2562]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  149.941171][ T2562]  ? nla_get_range_signed (lib/nlattr.c:270)
[  149.941177][ T2562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.941179][ T2562]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  149.941183][ T2562]  __nla_validate_parse (lib/nlattr.c:635)
[  149.941188][ T2562]  __nla_parse (lib/nlattr.c:732)
[  149.941191][ T2562]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  149.941196][ T2562]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  149.941199][ T2562]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  149.941207][ T2562]  ? security_capable (security/security.c:660 (discriminator 11))
[  149.941212][ T2562]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  149.941215][ T2562]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  149.941218][ T2562]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  149.941220][ T2562]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  149.941228][ T2562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.941233][ T2562]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  149.941236][ T2562]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  149.941238][ T2562]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  149.941242][ T2562]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  149.941249][ T2562]  ? 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))
[  149.941251][ T2562]  ? 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))
[  149.941255][ T2562]  genl_rcv (net/netlink/genetlink.c:1218)
[  149.941257][ T2562]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  149.941261][ T2562]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  149.941264][ T2562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.941268][ T2562]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  149.941272][ T2562]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  149.941274][ T2562]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  149.941277][ T2562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  149.941281][ T2562]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  149.941284][ T2562]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  149.941288][ T2562]  __sys_sendto (net/socket.c:2281)
[  149.941291][ T2562]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  149.941302][ T2562]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  149.941308][ T2562]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  149.941310][ T2562]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  149.941314][ T2562]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  149.941315][ T2562]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  149.941318][ T2562]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  149.941320][ T2562]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  149.941322][ T2562]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.941324][ T2562] RIP: 0033:0x7f40d184f312
[  149.941332][ T2562] 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)
[  149.941334][ T2562] RSP: 002b:00007ffce172d3f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  149.941337][ T2562] RAX: ffffffffffffffda RBX: 00007ffce172d528 RCX: 00007f40d184f312
[  149.941338][ T2562] RDX: 0000000000000044 RSI: 00007f40cd426dd0 RDI: 0000000000000020
[  149.941339][ T2562] RBP: 00007ffce172d420 R08: 00007ffce172d5a0 R09: 000000000000000c
[  149.941340][ T2562] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f40cf6b2120
[  149.941341][ T2562] R13: 00007ffce172d528 R14: 00007f40d116e01a R15: 00007ffce172d918
| [  151.575320][ T2613] softirqs last disabled at (390158): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  151.575322][ T2613] Preemption disabled at:
| [  151.575323][ T2613] vprintk_emit (kernel/printk/printk.c:2471)
| [  151.575335][ T2613] Tainted: [W]=WARN
[  151.575336][ T2613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  151.575337][ T2613] Call Trace:
[  151.575339][ T2613]  <TASK>
[  151.575341][ T2613]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  151.575347][ T2613]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  151.575348][ T2613]  __might_resched.cold (kernel/sched/core.c:9234)
[  151.575353][ T2613]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  151.575358][ T2613]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  151.575362][ T2613]  __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))
[  151.575364][ T2613]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.575371][ T2613]  ? 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)
[  151.575373][ T2613]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.575377][ T2613]  put_chars (drivers/char/virtio_console.c:1176)
[  151.575380][ T2613]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  151.575383][ T2613]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  151.575386][ T2613]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  151.575391][ T2613]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  151.575395][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.575397][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.575402][ T2613]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  151.575405][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.575408][ T2613]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.575412][ T2613]  console_emit_next_record (kernel/printk/printk.c:3183)
[  151.575416][ T2613]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  151.575418][ T2613]  ? 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))
[  151.575421][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.575423][ T2613]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.575427][ T2613]  console_flush_one_record (kernel/printk/printk.c:3268)
[  151.575432][ T2613]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  151.575434][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.575439][ T2613]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  151.575442][ T2613]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  151.575444][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.575446][ T2613]  ? 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)
[  151.575450][ T2613]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  151.575452][ T2613]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  151.575454][ T2613]  vprintk_emit (kernel/printk/printk.c:2479)
[  151.575458][ T2613]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  151.575463][ T2613]  _printk (kernel/printk/printk.c:2504)
[  151.575467][ T2613]  ? snapshot_read.cold (user.c:?)
[  151.575469][ T2613]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  151.575473][ T2613]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  151.575477][ T2613]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  151.575479][ T2613]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  151.575482][ T2613]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  151.575486][ T2613]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  151.575489][ T2613]  ? netdev_notice (net/core/dev.c:13194)
[  151.575491][ T2613]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  151.575500][ T2613]  ? 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)
[  151.575503][ T2613]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  151.575506][ T2613]  netif_set_promiscuity (net/core/dev.c:9699)
[  151.575510][ T2613]  dev_set_promiscuity (net/core/dev_api.c:288)
[  151.575512][ T2613]  ? dev_disable_lro (net/core/dev_api.c:267)
[  151.575514][ T2613] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  151.575520][ T2613] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  151.575525][ T2613] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  151.575529][ T2613]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  151.575534][ T2613] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  151.575540][ T2613]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  151.575543][ T2613]  ? __nla_validate_parse (lib/nlattr.c:635)
[  151.575549][ T2613]  ? __nla_parse (lib/nlattr.c:732)
[  151.575552][ T2613]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  151.575557][ T2613]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  151.575560][ T2613]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  151.575569][ T2613]  ? security_capable (security/security.c:660 (discriminator 11))
[  151.575573][ T2613]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  151.575577][ T2613]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  151.575580][ T2613]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  151.575582][ T2613]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  151.575586][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.575592][ T2613]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  151.575596][ T2613]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.575598][ T2613]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  151.575601][ T2613]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  151.575608][ T2613]  ? 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))
[  151.575610][ T2613]  ? 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))
[  151.575614][ T2613]  genl_rcv (net/netlink/genetlink.c:1218)
[  151.575616][ T2613]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.575621][ T2613]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  151.575622][ T2613]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  151.575627][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.575631][ T2613]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.575635][ T2613]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  151.575637][ T2613]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  151.575640][ T2613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  151.575645][ T2613]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  151.575648][ T2613]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  151.575652][ T2613]  __sys_sendto (net/socket.c:2281)
[  151.575655][ T2613]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  151.575660][ T2613]  ? do_futex (kernel/futex/syscalls.c:133)
[  151.575664][ T2613]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  151.575670][ T2613]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  151.575677][ T2613]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  151.575679][ T2613]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  151.575683][ T2613]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  151.575685][ T2613]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  151.575688][ T2613]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.575690][ T2613]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  151.575693][ T2613]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.575695][ T2613] RIP: 0033:0x7f6d200cd312
[  151.575699][ T2613] 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)
[  151.575700][ T2613] RSP: 002b:00007ffd798b6458 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  151.575703][ T2613] RAX: ffffffffffffffda RBX: 00007ffd798b6588 RCX: 00007f6d200cd312
[  151.575704][ T2613] RDX: 0000000000000034 RSI: 00007f6d1c4d6a70 RDI: 0000000000000023
[  151.575705][ T2613] RBP: 00007ffd798b6480 R08: 00007ffd798b6600 R09: 000000000000000c
[  151.575706][ T2613] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d1df26200
[  151.575707][ T2613] R13: 00007ffd798b6588 R14: 00007f6d1f9ec01a R15: 00007ffd798b6978
| [  153.041145][ T2654] softirqs last disabled at (374944): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  153.041147][ T2654] Preemption disabled at:
| [  153.041148][ T2654] vprintk_emit (kernel/printk/printk.c:2471)
| [  153.041156][ T2654] Tainted: [W]=WARN
[  153.041157][ T2654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  153.041159][ T2654] Call Trace:
[  153.041160][ T2654]  <TASK>
[  153.041162][ T2654]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  153.041168][ T2654]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  153.041170][ T2654]  __might_resched.cold (kernel/sched/core.c:9234)
[  153.041175][ T2654]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  153.041179][ T2654]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  153.041184][ T2654]  __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))
[  153.041186][ T2654]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.041192][ T2654]  ? 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)
[  153.041195][ T2654]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.041199][ T2654]  put_chars (drivers/char/virtio_console.c:1176)
[  153.041202][ T2654]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  153.041206][ T2654]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  153.041209][ T2654]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  153.041213][ T2654]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  153.041218][ T2654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.041219][ T2654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.041224][ T2654]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  153.041228][ T2654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.041230][ T2654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.041234][ T2654]  console_emit_next_record (kernel/printk/printk.c:3183)
[  153.041239][ T2654]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  153.041241][ T2654]  ? 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))
[  153.041244][ T2654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.041246][ T2654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.041250][ T2654]  console_flush_one_record (kernel/printk/printk.c:3268)
[  153.041254][ T2654]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  153.041256][ T2654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.041262][ T2654]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  153.041265][ T2654]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  153.041267][ T2654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.041269][ T2654]  ? 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)
[  153.041273][ T2654]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  153.041274][ T2654]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  153.041277][ T2654]  vprintk_emit (kernel/printk/printk.c:2479)
[  153.041280][ T2654]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  153.041286][ T2654]  _printk (kernel/printk/printk.c:2504)
[  153.041290][ T2654]  ? snapshot_read.cold (user.c:?)
[  153.041292][ T2654]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  153.041296][ T2654]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  153.041300][ T2654]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  153.041302][ T2654]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  153.041305][ T2654]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  153.041310][ T2654]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  153.041312][ T2654]  ? netdev_notice (net/core/dev.c:13194)
[  153.041314][ T2654]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  153.041323][ T2654]  ? 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)
[  153.041326][ T2654]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  153.041333][ T2654]  netif_set_promiscuity (net/core/dev.c:9699)
[  153.041337][ T2654]  dev_set_promiscuity (net/core/dev_api.c:288)
[  153.041339][ T2654]  ? dev_disable_lro (net/core/dev_api.c:267)
[  153.041341][ T2654] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  153.041347][ T2654] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  153.041352][ T2654] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  153.041356][ T2654]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  153.041360][ T2654] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  153.041367][ T2654]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  153.041370][ T2654]  ? __nla_validate_parse (lib/nlattr.c:635)
[  153.041376][ T2654]  ? __nla_parse (lib/nlattr.c:732)
[  153.041379][ T2654]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  153.041384][ T2654]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  153.041387][ T2654]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  153.041396][ T2654]  ? security_capable (security/security.c:660 (discriminator 11))
[  153.041401][ T2654]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  153.041405][ T2654]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  153.041407][ T2654]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  153.041409][ T2654]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  153.041414][ T2654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.041419][ T2654]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  153.041423][ T2654]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  153.041425][ T2654]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  153.041428][ T2654]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  153.041436][ T2654]  ? 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))
[  153.041438][ T2654]  ? 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))
[  153.041442][ T2654]  genl_rcv (net/netlink/genetlink.c:1218)
[  153.041444][ T2654]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  153.041448][ T2654]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  153.041452][ T2654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.041455][ T2654]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  153.041460][ T2654]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  153.041461][ T2654]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  153.041465][ T2654]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  153.041470][ T2654]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  153.041473][ T2654]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  153.041477][ T2654]  __sys_sendto (net/socket.c:2281)
[  153.041480][ T2654]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  153.041491][ T2654]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  153.041498][ T2654]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  153.041500][ T2654]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  153.041504][ T2654]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  153.041506][ T2654]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  153.041508][ T2654]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  153.041510][ T2654]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  153.041513][ T2654]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  153.041515][ T2654] RIP: 0033:0x7f724ddd5312
[  153.041519][ T2654] 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)
[  153.041521][ T2654] RSP: 002b:00007fff231e5ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  153.041523][ T2654] RAX: ffffffffffffffda RBX: 00007fff231e5e18 RCX: 00007f724ddd5312
[  153.041525][ T2654] RDX: 0000000000000034 RSI: 00007f72499ea2f0 RDI: 0000000000000023
[  153.041526][ T2654] RBP: 00007fff231e5d10 R08: 00007fff231e5e90 R09: 000000000000000c
[  153.041526][ T2654] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f724bc2e2e0
[  153.041527][ T2654] R13: 00007fff231e5e18 R14: 00007f724d6f401a R15: 00007fff231e6208
| [  167.818164][ T2837] softirqs last disabled at (26758): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  167.818167][ T2837] Preemption disabled at:
| [  167.818167][ T2837] vprintk_emit (kernel/printk/printk.c:2471)
| [  167.818176][ T2837] Tainted: [W]=WARN
[  167.818177][ T2837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  167.818178][ T2837] Call Trace:
[  167.818180][ T2837]  <TASK>
[  167.818182][ T2837]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  167.818188][ T2837]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  167.818189][ T2837]  __might_resched.cold (kernel/sched/core.c:9234)
[  167.818194][ T2837]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  167.818198][ T2837]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  167.818202][ T2837]  __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))
[  167.818210][ T2837]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.818216][ T2837]  ? 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)
[  167.818219][ T2837]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.818223][ T2837]  put_chars (drivers/char/virtio_console.c:1176)
[  167.818224][ T2837]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  167.818227][ T2837]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  167.818230][ T2837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  167.818233][ T2837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  167.818236][ T2837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  167.818240][ T2837]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  167.818244][ T2837]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  167.818246][ T2837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.818248][ T2837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.818252][ T2837]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  167.818254][ T2837]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  167.818258][ T2837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.818260][ T2837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.818264][ T2837]  console_emit_next_record (kernel/printk/printk.c:3183)
[  167.818268][ T2837]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  167.818269][ T2837]  ? 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))
[  167.818273][ T2837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.818274][ T2837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.818278][ T2837]  console_flush_one_record (kernel/printk/printk.c:3268)
[  167.818282][ T2837]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  167.818285][ T2837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.818290][ T2837]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  167.818292][ T2837]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  167.818294][ T2837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.818296][ T2837]  ? 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)
[  167.818300][ T2837]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  167.818302][ T2837]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  167.818304][ T2837]  vprintk_emit (kernel/printk/printk.c:2479)
[  167.818307][ T2837]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  167.818310][ T2837]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  167.818313][ T2837]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  167.818322][ T2837]  _printk (kernel/printk/printk.c:2504)
[  167.818325][ T2837]  ? snapshot_read.cold (user.c:?)
[  167.818333][ T2837]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  167.818337][ T2837]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  167.818341][ T2837]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  167.818343][ T2837]  ? netdev_notice (net/core/dev.c:13194)
[  167.818345][ T2837]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  167.818350][ T2837]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  167.818355][ T2837]  ? 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)
[  167.818357][ T2837]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  167.818361][ T2837]  netif_set_promiscuity (net/core/dev.c:9699)
[  167.818365][ T2837]  dev_set_promiscuity (net/core/dev_api.c:288)
[  167.818367][ T2837]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  167.818370][ T2837] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  167.818377][ T2837] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  167.818382][ T2837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.818384][ T2837]  notifier_call_chain (kernel/notifier.c:85)
[  167.818390][ T2837]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  167.818394][ T2837]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  167.818401][ T2837]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  167.818403][ T2837]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  167.818405][ T2837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.818407][ T2837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.818409][ T2837]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  167.818430][ T2837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  167.818432][ T2837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  167.818435][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  167.818437][ T2837]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  167.818439][ T2837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.818443][ T2837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  167.818445][ T2837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  167.818447][ T2837]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  167.818449][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  167.818453][ T2837]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  167.818455][ T2837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  167.818458][ T2837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  167.818459][ T2837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.818464][ T2837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  167.818466][ T2837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  167.818469][ T2837]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  167.818472][ T2837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  167.818475][ T2837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  167.818481][ T2837]  ? 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))
[  167.818483][ T2837]  ? 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))
[  167.818488][ T2837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  167.818492][ T2837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  167.818494][ T2837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  167.818498][ T2837]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  167.818502][ T2837]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  167.818506][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  167.818508][ T2837]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  167.818513][ T2837]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  167.818517][ T2837]  ____sys_sendmsg (net/socket.c:2713)
[  167.818519][ T2837]  ? copy_msghdr_from_user (net/socket.c:2650)
[  167.818522][ T2837]  ? sock_write_iter (net/socket.c:1269)
[  167.818523][ T2837]  ? move_addr_to_kernel (net/socket.c:258)
[  167.818530][ T2837]  ___sys_sendmsg (net/socket.c:2767)
[  167.818533][ T2837]  ? copy_msghdr_from_user (net/socket.c:2619)
[  167.818549][ T2837]  __sys_sendmsg (net/socket.c:2799)
[  167.818551][ T2837]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  167.818558][ T2837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.818561][ T2837]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  167.818564][ T2837]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  167.818567][ T2837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  167.818570][ T2837] RIP: 0033:0x7f7fac3ef54e
[  167.818573][ T2837] 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
[  167.818575][ T2837] RSP: 002b:00007ffe2c65f600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  167.818578][ T2837] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7fac3ef54e
[  167.818579][ T2837] RDX: 0000000000000000 RSI: 00007ffe2c65f6b0 RDI: 0000000000000005
[  167.818580][ T2837] RBP: 00007ffe2c65f610 R08: 0000000000000000 R09: 0000000000000000
[  167.818581][ T2837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915643
[  167.818582][ T2837] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2c65fd70
| [  170.965622][ T2894] softirqs last disabled at (379724): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  170.965625][ T2894] Preemption disabled at:
| [  170.965625][ T2894] vprintk_emit (kernel/printk/printk.c:2471)
| [  170.965634][ T2894] Tainted: [W]=WARN
[  170.965636][ T2894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  170.965637][ T2894] Call Trace:
[  170.965638][ T2894]  <TASK>
[  170.965640][ T2894]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  170.965646][ T2894]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  170.965648][ T2894]  __might_resched.cold (kernel/sched/core.c:9234)
[  170.965652][ T2894]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  170.965657][ T2894]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  170.965661][ T2894]  __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))
[  170.965663][ T2894]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.965670][ T2894]  ? 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)
[  170.965673][ T2894]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.965676][ T2894]  put_chars (drivers/char/virtio_console.c:1176)
[  170.965679][ T2894]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  170.965681][ T2894]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  170.965685][ T2894]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  170.965688][ T2894]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  170.965692][ T2894]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  170.965696][ T2894]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  170.965698][ T2894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.965700][ T2894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.965704][ T2894]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  170.965706][ T2894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  170.965710][ T2894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.965714][ T2894]  console_emit_next_record (kernel/printk/printk.c:3183)
[  170.965718][ T2894]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  170.965720][ T2894]  ? 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))
[  170.965724][ T2894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.965726][ T2894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.965730][ T2894]  console_flush_one_record (kernel/printk/printk.c:3268)
[  170.965734][ T2894]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  170.965736][ T2894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.965741][ T2894]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  170.965744][ T2894]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  170.965746][ T2894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.965748][ T2894]  ? 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)
[  170.965751][ T2894]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  170.965753][ T2894]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  170.965756][ T2894]  vprintk_emit (kernel/printk/printk.c:2479)
[  170.965759][ T2894]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  170.965761][ T2894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.965763][ T2894]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  170.965768][ T2894]  _printk (kernel/printk/printk.c:2504)
[  170.965771][ T2894]  ? snapshot_read.cold (user.c:?)
[  170.965773][ T2894]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  170.965779][ T2894]  ? idr_get_free (??:?)
[  170.965784][ T2894]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  170.965792][ T2894]  ? nla_get_range_signed (lib/nlattr.c:270)
[  170.965798][ T2894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.965800][ T2894]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  170.965804][ T2894]  __nla_validate_parse (lib/nlattr.c:635)
[  170.965809][ T2894]  __nla_parse (lib/nlattr.c:732)
[  170.965812][ T2894]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  170.965817][ T2894]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  170.965820][ T2894]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  170.965828][ T2894]  ? security_capable (security/security.c:660 (discriminator 11))
[  170.965833][ T2894]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  170.965836][ T2894]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  170.965839][ T2894]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  170.965841][ T2894]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  170.965849][ T2894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.965855][ T2894]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  170.965858][ T2894]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  170.965860][ T2894]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  170.965863][ T2894]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  170.965870][ T2894]  ? 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))
[  170.965872][ T2894]  ? 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))
[  170.965876][ T2894]  genl_rcv (net/netlink/genetlink.c:1218)
[  170.965879][ T2894]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  170.965883][ T2894]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  170.965886][ T2894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.965890][ T2894]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  170.965894][ T2894]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  170.965896][ T2894]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  170.965899][ T2894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.965904][ T2894]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  170.965906][ T2894]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  170.965910][ T2894]  __sys_sendto (net/socket.c:2281)
[  170.965913][ T2894]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  170.965924][ T2894]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  170.965929][ T2894]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  170.965932][ T2894]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  170.965936][ T2894]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  170.965937][ T2894]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  170.965940][ T2894]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  170.965942][ T2894]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  170.965944][ T2894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.965946][ T2894] RIP: 0033:0x7fbfa949a312
[  170.965950][ T2894] 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)
[  170.965952][ T2894] RSP: 002b:00007ffdd0fd9028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  170.965955][ T2894] RAX: ffffffffffffffda RBX: 00007ffdd0fd9158 RCX: 00007fbfa949a312
[  170.965956][ T2894] RDX: 0000000000000044 RSI: 00007fbfa720aa60 RDI: 0000000000000020
[  170.965957][ T2894] RBP: 00007ffdd0fd9050 R08: 00007ffdd0fd91d0 R09: 000000000000000c
[  170.965958][ T2894] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbfa72fa120
[  170.965959][ T2894] R13: 00007ffdd0fd9158 R14: 00007fbfa8db901a R15: 00007ffdd0fd9548
| [  172.534593][ T2942] softirqs last disabled at (399824): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  172.534596][ T2942] Preemption disabled at:
| [  172.534597][ T2942] vprintk_emit (kernel/printk/printk.c:2471)
| [  172.534609][ T2942] Tainted: [W]=WARN
[  172.534611][ T2942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  172.534613][ T2942] Call Trace:
[  172.534616][ T2942]  <TASK>
[  172.534618][ T2942]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  172.534626][ T2942]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  172.534629][ T2942]  __might_resched.cold (kernel/sched/core.c:9234)
[  172.534635][ T2942]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  172.534642][ T2942]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  172.534649][ T2942]  __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))
[  172.534653][ T2942]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.534663][ T2942]  ? 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)
[  172.534667][ T2942]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.534673][ T2942]  put_chars (drivers/char/virtio_console.c:1176)
[  172.534678][ T2942]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  172.534684][ T2942]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  172.534688][ T2942]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  172.534696][ T2942]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  172.534702][ T2942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.534704][ T2942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.534713][ T2942]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  172.534720][ T2942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.534723][ T2942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.534731][ T2942]  console_emit_next_record (kernel/printk/printk.c:3183)
[  172.534738][ T2942]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  172.534741][ T2942]  ? 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))
[  172.534747][ T2942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.534750][ T2942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.534758][ T2942]  console_flush_one_record (kernel/printk/printk.c:3268)
[  172.534766][ T2942]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  172.534769][ T2942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.534780][ T2942]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  172.534785][ T2942]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  172.534788][ T2942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.534791][ T2942]  ? 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)
[  172.534798][ T2942]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  172.534801][ T2942]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  172.534807][ T2942]  vprintk_emit (kernel/printk/printk.c:2479)
[  172.534814][ T2942]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  172.534825][ T2942]  _printk (kernel/printk/printk.c:2504)
[  172.534830][ T2942]  ? snapshot_read.cold (user.c:?)
[  172.534835][ T2942]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  172.534839][ T2942]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  172.534845][ T2942]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  172.534848][ T2942]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  172.534853][ T2942]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  172.534860][ T2942]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  172.534865][ T2942]  ? netdev_notice (net/core/dev.c:13194)
[  172.534868][ T2942]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  172.534885][ T2942]  ? 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)
[  172.534889][ T2942]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  172.534896][ T2942]  netif_set_promiscuity (net/core/dev.c:9699)
[  172.534902][ T2942]  dev_set_promiscuity (net/core/dev_api.c:288)
[  172.534905][ T2942]  ? dev_disable_lro (net/core/dev_api.c:267)
[  172.534909][ T2942] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  172.534919][ T2942] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  172.534929][ T2942] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  172.534936][ T2942]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  172.534944][ T2942] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  172.534955][ T2942]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  172.534962][ T2942]  ? __nla_validate_parse (lib/nlattr.c:635)
[  172.534972][ T2942]  ? __nla_parse (lib/nlattr.c:732)
[  172.534976][ T2942]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  172.534985][ T2942]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  172.534991][ T2942]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  172.535007][ T2942]  ? security_capable (security/security.c:660 (discriminator 11))
[  172.535015][ T2942]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  172.535021][ T2942]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  172.535026][ T2942]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  172.535029][ T2942]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  172.535037][ T2942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.535047][ T2942]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  172.535053][ T2942]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  172.535056][ T2942]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  172.535063][ T2942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  172.535077][ T2942]  ? 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))
[  172.535080][ T2942]  ? 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))
[  172.535089][ T2942]  genl_rcv (net/netlink/genetlink.c:1218)
[  172.535093][ T2942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  172.535100][ T2942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  172.535107][ T2942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.535114][ T2942]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  172.535122][ T2942]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  172.535124][ T2942]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  172.535130][ T2942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  172.535140][ T2942]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  172.535143][ T2942]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  172.535149][ T2942]  __sys_sendto (net/socket.c:2281)
[  172.535154][ T2942]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  172.535176][ T2942]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  172.535187][ T2942]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  172.535191][ T2942]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  172.535196][ T2942]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  172.535199][ T2942]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  172.535202][ T2942]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  172.535205][ T2942]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  172.535210][ T2942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.535213][ T2942] RIP: 0033:0x7f807bc1a312
[  172.535218][ T2942] 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)
[  172.535221][ T2942] RSP: 002b:00007fffa599c088 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  172.535225][ T2942] RAX: ffffffffffffffda RBX: 00007fffa599c1b8 RCX: 00007f807bc1a312
[  172.535226][ T2942] RDX: 0000000000000030 RSI: 00007f806b7c0cf0 RDI: 0000000000000023
[  172.535228][ T2942] RBP: 00007fffa599c0b0 R08: 00007fffa599c230 R09: 000000000000000c
[  172.535236][ T2942] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8079a7a200
[  172.535238][ T2942] R13: 00007fffa599c1b8 R14: 00007f807b53901a R15: 00007fffa599c5a8
| [  173.902930][ T2980] softirqs last disabled at (389260): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  173.902933][ T2980] Preemption disabled at:
| [  173.902933][ T2980] vprintk_emit (kernel/printk/printk.c:2471)
| [  173.902942][ T2980] Tainted: [W]=WARN
[  173.902943][ T2980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  173.902945][ T2980] Call Trace:
[  173.902947][ T2980]  <TASK>
[  173.902949][ T2980]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  173.902955][ T2980]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  173.902957][ T2980]  __might_resched.cold (kernel/sched/core.c:9234)
[  173.902962][ T2980]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  173.902966][ T2980]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  173.902971][ T2980]  __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))
[  173.902973][ T2980]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.902980][ T2980]  ? 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)
[  173.902983][ T2980]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.902987][ T2980]  put_chars (drivers/char/virtio_console.c:1176)
[  173.902990][ T2980]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  173.902993][ T2980]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  173.902997][ T2980]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  173.903001][ T2980]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  173.903006][ T2980]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.903008][ T2980]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.903013][ T2980]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  173.903017][ T2980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.903019][ T2980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.903024][ T2980]  console_emit_next_record (kernel/printk/printk.c:3183)
[  173.903029][ T2980]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  173.903031][ T2980]  ? 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))
[  173.903037][ T2980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.903040][ T2980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.903047][ T2980]  console_flush_one_record (kernel/printk/printk.c:3268)
[  173.903052][ T2980]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  173.903054][ T2980]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.903060][ T2980]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  173.903063][ T2980]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  173.903066][ T2980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.903067][ T2980]  ? 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)
[  173.903072][ T2980]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  173.903074][ T2980]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  173.903077][ T2980]  vprintk_emit (kernel/printk/printk.c:2479)
[  173.903080][ T2980]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  173.903087][ T2980]  _printk (kernel/printk/printk.c:2504)
[  173.903091][ T2980]  ? snapshot_read.cold (user.c:?)
[  173.903094][ T2980]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  173.903097][ T2980]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  173.903102][ T2980]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  173.903104][ T2980]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  173.903108][ T2980]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  173.903112][ T2980]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  173.903115][ T2980]  ? netdev_notice (net/core/dev.c:13194)
[  173.903117][ T2980]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  173.903127][ T2980]  ? 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)
[  173.903130][ T2980]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  173.903133][ T2980]  netif_set_promiscuity (net/core/dev.c:9699)
[  173.903137][ T2980]  dev_set_promiscuity (net/core/dev_api.c:288)
[  173.903139][ T2980]  ? dev_disable_lro (net/core/dev_api.c:267)
[  173.903142][ T2980] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  173.903148][ T2980] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  173.903153][ T2980] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  173.903157][ T2980]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  173.903162][ T2980] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  173.903169][ T2980]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  173.903172][ T2980]  ? __nla_validate_parse (lib/nlattr.c:635)
[  173.903179][ T2980]  ? __nla_parse (lib/nlattr.c:732)
[  173.903181][ T2980]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  173.903187][ T2980]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  173.903190][ T2980]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  173.903199][ T2980]  ? security_capable (security/security.c:660 (discriminator 11))
[  173.903204][ T2980]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  173.903208][ T2980]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  173.903211][ T2980]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  173.903213][ T2980]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  173.903218][ T2980]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.903224][ T2980]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  173.903228][ T2980]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  173.903230][ T2980]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  173.903234][ T2980]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  173.903247][ T2980]  ? 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))
[  173.903249][ T2980]  ? 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))
[  173.903253][ T2980]  genl_rcv (net/netlink/genetlink.c:1218)
[  173.903256][ T2980]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.903260][ T2980]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  173.903262][ T2980]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  173.903268][ T2980]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.903271][ T2980]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  173.903276][ T2980]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  173.903278][ T2980]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  173.903281][ T2980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  173.903286][ T2980]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  173.903289][ T2980]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  173.903294][ T2980]  __sys_sendto (net/socket.c:2281)
[  173.903297][ T2980]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  173.903309][ T2980]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  173.903315][ T2980]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  173.903318][ T2980]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  173.903322][ T2980]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  173.903323][ T2980]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  173.903326][ T2980]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.903331][ T2980]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  173.903334][ T2980]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.903337][ T2980] RIP: 0033:0x7f7977f30312
[  173.903341][ T2980] 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)
[  173.903343][ T2980] RSP: 002b:00007ffd0b5dda98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  173.903346][ T2980] RAX: ffffffffffffffda RBX: 00007ffd0b5ddbc8 RCX: 00007f7977f30312
[  173.903347][ T2980] RDX: 0000000000000030 RSI: 00007f7974355eb0 RDI: 0000000000000023
[  173.903348][ T2980] RBP: 00007ffd0b5ddac0 R08: 00007ffd0b5ddc40 R09: 000000000000000c
[  173.903349][ T2980] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7975d9a2e0
[  173.903350][ T2980] R13: 00007ffd0b5ddbc8 R14: 00007f797784f01a R15: 00007ffd0b5ddfb8
| [  181.383271][ T3103] softirqs last disabled at (20077): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  181.383273][ T3103] Preemption disabled at:
| [  181.383274][ T3103] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.383289][ T3103] Tainted: [W]=WARN
[  181.383290][ T3103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.383291][ T3103] Call Trace:
[  181.383293][ T3103]  <TASK>
[  181.383294][ T3103]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.383301][ T3103]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.383302][ T3103]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.383307][ T3103]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.383311][ T3103]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  181.383315][ T3103]  __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))
[  181.383317][ T3103]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.383323][ T3103]  ? 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)
[  181.383326][ T3103]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.383332][ T3103]  put_chars (drivers/char/virtio_console.c:1176)
[  181.383334][ T3103]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  181.383337][ T3103]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.383340][ T3103]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  181.383343][ T3103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  181.383346][ T3103]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  181.383350][ T3103]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.383355][ T3103]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  181.383357][ T3103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.383358][ T3103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.383362][ T3103]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.383365][ T3103]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  181.383368][ T3103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.383370][ T3103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.383374][ T3103]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.383378][ T3103]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.383380][ T3103]  ? 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))
[  181.383384][ T3103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.383385][ T3103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.383389][ T3103]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.383394][ T3103]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.383396][ T3103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.383401][ T3103]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.383404][ T3103]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.383406][ T3103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.383408][ T3103]  ? 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)
[  181.383411][ T3103]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.383413][ T3103]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.383416][ T3103]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.383419][ T3103]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.383422][ T3103]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  181.383425][ T3103]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  181.383434][ T3103]  _printk (kernel/printk/printk.c:2504)
[  181.383437][ T3103]  ? snapshot_read.cold (user.c:?)
[  181.383442][ T3103]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.383445][ T3103]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.383449][ T3103]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.383452][ T3103]  ? netdev_notice (net/core/dev.c:13194)
[  181.383454][ T3103]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  181.383458][ T3103]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  181.383463][ T3103]  ? 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)
[  181.383466][ T3103]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  181.383469][ T3103]  netif_set_promiscuity (net/core/dev.c:9699)
[  181.383473][ T3103]  dev_set_promiscuity (net/core/dev_api.c:288)
[  181.383475][ T3103]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  181.383479][ T3103] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  181.383485][ T3103] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  181.383490][ T3103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.383492][ T3103]  notifier_call_chain (kernel/notifier.c:85)
[  181.383498][ T3103]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  181.383503][ T3103]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  181.383510][ T3103]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  181.383512][ T3103]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  181.383514][ T3103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.383516][ T3103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.383518][ T3103]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  181.383539][ T3103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.383541][ T3103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.383544][ T3103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.383546][ T3103]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  181.383548][ T3103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.383553][ T3103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.383555][ T3103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.383557][ T3103]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  181.383559][ T3103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.383563][ T3103]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  181.383565][ T3103]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.383568][ T3103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.383569][ T3103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.383574][ T3103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.383576][ T3103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.383579][ T3103]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.383582][ T3103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.383585][ T3103]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.383592][ T3103]  ? 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))
[  181.383594][ T3103]  ? 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))
[  181.383598][ T3103]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.383602][ T3103]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.383605][ T3103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.383609][ T3103]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.383613][ T3103]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.383617][ T3103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.383619][ T3103]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  181.383624][ T3103]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.383628][ T3103]  ____sys_sendmsg (net/socket.c:2713)
[  181.383630][ T3103]  ? copy_msghdr_from_user (net/socket.c:2650)
[  181.383632][ T3103]  ? sock_write_iter (net/socket.c:1269)
[  181.383634][ T3103]  ? move_addr_to_kernel (net/socket.c:258)
[  181.383641][ T3103]  ___sys_sendmsg (net/socket.c:2767)
[  181.383644][ T3103]  ? copy_msghdr_from_user (net/socket.c:2619)
[  181.383660][ T3103]  __sys_sendmsg (net/socket.c:2799)
[  181.383663][ T3103]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  181.383669][ T3103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.383672][ T3103]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.383676][ T3103]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.383679][ T3103]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.383681][ T3103] RIP: 0033:0x7fb11c8f554e
[  181.383685][ T3103] 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
[  181.383687][ T3103] RSP: 002b:00007ffc968870f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  181.383690][ T3103] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb11c8f554e
[  181.383691][ T3103] RDX: 0000000000000000 RSI: 00007ffc968871a0 RDI: 0000000000000005
[  181.383692][ T3103] RBP: 00007ffc96887100 R08: 0000000000000000 R09: 0000000000000000
[  181.383693][ T3103] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915650
[  181.383694][ T3103] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc96887860
| [  182.440407][ T3117] softirqs last disabled at (382406): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  182.440411][ T3117] Preemption disabled at:
| [  182.440412][ T3117] vprintk_emit (kernel/printk/printk.c:2471)
| [  182.440423][ T3117] Tainted: [W]=WARN
[  182.440425][ T3117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  182.440427][ T3117] Call Trace:
[  182.440429][ T3117]  <TASK>
[  182.440431][ T3117]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  182.440439][ T3117]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  182.440441][ T3117]  __might_resched.cold (kernel/sched/core.c:9234)
[  182.440447][ T3117]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  182.440453][ T3117]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  182.440459][ T3117]  __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))
[  182.440462][ T3117]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  182.440473][ T3117]  ? 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)
[  182.440477][ T3117]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  182.440483][ T3117]  put_chars (drivers/char/virtio_console.c:1176)
[  182.440487][ T3117]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  182.440489][ T3117]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  182.440495][ T3117]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  182.440506][ T3117]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  182.440517][ T3117]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  182.440522][ T3117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.440525][ T3117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.440533][ T3117]  console_emit_next_record (kernel/printk/printk.c:3183)
[  182.440540][ T3117]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  182.440543][ T3117]  ? 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))
[  182.440548][ T3117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.440552][ T3117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.440559][ T3117]  console_flush_one_record (kernel/printk/printk.c:3268)
[  182.440567][ T3117]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  182.440570][ T3117]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.440580][ T3117]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  182.440585][ T3117]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  182.440588][ T3117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.440591][ T3117]  ? 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)
[  182.440598][ T3117]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  182.440601][ T3117]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  182.440606][ T3117]  vprintk_emit (kernel/printk/printk.c:2479)
[  182.440612][ T3117]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  182.440616][ T3117]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  182.440619][ T3117]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  182.440628][ T3117]  _printk (kernel/printk/printk.c:2504)
[  182.440633][ T3117]  ? snapshot_read.cold (user.c:?)
[  182.440641][ T3117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.440643][ T3117]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  182.440648][ T3117]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  182.440655][ T3117]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  182.440659][ T3117]  ? netdev_notice (net/core/dev.c:13194)
[  182.440662][ T3117]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  182.440673][ T3117]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  182.440683][ T3117]  ? 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)
[  182.440687][ T3117]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  182.440693][ T3117]  netif_set_promiscuity (net/core/dev.c:9699)
[  182.440700][ T3117]  dev_set_promiscuity (net/core/dev_api.c:288)
[  182.440705][ T3117] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  182.440714][ T3117] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  182.440725][ T3117] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  182.440734][ T3117]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  182.440740][ T3117]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  182.440755][ T3117]  ? security_capable (security/security.c:660 (discriminator 11))
[  182.440761][ T3117]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  182.440767][ T3117]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  182.440771][ T3117]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  182.440774][ T3117]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  182.440782][ T3117]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.440791][ T3117]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  182.440797][ T3117]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  182.440800][ T3117]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  182.440806][ T3117]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  182.440819][ T3117]  ? 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))
[  182.440822][ T3117]  ? 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))
[  182.440829][ T3117]  genl_rcv (net/netlink/genetlink.c:1218)
[  182.440833][ T3117]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  182.440840][ T3117]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  182.440847][ T3117]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.440853][ T3117]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  182.440861][ T3117]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  182.440863][ T3117]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  182.440868][ T3117]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  182.440877][ T3117]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  182.440881][ T3117]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  182.440886][ T3117]  __sys_sendto (net/socket.c:2281)
[  182.440891][ T3117]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  182.440900][ T3117]  ? do_futex (kernel/futex/syscalls.c:133)
[  182.440905][ T3117]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  182.440915][ T3117]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  182.440926][ T3117]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  182.440929][ T3117]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  182.440934][ T3117]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  182.440937][ T3117]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  182.440940][ T3117]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  182.440943][ T3117]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  182.440947][ T3117]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  182.440951][ T3117] RIP: 0033:0x7f9810490312
[  182.440955][ T3117] 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)
[  182.440958][ T3117] RSP: 002b:00007fffd3f05568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  182.440962][ T3117] RAX: ffffffffffffffda RBX: 00007fffd3f05698 RCX: 00007f9810490312
[  182.440964][ T3117] RDX: 0000000000000024 RSI: 00007f97fff5d2f0 RDI: 0000000000000020
[  182.440965][ T3117] RBP: 00007fffd3f05590 R08: 00007fffd3f05710 R09: 000000000000000c
[  182.440967][ T3117] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f980e2f9fd0
[  182.440969][ T3117] R13: 00007fffd3f05698 R14: 00007f980fdaf01a R15: 00007fffd3f05a88
| [  184.772902][ T3160] softirqs last disabled at (371159): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  184.772905][ T3160] Preemption disabled at:
| [  184.772905][ T3160] vprintk_emit (kernel/printk/printk.c:2471)
| [  184.772915][ T3160] Tainted: [W]=WARN
[  184.772916][ T3160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  184.772917][ T3160] Call Trace:
[  184.772919][ T3160]  <TASK>
[  184.772920][ T3160]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  184.772926][ T3160]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  184.772928][ T3160]  __might_resched.cold (kernel/sched/core.c:9234)
[  184.772933][ T3160]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  184.772937][ T3160]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  184.772941][ T3160]  __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))
[  184.772943][ T3160]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.772950][ T3160]  ? 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)
[  184.772952][ T3160]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.772956][ T3160]  put_chars (drivers/char/virtio_console.c:1176)
[  184.772959][ T3160]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  184.772961][ T3160]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  184.772964][ T3160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  184.772967][ T3160]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  184.772971][ T3160]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  184.772976][ T3160]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  184.772978][ T3160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.772979][ T3160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.772984][ T3160]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  184.772986][ T3160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  184.772990][ T3160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.772994][ T3160]  console_emit_next_record (kernel/printk/printk.c:3183)
[  184.772998][ T3160]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  184.773000][ T3160]  ? 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))
[  184.773003][ T3160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.773005][ T3160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.773009][ T3160]  console_flush_one_record (kernel/printk/printk.c:3268)
[  184.773014][ T3160]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  184.773015][ T3160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.773021][ T3160]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  184.773024][ T3160]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  184.773026][ T3160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.773028][ T3160]  ? 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)
[  184.773031][ T3160]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  184.773033][ T3160]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  184.773036][ T3160]  vprintk_emit (kernel/printk/printk.c:2479)
[  184.773041][ T3160]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  184.773045][ T3160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  184.773047][ T3160]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  184.773053][ T3160]  _printk (kernel/printk/printk.c:2504)
[  184.773056][ T3160]  ? snapshot_read.cold (user.c:?)
[  184.773058][ T3160]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  184.773064][ T3160]  ? idr_get_free (??:?)
[  184.773069][ T3160]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  184.773079][ T3160]  ? nla_get_range_signed (lib/nlattr.c:270)
[  184.773085][ T3160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.773087][ T3160]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  184.773092][ T3160]  __nla_validate_parse (lib/nlattr.c:635)
[  184.773098][ T3160]  __nla_parse (lib/nlattr.c:732)
[  184.773101][ T3160]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  184.773106][ T3160]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  184.773111][ T3160]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  184.773120][ T3160]  ? security_capable (security/security.c:660 (discriminator 11))
[  184.773125][ T3160]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  184.773129][ T3160]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  184.773132][ T3160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  184.773134][ T3160]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  184.773143][ T3160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.773149][ T3160]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  184.773153][ T3160]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  184.773156][ T3160]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  184.773160][ T3160]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  184.773168][ T3160]  ? 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))
[  184.773170][ T3160]  ? 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))
[  184.773175][ T3160]  genl_rcv (net/netlink/genetlink.c:1218)
[  184.773177][ T3160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  184.773182][ T3160]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  184.773186][ T3160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.773190][ T3160]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  184.773194][ T3160]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  184.773196][ T3160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  184.773199][ T3160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  184.773205][ T3160]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  184.773208][ T3160]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  184.773212][ T3160]  __sys_sendto (net/socket.c:2281)
[  184.773216][ T3160]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  184.773227][ T3160]  ? fput_close_sync (fs/file_table.c:617)
[  184.773231][ T3160]  ? alloc_file_clone (fs/file_table.c:479)
[  184.773235][ T3160]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  184.773237][ T3160]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  184.773241][ T3160]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  184.773244][ T3160]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  184.773246][ T3160]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  184.773248][ T3160]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  184.773251][ T3160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  184.773253][ T3160] RIP: 0033:0x7f501a6a4312
[  184.773257][ T3160] 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)
[  184.773259][ T3160] RSP: 002b:00007ffc918ee968 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  184.773262][ T3160] RAX: ffffffffffffffda RBX: 00007ffc918eea98 RCX: 00007f501a6a4312
[  184.773263][ T3160] RDX: 0000000000000044 RSI: 00007f501627edd0 RDI: 0000000000000020
[  184.773264][ T3160] RBP: 00007ffc918ee990 R08: 00007ffc918eeb10 R09: 000000000000000c
[  184.773265][ T3160] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f501850e120
[  184.773266][ T3160] R13: 00007ffc918eea98 R14: 00007f5019fc301a R15: 00007ffc918eee88
| [  186.218242][ T3208] softirqs last disabled at (374130): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  186.218244][ T3208] Preemption disabled at:
| [  186.218245][ T3208] vprintk_emit (kernel/printk/printk.c:2471)
| [  186.218254][ T3208] Tainted: [W]=WARN
[  186.218255][ T3208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  186.218257][ T3208] Call Trace:
[  186.218259][ T3208]  <TASK>
[  186.218260][ T3208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  186.218267][ T3208]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  186.218268][ T3208]  __might_resched.cold (kernel/sched/core.c:9234)
[  186.218273][ T3208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  186.218278][ T3208]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  186.218284][ T3208]  __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))
[  186.218286][ T3208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.218293][ T3208]  ? 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)
[  186.218296][ T3208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.218300][ T3208]  put_chars (drivers/char/virtio_console.c:1176)
[  186.218303][ T3208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  186.218313][ T3208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  186.218317][ T3208]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  186.218322][ T3208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  186.218326][ T3208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.218332][ T3208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.218338][ T3208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  186.218343][ T3208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.218347][ T3208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.218353][ T3208]  console_emit_next_record (kernel/printk/printk.c:3183)
[  186.218358][ T3208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  186.218360][ T3208]  ? 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))
[  186.218364][ T3208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.218366][ T3208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.218371][ T3208]  console_flush_one_record (kernel/printk/printk.c:3268)
[  186.218376][ T3208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  186.218378][ T3208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.218385][ T3208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  186.218388][ T3208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  186.218390][ T3208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.218392][ T3208]  ? 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)
[  186.218397][ T3208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  186.218399][ T3208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  186.218402][ T3208]  vprintk_emit (kernel/printk/printk.c:2479)
[  186.218407][ T3208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  186.218413][ T3208]  _printk (kernel/printk/printk.c:2504)
[  186.218418][ T3208]  ? snapshot_read.cold (user.c:?)
[  186.218421][ T3208]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  186.218425][ T3208]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  186.218430][ T3208]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  186.218432][ T3208]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  186.218436][ T3208]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  186.218441][ T3208]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  186.218444][ T3208]  ? netdev_notice (net/core/dev.c:13194)
[  186.218446][ T3208]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  186.218458][ T3208]  ? 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)
[  186.218461][ T3208]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  186.218466][ T3208]  netif_set_promiscuity (net/core/dev.c:9699)
[  186.218470][ T3208]  dev_set_promiscuity (net/core/dev_api.c:288)
[  186.218472][ T3208]  ? dev_disable_lro (net/core/dev_api.c:267)
[  186.218475][ T3208] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  186.218481][ T3208] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  186.218487][ T3208] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  186.218491][ T3208]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  186.218496][ T3208] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  186.218503][ T3208]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  186.218507][ T3208]  ? __nla_validate_parse (lib/nlattr.c:635)
[  186.218513][ T3208]  ? __nla_parse (lib/nlattr.c:732)
[  186.218516][ T3208]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  186.218521][ T3208]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  186.218525][ T3208]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  186.218534][ T3208]  ? security_capable (security/security.c:660 (discriminator 11))
[  186.218539][ T3208]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  186.218543][ T3208]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  186.218546][ T3208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  186.218548][ T3208]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  186.218553][ T3208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.218560][ T3208]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  186.218564][ T3208]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  186.218566][ T3208]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  186.218571][ T3208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  186.218581][ T3208]  ? 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))
[  186.218583][ T3208]  ? 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))
[  186.218588][ T3208]  genl_rcv (net/netlink/genetlink.c:1218)
[  186.218591][ T3208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  186.218596][ T3208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  186.218598][ T3208]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  186.218604][ T3208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.218608][ T3208]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  186.218612][ T3208]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  186.218614][ T3208]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  186.218617][ T3208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  186.218623][ T3208]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  186.218626][ T3208]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  186.218630][ T3208]  __sys_sendto (net/socket.c:2281)
[  186.218633][ T3208]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  186.218646][ T3208]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  186.218652][ T3208]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  186.218655][ T3208]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  186.218659][ T3208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  186.218660][ T3208]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  186.218663][ T3208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  186.218665][ T3208]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  186.218668][ T3208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  186.218670][ T3208] RIP: 0033:0x7f9852d0b312
[  186.218674][ T3208] 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)
[  186.218676][ T3208] RSP: 002b:00007ffebf4575b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  186.218679][ T3208] RAX: ffffffffffffffda RBX: 00007ffebf4576e8 RCX: 00007f9852d0b312
[  186.218680][ T3208] RDX: 0000000000000030 RSI: 00007f9850124d30 RDI: 0000000000000023
[  186.218681][ T3208] RBP: 00007ffebf4575e0 R08: 00007ffebf457760 R09: 000000000000000c
[  186.218682][ T3208] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9850b6e200
[  186.218683][ T3208] R13: 00007ffebf4576e8 R14: 00007f985262a01a R15: 00007ffebf457ad8
| [  187.626227][ T3246] softirqs last disabled at (393808): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  187.626229][ T3246] Preemption disabled at:
| [  187.626229][ T3246] vprintk_emit (kernel/printk/printk.c:2471)
| [  187.626238][ T3246] Tainted: [W]=WARN
[  187.626239][ T3246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  187.626240][ T3246] Call Trace:
[  187.626242][ T3246]  <TASK>
[  187.626244][ T3246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  187.626249][ T3246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  187.626251][ T3246]  __might_resched.cold (kernel/sched/core.c:9234)
[  187.626256][ T3246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  187.626260][ T3246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  187.626265][ T3246]  __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))
[  187.626267][ T3246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  187.626274][ T3246]  ? 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)
[  187.626277][ T3246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  187.626281][ T3246]  put_chars (drivers/char/virtio_console.c:1176)
[  187.626283][ T3246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  187.626287][ T3246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  187.626290][ T3246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  187.626295][ T3246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  187.626299][ T3246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  187.626301][ T3246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  187.626306][ T3246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  187.626310][ T3246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.626319][ T3246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.626323][ T3246]  console_emit_next_record (kernel/printk/printk.c:3183)
[  187.626328][ T3246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  187.626332][ T3246]  ? 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))
[  187.626336][ T3246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.626338][ T3246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.626342][ T3246]  console_flush_one_record (kernel/printk/printk.c:3268)
[  187.626346][ T3246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  187.626348][ T3246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  187.626354][ T3246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  187.626357][ T3246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  187.626359][ T3246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.626361][ T3246]  ? 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)
[  187.626365][ T3246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  187.626367][ T3246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  187.626370][ T3246]  vprintk_emit (kernel/printk/printk.c:2479)
[  187.626373][ T3246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  187.626379][ T3246]  _printk (kernel/printk/printk.c:2504)
[  187.626383][ T3246]  ? snapshot_read.cold (user.c:?)
[  187.626386][ T3246]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  187.626390][ T3246]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  187.626394][ T3246]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  187.626396][ T3246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  187.626400][ T3246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  187.626404][ T3246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  187.626407][ T3246]  ? netdev_notice (net/core/dev.c:13194)
[  187.626409][ T3246]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  187.626419][ T3246]  ? 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)
[  187.626421][ T3246]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  187.626425][ T3246]  netif_set_promiscuity (net/core/dev.c:9699)
[  187.626429][ T3246]  dev_set_promiscuity (net/core/dev_api.c:288)
[  187.626431][ T3246]  ? dev_disable_lro (net/core/dev_api.c:267)
[  187.626434][ T3246] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  187.626439][ T3246] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  187.626444][ T3246] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  187.626449][ T3246]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  187.626454][ T3246] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  187.626460][ T3246]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  187.626463][ T3246]  ? __nla_validate_parse (lib/nlattr.c:635)
[  187.626470][ T3246]  ? __nla_parse (lib/nlattr.c:732)
[  187.626473][ T3246]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  187.626478][ T3246]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  187.626481][ T3246]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  187.626490][ T3246]  ? security_capable (security/security.c:660 (discriminator 11))
[  187.626495][ T3246]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  187.626499][ T3246]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  187.626502][ T3246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  187.626504][ T3246]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  187.626508][ T3246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  187.626514][ T3246]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  187.626518][ T3246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  187.626520][ T3246]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  187.626524][ T3246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  187.626531][ T3246]  ? 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))
[  187.626533][ T3246]  ? 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))
[  187.626538][ T3246]  genl_rcv (net/netlink/genetlink.c:1218)
[  187.626540][ T3246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  187.626544][ T3246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  187.626546][ T3246]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  187.626551][ T3246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  187.626555][ T3246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  187.626559][ T3246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  187.626561][ T3246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  187.626564][ T3246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  187.626570][ T3246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  187.626573][ T3246]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  187.626577][ T3246]  __sys_sendto (net/socket.c:2281)
[  187.626580][ T3246]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  187.626591][ T3246]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  187.626597][ T3246]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  187.626599][ T3246]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  187.626603][ T3246]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  187.626605][ T3246]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  187.626608][ T3246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  187.626610][ T3246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  187.626612][ T3246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  187.626615][ T3246] RIP: 0033:0x7f0d7047f312
[  187.626619][ T3246] 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)
[  187.626621][ T3246] RSP: 002b:00007fffee8fb928 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  187.626623][ T3246] RAX: ffffffffffffffda RBX: 00007fffee8fba58 RCX: 00007f0d7047f312
[  187.626625][ T3246] RDX: 0000000000000030 RSI: 00007f0d5ffa2b30 RDI: 0000000000000023
[  187.626626][ T3246] RBP: 00007fffee8fb950 R08: 00007fffee8fbad0 R09: 000000000000000c
[  187.626627][ T3246] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0d6e2e22e0
[  187.626627][ T3246] R13: 00007fffee8fba58 R14: 00007f0d6fd9e01a R15: 00007fffee8fbe48
| [  197.862315][ T3390] softirqs last disabled at (23432): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  197.862318][ T3390] Preemption disabled at:
| [  197.862319][ T3390] vprintk_emit (kernel/printk/printk.c:2471)
| [  197.862327][ T3390] Tainted: [W]=WARN
[  197.862330][ T3390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  197.862332][ T3390] Call Trace:
[  197.862334][ T3390]  <TASK>
[  197.862335][ T3390]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  197.862342][ T3390]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  197.862343][ T3390]  __might_resched.cold (kernel/sched/core.c:9234)
[  197.862348][ T3390]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  197.862352][ T3390]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  197.862357][ T3390]  __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))
[  197.862358][ T3390]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.862365][ T3390]  ? 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)
[  197.862374][ T3390]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.862378][ T3390]  put_chars (drivers/char/virtio_console.c:1176)
[  197.862379][ T3390]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  197.862382][ T3390]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  197.862385][ T3390]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  197.862388][ T3390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  197.862391][ T3390]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  197.862395][ T3390]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  197.862399][ T3390]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  197.862401][ T3390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.862403][ T3390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.862407][ T3390]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  197.862410][ T3390]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  197.862413][ T3390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.862415][ T3390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.862419][ T3390]  console_emit_next_record (kernel/printk/printk.c:3183)
[  197.862423][ T3390]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  197.862425][ T3390]  ? 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))
[  197.862429][ T3390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.862430][ T3390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.862434][ T3390]  console_flush_one_record (kernel/printk/printk.c:3268)
[  197.862439][ T3390]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  197.862441][ T3390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.862446][ T3390]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  197.862449][ T3390]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  197.862451][ T3390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.862453][ T3390]  ? 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)
[  197.862456][ T3390]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  197.862458][ T3390]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  197.862461][ T3390]  vprintk_emit (kernel/printk/printk.c:2479)
[  197.862464][ T3390]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  197.862467][ T3390]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  197.862470][ T3390]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  197.862479][ T3390]  _printk (kernel/printk/printk.c:2504)
[  197.862483][ T3390]  ? snapshot_read.cold (user.c:?)
[  197.862488][ T3390]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  197.862492][ T3390]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  197.862496][ T3390]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  197.862499][ T3390]  ? netdev_notice (net/core/dev.c:13194)
[  197.862500][ T3390]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  197.862505][ T3390]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  197.862510][ T3390]  ? 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)
[  197.862513][ T3390]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  197.862516][ T3390]  netif_set_promiscuity (net/core/dev.c:9699)
[  197.862520][ T3390]  dev_set_promiscuity (net/core/dev_api.c:288)
[  197.862522][ T3390]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  197.862525][ T3390] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  197.862532][ T3390] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  197.862537][ T3390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.862540][ T3390]  notifier_call_chain (kernel/notifier.c:85)
[  197.862545][ T3390]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  197.862550][ T3390]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  197.862558][ T3390]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  197.862559][ T3390]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  197.862561][ T3390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.862563][ T3390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.862565][ T3390]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  197.862587][ T3390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.862589][ T3390]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.862592][ T3390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.862594][ T3390]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  197.862596][ T3390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.862601][ T3390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.862603][ T3390]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.862605][ T3390]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  197.862607][ T3390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.862611][ T3390]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  197.862613][ T3390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  197.862616][ T3390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  197.862618][ T3390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.862622][ T3390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.862624][ T3390]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.862628][ T3390]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  197.862631][ T3390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  197.862634][ T3390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  197.862640][ T3390]  ? 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))
[  197.862643][ T3390]  ? 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))
[  197.862647][ T3390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  197.862651][ T3390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  197.862654][ T3390]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.862658][ T3390]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  197.862662][ T3390]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  197.862666][ T3390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.862668][ T3390]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  197.862673][ T3390]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  197.862677][ T3390]  ____sys_sendmsg (net/socket.c:2713)
[  197.862679][ T3390]  ? copy_msghdr_from_user (net/socket.c:2650)
[  197.862682][ T3390]  ? sock_write_iter (net/socket.c:1269)
[  197.862683][ T3390]  ? move_addr_to_kernel (net/socket.c:258)
[  197.862691][ T3390]  ___sys_sendmsg (net/socket.c:2767)
[  197.862694][ T3390]  ? copy_msghdr_from_user (net/socket.c:2619)
[  197.862709][ T3390]  __sys_sendmsg (net/socket.c:2799)
[  197.862713][ T3390]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  197.862719][ T3390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.862722][ T3390]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  197.862726][ T3390]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  197.862729][ T3390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  197.862731][ T3390] RIP: 0033:0x7f746955654e
[  197.862735][ T3390] 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
[  197.862737][ T3390] RSP: 002b:00007ffda247d400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  197.862740][ T3390] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f746955654e
[  197.862741][ T3390] RDX: 0000000000000000 RSI: 00007ffda247d4b0 RDI: 0000000000000005
[  197.862742][ T3390] RBP: 00007ffda247d410 R08: 0000000000000000 R09: 0000000000000000
[  197.862743][ T3390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915661
[  197.862744][ T3390] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda247db70
| [  200.926722][ T3447] softirqs last disabled at (381032): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  200.926725][ T3447] Preemption disabled at:
| [  200.926726][ T3447] vprintk_emit (kernel/printk/printk.c:2471)
| [  200.926734][ T3447] Tainted: [W]=WARN
[  200.926735][ T3447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  200.926737][ T3447] Call Trace:
[  200.926738][ T3447]  <TASK>
[  200.926740][ T3447]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  200.926746][ T3447]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  200.926748][ T3447]  __might_resched.cold (kernel/sched/core.c:9234)
[  200.926752][ T3447]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  200.926757][ T3447]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  200.926762][ T3447]  __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))
[  200.926764][ T3447]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.926771][ T3447]  ? 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)
[  200.926773][ T3447]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.926777][ T3447]  put_chars (drivers/char/virtio_console.c:1176)
[  200.926780][ T3447]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  200.926782][ T3447]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  200.926785][ T3447]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  200.926788][ T3447]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  200.926792][ T3447]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  200.926796][ T3447]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  200.926798][ T3447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.926800][ T3447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.926804][ T3447]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  200.926806][ T3447]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  200.926811][ T3447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.926815][ T3447]  console_emit_next_record (kernel/printk/printk.c:3183)
[  200.926819][ T3447]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  200.926821][ T3447]  ? 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))
[  200.926824][ T3447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.926826][ T3447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.926830][ T3447]  console_flush_one_record (kernel/printk/printk.c:3268)
[  200.926835][ T3447]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  200.926837][ T3447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.926842][ T3447]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  200.926845][ T3447]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  200.926847][ T3447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.926849][ T3447]  ? 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)
[  200.926852][ T3447]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  200.926854][ T3447]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  200.926857][ T3447]  vprintk_emit (kernel/printk/printk.c:2479)
[  200.926860][ T3447]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  200.926862][ T3447]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  200.926864][ T3447]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  200.926869][ T3447]  _printk (kernel/printk/printk.c:2504)
[  200.926873][ T3447]  ? snapshot_read.cold (user.c:?)
[  200.926874][ T3447]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  200.926881][ T3447]  ? idr_get_free (??:?)
[  200.926885][ T3447]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  200.926894][ T3447]  ? nla_get_range_signed (lib/nlattr.c:270)
[  200.926900][ T3447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.926902][ T3447]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  200.926907][ T3447]  __nla_validate_parse (lib/nlattr.c:635)
[  200.926911][ T3447]  __nla_parse (lib/nlattr.c:732)
[  200.926914][ T3447]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  200.926919][ T3447]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  200.926923][ T3447]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  200.926931][ T3447]  ? security_capable (security/security.c:660 (discriminator 11))
[  200.926936][ T3447]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  200.926939][ T3447]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  200.926942][ T3447]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  200.926944][ T3447]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  200.926952][ T3447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.926958][ T3447]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  200.926961][ T3447]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  200.926963][ T3447]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  200.926967][ T3447]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  200.926974][ T3447]  ? 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))
[  200.926976][ T3447]  ? 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))
[  200.926980][ T3447]  genl_rcv (net/netlink/genetlink.c:1218)
[  200.926982][ T3447]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  200.926986][ T3447]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  200.926990][ T3447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.926994][ T3447]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  200.926998][ T3447]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  200.927000][ T3447]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  200.927003][ T3447]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  200.927008][ T3447]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  200.927011][ T3447]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  200.927015][ T3447]  __sys_sendto (net/socket.c:2281)
[  200.927018][ T3447]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  200.927030][ T3447]  ? fput_close_sync (fs/file_table.c:617)
[  200.927035][ T3447]  ? alloc_file_clone (fs/file_table.c:479)
[  200.927041][ T3447]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  200.927045][ T3447]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  200.927049][ T3447]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  200.927052][ T3447]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  200.927054][ T3447]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  200.927056][ T3447]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  200.927059][ T3447]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  200.927061][ T3447] RIP: 0033:0x7f8684b00312
[  200.927065][ T3447] 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)
[  200.927067][ T3447] RSP: 002b:00007ffdc43434f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  200.927070][ T3447] RAX: ffffffffffffffda RBX: 00007ffdc4343628 RCX: 00007f8684b00312
[  200.927071][ T3447] RDX: 0000000000000044 RSI: 00007f86806dadd0 RDI: 0000000000000020
[  200.927072][ T3447] RBP: 00007ffdc4343520 R08: 00007ffdc43436a0 R09: 000000000000000c
[  200.927073][ T3447] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f868296a0b0
[  200.927074][ T3447] R13: 00007ffdc4343628 R14: 00007f868441f01a R15: 00007ffdc4343a18
| [  202.225772][ T3495] softirqs last disabled at (386592): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  202.225774][ T3495] Preemption disabled at:
| [  202.225775][ T3495] vprintk_emit (kernel/printk/printk.c:2471)
| [  202.225783][ T3495] Tainted: [W]=WARN
[  202.225784][ T3495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  202.225786][ T3495] Call Trace:
[  202.225787][ T3495]  <TASK>
[  202.225789][ T3495]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  202.225795][ T3495]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  202.225797][ T3495]  __might_resched.cold (kernel/sched/core.c:9234)
[  202.225801][ T3495]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  202.225806][ T3495]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  202.225810][ T3495]  __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))
[  202.225812][ T3495]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.225819][ T3495]  ? 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)
[  202.225822][ T3495]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.225826][ T3495]  put_chars (drivers/char/virtio_console.c:1176)
[  202.225828][ T3495]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  202.225831][ T3495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  202.225834][ T3495]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  202.225839][ T3495]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  202.225843][ T3495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.225845][ T3495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.225850][ T3495]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  202.225854][ T3495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.225856][ T3495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.225860][ T3495]  console_emit_next_record (kernel/printk/printk.c:3183)
[  202.225864][ T3495]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  202.225866][ T3495]  ? 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))
[  202.225870][ T3495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.225871][ T3495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.225875][ T3495]  console_flush_one_record (kernel/printk/printk.c:3268)
[  202.225880][ T3495]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  202.225882][ T3495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.225887][ T3495]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  202.225890][ T3495]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  202.225892][ T3495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.225894][ T3495]  ? 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)
[  202.225898][ T3495]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  202.225900][ T3495]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  202.225902][ T3495]  vprintk_emit (kernel/printk/printk.c:2479)
[  202.225905][ T3495]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  202.225911][ T3495]  _printk (kernel/printk/printk.c:2504)
[  202.225914][ T3495]  ? snapshot_read.cold (user.c:?)
[  202.225917][ T3495]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  202.225920][ T3495]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  202.225924][ T3495]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  202.225926][ T3495]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  202.225930][ T3495]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  202.225934][ T3495]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  202.225937][ T3495]  ? netdev_notice (net/core/dev.c:13194)
[  202.225938][ T3495]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  202.225947][ T3495]  ? 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)
[  202.225950][ T3495]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  202.225954][ T3495]  netif_set_promiscuity (net/core/dev.c:9699)
[  202.225957][ T3495]  dev_set_promiscuity (net/core/dev_api.c:288)
[  202.225960][ T3495]  ? dev_disable_lro (net/core/dev_api.c:267)
[  202.225962][ T3495] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  202.225967][ T3495] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  202.225972][ T3495] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  202.225977][ T3495]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  202.225981][ T3495] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  202.225987][ T3495]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  202.225990][ T3495]  ? __nla_validate_parse (lib/nlattr.c:635)
[  202.225996][ T3495]  ? __nla_parse (lib/nlattr.c:732)
[  202.225999][ T3495]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  202.226004][ T3495]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  202.226007][ T3495]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  202.226016][ T3495]  ? security_capable (security/security.c:660 (discriminator 11))
[  202.226020][ T3495]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  202.226024][ T3495]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  202.226027][ T3495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  202.226030][ T3495]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  202.226037][ T3495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.226046][ T3495]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  202.226049][ T3495]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  202.226052][ T3495]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  202.226055][ T3495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  202.226062][ T3495]  ? 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))
[  202.226064][ T3495]  ? 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))
[  202.226068][ T3495]  genl_rcv (net/netlink/genetlink.c:1218)
[  202.226071][ T3495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  202.226075][ T3495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  202.226078][ T3495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.226082][ T3495]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  202.226086][ T3495]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  202.226088][ T3495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.226091][ T3495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.226096][ T3495]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  202.226099][ T3495]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  202.226103][ T3495]  __sys_sendto (net/socket.c:2281)
[  202.226106][ T3495]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  202.226117][ T3495]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  202.226124][ T3495]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  202.226126][ T3495]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  202.226130][ T3495]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  202.226131][ T3495]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  202.226134][ T3495]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  202.226136][ T3495]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  202.226139][ T3495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  202.226141][ T3495] RIP: 0033:0x7f4a57854312
[  202.226145][ T3495] 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)
[  202.226147][ T3495] RSP: 002b:00007fffb9946598 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  202.226149][ T3495] RAX: ffffffffffffffda RBX: 00007fffb99466c8 RCX: 00007f4a57854312
[  202.226151][ T3495] RDX: 0000000000000030 RSI: 00007f4a5449e7f0 RDI: 0000000000000023
[  202.226152][ T3495] RBP: 00007fffb99465c0 R08: 00007fffb9946740 R09: 000000000000000c
[  202.226152][ T3495] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4a556be190
[  202.226153][ T3495] R13: 00007fffb99466c8 R14: 00007f4a5717301a R15: 00007fffb9946ab8
| [  203.465207][ T3533] softirqs last disabled at (388972): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  203.465209][ T3533] Preemption disabled at:
| [  203.465209][ T3533] vprintk_emit (kernel/printk/printk.c:2471)
| [  203.465218][ T3533] Tainted: [W]=WARN
[  203.465219][ T3533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  203.465220][ T3533] Call Trace:
[  203.465222][ T3533]  <TASK>
[  203.465224][ T3533]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  203.465230][ T3533]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  203.465232][ T3533]  __might_resched.cold (kernel/sched/core.c:9234)
[  203.465236][ T3533]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  203.465241][ T3533]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  203.465245][ T3533]  __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))
[  203.465247][ T3533]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  203.465254][ T3533]  ? 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)
[  203.465257][ T3533]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  203.465260][ T3533]  put_chars (drivers/char/virtio_console.c:1176)
[  203.465263][ T3533]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  203.465266][ T3533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  203.465269][ T3533]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  203.465274][ T3533]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  203.465278][ T3533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  203.465280][ T3533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  203.465284][ T3533]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  203.465288][ T3533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.465290][ T3533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.465295][ T3533]  console_emit_next_record (kernel/printk/printk.c:3183)
[  203.465299][ T3533]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  203.465301][ T3533]  ? 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))
[  203.465304][ T3533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.465306][ T3533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.465310][ T3533]  console_flush_one_record (kernel/printk/printk.c:3268)
[  203.465314][ T3533]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  203.465316][ T3533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  203.465322][ T3533]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  203.465325][ T3533]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  203.465327][ T3533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.465331][ T3533]  ? 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)
[  203.465335][ T3533]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  203.465337][ T3533]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  203.465340][ T3533]  vprintk_emit (kernel/printk/printk.c:2479)
[  203.465343][ T3533]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  203.465349][ T3533]  _printk (kernel/printk/printk.c:2504)
[  203.465353][ T3533]  ? snapshot_read.cold (user.c:?)
[  203.465355][ T3533]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  203.465359][ T3533]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  203.465363][ T3533]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  203.465365][ T3533]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  203.465369][ T3533]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  203.465373][ T3533]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  203.465376][ T3533]  ? netdev_notice (net/core/dev.c:13194)
[  203.465378][ T3533]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  203.465387][ T3533]  ? 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)
[  203.465389][ T3533]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  203.465393][ T3533]  netif_set_promiscuity (net/core/dev.c:9699)
[  203.465397][ T3533]  dev_set_promiscuity (net/core/dev_api.c:288)
[  203.465405][ T3533]  ? dev_disable_lro (net/core/dev_api.c:267)
[  203.465408][ T3533] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  203.465414][ T3533] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  203.465419][ T3533] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  203.465423][ T3533]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  203.465428][ T3533] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  203.465434][ T3533]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  203.465437][ T3533]  ? __nla_validate_parse (lib/nlattr.c:635)
[  203.465443][ T3533]  ? __nla_parse (lib/nlattr.c:732)
[  203.465446][ T3533]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  203.465451][ T3533]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  203.465455][ T3533]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  203.465463][ T3533]  ? security_capable (security/security.c:660 (discriminator 11))
[  203.465468][ T3533]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  203.465472][ T3533]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  203.465474][ T3533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  203.465476][ T3533]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  203.465481][ T3533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  203.465486][ T3533]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  203.465490][ T3533]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  203.465492][ T3533]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  203.465496][ T3533]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  203.465503][ T3533]  ? 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))
[  203.465505][ T3533]  ? 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))
[  203.465509][ T3533]  genl_rcv (net/netlink/genetlink.c:1218)
[  203.465511][ T3533]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  203.465515][ T3533]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  203.465519][ T3533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  203.465523][ T3533]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  203.465527][ T3533]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  203.465529][ T3533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  203.465532][ T3533]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  203.465537][ T3533]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  203.465540][ T3533]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  203.465544][ T3533]  __sys_sendto (net/socket.c:2281)
[  203.465547][ T3533]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  203.465558][ T3533]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  203.465565][ T3533]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  203.465567][ T3533]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  203.465571][ T3533]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  203.465573][ T3533]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  203.465575][ T3533]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  203.465577][ T3533]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  203.465580][ T3533]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  203.465582][ T3533] RIP: 0033:0x7fd0fcbcd312
[  203.465586][ T3533] 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)
[  203.465588][ T3533] RSP: 002b:00007ffe512981c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  203.465591][ T3533] RAX: ffffffffffffffda RBX: 00007ffe512982f8 RCX: 00007fd0fcbcd312
[  203.465592][ T3533] RDX: 0000000000000030 RSI: 00007fd0f87f14b0 RDI: 0000000000000023
[  203.465593][ T3533] RBP: 00007ffe512981f0 R08: 00007ffe51298370 R09: 000000000000000c
[  203.465594][ T3533] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd0faa26270
[  203.465595][ T3533] R13: 00007ffe512982f8 R14: 00007fd0fc4ec01a R15: 00007ffe512986e8
| [  216.242201][ T3789] softirqs last disabled at (27540): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  216.242203][ T3789] Preemption disabled at:
| [  216.242204][ T3789] vprintk_emit (kernel/printk/printk.c:2471)
| [  216.242213][ T3789] Tainted: [W]=WARN
[  216.242214][ T3789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  216.242215][ T3789] Call Trace:
[  216.242217][ T3789]  <TASK>
[  216.242218][ T3789]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  216.242224][ T3789]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  216.242226][ T3789]  __might_resched.cold (kernel/sched/core.c:9234)
[  216.242231][ T3789]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  216.242235][ T3789]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  216.242239][ T3789]  __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))
[  216.242241][ T3789]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.242248][ T3789]  ? 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)
[  216.242251][ T3789]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.242255][ T3789]  put_chars (drivers/char/virtio_console.c:1176)
[  216.242257][ T3789]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  216.242260][ T3789]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  216.242263][ T3789]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  216.242266][ T3789]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  216.242269][ T3789]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  216.242273][ T3789]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  216.242278][ T3789]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  216.242280][ T3789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.242282][ T3789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.242286][ T3789]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  216.242289][ T3789]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  216.242292][ T3789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.242294][ T3789]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.242299][ T3789]  console_emit_next_record (kernel/printk/printk.c:3183)
[  216.242303][ T3789]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  216.242305][ T3789]  ? 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))
[  216.242309][ T3789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.242310][ T3789]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.242315][ T3789]  console_flush_one_record (kernel/printk/printk.c:3268)
[  216.242319][ T3789]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  216.242321][ T3789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.242327][ T3789]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  216.242333][ T3789]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  216.242335][ T3789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.242337][ T3789]  ? 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)
[  216.242341][ T3789]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  216.242343][ T3789]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  216.242346][ T3789]  vprintk_emit (kernel/printk/printk.c:2479)
[  216.242349][ T3789]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  216.242352][ T3789]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  216.242355][ T3789]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  216.242365][ T3789]  _printk (kernel/printk/printk.c:2504)
[  216.242369][ T3789]  ? snapshot_read.cold (user.c:?)
[  216.242373][ T3789]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  216.242377][ T3789]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  216.242381][ T3789]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  216.242384][ T3789]  ? netdev_notice (net/core/dev.c:13194)
[  216.242386][ T3789]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  216.242391][ T3789]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  216.242396][ T3789]  ? 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)
[  216.242399][ T3789]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  216.242403][ T3789]  netif_set_promiscuity (net/core/dev.c:9699)
[  216.242407][ T3789]  dev_set_promiscuity (net/core/dev_api.c:288)
[  216.242409][ T3789]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  216.242412][ T3789] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  216.242419][ T3789] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  216.242424][ T3789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.242426][ T3789]  notifier_call_chain (kernel/notifier.c:85)
[  216.242433][ T3789]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  216.242438][ T3789]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  216.242446][ T3789]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  216.242448][ T3789]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  216.242450][ T3789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.242452][ T3789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.242454][ T3789]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  216.242484][ T3789]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  216.242486][ T3789]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  216.242490][ T3789]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  216.242492][ T3789]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  216.242494][ T3789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.242499][ T3789]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  216.242501][ T3789]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  216.242503][ T3789]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  216.242505][ T3789]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  216.242509][ T3789]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  216.242512][ T3789]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  216.242515][ T3789]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  216.242517][ T3789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.242521][ T3789]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  216.242524][ T3789]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  216.242527][ T3789]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  216.242531][ T3789]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  216.242534][ T3789]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  216.242541][ T3789]  ? 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))
[  216.242543][ T3789]  ? 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))
[  216.242548][ T3789]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  216.242552][ T3789]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  216.242555][ T3789]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  216.242560][ T3789]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  216.242564][ T3789]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  216.242568][ T3789]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  216.242570][ T3789]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  216.242576][ T3789]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  216.242580][ T3789]  ____sys_sendmsg (net/socket.c:2713)
[  216.242582][ T3789]  ? copy_msghdr_from_user (net/socket.c:2650)
[  216.242585][ T3789]  ? sock_write_iter (net/socket.c:1269)
[  216.242586][ T3789]  ? move_addr_to_kernel (net/socket.c:258)
[  216.242594][ T3789]  ___sys_sendmsg (net/socket.c:2767)
[  216.242597][ T3789]  ? copy_msghdr_from_user (net/socket.c:2619)
[  216.242614][ T3789]  __sys_sendmsg (net/socket.c:2799)
[  216.242618][ T3789]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  216.242624][ T3789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.242628][ T3789]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  216.242632][ T3789]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  216.242635][ T3789]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  216.242637][ T3789] RIP: 0033:0x7f08bb35854e
[  216.242641][ T3789] 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
[  216.242643][ T3789] RSP: 002b:00007ffde39b74f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  216.242646][ T3789] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f08bb35854e
[  216.242647][ T3789] RDX: 0000000000000000 RSI: 00007ffde39b75a0 RDI: 0000000000000005
[  216.242648][ T3789] RBP: 00007ffde39b7500 R08: 0000000000000000 R09: 0000000000000000
[  216.242649][ T3789] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915673
[  216.242650][ T3789] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde39b7c60
| [  219.259961][ T3847] softirqs last disabled at (387878): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  219.259964][ T3847] Preemption disabled at:
| [  219.259964][ T3847] vprintk_emit (kernel/printk/printk.c:2471)
| [  219.259973][ T3847] Tainted: [W]=WARN
[  219.259974][ T3847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  219.259976][ T3847] Call Trace:
[  219.259977][ T3847]  <TASK>
[  219.259979][ T3847]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  219.259985][ T3847]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  219.259987][ T3847]  __might_resched.cold (kernel/sched/core.c:9234)
[  219.259991][ T3847]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  219.259996][ T3847]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  219.260000][ T3847]  __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))
[  219.260002][ T3847]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.260008][ T3847]  ? 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)
[  219.260011][ T3847]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.260015][ T3847]  put_chars (drivers/char/virtio_console.c:1176)
[  219.260018][ T3847]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  219.260020][ T3847]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  219.260023][ T3847]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  219.260026][ T3847]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  219.260032][ T3847]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  219.260038][ T3847]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  219.260040][ T3847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.260043][ T3847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.260048][ T3847]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  219.260050][ T3847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  219.260055][ T3847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.260059][ T3847]  console_emit_next_record (kernel/printk/printk.c:3183)
[  219.260063][ T3847]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  219.260065][ T3847]  ? 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))
[  219.260068][ T3847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.260070][ T3847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.260074][ T3847]  console_flush_one_record (kernel/printk/printk.c:3268)
[  219.260078][ T3847]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  219.260080][ T3847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.260086][ T3847]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  219.260088][ T3847]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  219.260090][ T3847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.260092][ T3847]  ? 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)
[  219.260096][ T3847]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  219.260098][ T3847]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  219.260100][ T3847]  vprintk_emit (kernel/printk/printk.c:2479)
[  219.260103][ T3847]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  219.260105][ T3847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.260107][ T3847]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  219.260112][ T3847]  _printk (kernel/printk/printk.c:2504)
[  219.260116][ T3847]  ? snapshot_read.cold (user.c:?)
[  219.260117][ T3847]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  219.260123][ T3847]  ? idr_get_free (??:?)
[  219.260128][ T3847]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  219.260136][ T3847]  ? nla_get_range_signed (lib/nlattr.c:270)
[  219.260142][ T3847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.260144][ T3847]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  219.260148][ T3847]  __nla_validate_parse (lib/nlattr.c:635)
[  219.260153][ T3847]  __nla_parse (lib/nlattr.c:732)
[  219.260156][ T3847]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  219.260161][ T3847]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  219.260164][ T3847]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  219.260172][ T3847]  ? security_capable (security/security.c:660 (discriminator 11))
[  219.260176][ T3847]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  219.260180][ T3847]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  219.260182][ T3847]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  219.260185][ T3847]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  219.260192][ T3847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.260198][ T3847]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  219.260201][ T3847]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.260203][ T3847]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  219.260207][ T3847]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  219.260214][ T3847]  ? 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))
[  219.260215][ T3847]  ? 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))
[  219.260219][ T3847]  genl_rcv (net/netlink/genetlink.c:1218)
[  219.260222][ T3847]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.260226][ T3847]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  219.260230][ T3847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.260233][ T3847]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.260237][ T3847]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  219.260239][ T3847]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.260242][ T3847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.260246][ T3847]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  219.260249][ T3847]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  219.260253][ T3847]  __sys_sendto (net/socket.c:2281)
[  219.260257][ T3847]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  219.260267][ T3847]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  219.260273][ T3847]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  219.260275][ T3847]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  219.260279][ T3847]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  219.260280][ T3847]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  219.260283][ T3847]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.260285][ T3847]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  219.260287][ T3847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.260289][ T3847] RIP: 0033:0x7f54a4f6c312
[  219.260293][ T3847] 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)
[  219.260295][ T3847] RSP: 002b:00007fff357e4b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  219.260298][ T3847] RAX: ffffffffffffffda RBX: 00007fff357e4cb8 RCX: 00007f54a4f6c312
[  219.260299][ T3847] RDX: 0000000000000048 RSI: 00007f54a0b52bf0 RDI: 0000000000000020
[  219.260300][ T3847] RBP: 00007fff357e4bb0 R08: 00007fff357e4d30 R09: 000000000000000c
[  219.260301][ T3847] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f54a2dd6120
[  219.260302][ T3847] R13: 00007fff357e4cb8 R14: 00007f54a488b01a R15: 00007fff357e50a8
| [  220.551930][ T3895] softirqs last disabled at (392170): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  220.551932][ T3895] Preemption disabled at:
| [  220.551933][ T3895] vprintk_emit (kernel/printk/printk.c:2471)
| [  220.551941][ T3895] Tainted: [W]=WARN
[  220.551942][ T3895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  220.551944][ T3895] Call Trace:
[  220.551945][ T3895]  <TASK>
[  220.551947][ T3895]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  220.551953][ T3895]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  220.551955][ T3895]  __might_resched.cold (kernel/sched/core.c:9234)
[  220.551959][ T3895]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  220.551963][ T3895]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  220.551968][ T3895]  __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))
[  220.551970][ T3895]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.551977][ T3895]  ? 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)
[  220.551979][ T3895]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.551983][ T3895]  put_chars (drivers/char/virtio_console.c:1176)
[  220.551986][ T3895]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  220.551989][ T3895]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  220.551992][ T3895]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  220.551996][ T3895]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  220.552001][ T3895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.552002][ T3895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.552007][ T3895]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  220.552011][ T3895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.552013][ T3895]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.552017][ T3895]  console_emit_next_record (kernel/printk/printk.c:3183)
[  220.552021][ T3895]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  220.552023][ T3895]  ? 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))
[  220.552027][ T3895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.552028][ T3895]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.552032][ T3895]  console_flush_one_record (kernel/printk/printk.c:3268)
[  220.552037][ T3895]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  220.552040][ T3895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.552049][ T3895]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  220.552053][ T3895]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  220.552056][ T3895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.552058][ T3895]  ? 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)
[  220.552062][ T3895]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  220.552064][ T3895]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  220.552067][ T3895]  vprintk_emit (kernel/printk/printk.c:2479)
[  220.552070][ T3895]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  220.552076][ T3895]  _printk (kernel/printk/printk.c:2504)
[  220.552079][ T3895]  ? snapshot_read.cold (user.c:?)
[  220.552082][ T3895]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  220.552085][ T3895]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  220.552089][ T3895]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  220.552091][ T3895]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  220.552095][ T3895]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  220.552099][ T3895]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  220.552102][ T3895]  ? netdev_notice (net/core/dev.c:13194)
[  220.552104][ T3895]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  220.552112][ T3895]  ? 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)
[  220.552115][ T3895]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  220.552119][ T3895]  netif_set_promiscuity (net/core/dev.c:9699)
[  220.552122][ T3895]  dev_set_promiscuity (net/core/dev_api.c:288)
[  220.552124][ T3895]  ? dev_disable_lro (net/core/dev_api.c:267)
[  220.552126][ T3895] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  220.552132][ T3895] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  220.552137][ T3895] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  220.552141][ T3895]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  220.552146][ T3895] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  220.552152][ T3895]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  220.552155][ T3895]  ? __nla_validate_parse (lib/nlattr.c:635)
[  220.552162][ T3895]  ? __nla_parse (lib/nlattr.c:732)
[  220.552164][ T3895]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  220.552170][ T3895]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  220.552173][ T3895]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  220.552181][ T3895]  ? security_capable (security/security.c:660 (discriminator 11))
[  220.552186][ T3895]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  220.552190][ T3895]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  220.552192][ T3895]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  220.552195][ T3895]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  220.552199][ T3895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.552205][ T3895]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  220.552208][ T3895]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  220.552210][ T3895]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  220.552213][ T3895]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  220.552221][ T3895]  ? 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))
[  220.552222][ T3895]  ? 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))
[  220.552226][ T3895]  genl_rcv (net/netlink/genetlink.c:1218)
[  220.552229][ T3895]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  220.552233][ T3895]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  220.552237][ T3895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.552240][ T3895]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  220.552245][ T3895]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  220.552246][ T3895]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  220.552249][ T3895]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  220.552254][ T3895]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  220.552257][ T3895]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  220.552261][ T3895]  __sys_sendto (net/socket.c:2281)
[  220.552264][ T3895]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  220.552270][ T3895]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  220.552278][ T3895]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  220.552282][ T3895]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  220.552285][ T3895]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  220.552288][ T3895]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  220.552291][ T3895]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  220.552294][ T3895]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  220.552296][ T3895]  ? irq_exit_rcu (kernel/softirq.c:786)
[  220.552300][ T3895]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  220.552302][ T3895] RIP: 0033:0x7f0e94fef312
[  220.552306][ T3895] 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)
[  220.552308][ T3895] RSP: 002b:00007ffd06be6518 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  220.552310][ T3895] RAX: ffffffffffffffda RBX: 00007ffd06be6648 RCX: 00007f0e94fef312
[  220.552312][ T3895] RDX: 0000000000000030 RSI: 00007f0e90c04330 RDI: 0000000000000023
[  220.552313][ T3895] RBP: 00007ffd06be6540 R08: 00007ffd06be66c0 R09: 000000000000000c
[  220.552314][ T3895] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e92e52200
[  220.552315][ T3895] R13: 00007ffd06be6648 R14: 00007f0e9490e01a R15: 00007ffd06be6a38
| [  221.783490][ T3933] softirqs last disabled at (395965): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  221.783493][ T3933] Preemption disabled at:
| [  221.783494][ T3933] vprintk_emit (kernel/printk/printk.c:2471)
| [  221.783509][ T3933] Tainted: [W]=WARN
[  221.783510][ T3933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  221.783512][ T3933] Call Trace:
[  221.783513][ T3933]  <TASK>
[  221.783515][ T3933]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  221.783521][ T3933]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  221.783523][ T3933]  __might_resched.cold (kernel/sched/core.c:9234)
[  221.783527][ T3933]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  221.783531][ T3933]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  221.783536][ T3933]  __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))
[  221.783538][ T3933]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.783545][ T3933]  ? 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)
[  221.783548][ T3933]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.783552][ T3933]  put_chars (drivers/char/virtio_console.c:1176)
[  221.783554][ T3933]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  221.783558][ T3933]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  221.783561][ T3933]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  221.783565][ T3933]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  221.783570][ T3933]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.783572][ T3933]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.783577][ T3933]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  221.783580][ T3933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.783583][ T3933]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.783587][ T3933]  console_emit_next_record (kernel/printk/printk.c:3183)
[  221.783591][ T3933]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  221.783593][ T3933]  ? 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))
[  221.783597][ T3933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.783599][ T3933]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.783603][ T3933]  console_flush_one_record (kernel/printk/printk.c:3268)
[  221.783607][ T3933]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  221.783609][ T3933]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.783615][ T3933]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  221.783618][ T3933]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  221.783620][ T3933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.783622][ T3933]  ? 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)
[  221.783626][ T3933]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  221.783628][ T3933]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  221.783631][ T3933]  vprintk_emit (kernel/printk/printk.c:2479)
[  221.783634][ T3933]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  221.783640][ T3933]  _printk (kernel/printk/printk.c:2504)
[  221.783644][ T3933]  ? snapshot_read.cold (user.c:?)
[  221.783647][ T3933]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  221.783650][ T3933]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  221.783655][ T3933]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  221.783656][ T3933]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  221.783660][ T3933]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  221.783664][ T3933]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  221.783667][ T3933]  ? netdev_notice (net/core/dev.c:13194)
[  221.783669][ T3933]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  221.783678][ T3933]  ? 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)
[  221.783681][ T3933]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  221.783684][ T3933]  netif_set_promiscuity (net/core/dev.c:9699)
[  221.783688][ T3933]  dev_set_promiscuity (net/core/dev_api.c:288)
[  221.783691][ T3933]  ? dev_disable_lro (net/core/dev_api.c:267)
[  221.783693][ T3933] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  221.783698][ T3933] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  221.783704][ T3933] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  221.783708][ T3933]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  221.783713][ T3933] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  221.783719][ T3933]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  221.783722][ T3933]  ? __nla_validate_parse (lib/nlattr.c:635)
[  221.783729][ T3933]  ? __nla_parse (lib/nlattr.c:732)
[  221.783731][ T3933]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  221.783736][ T3933]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  221.783740][ T3933]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  221.783748][ T3933]  ? security_capable (security/security.c:660 (discriminator 11))
[  221.783753][ T3933]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  221.783757][ T3933]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  221.783760][ T3933]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  221.783762][ T3933]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  221.783766][ T3933]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.783772][ T3933]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  221.783775][ T3933]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.783778][ T3933]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  221.783781][ T3933]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  221.783789][ T3933]  ? 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))
[  221.783791][ T3933]  ? 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))
[  221.783795][ T3933]  genl_rcv (net/netlink/genetlink.c:1218)
[  221.783797][ T3933]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.783801][ T3933]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  221.783803][ T3933]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  221.783808][ T3933]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.783812][ T3933]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.783816][ T3933]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  221.783818][ T3933]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.783821][ T3933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  221.783826][ T3933]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  221.783829][ T3933]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  221.783833][ T3933]  __sys_sendto (net/socket.c:2281)
[  221.783836][ T3933]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  221.783848][ T3933]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  221.783854][ T3933]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  221.783856][ T3933]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  221.783860][ T3933]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  221.783861][ T3933]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  221.783864][ T3933]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.783866][ T3933]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  221.783869][ T3933]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.783871][ T3933] RIP: 0033:0x7fc7543c9312
[  221.783875][ T3933] 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)
[  221.783877][ T3933] RSP: 002b:00007ffe84319128 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  221.783880][ T3933] RAX: ffffffffffffffda RBX: 00007ffe84319258 RCX: 00007fc7543c9312
[  221.783881][ T3933] RDX: 0000000000000030 RSI: 00007fc743f96bb0 RDI: 0000000000000023
[  221.783882][ T3933] RBP: 00007ffe84319150 R08: 00007ffe843192d0 R09: 000000000000000c
[  221.783883][ T3933] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc7522222e0
[  221.783884][ T3933] R13: 00007ffe84319258 R14: 00007fc753ce801a R15: 00007ffe84319648
| [  225.746332][ T4022] softirqs last disabled at (374874): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  225.746335][ T4022] Preemption disabled at:
| [  225.746335][ T4022] vprintk_emit (kernel/printk/printk.c:2471)
| [  225.746344][ T4022] Tainted: [W]=WARN
[  225.746345][ T4022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  225.746346][ T4022] Call Trace:
[  225.746348][ T4022]  <TASK>
[  225.746349][ T4022]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  225.746355][ T4022]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  225.746357][ T4022]  __might_resched.cold (kernel/sched/core.c:9234)
[  225.746362][ T4022]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  225.746366][ T4022]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  225.746370][ T4022]  __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))
[  225.746372][ T4022]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  225.746379][ T4022]  ? 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)
[  225.746382][ T4022]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  225.746386][ T4022]  put_chars (drivers/char/virtio_console.c:1176)
[  225.746388][ T4022]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  225.746390][ T4022]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  225.746393][ T4022]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  225.746399][ T4022]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  225.746407][ T4022]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  225.746410][ T4022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.746412][ T4022]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.746416][ T4022]  console_emit_next_record (kernel/printk/printk.c:3183)
[  225.746420][ T4022]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  225.746422][ T4022]  ? 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))
[  225.746425][ T4022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.746427][ T4022]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.746431][ T4022]  console_flush_one_record (kernel/printk/printk.c:3268)
[  225.746435][ T4022]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  225.746437][ T4022]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  225.746443][ T4022]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  225.746446][ T4022]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  225.746448][ T4022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.746449][ T4022]  ? 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)
[  225.746453][ T4022]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  225.746455][ T4022]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  225.746458][ T4022]  vprintk_emit (kernel/printk/printk.c:2479)
[  225.746461][ T4022]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  225.746463][ T4022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  225.746468][ T4022]  _printk (kernel/printk/printk.c:2504)
[  225.746472][ T4022]  ? snapshot_read.cold (user.c:?)
[  225.746473][ T4022]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  225.746479][ T4022]  ? idr_get_free (??:?)
[  225.746482][ T4022]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  225.746491][ T4022] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  225.746499][ T4022]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  225.746503][ T4022]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  225.746506][ T4022]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  225.746508][ T4022]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  225.746510][ T4022]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  225.746513][ T4022]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  225.746515][ T4022]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  225.746517][ T4022]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  225.746526][ T4022]  ? __sys_sendto (net/socket.c:2281)
[  225.746529][ T4022]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  225.746548][ T4022]  ? __nla_parse (lib/nlattr.c:732)
[  225.746552][ T4022]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  225.746557][ T4022]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  225.746560][ T4022]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  225.746568][ T4022]  ? security_capable (security/security.c:660 (discriminator 11))
[  225.746572][ T4022]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  225.746576][ T4022]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  225.746578][ T4022]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  225.746581][ T4022]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  225.746586][ T4022]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  225.746591][ T4022]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  225.746594][ T4022]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  225.746596][ T4022]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  225.746600][ T4022]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  225.746607][ T4022]  ? 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))
[  225.746608][ T4022]  ? 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))
[  225.746612][ T4022]  genl_rcv (net/netlink/genetlink.c:1218)
[  225.746615][ T4022]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  225.746619][ T4022]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  225.746622][ T4022]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  225.746626][ T4022]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  225.746630][ T4022]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  225.746631][ T4022]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  225.746634][ T4022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  225.746639][ T4022]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  225.746641][ T4022]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  225.746645][ T4022]  __sys_sendto (net/socket.c:2281)
[  225.746648][ T4022]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  225.746658][ T4022]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  225.746664][ T4022]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  225.746666][ T4022]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  225.746670][ T4022]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  225.746671][ T4022]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  225.746674][ T4022]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  225.746676][ T4022]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  225.746678][ T4022]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  225.746681][ T4022] RIP: 0033:0x7f5e642b9312
[  225.746684][ T4022] 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)
[  225.746686][ T4022] RSP: 002b:00007ffc710cd0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  225.746689][ T4022] RAX: ffffffffffffffda RBX: 00007ffc710cd1e8 RCX: 00007f5e642b9312
[  225.746691][ T4022] RDX: 00000000000000b0 RSI: 00007f5e61f8b9f0 RDI: 0000000000000026
[  225.746691][ T4022] RBP: 00007ffc710cd0e0 R08: 00007ffc710cd260 R09: 000000000000000c
[  225.746692][ T4022] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5e62112350
[  225.746693][ T4022] R13: 00007ffc710cd1e8 R14: 00007f5e63bd801a R15: 00007ffc710cd5d8
| [  236.160085][ T4225] softirqs last disabled at (20616): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  236.160087][ T4225] Preemption disabled at:
| [  236.160088][ T4225] vprintk_emit (kernel/printk/printk.c:2471)
| [  236.160096][ T4225] Tainted: [W]=WARN
[  236.160097][ T4225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  236.160099][ T4225] Call Trace:
[  236.160101][ T4225]  <TASK>
[  236.160103][ T4225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  236.160108][ T4225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  236.160110][ T4225]  __might_resched.cold (kernel/sched/core.c:9234)
[  236.160115][ T4225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  236.160119][ T4225]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  236.160123][ T4225]  __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))
[  236.160126][ T4225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.160133][ T4225]  ? 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)
[  236.160135][ T4225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.160139][ T4225]  put_chars (drivers/char/virtio_console.c:1176)
[  236.160141][ T4225]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  236.160144][ T4225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  236.160147][ T4225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  236.160150][ T4225]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  236.160153][ T4225]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  236.160157][ T4225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  236.160161][ T4225]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  236.160163][ T4225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.160165][ T4225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.160169][ T4225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  236.160172][ T4225]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  236.160175][ T4225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.160177][ T4225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.160182][ T4225]  console_emit_next_record (kernel/printk/printk.c:3183)
[  236.160186][ T4225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  236.160187][ T4225]  ? 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))
[  236.160191][ T4225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.160192][ T4225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.160197][ T4225]  console_flush_one_record (kernel/printk/printk.c:3268)
[  236.160201][ T4225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  236.160203][ T4225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.160209][ T4225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  236.160212][ T4225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  236.160214][ T4225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.160215][ T4225]  ? 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)
[  236.160219][ T4225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  236.160221][ T4225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  236.160224][ T4225]  vprintk_emit (kernel/printk/printk.c:2479)
[  236.160227][ T4225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  236.160230][ T4225]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  236.160233][ T4225]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  236.160242][ T4225]  _printk (kernel/printk/printk.c:2504)
[  236.160245][ T4225]  ? snapshot_read.cold (user.c:?)
[  236.160250][ T4225]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  236.160254][ T4225]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  236.160257][ T4225]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  236.160261][ T4225]  ? netdev_notice (net/core/dev.c:13194)
[  236.160262][ T4225]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  236.160267][ T4225]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  236.160272][ T4225]  ? 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)
[  236.160275][ T4225]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  236.160278][ T4225]  netif_set_promiscuity (net/core/dev.c:9699)
[  236.160283][ T4225]  dev_set_promiscuity (net/core/dev_api.c:288)
[  236.160285][ T4225]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  236.160288][ T4225] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  236.160295][ T4225] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  236.160300][ T4225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.160302][ T4225]  notifier_call_chain (kernel/notifier.c:85)
[  236.160308][ T4225]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  236.160313][ T4225]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  236.160321][ T4225]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  236.160323][ T4225]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  236.160325][ T4225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.160327][ T4225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.160331][ T4225]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  236.160352][ T4225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.160354][ T4225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.160358][ T4225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.160360][ T4225]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  236.160362][ T4225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.160367][ T4225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.160369][ T4225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.160371][ T4225]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  236.160373][ T4225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.160377][ T4225]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  236.160379][ T4225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  236.160382][ T4225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  236.160384][ T4225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.160389][ T4225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.160391][ T4225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.160394][ T4225]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  236.160398][ T4225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  236.160401][ T4225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  236.160407][ T4225]  ? 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))
[  236.160409][ T4225]  ? 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))
[  236.160414][ T4225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  236.160418][ T4225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  236.160421][ T4225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.160425][ T4225]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  236.160429][ T4225]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  236.160433][ T4225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.160435][ T4225]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  236.160440][ T4225]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  236.160445][ T4225]  ____sys_sendmsg (net/socket.c:2713)
[  236.160447][ T4225]  ? copy_msghdr_from_user (net/socket.c:2650)
[  236.160449][ T4225]  ? sock_write_iter (net/socket.c:1269)
[  236.160451][ T4225]  ? move_addr_to_kernel (net/socket.c:258)
[  236.160458][ T4225]  ___sys_sendmsg (net/socket.c:2767)
[  236.160461][ T4225]  ? copy_msghdr_from_user (net/socket.c:2619)
[  236.160477][ T4225]  __sys_sendmsg (net/socket.c:2799)
[  236.160480][ T4225]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  236.160487][ T4225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.160490][ T4225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  236.160494][ T4225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  236.160497][ T4225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  236.160499][ T4225] RIP: 0033:0x7f0c561da54e
[  236.160503][ T4225] 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
[  236.160505][ T4225] RSP: 002b:00007ffd5bac9fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  236.160507][ T4225] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0c561da54e
[  236.160509][ T4225] RDX: 0000000000000000 RSI: 00007ffd5baca050 RDI: 0000000000000005
[  236.160510][ T4225] RBP: 00007ffd5bac9fb0 R08: 0000000000000000 R09: 0000000000000000
[  236.160511][ T4225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915687
[  236.160512][ T4225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5baca710
| [  239.125641][ T4282] softirqs last disabled at (365576): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  239.125644][ T4282] Preemption disabled at:
| [  239.125645][ T4282] vprintk_emit (kernel/printk/printk.c:2471)
| [  239.125653][ T4282] Tainted: [W]=WARN
[  239.125654][ T4282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  239.125656][ T4282] Call Trace:
[  239.125658][ T4282]  <TASK>
[  239.125659][ T4282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  239.125665][ T4282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  239.125667][ T4282]  __might_resched.cold (kernel/sched/core.c:9234)
[  239.125671][ T4282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  239.125676][ T4282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  239.125680][ T4282]  __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))
[  239.125682][ T4282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  239.125688][ T4282]  ? 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)
[  239.125691][ T4282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  239.125695][ T4282]  put_chars (drivers/char/virtio_console.c:1176)
[  239.125697][ T4282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  239.125700][ T4282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  239.125703][ T4282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  239.125706][ T4282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  239.125710][ T4282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  239.125714][ T4282]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  239.125716][ T4282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.125718][ T4282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.125722][ T4282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  239.125724][ T4282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  239.125729][ T4282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.125733][ T4282]  console_emit_next_record (kernel/printk/printk.c:3183)
[  239.125737][ T4282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  239.125739][ T4282]  ? 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))
[  239.125742][ T4282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.125744][ T4282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.125749][ T4282]  console_flush_one_record (kernel/printk/printk.c:3268)
[  239.125753][ T4282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  239.125755][ T4282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.125760][ T4282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  239.125763][ T4282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  239.125765][ T4282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.125767][ T4282]  ? 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)
[  239.125771][ T4282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  239.125773][ T4282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  239.125776][ T4282]  vprintk_emit (kernel/printk/printk.c:2479)
[  239.125779][ T4282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  239.125781][ T4282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  239.125783][ T4282]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  239.125788][ T4282]  _printk (kernel/printk/printk.c:2504)
[  239.125792][ T4282]  ? snapshot_read.cold (user.c:?)
[  239.125793][ T4282]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  239.125799][ T4282]  ? idr_get_free (??:?)
[  239.125804][ T4282]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  239.125812][ T4282]  ? nla_get_range_signed (lib/nlattr.c:270)
[  239.125818][ T4282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.125820][ T4282]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  239.125824][ T4282]  __nla_validate_parse (lib/nlattr.c:635)
[  239.125830][ T4282]  __nla_parse (lib/nlattr.c:732)
[  239.125832][ T4282]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  239.125837][ T4282]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  239.125841][ T4282]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  239.125849][ T4282]  ? security_capable (security/security.c:660 (discriminator 11))
[  239.125854][ T4282]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  239.125857][ T4282]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  239.125860][ T4282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  239.125862][ T4282]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  239.125870][ T4282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.125876][ T4282]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  239.125879][ T4282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  239.125882][ T4282]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  239.125885][ T4282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  239.125892][ T4282]  ? 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))
[  239.125894][ T4282]  ? 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))
[  239.125899][ T4282]  genl_rcv (net/netlink/genetlink.c:1218)
[  239.125901][ T4282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  239.125905][ T4282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  239.125909][ T4282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.125913][ T4282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  239.125917][ T4282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  239.125918][ T4282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  239.125922][ T4282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  239.125926][ T4282]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  239.125929][ T4282]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  239.125933][ T4282]  __sys_sendto (net/socket.c:2281)
[  239.125936][ T4282]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  239.125947][ T4282]  ? fput_close_sync (fs/file_table.c:617)
[  239.125951][ T4282]  ? alloc_file_clone (fs/file_table.c:479)
[  239.125955][ T4282]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  239.125957][ T4282]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  239.125961][ T4282]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  239.125964][ T4282]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  239.125966][ T4282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  239.125968][ T4282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  239.125971][ T4282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  239.125973][ T4282] RIP: 0033:0x7fb4c3a60312
[  239.125977][ T4282] 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)
[  239.125979][ T4282] RSP: 002b:00007fff9b6272a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  239.125981][ T4282] RAX: ffffffffffffffda RBX: 00007fff9b6273d8 RCX: 00007fb4c3a60312
[  239.125983][ T4282] RDX: 0000000000000044 RSI: 00007fb4c063ae20 RDI: 0000000000000020
[  239.125984][ T4282] RBP: 00007fff9b6272d0 R08: 00007fff9b627450 R09: 000000000000000c
[  239.125985][ T4282] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb4c18ca120
[  239.125986][ T4282] R13: 00007fff9b6273d8 R14: 00007fb4c337f01a R15: 00007fff9b6277c8
| [  240.388122][ T4337] softirqs last disabled at (401158): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  240.388124][ T4337] Preemption disabled at:
| [  240.388124][ T4337] vprintk_emit (kernel/printk/printk.c:2471)
| [  240.388133][ T4337] Tainted: [W]=WARN
[  240.388134][ T4337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  240.388136][ T4337] Call Trace:
[  240.388137][ T4337]  <TASK>
[  240.388139][ T4337]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  240.388145][ T4337]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  240.388147][ T4337]  __might_resched.cold (kernel/sched/core.c:9234)
[  240.388151][ T4337]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  240.388156][ T4337]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  240.388160][ T4337]  __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))
[  240.388162][ T4337]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.388169][ T4337]  ? 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)
[  240.388172][ T4337]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.388176][ T4337]  put_chars (drivers/char/virtio_console.c:1176)
[  240.388178][ T4337]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  240.388182][ T4337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  240.388185][ T4337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  240.388190][ T4337]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  240.388194][ T4337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.388196][ T4337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.388200][ T4337]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  240.388204][ T4337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.388207][ T4337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.388211][ T4337]  console_emit_next_record (kernel/printk/printk.c:3183)
[  240.388215][ T4337]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  240.388217][ T4337]  ? 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))
[  240.388221][ T4337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.388222][ T4337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.388226][ T4337]  console_flush_one_record (kernel/printk/printk.c:3268)
[  240.388231][ T4337]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  240.388233][ T4337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.388238][ T4337]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  240.388241][ T4337]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  240.388243][ T4337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.388245][ T4337]  ? 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)
[  240.388249][ T4337]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  240.388251][ T4337]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  240.388254][ T4337]  vprintk_emit (kernel/printk/printk.c:2479)
[  240.388257][ T4337]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  240.388263][ T4337]  _printk (kernel/printk/printk.c:2504)
[  240.388266][ T4337]  ? snapshot_read.cold (user.c:?)
[  240.388269][ T4337]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  240.388272][ T4337]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  240.388277][ T4337]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  240.388279][ T4337]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  240.388283][ T4337]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  240.388287][ T4337]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  240.388290][ T4337]  ? netdev_notice (net/core/dev.c:13194)
[  240.388292][ T4337]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  240.388301][ T4337]  ? 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)
[  240.388304][ T4337]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  240.388307][ T4337]  netif_set_promiscuity (net/core/dev.c:9699)
[  240.388311][ T4337]  dev_set_promiscuity (net/core/dev_api.c:288)
[  240.388313][ T4337]  ? dev_disable_lro (net/core/dev_api.c:267)
[  240.388316][ T4337] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  240.388321][ T4337] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  240.388326][ T4337] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  240.388335][ T4337]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  240.388339][ T4337] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  240.388345][ T4337]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  240.388349][ T4337]  ? __nla_validate_parse (lib/nlattr.c:635)
[  240.388355][ T4337]  ? __nla_parse (lib/nlattr.c:732)
[  240.388358][ T4337]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  240.388363][ T4337]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  240.388367][ T4337]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  240.388375][ T4337]  ? security_capable (security/security.c:660 (discriminator 11))
[  240.388380][ T4337]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  240.388384][ T4337]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  240.388386][ T4337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  240.388388][ T4337]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  240.388393][ T4337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.388399][ T4337]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  240.388402][ T4337]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  240.388404][ T4337]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  240.388408][ T4337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  240.388415][ T4337]  ? 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))
[  240.388417][ T4337]  ? 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))
[  240.388422][ T4337]  genl_rcv (net/netlink/genetlink.c:1218)
[  240.388424][ T4337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  240.388428][ T4337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  240.388432][ T4337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.388435][ T4337]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  240.388440][ T4337]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  240.388442][ T4337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  240.388445][ T4337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  240.388450][ T4337]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  240.388453][ T4337]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  240.388457][ T4337]  __sys_sendto (net/socket.c:2281)
[  240.388460][ T4337]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  240.388471][ T4337]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  240.388478][ T4337]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  240.388480][ T4337]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  240.388484][ T4337]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  240.388486][ T4337]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  240.388488][ T4337]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  240.388490][ T4337]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  240.388493][ T4337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  240.388495][ T4337] RIP: 0033:0x7fd8bf0bd312
[  240.388499][ T4337] 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)
[  240.388501][ T4337] RSP: 002b:00007ffe7ba80fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  240.388503][ T4337] RAX: ffffffffffffffda RBX: 00007ffe7ba810e8 RCX: 00007fd8bf0bd312
[  240.388505][ T4337] RDX: 0000000000000030 RSI: 00007fd8bc50a370 RDI: 0000000000000023
[  240.388506][ T4337] RBP: 00007ffe7ba80fe0 R08: 00007ffe7ba81160 R09: 000000000000000c
[  240.388507][ T4337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd8bcf16200
[  240.388508][ T4337] R13: 00007ffe7ba810e8 R14: 00007fd8be9dc01a R15: 00007ffe7ba814d8
| [  241.597091][ T4377] softirqs last disabled at (392334): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  241.597093][ T4377] Preemption disabled at:
| [  241.597094][ T4377] vprintk_emit (kernel/printk/printk.c:2471)
| [  241.597103][ T4377] Tainted: [W]=WARN
[  241.597104][ T4377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  241.597105][ T4377] Call Trace:
[  241.597107][ T4377]  <TASK>
[  241.597109][ T4377]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  241.597115][ T4377]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  241.597117][ T4377]  __might_resched.cold (kernel/sched/core.c:9234)
[  241.597121][ T4377]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  241.597126][ T4377]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  241.597131][ T4377]  __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))
[  241.597133][ T4377]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  241.597140][ T4377]  ? 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)
[  241.597142][ T4377]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  241.597146][ T4377]  put_chars (drivers/char/virtio_console.c:1176)
[  241.597149][ T4377]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  241.597152][ T4377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  241.597155][ T4377]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  241.597160][ T4377]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  241.597164][ T4377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  241.597166][ T4377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  241.597171][ T4377]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  241.597175][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.597177][ T4377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.597181][ T4377]  console_emit_next_record (kernel/printk/printk.c:3183)
[  241.597186][ T4377]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  241.597188][ T4377]  ? 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))
[  241.597191][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.597193][ T4377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.597197][ T4377]  console_flush_one_record (kernel/printk/printk.c:3268)
[  241.597202][ T4377]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  241.597204][ T4377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  241.597209][ T4377]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  241.597212][ T4377]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  241.597214][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.597216][ T4377]  ? 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)
[  241.597220][ T4377]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  241.597222][ T4377]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  241.597225][ T4377]  vprintk_emit (kernel/printk/printk.c:2479)
[  241.597228][ T4377]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  241.597233][ T4377]  _printk (kernel/printk/printk.c:2504)
[  241.597237][ T4377]  ? snapshot_read.cold (user.c:?)
[  241.597240][ T4377]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  241.597243][ T4377]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  241.597248][ T4377]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  241.597250][ T4377]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  241.597253][ T4377]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  241.597258][ T4377]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  241.597260][ T4377]  ? netdev_notice (net/core/dev.c:13194)
[  241.597262][ T4377]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  241.597272][ T4377]  ? 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)
[  241.597274][ T4377]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  241.597278][ T4377]  netif_set_promiscuity (net/core/dev.c:9699)
[  241.597282][ T4377]  dev_set_promiscuity (net/core/dev_api.c:288)
[  241.597284][ T4377]  ? dev_disable_lro (net/core/dev_api.c:267)
[  241.597287][ T4377] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  241.597292][ T4377] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  241.597297][ T4377] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  241.597302][ T4377]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  241.597306][ T4377] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  241.597312][ T4377]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  241.597316][ T4377]  ? __nla_validate_parse (lib/nlattr.c:635)
[  241.597322][ T4377]  ? __nla_parse (lib/nlattr.c:732)
[  241.597325][ T4377]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  241.597333][ T4377]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  241.597337][ T4377]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  241.597345][ T4377]  ? security_capable (security/security.c:660 (discriminator 11))
[  241.597350][ T4377]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  241.597354][ T4377]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  241.597357][ T4377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  241.597359][ T4377]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  241.597363][ T4377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  241.597369][ T4377]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  241.597373][ T4377]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  241.597375][ T4377]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  241.597379][ T4377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  241.597386][ T4377]  ? 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))
[  241.597388][ T4377]  ? 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))
[  241.597392][ T4377]  genl_rcv (net/netlink/genetlink.c:1218)
[  241.597394][ T4377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  241.597399][ T4377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  241.597402][ T4377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  241.597406][ T4377]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  241.597410][ T4377]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  241.597412][ T4377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  241.597415][ T4377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  241.597420][ T4377]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  241.597424][ T4377]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  241.597428][ T4377]  __sys_sendto (net/socket.c:2281)
[  241.597431][ T4377]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  241.597442][ T4377]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  241.597448][ T4377]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  241.597451][ T4377]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  241.597455][ T4377]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  241.597456][ T4377]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  241.597459][ T4377]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  241.597461][ T4377]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  241.597463][ T4377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  241.597466][ T4377] RIP: 0033:0x7f9fa9b23312
[  241.597470][ T4377] 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)
[  241.597472][ T4377] RSP: 002b:00007ffc3c2db048 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  241.597475][ T4377] RAX: ffffffffffffffda RBX: 00007ffc3c2db178 RCX: 00007f9fa9b23312
[  241.597476][ T4377] RDX: 0000000000000030 RSI: 00007f9fa575c3b0 RDI: 0000000000000023
[  241.597477][ T4377] RBP: 00007ffc3c2db070 R08: 00007ffc3c2db1f0 R09: 000000000000000c
[  241.597478][ T4377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9fa79862e0
[  241.597479][ T4377] R13: 00007ffc3c2db178 R14: 00007f9fa944201a R15: 00007ffc3c2db568
| [  249.452662][ T4528] softirqs last disabled at (21094): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  249.452665][ T4528] Preemption disabled at:
| [  249.452666][ T4528] vprintk_emit (kernel/printk/printk.c:2471)
| [  249.452674][ T4528] Tainted: [W]=WARN
[  249.452676][ T4528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  249.452677][ T4528] Call Trace:
[  249.452679][ T4528]  <TASK>
[  249.452680][ T4528]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  249.452686][ T4528]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  249.452688][ T4528]  __might_resched.cold (kernel/sched/core.c:9234)
[  249.452692][ T4528]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  249.452696][ T4528]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  249.452701][ T4528]  __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))
[  249.452703][ T4528]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  249.452709][ T4528]  ? 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)
[  249.452712][ T4528]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  249.452716][ T4528]  put_chars (drivers/char/virtio_console.c:1176)
[  249.452717][ T4528]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  249.452720][ T4528]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  249.452723][ T4528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  249.452726][ T4528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  249.452729][ T4528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  249.452733][ T4528]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  249.452737][ T4528]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  249.452739][ T4528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.452741][ T4528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.452745][ T4528]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  249.452747][ T4528]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  249.452751][ T4528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.452753][ T4528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  249.452757][ T4528]  console_emit_next_record (kernel/printk/printk.c:3183)
[  249.452761][ T4528]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  249.452763][ T4528]  ? 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))
[  249.452766][ T4528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.452768][ T4528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  249.452772][ T4528]  console_flush_one_record (kernel/printk/printk.c:3268)
[  249.452776][ T4528]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  249.452778][ T4528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.452783][ T4528]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  249.452786][ T4528]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  249.452788][ T4528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.452790][ T4528]  ? 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)
[  249.452794][ T4528]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  249.452796][ T4528]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  249.452798][ T4528]  vprintk_emit (kernel/printk/printk.c:2479)
[  249.452802][ T4528]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  249.452804][ T4528]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  249.452807][ T4528]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  249.452816][ T4528]  _printk (kernel/printk/printk.c:2504)
[  249.452819][ T4528]  ? snapshot_read.cold (user.c:?)
[  249.452824][ T4528]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  249.452828][ T4528]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  249.452831][ T4528]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  249.452834][ T4528]  ? netdev_notice (net/core/dev.c:13194)
[  249.452836][ T4528]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  249.452840][ T4528]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  249.452846][ T4528]  ? 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)
[  249.452848][ T4528]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  249.452852][ T4528]  netif_set_promiscuity (net/core/dev.c:9699)
[  249.452855][ T4528]  dev_set_promiscuity (net/core/dev_api.c:288)
[  249.452857][ T4528]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  249.452861][ T4528] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  249.452868][ T4528] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  249.452872][ T4528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.452875][ T4528]  notifier_call_chain (kernel/notifier.c:85)
[  249.452880][ T4528]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  249.452885][ T4528]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  249.452892][ T4528]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  249.452894][ T4528]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  249.452896][ T4528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.452898][ T4528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.452900][ T4528]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  249.452921][ T4528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  249.452923][ T4528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  249.452926][ T4528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  249.452929][ T4528]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  249.452931][ T4528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.452935][ T4528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  249.452937][ T4528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  249.452939][ T4528]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  249.452941][ T4528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  249.452945][ T4528]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  249.452947][ T4528]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  249.452950][ T4528]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  249.452952][ T4528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.452956][ T4528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  249.452958][ T4528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  249.452962][ T4528]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  249.452965][ T4528]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  249.452968][ T4528]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  249.452974][ T4528]  ? 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))
[  249.452977][ T4528]  ? 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))
[  249.452981][ T4528]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  249.452985][ T4528]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  249.452988][ T4528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  249.452992][ T4528]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  249.452996][ T4528]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  249.453000][ T4528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  249.453001][ T4528]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  249.453007][ T4528]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  249.453011][ T4528]  ____sys_sendmsg (net/socket.c:2713)
[  249.453013][ T4528]  ? copy_msghdr_from_user (net/socket.c:2650)
[  249.453016][ T4528]  ? sock_write_iter (net/socket.c:1269)
[  249.453017][ T4528]  ? move_addr_to_kernel (net/socket.c:258)
[  249.453024][ T4528]  ___sys_sendmsg (net/socket.c:2767)
[  249.453028][ T4528]  ? copy_msghdr_from_user (net/socket.c:2619)
[  249.453048][ T4528]  __sys_sendmsg (net/socket.c:2799)
[  249.453051][ T4528]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  249.453057][ T4528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.453060][ T4528]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  249.453064][ T4528]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  249.453067][ T4528]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  249.453070][ T4528] RIP: 0033:0x7f4598df754e
[  249.453073][ T4528] 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
[  249.453075][ T4528] RSP: 002b:00007fff6f0cd030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  249.453078][ T4528] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4598df754e
[  249.453079][ T4528] RDX: 0000000000000000 RSI: 00007fff6f0cd0e0 RDI: 0000000000000005
[  249.453080][ T4528] RBP: 00007fff6f0cd040 R08: 0000000000000000 R09: 0000000000000000
[  249.453081][ T4528] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915694
[  249.453082][ T4528] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6f0cd7a0
| [  252.488307][ T4589] softirqs last disabled at (389788): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  252.488310][ T4589] Preemption disabled at:
| [  252.488310][ T4589] vprintk_emit (kernel/printk/printk.c:2471)
| [  252.488319][ T4589] Tainted: [W]=WARN
[  252.488320][ T4589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  252.488322][ T4589] Call Trace:
[  252.488323][ T4589]  <TASK>
[  252.488325][ T4589]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  252.488335][ T4589]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  252.488337][ T4589]  __might_resched.cold (kernel/sched/core.c:9234)
[  252.488342][ T4589]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  252.488346][ T4589]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  252.488350][ T4589]  __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))
[  252.488352][ T4589]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  252.488359][ T4589]  ? 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)
[  252.488362][ T4589]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  252.488366][ T4589]  put_chars (drivers/char/virtio_console.c:1176)
[  252.488368][ T4589]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  252.488371][ T4589]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  252.488374][ T4589]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  252.488377][ T4589]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  252.488382][ T4589]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  252.488386][ T4589]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  252.488388][ T4589]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.488389][ T4589]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.488394][ T4589]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  252.488396][ T4589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  252.488400][ T4589]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  252.488404][ T4589]  console_emit_next_record (kernel/printk/printk.c:3183)
[  252.488409][ T4589]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  252.488411][ T4589]  ? 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))
[  252.488414][ T4589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.488416][ T4589]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  252.488420][ T4589]  console_flush_one_record (kernel/printk/printk.c:3268)
[  252.488424][ T4589]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  252.488426][ T4589]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.488432][ T4589]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  252.488435][ T4589]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  252.488437][ T4589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.488438][ T4589]  ? 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)
[  252.488442][ T4589]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  252.488444][ T4589]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  252.488447][ T4589]  vprintk_emit (kernel/printk/printk.c:2479)
[  252.488450][ T4589]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  252.488452][ T4589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  252.488454][ T4589]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  252.488459][ T4589]  _printk (kernel/printk/printk.c:2504)
[  252.488463][ T4589]  ? snapshot_read.cold (user.c:?)
[  252.488464][ T4589]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  252.488470][ T4589]  ? idr_get_free (??:?)
[  252.488475][ T4589]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  252.488484][ T4589]  ? nla_get_range_signed (lib/nlattr.c:270)
[  252.488490][ T4589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.488492][ T4589]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  252.488496][ T4589]  __nla_validate_parse (lib/nlattr.c:635)
[  252.488501][ T4589]  __nla_parse (lib/nlattr.c:732)
[  252.488504][ T4589]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  252.488509][ T4589]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  252.488512][ T4589]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  252.488520][ T4589]  ? security_capable (security/security.c:660 (discriminator 11))
[  252.488525][ T4589]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  252.488529][ T4589]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  252.488531][ T4589]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  252.488534][ T4589]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  252.488542][ T4589]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.488547][ T4589]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  252.488551][ T4589]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  252.488553][ T4589]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  252.488556][ T4589]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  252.488563][ T4589]  ? 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))
[  252.488565][ T4589]  ? 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))
[  252.488569][ T4589]  genl_rcv (net/netlink/genetlink.c:1218)
[  252.488572][ T4589]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  252.488576][ T4589]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  252.488580][ T4589]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.488583][ T4589]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  252.488587][ T4589]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  252.488589][ T4589]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  252.488592][ T4589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  252.488597][ T4589]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  252.488600][ T4589]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  252.488603][ T4589]  __sys_sendto (net/socket.c:2281)
[  252.488607][ T4589]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  252.488617][ T4589]  ? fput_close_sync (fs/file_table.c:617)
[  252.488621][ T4589]  ? alloc_file_clone (fs/file_table.c:479)
[  252.488625][ T4589]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  252.488627][ T4589]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  252.488631][ T4589]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  252.488633][ T4589]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  252.488636][ T4589]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  252.488638][ T4589]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  252.488641][ T4589]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  252.488643][ T4589] RIP: 0033:0x7f6b3ca25312
[  252.488646][ T4589] 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)
[  252.488648][ T4589] RSP: 002b:00007fff06c83828 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  252.488650][ T4589] RAX: ffffffffffffffda RBX: 00007fff06c83958 RCX: 00007f6b3ca25312
[  252.488652][ T4589] RDX: 0000000000000044 RSI: 00007f6b385e2f60 RDI: 0000000000000020
[  252.488653][ T4589] RBP: 00007fff06c83850 R08: 00007fff06c839d0 R09: 000000000000000c
[  252.488654][ T4589] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b3a87e0b0
[  252.488655][ T4589] R13: 00007fff06c83958 R14: 00007f6b3c34401a R15: 00007fff06c83d48
| [  253.745458][ T4637] softirqs last disabled at (379745): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  253.745461][ T4637] Preemption disabled at:
| [  253.745462][ T4637] vprintk_emit (kernel/printk/printk.c:2471)
| [  253.745470][ T4637] Tainted: [W]=WARN
[  253.745472][ T4637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  253.745473][ T4637] Call Trace:
[  253.745475][ T4637]  <TASK>
[  253.745476][ T4637]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  253.745483][ T4637]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  253.745485][ T4637]  __might_resched.cold (kernel/sched/core.c:9234)
[  253.745489][ T4637]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  253.745493][ T4637]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  253.745498][ T4637]  __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))
[  253.745500][ T4637]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  253.745507][ T4637]  ? 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)
[  253.745509][ T4637]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  253.745513][ T4637]  put_chars (drivers/char/virtio_console.c:1176)
[  253.745516][ T4637]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  253.745519][ T4637]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  253.745522][ T4637]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  253.745526][ T4637]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  253.745531][ T4637]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  253.745533][ T4637]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  253.745538][ T4637]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  253.745541][ T4637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  253.745544][ T4637]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  253.745548][ T4637]  console_emit_next_record (kernel/printk/printk.c:3183)
[  253.745552][ T4637]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  253.745554][ T4637]  ? 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))
[  253.745557][ T4637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  253.745559][ T4637]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  253.745563][ T4637]  console_flush_one_record (kernel/printk/printk.c:3268)
[  253.745568][ T4637]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  253.745570][ T4637]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  253.745575][ T4637]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  253.745578][ T4637]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  253.745580][ T4637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  253.745582][ T4637]  ? 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)
[  253.745586][ T4637]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  253.745588][ T4637]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  253.745590][ T4637]  vprintk_emit (kernel/printk/printk.c:2479)
[  253.745594][ T4637]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  253.745599][ T4637]  _printk (kernel/printk/printk.c:2504)
[  253.745603][ T4637]  ? snapshot_read.cold (user.c:?)
[  253.745605][ T4637]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  253.745609][ T4637]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  253.745613][ T4637]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  253.745615][ T4637]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  253.745618][ T4637]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  253.745622][ T4637]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  253.745625][ T4637]  ? netdev_notice (net/core/dev.c:13194)
[  253.745627][ T4637]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  253.745636][ T4637]  ? 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)
[  253.745638][ T4637]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  253.745642][ T4637]  netif_set_promiscuity (net/core/dev.c:9699)
[  253.745646][ T4637]  dev_set_promiscuity (net/core/dev_api.c:288)
[  253.745648][ T4637]  ? dev_disable_lro (net/core/dev_api.c:267)
[  253.745650][ T4637] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  253.745656][ T4637] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  253.745661][ T4637] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  253.745665][ T4637]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  253.745670][ T4637] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  253.745684][ T4637]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  253.745687][ T4637]  ? __nla_validate_parse (lib/nlattr.c:635)
[  253.745693][ T4637]  ? __nla_parse (lib/nlattr.c:732)
[  253.745696][ T4637]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  253.745701][ T4637]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  253.745704][ T4637]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  253.745713][ T4637]  ? security_capable (security/security.c:660 (discriminator 11))
[  253.745718][ T4637]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  253.745722][ T4637]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  253.745724][ T4637]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  253.745726][ T4637]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  253.745731][ T4637]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  253.745736][ T4637]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  253.745740][ T4637]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  253.745742][ T4637]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  253.745745][ T4637]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  253.745752][ T4637]  ? 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))
[  253.745755][ T4637]  ? 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))
[  253.745759][ T4637]  genl_rcv (net/netlink/genetlink.c:1218)
[  253.745761][ T4637]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  253.745765][ T4637]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  253.745767][ T4637]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  253.745772][ T4637]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  253.745776][ T4637]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  253.745780][ T4637]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  253.745782][ T4637]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  253.745785][ T4637]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  253.745790][ T4637]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  253.745793][ T4637]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  253.745797][ T4637]  __sys_sendto (net/socket.c:2281)
[  253.745800][ T4637]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  253.745811][ T4637]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  253.745816][ T4637]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  253.745819][ T4637]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  253.745822][ T4637]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  253.745824][ T4637]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  253.745827][ T4637]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  253.745829][ T4637]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  253.745831][ T4637]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  253.745833][ T4637] RIP: 0033:0x7fc43c553312
[  253.745837][ T4637] 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)
[  253.745839][ T4637] RSP: 002b:00007ffc0272de88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  253.745842][ T4637] RAX: ffffffffffffffda RBX: 00007ffc0272dfb8 RCX: 00007fc43c553312
[  253.745843][ T4637] RDX: 0000000000000030 RSI: 00007fc43816a370 RDI: 0000000000000023
[  253.745844][ T4637] RBP: 00007ffc0272deb0 R08: 00007ffc0272e030 R09: 000000000000000c
[  253.745845][ T4637] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc43a3b6190
[  253.745846][ T4637] R13: 00007ffc0272dfb8 R14: 00007fc43be7201a R15: 00007ffc0272e3a8
| [  254.921020][ T4675] softirqs last disabled at (390254): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  254.921022][ T4675] Preemption disabled at:
| [  254.921022][ T4675] vprintk_emit (kernel/printk/printk.c:2471)
| [  254.921031][ T4675] Tainted: [W]=WARN
[  254.921033][ T4675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  254.921035][ T4675] Call Trace:
[  254.921037][ T4675]  <TASK>
[  254.921040][ T4675]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  254.921048][ T4675]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  254.921050][ T4675]  __might_resched.cold (kernel/sched/core.c:9234)
[  254.921055][ T4675]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  254.921060][ T4675]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  254.921064][ T4675]  __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))
[  254.921066][ T4675]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  254.921073][ T4675]  ? 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)
[  254.921076][ T4675]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  254.921080][ T4675]  put_chars (drivers/char/virtio_console.c:1176)
[  254.921083][ T4675]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  254.921086][ T4675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  254.921089][ T4675]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  254.921094][ T4675]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  254.921098][ T4675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.921100][ T4675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.921105][ T4675]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  254.921109][ T4675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.921111][ T4675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.921115][ T4675]  console_emit_next_record (kernel/printk/printk.c:3183)
[  254.921119][ T4675]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  254.921121][ T4675]  ? 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))
[  254.921125][ T4675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.921126][ T4675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.921130][ T4675]  console_flush_one_record (kernel/printk/printk.c:3268)
[  254.921135][ T4675]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  254.921137][ T4675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.921142][ T4675]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  254.921145][ T4675]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  254.921147][ T4675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.921149][ T4675]  ? 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)
[  254.921153][ T4675]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  254.921155][ T4675]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  254.921158][ T4675]  vprintk_emit (kernel/printk/printk.c:2479)
[  254.921161][ T4675]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  254.921166][ T4675]  _printk (kernel/printk/printk.c:2504)
[  254.921170][ T4675]  ? snapshot_read.cold (user.c:?)
[  254.921173][ T4675]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  254.921176][ T4675]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  254.921181][ T4675]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  254.921183][ T4675]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  254.921186][ T4675]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  254.921190][ T4675]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  254.921193][ T4675]  ? netdev_notice (net/core/dev.c:13194)
[  254.921195][ T4675]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  254.921204][ T4675]  ? 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)
[  254.921207][ T4675]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  254.921210][ T4675]  netif_set_promiscuity (net/core/dev.c:9699)
[  254.921214][ T4675]  dev_set_promiscuity (net/core/dev_api.c:288)
[  254.921216][ T4675]  ? dev_disable_lro (net/core/dev_api.c:267)
[  254.921219][ T4675] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  254.921224][ T4675] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  254.921229][ T4675] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  254.921233][ T4675]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  254.921238][ T4675] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  254.921244][ T4675]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  254.921248][ T4675]  ? __nla_validate_parse (lib/nlattr.c:635)
[  254.921254][ T4675]  ? __nla_parse (lib/nlattr.c:732)
[  254.921256][ T4675]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  254.921261][ T4675]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  254.921265][ T4675]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  254.921273][ T4675]  ? security_capable (security/security.c:660 (discriminator 11))
[  254.921278][ T4675]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  254.921282][ T4675]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  254.921285][ T4675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  254.921287][ T4675]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  254.921291][ T4675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.921297][ T4675]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  254.921300][ T4675]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  254.921302][ T4675]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  254.921306][ T4675]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  254.921313][ T4675]  ? 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))
[  254.921315][ T4675]  ? 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))
[  254.921319][ T4675]  genl_rcv (net/netlink/genetlink.c:1218)
[  254.921321][ T4675]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  254.921326][ T4675]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  254.921332][ T4675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.921336][ T4675]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  254.921340][ T4675]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  254.921342][ T4675]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  254.921345][ T4675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  254.921350][ T4675]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  254.921354][ T4675]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  254.921358][ T4675]  __sys_sendto (net/socket.c:2281)
[  254.921361][ T4675]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  254.921367][ T4675]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  254.921375][ T4675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  254.921379][ T4675]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  254.921381][ T4675]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  254.921385][ T4675]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  254.921389][ T4675]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  254.921391][ T4675]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  254.921393][ T4675]  ? irq_exit_rcu (kernel/softirq.c:786)
[  254.921398][ T4675]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  254.921400][ T4675] RIP: 0033:0x7f2540774312
[  254.921404][ T4675] 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)
[  254.921406][ T4675] RSP: 002b:00007ffc2dd92468 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  254.921409][ T4675] RAX: ffffffffffffffda RBX: 00007ffc2dd92598 RCX: 00007f2540774312
[  254.921410][ T4675] RDX: 0000000000000030 RSI: 00007f253c392770 RDI: 0000000000000023
[  254.921411][ T4675] RBP: 00007ffc2dd92490 R08: 00007ffc2dd92610 R09: 000000000000000c
[  254.921412][ T4675] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f253e5de270
[  254.921413][ T4675] R13: 00007ffc2dd92598 R14: 00007f254009301a R15: 00007ffc2dd92988
| [  265.130549][ T4864] softirqs last disabled at (27560): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  265.130552][ T4864] Preemption disabled at:
| [  265.130552][ T4864] vprintk_emit (kernel/printk/printk.c:2471)
| [  265.130561][ T4864] Tainted: [W]=WARN
[  265.130562][ T4864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  265.130563][ T4864] Call Trace:
[  265.130565][ T4864]  <TASK>
[  265.130567][ T4864]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  265.130573][ T4864]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  265.130574][ T4864]  __might_resched.cold (kernel/sched/core.c:9234)
[  265.130579][ T4864]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  265.130583][ T4864]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  265.130588][ T4864]  __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))
[  265.130590][ T4864]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  265.130597][ T4864]  ? 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)
[  265.130599][ T4864]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  265.130603][ T4864]  put_chars (drivers/char/virtio_console.c:1176)
[  265.130605][ T4864]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  265.130608][ T4864]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  265.130611][ T4864]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  265.130614][ T4864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  265.130617][ T4864]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  265.130621][ T4864]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  265.130625][ T4864]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  265.130627][ T4864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.130628][ T4864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.130633][ T4864]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  265.130635][ T4864]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  265.130639][ T4864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.130641][ T4864]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  265.130645][ T4864]  console_emit_next_record (kernel/printk/printk.c:3183)
[  265.130649][ T4864]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  265.130651][ T4864]  ? 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))
[  265.130654][ T4864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.130656][ T4864]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  265.130660][ T4864]  console_flush_one_record (kernel/printk/printk.c:3268)
[  265.130664][ T4864]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  265.130667][ T4864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.130672][ T4864]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  265.130675][ T4864]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  265.130677][ T4864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.130679][ T4864]  ? 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)
[  265.130683][ T4864]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  265.130685][ T4864]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  265.130687][ T4864]  vprintk_emit (kernel/printk/printk.c:2479)
[  265.130691][ T4864]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  265.130693][ T4864]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  265.130697][ T4864]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  265.130706][ T4864]  _printk (kernel/printk/printk.c:2504)
[  265.130709][ T4864]  ? snapshot_read.cold (user.c:?)
[  265.130714][ T4864]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  265.130718][ T4864]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  265.130721][ T4864]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  265.130724][ T4864]  ? netdev_notice (net/core/dev.c:13194)
[  265.130726][ T4864]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  265.130730][ T4864]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  265.130740][ T4864]  ? 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)
[  265.130743][ T4864]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  265.130746][ T4864]  netif_set_promiscuity (net/core/dev.c:9699)
[  265.130750][ T4864]  dev_set_promiscuity (net/core/dev_api.c:288)
[  265.130752][ T4864]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  265.130756][ T4864] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  265.130762][ T4864] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  265.130767][ T4864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.130770][ T4864]  notifier_call_chain (kernel/notifier.c:85)
[  265.130776][ T4864]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  265.130781][ T4864]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  265.130788][ T4864]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  265.130790][ T4864]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  265.130792][ T4864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.130794][ T4864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.130796][ T4864]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  265.130818][ T4864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  265.130820][ T4864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  265.130823][ T4864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  265.130825][ T4864]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  265.130827][ T4864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.130832][ T4864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  265.130834][ T4864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  265.130836][ T4864]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  265.130838][ T4864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  265.130841][ T4864]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  265.130844][ T4864]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  265.130847][ T4864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  265.130848][ T4864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.130853][ T4864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  265.130855][ T4864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  265.130858][ T4864]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  265.130861][ T4864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  265.130864][ T4864]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  265.130871][ T4864]  ? 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))
[  265.130873][ T4864]  ? 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))
[  265.130877][ T4864]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  265.130881][ T4864]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  265.130884][ T4864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  265.130888][ T4864]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  265.130892][ T4864]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  265.130896][ T4864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  265.130898][ T4864]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  265.130904][ T4864]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  265.130908][ T4864]  ____sys_sendmsg (net/socket.c:2713)
[  265.130910][ T4864]  ? copy_msghdr_from_user (net/socket.c:2650)
[  265.130912][ T4864]  ? sock_write_iter (net/socket.c:1269)
[  265.130914][ T4864]  ? move_addr_to_kernel (net/socket.c:258)
[  265.130921][ T4864]  ___sys_sendmsg (net/socket.c:2767)
[  265.130924][ T4864]  ? copy_msghdr_from_user (net/socket.c:2619)
[  265.130940][ T4864]  __sys_sendmsg (net/socket.c:2799)
[  265.130943][ T4864]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  265.130950][ T4864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.130953][ T4864]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  265.130957][ T4864]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  265.130960][ T4864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  265.130962][ T4864] RIP: 0033:0x7f8f26fb854e
[  265.130965][ T4864] 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
[  265.130967][ T4864] RSP: 002b:00007fff4799b0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  265.130970][ T4864] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8f26fb854e
[  265.130972][ T4864] RDX: 0000000000000000 RSI: 00007fff4799b170 RDI: 0000000000000005
[  265.130973][ T4864] RBP: 00007fff4799b0d0 R08: 0000000000000000 R09: 0000000000000000
[  265.130974][ T4864] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156a4
[  265.130975][ T4864] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4799b830
| [  268.063605][ T4921] softirqs last disabled at (394534): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  268.063607][ T4921] Preemption disabled at:
| [  268.063608][ T4921] vprintk_emit (kernel/printk/printk.c:2471)
| [  268.063616][ T4921] Tainted: [W]=WARN
[  268.063617][ T4921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  268.063619][ T4921] Call Trace:
[  268.063621][ T4921]  <TASK>
[  268.063622][ T4921]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  268.063628][ T4921]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  268.063630][ T4921]  __might_resched.cold (kernel/sched/core.c:9234)
[  268.063635][ T4921]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  268.063639][ T4921]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  268.063644][ T4921]  __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))
[  268.063646][ T4921]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  268.063653][ T4921]  ? 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)
[  268.063656][ T4921]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  268.063660][ T4921]  put_chars (drivers/char/virtio_console.c:1176)
[  268.063662][ T4921]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  268.063669][ T4921]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  268.063677][ T4921]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  268.063680][ T4921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.063685][ T4921]  console_emit_next_record (kernel/printk/printk.c:3183)
[  268.063689][ T4921]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  268.063691][ T4921]  ? 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))
[  268.063694][ T4921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.063697][ T4921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.063701][ T4921]  console_flush_one_record (kernel/printk/printk.c:3268)
[  268.063705][ T4921]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  268.063708][ T4921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.063713][ T4921]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  268.063716][ T4921]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  268.063718][ T4921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.063720][ T4921]  ? 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)
[  268.063724][ T4921]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  268.063726][ T4921]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  268.063729][ T4921]  vprintk_emit (kernel/printk/printk.c:2479)
[  268.063732][ T4921]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  268.063733][ T4921]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  268.063736][ T4921]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  268.063739][ T4921]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  268.063741][ T4921]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  268.063746][ T4921]  _printk (kernel/printk/printk.c:2504)
[  268.063756][ T4921]  ? snapshot_read.cold (user.c:?)
[  268.063760][ T4921]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  268.063764][ T4921]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  268.063768][ T4921]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  268.063771][ T4921]  ? netdev_notice (net/core/dev.c:13194)
[  268.063774][ T4921]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  268.063777][ T4921]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  268.063782][ T4921]  ? register_netdevice (net/core/dev.c:11556)
[  268.063785][ T4921]  ? 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)
[  268.063788][ T4921]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  268.063790][ T4921]  ? unregister_netdev (net/core/dev.c:12699)
[  268.063792][ T4921]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  268.063795][ T4921]  netif_set_promiscuity (net/core/dev.c:9699)
[  268.063799][ T4921]  dev_set_promiscuity (net/core/dev_api.c:288)
[  268.063802][ T4921] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  268.063808][ T4921] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  268.063813][ T4921] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  268.063819][ T4921] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  268.063826][ T4921]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  268.063830][ T4921]  ? __nla_validate_parse (lib/nlattr.c:635)
[  268.063836][ T4921]  ? __nla_parse (lib/nlattr.c:732)
[  268.063838][ T4921]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  268.063844][ T4921]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  268.063847][ T4921]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  268.063856][ T4921]  ? security_capable (security/security.c:660 (discriminator 11))
[  268.063860][ T4921]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  268.063864][ T4921]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  268.063867][ T4921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  268.063870][ T4921]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  268.063874][ T4921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.063880][ T4921]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  268.063883][ T4921]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  268.063885][ T4921]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  268.063889][ T4921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  268.063896][ T4921]  ? 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))
[  268.063899][ T4921]  ? 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))
[  268.063903][ T4921]  genl_rcv (net/netlink/genetlink.c:1218)
[  268.063905][ T4921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  268.063910][ T4921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  268.063913][ T4921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.063917][ T4921]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  268.063921][ T4921]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  268.063923][ T4921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  268.063926][ T4921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  268.063931][ T4921]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  268.063934][ T4921]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  268.063938][ T4921]  __sys_sendto (net/socket.c:2281)
[  268.063941][ T4921]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  268.063952][ T4921]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  268.063958][ T4921]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  268.063960][ T4921]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  268.063964][ T4921]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  268.063965][ T4921]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  268.063968][ T4921]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  268.063970][ T4921]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  268.063973][ T4921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  268.063975][ T4921] RIP: 0033:0x7eff4bca4312
[  268.063979][ T4921] 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)
[  268.063981][ T4921] RSP: 002b:00007fff28f564b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  268.063983][ T4921] RAX: ffffffffffffffda RBX: 00007fff28f565e8 RCX: 00007eff4bca4312
[  268.063985][ T4921] RDX: 0000000000000034 RSI: 00007eff480b29b0 RDI: 0000000000000020
[  268.063985][ T4921] RBP: 00007fff28f564e0 R08: 00007fff28f56660 R09: 000000000000000c
[  268.063986][ T4921] R10: 0000000000000000 R11: 0000000000000246 R12: 00007eff49b0e120
[  268.063987][ T4921] R13: 00007fff28f565e8 R14: 00007eff4b5c301a R15: 00007fff28f569d8
| [  269.500877][ T4971] softirqs last disabled at (405092): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  269.500880][ T4971] Preemption disabled at:
| [  269.500880][ T4971] vprintk_emit (kernel/printk/printk.c:2471)
| [  269.500889][ T4971] Tainted: [W]=WARN
[  269.500890][ T4971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  269.500891][ T4971] Call Trace:
[  269.500893][ T4971]  <TASK>
[  269.500895][ T4971]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  269.500902][ T4971]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  269.500903][ T4971]  __might_resched.cold (kernel/sched/core.c:9234)
[  269.500908][ T4971]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  269.500912][ T4971]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  269.500917][ T4971]  __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))
[  269.500919][ T4971]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  269.500926][ T4971]  ? 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)
[  269.500929][ T4971]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  269.500933][ T4971]  put_chars (drivers/char/virtio_console.c:1176)
[  269.500936][ T4971]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  269.500939][ T4971]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  269.500942][ T4971]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  269.500947][ T4971]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  269.500951][ T4971]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.500953][ T4971]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.500957][ T4971]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  269.500961][ T4971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  269.500963][ T4971]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  269.500968][ T4971]  console_emit_next_record (kernel/printk/printk.c:3183)
[  269.500972][ T4971]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  269.500974][ T4971]  ? 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))
[  269.500977][ T4971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  269.500979][ T4971]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  269.500984][ T4971]  console_flush_one_record (kernel/printk/printk.c:3268)
[  269.500988][ T4971]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  269.500990][ T4971]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.500996][ T4971]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  269.500998][ T4971]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  269.501000][ T4971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  269.501002][ T4971]  ? 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)
[  269.501006][ T4971]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  269.501008][ T4971]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  269.501011][ T4971]  vprintk_emit (kernel/printk/printk.c:2479)
[  269.501014][ T4971]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  269.501020][ T4971]  _printk (kernel/printk/printk.c:2504)
[  269.501024][ T4971]  ? snapshot_read.cold (user.c:?)
[  269.501027][ T4971]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  269.501030][ T4971]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  269.501034][ T4971]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  269.501036][ T4971]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  269.501040][ T4971]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  269.501044][ T4971]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  269.501047][ T4971]  ? netdev_notice (net/core/dev.c:13194)
[  269.501049][ T4971]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  269.501058][ T4971]  ? 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)
[  269.501061][ T4971]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  269.501065][ T4971]  netif_set_promiscuity (net/core/dev.c:9699)
[  269.501069][ T4971]  dev_set_promiscuity (net/core/dev_api.c:288)
[  269.501071][ T4971]  ? dev_disable_lro (net/core/dev_api.c:267)
[  269.501073][ T4971] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  269.501079][ T4971] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  269.501084][ T4971] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  269.501089][ T4971]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  269.501094][ T4971] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  269.501100][ T4971]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  269.501103][ T4971]  ? __nla_validate_parse (lib/nlattr.c:635)
[  269.501110][ T4971]  ? __nla_parse (lib/nlattr.c:732)
[  269.501112][ T4971]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  269.501117][ T4971]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  269.501121][ T4971]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  269.501129][ T4971]  ? security_capable (security/security.c:660 (discriminator 11))
[  269.501134][ T4971]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  269.501138][ T4971]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  269.501141][ T4971]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  269.501143][ T4971]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  269.501147][ T4971]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.501153][ T4971]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  269.501156][ T4971]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  269.501158][ T4971]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  269.501162][ T4971]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  269.501169][ T4971]  ? 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))
[  269.501172][ T4971]  ? 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))
[  269.501176][ T4971]  genl_rcv (net/netlink/genetlink.c:1218)
[  269.501178][ T4971]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  269.501182][ T4971]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  269.501184][ T4971]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  269.501189][ T4971]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.501193][ T4971]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  269.501197][ T4971]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  269.501199][ T4971]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  269.501202][ T4971]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  269.501207][ T4971]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  269.501210][ T4971]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  269.501214][ T4971]  __sys_sendto (net/socket.c:2281)
[  269.501218][ T4971]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  269.501223][ T4971]  ? do_futex (kernel/futex/syscalls.c:133)
[  269.501227][ T4971]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  269.501233][ T4971]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  269.501240][ T4971]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  269.501243][ T4971]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  269.501246][ T4971]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  269.501249][ T4971]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  269.501252][ T4971]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  269.501254][ T4971]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  269.501257][ T4971]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  269.501259][ T4971] RIP: 0033:0x7f420fa3d312
[  269.501263][ T4971] 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)
[  269.501265][ T4971] RSP: 002b:00007ffcac77c388 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  269.501268][ T4971] RAX: ffffffffffffffda RBX: 00007ffcac77c4b8 RCX: 00007f420fa3d312
[  269.501269][ T4971] RDX: 0000000000000030 RSI: 00007f420c5ebfb0 RDI: 0000000000000023
[  269.501270][ T4971] RBP: 00007ffcac77c3b0 R08: 00007ffcac77c530 R09: 000000000000000c
[  269.501271][ T4971] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f420d8962e0
[  269.501272][ T4971] R13: 00007ffcac77c4b8 R14: 00007f420f35c01a R15: 00007ffcac77c8a8
| [  271.561576][ T5065] softirqs last disabled at (383160): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  271.561578][ T5065] Preemption disabled at:
| [  271.561579][ T5065] vprintk_emit (kernel/printk/printk.c:2471)
| [  271.561588][ T5065] Tainted: [W]=WARN
[  271.561589][ T5065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  271.561591][ T5065] Call Trace:
[  271.561592][ T5065]  <TASK>
[  271.561594][ T5065]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  271.561600][ T5065]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  271.561602][ T5065]  __might_resched.cold (kernel/sched/core.c:9234)
[  271.561606][ T5065]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  271.561611][ T5065]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  271.561615][ T5065]  __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))
[  271.561617][ T5065]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  271.561624][ T5065]  ? 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)
[  271.561627][ T5065]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  271.561631][ T5065]  put_chars (drivers/char/virtio_console.c:1176)
[  271.561634][ T5065]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  271.561635][ T5065]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  271.561639][ T5065]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  271.561644][ T5065]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  271.561652][ T5065]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  271.561655][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  271.561657][ T5065]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  271.561661][ T5065]  console_emit_next_record (kernel/printk/printk.c:3183)
[  271.561666][ T5065]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  271.561668][ T5065]  ? 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))
[  271.561671][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  271.561673][ T5065]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  271.561677][ T5065]  console_flush_one_record (kernel/printk/printk.c:3268)
[  271.561681][ T5065]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  271.561683][ T5065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  271.561689][ T5065]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  271.561692][ T5065]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  271.561694][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  271.561695][ T5065]  ? 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)
[  271.561699][ T5065]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  271.561701][ T5065]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  271.561704][ T5065]  vprintk_emit (kernel/printk/printk.c:2479)
[  271.561708][ T5065]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  271.561710][ T5065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  271.561715][ T5065]  _printk (kernel/printk/printk.c:2504)
[  271.561719][ T5065]  ? snapshot_read.cold (user.c:?)
[  271.561721][ T5065]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  271.561727][ T5065]  ? idr_get_free (??:?)
[  271.561729][ T5065]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  271.561739][ T5065] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  271.561747][ T5065]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  271.561751][ T5065]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  271.561754][ T5065]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  271.561756][ T5065]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  271.561758][ T5065]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  271.561761][ T5065]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  271.561763][ T5065]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  271.561765][ T5065]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  271.561774][ T5065]  ? __sys_sendto (net/socket.c:2281)
[  271.561776][ T5065]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  271.561796][ T5065]  ? __nla_parse (lib/nlattr.c:732)
[  271.561800][ T5065]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  271.561805][ T5065]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  271.561809][ T5065]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  271.561817][ T5065]  ? security_capable (security/security.c:660 (discriminator 11))
[  271.561821][ T5065]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  271.561825][ T5065]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  271.561828][ T5065]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  271.561831][ T5065]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  271.561835][ T5065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  271.561841][ T5065]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  271.561844][ T5065]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  271.561847][ T5065]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  271.561850][ T5065]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  271.561857][ T5065]  ? 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))
[  271.561860][ T5065]  ? 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))
[  271.561864][ T5065]  genl_rcv (net/netlink/genetlink.c:1218)
[  271.561866][ T5065]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  271.561870][ T5065]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  271.561874][ T5065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  271.561877][ T5065]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  271.561881][ T5065]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  271.561883][ T5065]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  271.561886][ T5065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  271.561891][ T5065]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  271.561893][ T5065]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  271.561897][ T5065]  __sys_sendto (net/socket.c:2281)
[  271.561900][ T5065]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  271.561906][ T5065]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  271.561914][ T5065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  271.561917][ T5065]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  271.561920][ T5065]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  271.561924][ T5065]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  271.561926][ T5065]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  271.561929][ T5065]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  271.561931][ T5065]  ? irq_exit_rcu (kernel/softirq.c:786)
[  271.561935][ T5065]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  271.561937][ T5065] RIP: 0033:0x7f9a54d7b312
[  271.561941][ T5065] 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)
[  271.561943][ T5065] RSP: 002b:00007ffeba05b9c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  271.561946][ T5065] RAX: ffffffffffffffda RBX: 00007ffeba05baf8 RCX: 00007f9a54d7b312
[  271.561947][ T5065] RDX: 00000000000000c4 RSI: 00007f9a52adc030 RDI: 0000000000000026
[  271.561948][ T5065] RBP: 00007ffeba05b9f0 R08: 00007ffeba05bb70 R09: 000000000000000c
[  271.561949][ T5065] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a52bde430
[  271.561950][ T5065] R13: 00007ffeba05baf8 R14: 00007f9a5469a01a R15: 00007ffeba05bee8
| [  273.324309][ T5111] softirqs last disabled at (403174): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  273.324312][ T5111] Preemption disabled at:
| [  273.324312][ T5111] vprintk_emit (kernel/printk/printk.c:2471)
| [  273.324321][ T5111] Tainted: [W]=WARN
[  273.324322][ T5111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  273.324323][ T5111] Call Trace:
[  273.324325][ T5111]  <TASK>
[  273.324327][ T5111]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  273.324336][ T5111]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  273.324338][ T5111]  __might_resched.cold (kernel/sched/core.c:9234)
[  273.324343][ T5111]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  273.324347][ T5111]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  273.324352][ T5111]  __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))
[  273.324354][ T5111]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  273.324360][ T5111]  ? 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)
[  273.324363][ T5111]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  273.324367][ T5111]  put_chars (drivers/char/virtio_console.c:1176)
[  273.324369][ T5111]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  273.324371][ T5111]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  273.324374][ T5111]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  273.324380][ T5111]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  273.324388][ T5111]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  273.324390][ T5111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  273.324393][ T5111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  273.324397][ T5111]  console_emit_next_record (kernel/printk/printk.c:3183)
[  273.324401][ T5111]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  273.324403][ T5111]  ? 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))
[  273.324406][ T5111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  273.324408][ T5111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  273.324412][ T5111]  console_flush_one_record (kernel/printk/printk.c:3268)
[  273.324416][ T5111]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  273.324418][ T5111]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.324424][ T5111]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  273.324427][ T5111]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  273.324429][ T5111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  273.324431][ T5111]  ? 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)
[  273.324434][ T5111]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  273.324436][ T5111]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  273.324439][ T5111]  vprintk_emit (kernel/printk/printk.c:2479)
[  273.324443][ T5111]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  273.324445][ T5111]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  273.324449][ T5111]  _printk (kernel/printk/printk.c:2504)
[  273.324453][ T5111]  ? snapshot_read.cold (user.c:?)
[  273.324455][ T5111]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  273.324461][ T5111]  ? idr_get_free (??:?)
[  273.324464][ T5111]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  273.324473][ T5111] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  273.324481][ T5111]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  273.324485][ T5111]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  273.324488][ T5111]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  273.324490][ T5111]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  273.324492][ T5111]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  273.324495][ T5111]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  273.324497][ T5111]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  273.324498][ T5111]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  273.324501][ T5111]  ? __sys_sendto (net/socket.c:2281)
[  273.324504][ T5111]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  273.324523][ T5111]  ? __nla_parse (lib/nlattr.c:732)
[  273.324527][ T5111]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  273.324532][ T5111]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  273.324536][ T5111]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  273.324544][ T5111]  ? security_capable (security/security.c:660 (discriminator 11))
[  273.324548][ T5111]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  273.324552][ T5111]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  273.324555][ T5111]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  273.324558][ T5111]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  273.324562][ T5111]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.324568][ T5111]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  273.324571][ T5111]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  273.324573][ T5111]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  273.324577][ T5111]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  273.324584][ T5111]  ? 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))
[  273.324586][ T5111]  ? 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))
[  273.324590][ T5111]  genl_rcv (net/netlink/genetlink.c:1218)
[  273.324592][ T5111]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  273.324596][ T5111]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  273.324600][ T5111]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.324603][ T5111]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  273.324607][ T5111]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  273.324609][ T5111]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  273.324612][ T5111]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  273.324617][ T5111]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  273.324619][ T5111]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  273.324623][ T5111]  __sys_sendto (net/socket.c:2281)
[  273.324625][ T5111]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  273.324636][ T5111]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  273.324642][ T5111]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  273.324644][ T5111]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  273.324648][ T5111]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  273.324649][ T5111]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  273.324652][ T5111]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  273.324654][ T5111]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  273.324656][ T5111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  273.324659][ T5111] RIP: 0033:0x7fd6736ac312
[  273.324663][ T5111] 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)
[  273.324665][ T5111] RSP: 002b:00007ffd66b7e718 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  273.324667][ T5111] RAX: ffffffffffffffda RBX: 00007ffd66b7e848 RCX: 00007fd6736ac312
[  273.324669][ T5111] RDX: 00000000000000a4 RSI: 00007fd671393930 RDI: 0000000000000026
[  273.324670][ T5111] RBP: 00007ffd66b7e740 R08: 00007ffd66b7e8c0 R09: 000000000000000c
[  273.324670][ T5111] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd671516350
[  273.324671][ T5111] R13: 00007ffd66b7e848 R14: 00007fd672fcb01a R15: 00007ffd66b7ec38
| [  278.676298][ T5252] softirqs last disabled at (25441): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  278.676301][ T5252] Preemption disabled at:
| [  278.676301][ T5252] vprintk_emit (kernel/printk/printk.c:2471)
| [  278.676310][ T5252] Tainted: [W]=WARN
[  278.676311][ T5252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  278.676313][ T5252] Call Trace:
[  278.676314][ T5252]  <TASK>
[  278.676316][ T5252]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  278.676322][ T5252]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  278.676324][ T5252]  __might_resched.cold (kernel/sched/core.c:9234)
[  278.676331][ T5252]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  278.676336][ T5252]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  278.676340][ T5252]  __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))
[  278.676342][ T5252]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  278.676349][ T5252]  ? 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)
[  278.676352][ T5252]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  278.676356][ T5252]  put_chars (drivers/char/virtio_console.c:1176)
[  278.676357][ T5252]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  278.676360][ T5252]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  278.676363][ T5252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  278.676366][ T5252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  278.676369][ T5252]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  278.676373][ T5252]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  278.676377][ T5252]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  278.676379][ T5252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.676381][ T5252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.676385][ T5252]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  278.676387][ T5252]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  278.676391][ T5252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.676393][ T5252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  278.676397][ T5252]  console_emit_next_record (kernel/printk/printk.c:3183)
[  278.676401][ T5252]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  278.676403][ T5252]  ? 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))
[  278.676406][ T5252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.676408][ T5252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  278.676412][ T5252]  console_flush_one_record (kernel/printk/printk.c:3268)
[  278.676416][ T5252]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  278.676418][ T5252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.676424][ T5252]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  278.676426][ T5252]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  278.676429][ T5252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.676430][ T5252]  ? 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)
[  278.676434][ T5252]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  278.676436][ T5252]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  278.676439][ T5252]  vprintk_emit (kernel/printk/printk.c:2479)
[  278.676442][ T5252]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  278.676444][ T5252]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  278.676447][ T5252]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  278.676456][ T5252]  _printk (kernel/printk/printk.c:2504)
[  278.676460][ T5252]  ? snapshot_read.cold (user.c:?)
[  278.676464][ T5252]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  278.676468][ T5252]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  278.676472][ T5252]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  278.676475][ T5252]  ? netdev_notice (net/core/dev.c:13194)
[  278.676477][ T5252]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  278.676482][ T5252]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  278.676487][ T5252]  ? 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)
[  278.676489][ T5252]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  278.676493][ T5252]  netif_set_promiscuity (net/core/dev.c:9699)
[  278.676497][ T5252]  dev_set_promiscuity (net/core/dev_api.c:288)
[  278.676499][ T5252]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  278.676503][ T5252] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  278.676510][ T5252] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  278.676514][ T5252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.676517][ T5252]  notifier_call_chain (kernel/notifier.c:85)
[  278.676522][ T5252]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  278.676527][ T5252]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  278.676534][ T5252]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  278.676536][ T5252]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  278.676538][ T5252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.676540][ T5252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.676542][ T5252]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  278.676564][ T5252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  278.676566][ T5252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  278.676569][ T5252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  278.676571][ T5252]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  278.676573][ T5252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.676578][ T5252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  278.676580][ T5252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  278.676582][ T5252]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  278.676584][ T5252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  278.676588][ T5252]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  278.676590][ T5252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  278.676593][ T5252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  278.676595][ T5252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.676599][ T5252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  278.676601][ T5252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  278.676605][ T5252]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  278.676608][ T5252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  278.676611][ T5252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  278.676618][ T5252]  ? 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))
[  278.676620][ T5252]  ? 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))
[  278.676624][ T5252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  278.676628][ T5252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  278.676631][ T5252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  278.676635][ T5252]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  278.676640][ T5252]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  278.676644][ T5252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  278.676645][ T5252]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  278.676651][ T5252]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  278.676655][ T5252]  ____sys_sendmsg (net/socket.c:2713)
[  278.676657][ T5252]  ? copy_msghdr_from_user (net/socket.c:2650)
[  278.676660][ T5252]  ? sock_write_iter (net/socket.c:1269)
[  278.676662][ T5252]  ? move_addr_to_kernel (net/socket.c:258)
[  278.676669][ T5252]  ___sys_sendmsg (net/socket.c:2767)
[  278.676672][ T5252]  ? copy_msghdr_from_user (net/socket.c:2619)
[  278.676687][ T5252]  __sys_sendmsg (net/socket.c:2799)
[  278.676690][ T5252]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  278.676697][ T5252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.676700][ T5252]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  278.676704][ T5252]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  278.676707][ T5252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  278.676709][ T5252] RIP: 0033:0x7fae2913354e
[  278.676713][ T5252] 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
[  278.676715][ T5252] RSP: 002b:00007ffe2176dcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  278.676718][ T5252] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fae2913354e
[  278.676719][ T5252] RDX: 0000000000000000 RSI: 00007ffe2176dda0 RDI: 0000000000000005
[  278.676720][ T5252] RBP: 00007ffe2176dd00 R08: 0000000000000000 R09: 0000000000000000
[  278.676721][ T5252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156b1


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