======================================
| [   10.113341][  T180] softirqs last disabled at (96459): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.113343][  T180] Preemption disabled at:
| [   10.113343][  T180] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.113351][  T180] Tainted: [W]=WARN
[   10.113352][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.113354][  T180] Call Trace:
[   10.113355][  T180]  <TASK>
[   10.113357][  T180]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.113362][  T180]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.113363][  T180]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.113367][  T180]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.113371][  T180]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.113375][  T180]  __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))
[   10.113377][  T180]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.113384][  T180]  ? 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)
[   10.113386][  T180]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.113390][  T180]  put_chars (drivers/char/virtio_console.c:1176)
[   10.113393][  T180]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.113395][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.113398][  T180]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.113401][  T180]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.113405][  T180]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.113408][  T180]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.113410][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.113412][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.113416][  T180]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.113418][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.113422][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.113426][  T180]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.113430][  T180]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.113431][  T180]  ? 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))
[   10.113435][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.113436][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.113440][  T180]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.113444][  T180]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.113446][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.113451][  T180]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.113454][  T180]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.113455][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.113457][  T180]  ? 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)
[   10.113461][  T180]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.113462][  T180]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.113465][  T180]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.113468][  T180]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.113473][  T180]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   10.113476][  T180]  _printk (kernel/printk/printk.c:2504)
[   10.113480][  T180]  ? snapshot_read.cold (user.c:?)
[   10.113485][  T180]  ? 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)
[   10.113489][  T180] dp_init (net/openvswitch/actions.c:729) openvswitch
[   10.113497][  T180]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   10.113499][  T180]  do_one_initcall (init/main.c:1357)
[   10.113502][  T180]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.113506][  T180]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.113509][  T180]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.113514][  T180]  do_init_module (kernel/module/main.c:3117)
[   10.113521][  T180]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.113525][  T180]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.113528][  T180]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.113531][  T180]  load_module (kernel/module/main.c:3593)
[   10.113536][  T180]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   10.113541][  T180]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.113544][  T180]  ? __ia32_sys_fsconfig (??:?)
[   10.113548][  T180]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.113551][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.113554][  T180]  init_module_from_file (kernel/module/main.c:3790)
[   10.113557][  T180]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.113564][  T180]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.113567][  T180]  ? 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)
[   10.113570][  T180]  idempotent_init_module (kernel/module/main.c:3802)
[   10.113573][  T180]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.113578][  T180]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.113581][  T180]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   10.113586][  T180]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.113587][  T180]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.113591][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.113594][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.113596][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.113599][  T180] RIP: 0033:0x7f6364a5137d
[   10.113602][  T180] 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
[   10.113603][  T180] RSP: 002b:00007ffc975455f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.113606][  T180] RAX: ffffffffffffffda RBX: 000055811c1c3810 RCX: 00007f6364a5137d
[   10.113607][  T180] RDX: 0000000000000000 RSI: 00005581074aeffd RDI: 0000000000000005
[   10.113608][  T180] RBP: 00007ffc97545690 R08: 0000000000000000 R09: 646f6d2f62696c2f
[   10.113609][  T180] R10: 0000000000000000 R11: 0000000000000246 R12: 00005581074aeffd
[   10.113609][  T180] R13: 000055811c1c3a90 R14: 0000000000040000 R15: 0000000000000000
| [   11.578182][  T213] softirqs last disabled at (392315): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.578185][  T213] Preemption disabled at:
| [   11.578185][  T213] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.578193][  T213] Tainted: [W]=WARN
[   11.578194][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.578196][  T213] Call Trace:
[   11.578198][  T213]  <TASK>
[   11.578199][  T213]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.578205][  T213]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.578207][  T213]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.578211][  T213]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.578215][  T213]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.578219][  T213]  __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))
[   11.578221][  T213]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.578227][  T213]  ? 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)
[   11.578230][  T213]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.578234][  T213]  put_chars (drivers/char/virtio_console.c:1176)
[   11.578236][  T213]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.578237][  T213]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.578242][  T213]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.578245][  T213]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.578249][  T213]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.578251][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.578253][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.578257][  T213]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.578259][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.578263][  T213]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.578266][  T213]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.578270][  T213]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.578272][  T213]  ? 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))
[   11.578275][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.578277][  T213]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.578281][  T213]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.578285][  T213]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.578287][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.578292][  T213]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.578294][  T213]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.578296][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.578298][  T213]  ? 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)
[   11.578301][  T213]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.578303][  T213]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.578305][  T213]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.578308][  T213]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.578310][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.578312][  T213]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   11.578316][  T213]  _printk (kernel/printk/printk.c:2504)
[   11.578319][  T213]  ? snapshot_read.cold (user.c:?)
[   11.578321][  T213]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   11.578326][  T213]  ? idr_get_free (??:?)
[   11.578331][  T213]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   11.578338][  T213]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.578344][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.578345][  T213]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.578349][  T213]  __nla_validate_parse (lib/nlattr.c:635)
[   11.578353][  T213]  __nla_parse (lib/nlattr.c:732)
[   11.578356][  T213]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   11.578361][  T213]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   11.578364][  T213]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   11.578371][  T213]  ? security_capable (security/security.c:660 (discriminator 11))
[   11.578376][  T213]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   11.578379][  T213]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   11.578382][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.578385][  T213]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   11.578392][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.578397][  T213]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   11.578401][  T213]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.578402][  T213]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   11.578406][  T213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.578412][  T213]  ? 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))
[   11.578414][  T213]  ? 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))
[   11.578418][  T213]  genl_rcv (net/netlink/genetlink.c:1218)
[   11.578420][  T213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.578424][  T213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.578427][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.578431][  T213]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.578435][  T213]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.578436][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.578439][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.578444][  T213]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.578447][  T213]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   11.578451][  T213]  __sys_sendto (net/socket.c:2281)
[   11.578454][  T213]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.578464][  T213]  ? fput_close_sync (fs/file_table.c:617)
[   11.578467][  T213]  ? alloc_file_clone (fs/file_table.c:479)
[   11.578471][  T213]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.578473][  T213]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.578477][  T213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.578479][  T213]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.578481][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.578483][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.578485][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.578487][  T213] RIP: 0033:0x7f6a78daf312
[   11.578491][  T213] 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)
[   11.578493][  T213] RSP: 002b:00007ffd70bcdd88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.578495][  T213] RAX: ffffffffffffffda RBX: 00007ffd70bcdeb8 RCX: 00007f6a78daf312
[   11.578497][  T213] RDX: 0000000000000044 RSI: 00007f6a7497f0f0 RDI: 0000000000000020
[   11.578497][  T213] RBP: 00007ffd70bcddb0 R08: 00007ffd70bcdf30 R09: 000000000000000c
[   11.578498][  T213] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a76c12120
[   11.578499][  T213] R13: 00007ffd70bcdeb8 R14: 00007f6a786ce01a R15: 00007ffd70bce2a8
| [   12.772584][  T261] softirqs last disabled at (386632): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   12.772586][  T261] Preemption disabled at:
| [   12.772586][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.772595][  T261] Tainted: [W]=WARN
[   12.772596][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.772597][  T261] Call Trace:
[   12.772599][  T261]  <TASK>
[   12.772600][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.772606][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.772608][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.772613][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.772617][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.772621][  T261]  __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))
[   12.772623][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.772629][  T261]  ? 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)
[   12.772632][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.772636][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   12.772638][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.772641][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.772645][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.772649][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.772653][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.772655][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.772659][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.772663][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.772665][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.772669][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.772673][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.772675][  T261]  ? 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))
[   12.772678][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.772680][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.772684][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.772688][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.772690][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.772696][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.772698][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.772700][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.772702][  T261]  ? 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)
[   12.772706][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.772707][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.772710][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.772713][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.772719][  T261]  _printk (kernel/printk/printk.c:2504)
[   12.772722][  T261]  ? snapshot_read.cold (user.c:?)
[   12.772725][  T261]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   12.772728][  T261]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   12.772732][  T261]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   12.772734][  T261]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.772737][  T261]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.772741][  T261]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.772744][  T261]  ? netdev_notice (net/core/dev.c:13194)
[   12.772746][  T261]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   12.772755][  T261]  ? 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)
[   12.772757][  T261]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   12.772761][  T261]  netif_set_promiscuity (net/core/dev.c:9699)
[   12.772765][  T261]  dev_set_promiscuity (net/core/dev_api.c:288)
[   12.772767][  T261]  ? dev_disable_lro (net/core/dev_api.c:267)
[   12.772769][  T261] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   12.772774][  T261] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   12.772779][  T261] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   12.772783][  T261]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   12.772787][  T261] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   12.772793][  T261]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   12.772796][  T261]  ? __nla_validate_parse (lib/nlattr.c:635)
[   12.772802][  T261]  ? __nla_parse (lib/nlattr.c:732)
[   12.772804][  T261]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   12.772809][  T261]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   12.772813][  T261]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   12.772821][  T261]  ? security_capable (security/security.c:660 (discriminator 11))
[   12.772825][  T261]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   12.772829][  T261]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   12.772831][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.772833][  T261]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   12.772837][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.772843][  T261]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   12.772846][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.772848][  T261]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   12.772852][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.772859][  T261]  ? 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))
[   12.772861][  T261]  ? 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))
[   12.772865][  T261]  genl_rcv (net/netlink/genetlink.c:1218)
[   12.772867][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.772871][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.772873][  T261]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   12.772878][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.772881][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.772885][  T261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.772887][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.772890][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.772895][  T261]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.772898][  T261]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   12.772901][  T261]  __sys_sendto (net/socket.c:2281)
[   12.772904][  T261]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.772915][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   12.772921][  T261]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.772923][  T261]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.772926][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.772928][  T261]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.772930][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.772932][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.772935][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.772937][  T261] RIP: 0033:0x7f24f4370312
[   12.772941][  T261] 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)
[   12.772942][  T261] RSP: 002b:00007ffc58cd7aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.772945][  T261] RAX: ffffffffffffffda RBX: 00007ffc58cd7bd8 RCX: 00007f24f4370312
[   12.772946][  T261] RDX: 0000000000000030 RSI: 00007f24f078e930 RDI: 0000000000000023
[   12.772947][  T261] RBP: 00007ffc58cd7ad0 R08: 00007ffc58cd7c50 R09: 000000000000000c
[   12.772948][  T261] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f24f21da200
[   12.772949][  T261] R13: 00007ffc58cd7bd8 R14: 00007f24f3c8f01a R15: 00007ffc58cd7fc8
| [   13.916605][  T300] softirqs last disabled at (387296): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.916607][  T300] Preemption disabled at:
| [   13.916608][  T300] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.916617][  T300] Tainted: [W]=WARN
[   13.916617][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.916619][  T300] Call Trace:
[   13.916620][  T300]  <TASK>
[   13.916622][  T300]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.916628][  T300]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.916629][  T300]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.916634][  T300]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.916638][  T300]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.916642][  T300]  __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))
[   13.916644][  T300]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.916650][  T300]  ? 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)
[   13.916653][  T300]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.916657][  T300]  put_chars (drivers/char/virtio_console.c:1176)
[   13.916659][  T300]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.916662][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.916666][  T300]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.916670][  T300]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.916674][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916676][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916680][  T300]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.916684][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.916686][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.916690][  T300]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.916694][  T300]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.916696][  T300]  ? 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))
[   13.916699][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.916701][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.916705][  T300]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.916709][  T300]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.916711][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916717][  T300]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.916720][  T300]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.916721][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.916723][  T300]  ? 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)
[   13.916727][  T300]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.916729][  T300]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.916731][  T300]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.916734][  T300]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.916740][  T300]  _printk (kernel/printk/printk.c:2504)
[   13.916743][  T300]  ? snapshot_read.cold (user.c:?)
[   13.916746][  T300]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.916749][  T300]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   13.916753][  T300]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   13.916754][  T300]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.916758][  T300]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.916762][  T300]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.916765][  T300]  ? netdev_notice (net/core/dev.c:13194)
[   13.916766][  T300]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   13.916775][  T300]  ? 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)
[   13.916778][  T300]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   13.916781][  T300]  netif_set_promiscuity (net/core/dev.c:9699)
[   13.916785][  T300]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.916787][  T300]  ? dev_disable_lro (net/core/dev_api.c:267)
[   13.916789][  T300] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   13.916794][  T300] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   13.916799][  T300] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   13.916803][  T300]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   13.916807][  T300] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   13.916813][  T300]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.916816][  T300]  ? __nla_validate_parse (lib/nlattr.c:635)
[   13.916822][  T300]  ? __nla_parse (lib/nlattr.c:732)
[   13.916825][  T300]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   13.916830][  T300]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   13.916833][  T300]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   13.916841][  T300]  ? security_capable (security/security.c:660 (discriminator 11))
[   13.916846][  T300]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   13.916849][  T300]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   13.916852][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.916854][  T300]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.916858][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916864][  T300]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   13.916867][  T300]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.916869][  T300]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   13.916872][  T300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.916879][  T300]  ? 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))
[   13.916881][  T300]  ? 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))
[   13.916885][  T300]  genl_rcv (net/netlink/genetlink.c:1218)
[   13.916888][  T300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.916892][  T300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.916895][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.916899][  T300]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.916903][  T300]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.916905][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.916908][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.916913][  T300]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.916915][  T300]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   13.916919][  T300]  __sys_sendto (net/socket.c:2281)
[   13.916922][  T300]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   13.916928][  T300]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   13.916936][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.916940][  T300]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   13.916942][  T300]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.916946][  T300]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.916949][  T300]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.916952][  T300]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.916954][  T300]  ? irq_exit_rcu (kernel/softirq.c:786)
[   13.916958][  T300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.916960][  T300] RIP: 0033:0x7feddea60312
[   13.916963][  T300] 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)
[   13.916965][  T300] RSP: 002b:00007fff90775e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.916968][  T300] RAX: ffffffffffffffda RBX: 00007fff90775fc8 RCX: 00007feddea60312
[   13.916969][  T300] RDX: 0000000000000030 RSI: 00007fedd84d31b0 RDI: 0000000000000023
[   13.916970][  T300] RBP: 00007fff90775ec0 R08: 00007fff90776040 R09: 000000000000000c
[   13.916971][  T300] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feddc8ca350
[   13.916971][  T300] R13: 00007fff90775fc8 R14: 00007fedde37f01a R15: 00007fff907763b8
| [   16.869403][  T362] softirqs last disabled at (21198): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   16.869406][  T362] Preemption disabled at:
| [   16.869406][  T362] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.869415][  T362] Tainted: [W]=WARN
[   16.869416][  T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.869417][  T362] Call Trace:
[   16.869419][  T362]  <TASK>
[   16.869420][  T362]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.869426][  T362]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.869428][  T362]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.869432][  T362]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.869436][  T362]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.869440][  T362]  __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))
[   16.869442][  T362]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.869449][  T362]  ? 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)
[   16.869452][  T362]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.869455][  T362]  put_chars (drivers/char/virtio_console.c:1176)
[   16.869457][  T362]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.869461][  T362]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   16.869465][  T362]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.869469][  T362]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.869471][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.869473][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.869477][  T362]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.869479][  T362]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.869482][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.869485][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.869489][  T362]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.869493][  T362]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.869495][  T362]  ? 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))
[   16.869498][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.869499][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.869503][  T362]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.869507][  T362]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.869509][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.869514][  T362]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.869517][  T362]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.869519][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.869521][  T362]  ? 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)
[   16.869524][  T362]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.869526][  T362]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.869529][  T362]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.869532][  T362]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.869533][  T362]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   16.869538][  T362]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   16.869547][  T362]  _printk (kernel/printk/printk.c:2504)
[   16.869551][  T362]  ? snapshot_read.cold (user.c:?)
[   16.869555][  T362]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.869559][  T362]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.869562][  T362]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.869565][  T362]  ? netdev_notice (net/core/dev.c:13194)
[   16.869567][  T362]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   16.869571][  T362]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   16.869576][  T362]  ? 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)
[   16.869579][  T362]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   16.869582][  T362]  netif_set_promiscuity (net/core/dev.c:9699)
[   16.869585][  T362]  dev_set_promiscuity (net/core/dev_api.c:288)
[   16.869587][  T362]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.869590][  T362] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   16.869598][  T362] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   16.869602][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.869604][  T362]  notifier_call_chain (kernel/notifier.c:85)
[   16.869610][  T362]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   16.869615][  T362]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   16.869622][  T362]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   16.869623][  T362]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.869625][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.869627][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.869629][  T362]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   16.869650][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.869651][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.869654][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.869656][  T362]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.869658][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.869663][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.869664][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.869666][  T362]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   16.869668][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.869672][  T362]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   16.869674][  T362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.869677][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.869678][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.869683][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.869684][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.869688][  T362]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.869691][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.869693][  T362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.869700][  T362]  ? 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))
[   16.869702][  T362]  ? 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))
[   16.869706][  T362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.869710][  T362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.869712][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.869716][  T362]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.869720][  T362]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.869724][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.869725][  T362]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.869731][  T362]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.869735][  T362]  ____sys_sendmsg (net/socket.c:2713)
[   16.869737][  T362]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.869739][  T362]  ? sock_write_iter (net/socket.c:1269)
[   16.869741][  T362]  ? move_addr_to_kernel (net/socket.c:258)
[   16.869748][  T362]  ___sys_sendmsg (net/socket.c:2767)
[   16.869750][  T362]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.869765][  T362]  __sys_sendmsg (net/socket.c:2799)
[   16.869768][  T362]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.869774][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.869777][  T362]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.869780][  T362]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.869783][  T362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.869785][  T362] RIP: 0033:0x7f10062dc54e
[   16.869789][  T362] 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
[   16.869790][  T362] RSP: 002b:00007ffd2f8ddf40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.869793][  T362] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f10062dc54e
[   16.869794][  T362] RDX: 0000000000000000 RSI: 00007ffd2f8ddff0 RDI: 0000000000000005
[   16.869795][  T362] RBP: 00007ffd2f8ddf50 R08: 0000000000000000 R09: 0000000000000000
[   16.869796][  T362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91152d
[   16.869797][  T362] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2f8de6b0
| [   19.793390][  T421] softirqs last disabled at (388392): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   19.793392][  T421] Preemption disabled at:
| [   19.793393][  T421] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.793402][  T421] Tainted: [W]=WARN
[   19.793403][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.793404][  T421] Call Trace:
[   19.793406][  T421]  <TASK>
[   19.793407][  T421]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.793413][  T421]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.793415][  T421]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.793419][  T421]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.793424][  T421]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.793428][  T421]  __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))
[   19.793430][  T421]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.793436][  T421]  ? 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)
[   19.793439][  T421]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.793442][  T421]  put_chars (drivers/char/virtio_console.c:1176)
[   19.793445][  T421]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.793447][  T421]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.793450][  T421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.793454][  T421]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.793458][  T421]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.793461][  T421]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.793463][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.793465][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.793469][  T421]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.793471][  T421]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.793475][  T421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.793479][  T421]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.793484][  T421]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.793485][  T421]  ? 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))
[   19.793488][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.793490][  T421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.793494][  T421]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.793498][  T421]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.793500][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.793505][  T421]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.793508][  T421]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.793510][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.793512][  T421]  ? 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)
[   19.793516][  T421]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.793517][  T421]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.793520][  T421]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.793523][  T421]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.793525][  T421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.793527][  T421]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   19.793531][  T421]  _printk (kernel/printk/printk.c:2504)
[   19.793535][  T421]  ? snapshot_read.cold (user.c:?)
[   19.793537][  T421]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   19.793542][  T421]  ? idr_get_free (??:?)
[   19.793547][  T421]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   19.793561][  T421]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.793567][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.793569][  T421]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   19.793573][  T421]  __nla_validate_parse (lib/nlattr.c:635)
[   19.793578][  T421]  __nla_parse (lib/nlattr.c:732)
[   19.793580][  T421]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   19.793585][  T421]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   19.793589][  T421]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   19.793596][  T421]  ? security_capable (security/security.c:660 (discriminator 11))
[   19.793601][  T421]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   19.793604][  T421]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   19.793606][  T421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.793609][  T421]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   19.793616][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.793622][  T421]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   19.793625][  T421]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.793627][  T421]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   19.793630][  T421]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.793637][  T421]  ? 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))
[   19.793639][  T421]  ? 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))
[   19.793643][  T421]  genl_rcv (net/netlink/genetlink.c:1218)
[   19.793645][  T421]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.793649][  T421]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.793652][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.793656][  T421]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.793660][  T421]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.793661][  T421]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.793664][  T421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.793669][  T421]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.793672][  T421]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   19.793675][  T421]  __sys_sendto (net/socket.c:2281)
[   19.793679][  T421]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   19.793689][  T421]  ? fput_close_sync (fs/file_table.c:617)
[   19.793692][  T421]  ? alloc_file_clone (fs/file_table.c:479)
[   19.793696][  T421]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   19.793698][  T421]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.793702][  T421]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.793704][  T421]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   19.793706][  T421]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.793708][  T421]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.793711][  T421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.793713][  T421] RIP: 0033:0x7fc09f431312
[   19.793716][  T421] 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)
[   19.793718][  T421] RSP: 002b:00007ffc707c2988 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   19.793720][  T421] RAX: ffffffffffffffda RBX: 00007ffc707c2ab8 RCX: 00007fc09f431312
[   19.793722][  T421] RDX: 0000000000000040 RSI: 00007fc096f57000 RDI: 0000000000000020
[   19.793722][  T421] RBP: 00007ffc707c29b0 R08: 00007ffc707c2b30 R09: 000000000000000c
[   19.793723][  T421] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc09d28a0b0
[   19.793724][  T421] R13: 00007ffc707c2ab8 R14: 00007fc09ed5001a R15: 00007ffc707c2ea8
| [   21.022332][  T473] softirqs last disabled at (393670): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   21.022334][  T473] Preemption disabled at:
| [   21.022335][  T473] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.022343][  T473] Tainted: [W]=WARN
[   21.022344][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.022346][  T473] Call Trace:
[   21.022347][  T473]  <TASK>
[   21.022349][  T473]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.022355][  T473]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.022356][  T473]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.022360][  T473]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.022364][  T473]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.022369][  T473]  __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))
[   21.022370][  T473]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.022377][  T473]  ? 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)
[   21.022379][  T473]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.022383][  T473]  put_chars (drivers/char/virtio_console.c:1176)
[   21.022386][  T473]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.022389][  T473]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.022392][  T473]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.022396][  T473]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.022400][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.022402][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.022407][  T473]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.022410][  T473]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.022412][  T473]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.022416][  T473]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.022420][  T473]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.022422][  T473]  ? 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))
[   21.022425][  T473]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.022427][  T473]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.022431][  T473]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.022435][  T473]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.022437][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.022442][  T473]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.022445][  T473]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.022447][  T473]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.022449][  T473]  ? 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)
[   21.022453][  T473]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.022454][  T473]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.022457][  T473]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.022460][  T473]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.022465][  T473]  _printk (kernel/printk/printk.c:2504)
[   21.022469][  T473]  ? snapshot_read.cold (user.c:?)
[   21.022472][  T473]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   21.022475][  T473]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   21.022479][  T473]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   21.022480][  T473]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.022484][  T473]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.022488][  T473]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.022491][  T473]  ? netdev_notice (net/core/dev.c:13194)
[   21.022493][  T473]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   21.022502][  T473]  ? 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)
[   21.022504][  T473]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   21.022508][  T473]  netif_set_promiscuity (net/core/dev.c:9699)
[   21.022511][  T473]  dev_set_promiscuity (net/core/dev_api.c:288)
[   21.022513][  T473]  ? dev_disable_lro (net/core/dev_api.c:267)
[   21.022515][  T473] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   21.022521][  T473] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   21.022526][  T473] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   21.022530][  T473]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   21.022534][  T473] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   21.022540][  T473]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   21.022543][  T473]  ? __nla_validate_parse (lib/nlattr.c:635)
[   21.022550][  T473]  ? __nla_parse (lib/nlattr.c:732)
[   21.022552][  T473]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   21.022557][  T473]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   21.022565][  T473]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   21.022574][  T473]  ? security_capable (security/security.c:660 (discriminator 11))
[   21.022578][  T473]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   21.022582][  T473]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   21.022584][  T473]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.022586][  T473]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   21.022590][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.022596][  T473]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   21.022599][  T473]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.022601][  T473]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   21.022604][  T473]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.022611][  T473]  ? 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))
[   21.022613][  T473]  ? 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))
[   21.022617][  T473]  genl_rcv (net/netlink/genetlink.c:1218)
[   21.022620][  T473]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.022624][  T473]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.022625][  T473]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   21.022630][  T473]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.022633][  T473]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.022637][  T473]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.022639][  T473]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.022642][  T473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.022647][  T473]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.022650][  T473]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   21.022654][  T473]  __sys_sendto (net/socket.c:2281)
[   21.022657][  T473]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.022668][  T473]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   21.022673][  T473]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.022676][  T473]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.022679][  T473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.022681][  T473]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.022683][  T473]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.022685][  T473]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.022688][  T473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.022690][  T473] RIP: 0033:0x7fed227df312
[   21.022694][  T473] 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)
[   21.022695][  T473] RSP: 002b:00007ffee4424948 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.022698][  T473] RAX: ffffffffffffffda RBX: 00007ffee4424a78 RCX: 00007fed227df312
[   21.022699][  T473] RDX: 0000000000000030 RSI: 00007fed1e3f2970 RDI: 0000000000000023
[   21.022700][  T473] RBP: 00007ffee4424970 R08: 00007ffee4424af0 R09: 000000000000000c
[   21.022701][  T473] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fed20642190
[   21.022702][  T473] R13: 00007ffee4424a78 R14: 00007fed220fe01a R15: 00007ffee4424e68
| [   22.368302][  T513] softirqs last disabled at (381782): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   22.368303][  T513] Preemption disabled at:
| [   22.368304][  T513] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.368313][  T513] Tainted: [W]=WARN
[   22.368314][  T513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.368315][  T513] Call Trace:
[   22.368317][  T513]  <TASK>
[   22.368318][  T513]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.368325][  T513]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.368326][  T513]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.368330][  T513]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.368334][  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)
[   22.368339][  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))
[   22.368341][  T513]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.368347][  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)
[   22.368350][  T513]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.368354][  T513]  put_chars (drivers/char/virtio_console.c:1176)
[   22.368356][  T513]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.368359][  T513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.368362][  T513]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.368366][  T513]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.368371][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.368372][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.368377][  T513]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.368380][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.368382][  T513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.368386][  T513]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.368391][  T513]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.368392][  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))
[   22.368396][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.368397][  T513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.368401][  T513]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.368406][  T513]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.368407][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.368413][  T513]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.368416][  T513]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.368418][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.368419][  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)
[   22.368423][  T513]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.368425][  T513]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.368427][  T513]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.368431][  T513]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.368436][  T513]  _printk (kernel/printk/printk.c:2504)
[   22.368439][  T513]  ? snapshot_read.cold (user.c:?)
[   22.368442][  T513]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   22.368445][  T513]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   22.368449][  T513]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   22.368451][  T513]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.368455][  T513]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.368459][  T513]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.368461][  T513]  ? netdev_notice (net/core/dev.c:13194)
[   22.368463][  T513]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   22.368472][  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)
[   22.368475][  T513]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   22.368478][  T513]  netif_set_promiscuity (net/core/dev.c:9699)
[   22.368482][  T513]  dev_set_promiscuity (net/core/dev_api.c:288)
[   22.368484][  T513]  ? dev_disable_lro (net/core/dev_api.c:267)
[   22.368486][  T513] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   22.368491][  T513] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   22.368496][  T513] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   22.368500][  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
[   22.368504][  T513] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   22.368510][  T513]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   22.368513][  T513]  ? __nla_validate_parse (lib/nlattr.c:635)
[   22.368519][  T513]  ? __nla_parse (lib/nlattr.c:732)
[   22.368522][  T513]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   22.368527][  T513]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   22.368530][  T513]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   22.368538][  T513]  ? security_capable (security/security.c:660 (discriminator 11))
[   22.368542][  T513]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   22.368546][  T513]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   22.368549][  T513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.368551][  T513]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   22.368555][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.368560][  T513]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   22.368564][  T513]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.368572][  T513]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   22.368575][  T513]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.368582][  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))
[   22.368584][  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))
[   22.368588][  T513]  genl_rcv (net/netlink/genetlink.c:1218)
[   22.368590][  T513]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.368594][  T513]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.368598][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.368601][  T513]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.368605][  T513]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.368607][  T513]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.368610][  T513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.368615][  T513]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.368618][  T513]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   22.368622][  T513]  __sys_sendto (net/socket.c:2281)
[   22.368625][  T513]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   22.368636][  T513]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   22.368642][  T513]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   22.368644][  T513]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.368648][  T513]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.368649][  T513]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   22.368652][  T513]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.368654][  T513]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.368656][  T513]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.368658][  T513] RIP: 0033:0x7fa22d368312
[   22.368662][  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)
[   22.368664][  T513] RSP: 002b:00007ffdacbb5af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   22.368666][  T513] RAX: ffffffffffffffda RBX: 00007ffdacbb5c28 RCX: 00007fa22d368312
[   22.368668][  T513] RDX: 0000000000000030 RSI: 00007fa228fa4730 RDI: 0000000000000023
[   22.368668][  T513] RBP: 00007ffdacbb5b20 R08: 00007ffdacbb5ca0 R09: 000000000000000c
[   22.368669][  T513] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa22b1d2270
[   22.368670][  T513] R13: 00007ffdacbb5c28 R14: 00007fa22cc8701a R15: 00007ffdacbb6018
| [   40.276853][  T669] softirqs last disabled at (20028): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   40.276855][  T669] Preemption disabled at:
| [   40.276856][  T669] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.276864][  T669] Tainted: [W]=WARN
[   40.276865][  T669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.276867][  T669] Call Trace:
[   40.276868][  T669]  <TASK>
[   40.276870][  T669]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.276876][  T669]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.276878][  T669]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.276882][  T669]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.276886][  T669]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.276890][  T669]  __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))
[   40.276892][  T669]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.276899][  T669]  ? 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)
[   40.276901][  T669]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.276905][  T669]  put_chars (drivers/char/virtio_console.c:1176)
[   40.276906][  T669]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   40.276909][  T669]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.276912][  T669]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.276915][  T669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.276917][  T669]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.276921][  T669]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.276925][  T669]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.276927][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.276929][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.276933][  T669]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.276935][  T669]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   40.276938][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.276940][  T669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.276944][  T669]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.276948][  T669]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.276950][  T669]  ? 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))
[   40.276953][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.276955][  T669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.276959][  T669]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.276963][  T669]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.276965][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.276970][  T669]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.276973][  T669]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.276975][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.276977][  T669]  ? 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)
[   40.276980][  T669]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.276982][  T669]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.276985][  T669]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.276988][  T669]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.276990][  T669]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   40.276994][  T669]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   40.276999][  T669]  _printk (kernel/printk/printk.c:2504)
[   40.277003][  T669]  ? snapshot_read.cold (user.c:?)
[   40.277007][  T669]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.277011][  T669]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.277015][  T669]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.277017][  T669]  ? netdev_notice (net/core/dev.c:13194)
[   40.277019][  T669]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   40.277023][  T669]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   40.277028][  T669]  ? 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)
[   40.277031][  T669]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   40.277034][  T669]  netif_set_promiscuity (net/core/dev.c:9699)
[   40.277038][  T669]  dev_set_promiscuity (net/core/dev_api.c:288)
[   40.277042][  T669]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.277045][  T669] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   40.277053][  T669] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   40.277057][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.277059][  T669]  notifier_call_chain (kernel/notifier.c:85)
[   40.277065][  T669]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   40.277070][  T669]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   40.277077][  T669]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   40.277078][  T669]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.277080][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.277082][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.277084][  T669]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   40.277105][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.277107][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.277110][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.277112][  T669]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.277114][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.277119][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.277121][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.277122][  T669]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   40.277124][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.277128][  T669]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   40.277130][  T669]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.277133][  T669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.277135][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.277139][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.277141][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.277144][  T669]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.277147][  T669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.277150][  T669]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.277156][  T669]  ? 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))
[   40.277158][  T669]  ? 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))
[   40.277163][  T669]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.277167][  T669]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.277169][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.277173][  T669]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.277177][  T669]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.277181][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.277182][  T669]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   40.277188][  T669]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.277192][  T669]  ____sys_sendmsg (net/socket.c:2713)
[   40.277194][  T669]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.277197][  T669]  ? sock_write_iter (net/socket.c:1269)
[   40.277198][  T669]  ? move_addr_to_kernel (net/socket.c:258)
[   40.277205][  T669]  ___sys_sendmsg (net/socket.c:2767)
[   40.277208][  T669]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.277224][  T669]  __sys_sendmsg (net/socket.c:2799)
[   40.277226][  T669]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.277233][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.277236][  T669]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.277239][  T669]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.277242][  T669]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.277244][  T669] RIP: 0033:0x7ff9cfecf54e
[   40.277247][  T669] 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
[   40.277249][  T669] RSP: 002b:00007ffe623d7620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.277252][  T669] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff9cfecf54e
[   40.277253][  T669] RDX: 0000000000000000 RSI: 00007ffe623d76d0 RDI: 0000000000000005
[   40.277254][  T669] RBP: 00007ffe623d7630 R08: 0000000000000000 R09: 0000000000000000
[   40.277255][  T669] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911544
[   40.277256][  T669] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe623d7d90
| [   43.125088][  T726] softirqs last disabled at (383368): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   43.125090][  T726] Preemption disabled at:
| [   43.125091][  T726] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.125100][  T726] Tainted: [W]=WARN
[   43.125100][  T726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.125102][  T726] Call Trace:
[   43.125104][  T726]  <TASK>
[   43.125105][  T726]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.125111][  T726]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.125113][  T726]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.125117][  T726]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.125122][  T726]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.125126][  T726]  __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))
[   43.125128][  T726]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.125134][  T726]  ? 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)
[   43.125137][  T726]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.125141][  T726]  put_chars (drivers/char/virtio_console.c:1176)
[   43.125143][  T726]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.125146][  T726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.125149][  T726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.125151][  T726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.125155][  T726]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.125159][  T726]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   43.125161][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.125163][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.125167][  T726]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.125169][  T726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.125173][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.125177][  T726]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.125181][  T726]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.125182][  T726]  ? 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))
[   43.125186][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.125187][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.125191][  T726]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.125195][  T726]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.125197][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.125202][  T726]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.125205][  T726]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.125207][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.125209][  T726]  ? 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)
[   43.125212][  T726]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.125214][  T726]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.125217][  T726]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.125220][  T726]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.125222][  T726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.125223][  T726]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   43.125228][  T726]  _printk (kernel/printk/printk.c:2504)
[   43.125232][  T726]  ? snapshot_read.cold (user.c:?)
[   43.125233][  T726]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   43.125239][  T726]  ? idr_get_free (??:?)
[   43.125243][  T726]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   43.125252][  T726]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.125258][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.125259][  T726]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   43.125263][  T726]  __nla_validate_parse (lib/nlattr.c:635)
[   43.125268][  T726]  __nla_parse (lib/nlattr.c:732)
[   43.125271][  T726]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   43.125275][  T726]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   43.125279][  T726]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   43.125286][  T726]  ? security_capable (security/security.c:660 (discriminator 11))
[   43.125291][  T726]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   43.125294][  T726]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   43.125297][  T726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.125299][  T726]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   43.125307][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.125312][  T726]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   43.125315][  T726]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.125317][  T726]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   43.125321][  T726]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.125327][  T726]  ? 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))
[   43.125329][  T726]  ? 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))
[   43.125333][  T726]  genl_rcv (net/netlink/genetlink.c:1218)
[   43.125335][  T726]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.125339][  T726]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.125343][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.125346][  T726]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.125350][  T726]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.125352][  T726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.125355][  T726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.125359][  T726]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.125362][  T726]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   43.125366][  T726]  __sys_sendto (net/socket.c:2281)
[   43.125369][  T726]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   43.125379][  T726]  ? fput_close_sync (fs/file_table.c:617)
[   43.125383][  T726]  ? alloc_file_clone (fs/file_table.c:479)
[   43.125387][  T726]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   43.125389][  T726]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.125392][  T726]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   43.125395][  T726]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   43.125397][  T726]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.125399][  T726]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.125402][  T726]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.125404][  T726] RIP: 0033:0x7f47d5481312
[   43.125408][  T726] 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)
[   43.125410][  T726] RSP: 002b:00007fffee100ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.125412][  T726] RAX: ffffffffffffffda RBX: 00007fffee100dd8 RCX: 00007f47d5481312
[   43.125414][  T726] RDX: 0000000000000040 RSI: 00007f47d1046ce0 RDI: 0000000000000020
[   43.125415][  T726] RBP: 00007fffee100cd0 R08: 00007fffee100e50 R09: 000000000000000c
[   43.125415][  T726] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f47d32da0b0
[   43.125416][  T726] R13: 00007fffee100dd8 R14: 00007f47d4da001a R15: 00007fffee1011c8
| [   44.369974][  T779] softirqs last disabled at (379192): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   44.369976][  T779] Preemption disabled at:
| [   44.369977][  T779] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.369985][  T779] Tainted: [W]=WARN
[   44.369985][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.369987][  T779] Call Trace:
[   44.369988][  T779]  <TASK>
[   44.369990][  T779]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.369996][  T779]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.369997][  T779]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.370002][  T779]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.370006][  T779]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.370010][  T779]  __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))
[   44.370012][  T779]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.370018][  T779]  ? 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)
[   44.370021][  T779]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.370025][  T779]  put_chars (drivers/char/virtio_console.c:1176)
[   44.370027][  T779]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.370030][  T779]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.370033][  T779]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.370038][  T779]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.370045][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.370047][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.370052][  T779]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.370055][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.370057][  T779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.370061][  T779]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.370065][  T779]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.370067][  T779]  ? 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))
[   44.370071][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.370072][  T779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.370076][  T779]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.370081][  T779]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.370083][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.370088][  T779]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.370091][  T779]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.370092][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.370094][  T779]  ? 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)
[   44.370098][  T779]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.370100][  T779]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.370102][  T779]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.370105][  T779]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.370111][  T779]  _printk (kernel/printk/printk.c:2504)
[   44.370114][  T779]  ? snapshot_read.cold (user.c:?)
[   44.370117][  T779]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   44.370120][  T779]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   44.370123][  T779]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   44.370125][  T779]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.370129][  T779]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.370133][  T779]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.370136][  T779]  ? netdev_notice (net/core/dev.c:13194)
[   44.370137][  T779]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   44.370146][  T779]  ? 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)
[   44.370149][  T779]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   44.370152][  T779]  netif_set_promiscuity (net/core/dev.c:9699)
[   44.370156][  T779]  dev_set_promiscuity (net/core/dev_api.c:288)
[   44.370158][  T779]  ? dev_disable_lro (net/core/dev_api.c:267)
[   44.370160][  T779] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   44.370165][  T779] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   44.370170][  T779] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   44.370174][  T779]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   44.370178][  T779] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   44.370184][  T779]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   44.370187][  T779]  ? __nla_validate_parse (lib/nlattr.c:635)
[   44.370193][  T779]  ? __nla_parse (lib/nlattr.c:732)
[   44.370196][  T779]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   44.370201][  T779]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   44.370204][  T779]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   44.370212][  T779]  ? security_capable (security/security.c:660 (discriminator 11))
[   44.370217][  T779]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   44.370220][  T779]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   44.370223][  T779]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.370225][  T779]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   44.370229][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.370235][  T779]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   44.370238][  T779]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.370240][  T779]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   44.370243][  T779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.370250][  T779]  ? 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))
[   44.370252][  T779]  ? 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))
[   44.370256][  T779]  genl_rcv (net/netlink/genetlink.c:1218)
[   44.370259][  T779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.370263][  T779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.370264][  T779]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   44.370269][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.370273][  T779]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.370277][  T779]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.370279][  T779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.370282][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.370286][  T779]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.370289][  T779]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   44.370293][  T779]  __sys_sendto (net/socket.c:2281)
[   44.370296][  T779]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   44.370301][  T779]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[   44.370311][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.370314][  T779]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   44.370317][  T779]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.370320][  T779]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   44.370322][  T779]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   44.370325][  T779]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.370327][  T779]  ? irq_exit_rcu (kernel/softirq.c:786)
[   44.370331][  T779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.370333][  T779] RIP: 0033:0x7f4e71568312
[   44.370337][  T779] 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)
[   44.370338][  T779] RSP: 002b:00007ffe2485b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.370341][  T779] RAX: ffffffffffffffda RBX: 00007ffe2485b168 RCX: 00007f4e71568312
[   44.370342][  T779] RDX: 0000000000000030 RSI: 00007f4e6d13a6f0 RDI: 0000000000000023
[   44.370343][  T779] RBP: 00007ffe2485b060 R08: 00007ffe2485b1e0 R09: 000000000000000c
[   44.370344][  T779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4e6f3d2190
[   44.370344][  T779] R13: 00007ffe2485b168 R14: 00007f4e70e8701a R15: 00007ffe2485b558
| [   45.578707][  T819] softirqs last disabled at (370584): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   45.578708][  T819] Preemption disabled at:
| [   45.578709][  T819] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.578718][  T819] Tainted: [W]=WARN
[   45.578719][  T819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.578720][  T819] Call Trace:
[   45.578722][  T819]  <TASK>
[   45.578723][  T819]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.578729][  T819]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.578731][  T819]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.578735][  T819]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.578739][  T819]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.578744][  T819]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.578746][  T819]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.578752][  T819]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.578755][  T819]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.578758][  T819]  put_chars (drivers/char/virtio_console.c:1176)
[   45.578761][  T819]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.578764][  T819]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.578767][  T819]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.578771][  T819]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.578775][  T819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.578777][  T819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.578781][  T819]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.578785][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.578787][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.578791][  T819]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.578795][  T819]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.578797][  T819]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   45.578800][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.578801][  T819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.578805][  T819]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.578809][  T819]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.578811][  T819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.578817][  T819]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.578819][  T819]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.578821][  T819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.578823][  T819]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   45.578826][  T819]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.578828][  T819]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.578831][  T819]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.578834][  T819]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.578839][  T819]  _printk (kernel/printk/printk.c:2504)
[   45.578843][  T819]  ? snapshot_read.cold (user.c:?)
[   45.578845][  T819]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   45.578848][  T819]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   45.578852][  T819]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   45.578853][  T819]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.578857][  T819]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.578861][  T819]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.578863][  T819]  ? netdev_notice (net/core/dev.c:13194)
[   45.578865][  T819]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   45.578874][  T819]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.578876][  T819]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   45.578880][  T819]  netif_set_promiscuity (net/core/dev.c:9699)
[   45.578884][  T819]  dev_set_promiscuity (net/core/dev_api.c:288)
[   45.578886][  T819]  ? dev_disable_lro (net/core/dev_api.c:267)
[   45.578888][  T819] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   45.578893][  T819] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   45.578898][  T819] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   45.578901][  T819]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   45.578906][  T819] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   45.578911][  T819]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   45.578915][  T819]  ? __nla_validate_parse (lib/nlattr.c:635)
[   45.578921][  T819]  ? __nla_parse (lib/nlattr.c:732)
[   45.578923][  T819]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   45.578928][  T819]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   45.578931][  T819]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   45.578940][  T819]  ? security_capable (security/security.c:660 (discriminator 11))
[   45.578944][  T819]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   45.578947][  T819]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   45.578950][  T819]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.578952][  T819]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   45.578956][  T819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.578961][  T819]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   45.578965][  T819]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.578967][  T819]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   45.578970][  T819]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.578977][  T819]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.578979][  T819]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.578983][  T819]  genl_rcv (net/netlink/genetlink.c:1218)
[   45.578985][  T819]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.578989][  T819]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.578993][  T819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.578996][  T819]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.579000][  T819]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.579002][  T819]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.579005][  T819]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.579010][  T819]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.579013][  T819]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   45.579017][  T819]  __sys_sendto (net/socket.c:2281)
[   45.579019][  T819]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   45.579025][  T819]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   45.579033][  T819]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.579037][  T819]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   45.579042][  T819]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.579046][  T819]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   45.579049][  T819]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   45.579052][  T819]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.579054][  T819]  ? irq_exit_rcu (kernel/softirq.c:786)
[   45.579058][  T819]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.579060][  T819] RIP: 0033:0x7f46e0b80312
[   45.579063][  T819] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   45.579065][  T819] RSP: 002b:00007fffb2f8de58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.579067][  T819] RAX: ffffffffffffffda RBX: 00007fffb2f8df88 RCX: 00007f46e0b80312
[   45.579069][  T819] RDX: 0000000000000030 RSI: 00007f46dc7a0a30 RDI: 0000000000000023
[   45.579069][  T819] RBP: 00007fffb2f8de80 R08: 00007fffb2f8e000 R09: 000000000000000c
[   45.579070][  T819] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f46de9ea270
[   45.579071][  T819] R13: 00007fffb2f8df88 R14: 00007f46e049f01a R15: 00007fffb2f8e378
| [   50.878736][  T906] softirqs last disabled at (21394): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   50.878738][  T906] Preemption disabled at:
| [   50.878739][  T906] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.878747][  T906] Tainted: [W]=WARN
[   50.878748][  T906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.878749][  T906] Call Trace:
[   50.878751][  T906]  <TASK>
[   50.878752][  T906]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.878758][  T906]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.878760][  T906]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.878764][  T906]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.878768][  T906]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.878773][  T906]  __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))
[   50.878774][  T906]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.878781][  T906]  ? 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)
[   50.878783][  T906]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.878787][  T906]  put_chars (drivers/char/virtio_console.c:1176)
[   50.878789][  T906]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   50.878791][  T906]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.878794][  T906]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.878797][  T906]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.878800][  T906]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.878804][  T906]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.878808][  T906]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.878810][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.878811][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.878815][  T906]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.878818][  T906]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   50.878821][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.878823][  T906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.878827][  T906]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.878831][  T906]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.878832][  T906]  ? 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))
[   50.878836][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.878837][  T906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.878841][  T906]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.878845][  T906]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.878847][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.878852][  T906]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.878855][  T906]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.878857][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.878859][  T906]  ? 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)
[   50.878862][  T906]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.878864][  T906]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.878867][  T906]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.878870][  T906]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.878871][  T906]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   50.878876][  T906]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   50.878881][  T906]  _printk (kernel/printk/printk.c:2504)
[   50.878884][  T906]  ? snapshot_read.cold (user.c:?)
[   50.878888][  T906]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.878892][  T906]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.878896][  T906]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.878899][  T906]  ? netdev_notice (net/core/dev.c:13194)
[   50.878900][  T906]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   50.878905][  T906]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   50.878909][  T906]  ? 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)
[   50.878912][  T906]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   50.878915][  T906]  netif_set_promiscuity (net/core/dev.c:9699)
[   50.878919][  T906]  dev_set_promiscuity (net/core/dev_api.c:288)
[   50.878921][  T906]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.878924][  T906] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   50.878931][  T906] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   50.878935][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.878937][  T906]  notifier_call_chain (kernel/notifier.c:85)
[   50.878943][  T906]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   50.878948][  T906]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   50.878955][  T906]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   50.878956][  T906]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.878958][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.878960][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.878962][  T906]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   50.878982][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.878984][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.878987][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.878989][  T906]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.878991][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.878996][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.878998][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.879000][  T906]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   50.879002][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.879005][  T906]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   50.879007][  T906]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.879010][  T906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.879012][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.879016][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.879018][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.879022][  T906]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.879024][  T906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.879027][  T906]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.879033][  T906]  ? 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))
[   50.879035][  T906]  ? 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))
[   50.879043][  T906]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.879047][  T906]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.879050][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.879054][  T906]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.879058][  T906]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.879061][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.879063][  T906]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   50.879068][  T906]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   50.879072][  T906]  ____sys_sendmsg (net/socket.c:2713)
[   50.879075][  T906]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.879077][  T906]  ? sock_write_iter (net/socket.c:1269)
[   50.879078][  T906]  ? move_addr_to_kernel (net/socket.c:258)
[   50.879085][  T906]  ___sys_sendmsg (net/socket.c:2767)
[   50.879088][  T906]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.879103][  T906]  __sys_sendmsg (net/socket.c:2799)
[   50.879106][  T906]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.879112][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.879115][  T906]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.879118][  T906]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.879121][  T906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.879123][  T906] RIP: 0033:0x7fd2c082254e
[   50.879126][  T906] 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
[   50.879128][  T906] RSP: 002b:00007ffd18ae70f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.879131][  T906] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd2c082254e
[   50.879132][  T906] RDX: 0000000000000000 RSI: 00007ffd18ae71a0 RDI: 0000000000000005
[   50.879133][  T906] RBP: 00007ffd18ae7100 R08: 0000000000000000 R09: 0000000000000000
[   50.879134][  T906] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91154f
[   50.879134][  T906] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd18ae7860
| [   53.764804][  T964] softirqs last disabled at (381344): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   53.764806][  T964] Preemption disabled at:
| [   53.764807][  T964] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.764814][  T964] Tainted: [W]=WARN
[   53.764815][  T964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.764817][  T964] Call Trace:
[   53.764818][  T964]  <TASK>
[   53.764820][  T964]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.764825][  T964]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.764827][  T964]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.764831][  T964]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.764835][  T964]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.764840][  T964]  __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))
[   53.764842][  T964]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.764848][  T964]  ? 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)
[   53.764851][  T964]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.764854][  T964]  put_chars (drivers/char/virtio_console.c:1176)
[   53.764857][  T964]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.764859][  T964]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.764862][  T964]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.764865][  T964]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.764869][  T964]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.764873][  T964]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.764875][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.764876][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.764881][  T964]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.764882][  T964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.764887][  T964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.764891][  T964]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.764895][  T964]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.764896][  T964]  ? 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))
[   53.764900][  T964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.764901][  T964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.764905][  T964]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.764910][  T964]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.764911][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.764917][  T964]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.764919][  T964]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.764921][  T964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.764923][  T964]  ? 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)
[   53.764927][  T964]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.764928][  T964]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.764931][  T964]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.764934][  T964]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.764936][  T964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.764938][  T964]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   53.764942][  T964]  _printk (kernel/printk/printk.c:2504)
[   53.764946][  T964]  ? snapshot_read.cold (user.c:?)
[   53.764947][  T964]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   53.764953][  T964]  ? idr_get_free (??:?)
[   53.764958][  T964]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   53.764967][  T964]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.764972][  T964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.764974][  T964]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   53.764978][  T964]  __nla_validate_parse (lib/nlattr.c:635)
[   53.764983][  T964]  __nla_parse (lib/nlattr.c:732)
[   53.764985][  T964]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   53.764990][  T964]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   53.764994][  T964]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   53.765002][  T964]  ? security_capable (security/security.c:660 (discriminator 11))
[   53.765006][  T964]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   53.765009][  T964]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   53.765012][  T964]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.765014][  T964]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   53.765022][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.765028][  T964]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   53.765031][  T964]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.765033][  T964]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   53.765036][  T964]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.765046][  T964]  ? 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))
[   53.765048][  T964]  ? 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))
[   53.765052][  T964]  genl_rcv (net/netlink/genetlink.c:1218)
[   53.765054][  T964]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.765058][  T964]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.765062][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.765065][  T964]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.765069][  T964]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.765071][  T964]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.765073][  T964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.765078][  T964]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   53.765081][  T964]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   53.765084][  T964]  __sys_sendto (net/socket.c:2281)
[   53.765087][  T964]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   53.765098][  T964]  ? fput_close_sync (fs/file_table.c:617)
[   53.765101][  T964]  ? alloc_file_clone (fs/file_table.c:479)
[   53.765105][  T964]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   53.765107][  T964]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.765111][  T964]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   53.765113][  T964]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   53.765115][  T964]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.765117][  T964]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.765120][  T964]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.765122][  T964] RIP: 0033:0x7f4772a5d312
[   53.765125][  T964] 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)
[   53.765127][  T964] RSP: 002b:00007ffef0cb2828 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   53.765129][  T964] RAX: ffffffffffffffda RBX: 00007ffef0cb2958 RCX: 00007f4772a5d312
[   53.765131][  T964] RDX: 0000000000000044 RSI: 00007f476e61afb0 RDI: 0000000000000020
[   53.765131][  T964] RBP: 00007ffef0cb2850 R08: 00007ffef0cb29d0 R09: 000000000000000c
[   53.765132][  T964] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f47708b60b0
[   53.765133][  T964] R13: 00007ffef0cb2958 R14: 00007f477237c01a R15: 00007ffef0cb2d48
| [   55.159461][ T1018] softirqs last disabled at (415939): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   55.159464][ T1018] Preemption disabled at:
| [   55.159465][ T1018] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.159476][ T1018] Tainted: [W]=WARN
[   55.159477][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.159479][ T1018] Call Trace:
[   55.159481][ T1018]  <TASK>
[   55.159483][ T1018]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.159490][ T1018]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.159493][ T1018]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.159498][ T1018]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.159504][ T1018]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.159510][ T1018]  __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))
[   55.159513][ T1018]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.159522][ T1018]  ? 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)
[   55.159525][ T1018]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.159530][ T1018]  put_chars (drivers/char/virtio_console.c:1176)
[   55.159534][ T1018]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.159540][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.159544][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.159551][ T1018]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.159556][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.159558][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.159565][ T1018]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.159571][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.159574][ T1018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.159581][ T1018]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.159586][ T1018]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.159589][ T1018]  ? 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))
[   55.159594][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.159597][ T1018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.159603][ T1018]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.159610][ T1018]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.159612][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.159621][ T1018]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.159625][ T1018]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.159628][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.159631][ T1018]  ? 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)
[   55.159637][ T1018]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.159639][ T1018]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.159644][ T1018]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.159649][ T1018]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.159658][ T1018]  _printk (kernel/printk/printk.c:2504)
[   55.159662][ T1018]  ? snapshot_read.cold (user.c:?)
[   55.159667][ T1018]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   55.159670][ T1018]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   55.159675][ T1018]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   55.159678][ T1018]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   55.159683][ T1018]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   55.159688][ T1018]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.159692][ T1018]  ? netdev_notice (net/core/dev.c:13194)
[   55.159700][ T1018]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   55.159715][ T1018]  ? 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)
[   55.159719][ T1018]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   55.159725][ T1018]  netif_set_promiscuity (net/core/dev.c:9699)
[   55.159730][ T1018]  dev_set_promiscuity (net/core/dev_api.c:288)
[   55.159733][ T1018]  ? dev_disable_lro (net/core/dev_api.c:267)
[   55.159737][ T1018] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   55.159745][ T1018] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   55.159752][ T1018] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   55.159759][ T1018]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   55.159766][ T1018] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   55.159776][ T1018]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   55.159781][ T1018]  ? __nla_validate_parse (lib/nlattr.c:635)
[   55.159789][ T1018]  ? __nla_parse (lib/nlattr.c:732)
[   55.159793][ T1018]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   55.159801][ T1018]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   55.159806][ T1018]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   55.159820][ T1018]  ? security_capable (security/security.c:660 (discriminator 11))
[   55.159826][ T1018]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   55.159832][ T1018]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   55.159836][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.159839][ T1018]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   55.159846][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.159855][ T1018]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   55.159860][ T1018]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.159863][ T1018]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   55.159868][ T1018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.159879][ T1018]  ? 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))
[   55.159882][ T1018]  ? 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))
[   55.159889][ T1018]  genl_rcv (net/netlink/genetlink.c:1218)
[   55.159892][ T1018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.159898][ T1018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.159904][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.159909][ T1018]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.159916][ T1018]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.159918][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.159926][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.159934][ T1018]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   55.159938][ T1018]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   55.159943][ T1018]  __sys_sendto (net/socket.c:2281)
[   55.159948][ T1018]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   55.159967][ T1018]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   55.159977][ T1018]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   55.159980][ T1018]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.159985][ T1018]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   55.159987][ T1018]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   55.159991][ T1018]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.159993][ T1018]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.159997][ T1018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.160001][ T1018] RIP: 0033:0x7fe2eba3f312
[   55.160005][ T1018] 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)
[   55.160008][ T1018] RSP: 002b:00007ffd89b45e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   55.160011][ T1018] RAX: ffffffffffffffda RBX: 00007ffd89b45f68 RCX: 00007fe2eba3f312
[   55.160013][ T1018] RDX: 0000000000000030 RSI: 00007fe2e84c1170 RDI: 0000000000000023
[   55.160014][ T1018] RBP: 00007ffd89b45e60 R08: 00007ffd89b45fe0 R09: 000000000000000c
[   55.160015][ T1018] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe2e98a2190
[   55.160016][ T1018] R13: 00007ffd89b45f68 R14: 00007fe2eb35e01a R15: 00007ffd89b46358
| [   56.389326][ T1058] softirqs last disabled at (371930): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   56.389328][ T1058] Preemption disabled at:
| [   56.389329][ T1058] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.389337][ T1058] Tainted: [W]=WARN
[   56.389338][ T1058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.389339][ T1058] Call Trace:
[   56.389341][ T1058]  <TASK>
[   56.389342][ T1058]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.389349][ T1058]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.389351][ T1058]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.389355][ T1058]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.389359][ T1058]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.389364][ T1058]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   56.389365][ T1058]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.389372][ T1058]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.389375][ T1058]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.389378][ T1058]  put_chars (drivers/char/virtio_console.c:1176)
[   56.389381][ T1058]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.389384][ T1058]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.389387][ T1058]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.389391][ T1058]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.389395][ T1058]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.389397][ T1058]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.389402][ T1058]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.389405][ T1058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.389407][ T1058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.389412][ T1058]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.389416][ T1058]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.389417][ T1058]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   56.389421][ T1058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.389423][ T1058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.389427][ T1058]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.389431][ T1058]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.389433][ T1058]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.389438][ T1058]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.389441][ T1058]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.389443][ T1058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.389445][ T1058]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   56.389448][ T1058]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.389450][ T1058]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.389453][ T1058]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.389456][ T1058]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.389461][ T1058]  _printk (kernel/printk/printk.c:2504)
[   56.389464][ T1058]  ? snapshot_read.cold (user.c:?)
[   56.389467][ T1058]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   56.389470][ T1058]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   56.389474][ T1058]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   56.389476][ T1058]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.389480][ T1058]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.389484][ T1058]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.389486][ T1058]  ? netdev_notice (net/core/dev.c:13194)
[   56.389488][ T1058]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   56.389497][ T1058]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   56.389499][ T1058]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   56.389503][ T1058]  netif_set_promiscuity (net/core/dev.c:9699)
[   56.389507][ T1058]  dev_set_promiscuity (net/core/dev_api.c:288)
[   56.389508][ T1058]  ? dev_disable_lro (net/core/dev_api.c:267)
[   56.389511][ T1058] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   56.389516][ T1058] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   56.389521][ T1058] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   56.389525][ T1058]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   56.389529][ T1058] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   56.389535][ T1058]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   56.389538][ T1058]  ? __nla_validate_parse (lib/nlattr.c:635)
[   56.389544][ T1058]  ? __nla_parse (lib/nlattr.c:732)
[   56.389547][ T1058]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   56.389552][ T1058]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   56.389555][ T1058]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   56.389563][ T1058]  ? security_capable (security/security.c:660 (discriminator 11))
[   56.389568][ T1058]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   56.389572][ T1058]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   56.389574][ T1058]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.389576][ T1058]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   56.389580][ T1058]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.389586][ T1058]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   56.389589][ T1058]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.389591][ T1058]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   56.389595][ T1058]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.389602][ T1058]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.389604][ T1058]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.389608][ T1058]  genl_rcv (net/netlink/genetlink.c:1218)
[   56.389610][ T1058]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.389614][ T1058]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.389618][ T1058]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.389621][ T1058]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.389625][ T1058]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.389627][ T1058]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.389630][ T1058]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.389635][ T1058]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   56.389638][ T1058]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   56.389642][ T1058]  __sys_sendto (net/socket.c:2281)
[   56.389645][ T1058]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   56.389655][ T1058]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   56.389662][ T1058]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   56.389664][ T1058]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.389668][ T1058]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   56.389669][ T1058]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   56.389672][ T1058]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.389674][ T1058]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.389676][ T1058]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.389678][ T1058] RIP: 0033:0x7f0e15b6a312
[   56.389682][ T1058] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   56.389684][ T1058] RSP: 002b:00007fff2806d538 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   56.389686][ T1058] RAX: ffffffffffffffda RBX: 00007fff2806d668 RCX: 00007f0e15b6a312
[   56.389687][ T1058] RDX: 0000000000000030 RSI: 00007f0e1179e1b0 RDI: 0000000000000023
[   56.389688][ T1058] RBP: 00007fff2806d560 R08: 00007fff2806d6e0 R09: 000000000000000c
[   56.389689][ T1058] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e139ca270
[   56.389690][ T1058] R13: 00007fff2806d668 R14: 00007f0e1548901a R15: 00007fff2806da58
| [   73.443653][ T1198] softirqs last disabled at (34390): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   73.443656][ T1198] Preemption disabled at:
| [   73.443657][ T1198] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.443665][ T1198] Tainted: [W]=WARN
[   73.443666][ T1198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.443667][ T1198] Call Trace:
[   73.443669][ T1198]  <TASK>
[   73.443670][ T1198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.443676][ T1198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.443678][ T1198]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.443682][ T1198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.443686][ T1198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   73.443690][ T1198]  __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))
[   73.443692][ T1198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.443698][ T1198]  ? 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)
[   73.443701][ T1198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.443705][ T1198]  put_chars (drivers/char/virtio_console.c:1176)
[   73.443706][ T1198]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   73.443709][ T1198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.443711][ T1198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   73.443714][ T1198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.443717][ T1198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   73.443721][ T1198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.443725][ T1198]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   73.443727][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.443728][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.443732][ T1198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.443735][ T1198]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   73.443738][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.443740][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.443744][ T1198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.443748][ T1198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.443749][ T1198]  ? 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))
[   73.443753][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.443754][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.443758][ T1198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.443762][ T1198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.443764][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.443784][ T1198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.443787][ T1198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.443789][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.443791][ T1198]  ? 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)
[   73.443794][ T1198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.443796][ T1198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.443799][ T1198]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.443802][ T1198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.443804][ T1198]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   73.443808][ T1198]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   73.443813][ T1198]  _printk (kernel/printk/printk.c:2504)
[   73.443817][ T1198]  ? snapshot_read.cold (user.c:?)
[   73.443821][ T1198]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   73.443824][ T1198]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   73.443828][ T1198]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   73.443831][ T1198]  ? netdev_notice (net/core/dev.c:13194)
[   73.443832][ T1198]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   73.443837][ T1198]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   73.443842][ T1198]  ? 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)
[   73.443844][ T1198]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   73.443847][ T1198]  netif_set_promiscuity (net/core/dev.c:9699)
[   73.443851][ T1198]  dev_set_promiscuity (net/core/dev_api.c:288)
[   73.443853][ T1198]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   73.443856][ T1198] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   73.443863][ T1198] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   73.443868][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.443870][ T1198]  notifier_call_chain (kernel/notifier.c:85)
[   73.443875][ T1198]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   73.443880][ T1198]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   73.443887][ T1198]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   73.443889][ T1198]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   73.443891][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.443892][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.443895][ T1198]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   73.443915][ T1198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.443917][ T1198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.443920][ T1198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.443922][ T1198]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   73.443924][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.443928][ T1198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.443930][ T1198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.443932][ T1198]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   73.443934][ T1198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.443938][ T1198]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   73.443940][ T1198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.443943][ T1198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.443944][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.443948][ T1198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.443950][ T1198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.443954][ T1198]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.443956][ T1198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.443959][ T1198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.443965][ T1198]  ? 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))
[   73.443967][ T1198]  ? 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))
[   73.443972][ T1198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.443975][ T1198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.443978][ T1198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.443982][ T1198]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.443986][ T1198]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   73.443989][ T1198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.443991][ T1198]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   73.443996][ T1198]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   73.444000][ T1198]  ____sys_sendmsg (net/socket.c:2713)
[   73.444002][ T1198]  ? copy_msghdr_from_user (net/socket.c:2650)
[   73.444004][ T1198]  ? sock_write_iter (net/socket.c:1269)
[   73.444006][ T1198]  ? move_addr_to_kernel (net/socket.c:258)
[   73.444013][ T1198]  ___sys_sendmsg (net/socket.c:2767)
[   73.444016][ T1198]  ? copy_msghdr_from_user (net/socket.c:2619)
[   73.444031][ T1198]  __sys_sendmsg (net/socket.c:2799)
[   73.444033][ T1198]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   73.444040][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.444044][ T1198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.444047][ T1198]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   73.444050][ T1198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.444052][ T1198] RIP: 0033:0x7f50a507b54e
[   73.444055][ T1198] 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
[   73.444057][ T1198] RSP: 002b:00007ffcba95efc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.444060][ T1198] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f50a507b54e
[   73.444061][ T1198] RDX: 0000000000000000 RSI: 00007ffcba95f070 RDI: 0000000000000005
[   73.444062][ T1198] RBP: 00007ffcba95efd0 R08: 0000000000000000 R09: 0000000000000000
[   73.444063][ T1198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911565
[   73.444063][ T1198] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcba95f730
| [   76.306907][ T1256] softirqs last disabled at (377916): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   76.306910][ T1256] Preemption disabled at:
| [   76.306911][ T1256] vprintk_emit (kernel/printk/printk.c:2471)
| [   76.306919][ T1256] Tainted: [W]=WARN
[   76.306920][ T1256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.306921][ T1256] Call Trace:
[   76.306923][ T1256]  <TASK>
[   76.306925][ T1256]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.306930][ T1256]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   76.306932][ T1256]  __might_resched.cold (kernel/sched/core.c:9234)
[   76.306936][ T1256]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   76.306941][ T1256]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   76.306945][ T1256]  __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))
[   76.306947][ T1256]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.306953][ T1256]  ? 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)
[   76.306956][ T1256]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.306959][ T1256]  put_chars (drivers/char/virtio_console.c:1176)
[   76.306962][ T1256]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   76.306964][ T1256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   76.306967][ T1256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.306970][ T1256]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   76.306974][ T1256]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   76.306978][ T1256]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   76.306980][ T1256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.306982][ T1256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.306986][ T1256]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   76.306988][ T1256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.306992][ T1256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.306996][ T1256]  console_emit_next_record (kernel/printk/printk.c:3183)
[   76.307000][ T1256]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   76.307002][ T1256]  ? 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))
[   76.307005][ T1256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.307007][ T1256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.307011][ T1256]  console_flush_one_record (kernel/printk/printk.c:3268)
[   76.307015][ T1256]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   76.307017][ T1256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.307022][ T1256]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   76.307025][ T1256]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   76.307027][ T1256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.307028][ T1256]  ? 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)
[   76.307032][ T1256]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   76.307034][ T1256]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   76.307037][ T1256]  vprintk_emit (kernel/printk/printk.c:2479)
[   76.307043][ T1256]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   76.307045][ T1256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.307047][ T1256]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   76.307051][ T1256]  _printk (kernel/printk/printk.c:2504)
[   76.307055][ T1256]  ? snapshot_read.cold (user.c:?)
[   76.307057][ T1256]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   76.307062][ T1256]  ? idr_get_free (??:?)
[   76.307067][ T1256]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   76.307075][ T1256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   76.307081][ T1256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.307083][ T1256]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   76.307087][ T1256]  __nla_validate_parse (lib/nlattr.c:635)
[   76.307091][ T1256]  __nla_parse (lib/nlattr.c:732)
[   76.307094][ T1256]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   76.307099][ T1256]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   76.307102][ T1256]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   76.307110][ T1256]  ? security_capable (security/security.c:660 (discriminator 11))
[   76.307114][ T1256]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   76.307118][ T1256]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   76.307120][ T1256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.307123][ T1256]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   76.307130][ T1256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.307135][ T1256]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   76.307138][ T1256]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   76.307140][ T1256]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   76.307144][ T1256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   76.307150][ T1256]  ? 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))
[   76.307153][ T1256]  ? 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))
[   76.307156][ T1256]  genl_rcv (net/netlink/genetlink.c:1218)
[   76.307159][ T1256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   76.307162][ T1256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   76.307166][ T1256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.307169][ T1256]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   76.307173][ T1256]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   76.307175][ T1256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.307178][ T1256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.307183][ T1256]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   76.307185][ T1256]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   76.307189][ T1256]  __sys_sendto (net/socket.c:2281)
[   76.307192][ T1256]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   76.307202][ T1256]  ? fput_close_sync (fs/file_table.c:617)
[   76.307206][ T1256]  ? alloc_file_clone (fs/file_table.c:479)
[   76.307210][ T1256]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   76.307212][ T1256]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.307215][ T1256]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   76.307218][ T1256]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   76.307220][ T1256]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   76.307222][ T1256]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   76.307225][ T1256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.307227][ T1256] RIP: 0033:0x7f1d7ed6f312
[   76.307230][ T1256] 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)
[   76.307232][ T1256] RSP: 002b:00007ffc0da0c6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   76.307234][ T1256] RAX: ffffffffffffffda RBX: 00007ffc0da0c7f8 RCX: 00007f1d7ed6f312
[   76.307236][ T1256] RDX: 0000000000000048 RSI: 00007f1d7c9e74b0 RDI: 0000000000000020
[   76.307237][ T1256] RBP: 00007ffc0da0c6f0 R08: 00007ffc0da0c870 R09: 000000000000000c
[   76.307237][ T1256] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d7cbd20b0
[   76.307238][ T1256] R13: 00007ffc0da0c7f8 R14: 00007f1d7e68e01a R15: 00007ffc0da0cbe8
| [   77.563636][ T1309] softirqs last disabled at (391700): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   77.563638][ T1309] Preemption disabled at:
| [   77.563638][ T1309] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.563647][ T1309] Tainted: [W]=WARN
[   77.563647][ T1309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.563649][ T1309] Call Trace:
[   77.563651][ T1309]  <TASK>
[   77.563652][ T1309]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.563658][ T1309]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.563660][ T1309]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.563664][ T1309]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.563668][ T1309]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   77.563672][ T1309]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   77.563674][ T1309]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.563681][ T1309]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.563683][ T1309]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.563687][ T1309]  put_chars (drivers/char/virtio_console.c:1176)
[   77.563689][ T1309]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.563693][ T1309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.563696][ T1309]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.563700][ T1309]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.563704][ T1309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.563706][ T1309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.563710][ T1309]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.563714][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.563716][ T1309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.563720][ T1309]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.563724][ T1309]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.563726][ T1309]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   77.563729][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.563731][ T1309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.563735][ T1309]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.563739][ T1309]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.563741][ T1309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.563746][ T1309]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.563749][ T1309]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.563751][ T1309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.563753][ T1309]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   77.563756][ T1309]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.563758][ T1309]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.563761][ T1309]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.563764][ T1309]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.563769][ T1309]  _printk (kernel/printk/printk.c:2504)
[   77.563773][ T1309]  ? snapshot_read.cold (user.c:?)
[   77.563775][ T1309]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   77.563778][ T1309]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   77.563782][ T1309]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   77.563790][ T1309]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.563794][ T1309]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.563798][ T1309]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.563801][ T1309]  ? netdev_notice (net/core/dev.c:13194)
[   77.563803][ T1309]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   77.563811][ T1309]  ? 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)
[   77.563814][ T1309]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   77.563817][ T1309]  netif_set_promiscuity (net/core/dev.c:9699)
[   77.563821][ T1309]  dev_set_promiscuity (net/core/dev_api.c:288)
[   77.563823][ T1309]  ? dev_disable_lro (net/core/dev_api.c:267)
[   77.563825][ T1309] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   77.563829][ T1309] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   77.563834][ T1309] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   77.563839][ T1309]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   77.563843][ T1309] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   77.563849][ T1309]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   77.563852][ T1309]  ? __nla_validate_parse (lib/nlattr.c:635)
[   77.563858][ T1309]  ? __nla_parse (lib/nlattr.c:732)
[   77.563861][ T1309]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   77.563865][ T1309]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   77.563869][ T1309]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   77.563877][ T1309]  ? security_capable (security/security.c:660 (discriminator 11))
[   77.563881][ T1309]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   77.563885][ T1309]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   77.563887][ T1309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.563889][ T1309]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   77.563893][ T1309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.563899][ T1309]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   77.563902][ T1309]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.563904][ T1309]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   77.563907][ T1309]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.563915][ T1309]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.563916][ T1309]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.563920][ T1309]  genl_rcv (net/netlink/genetlink.c:1218)
[   77.563922][ T1309]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.563926][ T1309]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.563930][ T1309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.563934][ T1309]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.563938][ T1309]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.563939][ T1309]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.563942][ T1309]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.563947][ T1309]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   77.563950][ T1309]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   77.563954][ T1309]  __sys_sendto (net/socket.c:2281)
[   77.563957][ T1309]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   77.563962][ T1309]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   77.563971][ T1309]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.563974][ T1309]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   77.563976][ T1309]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   77.563980][ T1309]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   77.563983][ T1309]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   77.563986][ T1309]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.563988][ T1309]  ? irq_exit_rcu (kernel/softirq.c:786)
[   77.563992][ T1309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.563994][ T1309] RIP: 0033:0x7f59056d2312
[   77.563997][ T1309] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   77.563999][ T1309] RSP: 002b:00007ffe88505eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   77.564002][ T1309] RAX: ffffffffffffffda RBX: 00007ffe88505fe8 RCX: 00007f59056d2312
[   77.564003][ T1309] RDX: 0000000000000030 RSI: 00007f59001505f0 RDI: 0000000000000023
[   77.564004][ T1309] RBP: 00007ffe88505ee0 R08: 00007ffe88506060 R09: 000000000000000c
[   77.564004][ T1309] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5903532190
[   77.564005][ T1309] R13: 00007ffe88505fe8 R14: 00007f5904ff101a R15: 00007ffe885063d8
| [   78.762716][ T1350] softirqs last disabled at (390622): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   78.762718][ T1350] Preemption disabled at:
| [   78.762719][ T1350] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.762727][ T1350] Tainted: [W]=WARN
[   78.762728][ T1350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.762729][ T1350] Call Trace:
[   78.762731][ T1350]  <TASK>
[   78.762732][ T1350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.762738][ T1350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.762740][ T1350]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.762744][ T1350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.762748][ T1350]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   78.762752][ T1350]  __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))
[   78.762754][ T1350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.762761][ T1350]  ? 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)
[   78.762763][ T1350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.762767][ T1350]  put_chars (drivers/char/virtio_console.c:1176)
[   78.762769][ T1350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.762773][ T1350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.762776][ T1350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.762780][ T1350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.762785][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.762786][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.762797][ T1350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.762801][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.762803][ T1350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.762807][ T1350]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.762811][ T1350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.762813][ T1350]  ? 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))
[   78.762816][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.762818][ T1350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.762822][ T1350]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.762826][ T1350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.762828][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.762833][ T1350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.762836][ T1350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.762838][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.762840][ T1350]  ? 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)
[   78.762843][ T1350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.762845][ T1350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.762848][ T1350]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.762851][ T1350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.762857][ T1350]  _printk (kernel/printk/printk.c:2504)
[   78.762860][ T1350]  ? snapshot_read.cold (user.c:?)
[   78.762863][ T1350]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   78.762866][ T1350]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   78.762870][ T1350]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   78.762872][ T1350]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   78.762875][ T1350]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   78.762879][ T1350]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   78.762882][ T1350]  ? netdev_notice (net/core/dev.c:13194)
[   78.762884][ T1350]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   78.762893][ T1350]  ? 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)
[   78.762895][ T1350]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   78.762899][ T1350]  netif_set_promiscuity (net/core/dev.c:9699)
[   78.762902][ T1350]  dev_set_promiscuity (net/core/dev_api.c:288)
[   78.762904][ T1350]  ? dev_disable_lro (net/core/dev_api.c:267)
[   78.762906][ T1350] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   78.762912][ T1350] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   78.762916][ T1350] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   78.762920][ T1350]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   78.762925][ T1350] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   78.762930][ T1350]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   78.762934][ T1350]  ? __nla_validate_parse (lib/nlattr.c:635)
[   78.762940][ T1350]  ? __nla_parse (lib/nlattr.c:732)
[   78.762942][ T1350]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   78.762947][ T1350]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   78.762951][ T1350]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   78.762959][ T1350]  ? security_capable (security/security.c:660 (discriminator 11))
[   78.762964][ T1350]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   78.762967][ T1350]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   78.762970][ T1350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.762972][ T1350]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   78.762976][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.762981][ T1350]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   78.762985][ T1350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.762987][ T1350]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   78.762990][ T1350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.762997][ T1350]  ? 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))
[   78.762999][ T1350]  ? 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))
[   78.763003][ T1350]  genl_rcv (net/netlink/genetlink.c:1218)
[   78.763006][ T1350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.763010][ T1350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.763014][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.763017][ T1350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.763021][ T1350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   78.763023][ T1350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.763026][ T1350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.763031][ T1350]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   78.763034][ T1350]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   78.763038][ T1350]  __sys_sendto (net/socket.c:2281)
[   78.763044][ T1350]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   78.763046][ T1350]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   78.763053][ T1350]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   78.763061][ T1350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.763065][ T1350]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   78.763067][ T1350]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.763071][ T1350]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   78.763073][ T1350]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   78.763076][ T1350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.763078][ T1350]  ? irq_exit_rcu (kernel/softirq.c:786)
[   78.763082][ T1350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.763084][ T1350] RIP: 0033:0x7f01d49e2312
[   78.763088][ T1350] 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)
[   78.763089][ T1350] RSP: 002b:00007fff2c704358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   78.763092][ T1350] RAX: ffffffffffffffda RBX: 00007fff2c704488 RCX: 00007f01d49e2312
[   78.763093][ T1350] RDX: 0000000000000030 RSI: 00007f01d0628970 RDI: 0000000000000023
[   78.763094][ T1350] RBP: 00007fff2c704380 R08: 00007fff2c704500 R09: 000000000000000c
[   78.763095][ T1350] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f01d2842270
[   78.763096][ T1350] R13: 00007fff2c704488 R14: 00007f01d430101a R15: 00007fff2c704878
| [   84.949330][ T1503] softirqs last disabled at (27410): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   84.949332][ T1503] Preemption disabled at:
| [   84.949333][ T1503] vprintk_emit (kernel/printk/printk.c:2471)
| [   84.949341][ T1503] Tainted: [W]=WARN
[   84.949342][ T1503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.949344][ T1503] Call Trace:
[   84.949345][ T1503]  <TASK>
[   84.949347][ T1503]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   84.949352][ T1503]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   84.949354][ T1503]  __might_resched.cold (kernel/sched/core.c:9234)
[   84.949358][ T1503]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   84.949362][ T1503]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   84.949366][ T1503]  __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))
[   84.949368][ T1503]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.949374][ T1503]  ? 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)
[   84.949377][ T1503]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.949381][ T1503]  put_chars (drivers/char/virtio_console.c:1176)
[   84.949383][ T1503]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   84.949385][ T1503]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   84.949388][ T1503]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   84.949391][ T1503]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.949394][ T1503]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   84.949397][ T1503]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   84.949401][ T1503]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   84.949403][ T1503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.949405][ T1503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.949409][ T1503]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   84.949412][ T1503]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   84.949415][ T1503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.949417][ T1503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.949421][ T1503]  console_emit_next_record (kernel/printk/printk.c:3183)
[   84.949425][ T1503]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   84.949426][ T1503]  ? 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))
[   84.949429][ T1503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.949431][ T1503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.949435][ T1503]  console_flush_one_record (kernel/printk/printk.c:3268)
[   84.949439][ T1503]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   84.949441][ T1503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.949446][ T1503]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   84.949449][ T1503]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   84.949451][ T1503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.949453][ T1503]  ? 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)
[   84.949456][ T1503]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   84.949458][ T1503]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   84.949461][ T1503]  vprintk_emit (kernel/printk/printk.c:2479)
[   84.949464][ T1503]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   84.949465][ T1503]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   84.949470][ T1503]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   84.949475][ T1503]  _printk (kernel/printk/printk.c:2504)
[   84.949478][ T1503]  ? snapshot_read.cold (user.c:?)
[   84.949482][ T1503]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   84.949486][ T1503]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   84.949490][ T1503]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   84.949493][ T1503]  ? netdev_notice (net/core/dev.c:13194)
[   84.949494][ T1503]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   84.949499][ T1503]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   84.949504][ T1503]  ? 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)
[   84.949507][ T1503]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   84.949510][ T1503]  netif_set_promiscuity (net/core/dev.c:9699)
[   84.949514][ T1503]  dev_set_promiscuity (net/core/dev_api.c:288)
[   84.949516][ T1503]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   84.949519][ T1503] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   84.949526][ T1503] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   84.949531][ T1503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.949533][ T1503]  notifier_call_chain (kernel/notifier.c:85)
[   84.949539][ T1503]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   84.949543][ T1503]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   84.949550][ T1503]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   84.949552][ T1503]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   84.949554][ T1503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.949555][ T1503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.949558][ T1503]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   84.949578][ T1503]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.949580][ T1503]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.949583][ T1503]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.949585][ T1503]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   84.949587][ T1503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.949592][ T1503]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.949593][ T1503]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.949595][ T1503]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   84.949597][ T1503]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.949601][ T1503]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   84.949603][ T1503]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   84.949606][ T1503]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.949607][ T1503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.949612][ T1503]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.949613][ T1503]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.949617][ T1503]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.949620][ T1503]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.949623][ T1503]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.949629][ T1503]  ? 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))
[   84.949631][ T1503]  ? 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))
[   84.949635][ T1503]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.949639][ T1503]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.949642][ T1503]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.949646][ T1503]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.949650][ T1503]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   84.949653][ T1503]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.949655][ T1503]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   84.949660][ T1503]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.949664][ T1503]  ____sys_sendmsg (net/socket.c:2713)
[   84.949666][ T1503]  ? copy_msghdr_from_user (net/socket.c:2650)
[   84.949668][ T1503]  ? sock_write_iter (net/socket.c:1269)
[   84.949670][ T1503]  ? move_addr_to_kernel (net/socket.c:258)
[   84.949677][ T1503]  ___sys_sendmsg (net/socket.c:2767)
[   84.949680][ T1503]  ? copy_msghdr_from_user (net/socket.c:2619)
[   84.949695][ T1503]  __sys_sendmsg (net/socket.c:2799)
[   84.949698][ T1503]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   84.949704][ T1503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.949707][ T1503]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.949710][ T1503]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   84.949713][ T1503]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.949715][ T1503] RIP: 0033:0x7f4e1958a54e
[   84.949719][ T1503] 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
[   84.949720][ T1503] RSP: 002b:00007ffc77065ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.949723][ T1503] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4e1958a54e
[   84.949724][ T1503] RDX: 0000000000000000 RSI: 00007ffc77065d50 RDI: 0000000000000005
[   84.949725][ T1503] RBP: 00007ffc77065cb0 R08: 0000000000000000 R09: 0000000000000000
[   84.949726][ T1503] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911571
[   84.949727][ T1503] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc77066410
| [   87.903590][ T1561] softirqs last disabled at (372714): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   87.903593][ T1561] Preemption disabled at:
| [   87.903593][ T1561] vprintk_emit (kernel/printk/printk.c:2471)
| [   87.903602][ T1561] Tainted: [W]=WARN
[   87.903603][ T1561] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.903604][ T1561] Call Trace:
[   87.903606][ T1561]  <TASK>
[   87.903607][ T1561]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.903613][ T1561]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   87.903615][ T1561]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.903619][ T1561]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.903623][ T1561]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   87.903628][ T1561]  __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))
[   87.903629][ T1561]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.903636][ T1561]  ? 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)
[   87.903639][ T1561]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.903642][ T1561]  put_chars (drivers/char/virtio_console.c:1176)
[   87.903645][ T1561]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.903647][ T1561]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   87.903650][ T1561]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.903653][ T1561]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   87.903657][ T1561]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.903661][ T1561]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   87.903663][ T1561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.903664][ T1561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.903669][ T1561]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.903670][ T1561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.903675][ T1561]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.903678][ T1561]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.903682][ T1561]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.903684][ T1561]  ? 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))
[   87.903687][ T1561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.903689][ T1561]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.903693][ T1561]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.903697][ T1561]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.903699][ T1561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.903705][ T1561]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.903707][ T1561]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.903709][ T1561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.903711][ T1561]  ? 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)
[   87.903715][ T1561]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.903716][ T1561]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.903719][ T1561]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.903722][ T1561]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.903724][ T1561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.903726][ T1561]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   87.903730][ T1561]  _printk (kernel/printk/printk.c:2504)
[   87.903734][ T1561]  ? snapshot_read.cold (user.c:?)
[   87.903736][ T1561]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   87.903742][ T1561]  ? idr_get_free (??:?)
[   87.903746][ T1561]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   87.903755][ T1561]  ? nla_get_range_signed (lib/nlattr.c:270)
[   87.903761][ T1561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.903763][ T1561]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   87.903767][ T1561]  __nla_validate_parse (lib/nlattr.c:635)
[   87.903772][ T1561]  __nla_parse (lib/nlattr.c:732)
[   87.903775][ T1561]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   87.903779][ T1561]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   87.903783][ T1561]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   87.903791][ T1561]  ? security_capable (security/security.c:660 (discriminator 11))
[   87.903795][ T1561]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   87.903799][ T1561]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   87.903801][ T1561]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.903804][ T1561]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   87.903811][ T1561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.903816][ T1561]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   87.903819][ T1561]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.903821][ T1561]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   87.903831][ T1561]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.903838][ T1561]  ? 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))
[   87.903840][ T1561]  ? 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))
[   87.903844][ T1561]  genl_rcv (net/netlink/genetlink.c:1218)
[   87.903846][ T1561]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.903850][ T1561]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.903853][ T1561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.903856][ T1561]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.903860][ T1561]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.903862][ T1561]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.903865][ T1561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.903870][ T1561]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   87.903872][ T1561]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   87.903876][ T1561]  __sys_sendto (net/socket.c:2281)
[   87.903879][ T1561]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   87.903889][ T1561]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   87.903895][ T1561]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   87.903897][ T1561]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.903901][ T1561]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   87.903902][ T1561]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   87.903904][ T1561]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.903906][ T1561]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.903909][ T1561]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.903911][ T1561] RIP: 0033:0x7f7eb8a30312
[   87.903915][ T1561] 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)
[   87.903916][ T1561] RSP: 002b:00007ffddefae788 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   87.903919][ T1561] RAX: ffffffffffffffda RBX: 00007ffddefae8b8 RCX: 00007f7eb8a30312
[   87.903921][ T1561] RDX: 0000000000000040 RSI: 00007f7eb4624030 RDI: 0000000000000020
[   87.903922][ T1561] RBP: 00007ffddefae7b0 R08: 00007ffddefae930 R09: 000000000000000c
[   87.903922][ T1561] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7eb689a0b0
[   87.903923][ T1561] R13: 00007ffddefae8b8 R14: 00007f7eb834f01a R15: 00007ffddefaeca8
| [   89.944155][ T1633] softirqs last disabled at (386427): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   89.944157][ T1633] Preemption disabled at:
| [   89.944158][ T1633] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.944167][ T1633] Tainted: [W]=WARN
[   89.944167][ T1633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.944169][ T1633] Call Trace:
[   89.944170][ T1633]  <TASK>
[   89.944172][ T1633]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.944178][ T1633]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.944180][ T1633]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.944184][ T1633]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.944188][ T1633]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   89.944192][ T1633]  __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))
[   89.944194][ T1633]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.944201][ T1633]  ? 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)
[   89.944203][ T1633]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.944207][ T1633]  put_chars (drivers/char/virtio_console.c:1176)
[   89.944209][ T1633]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.944212][ T1633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.944215][ T1633]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.944219][ T1633]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.944224][ T1633]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.944225][ T1633]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.944230][ T1633]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.944233][ T1633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.944235][ T1633]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.944239][ T1633]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.944243][ T1633]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.944245][ T1633]  ? 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))
[   89.944248][ T1633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.944250][ T1633]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.944254][ T1633]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.944258][ T1633]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.944260][ T1633]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.944265][ T1633]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.944268][ T1633]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.944270][ T1633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.944271][ T1633]  ? 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)
[   89.944275][ T1633]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.944277][ T1633]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.944279][ T1633]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.944282][ T1633]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.944288][ T1633]  _printk (kernel/printk/printk.c:2504)
[   89.944291][ T1633]  ? snapshot_read.cold (user.c:?)
[   89.944294][ T1633]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   89.944297][ T1633]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   89.944301][ T1633]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   89.944302][ T1633]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.944306][ T1633]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.944309][ T1633]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.944312][ T1633]  ? netdev_notice (net/core/dev.c:13194)
[   89.944314][ T1633]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   89.944323][ T1633]  ? 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)
[   89.944325][ T1633]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   89.944328][ T1633]  netif_set_promiscuity (net/core/dev.c:9699)
[   89.944332][ T1633]  dev_set_promiscuity (net/core/dev_api.c:288)
[   89.944334][ T1633]  ? dev_disable_lro (net/core/dev_api.c:267)
[   89.944336][ T1633] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   89.944341][ T1633] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   89.944346][ T1633] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   89.944350][ T1633]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   89.944354][ T1633] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   89.944360][ T1633]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   89.944363][ T1633]  ? __nla_validate_parse (lib/nlattr.c:635)
[   89.944369][ T1633]  ? __nla_parse (lib/nlattr.c:732)
[   89.944371][ T1633]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   89.944376][ T1633]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   89.944380][ T1633]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   89.944388][ T1633]  ? security_capable (security/security.c:660 (discriminator 11))
[   89.944392][ T1633]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   89.944396][ T1633]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   89.944398][ T1633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.944400][ T1633]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   89.944404][ T1633]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.944410][ T1633]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   89.944413][ T1633]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.944415][ T1633]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   89.944418][ T1633]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.944425][ T1633]  ? 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))
[   89.944427][ T1633]  ? 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))
[   89.944431][ T1633]  genl_rcv (net/netlink/genetlink.c:1218)
[   89.944433][ T1633]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.944437][ T1633]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.944441][ T1633]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.944444][ T1633]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.944448][ T1633]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.944450][ T1633]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.944453][ T1633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.944458][ T1633]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.944461][ T1633]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   89.944464][ T1633]  __sys_sendto (net/socket.c:2281)
[   89.944468][ T1633]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   89.944478][ T1633]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   89.944485][ T1633]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   89.944487][ T1633]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.944490][ T1633]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   89.944492][ T1633]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   89.944494][ T1633]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.944496][ T1633]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.944499][ T1633]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.944501][ T1633] RIP: 0033:0x7ff2fc9c0312
[   89.944504][ T1633] 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)
[   89.944506][ T1633] RSP: 002b:00007ffe0c0e6048 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   89.944508][ T1633] RAX: ffffffffffffffda RBX: 00007ffe0c0e6178 RCX: 00007ff2fc9c0312
[   89.944510][ T1633] RDX: 0000000000000034 RSI: 00007ff2f85dbfb0 RDI: 0000000000000023
[   89.944510][ T1633] RBP: 00007ffe0c0e6070 R08: 00007ffe0c0e61f0 R09: 000000000000000c
[   89.944511][ T1633] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2fa82a190
[   89.944512][ T1633] R13: 00007ffe0c0e6178 R14: 00007ff2fc2df01a R15: 00007ffe0c0e6568
| [   91.145604][ T1671] softirqs last disabled at (390094): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   91.145606][ T1671] Preemption disabled at:
| [   91.145606][ T1671] vprintk_emit (kernel/printk/printk.c:2471)
| [   91.145615][ T1671] Tainted: [W]=WARN
[   91.145615][ T1671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.145617][ T1671] Call Trace:
[   91.145619][ T1671]  <TASK>
[   91.145620][ T1671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.145626][ T1671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   91.145628][ T1671]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.145632][ T1671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.145636][ T1671]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   91.145641][ T1671]  __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))
[   91.145643][ T1671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.145650][ T1671]  ? 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)
[   91.145652][ T1671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.145656][ T1671]  put_chars (drivers/char/virtio_console.c:1176)
[   91.145658][ T1671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.145661][ T1671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.145665][ T1671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   91.145669][ T1671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.145673][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.145675][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.145679][ T1671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.145683][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.145685][ T1671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.145689][ T1671]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.145693][ T1671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.145695][ T1671]  ? 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))
[   91.145698][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.145700][ T1671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.145704][ T1671]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.145708][ T1671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.145710][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.145715][ T1671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.145718][ T1671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.145720][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.145722][ T1671]  ? 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)
[   91.145725][ T1671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.145727][ T1671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.145730][ T1671]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.145733][ T1671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.145739][ T1671]  _printk (kernel/printk/printk.c:2504)
[   91.145742][ T1671]  ? snapshot_read.cold (user.c:?)
[   91.145745][ T1671]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   91.145748][ T1671]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   91.145752][ T1671]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   91.145753][ T1671]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   91.145757][ T1671]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   91.145761][ T1671]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   91.145764][ T1671]  ? netdev_notice (net/core/dev.c:13194)
[   91.145766][ T1671]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   91.145774][ T1671]  ? 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)
[   91.145777][ T1671]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   91.145780][ T1671]  netif_set_promiscuity (net/core/dev.c:9699)
[   91.145784][ T1671]  dev_set_promiscuity (net/core/dev_api.c:288)
[   91.145786][ T1671]  ? dev_disable_lro (net/core/dev_api.c:267)
[   91.145788][ T1671] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   91.145793][ T1671] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   91.145798][ T1671] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   91.145802][ T1671]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   91.145807][ T1671] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   91.145812][ T1671]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   91.145816][ T1671]  ? __nla_validate_parse (lib/nlattr.c:635)
[   91.145822][ T1671]  ? __nla_parse (lib/nlattr.c:732)
[   91.145824][ T1671]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   91.145829][ T1671]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   91.145833][ T1671]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   91.145845][ T1671]  ? security_capable (security/security.c:660 (discriminator 11))
[   91.145850][ T1671]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   91.145854][ T1671]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   91.145856][ T1671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.145858][ T1671]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   91.145862][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.145868][ T1671]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   91.145871][ T1671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.145873][ T1671]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   91.145876][ T1671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.145884][ T1671]  ? 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))
[   91.145886][ T1671]  ? 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))
[   91.145890][ T1671]  genl_rcv (net/netlink/genetlink.c:1218)
[   91.145892][ T1671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.145896][ T1671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.145900][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.145903][ T1671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.145907][ T1671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.145909][ T1671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.145912][ T1671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.145917][ T1671]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.145919][ T1671]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   91.145923][ T1671]  __sys_sendto (net/socket.c:2281)
[   91.145926][ T1671]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   91.145937][ T1671]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   91.145944][ T1671]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   91.145946][ T1671]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   91.145949][ T1671]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   91.145951][ T1671]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   91.145953][ T1671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.145955][ T1671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.145958][ T1671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.145960][ T1671] RIP: 0033:0x7f4d01255312
[   91.145963][ T1671] 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)
[   91.145965][ T1671] RSP: 002b:00007ffdf151fb78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   91.145968][ T1671] RAX: ffffffffffffffda RBX: 00007ffdf151fca8 RCX: 00007f4d01255312
[   91.145969][ T1671] RDX: 0000000000000034 RSI: 00007f4cfce78ef0 RDI: 0000000000000023
[   91.145970][ T1671] RBP: 00007ffdf151fba0 R08: 00007ffdf151fd20 R09: 000000000000000c
[   91.145970][ T1671] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4cff0ae270
[   91.145971][ T1671] R13: 00007ffdf151fca8 R14: 00007f4d00b7401a R15: 00007ffdf1520098
| [   92.691107][ T1703] softirqs last disabled at (392514): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   92.691109][ T1703] Preemption disabled at:
| [   92.691110][ T1703] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.691118][ T1703] Tainted: [W]=WARN
[   92.691119][ T1703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.691120][ T1703] Call Trace:
[   92.691122][ T1703]  <TASK>
[   92.691123][ T1703]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.691129][ T1703]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.691131][ T1703]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.691135][ T1703]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.691139][ T1703]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   92.691144][ T1703]  __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))
[   92.691146][ T1703]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.691152][ T1703]  ? 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)
[   92.691155][ T1703]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.691159][ T1703]  put_chars (drivers/char/virtio_console.c:1176)
[   92.691161][ T1703]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.691163][ T1703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   92.691166][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.691172][ T1703]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.691179][ T1703]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.691182][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.691184][ T1703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.691188][ T1703]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.691192][ T1703]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.691194][ T1703]  ? 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))
[   92.691197][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.691199][ T1703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.691203][ T1703]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.691207][ T1703]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.691209][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.691215][ T1703]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.691218][ T1703]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.691219][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.691221][ T1703]  ? 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)
[   92.691225][ T1703]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.691227][ T1703]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.691230][ T1703]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.691233][ T1703]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.691234][ T1703]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   92.691239][ T1703]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   92.691244][ T1703]  _printk (kernel/printk/printk.c:2504)
[   92.691248][ T1703]  ? snapshot_read.cold (user.c:?)
[   92.691252][ T1703]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   92.691256][ T1703]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   92.691260][ T1703]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   92.691263][ T1703]  ? netdev_notice (net/core/dev.c:13194)
[   92.691264][ T1703]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   92.691268][ T1703]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   92.691274][ T1703]  ? 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)
[   92.691276][ T1703]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   92.691280][ T1703]  netif_set_promiscuity (net/core/dev.c:9699)
[   92.691284][ T1703]  dev_set_promiscuity (net/core/dev_api.c:288)
[   92.691285][ T1703]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   92.691289][ T1703] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   92.691293][ T1703]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[   92.691296][ T1703] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[   92.691301][ T1703] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[   92.691308][ T1703]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   92.691312][ T1703]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   92.691320][ T1703]  ? security_capable (security/security.c:660 (discriminator 11))
[   92.691325][ T1703]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   92.691328][ T1703]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   92.691331][ T1703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.691334][ T1703]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[   92.691338][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.691344][ T1703]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   92.691347][ T1703]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   92.691349][ T1703]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   92.691353][ T1703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.691360][ T1703]  ? 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))
[   92.691361][ T1703]  ? 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))
[   92.691365][ T1703]  genl_rcv (net/netlink/genetlink.c:1218)
[   92.691368][ T1703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.691372][ T1703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.691374][ T1703]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   92.691378][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.691382][ T1703]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   92.691386][ T1703]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   92.691388][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.691391][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.691396][ T1703]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   92.691399][ T1703]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   92.691402][ T1703]  __sys_sendto (net/socket.c:2281)
[   92.691406][ T1703]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   92.691411][ T1703]  ? do_futex (kernel/futex/syscalls.c:133)
[   92.691414][ T1703]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[   92.691420][ T1703]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   92.691427][ T1703]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   92.691429][ T1703]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.691433][ T1703]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   92.691435][ T1703]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   92.691438][ T1703]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   92.691440][ T1703]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   92.691442][ T1703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.691444][ T1703] RIP: 0033:0x7fd0e87f1312
[   92.691448][ T1703] 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)
[   92.691450][ T1703] RSP: 002b:00007ffdcacc27a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   92.691452][ T1703] RAX: ffffffffffffffda RBX: 00007ffdcacc28d8 RCX: 00007fd0e87f1312
[   92.691453][ T1703] RDX: 0000000000000024 RSI: 00007fd0e65209c0 RDI: 0000000000000023
[   92.691454][ T1703] RBP: 00007ffdcacc27d0 R08: 00007ffdcacc2950 R09: 000000000000000c
[   92.691455][ T1703] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd0e664a270
[   92.691456][ T1703] R13: 00007ffdcacc28d8 R14: 00007fd0e811001a R15: 00007ffdcacc2cc8
| [   94.155832][ T1739] softirqs last disabled at (383320): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   94.155834][ T1739] Preemption disabled at:
| [   94.155835][ T1739] vprintk_emit (kernel/printk/printk.c:2471)
| [   94.155843][ T1739] Tainted: [W]=WARN
[   94.155844][ T1739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.155845][ T1739] Call Trace:
[   94.155847][ T1739]  <TASK>
[   94.155849][ T1739]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   94.155861][ T1739]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   94.155863][ T1739]  __might_resched.cold (kernel/sched/core.c:9234)
[   94.155867][ T1739]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   94.155871][ T1739]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   94.155875][ T1739]  __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))
[   94.155877][ T1739]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.155883][ T1739]  ? 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)
[   94.155886][ T1739]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.155890][ T1739]  put_chars (drivers/char/virtio_console.c:1176)
[   94.155892][ T1739]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   94.155893][ T1739]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   94.155897][ T1739]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   94.155902][ T1739]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   94.155909][ T1739]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   94.155912][ T1739]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.155914][ T1739]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.155918][ T1739]  console_emit_next_record (kernel/printk/printk.c:3183)
[   94.155922][ T1739]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   94.155924][ T1739]  ? 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))
[   94.155927][ T1739]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.155928][ T1739]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.155932][ T1739]  console_flush_one_record (kernel/printk/printk.c:3268)
[   94.155936][ T1739]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   94.155938][ T1739]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.155943][ T1739]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   94.155946][ T1739]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   94.155948][ T1739]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.155949][ T1739]  ? 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)
[   94.155953][ T1739]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   94.155955][ T1739]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   94.155957][ T1739]  vprintk_emit (kernel/printk/printk.c:2479)
[   94.155960][ T1739]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   94.155962][ T1739]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.155967][ T1739]  _printk (kernel/printk/printk.c:2504)
[   94.155970][ T1739]  ? snapshot_read.cold (user.c:?)
[   94.155972][ T1739]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   94.155978][ T1739]  ? idr_get_free (??:?)
[   94.155980][ T1739]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[   94.155989][ T1739] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[   94.155996][ T1739]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   94.156001][ T1739]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   94.156003][ T1739]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[   94.156005][ T1739]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   94.156007][ T1739]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   94.156010][ T1739]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.156011][ T1739]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.156013][ T1739]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.156016][ T1739]  ? __sys_sendto (net/socket.c:2281)
[   94.156018][ T1739]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   94.156036][ T1739]  ? __nla_parse (lib/nlattr.c:732)
[   94.156044][ T1739]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   94.156048][ T1739]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   94.156052][ T1739]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   94.156059][ T1739]  ? security_capable (security/security.c:660 (discriminator 11))
[   94.156063][ T1739]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   94.156067][ T1739]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   94.156069][ T1739]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.156072][ T1739]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   94.156077][ T1739]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.156082][ T1739]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   94.156085][ T1739]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.156087][ T1739]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   94.156090][ T1739]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.156097][ T1739]  ? 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))
[   94.156099][ T1739]  ? 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))
[   94.156103][ T1739]  genl_rcv (net/netlink/genetlink.c:1218)
[   94.156105][ T1739]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.156109][ T1739]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.156112][ T1739]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.156116][ T1739]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.156120][ T1739]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   94.156121][ T1739]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.156124][ T1739]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.156129][ T1739]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.156130][ T1739]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   94.156134][ T1739]  __sys_sendto (net/socket.c:2281)
[   94.156137][ T1739]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   94.156147][ T1739]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   94.156152][ T1739]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   94.156154][ T1739]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.156158][ T1739]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   94.156159][ T1739]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   94.156162][ T1739]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.156164][ T1739]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   94.156166][ T1739]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.156168][ T1739] RIP: 0033:0x7fa133ba0312
[   94.156171][ T1739] 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)
[   94.156173][ T1739] RSP: 002b:00007fff99d50848 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   94.156176][ T1739] RAX: ffffffffffffffda RBX: 00007fff99d50978 RCX: 00007fa133ba0312
[   94.156177][ T1739] RDX: 00000000000000e4 RSI: 00007fa1318c5020 RDI: 0000000000000026
[   94.156178][ T1739] RBP: 00007fff99d50870 R08: 00007fff99d509f0 R09: 000000000000000c
[   94.156179][ T1739] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa131a0a2e0
[   94.156180][ T1739] R13: 00007fff99d50978 R14: 00007fa1334bf01a R15: 00007fff99d50d68
| [   95.312771][ T1789] softirqs last disabled at (29948): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   95.312773][ T1789] Preemption disabled at:
| [   95.312774][ T1789] vprintk_emit (kernel/printk/printk.c:2471)
| [   95.312782][ T1789] Tainted: [W]=WARN
[   95.312783][ T1789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.312785][ T1789] Call Trace:
[   95.312786][ T1789]  <TASK>
[   95.312788][ T1789]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   95.312794][ T1789]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   95.312795][ T1789]  __might_resched.cold (kernel/sched/core.c:9234)
[   95.312799][ T1789]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   95.312804][ T1789]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   95.312808][ T1789]  __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))
[   95.312810][ T1789]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.312816][ T1789]  ? 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)
[   95.312818][ T1789]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.312822][ T1789]  put_chars (drivers/char/virtio_console.c:1176)
[   95.312824][ T1789]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   95.312826][ T1789]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   95.312829][ T1789]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   95.312832][ T1789]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   95.312834][ T1789]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   95.312838][ T1789]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   95.312842][ T1789]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   95.312844][ T1789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.312846][ T1789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.312850][ T1789]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   95.312852][ T1789]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   95.312860][ T1789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.312862][ T1789]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.312866][ T1789]  console_emit_next_record (kernel/printk/printk.c:3183)
[   95.312870][ T1789]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   95.312872][ T1789]  ? 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))
[   95.312875][ T1789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.312876][ T1789]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.312880][ T1789]  console_flush_one_record (kernel/printk/printk.c:3268)
[   95.312884][ T1789]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   95.312886][ T1789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.312891][ T1789]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   95.312894][ T1789]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   95.312896][ T1789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.312898][ T1789]  ? 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)
[   95.312901][ T1789]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   95.312903][ T1789]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   95.312906][ T1789]  vprintk_emit (kernel/printk/printk.c:2479)
[   95.312909][ T1789]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   95.312910][ T1789]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   95.312915][ T1789]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   95.312919][ T1789]  _printk (kernel/printk/printk.c:2504)
[   95.312923][ T1789]  ? snapshot_read.cold (user.c:?)
[   95.312927][ T1789]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   95.312931][ T1789]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   95.312935][ T1789]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   95.312937][ T1789]  ? netdev_notice (net/core/dev.c:13194)
[   95.312939][ T1789]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   95.312943][ T1789]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   95.312948][ T1789]  ? 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)
[   95.312951][ T1789]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   95.312954][ T1789]  netif_set_promiscuity (net/core/dev.c:9699)
[   95.312958][ T1789]  dev_set_promiscuity (net/core/dev_api.c:288)
[   95.312960][ T1789]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.312962][ T1789] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   95.312970][ T1789] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   95.312974][ T1789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.312977][ T1789]  notifier_call_chain (kernel/notifier.c:85)
[   95.312982][ T1789]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   95.312987][ T1789]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   95.312994][ T1789]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   95.312996][ T1789]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   95.312998][ T1789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.312999][ T1789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.313002][ T1789]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   95.313022][ T1789]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   95.313024][ T1789]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.313027][ T1789]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.313029][ T1789]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   95.313031][ T1789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.313036][ T1789]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   95.313038][ T1789]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.313041][ T1789]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   95.313043][ T1789]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.313047][ T1789]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   95.313049][ T1789]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.313052][ T1789]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.313054][ T1789]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.313058][ T1789]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   95.313060][ T1789]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.313063][ T1789]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.313066][ T1789]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.313069][ T1789]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   95.313075][ T1789]  ? 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))
[   95.313077][ T1789]  ? 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))
[   95.313082][ T1789]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.313086][ T1789]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   95.313088][ T1789]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.313092][ T1789]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.313096][ T1789]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   95.313100][ T1789]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.313101][ T1789]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   95.313107][ T1789]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   95.313111][ T1789]  ____sys_sendmsg (net/socket.c:2713)
[   95.313113][ T1789]  ? copy_msghdr_from_user (net/socket.c:2650)
[   95.313115][ T1789]  ? sock_write_iter (net/socket.c:1269)
[   95.313117][ T1789]  ? move_addr_to_kernel (net/socket.c:258)
[   95.313124][ T1789]  ___sys_sendmsg (net/socket.c:2767)
[   95.313126][ T1789]  ? copy_msghdr_from_user (net/socket.c:2619)
[   95.313142][ T1789]  __sys_sendmsg (net/socket.c:2799)
[   95.313144][ T1789]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   95.313150][ T1789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.313153][ T1789]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.313156][ T1789]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   95.313159][ T1789]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.313161][ T1789] RIP: 0033:0x7fbfdb7a554e
[   95.313165][ T1789] 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
[   95.313166][ T1789] RSP: 002b:00007ffc95be10b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   95.313169][ T1789] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbfdb7a554e
[   95.313170][ T1789] RDX: 0000000000000000 RSI: 00007ffc95be1160 RDI: 0000000000000005
[   95.313171][ T1789] RBP: 00007ffc95be10c0 R08: 0000000000000000 R09: 0000000000000000
[   95.313172][ T1789] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91157b
[   95.313173][ T1789] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc95be1820
| [   98.724700][ T1854] softirqs last disabled at (385182): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   98.724702][ T1854] Preemption disabled at:
| [   98.724702][ T1854] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.724710][ T1854] Tainted: [W]=WARN
[   98.724711][ T1854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.724712][ T1854] Call Trace:
[   98.724714][ T1854]  <TASK>
[   98.724715][ T1854]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.724721][ T1854]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.724723][ T1854]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.724727][ T1854]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.724731][ T1854]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   98.724735][ T1854]  __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))
[   98.724737][ T1854]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.724744][ T1854]  ? 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)
[   98.724747][ T1854]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.724750][ T1854]  put_chars (drivers/char/virtio_console.c:1176)
[   98.724753][ T1854]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.724759][ T1854]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.724766][ T1854]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.724769][ T1854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.724774][ T1854]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.724778][ T1854]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.724779][ T1854]  ? 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))
[   98.724783][ T1854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.724785][ T1854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.724789][ T1854]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.724793][ T1854]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.724795][ T1854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.724800][ T1854]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.724803][ T1854]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.724805][ T1854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.724807][ T1854]  ? 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)
[   98.724810][ T1854]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.724812][ T1854]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.724815][ T1854]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.724818][ T1854]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.724819][ T1854]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   98.724821][ T1854]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   98.724824][ T1854]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   98.724826][ T1854]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   98.724831][ T1854]  _printk (kernel/printk/printk.c:2504)
[   98.724834][ T1854]  ? snapshot_read.cold (user.c:?)
[   98.724838][ T1854]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.724842][ T1854]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.724846][ T1854]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.724848][ T1854]  ? netdev_notice (net/core/dev.c:13194)
[   98.724851][ T1854]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   98.724854][ T1854]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[   98.724859][ T1854]  ? register_netdevice (net/core/dev.c:11556)
[   98.724861][ T1854]  ? 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)
[   98.724864][ T1854]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   98.724866][ T1854]  ? unregister_netdev (net/core/dev.c:12699)
[   98.724874][ T1854]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[   98.724877][ T1854]  netif_set_promiscuity (net/core/dev.c:9699)
[   98.724880][ T1854]  dev_set_promiscuity (net/core/dev_api.c:288)
[   98.724883][ T1854] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[   98.724889][ T1854] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   98.724893][ T1854] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   98.724899][ T1854] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[   98.724906][ T1854]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   98.724909][ T1854]  ? __nla_validate_parse (lib/nlattr.c:635)
[   98.724915][ T1854]  ? __nla_parse (lib/nlattr.c:732)
[   98.724917][ T1854]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   98.724922][ T1854]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   98.724926][ T1854]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   98.724934][ T1854]  ? security_capable (security/security.c:660 (discriminator 11))
[   98.724938][ T1854]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   98.724942][ T1854]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   98.724945][ T1854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.724947][ T1854]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   98.724951][ T1854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.724957][ T1854]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   98.724960][ T1854]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   98.724962][ T1854]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   98.724966][ T1854]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.724973][ T1854]  ? 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))
[   98.724975][ T1854]  ? 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))
[   98.724979][ T1854]  genl_rcv (net/netlink/genetlink.c:1218)
[   98.724981][ T1854]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.724985][ T1854]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.724993][ T1854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.724996][ T1854]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   98.725000][ T1854]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   98.725002][ T1854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   98.725005][ T1854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.725010][ T1854]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   98.725013][ T1854]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   98.725017][ T1854]  __sys_sendto (net/socket.c:2281)
[   98.725020][ T1854]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   98.725031][ T1854]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   98.725036][ T1854]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   98.725038][ T1854]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.725042][ T1854]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   98.725043][ T1854]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   98.725046][ T1854]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   98.725048][ T1854]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   98.725050][ T1854]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.725052][ T1854] RIP: 0033:0x7fa96da77312
[   98.725056][ T1854] 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)
[   98.725058][ T1854] RSP: 002b:00007ffddd697cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   98.725060][ T1854] RAX: ffffffffffffffda RBX: 00007ffddd697e28 RCX: 00007fa96da77312
[   98.725062][ T1854] RDX: 0000000000000030 RSI: 00007fa9696795f0 RDI: 0000000000000020
[   98.725062][ T1854] RBP: 00007ffddd697d20 R08: 00007ffddd697ea0 R09: 000000000000000c
[   98.725063][ T1854] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa96b8da0b0
[   98.725064][ T1854] R13: 00007ffddd697e28 R14: 00007fa96d39601a R15: 00007ffddd698218
| [  100.004322][ T1903] softirqs last disabled at (401374): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  100.004324][ T1903] Preemption disabled at:
| [  100.004324][ T1903] vprintk_emit (kernel/printk/printk.c:2471)
| [  100.004333][ T1903] Tainted: [W]=WARN
[  100.004334][ T1903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.004335][ T1903] Call Trace:
[  100.004337][ T1903]  <TASK>
[  100.004338][ T1903]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  100.004344][ T1903]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  100.004346][ T1903]  __might_resched.cold (kernel/sched/core.c:9234)
[  100.004350][ T1903]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  100.004354][ T1903]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  100.004358][ T1903]  __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))
[  100.004360][ T1903]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.004367][ T1903]  ? 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)
[  100.004370][ T1903]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.004373][ T1903]  put_chars (drivers/char/virtio_console.c:1176)
[  100.004376][ T1903]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  100.004379][ T1903]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.004382][ T1903]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  100.004386][ T1903]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  100.004391][ T1903]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.004392][ T1903]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.004397][ T1903]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  100.004401][ T1903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.004403][ T1903]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.004407][ T1903]  console_emit_next_record (kernel/printk/printk.c:3183)
[  100.004411][ T1903]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  100.004413][ T1903]  ? 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))
[  100.004416][ T1903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.004418][ T1903]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.004422][ T1903]  console_flush_one_record (kernel/printk/printk.c:3268)
[  100.004426][ T1903]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  100.004428][ T1903]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.004433][ T1903]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  100.004436][ T1903]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  100.004438][ T1903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.004440][ T1903]  ? 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)
[  100.004443][ T1903]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  100.004445][ T1903]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  100.004448][ T1903]  vprintk_emit (kernel/printk/printk.c:2479)
[  100.004451][ T1903]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  100.004456][ T1903]  _printk (kernel/printk/printk.c:2504)
[  100.004460][ T1903]  ? snapshot_read.cold (user.c:?)
[  100.004463][ T1903]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  100.004466][ T1903]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  100.004470][ T1903]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  100.004472][ T1903]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  100.004476][ T1903]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  100.004480][ T1903]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  100.004482][ T1903]  ? netdev_notice (net/core/dev.c:13194)
[  100.004484][ T1903]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  100.004493][ T1903]  ? 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)
[  100.004495][ T1903]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  100.004499][ T1903]  netif_set_promiscuity (net/core/dev.c:9699)
[  100.004502][ T1903]  dev_set_promiscuity (net/core/dev_api.c:288)
[  100.004504][ T1903]  ? dev_disable_lro (net/core/dev_api.c:267)
[  100.004506][ T1903] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  100.004512][ T1903] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  100.004516][ T1903] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  100.004521][ T1903]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  100.004525][ T1903] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  100.004531][ T1903]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  100.004534][ T1903]  ? __nla_validate_parse (lib/nlattr.c:635)
[  100.004540][ T1903]  ? __nla_parse (lib/nlattr.c:732)
[  100.004542][ T1903]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  100.004547][ T1903]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  100.004551][ T1903]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  100.004559][ T1903]  ? security_capable (security/security.c:660 (discriminator 11))
[  100.004563][ T1903]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  100.004567][ T1903]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  100.004569][ T1903]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.004571][ T1903]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  100.004576][ T1903]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.004581][ T1903]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  100.004584][ T1903]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  100.004586][ T1903]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  100.004590][ T1903]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.004597][ T1903]  ? 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))
[  100.004599][ T1903]  ? 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))
[  100.004603][ T1903]  genl_rcv (net/netlink/genetlink.c:1218)
[  100.004605][ T1903]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.004609][ T1903]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.004613][ T1903]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.004616][ T1903]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  100.004620][ T1903]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  100.004622][ T1903]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.004625][ T1903]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.004630][ T1903]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  100.004633][ T1903]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  100.004637][ T1903]  __sys_sendto (net/socket.c:2281)
[  100.004640][ T1903]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  100.004650][ T1903]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  100.004657][ T1903]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  100.004659][ T1903]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.004663][ T1903]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  100.004664][ T1903]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  100.004667][ T1903]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  100.004669][ T1903]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  100.004672][ T1903]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.004673][ T1903] RIP: 0033:0x7f912131e312
[  100.004677][ T1903] 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)
[  100.004679][ T1903] RSP: 002b:00007ffe4d87fa88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  100.004681][ T1903] RAX: ffffffffffffffda RBX: 00007ffe4d87fbb8 RCX: 00007f912131e312
[  100.004683][ T1903] RDX: 0000000000000034 RSI: 00007f911d6ffd30 RDI: 0000000000000023
[  100.004683][ T1903] RBP: 00007ffe4d87fab0 R08: 00007ffe4d87fc30 R09: 000000000000000c
[  100.004684][ T1903] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f911f17e190
[  100.004685][ T1903] R13: 00007ffe4d87fbb8 R14: 00007f9120c3d01a R15: 00007ffe4d87ffa8
| [  101.750711][ T1932] softirqs last disabled at (24208): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  101.750714][ T1932] Preemption disabled at:
| [  101.750714][ T1932] vprintk_emit (kernel/printk/printk.c:2471)
| [  101.750723][ T1932] Tainted: [W]=WARN
[  101.750724][ T1932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.750725][ T1932] Call Trace:
[  101.750727][ T1932]  <TASK>
[  101.750728][ T1932]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  101.750734][ T1932]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  101.750736][ T1932]  __might_resched.cold (kernel/sched/core.c:9234)
[  101.750740][ T1932]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  101.750744][ T1932]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  101.750749][ T1932]  __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))
[  101.750750][ T1932]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.750757][ T1932]  ? 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)
[  101.750759][ T1932]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.750763][ T1932]  put_chars (drivers/char/virtio_console.c:1176)
[  101.750764][ T1932]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  101.750767][ T1932]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  101.750769][ T1932]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  101.750772][ T1932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.750775][ T1932]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  101.750779][ T1932]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  101.750783][ T1932]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  101.750785][ T1932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.750786][ T1932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.750790][ T1932]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  101.750793][ T1932]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  101.750796][ T1932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.750798][ T1932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.750802][ T1932]  console_emit_next_record (kernel/printk/printk.c:3183)
[  101.750805][ T1932]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  101.750807][ T1932]  ? 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))
[  101.750810][ T1932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.750812][ T1932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.750816][ T1932]  console_flush_one_record (kernel/printk/printk.c:3268)
[  101.750820][ T1932]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  101.750822][ T1932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.750827][ T1932]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  101.750829][ T1932]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  101.750831][ T1932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.750833][ T1932]  ? 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)
[  101.750836][ T1932]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  101.750838][ T1932]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  101.750841][ T1932]  vprintk_emit (kernel/printk/printk.c:2479)
[  101.750844][ T1932]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  101.750845][ T1932]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[  101.750850][ T1932]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  101.750855][ T1932]  _printk (kernel/printk/printk.c:2504)
[  101.750858][ T1932]  ? snapshot_read.cold (user.c:?)
[  101.750862][ T1932]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  101.750866][ T1932]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  101.750870][ T1932]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  101.750872][ T1932]  ? netdev_notice (net/core/dev.c:13194)
[  101.750874][ T1932]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  101.750878][ T1932]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  101.750887][ T1932]  ? 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)
[  101.750890][ T1932]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  101.750893][ T1932]  netif_set_promiscuity (net/core/dev.c:9699)
[  101.750897][ T1932]  dev_set_promiscuity (net/core/dev_api.c:288)
[  101.750899][ T1932]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  101.750902][ T1932] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  101.750909][ T1932] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  101.750914][ T1932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.750916][ T1932]  notifier_call_chain (kernel/notifier.c:85)
[  101.750922][ T1932]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  101.750926][ T1932]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  101.750933][ T1932]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  101.750935][ T1932]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  101.750937][ T1932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.750938][ T1932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.750940][ T1932]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  101.750961][ T1932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  101.750963][ T1932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.750966][ T1932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.750968][ T1932]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  101.750970][ T1932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.750974][ T1932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  101.750976][ T1932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.750978][ T1932]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  101.750980][ T1932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.750983][ T1932]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  101.750985][ T1932]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  101.750988][ T1932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.750990][ T1932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.750994][ T1932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  101.750996][ T1932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.750999][ T1932]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  101.751002][ T1932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.751005][ T1932]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.751011][ T1932]  ? 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))
[  101.751013][ T1932]  ? 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))
[  101.751018][ T1932]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.751021][ T1932]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.751024][ T1932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.751028][ T1932]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  101.751032][ T1932]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  101.751035][ T1932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.751037][ T1932]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  101.751045][ T1932]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  101.751048][ T1932]  ____sys_sendmsg (net/socket.c:2713)
[  101.751051][ T1932]  ? copy_msghdr_from_user (net/socket.c:2650)
[  101.751053][ T1932]  ? sock_write_iter (net/socket.c:1269)
[  101.751054][ T1932]  ? move_addr_to_kernel (net/socket.c:258)
[  101.751061][ T1932]  ___sys_sendmsg (net/socket.c:2767)
[  101.751064][ T1932]  ? copy_msghdr_from_user (net/socket.c:2619)
[  101.751079][ T1932]  __sys_sendmsg (net/socket.c:2799)
[  101.751082][ T1932]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  101.751088][ T1932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.751091][ T1932]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  101.751094][ T1932]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  101.751097][ T1932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.751099][ T1932] RIP: 0033:0x7f213f9b754e
[  101.751102][ T1932] 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
[  101.751104][ T1932] RSP: 002b:00007ffe120e7f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.751107][ T1932] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f213f9b754e
[  101.751108][ T1932] RDX: 0000000000000000 RSI: 00007ffe120e8030 RDI: 0000000000000005
[  101.751109][ T1932] RBP: 00007ffe120e7f90 R08: 0000000000000000 R09: 0000000000000000
[  101.751109][ T1932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911582
[  101.751110][ T1932] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe120e86f0
| [  104.495379][ T1983] softirqs last disabled at (397814): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  104.495381][ T1983] Preemption disabled at:
| [  104.495382][ T1983] vprintk_emit (kernel/printk/printk.c:2471)
| [  104.495390][ T1983] Tainted: [W]=WARN
[  104.495391][ T1983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.495393][ T1983] Call Trace:
[  104.495394][ T1983]  <TASK>
[  104.495396][ T1983]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  104.495402][ T1983]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  104.495404][ T1983]  __might_resched.cold (kernel/sched/core.c:9234)
[  104.495408][ T1983]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  104.495412][ T1983]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  104.495417][ T1983]  __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))
[  104.495419][ T1983]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.495426][ T1983]  ? 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)
[  104.495428][ T1983]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.495432][ T1983]  put_chars (drivers/char/virtio_console.c:1176)
[  104.495434][ T1983]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  104.495441][ T1983]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  104.495449][ T1983]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  104.495452][ T1983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.495457][ T1983]  console_emit_next_record (kernel/printk/printk.c:3183)
[  104.495461][ T1983]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  104.495463][ T1983]  ? 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))
[  104.495466][ T1983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.495468][ T1983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.495473][ T1983]  console_flush_one_record (kernel/printk/printk.c:3268)
[  104.495477][ T1983]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  104.495479][ T1983]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.495484][ T1983]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  104.495487][ T1983]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  104.495489][ T1983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.495491][ T1983]  ? 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)
[  104.495494][ T1983]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  104.495496][ T1983]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  104.495499][ T1983]  vprintk_emit (kernel/printk/printk.c:2479)
[  104.495502][ T1983]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  104.495503][ T1983]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  104.495505][ T1983]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  104.495509][ T1983]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  104.495511][ T1983]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  104.495515][ T1983]  _printk (kernel/printk/printk.c:2504)
[  104.495519][ T1983]  ? snapshot_read.cold (user.c:?)
[  104.495523][ T1983]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  104.495527][ T1983]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  104.495531][ T1983]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  104.495534][ T1983]  ? netdev_notice (net/core/dev.c:13194)
[  104.495536][ T1983]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  104.495540][ T1983]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  104.495544][ T1983]  ? register_netdevice (net/core/dev.c:11556)
[  104.495548][ T1983]  ? 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)
[  104.495550][ T1983]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  104.495552][ T1983]  ? unregister_netdev (net/core/dev.c:12699)
[  104.495554][ T1983]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  104.495557][ T1983]  netif_set_promiscuity (net/core/dev.c:9699)
[  104.495561][ T1983]  dev_set_promiscuity (net/core/dev_api.c:288)
[  104.495564][ T1983] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  104.495569][ T1983] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  104.495574][ T1983] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  104.495579][ T1983] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  104.495586][ T1983]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  104.495590][ T1983]  ? __nla_validate_parse (lib/nlattr.c:635)
[  104.495596][ T1983]  ? __nla_parse (lib/nlattr.c:732)
[  104.495598][ T1983]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  104.495603][ T1983]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  104.495606][ T1983]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  104.495615][ T1983]  ? security_capable (security/security.c:660 (discriminator 11))
[  104.495619][ T1983]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  104.495623][ T1983]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  104.495625][ T1983]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  104.495628][ T1983]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  104.495632][ T1983]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.495638][ T1983]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  104.495641][ T1983]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.495643][ T1983]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  104.495647][ T1983]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  104.495654][ T1983]  ? 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))
[  104.495656][ T1983]  ? 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))
[  104.495660][ T1983]  genl_rcv (net/netlink/genetlink.c:1218)
[  104.495662][ T1983]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.495666][ T1983]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  104.495670][ T1983]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.495673][ T1983]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.495677][ T1983]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  104.495679][ T1983]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.495682][ T1983]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.495687][ T1983]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  104.495690][ T1983]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  104.495693][ T1983]  __sys_sendto (net/socket.c:2281)
[  104.495696][ T1983]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  104.495702][ T1983]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  104.495711][ T1983]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.495714][ T1983]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  104.495716][ T1983]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.495720][ T1983]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  104.495722][ T1983]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  104.495725][ T1983]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.495727][ T1983]  ? irq_exit_rcu (kernel/softirq.c:786)
[  104.495731][ T1983]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.495733][ T1983] RIP: 0033:0x7fa52e087312
[  104.495736][ T1983] 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)
[  104.495738][ T1983] RSP: 002b:00007ffdb1ab06d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  104.495741][ T1983] RAX: ffffffffffffffda RBX: 00007ffdb1ab0808 RCX: 00007fa52e087312
[  104.495742][ T1983] RDX: 0000000000000034 RSI: 00007fa529c8edf0 RDI: 0000000000000020
[  104.495743][ T1983] RBP: 00007ffdb1ab0700 R08: 00007ffdb1ab0880 R09: 000000000000000c
[  104.495744][ T1983] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa52beea0b0
[  104.495745][ T1983] R13: 00007ffdb1ab0808 R14: 00007fa52d9a601a R15: 00007ffdb1ab0bf8
| [  105.756641][ T2027] softirqs last disabled at (380638): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  105.756642][ T2027] Preemption disabled at:
| [  105.756643][ T2027] vprintk_emit (kernel/printk/printk.c:2471)
| [  105.756651][ T2027] Tainted: [W]=WARN
[  105.756652][ T2027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.756654][ T2027] Call Trace:
[  105.756656][ T2027]  <TASK>
[  105.756657][ T2027]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  105.756663][ T2027]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  105.756665][ T2027]  __might_resched.cold (kernel/sched/core.c:9234)
[  105.756669][ T2027]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  105.756673][ T2027]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  105.756677][ T2027]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  105.756679][ T2027]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.756686][ T2027]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  105.756689][ T2027]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.756693][ T2027]  put_chars (drivers/char/virtio_console.c:1176)
[  105.756695][ T2027]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  105.756698][ T2027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  105.756701][ T2027]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  105.756706][ T2027]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  105.756710][ T2027]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.756712][ T2027]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.756716][ T2027]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  105.756720][ T2027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.756722][ T2027]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.756726][ T2027]  console_emit_next_record (kernel/printk/printk.c:3183)
[  105.756730][ T2027]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  105.756732][ T2027]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  105.756735][ T2027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.756737][ T2027]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.756741][ T2027]  console_flush_one_record (kernel/printk/printk.c:3268)
[  105.756745][ T2027]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  105.756747][ T2027]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.756752][ T2027]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  105.756755][ T2027]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  105.756757][ T2027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.756759][ T2027]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  105.756762][ T2027]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  105.756764][ T2027]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  105.756767][ T2027]  vprintk_emit (kernel/printk/printk.c:2479)
[  105.756770][ T2027]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  105.756775][ T2027]  _printk (kernel/printk/printk.c:2504)
[  105.756779][ T2027]  ? snapshot_read.cold (user.c:?)
[  105.756782][ T2027]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  105.756785][ T2027]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  105.756789][ T2027]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  105.756790][ T2027]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  105.756794][ T2027]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  105.756798][ T2027]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  105.756800][ T2027]  ? netdev_notice (net/core/dev.c:13194)
[  105.756802][ T2027]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  105.756811][ T2027]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  105.756813][ T2027]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  105.756817][ T2027]  netif_set_promiscuity (net/core/dev.c:9699)
[  105.756820][ T2027]  dev_set_promiscuity (net/core/dev_api.c:288)
[  105.756822][ T2027]  ? dev_disable_lro (net/core/dev_api.c:267)
[  105.756825][ T2027] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  105.756830][ T2027] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  105.756834][ T2027] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  105.756839][ T2027]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  105.756843][ T2027] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  105.756849][ T2027]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  105.756852][ T2027]  ? __nla_validate_parse (lib/nlattr.c:635)
[  105.756858][ T2027]  ? __nla_parse (lib/nlattr.c:732)
[  105.756860][ T2027]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  105.756865][ T2027]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  105.756869][ T2027]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  105.756877][ T2027]  ? security_capable (security/security.c:660 (discriminator 11))
[  105.756881][ T2027]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  105.756885][ T2027]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  105.756887][ T2027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  105.756889][ T2027]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  105.756894][ T2027]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.756904][ T2027]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  105.756907][ T2027]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.756909][ T2027]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  105.756913][ T2027]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.756920][ T2027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  105.756922][ T2027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  105.756926][ T2027]  genl_rcv (net/netlink/genetlink.c:1218)
[  105.756928][ T2027]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.756932][ T2027]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.756935][ T2027]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.756939][ T2027]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.756943][ T2027]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  105.756944][ T2027]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  105.756947][ T2027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  105.756952][ T2027]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  105.756955][ T2027]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  105.756959][ T2027]  __sys_sendto (net/socket.c:2281)
[  105.756962][ T2027]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  105.756968][ T2027]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  105.756976][ T2027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  105.756979][ T2027]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  105.756981][ T2027]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  105.756985][ T2027]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  105.756988][ T2027]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  105.756991][ T2027]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.756993][ T2027]  ? irq_exit_rcu (kernel/softirq.c:786)
[  105.756997][ T2027]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.756999][ T2027] RIP: 0033:0x7f2ffe909312
[  105.757002][ T2027] 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)
[  105.757004][ T2027] RSP: 002b:00007ffed075f498 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  105.757007][ T2027] RAX: ffffffffffffffda RBX: 00007ffed075f5c8 RCX: 00007f2ffe909312
[  105.757008][ T2027] RDX: 0000000000000034 RSI: 00007f2ffa528330 RDI: 0000000000000023
[  105.757009][ T2027] RBP: 00007ffed075f4c0 R08: 00007ffed075f640 R09: 000000000000000c
[  105.757010][ T2027] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ffc762190
[  105.757011][ T2027] R13: 00007ffed075f5c8 R14: 00007f2ffe22801a R15: 00007ffed075f9b8
| [  107.462252][ T2065] softirqs last disabled at (406127): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  107.462255][ T2065] Preemption disabled at:
| [  107.462255][ T2065] vprintk_emit (kernel/printk/printk.c:2471)
| [  107.462264][ T2065] Tainted: [W]=WARN
[  107.462264][ T2065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.462266][ T2065] Call Trace:
[  107.462267][ T2065]  <TASK>
[  107.462269][ T2065]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  107.462274][ T2065]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  107.462276][ T2065]  __might_resched.cold (kernel/sched/core.c:9234)
[  107.462280][ T2065]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  107.462284][ T2065]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  107.462289][ T2065]  __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))
[  107.462291][ T2065]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.462297][ T2065]  ? 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)
[  107.462300][ T2065]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.462304][ T2065]  put_chars (drivers/char/virtio_console.c:1176)
[  107.462306][ T2065]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  107.462310][ T2065]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.462313][ T2065]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  107.462317][ T2065]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  107.462321][ T2065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.462323][ T2065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.462328][ T2065]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  107.462331][ T2065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.462333][ T2065]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.462338][ T2065]  console_emit_next_record (kernel/printk/printk.c:3183)
[  107.462342][ T2065]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  107.462344][ T2065]  ? 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))
[  107.462347][ T2065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.462348][ T2065]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.462352][ T2065]  console_flush_one_record (kernel/printk/printk.c:3268)
[  107.462357][ T2065]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  107.462359][ T2065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.462364][ T2065]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  107.462367][ T2065]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  107.462369][ T2065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.462370][ T2065]  ? 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)
[  107.462374][ T2065]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  107.462376][ T2065]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  107.462379][ T2065]  vprintk_emit (kernel/printk/printk.c:2479)
[  107.462382][ T2065]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  107.462387][ T2065]  _printk (kernel/printk/printk.c:2504)
[  107.462391][ T2065]  ? snapshot_read.cold (user.c:?)
[  107.462393][ T2065]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  107.462397][ T2065]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  107.462400][ T2065]  ? 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)
[  107.462402][ T2065]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  107.462404][ T2065]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  107.462408][ T2065]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  107.462411][ T2065]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  107.462414][ T2065]  ? netdev_notice (net/core/dev.c:13194)
[  107.462416][ T2065]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  107.462425][ T2065]  ? 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)
[  107.462427][ T2065]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  107.462431][ T2065]  netif_set_promiscuity (net/core/dev.c:9699)
[  107.462435][ T2065]  dev_set_promiscuity (net/core/dev_api.c:288)
[  107.462436][ T2065]  ? dev_disable_lro (net/core/dev_api.c:267)
[  107.462439][ T2065] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  107.462444][ T2065] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  107.462449][ T2065] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  107.462453][ T2065]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  107.462457][ T2065] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  107.462463][ T2065]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  107.462466][ T2065]  ? __nla_validate_parse (lib/nlattr.c:635)
[  107.462472][ T2065]  ? __nla_parse (lib/nlattr.c:732)
[  107.462475][ T2065]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  107.462479][ T2065]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  107.462483][ T2065]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  107.462491][ T2065]  ? security_capable (security/security.c:660 (discriminator 11))
[  107.462495][ T2065]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  107.462499][ T2065]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  107.462502][ T2065]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.462504][ T2065]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  107.462508][ T2065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.462513][ T2065]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  107.462517][ T2065]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  107.462519][ T2065]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  107.462523][ T2065]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.462530][ T2065]  ? 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))
[  107.462532][ T2065]  ? 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))
[  107.462536][ T2065]  genl_rcv (net/netlink/genetlink.c:1218)
[  107.462538][ T2065]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.462542][ T2065]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.462545][ T2065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.462549][ T2065]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  107.462553][ T2065]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  107.462555][ T2065]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  107.462558][ T2065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  107.462562][ T2065]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  107.462565][ T2065]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  107.462569][ T2065]  __sys_sendto (net/socket.c:2281)
[  107.462572][ T2065]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  107.462577][ T2065]  ? do_futex (kernel/futex/syscalls.c:138)
[  107.462581][ T2065]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  107.462587][ T2065]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  107.462590][ T2065]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  107.462594][ T2065]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  107.462596][ T2065]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.462600][ T2065]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  107.462601][ T2065]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  107.462604][ T2065]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  107.462606][ T2065]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  107.462608][ T2065]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.462610][ T2065] RIP: 0033:0x7f665bc5d312
[  107.462614][ T2065] 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)
[  107.462615][ T2065] RSP: 002b:00007ffd002a41a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  107.462618][ T2065] RAX: ffffffffffffffda RBX: 00007ffd002a42d8 RCX: 00007f665bc5d312
[  107.462620][ T2065] RDX: 0000000000000038 RSI: 00007f664b7b8e70 RDI: 0000000000000023
[  107.462620][ T2065] RBP: 00007ffd002a41d0 R08: 00007ffd002a4350 R09: 000000000000000c
[  107.462621][ T2065] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6659ab6190
[  107.462622][ T2065] R13: 00007ffd002a42d8 R14: 00007f665b57c01a R15: 00007ffd002a46c8
| [  114.019661][ T2192] softirqs last disabled at (23680): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  114.019664][ T2192] Preemption disabled at:
| [  114.019665][ T2192] vprintk_emit (kernel/printk/printk.c:2471)
| [  114.019673][ T2192] Tainted: [W]=WARN
[  114.019674][ T2192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.019676][ T2192] Call Trace:
[  114.019677][ T2192]  <TASK>
[  114.019679][ T2192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  114.019685][ T2192]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  114.019686][ T2192]  __might_resched.cold (kernel/sched/core.c:9234)
[  114.019691][ T2192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  114.019695][ T2192]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  114.019699][ T2192]  __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))
[  114.019701][ T2192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.019707][ T2192]  ? 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)
[  114.019710][ T2192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.019714][ T2192]  put_chars (drivers/char/virtio_console.c:1176)
[  114.019715][ T2192]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  114.019718][ T2192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  114.019721][ T2192]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  114.019724][ T2192]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  114.019727][ T2192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  114.019730][ T2192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  114.019735][ T2192]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  114.019737][ T2192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.019738][ T2192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.019742][ T2192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  114.019745][ T2192]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  114.019748][ T2192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.019750][ T2192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.019754][ T2192]  console_emit_next_record (kernel/printk/printk.c:3183)
[  114.019758][ T2192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  114.019760][ T2192]  ? 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))
[  114.019763][ T2192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.019764][ T2192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.019768][ T2192]  console_flush_one_record (kernel/printk/printk.c:3268)
[  114.019772][ T2192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  114.019774][ T2192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.019779][ T2192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  114.019782][ T2192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  114.019784][ T2192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.019786][ T2192]  ? 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)
[  114.019789][ T2192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  114.019791][ T2192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  114.019794][ T2192]  vprintk_emit (kernel/printk/printk.c:2479)
[  114.019797][ T2192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  114.019800][ T2192]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  114.019803][ T2192]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  114.019811][ T2192]  _printk (kernel/printk/printk.c:2504)
[  114.019815][ T2192]  ? snapshot_read.cold (user.c:?)
[  114.019819][ T2192]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  114.019823][ T2192]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  114.019827][ T2192]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  114.019829][ T2192]  ? netdev_notice (net/core/dev.c:13194)
[  114.019831][ T2192]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  114.019835][ T2192]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  114.019840][ T2192]  ? 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)
[  114.019843][ T2192]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  114.019846][ T2192]  netif_set_promiscuity (net/core/dev.c:9699)
[  114.019850][ T2192]  dev_set_promiscuity (net/core/dev_api.c:288)
[  114.019852][ T2192]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  114.019855][ T2192] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  114.019863][ T2192] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  114.019867][ T2192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.019869][ T2192]  notifier_call_chain (kernel/notifier.c:85)
[  114.019875][ T2192]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  114.019880][ T2192]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  114.019887][ T2192]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  114.019889][ T2192]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  114.019891][ T2192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.019892][ T2192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.019895][ T2192]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  114.019915][ T2192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  114.019917][ T2192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.019920][ T2192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.019922][ T2192]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  114.019924][ T2192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.019933][ T2192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  114.019935][ T2192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.019937][ T2192]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  114.019939][ T2192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.019942][ T2192]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  114.019945][ T2192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.019948][ T2192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.019949][ T2192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.019954][ T2192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  114.019956][ T2192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.019959][ T2192]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  114.019963][ T2192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.019965][ T2192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  114.019972][ T2192]  ? 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))
[  114.019974][ T2192]  ? 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))
[  114.019978][ T2192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.019982][ T2192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  114.019984][ T2192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.019989][ T2192]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.019993][ T2192]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  114.019996][ T2192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.019998][ T2192]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  114.020003][ T2192]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  114.020007][ T2192]  ____sys_sendmsg (net/socket.c:2713)
[  114.020009][ T2192]  ? copy_msghdr_from_user (net/socket.c:2650)
[  114.020012][ T2192]  ? sock_write_iter (net/socket.c:1269)
[  114.020013][ T2192]  ? move_addr_to_kernel (net/socket.c:258)
[  114.020020][ T2192]  ___sys_sendmsg (net/socket.c:2767)
[  114.020023][ T2192]  ? copy_msghdr_from_user (net/socket.c:2619)
[  114.020042][ T2192]  __sys_sendmsg (net/socket.c:2799)
[  114.020045][ T2192]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  114.020052][ T2192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.020055][ T2192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.020058][ T2192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  114.020061][ T2192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.020064][ T2192] RIP: 0033:0x7f8896dfa54e
[  114.020067][ T2192] 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
[  114.020069][ T2192] RSP: 002b:00007fffd51d6b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  114.020072][ T2192] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8896dfa54e
[  114.020074][ T2192] RDX: 0000000000000000 RSI: 00007fffd51d6c00 RDI: 0000000000000005
[  114.020075][ T2192] RBP: 00007fffd51d6b60 R08: 0000000000000000 R09: 0000000000000000
[  114.020075][ T2192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91158e
[  114.020076][ T2192] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd51d72c0
| [  117.100370][ T2255] softirqs last disabled at (360390): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  117.100373][ T2255] Preemption disabled at:
| [  117.100373][ T2255] vprintk_emit (kernel/printk/printk.c:2471)
| [  117.100382][ T2255] Tainted: [W]=WARN
[  117.100382][ T2255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.100384][ T2255] Call Trace:
[  117.100386][ T2255]  <TASK>
[  117.100387][ T2255]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  117.100393][ T2255]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  117.100395][ T2255]  __might_resched.cold (kernel/sched/core.c:9234)
[  117.100399][ T2255]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  117.100403][ T2255]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  117.100408][ T2255]  __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))
[  117.100410][ T2255]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.100416][ T2255]  ? 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)
[  117.100419][ T2255]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.100423][ T2255]  put_chars (drivers/char/virtio_console.c:1176)
[  117.100425][ T2255]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  117.100428][ T2255]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  117.100431][ T2255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  117.100433][ T2255]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  117.100437][ T2255]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  117.100441][ T2255]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  117.100443][ T2255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.100445][ T2255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.100449][ T2255]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  117.100451][ T2255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  117.100455][ T2255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.100459][ T2255]  console_emit_next_record (kernel/printk/printk.c:3183)
[  117.100463][ T2255]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  117.100465][ T2255]  ? 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))
[  117.100468][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.100470][ T2255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.100474][ T2255]  console_flush_one_record (kernel/printk/printk.c:3268)
[  117.100478][ T2255]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  117.100480][ T2255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.100485][ T2255]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  117.100488][ T2255]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  117.100490][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.100492][ T2255]  ? 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)
[  117.100495][ T2255]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  117.100497][ T2255]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  117.100500][ T2255]  vprintk_emit (kernel/printk/printk.c:2479)
[  117.100503][ T2255]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  117.100505][ T2255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.100507][ T2255]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  117.100511][ T2255]  _printk (kernel/printk/printk.c:2504)
[  117.100515][ T2255]  ? snapshot_read.cold (user.c:?)
[  117.100517][ T2255]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  117.100522][ T2255]  ? idr_get_free (??:?)
[  117.100527][ T2255]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  117.100535][ T2255]  ? nla_get_range_signed (lib/nlattr.c:270)
[  117.100541][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.100542][ T2255]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  117.100547][ T2255]  __nla_validate_parse (lib/nlattr.c:635)
[  117.100551][ T2255]  __nla_parse (lib/nlattr.c:732)
[  117.100554][ T2255]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  117.100559][ T2255]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  117.100562][ T2255]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  117.100570][ T2255]  ? security_capable (security/security.c:660 (discriminator 11))
[  117.100575][ T2255]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  117.100578][ T2255]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  117.100581][ T2255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  117.100583][ T2255]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  117.100591][ T2255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.100596][ T2255]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  117.100600][ T2255]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  117.100601][ T2255]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  117.100605][ T2255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  117.100612][ T2255]  ? 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))
[  117.100613][ T2255]  ? 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))
[  117.100617][ T2255]  genl_rcv (net/netlink/genetlink.c:1218)
[  117.100619][ T2255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.100623][ T2255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  117.100627][ T2255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.100630][ T2255]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  117.100634][ T2255]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  117.100636][ T2255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  117.100639][ T2255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.100644][ T2255]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  117.100646][ T2255]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  117.100650][ T2255]  __sys_sendto (net/socket.c:2281)
[  117.100653][ T2255]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  117.100663][ T2255]  ? fput_close_sync (fs/file_table.c:617)
[  117.100666][ T2255]  ? alloc_file_clone (fs/file_table.c:479)
[  117.100670][ T2255]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  117.100672][ T2255]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.100676][ T2255]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  117.100678][ T2255]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  117.100681][ T2255]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.100683][ T2255]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  117.100685][ T2255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.100687][ T2255] RIP: 0033:0x7fd1c880c312
[  117.100691][ T2255] 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)
[  117.100692][ T2255] RSP: 002b:00007ffcfaddcc58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  117.100695][ T2255] RAX: ffffffffffffffda RBX: 00007ffcfaddcd88 RCX: 00007fd1c880c312
[  117.100697][ T2255] RDX: 0000000000000048 RSI: 00007fd1c43e6ec0 RDI: 0000000000000020
[  117.100697][ T2255] RBP: 00007ffcfaddcc80 R08: 00007ffcfaddce00 R09: 000000000000000c
[  117.100698][ T2255] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd1c66760b0
[  117.100699][ T2255] R13: 00007ffcfaddcd88 R14: 00007fd1c812b01a R15: 00007ffcfaddd178
| [  118.268633][ T2302] softirqs last disabled at (361300): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  118.268635][ T2302] Preemption disabled at:
| [  118.268636][ T2302] vprintk_emit (kernel/printk/printk.c:2471)
| [  118.268644][ T2302] Tainted: [W]=WARN
[  118.268645][ T2302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.268646][ T2302] Call Trace:
[  118.268648][ T2302]  <TASK>
[  118.268650][ T2302]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.268655][ T2302]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  118.268657][ T2302]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.268661][ T2302]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.268666][ T2302]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  118.268670][ T2302]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  118.268672][ T2302]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.268679][ T2302]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  118.268682][ T2302]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.268685][ T2302]  put_chars (drivers/char/virtio_console.c:1176)
[  118.268688][ T2302]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.268691][ T2302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  118.268694][ T2302]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  118.268698][ T2302]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.268703][ T2302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.268704][ T2302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.268709][ T2302]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.268712][ T2302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.268715][ T2302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.268719][ T2302]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.268723][ T2302]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.268725][ T2302]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  118.268728][ T2302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.268730][ T2302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.268734][ T2302]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.268738][ T2302]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.268740][ T2302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.268745][ T2302]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.268748][ T2302]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.268750][ T2302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.268752][ T2302]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  118.268756][ T2302]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.268757][ T2302]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.268760][ T2302]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.268763][ T2302]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.268769][ T2302]  _printk (kernel/printk/printk.c:2504)
[  118.268772][ T2302]  ? snapshot_read.cold (user.c:?)
[  118.268775][ T2302]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  118.268778][ T2302]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  118.268782][ T2302]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  118.268784][ T2302]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  118.268787][ T2302]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  118.268791][ T2302]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  118.268794][ T2302]  ? netdev_notice (net/core/dev.c:13194)
[  118.268796][ T2302]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  118.268805][ T2302]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  118.268807][ T2302]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  118.268811][ T2302]  netif_set_promiscuity (net/core/dev.c:9699)
[  118.268814][ T2302]  dev_set_promiscuity (net/core/dev_api.c:288)
[  118.268816][ T2302]  ? dev_disable_lro (net/core/dev_api.c:267)
[  118.268819][ T2302] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  118.268824][ T2302] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  118.268829][ T2302] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  118.268833][ T2302]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  118.268837][ T2302] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  118.268843][ T2302]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  118.268846][ T2302]  ? __nla_validate_parse (lib/nlattr.c:635)
[  118.268852][ T2302]  ? __nla_parse (lib/nlattr.c:732)
[  118.268855][ T2302]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  118.268860][ T2302]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  118.268863][ T2302]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  118.268871][ T2302]  ? security_capable (security/security.c:660 (discriminator 11))
[  118.268876][ T2302]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  118.268879][ T2302]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  118.268882][ T2302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  118.268884][ T2302]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  118.268888][ T2302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.268894][ T2302]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  118.268897][ T2302]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.268899][ T2302]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  118.268903][ T2302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.268910][ T2302]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  118.268912][ T2302]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  118.268916][ T2302]  genl_rcv (net/netlink/genetlink.c:1218)
[  118.268918][ T2302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.268922][ T2302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.268926][ T2302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.268929][ T2302]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.268933][ T2302]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  118.268935][ T2302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  118.268938][ T2302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.268943][ T2302]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  118.268951][ T2302]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  118.268955][ T2302]  __sys_sendto (net/socket.c:2281)
[  118.268958][ T2302]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  118.268964][ T2302]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  118.268972][ T2302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.268976][ T2302]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  118.268978][ T2302]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  118.268982][ T2302]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  118.268985][ T2302]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  118.268988][ T2302]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.268990][ T2302]  ? irq_exit_rcu (kernel/softirq.c:786)
[  118.268994][ T2302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.268996][ T2302] RIP: 0033:0x7f30ef5dd312
[  118.269000][ T2302] 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)
[  118.269001][ T2302] RSP: 002b:00007ffdf9922998 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  118.269004][ T2302] RAX: ffffffffffffffda RBX: 00007ffdf9922ac8 RCX: 00007f30ef5dd312
[  118.269005][ T2302] RDX: 0000000000000030 RSI: 00007f30ee677730 RDI: 0000000000000023
[  118.269006][ T2302] RBP: 00007ffdf99229c0 R08: 00007ffdf9922b40 R09: 000000000000000c
[  118.269007][ T2302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f30ed436190
[  118.269008][ T2302] R13: 00007ffdf9922ac8 R14: 00007f30eeefc01a R15: 00007ffdf9922eb8
| [  119.434631][ T2340] softirqs last disabled at (388688): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  119.434633][ T2340] Preemption disabled at:
| [  119.434634][ T2340] vprintk_emit (kernel/printk/printk.c:2471)
| [  119.434642][ T2340] Tainted: [W]=WARN
[  119.434643][ T2340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.434644][ T2340] Call Trace:
[  119.434646][ T2340]  <TASK>
[  119.434647][ T2340]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  119.434654][ T2340]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  119.434655][ T2340]  __might_resched.cold (kernel/sched/core.c:9234)
[  119.434659][ T2340]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  119.434664][ T2340]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  119.434668][ T2340]  __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))
[  119.434670][ T2340]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.434677][ T2340]  ? 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)
[  119.434680][ T2340]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.434683][ T2340]  put_chars (drivers/char/virtio_console.c:1176)
[  119.434686][ T2340]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  119.434689][ T2340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  119.434692][ T2340]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  119.434697][ T2340]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  119.434701][ T2340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  119.434703][ T2340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  119.434707][ T2340]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  119.434711][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.434713][ T2340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.434717][ T2340]  console_emit_next_record (kernel/printk/printk.c:3183)
[  119.434721][ T2340]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  119.434723][ T2340]  ? 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))
[  119.434727][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.434728][ T2340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.434732][ T2340]  console_flush_one_record (kernel/printk/printk.c:3268)
[  119.434737][ T2340]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  119.434738][ T2340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  119.434744][ T2340]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  119.434747][ T2340]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  119.434749][ T2340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.434750][ T2340]  ? 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)
[  119.434754][ T2340]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  119.434756][ T2340]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  119.434759][ T2340]  vprintk_emit (kernel/printk/printk.c:2479)
[  119.434762][ T2340]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  119.434767][ T2340]  _printk (kernel/printk/printk.c:2504)
[  119.434771][ T2340]  ? snapshot_read.cold (user.c:?)
[  119.434773][ T2340]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  119.434777][ T2340]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  119.434781][ T2340]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  119.434782][ T2340]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  119.434786][ T2340]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  119.434790][ T2340]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  119.434793][ T2340]  ? netdev_notice (net/core/dev.c:13194)
[  119.434795][ T2340]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  119.434803][ T2340]  ? 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)
[  119.434806][ T2340]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  119.434809][ T2340]  netif_set_promiscuity (net/core/dev.c:9699)
[  119.434813][ T2340]  dev_set_promiscuity (net/core/dev_api.c:288)
[  119.434815][ T2340]  ? dev_disable_lro (net/core/dev_api.c:267)
[  119.434817][ T2340] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  119.434823][ T2340] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  119.434828][ T2340] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  119.434832][ T2340]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  119.434836][ T2340] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  119.434842][ T2340]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  119.434846][ T2340]  ? __nla_validate_parse (lib/nlattr.c:635)
[  119.434852][ T2340]  ? __nla_parse (lib/nlattr.c:732)
[  119.434854][ T2340]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  119.434859][ T2340]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  119.434863][ T2340]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  119.434871][ T2340]  ? security_capable (security/security.c:660 (discriminator 11))
[  119.434875][ T2340]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  119.434879][ T2340]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  119.434882][ T2340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  119.434884][ T2340]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  119.434888][ T2340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  119.434894][ T2340]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  119.434897][ T2340]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  119.434899][ T2340]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  119.434903][ T2340]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  119.434910][ T2340]  ? 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))
[  119.434912][ T2340]  ? 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))
[  119.434916][ T2340]  genl_rcv (net/netlink/genetlink.c:1218)
[  119.434918][ T2340]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.434922][ T2340]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  119.434926][ T2340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  119.434930][ T2340]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  119.434934][ T2340]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  119.434935][ T2340]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  119.434939][ T2340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  119.434943][ T2340]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  119.434947][ T2340]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  119.434955][ T2340]  __sys_sendto (net/socket.c:2281)
[  119.434958][ T2340]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  119.434969][ T2340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  119.434974][ T2340]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  119.434976][ T2340]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  119.434979][ T2340]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  119.434983][ T2340]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  119.434985][ T2340]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  119.434987][ T2340]  ? irq_exit_rcu (kernel/softirq.c:786)
[  119.434991][ T2340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.434993][ T2340] RIP: 0033:0x7f30e3090312
[  119.434997][ T2340] 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)
[  119.434999][ T2340] RSP: 002b:00007fffdec3d808 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  119.435001][ T2340] RAX: ffffffffffffffda RBX: 00007fffdec3d938 RCX: 00007f30e3090312
[  119.435003][ T2340] RDX: 0000000000000030 RSI: 00007f30e04a2b30 RDI: 0000000000000023
[  119.435004][ T2340] RBP: 00007fffdec3d830 R08: 00007fffdec3d9b0 R09: 000000000000000c
[  119.435004][ T2340] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f30e0efa270
[  119.435005][ T2340] R13: 00007fffdec3d938 R14: 00007f30e29af01a R15: 00007fffdec3dd28
| [  143.288791][ T2511] softirqs last disabled at (29740): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  143.288794][ T2511] Preemption disabled at:
| [  143.288794][ T2511] vprintk_emit (kernel/printk/printk.c:2471)
| [  143.288803][ T2511] Tainted: [W]=WARN
[  143.288803][ T2511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  143.288805][ T2511] Call Trace:
[  143.288807][ T2511]  <TASK>
[  143.288808][ T2511]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  143.288814][ T2511]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  143.288816][ T2511]  __might_resched.cold (kernel/sched/core.c:9234)
[  143.288820][ T2511]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  143.288824][ T2511]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  143.288829][ T2511]  __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))
[  143.288831][ T2511]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.288837][ T2511]  ? 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)
[  143.288840][ T2511]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.288844][ T2511]  put_chars (drivers/char/virtio_console.c:1176)
[  143.288846][ T2511]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  143.288848][ T2511]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  143.288851][ T2511]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  143.288854][ T2511]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  143.288857][ T2511]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  143.288861][ T2511]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  143.288865][ T2511]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  143.288867][ T2511]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.288868][ T2511]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.288872][ T2511]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  143.288875][ T2511]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  143.288878][ T2511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.288880][ T2511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.288884][ T2511]  console_emit_next_record (kernel/printk/printk.c:3183)
[  143.288888][ T2511]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  143.288890][ T2511]  ? 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))
[  143.288893][ T2511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.288894][ T2511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.288898][ T2511]  console_flush_one_record (kernel/printk/printk.c:3268)
[  143.288903][ T2511]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  143.288904][ T2511]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.288910][ T2511]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  143.288913][ T2511]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  143.288914][ T2511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.288916][ T2511]  ? 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)
[  143.288920][ T2511]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  143.288922][ T2511]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  143.288924][ T2511]  vprintk_emit (kernel/printk/printk.c:2479)
[  143.288927][ T2511]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  143.288930][ T2511]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  143.288933][ T2511]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  143.288941][ T2511]  _printk (kernel/printk/printk.c:2504)
[  143.288944][ T2511]  ? snapshot_read.cold (user.c:?)
[  143.288948][ T2511]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  143.288952][ T2511]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  143.288956][ T2511]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  143.288959][ T2511]  ? netdev_notice (net/core/dev.c:13194)
[  143.288960][ T2511]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  143.288965][ T2511]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  143.288970][ T2511]  ? 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)
[  143.288972][ T2511]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  143.288975][ T2511]  netif_set_promiscuity (net/core/dev.c:9699)
[  143.288979][ T2511]  dev_set_promiscuity (net/core/dev_api.c:288)
[  143.288981][ T2511]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  143.288984][ T2511] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  143.288990][ T2511] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  143.288995][ T2511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.288997][ T2511]  notifier_call_chain (kernel/notifier.c:85)
[  143.289003][ T2511]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  143.289007][ T2511]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  143.289014][ T2511]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  143.289016][ T2511]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  143.289018][ T2511]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.289020][ T2511]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.289022][ T2511]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  143.289048][ T2511]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  143.289050][ T2511]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.289053][ T2511]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.289055][ T2511]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  143.289058][ T2511]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.289062][ T2511]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  143.289064][ T2511]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.289066][ T2511]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  143.289067][ T2511]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.289071][ T2511]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  143.289073][ T2511]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  143.289076][ T2511]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.289078][ T2511]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.289082][ T2511]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  143.289084][ T2511]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.289087][ T2511]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  143.289091][ T2511]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.289093][ T2511]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  143.289100][ T2511]  ? 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))
[  143.289102][ T2511]  ? 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))
[  143.289106][ T2511]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  143.289110][ T2511]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  143.289112][ T2511]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.289116][ T2511]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  143.289120][ T2511]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  143.289124][ T2511]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.289126][ T2511]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  143.289131][ T2511]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  143.289135][ T2511]  ____sys_sendmsg (net/socket.c:2713)
[  143.289137][ T2511]  ? copy_msghdr_from_user (net/socket.c:2650)
[  143.289139][ T2511]  ? sock_write_iter (net/socket.c:1269)
[  143.289141][ T2511]  ? move_addr_to_kernel (net/socket.c:258)
[  143.289148][ T2511]  ___sys_sendmsg (net/socket.c:2767)
[  143.289151][ T2511]  ? copy_msghdr_from_user (net/socket.c:2619)
[  143.289166][ T2511]  __sys_sendmsg (net/socket.c:2799)
[  143.289169][ T2511]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  143.289175][ T2511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.289178][ T2511]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  143.289182][ T2511]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  143.289184][ T2511]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  143.289186][ T2511] RIP: 0033:0x7ff88870754e
[  143.289190][ T2511] 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
[  143.289192][ T2511] RSP: 002b:00007ffce3698440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  143.289194][ T2511] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff88870754e
[  143.289196][ T2511] RDX: 0000000000000000 RSI: 00007ffce36984f0 RDI: 0000000000000005
[  143.289197][ T2511] RBP: 00007ffce3698450 R08: 0000000000000000 R09: 0000000000000000
[  143.289197][ T2511] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9115ab
[  143.289198][ T2511] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce3698bb0
| [  146.090026][ T2569] softirqs last disabled at (385668): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  146.090028][ T2569] Preemption disabled at:
| [  146.090029][ T2569] vprintk_emit (kernel/printk/printk.c:2471)
| [  146.090037][ T2569] Tainted: [W]=WARN
[  146.090038][ T2569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  146.090043][ T2569] Call Trace:
[  146.090045][ T2569]  <TASK>
[  146.090046][ T2569]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  146.090052][ T2569]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  146.090054][ T2569]  __might_resched.cold (kernel/sched/core.c:9234)
[  146.090063][ T2569]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  146.090067][ T2569]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  146.090071][ T2569]  __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))
[  146.090073][ T2569]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  146.090080][ T2569]  ? 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)
[  146.090082][ T2569]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  146.090086][ T2569]  put_chars (drivers/char/virtio_console.c:1176)
[  146.090088][ T2569]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  146.090091][ T2569]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  146.090094][ T2569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  146.090097][ T2569]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  146.090101][ T2569]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  146.090105][ T2569]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  146.090107][ T2569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.090108][ T2569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.090112][ T2569]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  146.090114][ T2569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  146.090118][ T2569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.090122][ T2569]  console_emit_next_record (kernel/printk/printk.c:3183)
[  146.090126][ T2569]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  146.090128][ T2569]  ? 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))
[  146.090131][ T2569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.090133][ T2569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.090137][ T2569]  console_flush_one_record (kernel/printk/printk.c:3268)
[  146.090141][ T2569]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  146.090143][ T2569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.090148][ T2569]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  146.090150][ T2569]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  146.090152][ T2569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.090154][ T2569]  ? 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)
[  146.090157][ T2569]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  146.090159][ T2569]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  146.090162][ T2569]  vprintk_emit (kernel/printk/printk.c:2479)
[  146.090165][ T2569]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  146.090167][ T2569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  146.090169][ T2569]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  146.090173][ T2569]  _printk (kernel/printk/printk.c:2504)
[  146.090177][ T2569]  ? snapshot_read.cold (user.c:?)
[  146.090178][ T2569]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  146.090184][ T2569]  ? idr_get_free (??:?)
[  146.090188][ T2569]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  146.090197][ T2569]  ? nla_get_range_signed (lib/nlattr.c:270)
[  146.090202][ T2569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.090204][ T2569]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  146.090208][ T2569]  __nla_validate_parse (lib/nlattr.c:635)
[  146.090213][ T2569]  __nla_parse (lib/nlattr.c:732)
[  146.090216][ T2569]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  146.090221][ T2569]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  146.090224][ T2569]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  146.090232][ T2569]  ? security_capable (security/security.c:660 (discriminator 11))
[  146.090236][ T2569]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  146.090240][ T2569]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  146.090242][ T2569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  146.090244][ T2569]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  146.090252][ T2569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.090257][ T2569]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  146.090261][ T2569]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  146.090263][ T2569]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  146.090266][ T2569]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  146.090273][ T2569]  ? 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))
[  146.090275][ T2569]  ? 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))
[  146.090279][ T2569]  genl_rcv (net/netlink/genetlink.c:1218)
[  146.090281][ T2569]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  146.090285][ T2569]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  146.090288][ T2569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.090292][ T2569]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  146.090296][ T2569]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  146.090297][ T2569]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  146.090300][ T2569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  146.090305][ T2569]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  146.090307][ T2569]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  146.090311][ T2569]  __sys_sendto (net/socket.c:2281)
[  146.090314][ T2569]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  146.090324][ T2569]  ? fput_close_sync (fs/file_table.c:617)
[  146.090327][ T2569]  ? alloc_file_clone (fs/file_table.c:479)
[  146.090331][ T2569]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  146.090334][ T2569]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  146.090337][ T2569]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  146.090340][ T2569]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  146.090342][ T2569]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  146.090344][ T2569]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  146.090347][ T2569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  146.090349][ T2569] RIP: 0033:0x7ff98e638312
[  146.090352][ T2569] 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)
[  146.090354][ T2569] RSP: 002b:00007ffe97e7c9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  146.090357][ T2569] RAX: ffffffffffffffda RBX: 00007ffe97e7cb18 RCX: 00007ff98e638312
[  146.090358][ T2569] RDX: 0000000000000044 RSI: 00007ff98a212e20 RDI: 0000000000000020
[  146.090359][ T2569] RBP: 00007ffe97e7ca10 R08: 00007ffe97e7cb90 R09: 000000000000000c
[  146.090360][ T2569] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff98c4a2120
[  146.090361][ T2569] R13: 00007ffe97e7cb18 R14: 00007ff98df5701a R15: 00007ffe97e7cf08
| [  147.385498][ T2626] softirqs last disabled at (390046): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  147.385500][ T2626] Preemption disabled at:
| [  147.385500][ T2626] vprintk_emit (kernel/printk/printk.c:2471)
| [  147.385509][ T2626] Tainted: [W]=WARN
[  147.385510][ T2626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  147.385511][ T2626] Call Trace:
[  147.385513][ T2626]  <TASK>
[  147.385514][ T2626]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  147.385520][ T2626]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  147.385522][ T2626]  __might_resched.cold (kernel/sched/core.c:9234)
[  147.385526][ T2626]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  147.385530][ T2626]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  147.385535][ T2626]  __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))
[  147.385536][ T2626]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  147.385543][ T2626]  ? 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)
[  147.385546][ T2626]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  147.385549][ T2626]  put_chars (drivers/char/virtio_console.c:1176)
[  147.385552][ T2626]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  147.385555][ T2626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  147.385558][ T2626]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  147.385562][ T2626]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  147.385566][ T2626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  147.385568][ T2626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  147.385573][ T2626]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  147.385576][ T2626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.385578][ T2626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  147.385582][ T2626]  console_emit_next_record (kernel/printk/printk.c:3183)
[  147.385587][ T2626]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  147.385589][ T2626]  ? 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))
[  147.385592][ T2626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.385593][ T2626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  147.385597][ T2626]  console_flush_one_record (kernel/printk/printk.c:3268)
[  147.385602][ T2626]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  147.385603][ T2626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  147.385609][ T2626]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  147.385612][ T2626]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  147.385614][ T2626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.385615][ T2626]  ? 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)
[  147.385619][ T2626]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  147.385621][ T2626]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  147.385624][ T2626]  vprintk_emit (kernel/printk/printk.c:2479)
[  147.385627][ T2626]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  147.385632][ T2626]  _printk (kernel/printk/printk.c:2504)
[  147.385636][ T2626]  ? snapshot_read.cold (user.c:?)
[  147.385639][ T2626]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  147.385642][ T2626]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  147.385646][ T2626]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  147.385647][ T2626]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  147.385651][ T2626]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  147.385655][ T2626]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  147.385658][ T2626]  ? netdev_notice (net/core/dev.c:13194)
[  147.385659][ T2626]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  147.385668][ T2626]  ? 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)
[  147.385671][ T2626]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  147.385674][ T2626]  netif_set_promiscuity (net/core/dev.c:9699)
[  147.385678][ T2626]  dev_set_promiscuity (net/core/dev_api.c:288)
[  147.385680][ T2626]  ? dev_disable_lro (net/core/dev_api.c:267)
[  147.385682][ T2626] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  147.385687][ T2626] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  147.385692][ T2626] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  147.385696][ T2626]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  147.385701][ T2626] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  147.385706][ T2626]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  147.385710][ T2626]  ? __nla_validate_parse (lib/nlattr.c:635)
[  147.385716][ T2626]  ? __nla_parse (lib/nlattr.c:732)
[  147.385718][ T2626]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  147.385723][ T2626]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  147.385726][ T2626]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  147.385735][ T2626]  ? security_capable (security/security.c:660 (discriminator 11))
[  147.385739][ T2626]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  147.385743][ T2626]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  147.385745][ T2626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  147.385747][ T2626]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  147.385751][ T2626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  147.385757][ T2626]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  147.385760][ T2626]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  147.385762][ T2626]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  147.385766][ T2626]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  147.385773][ T2626]  ? 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))
[  147.385775][ T2626]  ? 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))
[  147.385779][ T2626]  genl_rcv (net/netlink/genetlink.c:1218)
[  147.385781][ T2626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  147.385785][ T2626]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  147.385789][ T2626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  147.385792][ T2626]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  147.385796][ T2626]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  147.385798][ T2626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  147.385801][ T2626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  147.385806][ T2626]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  147.385809][ T2626]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  147.385812][ T2626]  __sys_sendto (net/socket.c:2281)
[  147.385816][ T2626]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  147.385826][ T2626]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  147.385833][ T2626]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  147.385835][ T2626]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  147.385839][ T2626]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  147.385840][ T2626]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  147.385843][ T2626]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  147.385845][ T2626]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  147.385847][ T2626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  147.385849][ T2626] RIP: 0033:0x7fe2182a3312
[  147.385853][ T2626] 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)
[  147.385855][ T2626] RSP: 002b:00007ffd03498558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  147.385857][ T2626] RAX: ffffffffffffffda RBX: 00007ffd03498688 RCX: 00007fe2182a3312
[  147.385859][ T2626] RDX: 0000000000000034 RSI: 00007fe21470faf0 RDI: 0000000000000023
[  147.385859][ T2626] RBP: 00007ffd03498580 R08: 00007ffd03498700 R09: 000000000000000c
[  147.385860][ T2626] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe216106200
[  147.385861][ T2626] R13: 00007ffd03498688 R14: 00007fe217bc201a R15: 00007ffd03498a78
| [  148.661525][ T2667] softirqs last disabled at (397940): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  148.661527][ T2667] Preemption disabled at:
| [  148.661528][ T2667] vprintk_emit (kernel/printk/printk.c:2471)
| [  148.661536][ T2667] Tainted: [W]=WARN
[  148.661537][ T2667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.661539][ T2667] Call Trace:
[  148.661541][ T2667]  <TASK>
[  148.661542][ T2667]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  148.661549][ T2667]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  148.661550][ T2667]  __might_resched.cold (kernel/sched/core.c:9234)
[  148.661555][ T2667]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.661559][ T2667]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  148.661563][ T2667]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  148.661565][ T2667]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.661572][ T2667]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  148.661574][ T2667]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.661578][ T2667]  put_chars (drivers/char/virtio_console.c:1176)
[  148.661581][ T2667]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  148.661584][ T2667]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  148.661587][ T2667]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  148.661592][ T2667]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  148.661596][ T2667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.661597][ T2667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.661602][ T2667]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  148.661606][ T2667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.661608][ T2667]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.661612][ T2667]  console_emit_next_record (kernel/printk/printk.c:3183)
[  148.661617][ T2667]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  148.661618][ T2667]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  148.661622][ T2667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.661624][ T2667]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.661628][ T2667]  console_flush_one_record (kernel/printk/printk.c:3268)
[  148.661632][ T2667]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  148.661634][ T2667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.661640][ T2667]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  148.661643][ T2667]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  148.661645][ T2667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.661647][ T2667]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  148.661650][ T2667]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  148.661652][ T2667]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  148.661655][ T2667]  vprintk_emit (kernel/printk/printk.c:2479)
[  148.661658][ T2667]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  148.661664][ T2667]  _printk (kernel/printk/printk.c:2504)
[  148.661667][ T2667]  ? snapshot_read.cold (user.c:?)
[  148.661670][ T2667]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  148.661673][ T2667]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  148.661677][ T2667]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  148.661679][ T2667]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  148.661683][ T2667]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  148.661687][ T2667]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  148.661690][ T2667]  ? netdev_notice (net/core/dev.c:13194)
[  148.661692][ T2667]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  148.661701][ T2667]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  148.661703][ T2667]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  148.661707][ T2667]  netif_set_promiscuity (net/core/dev.c:9699)
[  148.661711][ T2667]  dev_set_promiscuity (net/core/dev_api.c:288)
[  148.661713][ T2667]  ? dev_disable_lro (net/core/dev_api.c:267)
[  148.661715][ T2667] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  148.661720][ T2667] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  148.661725][ T2667] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  148.661729][ T2667]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  148.661733][ T2667] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  148.661739][ T2667]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  148.661742][ T2667]  ? __nla_validate_parse (lib/nlattr.c:635)
[  148.661748][ T2667]  ? __nla_parse (lib/nlattr.c:732)
[  148.661751][ T2667]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  148.661756][ T2667]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  148.661759][ T2667]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  148.661767][ T2667]  ? security_capable (security/security.c:660 (discriminator 11))
[  148.661772][ T2667]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  148.661776][ T2667]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  148.661778][ T2667]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  148.661780][ T2667]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  148.661785][ T2667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.661790][ T2667]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  148.661794][ T2667]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  148.661796][ T2667]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  148.661799][ T2667]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  148.661806][ T2667]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  148.661808][ T2667]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  148.661812][ T2667]  genl_rcv (net/netlink/genetlink.c:1218)
[  148.661815][ T2667]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  148.661819][ T2667]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  148.661822][ T2667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.661826][ T2667]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  148.661830][ T2667]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  148.661832][ T2667]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  148.661835][ T2667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  148.661840][ T2667]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  148.661843][ T2667]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  148.661846][ T2667]  __sys_sendto (net/socket.c:2281)
[  148.661850][ T2667]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  148.661860][ T2667]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  148.661867][ T2667]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  148.661869][ T2667]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  148.661873][ T2667]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  148.661874][ T2667]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  148.661877][ T2667]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  148.661879][ T2667]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  148.661882][ T2667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  148.661884][ T2667] RIP: 0033:0x7f47602a3312
[  148.661888][ T2667] 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)
[  148.661890][ T2667] RSP: 002b:00007ffdcde243d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  148.661893][ T2667] RAX: ffffffffffffffda RBX: 00007ffdcde24508 RCX: 00007f47602a3312
[  148.661894][ T2667] RDX: 0000000000000034 RSI: 00007f475c6c4230 RDI: 0000000000000023
[  148.661895][ T2667] RBP: 00007ffdcde24400 R08: 00007ffdcde24580 R09: 000000000000000c
[  148.661895][ T2667] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f475e1062e0
[  148.661896][ T2667] R13: 00007ffdcde24508 R14: 00007f475fbc201a R15: 00007ffdcde248f8
| [  162.765522][ T2850] softirqs last disabled at (21960): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  162.765525][ T2850] Preemption disabled at:
| [  162.765525][ T2850] vprintk_emit (kernel/printk/printk.c:2471)
| [  162.765534][ T2850] Tainted: [W]=WARN
[  162.765535][ T2850] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  162.765536][ T2850] Call Trace:
[  162.765538][ T2850]  <TASK>
[  162.765539][ T2850]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  162.765545][ T2850]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  162.765547][ T2850]  __might_resched.cold (kernel/sched/core.c:9234)
[  162.765552][ T2850]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  162.765556][ T2850]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  162.765560][ T2850]  __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))
[  162.765562][ T2850]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  162.765568][ T2850]  ? 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)
[  162.765571][ T2850]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  162.765575][ T2850]  put_chars (drivers/char/virtio_console.c:1176)
[  162.765576][ T2850]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  162.765579][ T2850]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  162.765581][ T2850]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  162.765584][ T2850]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  162.765587][ T2850]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  162.765591][ T2850]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  162.765595][ T2850]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  162.765597][ T2850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  162.765599][ T2850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  162.765603][ T2850]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  162.765605][ T2850]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  162.765608][ T2850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.765610][ T2850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.765614][ T2850]  console_emit_next_record (kernel/printk/printk.c:3183)
[  162.765618][ T2850]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  162.765620][ T2850]  ? 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))
[  162.765623][ T2850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.765625][ T2850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.765629][ T2850]  console_flush_one_record (kernel/printk/printk.c:3268)
[  162.765633][ T2850]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  162.765635][ T2850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  162.765640][ T2850]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  162.765643][ T2850]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  162.765645][ T2850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.765646][ T2850]  ? 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)
[  162.765650][ T2850]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  162.765652][ T2850]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  162.765654][ T2850]  vprintk_emit (kernel/printk/printk.c:2479)
[  162.765657][ T2850]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  162.765660][ T2850]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  162.765663][ T2850]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  162.765671][ T2850]  _printk (kernel/printk/printk.c:2504)
[  162.765675][ T2850]  ? snapshot_read.cold (user.c:?)
[  162.765679][ T2850]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  162.765683][ T2850]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  162.765687][ T2850]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  162.765690][ T2850]  ? netdev_notice (net/core/dev.c:13194)
[  162.765691][ T2850]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  162.765696][ T2850]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  162.765701][ T2850]  ? 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)
[  162.765703][ T2850]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  162.765706][ T2850]  netif_set_promiscuity (net/core/dev.c:9699)
[  162.765710][ T2850]  dev_set_promiscuity (net/core/dev_api.c:288)
[  162.765712][ T2850]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  162.765715][ T2850] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  162.765721][ T2850] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  162.765726][ T2850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.765728][ T2850]  notifier_call_chain (kernel/notifier.c:85)
[  162.765734][ T2850]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  162.765739][ T2850]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  162.765746][ T2850]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  162.765747][ T2850]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  162.765749][ T2850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  162.765751][ T2850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  162.765753][ T2850]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  162.765774][ T2850]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  162.765776][ T2850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  162.765779][ T2850]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  162.765781][ T2850]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  162.765783][ T2850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  162.765787][ T2850]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  162.765789][ T2850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  162.765791][ T2850]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  162.765793][ T2850]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  162.765796][ T2850]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  162.765799][ T2850]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  162.765802][ T2850]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  162.765803][ T2850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  162.765807][ T2850]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  162.765809][ T2850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  162.765813][ T2850]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  162.765816][ T2850]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  162.765818][ T2850]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  162.765825][ T2850]  ? 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))
[  162.765827][ T2850]  ? 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))
[  162.765831][ T2850]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  162.765835][ T2850]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  162.765837][ T2850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  162.765841][ T2850]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  162.765845][ T2850]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  162.765849][ T2850]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  162.765850][ T2850]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  162.765856][ T2850]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  162.765860][ T2850]  ____sys_sendmsg (net/socket.c:2713)
[  162.765862][ T2850]  ? copy_msghdr_from_user (net/socket.c:2650)
[  162.765864][ T2850]  ? sock_write_iter (net/socket.c:1269)
[  162.765866][ T2850]  ? move_addr_to_kernel (net/socket.c:258)
[  162.765873][ T2850]  ___sys_sendmsg (net/socket.c:2767)
[  162.765876][ T2850]  ? copy_msghdr_from_user (net/socket.c:2619)
[  162.765891][ T2850]  __sys_sendmsg (net/socket.c:2799)
[  162.765894][ T2850]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  162.765900][ T2850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.765903][ T2850]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  162.765907][ T2850]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  162.765910][ T2850]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  162.765912][ T2850] RIP: 0033:0x7f2bf140454e
[  162.765915][ T2850] 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
[  162.765917][ T2850] RSP: 002b:00007ffe98b93ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  162.765920][ T2850] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bf140454e
[  162.765921][ T2850] RDX: 0000000000000000 RSI: 00007ffe98b93d90 RDI: 0000000000000005
[  162.765922][ T2850] RBP: 00007ffe98b93cf0 R08: 0000000000000000 R09: 0000000000000000
[  162.765923][ T2850] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9115bf
[  162.765924][ T2850] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe98b94450
| [  165.670931][ T2908] softirqs last disabled at (403832): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  165.670934][ T2908] Preemption disabled at:
| [  165.670934][ T2908] vprintk_emit (kernel/printk/printk.c:2471)
| [  165.670943][ T2908] Tainted: [W]=WARN
[  165.670943][ T2908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  165.670945][ T2908] Call Trace:
[  165.670947][ T2908]  <TASK>
[  165.670949][ T2908]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  165.670954][ T2908]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  165.670956][ T2908]  __might_resched.cold (kernel/sched/core.c:9234)
[  165.670961][ T2908]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  165.670965][ T2908]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  165.670969][ T2908]  __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))
[  165.670971][ T2908]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.670978][ T2908]  ? 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)
[  165.670981][ T2908]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.670984][ T2908]  put_chars (drivers/char/virtio_console.c:1176)
[  165.670987][ T2908]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  165.670990][ T2908]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  165.670993][ T2908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  165.670996][ T2908]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  165.671000][ T2908]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  165.671004][ T2908]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  165.671006][ T2908]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.671007][ T2908]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.671012][ T2908]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  165.671014][ T2908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  165.671018][ T2908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.671022][ T2908]  console_emit_next_record (kernel/printk/printk.c:3183)
[  165.671026][ T2908]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  165.671028][ T2908]  ? 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))
[  165.671031][ T2908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.671033][ T2908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.671037][ T2908]  console_flush_one_record (kernel/printk/printk.c:3268)
[  165.671045][ T2908]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  165.671047][ T2908]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.671052][ T2908]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  165.671055][ T2908]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  165.671057][ T2908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.671059][ T2908]  ? 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)
[  165.671062][ T2908]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  165.671064][ T2908]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  165.671067][ T2908]  vprintk_emit (kernel/printk/printk.c:2479)
[  165.671070][ T2908]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  165.671072][ T2908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  165.671074][ T2908]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  165.671078][ T2908]  _printk (kernel/printk/printk.c:2504)
[  165.671082][ T2908]  ? snapshot_read.cold (user.c:?)
[  165.671084][ T2908]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  165.671089][ T2908]  ? idr_get_free (??:?)
[  165.671094][ T2908]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  165.671102][ T2908]  ? nla_get_range_signed (lib/nlattr.c:270)
[  165.671108][ T2908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.671110][ T2908]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  165.671114][ T2908]  __nla_validate_parse (lib/nlattr.c:635)
[  165.671119][ T2908]  __nla_parse (lib/nlattr.c:732)
[  165.671122][ T2908]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  165.671127][ T2908]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  165.671130][ T2908]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  165.671144][ T2908]  ? security_capable (security/security.c:660 (discriminator 11))
[  165.671149][ T2908]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  165.671153][ T2908]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  165.671155][ T2908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  165.671157][ T2908]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  165.671165][ T2908]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.671170][ T2908]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  165.671174][ T2908]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  165.671176][ T2908]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  165.671179][ T2908]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  165.671186][ T2908]  ? 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))
[  165.671188][ T2908]  ? 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))
[  165.671192][ T2908]  genl_rcv (net/netlink/genetlink.c:1218)
[  165.671194][ T2908]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  165.671198][ T2908]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  165.671202][ T2908]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.671205][ T2908]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  165.671209][ T2908]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  165.671211][ T2908]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  165.671214][ T2908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  165.671219][ T2908]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  165.671222][ T2908]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  165.671225][ T2908]  __sys_sendto (net/socket.c:2281)
[  165.671228][ T2908]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  165.671239][ T2908]  ? fput_close_sync (fs/file_table.c:617)
[  165.671242][ T2908]  ? alloc_file_clone (fs/file_table.c:479)
[  165.671246][ T2908]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  165.671248][ T2908]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  165.671252][ T2908]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  165.671254][ T2908]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  165.671257][ T2908]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  165.671259][ T2908]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  165.671261][ T2908]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  165.671263][ T2908] RIP: 0033:0x7fc317757312
[  165.671267][ T2908] 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)
[  165.671269][ T2908] RSP: 002b:00007fffd41bcc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  165.671271][ T2908] RAX: ffffffffffffffda RBX: 00007fffd41bcd68 RCX: 00007fc317757312
[  165.671273][ T2908] RDX: 0000000000000044 RSI: 00007fc314326e20 RDI: 0000000000000020
[  165.671274][ T2908] RBP: 00007fffd41bcc60 R08: 00007fffd41bcde0 R09: 000000000000000c
[  165.671274][ T2908] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc3155ba120
[  165.671275][ T2908] R13: 00007fffd41bcd68 R14: 00007fc31707601a R15: 00007fffd41bd158
| [  166.892487][ T2955] softirqs last disabled at (396834): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  166.892489][ T2955] Preemption disabled at:
| [  166.892489][ T2955] vprintk_emit (kernel/printk/printk.c:2471)
| [  166.892498][ T2955] Tainted: [W]=WARN
[  166.892498][ T2955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  166.892500][ T2955] Call Trace:
[  166.892501][ T2955]  <TASK>
[  166.892503][ T2955]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  166.892509][ T2955]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  166.892511][ T2955]  __might_resched.cold (kernel/sched/core.c:9234)
[  166.892515][ T2955]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  166.892519][ T2955]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  166.892523][ T2955]  __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))
[  166.892525][ T2955]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  166.892531][ T2955]  ? 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)
[  166.892534][ T2955]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  166.892538][ T2955]  put_chars (drivers/char/virtio_console.c:1176)
[  166.892540][ T2955]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  166.892543][ T2955]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  166.892546][ T2955]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  166.892550][ T2955]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  166.892555][ T2955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  166.892556][ T2955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  166.892561][ T2955]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  166.892565][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.892567][ T2955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.892571][ T2955]  console_emit_next_record (kernel/printk/printk.c:3183)
[  166.892575][ T2955]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  166.892577][ T2955]  ? 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))
[  166.892580][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.892582][ T2955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.892586][ T2955]  console_flush_one_record (kernel/printk/printk.c:3268)
[  166.892590][ T2955]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  166.892592][ T2955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  166.892597][ T2955]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  166.892600][ T2955]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  166.892602][ T2955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.892604][ T2955]  ? 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)
[  166.892607][ T2955]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  166.892609][ T2955]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  166.892612][ T2955]  vprintk_emit (kernel/printk/printk.c:2479)
[  166.892615][ T2955]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  166.892620][ T2955]  _printk (kernel/printk/printk.c:2504)
[  166.892623][ T2955]  ? snapshot_read.cold (user.c:?)
[  166.892626][ T2955]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  166.892629][ T2955]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  166.892633][ T2955]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  166.892635][ T2955]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  166.892638][ T2955]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  166.892642][ T2955]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  166.892645][ T2955]  ? netdev_notice (net/core/dev.c:13194)
[  166.892647][ T2955]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  166.892655][ T2955]  ? 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)
[  166.892658][ T2955]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  166.892661][ T2955]  netif_set_promiscuity (net/core/dev.c:9699)
[  166.892665][ T2955]  dev_set_promiscuity (net/core/dev_api.c:288)
[  166.892667][ T2955]  ? dev_disable_lro (net/core/dev_api.c:267)
[  166.892669][ T2955] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  166.892674][ T2955] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  166.892679][ T2955] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  166.892683][ T2955]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  166.892688][ T2955] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  166.892693][ T2955]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  166.892697][ T2955]  ? __nla_validate_parse (lib/nlattr.c:635)
[  166.892703][ T2955]  ? __nla_parse (lib/nlattr.c:732)
[  166.892706][ T2955]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  166.892710][ T2955]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  166.892714][ T2955]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  166.892722][ T2955]  ? security_capable (security/security.c:660 (discriminator 11))
[  166.892727][ T2955]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  166.892730][ T2955]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  166.892733][ T2955]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  166.892735][ T2955]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  166.892739][ T2955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  166.892745][ T2955]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  166.892748][ T2955]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  166.892750][ T2955]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  166.892754][ T2955]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  166.892761][ T2955]  ? 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))
[  166.892763][ T2955]  ? 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))
[  166.892767][ T2955]  genl_rcv (net/netlink/genetlink.c:1218)
[  166.892769][ T2955]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  166.892773][ T2955]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  166.892777][ T2955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  166.892780][ T2955]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  166.892784][ T2955]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  166.892786][ T2955]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  166.892789][ T2955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  166.892794][ T2955]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  166.892797][ T2955]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  166.892801][ T2955]  __sys_sendto (net/socket.c:2281)
[  166.892804][ T2955]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  166.892814][ T2955]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  166.892821][ T2955]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  166.892823][ T2955]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  166.892827][ T2955]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  166.892828][ T2955]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  166.892831][ T2955]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  166.892833][ T2955]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  166.892835][ T2955]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  166.892837][ T2955] RIP: 0033:0x7f44bf274312
[  166.892841][ T2955] 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)
[  166.892843][ T2955] RSP: 002b:00007ffe95b32648 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  166.892846][ T2955] RAX: ffffffffffffffda RBX: 00007ffe95b32778 RCX: 00007f44bf274312
[  166.892847][ T2955] RDX: 0000000000000030 RSI: 00007f44bc6c7470 RDI: 0000000000000023
[  166.892848][ T2955] RBP: 00007ffe95b32670 R08: 00007ffe95b327f0 R09: 000000000000000c
[  166.892849][ T2955] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44bd0de200
[  166.892849][ T2955] R13: 00007ffe95b32778 R14: 00007f44beb9301a R15: 00007ffe95b32b68
| [  168.092269][ T2993] softirqs last disabled at (384528): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  168.092271][ T2993] Preemption disabled at:
| [  168.092272][ T2993] vprintk_emit (kernel/printk/printk.c:2471)
| [  168.092280][ T2993] Tainted: [W]=WARN
[  168.092281][ T2993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.092283][ T2993] Call Trace:
[  168.092284][ T2993]  <TASK>
[  168.092286][ T2993]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.092292][ T2993]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  168.092294][ T2993]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.092298][ T2993]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.092303][ T2993]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  168.092307][ T2993]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  168.092309][ T2993]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.092315][ T2993]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  168.092318][ T2993]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.092322][ T2993]  put_chars (drivers/char/virtio_console.c:1176)
[  168.092324][ T2993]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.092327][ T2993]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  168.092330][ T2993]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  168.092335][ T2993]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.092339][ T2993]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.092341][ T2993]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.092345][ T2993]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.092349][ T2993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.092351][ T2993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.092355][ T2993]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.092359][ T2993]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.092361][ T2993]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  168.092364][ T2993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.092366][ T2993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.092370][ T2993]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.092375][ T2993]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.092377][ T2993]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.092382][ T2993]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.092385][ T2993]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.092387][ T2993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.092389][ T2993]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  168.092392][ T2993]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.092394][ T2993]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.092398][ T2993]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.092404][ T2993]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.092409][ T2993]  _printk (kernel/printk/printk.c:2504)
[  168.092413][ T2993]  ? snapshot_read.cold (user.c:?)
[  168.092416][ T2993]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  168.092419][ T2993]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  168.092423][ T2993]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  168.092425][ T2993]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  168.092428][ T2993]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  168.092432][ T2993]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  168.092435][ T2993]  ? netdev_notice (net/core/dev.c:13194)
[  168.092437][ T2993]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  168.092446][ T2993]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  168.092448][ T2993]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  168.092452][ T2993]  netif_set_promiscuity (net/core/dev.c:9699)
[  168.092455][ T2993]  dev_set_promiscuity (net/core/dev_api.c:288)
[  168.092457][ T2993]  ? dev_disable_lro (net/core/dev_api.c:267)
[  168.092460][ T2993] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  168.092465][ T2993] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  168.092470][ T2993] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  168.092474][ T2993]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  168.092478][ T2993] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  168.092484][ T2993]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  168.092488][ T2993]  ? __nla_validate_parse (lib/nlattr.c:635)
[  168.092494][ T2993]  ? __nla_parse (lib/nlattr.c:732)
[  168.092496][ T2993]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  168.092501][ T2993]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  168.092505][ T2993]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  168.092513][ T2993]  ? security_capable (security/security.c:660 (discriminator 11))
[  168.092517][ T2993]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  168.092521][ T2993]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  168.092524][ T2993]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  168.092528][ T2993]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  168.092534][ T2993]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.092539][ T2993]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  168.092543][ T2993]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  168.092545][ T2993]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  168.092548][ T2993]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  168.092555][ T2993]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  168.092558][ T2993]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  168.092562][ T2993]  genl_rcv (net/netlink/genetlink.c:1218)
[  168.092564][ T2993]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  168.092568][ T2993]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  168.092570][ T2993]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  168.092575][ T2993]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.092578][ T2993]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  168.092582][ T2993]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  168.092584][ T2993]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.092587][ T2993]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.092592][ T2993]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  168.092595][ T2993]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  168.092598][ T2993]  __sys_sendto (net/socket.c:2281)
[  168.092602][ T2993]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  168.092607][ T2993]  ? do_futex (kernel/futex/syscalls.c:133)
[  168.092610][ T2993]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  168.092616][ T2993]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  168.092623][ T2993]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  168.092625][ T2993]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  168.092629][ T2993]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  168.092631][ T2993]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  168.092634][ T2993]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  168.092636][ T2993]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  168.092638][ T2993]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  168.092640][ T2993] RIP: 0033:0x7f1403c2d312
[  168.092644][ T2993] 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)
[  168.092646][ T2993] RSP: 002b:00007ffc70869de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  168.092649][ T2993] RAX: ffffffffffffffda RBX: 00007ffc70869f18 RCX: 00007f1403c2d312
[  168.092650][ T2993] RDX: 0000000000000030 RSI: 00007f13f378b6f0 RDI: 0000000000000023
[  168.092651][ T2993] RBP: 00007ffc70869e10 R08: 00007ffc70869f90 R09: 000000000000000c
[  168.092652][ T2993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1401a862e0
[  168.092653][ T2993] R13: 00007ffc70869f18 R14: 00007f140354c01a R15: 00007ffc7086a308
| [  174.827392][ T3117] softirqs last disabled at (21200): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  174.827394][ T3117] Preemption disabled at:
| [  174.827395][ T3117] vprintk_emit (kernel/printk/printk.c:2471)
| [  174.827403][ T3117] Tainted: [W]=WARN
[  174.827404][ T3117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.827406][ T3117] Call Trace:
[  174.827407][ T3117]  <TASK>
[  174.827409][ T3117]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  174.827415][ T3117]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  174.827416][ T3117]  __might_resched.cold (kernel/sched/core.c:9234)
[  174.827421][ T3117]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  174.827425][ 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)
[  174.827429][ 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))
[  174.827431][ T3117]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.827437][ 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)
[  174.827440][ T3117]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.827443][ T3117]  put_chars (drivers/char/virtio_console.c:1176)
[  174.827445][ T3117]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  174.827447][ T3117]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  174.827450][ T3117]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  174.827453][ T3117]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  174.827456][ T3117]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  174.827460][ T3117]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  174.827464][ T3117]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  174.827466][ T3117]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.827468][ T3117]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.827472][ T3117]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  174.827474][ T3117]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  174.827477][ T3117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.827479][ T3117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.827483][ T3117]  console_emit_next_record (kernel/printk/printk.c:3183)
[  174.827487][ T3117]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  174.827489][ 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))
[  174.827492][ T3117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.827494][ T3117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.827498][ T3117]  console_flush_one_record (kernel/printk/printk.c:3268)
[  174.827502][ T3117]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  174.827504][ T3117]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.827509][ T3117]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  174.827512][ T3117]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  174.827514][ T3117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.827515][ 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)
[  174.827519][ T3117]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  174.827521][ T3117]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  174.827523][ T3117]  vprintk_emit (kernel/printk/printk.c:2479)
[  174.827526][ T3117]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  174.827529][ T3117]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  174.827532][ T3117]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  174.827540][ T3117]  _printk (kernel/printk/printk.c:2504)
[  174.827544][ T3117]  ? snapshot_read.cold (user.c:?)
[  174.827548][ T3117]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  174.827552][ T3117]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  174.827555][ T3117]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  174.827558][ T3117]  ? netdev_notice (net/core/dev.c:13194)
[  174.827560][ T3117]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  174.827564][ T3117]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  174.827569][ 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)
[  174.827572][ T3117]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  174.827575][ T3117]  netif_set_promiscuity (net/core/dev.c:9699)
[  174.827579][ T3117]  dev_set_promiscuity (net/core/dev_api.c:288)
[  174.827580][ T3117]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  174.827584][ T3117] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  174.827591][ T3117] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  174.827595][ T3117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.827597][ T3117]  notifier_call_chain (kernel/notifier.c:85)
[  174.827603][ T3117]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  174.827607][ T3117]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  174.827614][ T3117]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  174.827616][ T3117]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  174.827618][ T3117]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.827620][ T3117]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.827622][ T3117]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.827642][ T3117]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  174.827644][ T3117]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.827647][ T3117]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  174.827649][ T3117]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  174.827651][ T3117]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.827656][ T3117]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  174.827658][ T3117]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.827659][ T3117]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.827661][ T3117]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  174.827665][ T3117]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.827667][ T3117]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  174.827670][ T3117]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.827672][ T3117]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.827676][ T3117]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  174.827678][ T3117]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.827681][ T3117]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  174.827685][ T3117]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.827687][ T3117]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  174.827694][ 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))
[  174.827696][ 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))
[  174.827700][ T3117]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.827704][ T3117]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  174.827706][ T3117]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.827710][ T3117]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  174.827714][ T3117]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  174.827718][ T3117]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  174.827720][ T3117]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  174.827725][ T3117]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  174.827729][ T3117]  ____sys_sendmsg (net/socket.c:2713)
[  174.827731][ T3117]  ? copy_msghdr_from_user (net/socket.c:2650)
[  174.827733][ T3117]  ? sock_write_iter (net/socket.c:1269)
[  174.827735][ T3117]  ? move_addr_to_kernel (net/socket.c:258)
[  174.827742][ T3117]  ___sys_sendmsg (net/socket.c:2767)
[  174.827745][ T3117]  ? copy_msghdr_from_user (net/socket.c:2619)
[  174.827760][ T3117]  __sys_sendmsg (net/socket.c:2799)
[  174.827763][ T3117]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  174.827769][ T3117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.827772][ T3117]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.827776][ T3117]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  174.827779][ T3117]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.827781][ T3117] RIP: 0033:0x7fad9150854e
[  174.827784][ T3117] 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
[  174.827786][ T3117] RSP: 002b:00007ffc060da790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  174.827789][ T3117] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fad9150854e
[  174.827790][ T3117] RDX: 0000000000000000 RSI: 00007ffc060da840 RDI: 0000000000000005
[  174.827791][ T3117] RBP: 00007ffc060da7a0 R08: 0000000000000000 R09: 0000000000000000
[  174.827792][ T3117] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9115cb
[  174.827793][ T3117] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc060daf00
| [  177.665689][ T3174] softirqs last disabled at (381772): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  177.665691][ T3174] Preemption disabled at:
| [  177.665692][ T3174] vprintk_emit (kernel/printk/printk.c:2471)
| [  177.665700][ T3174] Tainted: [W]=WARN
[  177.665701][ T3174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  177.665703][ T3174] Call Trace:
[  177.665705][ T3174]  <TASK>
[  177.665706][ T3174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  177.665712][ T3174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  177.665714][ T3174]  __might_resched.cold (kernel/sched/core.c:9234)
[  177.665718][ T3174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  177.665722][ T3174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  177.665726][ T3174]  __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))
[  177.665728][ T3174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  177.665735][ T3174]  ? 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)
[  177.665738][ T3174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  177.665742][ T3174]  put_chars (drivers/char/virtio_console.c:1176)
[  177.665744][ T3174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  177.665747][ T3174]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  177.665750][ T3174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  177.665753][ T3174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  177.665757][ T3174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  177.665761][ T3174]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  177.665763][ T3174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.665764][ T3174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.665769][ T3174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  177.665770][ T3174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  177.665775][ T3174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.665779][ T3174]  console_emit_next_record (kernel/printk/printk.c:3183)
[  177.665783][ T3174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  177.665785][ T3174]  ? 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))
[  177.665788][ T3174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.665790][ T3174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.665794][ T3174]  console_flush_one_record (kernel/printk/printk.c:3268)
[  177.665798][ T3174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  177.665799][ T3174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.665805][ T3174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  177.665807][ T3174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  177.665809][ T3174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.665811][ T3174]  ? 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)
[  177.665814][ T3174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  177.665816][ T3174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  177.665819][ T3174]  vprintk_emit (kernel/printk/printk.c:2479)
[  177.665822][ T3174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  177.665824][ T3174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  177.665826][ T3174]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  177.665830][ T3174]  _printk (kernel/printk/printk.c:2504)
[  177.665834][ T3174]  ? snapshot_read.cold (user.c:?)
[  177.665835][ T3174]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  177.665841][ T3174]  ? idr_get_free (??:?)
[  177.665846][ T3174]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  177.665854][ T3174]  ? nla_get_range_signed (lib/nlattr.c:270)
[  177.665860][ T3174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.665861][ T3174]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  177.665866][ T3174]  __nla_validate_parse (lib/nlattr.c:635)
[  177.665870][ T3174]  __nla_parse (lib/nlattr.c:732)
[  177.665873][ T3174]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  177.665878][ T3174]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  177.665881][ T3174]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  177.665889][ T3174]  ? security_capable (security/security.c:660 (discriminator 11))
[  177.665893][ T3174]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  177.665897][ T3174]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  177.665899][ T3174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  177.665902][ T3174]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  177.665909][ T3174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.665915][ T3174]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  177.665918][ T3174]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  177.665920][ T3174]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  177.665923][ T3174]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  177.665930][ T3174]  ? 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))
[  177.665932][ T3174]  ? 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))
[  177.665935][ T3174]  genl_rcv (net/netlink/genetlink.c:1218)
[  177.665938][ T3174]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  177.665942][ T3174]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  177.665945][ T3174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.665948][ T3174]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  177.665952][ T3174]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  177.665954][ T3174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  177.665957][ T3174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  177.665962][ T3174]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  177.665964][ T3174]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  177.665968][ T3174]  __sys_sendto (net/socket.c:2281)
[  177.665971][ T3174]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  177.665981][ T3174]  ? fput_close_sync (fs/file_table.c:617)
[  177.665985][ T3174]  ? alloc_file_clone (fs/file_table.c:479)
[  177.665989][ T3174]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  177.665991][ T3174]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  177.665995][ T3174]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  177.665997][ T3174]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  177.666000][ T3174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  177.666002][ T3174]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  177.666004][ T3174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  177.666006][ T3174] RIP: 0033:0x7f488de18312
[  177.666010][ T3174] 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)
[  177.666012][ T3174] RSP: 002b:00007ffeed268268 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  177.666015][ T3174] RAX: ffffffffffffffda RBX: 00007ffeed268398 RCX: 00007f488de18312
[  177.666016][ T3174] RDX: 0000000000000044 RSI: 00007f48899eee20 RDI: 0000000000000020
[  177.666017][ T3174] RBP: 00007ffeed268290 R08: 00007ffeed268410 R09: 000000000000000c
[  177.666018][ T3174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f488bc82120
[  177.666019][ T3174] R13: 00007ffeed268398 R14: 00007f488d73701a R15: 00007ffeed268788
| [  178.866364][ T3223] softirqs last disabled at (378350): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  178.866366][ T3223] Preemption disabled at:
| [  178.866366][ T3223] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.866375][ T3223] Tainted: [W]=WARN
[  178.866376][ T3223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.866377][ T3223] Call Trace:
[  178.866379][ T3223]  <TASK>
[  178.866380][ T3223]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.866386][ T3223]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.866388][ T3223]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.866392][ T3223]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.866397][ T3223]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  178.866401][ T3223]  __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))
[  178.866403][ T3223]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.866409][ T3223]  ? 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)
[  178.866412][ T3223]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.866416][ T3223]  put_chars (drivers/char/virtio_console.c:1176)
[  178.866418][ T3223]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.866422][ T3223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  178.866424][ T3223]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  178.866429][ T3223]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.866433][ T3223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.866435][ T3223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.866439][ T3223]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.866443][ T3223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.866445][ T3223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.866449][ T3223]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.866453][ T3223]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.866455][ T3223]  ? 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))
[  178.866458][ T3223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.866460][ T3223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.866464][ T3223]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.866468][ T3223]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.866470][ T3223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.866477][ T3223]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.866482][ T3223]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.866485][ T3223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.866487][ T3223]  ? 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)
[  178.866491][ T3223]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.866492][ T3223]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.866495][ T3223]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.866498][ T3223]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.866504][ T3223]  _printk (kernel/printk/printk.c:2504)
[  178.866507][ T3223]  ? snapshot_read.cold (user.c:?)
[  178.866510][ T3223]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  178.866513][ T3223]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  178.866517][ T3223]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  178.866519][ T3223]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  178.866523][ T3223]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  178.866527][ T3223]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  178.866530][ T3223]  ? netdev_notice (net/core/dev.c:13194)
[  178.866531][ T3223]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  178.866540][ T3223]  ? 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)
[  178.866544][ T3223]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  178.866550][ T3223]  netif_set_promiscuity (net/core/dev.c:9699)
[  178.866554][ T3223]  dev_set_promiscuity (net/core/dev_api.c:288)
[  178.866557][ T3223]  ? dev_disable_lro (net/core/dev_api.c:267)
[  178.866559][ T3223] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  178.866564][ T3223] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  178.866569][ T3223] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  178.866573][ T3223]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  178.866577][ T3223] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  178.866583][ T3223]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  178.866587][ T3223]  ? __nla_validate_parse (lib/nlattr.c:635)
[  178.866593][ T3223]  ? __nla_parse (lib/nlattr.c:732)
[  178.866595][ T3223]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  178.866600][ T3223]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  178.866603][ T3223]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  178.866615][ T3223]  ? security_capable (security/security.c:660 (discriminator 11))
[  178.866620][ T3223]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  178.866624][ T3223]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  178.866626][ T3223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  178.866628][ T3223]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  178.866633][ T3223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.866638][ T3223]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  178.866642][ T3223]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  178.866644][ T3223]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  178.866647][ T3223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  178.866654][ T3223]  ? 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))
[  178.866656][ T3223]  ? 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))
[  178.866660][ T3223]  genl_rcv (net/netlink/genetlink.c:1218)
[  178.866662][ T3223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  178.866666][ T3223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  178.866668][ T3223]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  178.866673][ T3223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.866677][ T3223]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  178.866681][ T3223]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  178.866682][ T3223]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  178.866687][ T3223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  178.866694][ T3223]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  178.866697][ T3223]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  178.866701][ T3223]  __sys_sendto (net/socket.c:2281)
[  178.866704][ T3223]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  178.866715][ T3223]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  178.866721][ T3223]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  178.866724][ T3223]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  178.866729][ T3223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  178.866731][ T3223]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  178.866734][ T3223]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  178.866736][ T3223]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  178.866739][ T3223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  178.866741][ T3223] RIP: 0033:0x7f2a7d567312
[  178.866745][ T3223] 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)
[  178.866747][ T3223] RSP: 002b:00007ffd001bd458 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  178.866750][ T3223] RAX: ffffffffffffffda RBX: 00007ffd001bd588 RCX: 00007f2a7d567312
[  178.866751][ T3223] RDX: 0000000000000030 RSI: 00007f2a7b290b30 RDI: 0000000000000023
[  178.866752][ T3223] RBP: 00007ffd001bd480 R08: 00007ffd001bd600 R09: 000000000000000c
[  178.866753][ T3223] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2a7b3ca200
[  178.866754][ T3223] R13: 00007ffd001bd588 R14: 00007f2a7ce8601a R15: 00007ffd001bd978
| [  180.011372][ T3261] softirqs last disabled at (379626): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  180.011374][ T3261] Preemption disabled at:
| [  180.011374][ T3261] vprintk_emit (kernel/printk/printk.c:2471)
| [  180.011383][ T3261] Tainted: [W]=WARN
[  180.011383][ T3261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  180.011385][ T3261] Call Trace:
[  180.011386][ T3261]  <TASK>
[  180.011388][ T3261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  180.011394][ T3261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  180.011396][ T3261]  __might_resched.cold (kernel/sched/core.c:9234)
[  180.011400][ T3261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  180.011404][ T3261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  180.011409][ T3261]  __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))
[  180.011411][ T3261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  180.011418][ T3261]  ? 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)
[  180.011420][ T3261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  180.011424][ T3261]  put_chars (drivers/char/virtio_console.c:1176)
[  180.011426][ T3261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  180.011430][ T3261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  180.011433][ T3261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  180.011437][ T3261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  180.011441][ T3261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  180.011443][ T3261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  180.011448][ T3261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  180.011451][ T3261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.011454][ T3261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.011458][ T3261]  console_emit_next_record (kernel/printk/printk.c:3183)
[  180.011462][ T3261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  180.011464][ T3261]  ? 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))
[  180.011467][ T3261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.011469][ T3261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.011473][ T3261]  console_flush_one_record (kernel/printk/printk.c:3268)
[  180.011477][ T3261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  180.011479][ T3261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  180.011484][ T3261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  180.011487][ T3261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  180.011489][ T3261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.011491][ T3261]  ? 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)
[  180.011495][ T3261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  180.011496][ T3261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  180.011499][ T3261]  vprintk_emit (kernel/printk/printk.c:2479)
[  180.011502][ T3261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  180.011508][ T3261]  _printk (kernel/printk/printk.c:2504)
[  180.011511][ T3261]  ? snapshot_read.cold (user.c:?)
[  180.011514][ T3261]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  180.011517][ T3261]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  180.011521][ T3261]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  180.011522][ T3261]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  180.011526][ T3261]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  180.011530][ T3261]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  180.011533][ T3261]  ? netdev_notice (net/core/dev.c:13194)
[  180.011535][ T3261]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  180.011543][ T3261]  ? 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)
[  180.011546][ T3261]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  180.011549][ T3261]  netif_set_promiscuity (net/core/dev.c:9699)
[  180.011553][ T3261]  dev_set_promiscuity (net/core/dev_api.c:288)
[  180.011555][ T3261]  ? dev_disable_lro (net/core/dev_api.c:267)
[  180.011557][ T3261] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  180.011563][ T3261] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  180.011568][ T3261] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  180.011572][ T3261]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  180.011576][ T3261] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  180.011582][ T3261]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  180.011585][ T3261]  ? __nla_validate_parse (lib/nlattr.c:635)
[  180.011591][ T3261]  ? __nla_parse (lib/nlattr.c:732)
[  180.011594][ T3261]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  180.011599][ T3261]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  180.011602][ T3261]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  180.011610][ T3261]  ? security_capable (security/security.c:660 (discriminator 11))
[  180.011614][ T3261]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  180.011618][ T3261]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  180.011621][ T3261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  180.011623][ T3261]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  180.011627][ T3261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  180.011633][ T3261]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  180.011636][ T3261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  180.011638][ T3261]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  180.011642][ T3261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  180.011649][ T3261]  ? 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))
[  180.011651][ T3261]  ? 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))
[  180.011655][ T3261]  genl_rcv (net/netlink/genetlink.c:1218)
[  180.011657][ T3261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  180.011661][ T3261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  180.011663][ T3261]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  180.011668][ T3261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  180.011671][ T3261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  180.011675][ T3261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  180.011677][ T3261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  180.011680][ T3261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  180.011685][ T3261]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  180.011688][ T3261]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  180.011692][ T3261]  __sys_sendto (net/socket.c:2281)
[  180.011695][ T3261]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  180.011706][ T3261]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  180.011711][ T3261]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  180.011713][ T3261]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  180.011717][ T3261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  180.011718][ T3261]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  180.011721][ T3261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  180.011723][ T3261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  180.011725][ T3261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  180.011727][ T3261] RIP: 0033:0x7fb608991312
[  180.011731][ T3261] 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)
[  180.011733][ T3261] RSP: 002b:00007ffd9fa4a378 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  180.011735][ T3261] RAX: ffffffffffffffda RBX: 00007ffd9fa4a4a8 RCX: 00007fb608991312
[  180.011737][ T3261] RDX: 0000000000000030 RSI: 00007fb604590a30 RDI: 0000000000000023
[  180.011737][ T3261] RBP: 00007ffd9fa4a3a0 R08: 00007ffd9fa4a520 R09: 000000000000000c
[  180.011738][ T3261] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb6067ea2e0
[  180.011739][ T3261] R13: 00007ffd9fa4a4a8 R14: 00007fb6082b001a R15: 00007ffd9fa4a898
| [  189.400189][ T3405] softirqs last disabled at (23957): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  189.400191][ T3405] Preemption disabled at:
| [  189.400191][ T3405] vprintk_emit (kernel/printk/printk.c:2471)
| [  189.400200][ T3405] Tainted: [W]=WARN
[  189.400201][ T3405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  189.400203][ T3405] Call Trace:
[  189.400204][ T3405]  <TASK>
[  189.400206][ T3405]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  189.400211][ T3405]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  189.400213][ T3405]  __might_resched.cold (kernel/sched/core.c:9234)
[  189.400217][ T3405]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  189.400221][ T3405]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  189.400225][ T3405]  __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))
[  189.400231][ T3405]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.400237][ T3405]  ? 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)
[  189.400240][ T3405]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.400244][ T3405]  put_chars (drivers/char/virtio_console.c:1176)
[  189.400245][ T3405]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  189.400248][ T3405]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  189.400251][ T3405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  189.400254][ T3405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  189.400256][ T3405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  189.400260][ T3405]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  189.400265][ T3405]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  189.400266][ T3405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.400268][ T3405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.400272][ T3405]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  189.400275][ T3405]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  189.400278][ T3405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.400280][ T3405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.400284][ T3405]  console_emit_next_record (kernel/printk/printk.c:3183)
[  189.400288][ T3405]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  189.400289][ T3405]  ? 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))
[  189.400293][ T3405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.400294][ T3405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.400298][ T3405]  console_flush_one_record (kernel/printk/printk.c:3268)
[  189.400302][ T3405]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  189.400304][ T3405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.400309][ T3405]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  189.400312][ T3405]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  189.400314][ T3405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.400315][ T3405]  ? 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)
[  189.400319][ T3405]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  189.400321][ T3405]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  189.400323][ T3405]  vprintk_emit (kernel/printk/printk.c:2479)
[  189.400326][ T3405]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  189.400329][ T3405]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  189.400332][ T3405]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  189.400340][ T3405]  _printk (kernel/printk/printk.c:2504)
[  189.400344][ T3405]  ? snapshot_read.cold (user.c:?)
[  189.400348][ T3405]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  189.400352][ T3405]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  189.400355][ T3405]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  189.400358][ T3405]  ? netdev_notice (net/core/dev.c:13194)
[  189.400360][ T3405]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  189.400364][ T3405]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  189.400369][ T3405]  ? 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)
[  189.400372][ T3405]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  189.400375][ T3405]  netif_set_promiscuity (net/core/dev.c:9699)
[  189.400378][ T3405]  dev_set_promiscuity (net/core/dev_api.c:288)
[  189.400380][ T3405]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  189.400383][ T3405] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  189.400390][ T3405] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  189.400394][ T3405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.400396][ T3405]  notifier_call_chain (kernel/notifier.c:85)
[  189.400402][ T3405]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  189.400407][ T3405]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  189.400414][ T3405]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  189.400416][ T3405]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  189.400418][ T3405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.400419][ T3405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.400421][ T3405]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  189.400442][ T3405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.400444][ T3405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  189.400447][ T3405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.400449][ T3405]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  189.400451][ T3405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.400455][ T3405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.400457][ T3405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  189.400459][ T3405]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  189.400461][ T3405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.400465][ T3405]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  189.400467][ T3405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  189.400470][ T3405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.400472][ T3405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.400476][ T3405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.400478][ T3405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  189.400481][ T3405]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  189.400485][ T3405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.400487][ T3405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  189.400494][ T3405]  ? 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))
[  189.400496][ T3405]  ? 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))
[  189.400500][ T3405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  189.400504][ T3405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  189.400507][ T3405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  189.400511][ T3405]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  189.400515][ T3405]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  189.400519][ T3405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.400520][ T3405]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  189.400526][ T3405]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  189.400530][ T3405]  ____sys_sendmsg (net/socket.c:2713)
[  189.400532][ T3405]  ? copy_msghdr_from_user (net/socket.c:2650)
[  189.400534][ T3405]  ? sock_write_iter (net/socket.c:1269)
[  189.400536][ T3405]  ? move_addr_to_kernel (net/socket.c:258)
[  189.400543][ T3405]  ___sys_sendmsg (net/socket.c:2767)
[  189.400546][ T3405]  ? copy_msghdr_from_user (net/socket.c:2619)
[  189.400561][ T3405]  __sys_sendmsg (net/socket.c:2799)
[  189.400564][ T3405]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  189.400570][ T3405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.400573][ T3405]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  189.400576][ T3405]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  189.400579][ T3405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  189.400581][ T3405] RIP: 0033:0x7fe51d93a54e
[  189.400585][ T3405] 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
[  189.400587][ T3405] RSP: 002b:00007ffe75237690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  189.400590][ T3405] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe51d93a54e
[  189.400591][ T3405] RDX: 0000000000000000 RSI: 00007ffe75237740 RDI: 0000000000000005
[  189.400592][ T3405] RBP: 00007ffe752376a0 R08: 0000000000000000 R09: 0000000000000000
[  189.400593][ T3405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9115d9
[  189.400593][ T3405] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe75237e00
| [  192.235082][ T3462] softirqs last disabled at (382326): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  192.235084][ T3462] Preemption disabled at:
| [  192.235085][ T3462] vprintk_emit (kernel/printk/printk.c:2471)
| [  192.235094][ T3462] Tainted: [W]=WARN
[  192.235095][ T3462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  192.235096][ T3462] Call Trace:
[  192.235098][ T3462]  <TASK>
[  192.235099][ T3462]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  192.235106][ T3462]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  192.235107][ T3462]  __might_resched.cold (kernel/sched/core.c:9234)
[  192.235111][ T3462]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  192.235116][ T3462]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  192.235120][ T3462]  __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))
[  192.235122][ T3462]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  192.235129][ T3462]  ? 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)
[  192.235131][ T3462]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  192.235135][ T3462]  put_chars (drivers/char/virtio_console.c:1176)
[  192.235137][ T3462]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  192.235140][ T3462]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  192.235143][ T3462]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  192.235146][ T3462]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  192.235150][ T3462]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  192.235154][ T3462]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  192.235156][ T3462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  192.235158][ T3462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  192.235162][ T3462]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  192.235164][ T3462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  192.235168][ T3462]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.235172][ T3462]  console_emit_next_record (kernel/printk/printk.c:3183)
[  192.235176][ T3462]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  192.235178][ T3462]  ? 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))
[  192.235181][ T3462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.235183][ T3462]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.235187][ T3462]  console_flush_one_record (kernel/printk/printk.c:3268)
[  192.235191][ T3462]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  192.235193][ T3462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  192.235198][ T3462]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  192.235201][ T3462]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  192.235203][ T3462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.235205][ T3462]  ? 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)
[  192.235208][ T3462]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  192.235210][ T3462]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  192.235213][ T3462]  vprintk_emit (kernel/printk/printk.c:2479)
[  192.235216][ T3462]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  192.235218][ T3462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  192.235220][ T3462]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  192.235225][ T3462]  _printk (kernel/printk/printk.c:2504)
[  192.235228][ T3462]  ? snapshot_read.cold (user.c:?)
[  192.235230][ T3462]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  192.235236][ T3462]  ? idr_get_free (??:?)
[  192.235244][ T3462]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  192.235253][ T3462]  ? nla_get_range_signed (lib/nlattr.c:270)
[  192.235259][ T3462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.235261][ T3462]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  192.235265][ T3462]  __nla_validate_parse (lib/nlattr.c:635)
[  192.235270][ T3462]  __nla_parse (lib/nlattr.c:732)
[  192.235272][ T3462]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  192.235277][ T3462]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  192.235281][ T3462]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  192.235289][ T3462]  ? security_capable (security/security.c:660 (discriminator 11))
[  192.235293][ T3462]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  192.235297][ T3462]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  192.235299][ T3462]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  192.235301][ T3462]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  192.235309][ T3462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  192.235314][ T3462]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  192.235317][ T3462]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  192.235319][ T3462]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  192.235323][ T3462]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  192.235330][ T3462]  ? 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))
[  192.235332][ T3462]  ? 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))
[  192.235336][ T3462]  genl_rcv (net/netlink/genetlink.c:1218)
[  192.235338][ T3462]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  192.235342][ T3462]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  192.235345][ T3462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  192.235349][ T3462]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  192.235353][ T3462]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  192.235354][ T3462]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  192.235357][ T3462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  192.235362][ T3462]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  192.235365][ T3462]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  192.235369][ T3462]  __sys_sendto (net/socket.c:2281)
[  192.235372][ T3462]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  192.235383][ T3462]  ? fput_close_sync (fs/file_table.c:617)
[  192.235386][ T3462]  ? alloc_file_clone (fs/file_table.c:479)
[  192.235390][ T3462]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  192.235392][ T3462]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  192.235396][ T3462]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  192.235398][ T3462]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  192.235401][ T3462]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  192.235403][ T3462]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  192.235405][ T3462]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  192.235407][ T3462] RIP: 0033:0x7f81341d9312
[  192.235411][ T3462] 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)
[  192.235413][ T3462] RSP: 002b:00007fff1fadeec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  192.235415][ T3462] RAX: ffffffffffffffda RBX: 00007fff1fadeff8 RCX: 00007f81341d9312
[  192.235417][ T3462] RDX: 0000000000000044 RSI: 00007f81305a3000 RDI: 0000000000000020
[  192.235417][ T3462] RBP: 00007fff1fadeef0 R08: 00007fff1fadf070 R09: 000000000000000c
[  192.235418][ T3462] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81320320b0
[  192.235419][ T3462] R13: 00007fff1fadeff8 R14: 00007f8133af801a R15: 00007fff1fadf3e8
| [  193.477463][ T3510] softirqs last disabled at (382030): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  193.477464][ T3510] Preemption disabled at:
| [  193.477465][ T3510] vprintk_emit (kernel/printk/printk.c:2471)
| [  193.477473][ T3510] Tainted: [W]=WARN
[  193.477474][ T3510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  193.477476][ T3510] Call Trace:
[  193.477478][ T3510]  <TASK>
[  193.477479][ T3510]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  193.477485][ T3510]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  193.477486][ T3510]  __might_resched.cold (kernel/sched/core.c:9234)
[  193.477491][ T3510]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  193.477495][ T3510]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  193.477500][ T3510]  __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))
[  193.477502][ T3510]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.477508][ T3510]  ? 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)
[  193.477511][ T3510]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.477515][ T3510]  put_chars (drivers/char/virtio_console.c:1176)
[  193.477517][ T3510]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  193.477521][ T3510]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  193.477524][ T3510]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  193.477528][ T3510]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  193.477532][ T3510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.477534][ T3510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.477538][ T3510]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  193.477542][ T3510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.477544][ T3510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.477548][ T3510]  console_emit_next_record (kernel/printk/printk.c:3183)
[  193.477553][ T3510]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  193.477554][ T3510]  ? 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))
[  193.477558][ T3510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.477559][ T3510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.477563][ T3510]  console_flush_one_record (kernel/printk/printk.c:3268)
[  193.477568][ T3510]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  193.477570][ T3510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.477575][ T3510]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  193.477578][ T3510]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  193.477580][ T3510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.477581][ T3510]  ? 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)
[  193.477585][ T3510]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  193.477587][ T3510]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  193.477590][ T3510]  vprintk_emit (kernel/printk/printk.c:2479)
[  193.477593][ T3510]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  193.477598][ T3510]  _printk (kernel/printk/printk.c:2504)
[  193.477602][ T3510]  ? snapshot_read.cold (user.c:?)
[  193.477604][ T3510]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  193.477607][ T3510]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  193.477611][ T3510]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  193.477613][ T3510]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  193.477617][ T3510]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  193.477621][ T3510]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  193.477624][ T3510]  ? netdev_notice (net/core/dev.c:13194)
[  193.477626][ T3510]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  193.477635][ T3510]  ? 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)
[  193.477637][ T3510]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  193.477641][ T3510]  netif_set_promiscuity (net/core/dev.c:9699)
[  193.477644][ T3510]  dev_set_promiscuity (net/core/dev_api.c:288)
[  193.477646][ T3510]  ? dev_disable_lro (net/core/dev_api.c:267)
[  193.477648][ T3510] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  193.477654][ T3510] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  193.477659][ T3510] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  193.477663][ T3510]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  193.477667][ T3510] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  193.477673][ T3510]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  193.477677][ T3510]  ? __nla_validate_parse (lib/nlattr.c:635)
[  193.477683][ T3510]  ? __nla_parse (lib/nlattr.c:732)
[  193.477685][ T3510]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  193.477690][ T3510]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  193.477694][ T3510]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  193.477702][ T3510]  ? security_capable (security/security.c:660 (discriminator 11))
[  193.477706][ T3510]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  193.477710][ T3510]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  193.477713][ T3510]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  193.477715][ T3510]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  193.477719][ T3510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.477725][ T3510]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  193.477728][ T3510]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  193.477730][ T3510]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  193.477733][ T3510]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  193.477740][ T3510]  ? 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))
[  193.477742][ T3510]  ? 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))
[  193.477746][ T3510]  genl_rcv (net/netlink/genetlink.c:1218)
[  193.477748][ T3510]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  193.477752][ T3510]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  193.477756][ T3510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.477760][ T3510]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  193.477764][ T3510]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  193.477765][ T3510]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  193.477768][ T3510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  193.477773][ T3510]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  193.477776][ T3510]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  193.477780][ T3510]  __sys_sendto (net/socket.c:2281)
[  193.477783][ T3510]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  193.477794][ T3510]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  193.477801][ T3510]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  193.477803][ T3510]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  193.477807][ T3510]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  193.477808][ T3510]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  193.477811][ T3510]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  193.477813][ T3510]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  193.477815][ T3510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  193.477817][ T3510] RIP: 0033:0x7f700362d312
[  193.477821][ T3510] 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)
[  193.477822][ T3510] RSP: 002b:00007ffe5c029f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  193.477825][ T3510] RAX: ffffffffffffffda RBX: 00007ffe5c02a068 RCX: 00007f700362d312
[  193.477827][ T3510] RDX: 0000000000000030 RSI: 00007f7000267df0 RDI: 0000000000000023
[  193.477827][ T3510] RBP: 00007ffe5c029f60 R08: 00007ffe5c02a0e0 R09: 000000000000000c
[  193.477828][ T3510] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7001486190
[  193.477829][ T3510] R13: 00007ffe5c02a068 R14: 00007f7002f4c01a R15: 00007ffe5c02a458
| [  194.670890][ T3549] softirqs last disabled at (381828): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  194.670892][ T3549] Preemption disabled at:
| [  194.670892][ T3549] vprintk_emit (kernel/printk/printk.c:2471)
| [  194.670901][ T3549] Tainted: [W]=WARN
[  194.670901][ T3549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  194.670903][ T3549] Call Trace:
[  194.670905][ T3549]  <TASK>
[  194.670906][ T3549]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  194.670913][ T3549]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  194.670914][ T3549]  __might_resched.cold (kernel/sched/core.c:9234)
[  194.670919][ T3549]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  194.670923][ T3549]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  194.670927][ T3549]  __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))
[  194.670929][ T3549]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.670936][ T3549]  ? 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)
[  194.670939][ T3549]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.670942][ T3549]  put_chars (drivers/char/virtio_console.c:1176)
[  194.670945][ T3549]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  194.670948][ T3549]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  194.670951][ T3549]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  194.670955][ T3549]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  194.670960][ T3549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.670961][ T3549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.670966][ T3549]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  194.670970][ T3549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.670972][ T3549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.670976][ T3549]  console_emit_next_record (kernel/printk/printk.c:3183)
[  194.670980][ T3549]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  194.670982][ T3549]  ? 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))
[  194.670985][ T3549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.670987][ T3549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.670991][ T3549]  console_flush_one_record (kernel/printk/printk.c:3268)
[  194.670995][ T3549]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  194.670997][ T3549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.671003][ T3549]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  194.671005][ T3549]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  194.671007][ T3549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.671009][ T3549]  ? 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)
[  194.671013][ T3549]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  194.671014][ T3549]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  194.671017][ T3549]  vprintk_emit (kernel/printk/printk.c:2479)
[  194.671020][ T3549]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  194.671026][ T3549]  _printk (kernel/printk/printk.c:2504)
[  194.671029][ T3549]  ? snapshot_read.cold (user.c:?)
[  194.671032][ T3549]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  194.671035][ T3549]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  194.671039][ T3549]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  194.671043][ T3549]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  194.671047][ T3549]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  194.671051][ T3549]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  194.671054][ T3549]  ? netdev_notice (net/core/dev.c:13194)
[  194.671055][ T3549]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  194.671064][ T3549]  ? 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)
[  194.671067][ T3549]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  194.671070][ T3549]  netif_set_promiscuity (net/core/dev.c:9699)
[  194.671074][ T3549]  dev_set_promiscuity (net/core/dev_api.c:288)
[  194.671076][ T3549]  ? dev_disable_lro (net/core/dev_api.c:267)
[  194.671078][ T3549] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  194.671083][ T3549] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  194.671088][ T3549] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  194.671093][ T3549]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  194.671097][ T3549] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  194.671103][ T3549]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  194.671106][ T3549]  ? __nla_validate_parse (lib/nlattr.c:635)
[  194.671112][ T3549]  ? __nla_parse (lib/nlattr.c:732)
[  194.671115][ T3549]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  194.671120][ T3549]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  194.671123][ T3549]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  194.671132][ T3549]  ? security_capable (security/security.c:660 (discriminator 11))
[  194.671136][ T3549]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  194.671140][ T3549]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  194.671142][ T3549]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  194.671145][ T3549]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  194.671149][ T3549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.671154][ T3549]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  194.671158][ T3549]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  194.671160][ T3549]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  194.671163][ T3549]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  194.671170][ T3549]  ? 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))
[  194.671172][ T3549]  ? 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))
[  194.671176][ T3549]  genl_rcv (net/netlink/genetlink.c:1218)
[  194.671179][ T3549]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  194.671183][ T3549]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  194.671186][ T3549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.671190][ T3549]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  194.671194][ T3549]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  194.671196][ T3549]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  194.671199][ T3549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  194.671203][ T3549]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  194.671207][ T3549]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  194.671210][ T3549]  __sys_sendto (net/socket.c:2281)
[  194.671213][ T3549]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  194.671224][ T3549]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  194.671231][ T3549]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  194.671233][ T3549]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  194.671237][ T3549]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  194.671238][ T3549]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  194.671241][ T3549]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  194.671243][ T3549]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  194.671245][ T3549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  194.671251][ T3549] RIP: 0033:0x7f6add2c5312
[  194.671255][ T3549] 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)
[  194.671257][ T3549] RSP: 002b:00007fffb508fef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  194.671260][ T3549] RAX: ffffffffffffffda RBX: 00007fffb5090028 RCX: 00007f6add2c5312
[  194.671261][ T3549] RDX: 0000000000000030 RSI: 00007f6ad8ecfe30 RDI: 0000000000000023
[  194.671262][ T3549] RBP: 00007fffb508ff20 R08: 00007fffb50900a0 R09: 000000000000000c
[  194.671263][ T3549] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6adb11e270
[  194.671264][ T3549] R13: 00007fffb5090028 R14: 00007f6adcbe401a R15: 00007fffb5090418
| [  206.869723][ T3805] softirqs last disabled at (18975): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  206.869725][ T3805] Preemption disabled at:
| [  206.869726][ T3805] vprintk_emit (kernel/printk/printk.c:2471)
| [  206.869735][ T3805] Tainted: [W]=WARN
[  206.869736][ T3805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  206.869737][ T3805] Call Trace:
[  206.869739][ T3805]  <TASK>
[  206.869741][ T3805]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  206.869746][ T3805]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  206.869748][ T3805]  __might_resched.cold (kernel/sched/core.c:9234)
[  206.869752][ T3805]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  206.869756][ T3805]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  206.869761][ T3805]  __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))
[  206.869762][ T3805]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  206.869769][ T3805]  ? 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)
[  206.869772][ T3805]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  206.869775][ T3805]  put_chars (drivers/char/virtio_console.c:1176)
[  206.869777][ T3805]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  206.869779][ T3805]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  206.869782][ T3805]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  206.869785][ T3805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  206.869788][ T3805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  206.869792][ T3805]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  206.869796][ T3805]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  206.869798][ T3805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.869800][ T3805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.869804][ T3805]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  206.869807][ T3805]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  206.869810][ T3805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.869812][ T3805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  206.869816][ T3805]  console_emit_next_record (kernel/printk/printk.c:3183)
[  206.869820][ T3805]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  206.869822][ T3805]  ? 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))
[  206.869825][ T3805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.869827][ T3805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  206.869830][ T3805]  console_flush_one_record (kernel/printk/printk.c:3268)
[  206.869835][ T3805]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  206.869836][ T3805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.869842][ T3805]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  206.869845][ T3805]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  206.869846][ T3805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.869848][ T3805]  ? 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)
[  206.869852][ T3805]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  206.869854][ T3805]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  206.869856][ T3805]  vprintk_emit (kernel/printk/printk.c:2479)
[  206.869859][ T3805]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  206.869862][ T3805]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  206.869865][ T3805]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  206.869873][ T3805]  _printk (kernel/printk/printk.c:2504)
[  206.869877][ T3805]  ? snapshot_read.cold (user.c:?)
[  206.869881][ T3805]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  206.869885][ T3805]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  206.869889][ T3805]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  206.869892][ T3805]  ? netdev_notice (net/core/dev.c:13194)
[  206.869894][ T3805]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  206.869898][ T3805]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  206.869903][ T3805]  ? 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)
[  206.869906][ T3805]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  206.869909][ T3805]  netif_set_promiscuity (net/core/dev.c:9699)
[  206.869912][ T3805]  dev_set_promiscuity (net/core/dev_api.c:288)
[  206.869914][ T3805]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  206.869918][ T3805] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  206.869924][ T3805] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  206.869929][ T3805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.869931][ T3805]  notifier_call_chain (kernel/notifier.c:85)
[  206.869937][ T3805]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  206.869941][ T3805]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  206.869949][ T3805]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  206.869950][ T3805]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  206.869953][ T3805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.869954][ T3805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.869956][ T3805]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  206.869977][ T3805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  206.869979][ T3805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  206.869982][ T3805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  206.869984][ T3805]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  206.869986][ T3805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.869991][ T3805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  206.869992][ T3805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  206.869994][ T3805]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  206.869996][ T3805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  206.870000][ T3805]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  206.870002][ T3805]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  206.870005][ T3805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  206.870007][ T3805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.870011][ T3805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  206.870013][ T3805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  206.870016][ T3805]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  206.870020][ T3805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  206.870023][ T3805]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  206.870029][ T3805]  ? 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))
[  206.870031][ T3805]  ? 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))
[  206.870035][ T3805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  206.870039][ T3805]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  206.870044][ T3805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  206.870048][ T3805]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  206.870052][ T3805]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  206.870056][ T3805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  206.870058][ T3805]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  206.870063][ T3805]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  206.870067][ T3805]  ____sys_sendmsg (net/socket.c:2713)
[  206.870069][ T3805]  ? copy_msghdr_from_user (net/socket.c:2650)
[  206.870072][ T3805]  ? sock_write_iter (net/socket.c:1269)
[  206.870073][ T3805]  ? move_addr_to_kernel (net/socket.c:258)
[  206.870080][ T3805]  ___sys_sendmsg (net/socket.c:2767)
[  206.870083][ T3805]  ? copy_msghdr_from_user (net/socket.c:2619)
[  206.870099][ T3805]  __sys_sendmsg (net/socket.c:2799)
[  206.870102][ T3805]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  206.870108][ T3805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.870111][ T3805]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  206.870115][ T3805]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  206.870118][ T3805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  206.870120][ T3805] RIP: 0033:0x7f098fc6354e
[  206.870123][ T3805] 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
[  206.870125][ T3805] RSP: 002b:00007ffdf0419b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  206.870128][ T3805] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f098fc6354e
[  206.870129][ T3805] RDX: 0000000000000000 RSI: 00007ffdf0419bb0 RDI: 0000000000000005
[  206.870130][ T3805] RBP: 00007ffdf0419b10 R08: 0000000000000000 R09: 0000000000000000
[  206.870131][ T3805] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9115eb
[  206.870132][ T3805] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf041a270
| [  209.840577][ T3862] softirqs last disabled at (382812): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  209.840580][ T3862] Preemption disabled at:
| [  209.840580][ T3862] vprintk_emit (kernel/printk/printk.c:2471)
| [  209.840589][ T3862] Tainted: [W]=WARN
[  209.840590][ T3862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  209.840591][ T3862] Call Trace:
[  209.840593][ T3862]  <TASK>
[  209.840594][ T3862]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  209.840600][ T3862]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  209.840601][ T3862]  __might_resched.cold (kernel/sched/core.c:9234)
[  209.840606][ T3862]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  209.840610][ T3862]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  209.840615][ T3862]  __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))
[  209.840616][ T3862]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  209.840623][ T3862]  ? 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)
[  209.840626][ T3862]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  209.840630][ T3862]  put_chars (drivers/char/virtio_console.c:1176)
[  209.840632][ T3862]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  209.840635][ T3862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  209.840638][ T3862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  209.840641][ T3862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  209.840644][ T3862]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  209.840648][ T3862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  209.840650][ T3862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.840652][ T3862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.840656][ T3862]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  209.840658][ T3862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  209.840662][ T3862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.840666][ T3862]  console_emit_next_record (kernel/printk/printk.c:3183)
[  209.840670][ T3862]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  209.840672][ T3862]  ? 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))
[  209.840675][ T3862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.840677][ T3862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.840681][ T3862]  console_flush_one_record (kernel/printk/printk.c:3268)
[  209.840685][ T3862]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  209.840687][ T3862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.840693][ T3862]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  209.840695][ T3862]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  209.840697][ T3862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.840699][ T3862]  ? 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)
[  209.840703][ T3862]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  209.840704][ T3862]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  209.840707][ T3862]  vprintk_emit (kernel/printk/printk.c:2479)
[  209.840710][ T3862]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  209.840712][ T3862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  209.840714][ T3862]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  209.840719][ T3862]  _printk (kernel/printk/printk.c:2504)
[  209.840722][ T3862]  ? snapshot_read.cold (user.c:?)
[  209.840724][ T3862]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  209.840730][ T3862]  ? idr_get_free (??:?)
[  209.840734][ T3862]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  209.840742][ T3862]  ? nla_get_range_signed (lib/nlattr.c:270)
[  209.840748][ T3862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.840750][ T3862]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  209.840754][ T3862]  __nla_validate_parse (lib/nlattr.c:635)
[  209.840759][ T3862]  __nla_parse (lib/nlattr.c:732)
[  209.840761][ T3862]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  209.840766][ T3862]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  209.840770][ T3862]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  209.840778][ T3862]  ? security_capable (security/security.c:660 (discriminator 11))
[  209.840782][ T3862]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  209.840786][ T3862]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  209.840788][ T3862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  209.840791][ T3862]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  209.840798][ T3862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.840804][ T3862]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  209.840807][ T3862]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  209.840809][ T3862]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  209.840813][ T3862]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  209.840820][ T3862]  ? 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))
[  209.840821][ T3862]  ? 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))
[  209.840825][ T3862]  genl_rcv (net/netlink/genetlink.c:1218)
[  209.840827][ T3862]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  209.840832][ T3862]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  209.840835][ T3862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.840839][ T3862]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  209.840843][ T3862]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  209.840844][ T3862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  209.840847][ T3862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  209.840852][ T3862]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  209.840855][ T3862]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  209.840858][ T3862]  __sys_sendto (net/socket.c:2281)
[  209.840862][ T3862]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  209.840872][ T3862]  ? fput_close_sync (fs/file_table.c:617)
[  209.840876][ T3862]  ? alloc_file_clone (fs/file_table.c:479)
[  209.840880][ T3862]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  209.840882][ T3862]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  209.840885][ T3862]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  209.840888][ T3862]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  209.840890][ T3862]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  209.840892][ T3862]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  209.840895][ T3862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  209.840897][ T3862] RIP: 0033:0x7fc187c3b312
[  209.840901][ T3862] 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)
[  209.840902][ T3862] RSP: 002b:00007fffe6d88548 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  209.840905][ T3862] RAX: ffffffffffffffda RBX: 00007fffe6d88678 RCX: 00007fc187c3b312
[  209.840906][ T3862] RDX: 0000000000000048 RSI: 00007fc17775efb0 RDI: 0000000000000020
[  209.840907][ T3862] RBP: 00007fffe6d88570 R08: 00007fffe6d886f0 R09: 000000000000000c
[  209.840908][ T3862] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc185a9e120
[  209.840909][ T3862] R13: 00007fffe6d88678 R14: 00007fc18755a01a R15: 00007fffe6d88a68
| [  211.072578][ T3916] softirqs last disabled at (393562): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  211.072580][ T3916] Preemption disabled at:
| [  211.072581][ T3916] vprintk_emit (kernel/printk/printk.c:2471)
| [  211.072589][ T3916] Tainted: [W]=WARN
[  211.072590][ T3916] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  211.072591][ T3916] Call Trace:
[  211.072593][ T3916]  <TASK>
[  211.072594][ T3916]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  211.072600][ T3916]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  211.072601][ T3916]  __might_resched.cold (kernel/sched/core.c:9234)
[  211.072606][ T3916]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  211.072610][ T3916]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  211.072614][ T3916]  __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))
[  211.072616][ T3916]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.072623][ T3916]  ? 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)
[  211.072626][ T3916]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.072629][ T3916]  put_chars (drivers/char/virtio_console.c:1176)
[  211.072632][ T3916]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  211.072635][ T3916]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  211.072638][ T3916]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  211.072642][ T3916]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  211.072646][ T3916]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.072648][ T3916]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.072652][ T3916]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  211.072656][ T3916]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.072658][ T3916]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.072662][ T3916]  console_emit_next_record (kernel/printk/printk.c:3183)
[  211.072666][ T3916]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  211.072668][ T3916]  ? 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))
[  211.072672][ T3916]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.072673][ T3916]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.072677][ T3916]  console_flush_one_record (kernel/printk/printk.c:3268)
[  211.072681][ T3916]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  211.072683][ T3916]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.072689][ T3916]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  211.072692][ T3916]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  211.072694][ T3916]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.072695][ T3916]  ? 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)
[  211.072699][ T3916]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  211.072701][ T3916]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  211.072703][ T3916]  vprintk_emit (kernel/printk/printk.c:2479)
[  211.072706][ T3916]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  211.072712][ T3916]  _printk (kernel/printk/printk.c:2504)
[  211.072715][ T3916]  ? snapshot_read.cold (user.c:?)
[  211.072718][ T3916]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  211.072721][ T3916]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  211.072725][ T3916]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  211.072727][ T3916]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  211.072731][ T3916]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  211.072734][ T3916]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  211.072737][ T3916]  ? netdev_notice (net/core/dev.c:13194)
[  211.072739][ T3916]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  211.072748][ T3916]  ? 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)
[  211.072750][ T3916]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  211.072754][ T3916]  netif_set_promiscuity (net/core/dev.c:9699)
[  211.072757][ T3916]  dev_set_promiscuity (net/core/dev_api.c:288)
[  211.072759][ T3916]  ? dev_disable_lro (net/core/dev_api.c:267)
[  211.072761][ T3916] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  211.072767][ T3916] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  211.072772][ T3916] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  211.072776][ T3916]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  211.072780][ T3916] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  211.072786][ T3916]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  211.072789][ T3916]  ? __nla_validate_parse (lib/nlattr.c:635)
[  211.072796][ T3916]  ? __nla_parse (lib/nlattr.c:732)
[  211.072798][ T3916]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  211.072803][ T3916]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  211.072806][ T3916]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  211.072815][ T3916]  ? security_capable (security/security.c:660 (discriminator 11))
[  211.072819][ T3916]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  211.072823][ T3916]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  211.072825][ T3916]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  211.072827][ T3916]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  211.072832][ T3916]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.072837][ T3916]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  211.072840][ T3916]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  211.072842][ T3916]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  211.072846][ T3916]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  211.072853][ T3916]  ? 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))
[  211.072855][ T3916]  ? 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))
[  211.072859][ T3916]  genl_rcv (net/netlink/genetlink.c:1218)
[  211.072861][ T3916]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  211.072865][ T3916]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  211.072869][ T3916]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.072872][ T3916]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  211.072876][ T3916]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  211.072878][ T3916]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  211.072881][ T3916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  211.072886][ T3916]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  211.072889][ T3916]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  211.072893][ T3916]  __sys_sendto (net/socket.c:2281)
[  211.072896][ T3916]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  211.072907][ T3916]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  211.072913][ T3916]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  211.072915][ T3916]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  211.072919][ T3916]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  211.072920][ T3916]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  211.072923][ T3916]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  211.072925][ T3916]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  211.072927][ T3916]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.072929][ T3916] RIP: 0033:0x7fc64e572312
[  211.072933][ T3916] 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)
[  211.072935][ T3916] RSP: 002b:00007fff5a6df808 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  211.072937][ T3916] RAX: ffffffffffffffda RBX: 00007fff5a6df938 RCX: 00007fc64e572312
[  211.072939][ T3916] RDX: 0000000000000030 RSI: 00007fc64a1ce9f0 RDI: 0000000000000023
[  211.072939][ T3916] RBP: 00007fff5a6df830 R08: 00007fff5a6df9b0 R09: 000000000000000c
[  211.072940][ T3916] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc64c3d2200
[  211.072941][ T3916] R13: 00007fff5a6df938 R14: 00007fc64de9101a R15: 00007fff5a6dfd28
| [  212.241198][ T3956] softirqs last disabled at (388391): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  212.241201][ T3956] Preemption disabled at:
| [  212.241201][ T3956] vprintk_emit (kernel/printk/printk.c:2471)
| [  212.241210][ T3956] Tainted: [W]=WARN
[  212.241210][ T3956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  212.241212][ T3956] Call Trace:
[  212.241214][ T3956]  <TASK>
[  212.241215][ T3956]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  212.241221][ T3956]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  212.241223][ T3956]  __might_resched.cold (kernel/sched/core.c:9234)
[  212.241227][ T3956]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  212.241231][ T3956]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  212.241236][ T3956]  __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))
[  212.241237][ T3956]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.241244][ T3956]  ? 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)
[  212.241247][ T3956]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.241250][ T3956]  put_chars (drivers/char/virtio_console.c:1176)
[  212.241253][ T3956]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  212.241256][ T3956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  212.241259][ T3956]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  212.241264][ T3956]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  212.241268][ T3956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.241270][ T3956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.241275][ T3956]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  212.241279][ T3956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.241281][ T3956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.241285][ T3956]  console_emit_next_record (kernel/printk/printk.c:3183)
[  212.241289][ T3956]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  212.241291][ T3956]  ? 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))
[  212.241294][ T3956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.241296][ T3956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.241300][ T3956]  console_flush_one_record (kernel/printk/printk.c:3268)
[  212.241304][ T3956]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  212.241306][ T3956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.241312][ T3956]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  212.241314][ T3956]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  212.241316][ T3956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.241322][ T3956]  ? 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)
[  212.241326][ T3956]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  212.241328][ T3956]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  212.241331][ T3956]  vprintk_emit (kernel/printk/printk.c:2479)
[  212.241334][ T3956]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  212.241339][ T3956]  _printk (kernel/printk/printk.c:2504)
[  212.241343][ T3956]  ? snapshot_read.cold (user.c:?)
[  212.241346][ T3956]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  212.241349][ T3956]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  212.241353][ T3956]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  212.241355][ T3956]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  212.241358][ T3956]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  212.241362][ T3956]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  212.241365][ T3956]  ? netdev_notice (net/core/dev.c:13194)
[  212.241367][ T3956]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  212.241375][ T3956]  ? 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)
[  212.241378][ T3956]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  212.241381][ T3956]  netif_set_promiscuity (net/core/dev.c:9699)
[  212.241385][ T3956]  dev_set_promiscuity (net/core/dev_api.c:288)
[  212.241387][ T3956]  ? dev_disable_lro (net/core/dev_api.c:267)
[  212.241389][ T3956] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  212.241395][ T3956] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  212.241400][ T3956] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  212.241404][ T3956]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  212.241409][ T3956] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  212.241414][ T3956]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  212.241418][ T3956]  ? __nla_validate_parse (lib/nlattr.c:635)
[  212.241424][ T3956]  ? __nla_parse (lib/nlattr.c:732)
[  212.241426][ T3956]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  212.241431][ T3956]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  212.241435][ T3956]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  212.241443][ T3956]  ? security_capable (security/security.c:660 (discriminator 11))
[  212.241447][ T3956]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  212.241451][ T3956]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  212.241454][ T3956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  212.241456][ T3956]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  212.241460][ T3956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.241466][ T3956]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  212.241469][ T3956]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  212.241471][ T3956]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  212.241475][ T3956]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  212.241482][ T3956]  ? 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))
[  212.241484][ T3956]  ? 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))
[  212.241488][ T3956]  genl_rcv (net/netlink/genetlink.c:1218)
[  212.241490][ T3956]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  212.241494][ T3956]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  212.241498][ T3956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.241502][ T3956]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  212.241506][ T3956]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  212.241507][ T3956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  212.241510][ T3956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  212.241515][ T3956]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  212.241518][ T3956]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  212.241522][ T3956]  __sys_sendto (net/socket.c:2281)
[  212.241525][ T3956]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  212.241536][ T3956]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  212.241543][ T3956]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  212.241545][ T3956]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  212.241549][ T3956]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  212.241550][ T3956]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  212.241553][ T3956]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  212.241555][ T3956]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  212.241557][ T3956]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  212.241560][ T3956] RIP: 0033:0x7fafab126312
[  212.241563][ T3956] 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)
[  212.241565][ T3956] RSP: 002b:00007ffc9452fa78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  212.241568][ T3956] RAX: ffffffffffffffda RBX: 00007ffc9452fba8 RCX: 00007fafab126312
[  212.241569][ T3956] RDX: 0000000000000030 RSI: 00007fafa855e1f0 RDI: 0000000000000023
[  212.241570][ T3956] RBP: 00007ffc9452faa0 R08: 00007ffc9452fc20 R09: 000000000000000c
[  212.241571][ T3956] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fafa8f862e0
[  212.241572][ T3956] R13: 00007ffc9452fba8 R14: 00007fafaaa4501a R15: 00007ffc9452ff98
| [  216.058747][ T4045] softirqs last disabled at (364496): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  216.058750][ T4045] Preemption disabled at:
| [  216.058750][ T4045] vprintk_emit (kernel/printk/printk.c:2471)
| [  216.058758][ T4045] Tainted: [W]=WARN
[  216.058759][ T4045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  216.058761][ T4045] Call Trace:
[  216.058762][ T4045]  <TASK>
[  216.058764][ T4045]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  216.058770][ T4045]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  216.058772][ T4045]  __might_resched.cold (kernel/sched/core.c:9234)
[  216.058776][ T4045]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  216.058780][ T4045]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  216.058784][ T4045]  __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))
[  216.058786][ T4045]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.058793][ T4045]  ? 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)
[  216.058795][ T4045]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.058799][ T4045]  put_chars (drivers/char/virtio_console.c:1176)
[  216.058802][ T4045]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  216.058803][ T4045]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  216.058806][ T4045]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  216.058812][ T4045]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  216.058819][ T4045]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  216.058822][ T4045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.058824][ T4045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.058828][ T4045]  console_emit_next_record (kernel/printk/printk.c:3183)
[  216.058832][ T4045]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  216.058834][ T4045]  ? 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))
[  216.058837][ T4045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.058838][ T4045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.058843][ T4045]  console_flush_one_record (kernel/printk/printk.c:3268)
[  216.058847][ T4045]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  216.058849][ T4045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.058854][ T4045]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  216.058857][ T4045]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  216.058858][ T4045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.058860][ T4045]  ? 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)
[  216.058864][ T4045]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  216.058866][ T4045]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  216.058868][ T4045]  vprintk_emit (kernel/printk/printk.c:2479)
[  216.058871][ T4045]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  216.058874][ T4045]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  216.058878][ T4045]  _printk (kernel/printk/printk.c:2504)
[  216.058882][ T4045]  ? snapshot_read.cold (user.c:?)
[  216.058883][ T4045]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  216.058889][ T4045]  ? idr_get_free (??:?)
[  216.058891][ T4045]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  216.058900][ T4045] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  216.058908][ T4045]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  216.058912][ T4045]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  216.058915][ T4045]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  216.058917][ T4045]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  216.058919][ T4045]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  216.058922][ T4045]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  216.058923][ T4045]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  216.058925][ T4045]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  216.058928][ T4045]  ? __sys_sendto (net/socket.c:2281)
[  216.058930][ T4045]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  216.058949][ T4045]  ? __nla_parse (lib/nlattr.c:732)
[  216.058953][ T4045]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  216.058958][ T4045]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  216.058961][ T4045]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  216.058970][ T4045]  ? security_capable (security/security.c:660 (discriminator 11))
[  216.058974][ T4045]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  216.058978][ T4045]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  216.058980][ T4045]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  216.058983][ T4045]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  216.058987][ T4045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.058992][ T4045]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  216.058996][ T4045]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  216.058998][ T4045]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  216.059001][ T4045]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  216.059008][ T4045]  ? 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))
[  216.059010][ T4045]  ? 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))
[  216.059014][ T4045]  genl_rcv (net/netlink/genetlink.c:1218)
[  216.059016][ T4045]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  216.059020][ T4045]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  216.059023][ T4045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.059027][ T4045]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  216.059031][ T4045]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  216.059032][ T4045]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  216.059035][ T4045]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  216.059044][ T4045]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  216.059046][ T4045]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  216.059049][ T4045]  __sys_sendto (net/socket.c:2281)
[  216.059052][ T4045]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  216.059062][ T4045]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  216.059068][ T4045]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  216.059070][ T4045]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  216.059074][ T4045]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  216.059075][ T4045]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  216.059077][ T4045]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  216.059079][ T4045]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  216.059082][ T4045]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  216.059084][ T4045] RIP: 0033:0x7ff115daa312
[  216.059087][ T4045] 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)
[  216.059089][ T4045] RSP: 002b:00007ffc10871198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  216.059092][ T4045] RAX: ffffffffffffffda RBX: 00007ffc108712c8 RCX: 00007ff115daa312
[  216.059093][ T4045] RDX: 00000000000000b0 RSI: 00007ff113a879f0 RDI: 0000000000000026
[  216.059094][ T4045] RBP: 00007ffc108711c0 R08: 00007ffc10871340 R09: 000000000000000c
[  216.059095][ T4045] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff113c0a350
[  216.059096][ T4045] R13: 00007ffc108712c8 R14: 00007ff1156c901a R15: 00007ffc108716b8
| [  226.095851][ T4248] softirqs last disabled at (19216): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  226.095853][ T4248] Preemption disabled at:
| [  226.095854][ T4248] vprintk_emit (kernel/printk/printk.c:2471)
| [  226.095862][ T4248] Tainted: [W]=WARN
[  226.095863][ T4248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  226.095865][ T4248] Call Trace:
[  226.095866][ T4248]  <TASK>
[  226.095868][ T4248]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  226.095874][ T4248]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  226.095875][ T4248]  __might_resched.cold (kernel/sched/core.c:9234)
[  226.095880][ T4248]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  226.095884][ T4248]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  226.095888][ T4248]  __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))
[  226.095890][ T4248]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.095896][ T4248]  ? 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)
[  226.095899][ T4248]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.095903][ T4248]  put_chars (drivers/char/virtio_console.c:1176)
[  226.095904][ T4248]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  226.095907][ T4248]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  226.095909][ T4248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  226.095912][ T4248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  226.095915][ T4248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  226.095919][ T4248]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  226.095923][ T4248]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  226.095925][ T4248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.095927][ T4248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.095930][ T4248]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  226.095933][ T4248]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  226.095936][ T4248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.095938][ T4248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.095942][ T4248]  console_emit_next_record (kernel/printk/printk.c:3183)
[  226.095946][ T4248]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  226.095948][ T4248]  ? 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))
[  226.095951][ T4248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.095953][ T4248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.095956][ T4248]  console_flush_one_record (kernel/printk/printk.c:3268)
[  226.095961][ T4248]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  226.095963][ T4248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.095968][ T4248]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  226.095971][ T4248]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  226.095972][ T4248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.095974][ T4248]  ? 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)
[  226.095978][ T4248]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  226.095980][ T4248]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  226.095982][ T4248]  vprintk_emit (kernel/printk/printk.c:2479)
[  226.095986][ T4248]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  226.095988][ T4248]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  226.095991][ T4248]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  226.095999][ T4248]  _printk (kernel/printk/printk.c:2504)
[  226.096003][ T4248]  ? snapshot_read.cold (user.c:?)
[  226.096007][ T4248]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  226.096011][ T4248]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  226.096014][ T4248]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  226.096017][ T4248]  ? netdev_notice (net/core/dev.c:13194)
[  226.096019][ T4248]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  226.096023][ T4248]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  226.096028][ T4248]  ? 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)
[  226.096031][ T4248]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  226.096034][ T4248]  netif_set_promiscuity (net/core/dev.c:9699)
[  226.096038][ T4248]  dev_set_promiscuity (net/core/dev_api.c:288)
[  226.096042][ T4248]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  226.096045][ T4248] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  226.096052][ T4248] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  226.096057][ T4248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.096059][ T4248]  notifier_call_chain (kernel/notifier.c:85)
[  226.096064][ T4248]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  226.096069][ T4248]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  226.096076][ T4248]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  226.096078][ T4248]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  226.096080][ T4248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.096082][ T4248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.096084][ T4248]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  226.096105][ T4248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.096107][ T4248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.096110][ T4248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.096112][ T4248]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  226.096114][ T4248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.096118][ T4248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.096120][ T4248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.096122][ T4248]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  226.096124][ T4248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.096127][ T4248]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  226.096130][ T4248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.096133][ T4248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.096134][ T4248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.096139][ T4248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.096140][ T4248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.096144][ T4248]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.096147][ T4248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.096150][ T4248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  226.096156][ T4248]  ? 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))
[  226.096158][ T4248]  ? 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))
[  226.096163][ T4248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.096167][ T4248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  226.096169][ T4248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.096173][ T4248]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.096177][ T4248]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  226.096181][ T4248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.096183][ T4248]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  226.096188][ T4248]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  226.096192][ T4248]  ____sys_sendmsg (net/socket.c:2713)
[  226.096194][ T4248]  ? copy_msghdr_from_user (net/socket.c:2650)
[  226.096196][ T4248]  ? sock_write_iter (net/socket.c:1269)
[  226.096198][ T4248]  ? move_addr_to_kernel (net/socket.c:258)
[  226.096205][ T4248]  ___sys_sendmsg (net/socket.c:2767)
[  226.096208][ T4248]  ? copy_msghdr_from_user (net/socket.c:2619)
[  226.096224][ T4248]  __sys_sendmsg (net/socket.c:2799)
[  226.096227][ T4248]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  226.096233][ T4248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.096236][ T4248]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.096240][ T4248]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  226.096242][ T4248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.096245][ T4248] RIP: 0033:0x7f4e8523c54e
[  226.096248][ T4248] 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
[  226.096250][ T4248] RSP: 002b:00007fff31e5fae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  226.096252][ T4248] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4e8523c54e
[  226.096254][ T4248] RDX: 0000000000000000 RSI: 00007fff31e5fb90 RDI: 0000000000000005
[  226.096255][ T4248] RBP: 00007fff31e5faf0 R08: 0000000000000000 R09: 0000000000000000
[  226.096256][ T4248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9115fe
[  226.096257][ T4248] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff31e60250
| [  228.948470][ T4306] softirqs last disabled at (387890): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  228.948473][ T4306] Preemption disabled at:
| [  228.948473][ T4306] vprintk_emit (kernel/printk/printk.c:2471)
| [  228.948482][ T4306] Tainted: [W]=WARN
[  228.948483][ T4306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  228.948484][ T4306] Call Trace:
[  228.948486][ T4306]  <TASK>
[  228.948487][ T4306]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  228.948493][ T4306]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  228.948495][ T4306]  __might_resched.cold (kernel/sched/core.c:9234)
[  228.948499][ T4306]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  228.948503][ T4306]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  228.948508][ T4306]  __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))
[  228.948510][ T4306]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  228.948517][ T4306]  ? 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)
[  228.948519][ T4306]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  228.948523][ T4306]  put_chars (drivers/char/virtio_console.c:1176)
[  228.948525][ T4306]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  228.948528][ T4306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  228.948531][ T4306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  228.948534][ T4306]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  228.948538][ T4306]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  228.948542][ T4306]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  228.948544][ T4306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  228.948546][ T4306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  228.948550][ T4306]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  228.948552][ T4306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  228.948556][ T4306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.948560][ T4306]  console_emit_next_record (kernel/printk/printk.c:3183)
[  228.948564][ T4306]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  228.948566][ T4306]  ? 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))
[  228.948569][ T4306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.948572][ T4306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.948576][ T4306]  console_flush_one_record (kernel/printk/printk.c:3268)
[  228.948580][ T4306]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  228.948582][ T4306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  228.948587][ T4306]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  228.948590][ T4306]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  228.948592][ T4306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.948594][ T4306]  ? 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)
[  228.948597][ T4306]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  228.948599][ T4306]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  228.948602][ T4306]  vprintk_emit (kernel/printk/printk.c:2479)
[  228.948605][ T4306]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  228.948607][ T4306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  228.948609][ T4306]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  228.948614][ T4306]  _printk (kernel/printk/printk.c:2504)
[  228.948617][ T4306]  ? snapshot_read.cold (user.c:?)
[  228.948619][ T4306]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  228.948624][ T4306]  ? idr_get_free (??:?)
[  228.948629][ T4306]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  228.948638][ T4306]  ? nla_get_range_signed (lib/nlattr.c:270)
[  228.948643][ T4306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.948645][ T4306]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  228.948650][ T4306]  __nla_validate_parse (lib/nlattr.c:635)
[  228.948655][ T4306]  __nla_parse (lib/nlattr.c:732)
[  228.948657][ T4306]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  228.948662][ T4306]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  228.948666][ T4306]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  228.948674][ T4306]  ? security_capable (security/security.c:660 (discriminator 11))
[  228.948678][ T4306]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  228.948682][ T4306]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  228.948685][ T4306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  228.948687][ T4306]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  228.948695][ T4306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  228.948700][ T4306]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  228.948704][ T4306]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  228.948706][ T4306]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  228.948709][ T4306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  228.948716][ T4306]  ? 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))
[  228.948718][ T4306]  ? 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))
[  228.948722][ T4306]  genl_rcv (net/netlink/genetlink.c:1218)
[  228.948724][ T4306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  228.948728][ T4306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  228.948732][ T4306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  228.948735][ T4306]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  228.948739][ T4306]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  228.948741][ T4306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  228.948744][ T4306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  228.948749][ T4306]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  228.948751][ T4306]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  228.948755][ T4306]  __sys_sendto (net/socket.c:2281)
[  228.948758][ T4306]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  228.948768][ T4306]  ? fput_close_sync (fs/file_table.c:617)
[  228.948772][ T4306]  ? alloc_file_clone (fs/file_table.c:479)
[  228.948776][ T4306]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  228.948778][ T4306]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  228.948781][ T4306]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  228.948784][ T4306]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  228.948786][ T4306]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  228.948788][ T4306]  ? irq_exit_rcu (kernel/softirq.c:786)
[  228.948792][ T4306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  228.948794][ T4306] RIP: 0033:0x7f66b2bae312
[  228.948798][ T4306] 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)
[  228.948800][ T4306] RSP: 002b:00007fff895cb5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  228.948803][ T4306] RAX: ffffffffffffffda RBX: 00007fff895cb708 RCX: 00007f66b2bae312
[  228.948804][ T4306] RDX: 0000000000000044 RSI: 00007f66aa75aab0 RDI: 0000000000000020
[  228.948805][ T4306] RBP: 00007fff895cb600 R08: 00007fff895cb780 R09: 000000000000000c
[  228.948806][ T4306] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f66b0a0e120
[  228.948807][ T4306] R13: 00007fff895cb708 R14: 00007f66b24cd01a R15: 00007fff895cbaf8
| [  230.335899][ T4359] softirqs last disabled at (391346): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  230.335901][ T4359] Preemption disabled at:
| [  230.335902][ T4359] vprintk_emit (kernel/printk/printk.c:2471)
| [  230.335911][ T4359] Tainted: [W]=WARN
[  230.335912][ T4359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  230.335913][ T4359] Call Trace:
[  230.335915][ T4359]  <TASK>
[  230.335916][ T4359]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  230.335923][ T4359]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  230.335924][ T4359]  __might_resched.cold (kernel/sched/core.c:9234)
[  230.335929][ T4359]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  230.335933][ T4359]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  230.335938][ T4359]  __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))
[  230.335940][ T4359]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  230.335946][ T4359]  ? 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)
[  230.335949][ T4359]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  230.335953][ T4359]  put_chars (drivers/char/virtio_console.c:1176)
[  230.335956][ T4359]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  230.335959][ T4359]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  230.335962][ T4359]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  230.335967][ T4359]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  230.335971][ T4359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.335972][ T4359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.335977][ T4359]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  230.335981][ T4359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.335983][ T4359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.335987][ T4359]  console_emit_next_record (kernel/printk/printk.c:3183)
[  230.335991][ T4359]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  230.335993][ T4359]  ? 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))
[  230.335997][ T4359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.335998][ T4359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.336002][ T4359]  console_flush_one_record (kernel/printk/printk.c:3268)
[  230.336007][ T4359]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  230.336009][ T4359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.336014][ T4359]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  230.336017][ T4359]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  230.336019][ T4359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.336021][ T4359]  ? 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)
[  230.336025][ T4359]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  230.336026][ T4359]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  230.336029][ T4359]  vprintk_emit (kernel/printk/printk.c:2479)
[  230.336033][ T4359]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  230.336042][ T4359]  _printk (kernel/printk/printk.c:2504)
[  230.336045][ T4359]  ? snapshot_read.cold (user.c:?)
[  230.336048][ T4359]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  230.336052][ T4359]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  230.336056][ T4359]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  230.336058][ T4359]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  230.336061][ T4359]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  230.336065][ T4359]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  230.336068][ T4359]  ? netdev_notice (net/core/dev.c:13194)
[  230.336070][ T4359]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  230.336079][ T4359]  ? 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)
[  230.336082][ T4359]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  230.336085][ T4359]  netif_set_promiscuity (net/core/dev.c:9699)
[  230.336089][ T4359]  dev_set_promiscuity (net/core/dev_api.c:288)
[  230.336091][ T4359]  ? dev_disable_lro (net/core/dev_api.c:267)
[  230.336094][ T4359] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  230.336099][ T4359] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  230.336104][ T4359] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  230.336108][ T4359]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  230.336112][ T4359] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  230.336118][ T4359]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  230.336122][ T4359]  ? __nla_validate_parse (lib/nlattr.c:635)
[  230.336128][ T4359]  ? __nla_parse (lib/nlattr.c:732)
[  230.336130][ T4359]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  230.336135][ T4359]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  230.336139][ T4359]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  230.336147][ T4359]  ? security_capable (security/security.c:660 (discriminator 11))
[  230.336152][ T4359]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  230.336156][ T4359]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  230.336158][ T4359]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  230.336160][ T4359]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  230.336165][ T4359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.336170][ T4359]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  230.336174][ T4359]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  230.336176][ T4359]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  230.336179][ T4359]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  230.336187][ T4359]  ? 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))
[  230.336189][ T4359]  ? 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))
[  230.336193][ T4359]  genl_rcv (net/netlink/genetlink.c:1218)
[  230.336195][ T4359]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  230.336200][ T4359]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  230.336203][ T4359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.336207][ T4359]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  230.336211][ T4359]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  230.336213][ T4359]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  230.336216][ T4359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  230.336221][ T4359]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  230.336224][ T4359]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  230.336228][ T4359]  __sys_sendto (net/socket.c:2281)
[  230.336231][ T4359]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  230.336242][ T4359]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  230.336249][ T4359]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  230.336251][ T4359]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  230.336255][ T4359]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  230.336257][ T4359]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  230.336259][ T4359]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  230.336261][ T4359]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  230.336264][ T4359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  230.336266][ T4359] RIP: 0033:0x7f13425e5312
[  230.336270][ T4359] 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)
[  230.336272][ T4359] RSP: 002b:00007ffff1599158 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  230.336274][ T4359] RAX: ffffffffffffffda RBX: 00007ffff1599288 RCX: 00007f13425e5312
[  230.336276][ T4359] RDX: 0000000000000030 RSI: 00007f133e1f9cb0 RDI: 0000000000000023
[  230.336277][ T4359] RBP: 00007ffff1599180 R08: 00007ffff1599300 R09: 000000000000000c
[  230.336278][ T4359] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f134043e200
[  230.336279][ T4359] R13: 00007ffff1599288 R14: 00007f1341f0401a R15: 00007ffff1599678
| [  231.536588][ T4399] softirqs last disabled at (387844): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  231.536590][ T4399] Preemption disabled at:
| [  231.536590][ T4399] vprintk_emit (kernel/printk/printk.c:2471)
| [  231.536599][ T4399] Tainted: [W]=WARN
[  231.536600][ T4399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  231.536602][ T4399] Call Trace:
[  231.536603][ T4399]  <TASK>
[  231.536605][ T4399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  231.536611][ T4399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  231.536612][ T4399]  __might_resched.cold (kernel/sched/core.c:9234)
[  231.536617][ T4399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  231.536621][ T4399]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  231.536625][ T4399]  __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))
[  231.536627][ T4399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.536634][ T4399]  ? 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)
[  231.536637][ T4399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.536640][ T4399]  put_chars (drivers/char/virtio_console.c:1176)
[  231.536643][ T4399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  231.536646][ T4399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  231.536649][ T4399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  231.536654][ T4399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  231.536658][ T4399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.536659][ T4399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.536664][ T4399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  231.536668][ T4399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.536670][ T4399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.536674][ T4399]  console_emit_next_record (kernel/printk/printk.c:3183)
[  231.536678][ T4399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  231.536680][ T4399]  ? 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))
[  231.536683][ T4399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.536685][ T4399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.536689][ T4399]  console_flush_one_record (kernel/printk/printk.c:3268)
[  231.536693][ T4399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  231.536695][ T4399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.536701][ T4399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  231.536704][ T4399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  231.536705][ T4399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.536707][ T4399]  ? 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)
[  231.536711][ T4399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  231.536713][ T4399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  231.536716][ T4399]  vprintk_emit (kernel/printk/printk.c:2479)
[  231.536719][ T4399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  231.536724][ T4399]  _printk (kernel/printk/printk.c:2504)
[  231.536728][ T4399]  ? snapshot_read.cold (user.c:?)
[  231.536731][ T4399]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  231.536734][ T4399]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  231.536738][ T4399]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  231.536740][ T4399]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  231.536743][ T4399]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  231.536747][ T4399]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  231.536750][ T4399]  ? netdev_notice (net/core/dev.c:13194)
[  231.536752][ T4399]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  231.536761][ T4399]  ? 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)
[  231.536763][ T4399]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  231.536767][ T4399]  netif_set_promiscuity (net/core/dev.c:9699)
[  231.536771][ T4399]  dev_set_promiscuity (net/core/dev_api.c:288)
[  231.536772][ T4399]  ? dev_disable_lro (net/core/dev_api.c:267)
[  231.536775][ T4399] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  231.536780][ T4399] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  231.536785][ T4399] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  231.536789][ T4399]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  231.536794][ T4399] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  231.536799][ T4399]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  231.536803][ T4399]  ? __nla_validate_parse (lib/nlattr.c:635)
[  231.536809][ T4399]  ? __nla_parse (lib/nlattr.c:732)
[  231.536812][ T4399]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  231.536817][ T4399]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  231.536820][ T4399]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  231.536829][ T4399]  ? security_capable (security/security.c:660 (discriminator 11))
[  231.536833][ T4399]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  231.536837][ T4399]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  231.536839][ T4399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  231.536842][ T4399]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  231.536846][ T4399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.536851][ T4399]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  231.536855][ T4399]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  231.536857][ T4399]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  231.536860][ T4399]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  231.536867][ T4399]  ? 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))
[  231.536869][ T4399]  ? 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))
[  231.536873][ T4399]  genl_rcv (net/netlink/genetlink.c:1218)
[  231.536876][ T4399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  231.536880][ T4399]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  231.536884][ T4399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.536887][ T4399]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  231.536891][ T4399]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  231.536893][ T4399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  231.536896][ T4399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  231.536901][ T4399]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  231.536904][ T4399]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  231.536908][ T4399]  __sys_sendto (net/socket.c:2281)
[  231.536911][ T4399]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  231.536922][ T4399]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  231.536928][ T4399]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  231.536931][ T4399]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  231.536934][ T4399]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  231.536936][ T4399]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  231.536939][ T4399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  231.536941][ T4399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  231.536943][ T4399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  231.536945][ T4399] RIP: 0033:0x7f346a8ce312
[  231.536949][ T4399] 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)
[  231.536951][ T4399] RSP: 002b:00007ffce514da38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  231.536953][ T4399] RAX: ffffffffffffffda RBX: 00007ffce514db68 RCX: 00007f346a8ce312
[  231.536955][ T4399] RDX: 0000000000000030 RSI: 00007f346651a170 RDI: 0000000000000023
[  231.536956][ T4399] RBP: 00007ffce514da60 R08: 00007ffce514dbe0 R09: 000000000000000c
[  231.536957][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f346872e2e0
[  231.536958][ T4399] R13: 00007ffce514db68 R14: 00007f346a1ed01a R15: 00007ffce514df58
| [  239.171984][ T4550] softirqs last disabled at (20478): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  239.171987][ T4550] Preemption disabled at:
| [  239.171988][ T4550] vprintk_emit (kernel/printk/printk.c:2471)
| [  239.171996][ T4550] Tainted: [W]=WARN
[  239.171997][ T4550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  239.171999][ T4550] Call Trace:
[  239.172001][ T4550]  <TASK>
[  239.172002][ T4550]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  239.172008][ T4550]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  239.172010][ T4550]  __might_resched.cold (kernel/sched/core.c:9234)
[  239.172014][ T4550]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  239.172018][ T4550]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  239.172023][ T4550]  __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))
[  239.172025][ T4550]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  239.172031][ T4550]  ? 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)
[  239.172034][ T4550]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  239.172038][ T4550]  put_chars (drivers/char/virtio_console.c:1176)
[  239.172043][ T4550]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  239.172046][ T4550]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  239.172049][ T4550]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  239.172052][ T4550]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  239.172055][ T4550]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  239.172059][ T4550]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  239.172063][ T4550]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  239.172065][ T4550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.172067][ T4550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.172071][ T4550]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  239.172074][ T4550]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  239.172077][ T4550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.172079][ T4550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.172083][ T4550]  console_emit_next_record (kernel/printk/printk.c:3183)
[  239.172087][ T4550]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  239.172089][ T4550]  ? 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))
[  239.172093][ T4550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.172094][ T4550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.172098][ T4550]  console_flush_one_record (kernel/printk/printk.c:3268)
[  239.172103][ T4550]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  239.172105][ T4550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.172110][ T4550]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  239.172113][ T4550]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  239.172115][ T4550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.172117][ T4550]  ? 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)
[  239.172120][ T4550]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  239.172122][ T4550]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  239.172125][ T4550]  vprintk_emit (kernel/printk/printk.c:2479)
[  239.172129][ T4550]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  239.172131][ T4550]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  239.172134][ T4550]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  239.172143][ T4550]  _printk (kernel/printk/printk.c:2504)
[  239.172146][ T4550]  ? snapshot_read.cold (user.c:?)
[  239.172151][ T4550]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  239.172155][ T4550]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  239.172158][ T4550]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  239.172161][ T4550]  ? netdev_notice (net/core/dev.c:13194)
[  239.172163][ T4550]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  239.172168][ T4550]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  239.172173][ T4550]  ? 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)
[  239.172175][ T4550]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  239.172179][ T4550]  netif_set_promiscuity (net/core/dev.c:9699)
[  239.172183][ T4550]  dev_set_promiscuity (net/core/dev_api.c:288)
[  239.172185][ T4550]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  239.172189][ T4550] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  239.172195][ T4550] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  239.172199][ T4550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.172202][ T4550]  notifier_call_chain (kernel/notifier.c:85)
[  239.172207][ T4550]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  239.172212][ T4550]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  239.172220][ T4550]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  239.172222][ T4550]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  239.172224][ T4550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.172225][ T4550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.172228][ T4550]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  239.172250][ T4550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  239.172252][ T4550]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  239.172255][ T4550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  239.172257][ T4550]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  239.172259][ T4550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.172264][ T4550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  239.172266][ T4550]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  239.172268][ T4550]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  239.172269][ T4550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  239.172273][ T4550]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  239.172276][ T4550]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  239.172279][ T4550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  239.172280][ T4550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  239.172285][ T4550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  239.172287][ T4550]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  239.172290][ T4550]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  239.172294][ T4550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  239.172297][ T4550]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  239.172303][ T4550]  ? 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))
[  239.172305][ T4550]  ? 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))
[  239.172310][ T4550]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  239.172314][ T4550]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  239.172317][ T4550]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  239.172321][ T4550]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  239.172325][ T4550]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  239.172329][ T4550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  239.172331][ T4550]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  239.172337][ T4550]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  239.172341][ T4550]  ____sys_sendmsg (net/socket.c:2713)
[  239.172343][ T4550]  ? copy_msghdr_from_user (net/socket.c:2650)
[  239.172345][ T4550]  ? sock_write_iter (net/socket.c:1269)
[  239.172347][ T4550]  ? move_addr_to_kernel (net/socket.c:258)
[  239.172355][ T4550]  ___sys_sendmsg (net/socket.c:2767)
[  239.172357][ T4550]  ? copy_msghdr_from_user (net/socket.c:2619)
[  239.172374][ T4550]  __sys_sendmsg (net/socket.c:2799)
[  239.172377][ T4550]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  239.172383][ T4550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.172387][ T4550]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  239.172390][ T4550]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  239.172393][ T4550]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  239.172395][ T4550] RIP: 0033:0x7f99af46a54e
[  239.172399][ T4550] 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
[  239.172401][ T4550] RSP: 002b:00007ffd07a6bd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  239.172404][ T4550] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f99af46a54e
[  239.172405][ T4550] RDX: 0000000000000000 RSI: 00007ffd07a6bde0 RDI: 0000000000000005
[  239.172406][ T4550] RBP: 00007ffd07a6bd40 R08: 0000000000000000 R09: 0000000000000000
[  239.172407][ T4550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91160b
[  239.172408][ T4550] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd07a6c4a0
| [  242.080214][ T4610] softirqs last disabled at (378858): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  242.080217][ T4610] Preemption disabled at:
| [  242.080218][ T4610] vprintk_emit (kernel/printk/printk.c:2471)
| [  242.080226][ T4610] Tainted: [W]=WARN
[  242.080227][ T4610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  242.080229][ T4610] Call Trace:
[  242.080231][ T4610]  <TASK>
[  242.080233][ T4610]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  242.080239][ T4610]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  242.080240][ T4610]  __might_resched.cold (kernel/sched/core.c:9234)
[  242.080245][ T4610]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  242.080249][ T4610]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  242.080253][ T4610]  __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))
[  242.080255][ T4610]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  242.080261][ T4610]  ? 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)
[  242.080264][ T4610]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  242.080268][ T4610]  put_chars (drivers/char/virtio_console.c:1176)
[  242.080271][ T4610]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  242.080273][ T4610]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  242.080276][ T4610]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  242.080279][ T4610]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  242.080283][ T4610]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  242.080287][ T4610]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  242.080289][ T4610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.080291][ T4610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.080295][ T4610]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  242.080297][ T4610]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  242.080302][ T4610]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.080306][ T4610]  console_emit_next_record (kernel/printk/printk.c:3183)
[  242.080310][ T4610]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  242.080312][ T4610]  ? 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))
[  242.080315][ T4610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.080317][ T4610]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.080321][ T4610]  console_flush_one_record (kernel/printk/printk.c:3268)
[  242.080325][ T4610]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  242.080327][ T4610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.080332][ T4610]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  242.080335][ T4610]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  242.080337][ T4610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.080339][ T4610]  ? 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)
[  242.080343][ T4610]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  242.080344][ T4610]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  242.080347][ T4610]  vprintk_emit (kernel/printk/printk.c:2479)
[  242.080350][ T4610]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  242.080353][ T4610]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  242.080354][ T4610]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  242.080359][ T4610]  _printk (kernel/printk/printk.c:2504)
[  242.080362][ T4610]  ? snapshot_read.cold (user.c:?)
[  242.080364][ T4610]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  242.080370][ T4610]  ? idr_get_free (??:?)
[  242.080375][ T4610]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  242.080384][ T4610]  ? nla_get_range_signed (lib/nlattr.c:270)
[  242.080390][ T4610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.080392][ T4610]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  242.080396][ T4610]  __nla_validate_parse (lib/nlattr.c:635)
[  242.080401][ T4610]  __nla_parse (lib/nlattr.c:732)
[  242.080404][ T4610]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  242.080409][ T4610]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  242.080412][ T4610]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  242.080420][ T4610]  ? security_capable (security/security.c:660 (discriminator 11))
[  242.080425][ T4610]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  242.080428][ T4610]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  242.080431][ T4610]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  242.080433][ T4610]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  242.080448][ T4610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.080454][ T4610]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  242.080457][ T4610]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  242.080459][ T4610]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  242.080463][ T4610]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  242.080469][ T4610]  ? 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))
[  242.080471][ T4610]  ? 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))
[  242.080475][ T4610]  genl_rcv (net/netlink/genetlink.c:1218)
[  242.080478][ T4610]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  242.080481][ T4610]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  242.080485][ T4610]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.080489][ T4610]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  242.080493][ T4610]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  242.080494][ T4610]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  242.080497][ T4610]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  242.080502][ T4610]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  242.080505][ T4610]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  242.080509][ T4610]  __sys_sendto (net/socket.c:2281)
[  242.080512][ T4610]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  242.080518][ T4610]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  242.080526][ T4610]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  242.080529][ T4610]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  242.080532][ T4610]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  242.080535][ T4610]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  242.080538][ T4610]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  242.080541][ T4610]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  242.080542][ T4610]  ? irq_exit_rcu (kernel/softirq.c:786)
[  242.080547][ T4610]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  242.080549][ T4610] RIP: 0033:0x7f786f9de312
[  242.080552][ T4610] 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)
[  242.080554][ T4610] RSP: 002b:00007ffd13436c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  242.080557][ T4610] RAX: ffffffffffffffda RBX: 00007ffd13436d48 RCX: 00007f786f9de312
[  242.080559][ T4610] RDX: 0000000000000044 RSI: 00007f786d7378c0 RDI: 0000000000000020
[  242.080560][ T4610] RBP: 00007ffd13436c40 R08: 00007ffd13436dc0 R09: 000000000000000c
[  242.080561][ T4610] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f786d83e0b0
[  242.080562][ T4610] R13: 00007ffd13436d48 R14: 00007f786f2fd01a R15: 00007ffd13437138
| [  243.366395][ T4663] softirqs last disabled at (406598): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  243.366397][ T4663] Preemption disabled at:
| [  243.366398][ T4663] vprintk_emit (kernel/printk/printk.c:2471)
| [  243.366406][ T4663] Tainted: [W]=WARN
[  243.366407][ T4663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  243.366409][ T4663] Call Trace:
[  243.366410][ T4663]  <TASK>
[  243.366412][ T4663]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  243.366419][ T4663]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  243.366420][ T4663]  __might_resched.cold (kernel/sched/core.c:9234)
[  243.366424][ T4663]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  243.366429][ T4663]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  243.366433][ T4663]  __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))
[  243.366435][ T4663]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  243.366446][ T4663]  ? 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)
[  243.366449][ T4663]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  243.366453][ T4663]  put_chars (drivers/char/virtio_console.c:1176)
[  243.366455][ T4663]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  243.366458][ T4663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  243.366462][ T4663]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  243.366466][ T4663]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  243.366470][ T4663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  243.366472][ T4663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  243.366477][ T4663]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  243.366481][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.366483][ T4663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.366487][ T4663]  console_emit_next_record (kernel/printk/printk.c:3183)
[  243.366491][ T4663]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  243.366493][ T4663]  ? 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))
[  243.366496][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.366498][ T4663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.366502][ T4663]  console_flush_one_record (kernel/printk/printk.c:3268)
[  243.366506][ T4663]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  243.366509][ T4663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  243.366514][ T4663]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  243.366517][ T4663]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  243.366519][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.366521][ T4663]  ? 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)
[  243.366525][ T4663]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  243.366527][ T4663]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  243.366530][ T4663]  vprintk_emit (kernel/printk/printk.c:2479)
[  243.366533][ T4663]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  243.366538][ T4663]  _printk (kernel/printk/printk.c:2504)
[  243.366542][ T4663]  ? snapshot_read.cold (user.c:?)
[  243.366544][ T4663]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  243.366547][ T4663]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  243.366552][ T4663]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  243.366553][ T4663]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  243.366557][ T4663]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  243.366561][ T4663]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  243.366564][ T4663]  ? netdev_notice (net/core/dev.c:13194)
[  243.366566][ T4663]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  243.366575][ T4663]  ? 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)
[  243.366577][ T4663]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  243.366581][ T4663]  netif_set_promiscuity (net/core/dev.c:9699)
[  243.366585][ T4663]  dev_set_promiscuity (net/core/dev_api.c:288)
[  243.366587][ T4663]  ? dev_disable_lro (net/core/dev_api.c:267)
[  243.366589][ T4663] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  243.366594][ T4663] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  243.366599][ T4663] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  243.366603][ T4663]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  243.366608][ T4663] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  243.366613][ T4663]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  243.366617][ T4663]  ? __nla_validate_parse (lib/nlattr.c:635)
[  243.366623][ T4663]  ? __nla_parse (lib/nlattr.c:732)
[  243.366626][ T4663]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  243.366631][ T4663]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  243.366634][ T4663]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  243.366642][ T4663]  ? security_capable (security/security.c:660 (discriminator 11))
[  243.366647][ T4663]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  243.366651][ T4663]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  243.366653][ T4663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  243.366655][ T4663]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  243.366659][ T4663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  243.366665][ T4663]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  243.366669][ T4663]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  243.366671][ T4663]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  243.366674][ T4663]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  243.366681][ T4663]  ? 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))
[  243.366683][ T4663]  ? 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))
[  243.366687][ T4663]  genl_rcv (net/netlink/genetlink.c:1218)
[  243.366690][ T4663]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  243.366694][ T4663]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  243.366698][ T4663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  243.366701][ T4663]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  243.366705][ T4663]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  243.366707][ T4663]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  243.366710][ T4663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  243.366715][ T4663]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  243.366718][ T4663]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  243.366722][ T4663]  __sys_sendto (net/socket.c:2281)
[  243.366726][ T4663]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  243.366736][ T4663]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  243.366743][ T4663]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  243.366745][ T4663]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  243.366749][ T4663]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  243.366750][ T4663]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  243.366753][ T4663]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  243.366755][ T4663]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  243.366758][ T4663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  243.366760][ T4663] RIP: 0033:0x7f750247d312
[  243.366764][ T4663] 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)
[  243.366766][ T4663] RSP: 002b:00007ffd71df8768 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  243.366768][ T4663] RAX: ffffffffffffffda RBX: 00007ffd71df8898 RCX: 00007f750247d312
[  243.366770][ T4663] RDX: 0000000000000030 RSI: 00007f74fe049cb0 RDI: 0000000000000023
[  243.366771][ T4663] RBP: 00007ffd71df8790 R08: 00007ffd71df8910 R09: 000000000000000c
[  243.366772][ T4663] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f75002d6190
[  243.366773][ T4663] R13: 00007ffd71df8898 R14: 00007f7501d9c01a R15: 00007ffd71df8c88
| [  244.560483][ T4703] softirqs last disabled at (374268): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  244.560485][ T4703] Preemption disabled at:
| [  244.560486][ T4703] vprintk_emit (kernel/printk/printk.c:2471)
| [  244.560494][ T4703] Tainted: [W]=WARN
[  244.560495][ T4703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  244.560497][ T4703] Call Trace:
[  244.560498][ T4703]  <TASK>
[  244.560500][ T4703]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  244.560506][ T4703]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  244.560508][ T4703]  __might_resched.cold (kernel/sched/core.c:9234)
[  244.560512][ T4703]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  244.560517][ T4703]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  244.560521][ T4703]  __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))
[  244.560523][ T4703]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.560530][ T4703]  ? 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)
[  244.560533][ T4703]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.560537][ T4703]  put_chars (drivers/char/virtio_console.c:1176)
[  244.560539][ T4703]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  244.560542][ T4703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  244.560545][ T4703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  244.560550][ T4703]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  244.560554][ T4703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.560556][ T4703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.560560][ T4703]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  244.560564][ T4703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.560566][ T4703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.560570][ T4703]  console_emit_next_record (kernel/printk/printk.c:3183)
[  244.560574][ T4703]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  244.560576][ T4703]  ? 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))
[  244.560580][ T4703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.560582][ T4703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.560586][ T4703]  console_flush_one_record (kernel/printk/printk.c:3268)
[  244.560590][ T4703]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  244.560592][ T4703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.560597][ T4703]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  244.560600][ T4703]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  244.560602][ T4703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.560604][ T4703]  ? 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)
[  244.560608][ T4703]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  244.560610][ T4703]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  244.560612][ T4703]  vprintk_emit (kernel/printk/printk.c:2479)
[  244.560616][ T4703]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  244.560621][ T4703]  _printk (kernel/printk/printk.c:2504)
[  244.560625][ T4703]  ? snapshot_read.cold (user.c:?)
[  244.560627][ T4703]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  244.560631][ T4703]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  244.560635][ T4703]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  244.560637][ T4703]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  244.560640][ T4703]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  244.560644][ T4703]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  244.560647][ T4703]  ? netdev_notice (net/core/dev.c:13194)
[  244.560649][ T4703]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  244.560658][ T4703]  ? 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)
[  244.560660][ T4703]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  244.560664][ T4703]  netif_set_promiscuity (net/core/dev.c:9699)
[  244.560668][ T4703]  dev_set_promiscuity (net/core/dev_api.c:288)
[  244.560670][ T4703]  ? dev_disable_lro (net/core/dev_api.c:267)
[  244.560672][ T4703] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  244.560678][ T4703] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  244.560683][ T4703] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  244.560687][ T4703]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  244.560691][ T4703] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  244.560697][ T4703]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  244.560701][ T4703]  ? __nla_validate_parse (lib/nlattr.c:635)
[  244.560707][ T4703]  ? __nla_parse (lib/nlattr.c:732)
[  244.560709][ T4703]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  244.560714][ T4703]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  244.560718][ T4703]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  244.560726][ T4703]  ? security_capable (security/security.c:660 (discriminator 11))
[  244.560731][ T4703]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  244.560735][ T4703]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  244.560737][ T4703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  244.560740][ T4703]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  244.560744][ T4703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.560749][ T4703]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  244.560753][ T4703]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  244.560755][ T4703]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  244.560759][ T4703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  244.560766][ T4703]  ? 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))
[  244.560768][ T4703]  ? 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))
[  244.560772][ T4703]  genl_rcv (net/netlink/genetlink.c:1218)
[  244.560774][ T4703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  244.560778][ T4703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  244.560782][ T4703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.560786][ T4703]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  244.560790][ T4703]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  244.560792][ T4703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.560795][ T4703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.560800][ T4703]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  244.560803][ T4703]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  244.560807][ T4703]  __sys_sendto (net/socket.c:2281)
[  244.560810][ T4703]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  244.560821][ T4703]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  244.560828][ T4703]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  244.560830][ T4703]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  244.560834][ T4703]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  244.560835][ T4703]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  244.560838][ T4703]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  244.560840][ T4703]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  244.560843][ T4703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  244.560845][ T4703] RIP: 0033:0x7f611399f312
[  244.560849][ T4703] 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)
[  244.560851][ T4703] RSP: 002b:00007ffc6c43b5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  244.560854][ T4703] RAX: ffffffffffffffda RBX: 00007ffc6c43b718 RCX: 00007f611399f312
[  244.560855][ T4703] RDX: 0000000000000030 RSI: 00007f61105c0030 RDI: 0000000000000023
[  244.560856][ T4703] RBP: 00007ffc6c43b610 R08: 00007ffc6c43b790 R09: 000000000000000c
[  244.560857][ T4703] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6111802270
[  244.560858][ T4703] R13: 00007ffc6c43b718 R14: 00007f61132be01a R15: 00007ffc6c43bb08
| [  254.813969][ T4892] softirqs last disabled at (17730): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  254.813972][ T4892] Preemption disabled at:
| [  254.813973][ T4892] vprintk_emit (kernel/printk/printk.c:2471)
| [  254.813981][ T4892] Tainted: [W]=WARN
[  254.813982][ T4892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  254.813984][ T4892] Call Trace:
[  254.813985][ T4892]  <TASK>
[  254.813987][ T4892]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  254.813993][ T4892]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  254.813994][ T4892]  __might_resched.cold (kernel/sched/core.c:9234)
[  254.813999][ T4892]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  254.814003][ T4892]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  254.814007][ T4892]  __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))
[  254.814009][ T4892]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  254.814015][ T4892]  ? 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)
[  254.814018][ T4892]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  254.814021][ T4892]  put_chars (drivers/char/virtio_console.c:1176)
[  254.814023][ T4892]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  254.814026][ T4892]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  254.814028][ T4892]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  254.814031][ T4892]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  254.814034][ T4892]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  254.814038][ T4892]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  254.814044][ T4892]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  254.814046][ T4892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.814048][ T4892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.814052][ T4892]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  254.814055][ T4892]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  254.814058][ T4892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.814060][ T4892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.814064][ T4892]  console_emit_next_record (kernel/printk/printk.c:3183)
[  254.814068][ T4892]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  254.814070][ T4892]  ? 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))
[  254.814073][ T4892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.814075][ T4892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.814079][ T4892]  console_flush_one_record (kernel/printk/printk.c:3268)
[  254.814083][ T4892]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  254.814085][ T4892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.814090][ T4892]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  254.814093][ T4892]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  254.814095][ T4892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.814096][ T4892]  ? 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)
[  254.814100][ T4892]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  254.814102][ T4892]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  254.814105][ T4892]  vprintk_emit (kernel/printk/printk.c:2479)
[  254.814108][ T4892]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  254.814111][ T4892]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  254.814114][ T4892]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  254.814122][ T4892]  _printk (kernel/printk/printk.c:2504)
[  254.814126][ T4892]  ? snapshot_read.cold (user.c:?)
[  254.814130][ T4892]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  254.814134][ T4892]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  254.814138][ T4892]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  254.814141][ T4892]  ? netdev_notice (net/core/dev.c:13194)
[  254.814143][ T4892]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  254.814147][ T4892]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  254.814152][ T4892]  ? 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)
[  254.814155][ T4892]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  254.814158][ T4892]  netif_set_promiscuity (net/core/dev.c:9699)
[  254.814162][ T4892]  dev_set_promiscuity (net/core/dev_api.c:288)
[  254.814164][ T4892]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  254.814167][ T4892] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  254.814174][ T4892] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  254.814178][ T4892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.814180][ T4892]  notifier_call_chain (kernel/notifier.c:85)
[  254.814186][ T4892]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  254.814191][ T4892]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  254.814198][ T4892]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  254.814199][ T4892]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  254.814201][ T4892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.814203][ T4892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.814205][ T4892]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  254.814226][ T4892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  254.814228][ T4892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  254.814231][ T4892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  254.814233][ T4892]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  254.814235][ T4892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.814239][ T4892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  254.814241][ T4892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  254.814243][ T4892]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  254.814245][ T4892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  254.814249][ T4892]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  254.814251][ T4892]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  254.814254][ T4892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  254.814255][ T4892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.814260][ T4892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  254.814262][ T4892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  254.814265][ T4892]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  254.814268][ T4892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  254.814271][ T4892]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  254.814277][ T4892]  ? 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))
[  254.814279][ T4892]  ? 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))
[  254.814284][ T4892]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  254.814288][ T4892]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  254.814290][ T4892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  254.814294][ T4892]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  254.814298][ T4892]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  254.814302][ T4892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  254.814304][ T4892]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  254.814309][ T4892]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  254.814313][ T4892]  ____sys_sendmsg (net/socket.c:2713)
[  254.814315][ T4892]  ? copy_msghdr_from_user (net/socket.c:2650)
[  254.814318][ T4892]  ? sock_write_iter (net/socket.c:1269)
[  254.814319][ T4892]  ? move_addr_to_kernel (net/socket.c:258)
[  254.814326][ T4892]  ___sys_sendmsg (net/socket.c:2767)
[  254.814329][ T4892]  ? copy_msghdr_from_user (net/socket.c:2619)
[  254.814345][ T4892]  __sys_sendmsg (net/socket.c:2799)
[  254.814348][ T4892]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  254.814354][ T4892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.814357][ T4892]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  254.814361][ T4892]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  254.814364][ T4892]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  254.814365][ T4892] RIP: 0033:0x7f18df52254e
[  254.814369][ T4892] 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
[  254.814371][ T4892] RSP: 002b:00007ffdfdddae80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  254.814374][ T4892] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f18df52254e
[  254.814375][ T4892] RDX: 0000000000000000 RSI: 00007ffdfdddaf30 RDI: 0000000000000005
[  254.814376][ T4892] RBP: 00007ffdfdddae90 R08: 0000000000000000 R09: 0000000000000000
[  254.814377][ T4892] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91161b
[  254.814378][ T4892] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfdddb5f0
| [  257.727544][ T4950] softirqs last disabled at (392864): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  257.727546][ T4950] Preemption disabled at:
| [  257.727546][ T4950] vprintk_emit (kernel/printk/printk.c:2471)
| [  257.727555][ T4950] Tainted: [W]=WARN
[  257.727556][ T4950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  257.727557][ T4950] Call Trace:
[  257.727559][ T4950]  <TASK>
[  257.727560][ T4950]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  257.727566][ T4950]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  257.727568][ T4950]  __might_resched.cold (kernel/sched/core.c:9234)
[  257.727572][ T4950]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  257.727576][ T4950]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  257.727580][ T4950]  __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))
[  257.727582][ T4950]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  257.727589][ T4950]  ? 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)
[  257.727592][ T4950]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  257.727596][ T4950]  put_chars (drivers/char/virtio_console.c:1176)
[  257.727598][ T4950]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  257.727604][ T4950]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  257.727612][ T4950]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  257.727615][ T4950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.727620][ T4950]  console_emit_next_record (kernel/printk/printk.c:3183)
[  257.727624][ T4950]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  257.727626][ T4950]  ? 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))
[  257.727629][ T4950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.727632][ T4950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.727636][ T4950]  console_flush_one_record (kernel/printk/printk.c:3268)
[  257.727640][ T4950]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  257.727642][ T4950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  257.727648][ T4950]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  257.727651][ T4950]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  257.727653][ T4950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.727654][ T4950]  ? 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)
[  257.727658][ T4950]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  257.727660][ T4950]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  257.727663][ T4950]  vprintk_emit (kernel/printk/printk.c:2479)
[  257.727666][ T4950]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  257.727667][ T4950]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  257.727669][ T4950]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  257.727673][ T4950]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  257.727675][ T4950]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  257.727679][ T4950]  _printk (kernel/printk/printk.c:2504)
[  257.727682][ T4950]  ? snapshot_read.cold (user.c:?)
[  257.727687][ T4950]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  257.727691][ T4950]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  257.727694][ T4950]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  257.727697][ T4950]  ? netdev_notice (net/core/dev.c:13194)
[  257.727700][ T4950]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  257.727703][ T4950]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  257.727708][ T4950]  ? register_netdevice (net/core/dev.c:11556)
[  257.727711][ T4950]  ? 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)
[  257.727713][ T4950]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  257.727715][ T4950]  ? unregister_netdev (net/core/dev.c:12699)
[  257.727717][ T4950]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  257.727720][ T4950]  netif_set_promiscuity (net/core/dev.c:9699)
[  257.727724][ T4950]  dev_set_promiscuity (net/core/dev_api.c:288)
[  257.727727][ T4950] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  257.727732][ T4950] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  257.727737][ T4950] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  257.727743][ T4950] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  257.727750][ T4950]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  257.727753][ T4950]  ? __nla_validate_parse (lib/nlattr.c:635)
[  257.727759][ T4950]  ? __nla_parse (lib/nlattr.c:732)
[  257.727762][ T4950]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  257.727767][ T4950]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  257.727771][ T4950]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  257.727779][ T4950]  ? security_capable (security/security.c:660 (discriminator 11))
[  257.727783][ T4950]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  257.727787][ T4950]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  257.727790][ T4950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  257.727792][ T4950]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  257.727796][ T4950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  257.727802][ T4950]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  257.727806][ T4950]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  257.727808][ T4950]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  257.727811][ T4950]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  257.727818][ T4950]  ? 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))
[  257.727820][ T4950]  ? 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))
[  257.727824][ T4950]  genl_rcv (net/netlink/genetlink.c:1218)
[  257.727826][ T4950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  257.727831][ T4950]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  257.727834][ T4950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  257.727838][ T4950]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  257.727842][ T4950]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  257.727844][ T4950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  257.727847][ T4950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  257.727852][ T4950]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  257.727854][ T4950]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  257.727858][ T4950]  __sys_sendto (net/socket.c:2281)
[  257.727861][ T4950]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  257.727872][ T4950]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  257.727877][ T4950]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  257.727880][ T4950]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  257.727884][ T4950]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  257.727885][ T4950]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  257.727888][ T4950]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  257.727890][ T4950]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  257.727892][ T4950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  257.727894][ T4950] RIP: 0033:0x7f0efb7ac312
[  257.727898][ T4950] 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)
[  257.727900][ T4950] RSP: 002b:00007ffeec04cbf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  257.727902][ T4950] RAX: ffffffffffffffda RBX: 00007ffeec04cd28 RCX: 00007f0efb7ac312
[  257.727904][ T4950] RDX: 0000000000000034 RSI: 00007f0ef83b9170 RDI: 0000000000000020
[  257.727905][ T4950] RBP: 00007ffeec04cc20 R08: 00007ffeec04cda0 R09: 000000000000000c
[  257.727906][ T4950] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0ef9616120
[  257.727906][ T4950] R13: 00007ffeec04cd28 R14: 00007f0efb0cb01a R15: 00007ffeec04d118
| [  259.217106][ T4998] softirqs last disabled at (410636): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  259.217108][ T4998] Preemption disabled at:
| [  259.217109][ T4998] vprintk_emit (kernel/printk/printk.c:2471)
| [  259.217117][ T4998] Tainted: [W]=WARN
[  259.217118][ T4998] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  259.217120][ T4998] Call Trace:
[  259.217122][ T4998]  <TASK>
[  259.217123][ T4998]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  259.217129][ T4998]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  259.217131][ T4998]  __might_resched.cold (kernel/sched/core.c:9234)
[  259.217135][ T4998]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  259.217140][ T4998]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  259.217144][ T4998]  __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))
[  259.217146][ T4998]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  259.217153][ T4998]  ? 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)
[  259.217155][ T4998]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  259.217159][ T4998]  put_chars (drivers/char/virtio_console.c:1176)
[  259.217162][ T4998]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  259.217165][ T4998]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  259.217168][ T4998]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  259.217172][ T4998]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  259.217176][ T4998]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  259.217178][ T4998]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  259.217183][ T4998]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  259.217187][ T4998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.217189][ T4998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  259.217193][ T4998]  console_emit_next_record (kernel/printk/printk.c:3183)
[  259.217197][ T4998]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  259.217199][ T4998]  ? 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))
[  259.217202][ T4998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.217204][ T4998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  259.217208][ T4998]  console_flush_one_record (kernel/printk/printk.c:3268)
[  259.217212][ T4998]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  259.217214][ T4998]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  259.217220][ T4998]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  259.217223][ T4998]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  259.217225][ T4998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.217226][ T4998]  ? 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)
[  259.217230][ T4998]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  259.217232][ T4998]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  259.217235][ T4998]  vprintk_emit (kernel/printk/printk.c:2479)
[  259.217238][ T4998]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  259.217244][ T4998]  _printk (kernel/printk/printk.c:2504)
[  259.217247][ T4998]  ? snapshot_read.cold (user.c:?)
[  259.217250][ T4998]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  259.217253][ T4998]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  259.217257][ T4998]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  259.217259][ T4998]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  259.217262][ T4998]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  259.217266][ T4998]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  259.217269][ T4998]  ? netdev_notice (net/core/dev.c:13194)
[  259.217271][ T4998]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  259.217280][ T4998]  ? 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)
[  259.217282][ T4998]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  259.217286][ T4998]  netif_set_promiscuity (net/core/dev.c:9699)
[  259.217290][ T4998]  dev_set_promiscuity (net/core/dev_api.c:288)
[  259.217292][ T4998]  ? dev_disable_lro (net/core/dev_api.c:267)
[  259.217294][ T4998] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  259.217299][ T4998] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  259.217304][ T4998] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  259.217309][ T4998]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  259.217313][ T4998] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  259.217319][ T4998]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  259.217322][ T4998]  ? __nla_validate_parse (lib/nlattr.c:635)
[  259.217329][ T4998]  ? __nla_parse (lib/nlattr.c:732)
[  259.217331][ T4998]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  259.217336][ T4998]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  259.217340][ T4998]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  259.217348][ T4998]  ? security_capable (security/security.c:660 (discriminator 11))
[  259.217352][ T4998]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  259.217356][ T4998]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  259.217359][ T4998]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  259.217361][ T4998]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  259.217365][ T4998]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  259.217371][ T4998]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  259.217374][ T4998]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  259.217376][ T4998]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  259.217380][ T4998]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  259.217387][ T4998]  ? 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))
[  259.217389][ T4998]  ? 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))
[  259.217393][ T4998]  genl_rcv (net/netlink/genetlink.c:1218)
[  259.217395][ T4998]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  259.217400][ T4998]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  259.217403][ T4998]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  259.217407][ T4998]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  259.217411][ T4998]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  259.217413][ T4998]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  259.217416][ T4998]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  259.217421][ T4998]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  259.217424][ T4998]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  259.217428][ T4998]  __sys_sendto (net/socket.c:2281)
[  259.217431][ T4998]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  259.217442][ T4998]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  259.217448][ T4998]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  259.217451][ T4998]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  259.217454][ T4998]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  259.217456][ T4998]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  259.217459][ T4998]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  259.217461][ T4998]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  259.217463][ T4998]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  259.217465][ T4998] RIP: 0033:0x7f2b7f117312
[  259.217469][ T4998] 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)
[  259.217471][ T4998] RSP: 002b:00007ffe6e9b3c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  259.217473][ T4998] RAX: ffffffffffffffda RBX: 00007ffe6e9b3dc8 RCX: 00007f2b7f117312
[  259.217475][ T4998] RDX: 0000000000000030 RSI: 00007f2b7c541a70 RDI: 0000000000000023
[  259.217476][ T4998] RBP: 00007ffe6e9b3cc0 R08: 00007ffe6e9b3e40 R09: 000000000000000c
[  259.217476][ T4998] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b7cf7a2e0
[  259.217477][ T4998] R13: 00007ffe6e9b3dc8 R14: 00007f2b7ea3601a R15: 00007ffe6e9b41b8
| [  261.332146][ T5092] softirqs last disabled at (389209): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  261.332149][ T5092] Preemption disabled at:
| [  261.332149][ T5092] vprintk_emit (kernel/printk/printk.c:2471)
| [  261.332158][ T5092] Tainted: [W]=WARN
[  261.332159][ T5092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  261.332161][ T5092] Call Trace:
[  261.332162][ T5092]  <TASK>
[  261.332164][ T5092]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  261.332170][ T5092]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  261.332172][ T5092]  __might_resched.cold (kernel/sched/core.c:9234)
[  261.332176][ T5092]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  261.332180][ T5092]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  261.332185][ T5092]  __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))
[  261.332186][ T5092]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  261.332193][ T5092]  ? 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)
[  261.332196][ T5092]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  261.332200][ T5092]  put_chars (drivers/char/virtio_console.c:1176)
[  261.332202][ T5092]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  261.332203][ T5092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  261.332207][ T5092]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  261.332212][ T5092]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  261.332220][ T5092]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  261.332223][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.332225][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  261.332229][ T5092]  console_emit_next_record (kernel/printk/printk.c:3183)
[  261.332233][ T5092]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  261.332235][ T5092]  ? 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))
[  261.332238][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.332240][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  261.332244][ T5092]  console_flush_one_record (kernel/printk/printk.c:3268)
[  261.332248][ T5092]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  261.332250][ T5092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  261.332255][ T5092]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  261.332258][ T5092]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  261.332260][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.332262][ T5092]  ? 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)
[  261.332266][ T5092]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  261.332268][ T5092]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  261.332271][ T5092]  vprintk_emit (kernel/printk/printk.c:2479)
[  261.332274][ T5092]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  261.332276][ T5092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  261.332280][ T5092]  _printk (kernel/printk/printk.c:2504)
[  261.332284][ T5092]  ? snapshot_read.cold (user.c:?)
[  261.332286][ T5092]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  261.332292][ T5092]  ? idr_get_free (??:?)
[  261.332294][ T5092]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  261.332303][ T5092] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  261.332311][ T5092]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  261.332316][ T5092]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  261.332318][ T5092]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  261.332321][ T5092]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  261.332323][ T5092]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  261.332325][ T5092]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  261.332327][ T5092]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  261.332329][ T5092]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  261.332332][ T5092]  ? __sys_sendto (net/socket.c:2281)
[  261.332334][ T5092]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  261.332353][ T5092]  ? __nla_parse (lib/nlattr.c:732)
[  261.332357][ T5092]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  261.332362][ T5092]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  261.332366][ T5092]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  261.332374][ T5092]  ? security_capable (security/security.c:660 (discriminator 11))
[  261.332378][ T5092]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  261.332382][ T5092]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  261.332384][ T5092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  261.332387][ T5092]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  261.332391][ T5092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  261.332397][ T5092]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  261.332400][ T5092]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  261.332402][ T5092]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  261.332406][ T5092]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  261.332413][ T5092]  ? 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))
[  261.332415][ T5092]  ? 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))
[  261.332419][ T5092]  genl_rcv (net/netlink/genetlink.c:1218)
[  261.332422][ T5092]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  261.332426][ T5092]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  261.332429][ T5092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  261.332433][ T5092]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  261.332437][ T5092]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  261.332439][ T5092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  261.332442][ T5092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  261.332447][ T5092]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  261.332448][ T5092]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  261.332452][ T5092]  __sys_sendto (net/socket.c:2281)
[  261.332455][ T5092]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  261.332466][ T5092]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  261.332471][ T5092]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  261.332474][ T5092]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  261.332477][ T5092]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  261.332479][ T5092]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  261.332482][ T5092]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  261.332484][ T5092]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  261.332486][ T5092]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  261.332489][ T5092] RIP: 0033:0x7f01e90af312
[  261.332492][ T5092] 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)
[  261.332494][ T5092] RSP: 002b:00007ffdca7d80a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  261.332497][ T5092] RAX: ffffffffffffffda RBX: 00007ffdca7d81d8 RCX: 00007f01e90af312
[  261.332498][ T5092] RDX: 00000000000000c4 RSI: 00007f01e6e111b0 RDI: 0000000000000026
[  261.332499][ T5092] RBP: 00007ffdca7d80d0 R08: 00007ffdca7d8250 R09: 000000000000000c
[  261.332500][ T5092] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f01e6f12430
[  261.332501][ T5092] R13: 00007ffdca7d81d8 R14: 00007f01e89ce01a R15: 00007ffdca7d85c8
| [  262.349542][ T5115] softirqs last disabled at (397764): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  262.349544][ T5115] Preemption disabled at:
| [  262.349545][ T5115] vprintk_emit (kernel/printk/printk.c:2471)
| [  262.349554][ T5115] Tainted: [W]=WARN
[  262.349554][ T5115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  262.349557][ T5115] Call Trace:
[  262.349558][ T5115]  <TASK>
[  262.349560][ T5115]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  262.349566][ T5115]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  262.349568][ T5115]  __might_resched.cold (kernel/sched/core.c:9234)
[  262.349572][ T5115]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  262.349576][ T5115]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  262.349581][ T5115]  __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))
[  262.349583][ T5115]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  262.349589][ T5115]  ? 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)
[  262.349592][ T5115]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  262.349596][ T5115]  put_chars (drivers/char/virtio_console.c:1176)
[  262.349598][ T5115]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  262.349600][ T5115]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  262.349603][ T5115]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  262.349609][ T5115]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  262.349616][ T5115]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  262.349619][ T5115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.349621][ T5115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.349625][ T5115]  console_emit_next_record (kernel/printk/printk.c:3183)
[  262.349629][ T5115]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  262.349631][ T5115]  ? 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))
[  262.349634][ T5115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.349636][ T5115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.349640][ T5115]  console_flush_one_record (kernel/printk/printk.c:3268)
[  262.349644][ T5115]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  262.349646][ T5115]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  262.349651][ T5115]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  262.349654][ T5115]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  262.349656][ T5115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.349658][ T5115]  ? 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)
[  262.349662][ T5115]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  262.349663][ T5115]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  262.349666][ T5115]  vprintk_emit (kernel/printk/printk.c:2479)
[  262.349670][ T5115]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  262.349672][ T5115]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  262.349676][ T5115]  _printk (kernel/printk/printk.c:2504)
[  262.349680][ T5115]  ? snapshot_read.cold (user.c:?)
[  262.349682][ T5115]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  262.349687][ T5115]  ? idr_get_free (??:?)
[  262.349690][ T5115]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  262.349699][ T5115] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  262.349707][ T5115]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  262.349711][ T5115]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  262.349713][ T5115]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  262.349716][ T5115]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  262.349717][ T5115]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  262.349720][ T5115]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  262.349722][ T5115]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  262.349724][ T5115]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  262.349726][ T5115]  ? __sys_sendto (net/socket.c:2281)
[  262.349729][ T5115]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  262.349748][ T5115]  ? __nla_parse (lib/nlattr.c:732)
[  262.349751][ T5115]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  262.349756][ T5115]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  262.349760][ T5115]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  262.349768][ T5115]  ? security_capable (security/security.c:660 (discriminator 11))
[  262.349772][ T5115]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  262.349776][ T5115]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  262.349778][ T5115]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  262.349781][ T5115]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  262.349786][ T5115]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  262.349791][ T5115]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  262.349795][ T5115]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  262.349797][ T5115]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  262.349800][ T5115]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  262.349807][ T5115]  ? 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))
[  262.349809][ T5115]  ? 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))
[  262.349813][ T5115]  genl_rcv (net/netlink/genetlink.c:1218)
[  262.349815][ T5115]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  262.349819][ T5115]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  262.349823][ T5115]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  262.349826][ T5115]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  262.349830][ T5115]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  262.349832][ T5115]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  262.349835][ T5115]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  262.349839][ T5115]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  262.349841][ T5115]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  262.349845][ T5115]  __sys_sendto (net/socket.c:2281)
[  262.349848][ T5115]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  262.349858][ T5115]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  262.349864][ T5115]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  262.349866][ T5115]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  262.349869][ T5115]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  262.349871][ T5115]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  262.349873][ T5115]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  262.349875][ T5115]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  262.349878][ T5115]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  262.349880][ T5115] RIP: 0033:0x7f533ff26312
[  262.349884][ T5115] 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)
[  262.349886][ T5115] RSP: 002b:00007fffc0aaf4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  262.349889][ T5115] RAX: ffffffffffffffda RBX: 00007fffc0aaf5d8 RCX: 00007f533ff26312
[  262.349890][ T5115] RDX: 00000000000000ac RSI: 00007f533dc03870 RDI: 0000000000000026
[  262.349891][ T5115] RBP: 00007fffc0aaf4d0 R08: 00007fffc0aaf650 R09: 000000000000000c
[  262.349892][ T5115] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f533dd86350
[  262.349893][ T5115] R13: 00007fffc0aaf5d8 R14: 00007f533f84501a R15: 00007fffc0aaf9c8
| [  268.350867][ T5279] softirqs last disabled at (26875): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  268.350870][ T5279] Preemption disabled at:
| [  268.350870][ T5279] vprintk_emit (kernel/printk/printk.c:2471)
| [  268.350879][ T5279] Tainted: [W]=WARN
[  268.350880][ T5279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  268.350881][ T5279] Call Trace:
[  268.350883][ T5279]  <TASK>
[  268.350885][ T5279]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  268.350891][ T5279]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  268.350893][ T5279]  __might_resched.cold (kernel/sched/core.c:9234)
[  268.350897][ T5279]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  268.350901][ T5279]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  268.350906][ T5279]  __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))
[  268.350908][ T5279]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  268.350914][ T5279]  ? 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)
[  268.350917][ T5279]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  268.350921][ T5279]  put_chars (drivers/char/virtio_console.c:1176)
[  268.350922][ T5279]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  268.350924][ T5279]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  268.350927][ T5279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  268.350930][ T5279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  268.350933][ T5279]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  268.350937][ T5279]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  268.350941][ T5279]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  268.350943][ T5279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.350945][ T5279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.350949][ T5279]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  268.350952][ T5279]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  268.350955][ T5279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.350957][ T5279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.350961][ T5279]  console_emit_next_record (kernel/printk/printk.c:3183)
[  268.350965][ T5279]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  268.350967][ T5279]  ? 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))
[  268.350970][ T5279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.350972][ T5279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.350976][ T5279]  console_flush_one_record (kernel/printk/printk.c:3268)
[  268.350980][ T5279]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  268.350982][ T5279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.350987][ T5279]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  268.350990][ T5279]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  268.350992][ T5279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.350994][ T5279]  ? 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)
[  268.350997][ T5279]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  268.350999][ T5279]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  268.351002][ T5279]  vprintk_emit (kernel/printk/printk.c:2479)
[  268.351005][ T5279]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  268.351008][ T5279]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  268.351011][ T5279]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  268.351019][ T5279]  _printk (kernel/printk/printk.c:2504)
[  268.351022][ T5279]  ? snapshot_read.cold (user.c:?)
[  268.351027][ T5279]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  268.351031][ T5279]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  268.351035][ T5279]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  268.351037][ T5279]  ? netdev_notice (net/core/dev.c:13194)
[  268.351039][ T5279]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  268.351045][ T5279]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  268.351050][ T5279]  ? 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)
[  268.351053][ T5279]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  268.351057][ T5279]  netif_set_promiscuity (net/core/dev.c:9699)
[  268.351060][ T5279]  dev_set_promiscuity (net/core/dev_api.c:288)
[  268.351062][ T5279]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  268.351066][ T5279] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  268.351072][ T5279] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  268.351077][ T5279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.351079][ T5279]  notifier_call_chain (kernel/notifier.c:85)
[  268.351085][ T5279]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  268.351090][ T5279]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  268.351097][ T5279]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  268.351099][ T5279]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  268.351101][ T5279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.351102][ T5279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.351105][ T5279]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  268.351125][ T5279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  268.351128][ T5279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  268.351131][ T5279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  268.351133][ T5279]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  268.351135][ T5279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.351139][ T5279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  268.351141][ T5279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  268.351143][ T5279]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  268.351145][ T5279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  268.351149][ T5279]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  268.351151][ T5279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  268.351154][ T5279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  268.351156][ T5279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.351160][ T5279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  268.351162][ T5279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  268.351165][ T5279]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  268.351169][ T5279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  268.351172][ T5279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  268.351178][ T5279]  ? 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))
[  268.351180][ T5279]  ? 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))
[  268.351184][ T5279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  268.351188][ T5279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  268.351191][ T5279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  268.351195][ T5279]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  268.351199][ T5279]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  268.351203][ T5279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  268.351205][ T5279]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  268.351210][ T5279]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  268.351214][ T5279]  ____sys_sendmsg (net/socket.c:2713)
[  268.351216][ T5279]  ? copy_msghdr_from_user (net/socket.c:2650)
[  268.351219][ T5279]  ? sock_write_iter (net/socket.c:1269)
[  268.351220][ T5279]  ? move_addr_to_kernel (net/socket.c:258)
[  268.351227][ T5279]  ___sys_sendmsg (net/socket.c:2767)
[  268.351230][ T5279]  ? copy_msghdr_from_user (net/socket.c:2619)
[  268.351245][ T5279]  __sys_sendmsg (net/socket.c:2799)
[  268.351248][ T5279]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  268.351255][ T5279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.351258][ T5279]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  268.351261][ T5279]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  268.351264][ T5279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  268.351266][ T5279] RIP: 0033:0x7fc9691e954e
[  268.351270][ T5279] 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
[  268.351272][ T5279] RSP: 002b:00007ffd282b1390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  268.351274][ T5279] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc9691e954e
[  268.351276][ T5279] RDX: 0000000000000000 RSI: 00007ffd282b1440 RDI: 0000000000000005
[  268.351277][ T5279] RBP: 00007ffd282b13a0 R08: 0000000000000000 R09: 0000000000000000
[  268.351278][ T5279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911628


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