======================================
| [   10.330943][  T180] softirqs last disabled at (99613): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.330945][  T180] Preemption disabled at:
| [   10.330946][  T180] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.330955][  T180] Tainted: [W]=WARN
[   10.330955][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.330957][  T180] Call Trace:
[   10.330959][  T180]  <TASK>
[   10.330960][  T180]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.330967][  T180]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.330968][  T180]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.330972][  T180]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.330976][  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)
[   10.330980][  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))
[   10.330982][  T180]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.330989][  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)
[   10.330992][  T180]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.330995][  T180]  put_chars (drivers/char/virtio_console.c:1176)
[   10.330997][  T180]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.331000][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.331003][  T180]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.331005][  T180]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.331009][  T180]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.331013][  T180]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.331015][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.331017][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.331021][  T180]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.331023][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.331027][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.331031][  T180]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.331034][  T180]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.331036][  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))
[   10.331039][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.331041][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.331045][  T180]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.331049][  T180]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.331051][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.331056][  T180]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.331059][  T180]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.331060][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.331062][  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)
[   10.331065][  T180]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.331067][  T180]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.331070][  T180]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.331073][  T180]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.331078][  T180]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   10.331081][  T180]  _printk (kernel/printk/printk.c:2504)
[   10.331085][  T180]  ? snapshot_read.cold (user.c:?)
[   10.331091][  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)
[   10.331094][  T180] dp_init (net/openvswitch/actions.c:729) openvswitch
[   10.331102][  T180]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   10.331104][  T180]  do_one_initcall (init/main.c:1357)
[   10.331107][  T180]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.331111][  T180]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.331114][  T180]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.331119][  T180]  do_init_module (kernel/module/main.c:3117)
[   10.331122][  T180]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.331126][  T180]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.331128][  T180]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.331132][  T180]  load_module (kernel/module/main.c:3593)
[   10.331137][  T180]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   10.331142][  T180]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.331145][  T180]  ? __ia32_sys_fsconfig (??:?)
[   10.331149][  T180]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.331152][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.331156][  T180]  init_module_from_file (kernel/module/main.c:3790)
[   10.331158][  T180]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.331165][  T180]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.331169][  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)
[   10.331172][  T180]  idempotent_init_module (kernel/module/main.c:3802)
[   10.331174][  T180]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.331180][  T180]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.331182][  T180]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   10.331187][  T180]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.331188][  T180]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.331192][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.331195][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.331198][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.331200][  T180] RIP: 0033:0x7f6bdc07637d
[   10.331203][  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
[   10.331205][  T180] RSP: 002b:00007ffca60623f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.331207][  T180] RAX: ffffffffffffffda RBX: 000055a215522810 RCX: 00007f6bdc07637d
[   10.331208][  T180] RDX: 0000000000000000 RSI: 000055a204486ffd RDI: 0000000000000005
[   10.331209][  T180] RBP: 00007ffca6062490 R08: 0000000000000000 R09: 646f6d2f62696c2f
[   10.331210][  T180] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a204486ffd
[   10.331211][  T180] R13: 000055a215522a90 R14: 0000000000040000 R15: 0000000000000000
| [   11.884953][  T211] softirqs last disabled at (386426): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.884955][  T211] Preemption disabled at:
| [   11.884956][  T211] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.884964][  T211] Tainted: [W]=WARN
[   11.884965][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.884966][  T211] Call Trace:
[   11.884968][  T211]  <TASK>
[   11.884969][  T211]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.884975][  T211]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.884976][  T211]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.884981][  T211]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.884985][  T211]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.884989][  T211]  __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))
[   11.884991][  T211]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.884997][  T211]  ? 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)
[   11.885000][  T211]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.885004][  T211]  put_chars (drivers/char/virtio_console.c:1176)
[   11.885006][  T211]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.885007][  T211]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.885012][  T211]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.885015][  T211]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.885019][  T211]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.885021][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.885023][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.885027][  T211]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.885029][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.885033][  T211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.885037][  T211]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.885040][  T211]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.885042][  T211]  ? 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))
[   11.885045][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.885048][  T211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.885052][  T211]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.885056][  T211]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.885058][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.885063][  T211]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.885066][  T211]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.885068][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.885070][  T211]  ? 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)
[   11.885073][  T211]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.885075][  T211]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.885078][  T211]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.885080][  T211]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.885083][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.885084][  T211]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   11.885089][  T211]  _printk (kernel/printk/printk.c:2504)
[   11.885092][  T211]  ? snapshot_read.cold (user.c:?)
[   11.885094][  T211]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   11.885100][  T211]  ? idr_get_free (??:?)
[   11.885104][  T211]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   11.885112][  T211]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.885117][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.885119][  T211]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.885124][  T211]  __nla_validate_parse (lib/nlattr.c:635)
[   11.885128][  T211]  __nla_parse (lib/nlattr.c:732)
[   11.885131][  T211]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   11.885135][  T211]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   11.885139][  T211]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   11.885147][  T211]  ? security_capable (security/security.c:660 (discriminator 11))
[   11.885151][  T211]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   11.885155][  T211]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   11.885157][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.885160][  T211]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   11.885168][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.885174][  T211]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   11.885177][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.885179][  T211]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   11.885182][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.885189][  T211]  ? 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))
[   11.885191][  T211]  ? 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))
[   11.885195][  T211]  genl_rcv (net/netlink/genetlink.c:1218)
[   11.885197][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.885201][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.885205][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.885208][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.885212][  T211]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.885213][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.885216][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.885221][  T211]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.885224][  T211]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   11.885227][  T211]  __sys_sendto (net/socket.c:2281)
[   11.885230][  T211]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.885241][  T211]  ? fput_close_sync (fs/file_table.c:617)
[   11.885244][  T211]  ? alloc_file_clone (fs/file_table.c:479)
[   11.885248][  T211]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.885250][  T211]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.885254][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.885256][  T211]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.885259][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.885260][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.885263][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.885265][  T211] RIP: 0033:0x7ff3634ec312
[   11.885269][  T211] 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)
[   11.885270][  T211] RSP: 002b:00007fffbbfa7f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.885273][  T211] RAX: ffffffffffffffda RBX: 00007fffbbfa8068 RCX: 00007ff3634ec312
[   11.885274][  T211] RDX: 0000000000000044 RSI: 00007ff3600cb050 RDI: 0000000000000020
[   11.885275][  T211] RBP: 00007fffbbfa7f60 R08: 00007fffbbfa80e0 R09: 000000000000000c
[   11.885276][  T211] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff361356120
[   11.885277][  T211] R13: 00007fffbbfa8068 R14: 00007ff362e0b01a R15: 00007fffbbfa8458
| [   13.068497][  T261] softirqs last disabled at (390982): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.068498][  T261] Preemption disabled at:
| [   13.068499][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.068508][  T261] Tainted: [W]=WARN
[   13.068509][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.068510][  T261] Call Trace:
[   13.068512][  T261]  <TASK>
[   13.068513][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.068520][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.068521][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.068526][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.068530][  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)
[   13.068534][  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))
[   13.068536][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.068542][  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)
[   13.068545][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.068549][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   13.068551][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.068554][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.068557][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.068562][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.068566][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068567][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068572][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.068576][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.068578][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.068585][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.068590][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.068592][  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))
[   13.068595][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.068597][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.068601][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.068605][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.068607][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068612][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.068615][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.068617][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.068619][  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)
[   13.068622][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.068624][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.068627][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.068630][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.068635][  T261]  _printk (kernel/printk/printk.c:2504)
[   13.068639][  T261]  ? snapshot_read.cold (user.c:?)
[   13.068642][  T261]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.068645][  T261]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   13.068649][  T261]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   13.068651][  T261]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.068654][  T261]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.068658][  T261]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.068661][  T261]  ? netdev_notice (net/core/dev.c:13194)
[   13.068663][  T261]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   13.068672][  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)
[   13.068674][  T261]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   13.068678][  T261]  netif_set_promiscuity (net/core/dev.c:9699)
[   13.068681][  T261]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.068683][  T261]  ? dev_disable_lro (net/core/dev_api.c:267)
[   13.068685][  T261] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   13.068690][  T261] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   13.068695][  T261] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   13.068699][  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
[   13.068704][  T261] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   13.068710][  T261]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.068713][  T261]  ? __nla_validate_parse (lib/nlattr.c:635)
[   13.068725][  T261]  ? __nla_parse (lib/nlattr.c:732)
[   13.068727][  T261]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   13.068732][  T261]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   13.068736][  T261]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   13.068744][  T261]  ? security_capable (security/security.c:660 (discriminator 11))
[   13.068748][  T261]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   13.068752][  T261]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   13.068755][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.068757][  T261]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.068761][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068767][  T261]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   13.068770][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.068772][  T261]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   13.068775][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.068782][  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))
[   13.068785][  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))
[   13.068789][  T261]  genl_rcv (net/netlink/genetlink.c:1218)
[   13.068791][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.068795][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.068798][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068802][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.068806][  T261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.068808][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.068811][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.068815][  T261]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.068818][  T261]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   13.068822][  T261]  __sys_sendto (net/socket.c:2281)
[   13.068825][  T261]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   13.068836][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   13.068842][  T261]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   13.068844][  T261]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.068848][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.068849][  T261]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.068852][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.068854][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.068856][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.068859][  T261] RIP: 0033:0x7f6de5bc6312
[   13.068862][  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)
[   13.068864][  T261] RSP: 002b:00007ffd57ebedf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.068866][  T261] RAX: ffffffffffffffda RBX: 00007ffd57ebef28 RCX: 00007f6de5bc6312
[   13.068868][  T261] RDX: 0000000000000030 RSI: 00007f6de17f89b0 RDI: 0000000000000023
[   13.068868][  T261] RBP: 00007ffd57ebee20 R08: 00007ffd57ebefa0 R09: 000000000000000c
[   13.068869][  T261] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6de3a26200
[   13.068870][  T261] R13: 00007ffd57ebef28 R14: 00007f6de54e501a R15: 00007ffd57ebf318
| [   14.235294][  T300] softirqs last disabled at (386306): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.235296][  T300] Preemption disabled at:
| [   14.235296][  T300] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.235305][  T300] Tainted: [W]=WARN
[   14.235306][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.235307][  T300] Call Trace:
[   14.235309][  T300]  <TASK>
[   14.235311][  T300]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.235317][  T300]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.235318][  T300]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.235323][  T300]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.235327][  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)
[   14.235332][  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))
[   14.235334][  T300]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.235340][  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)
[   14.235343][  T300]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.235347][  T300]  put_chars (drivers/char/virtio_console.c:1176)
[   14.235350][  T300]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.235353][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.235356][  T300]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.235360][  T300]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.235365][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.235366][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.235371][  T300]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.235375][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.235377][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.235381][  T300]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.235385][  T300]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.235387][  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))
[   14.235390][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.235392][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.235396][  T300]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.235400][  T300]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.235402][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.235407][  T300]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.235410][  T300]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.235412][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.235414][  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)
[   14.235417][  T300]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.235419][  T300]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.235422][  T300]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.235425][  T300]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.235430][  T300]  _printk (kernel/printk/printk.c:2504)
[   14.235434][  T300]  ? snapshot_read.cold (user.c:?)
[   14.235437][  T300]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   14.235440][  T300]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   14.235444][  T300]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   14.235446][  T300]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.235449][  T300]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.235453][  T300]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.235456][  T300]  ? netdev_notice (net/core/dev.c:13194)
[   14.235458][  T300]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   14.235467][  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)
[   14.235469][  T300]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   14.235473][  T300]  netif_set_promiscuity (net/core/dev.c:9699)
[   14.235477][  T300]  dev_set_promiscuity (net/core/dev_api.c:288)
[   14.235478][  T300]  ? dev_disable_lro (net/core/dev_api.c:267)
[   14.235481][  T300] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   14.235486][  T300] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   14.235491][  T300] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   14.235495][  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
[   14.235499][  T300] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   14.235505][  T300]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   14.235509][  T300]  ? __nla_validate_parse (lib/nlattr.c:635)
[   14.235515][  T300]  ? __nla_parse (lib/nlattr.c:732)
[   14.235518][  T300]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   14.235523][  T300]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   14.235526][  T300]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   14.235534][  T300]  ? security_capable (security/security.c:660 (discriminator 11))
[   14.235539][  T300]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   14.235543][  T300]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   14.235545][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.235547][  T300]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   14.235551][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.235557][  T300]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   14.235560][  T300]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.235562][  T300]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   14.235566][  T300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.235573][  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))
[   14.235575][  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))
[   14.235579][  T300]  genl_rcv (net/netlink/genetlink.c:1218)
[   14.235584][  T300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.235589][  T300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.235592][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.235596][  T300]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.235600][  T300]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.235601][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.235604][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.235609][  T300]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.235612][  T300]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   14.235616][  T300]  __sys_sendto (net/socket.c:2281)
[   14.235619][  T300]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.235630][  T300]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   14.235637][  T300]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.235639][  T300]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.235642][  T300]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.235644][  T300]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.235647][  T300]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.235648][  T300]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.235651][  T300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.235653][  T300] RIP: 0033:0x7f15c4c50312
[   14.235657][  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)
[   14.235659][  T300] RSP: 002b:00007fffb4a3f4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   14.235661][  T300] RAX: ffffffffffffffda RBX: 00007fffb4a3f608 RCX: 00007f15c4c50312
[   14.235663][  T300] RDX: 0000000000000030 RSI: 00007f15c0865e70 RDI: 0000000000000023
[   14.235664][  T300] RBP: 00007fffb4a3f500 R08: 00007fffb4a3f680 R09: 000000000000000c
[   14.235664][  T300] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15c2aba2e0
[   14.235665][  T300] R13: 00007fffb4a3f608 R14: 00007f15c456f01a R15: 00007fffb4a3f9f8
| [   17.207373][  T363] softirqs last disabled at (25798): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   17.207376][  T363] Preemption disabled at:
| [   17.207376][  T363] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.207385][  T363] Tainted: [W]=WARN
[   17.207385][  T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.207387][  T363] Call Trace:
[   17.207388][  T363]  <TASK>
[   17.207390][  T363]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.207396][  T363]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.207397][  T363]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.207401][  T363]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.207405][  T363]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.207410][  T363]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.207411][  T363]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.207418][  T363]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.207420][  T363]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.207424][  T363]  put_chars (drivers/char/virtio_console.c:1176)
[   17.207426][  T363]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.207430][  T363]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   17.207434][  T363]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.207438][  T363]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.207440][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.207441][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.207445][  T363]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.207448][  T363]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.207451][  T363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.207454][  T363]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.207457][  T363]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.207461][  T363]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.207463][  T363]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.207466][  T363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.207468][  T363]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.207472][  T363]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.207476][  T363]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.207477][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.207482][  T363]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.207485][  T363]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.207487][  T363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.207489][  T363]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   17.207492][  T363]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.207494][  T363]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.207497][  T363]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.207500][  T363]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.207502][  T363]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   17.207506][  T363]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   17.207511][  T363]  _printk (kernel/printk/printk.c:2504)
[   17.207514][  T363]  ? snapshot_read.cold (user.c:?)
[   17.207519][  T363]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.207522][  T363]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.207526][  T363]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.207529][  T363]  ? netdev_notice (net/core/dev.c:13194)
[   17.207531][  T363]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   17.207535][  T363]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   17.207540][  T363]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.207543][  T363]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   17.207546][  T363]  netif_set_promiscuity (net/core/dev.c:9699)
[   17.207549][  T363]  dev_set_promiscuity (net/core/dev_api.c:288)
[   17.207551][  T363]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.207554][  T363] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   17.207562][  T363] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   17.207566][  T363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.207568][  T363]  notifier_call_chain (kernel/notifier.c:85)
[   17.207574][  T363]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   17.207579][  T363]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   17.207588][  T363]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   17.207590][  T363]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.207592][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.207593][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.207595][  T363]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   17.207616][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.207618][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.207621][  T363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.207623][  T363]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.207625][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.207629][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.207631][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.207633][  T363]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   17.207635][  T363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.207638][  T363]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   17.207640][  T363]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.207643][  T363]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.207645][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.207649][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.207651][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.207654][  T363]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.207657][  T363]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.207660][  T363]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.207666][  T363]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.207668][  T363]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.207673][  T363]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.207676][  T363]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.207679][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.207683][  T363]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.207687][  T363]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.207690][  T363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.207692][  T363]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   17.207697][  T363]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.207701][  T363]  ____sys_sendmsg (net/socket.c:2713)
[   17.207703][  T363]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.207705][  T363]  ? sock_write_iter (net/socket.c:1269)
[   17.207707][  T363]  ? move_addr_to_kernel (net/socket.c:258)
[   17.207714][  T363]  ___sys_sendmsg (net/socket.c:2767)
[   17.207717][  T363]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.207732][  T363]  __sys_sendmsg (net/socket.c:2799)
[   17.207738][  T363]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.207744][  T363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.207747][  T363]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.207751][  T363]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.207754][  T363]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.207756][  T363] RIP: 0033:0x7fee80eee54e
[   17.207759][  T363] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.207761][  T363] RSP: 002b:00007ffe07b02000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.207763][  T363] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fee80eee54e
[   17.207765][  T363] RDX: 0000000000000000 RSI: 00007ffe07b020b0 RDI: 0000000000000005
[   17.207766][  T363] RBP: 00007ffe07b02010 R08: 0000000000000000 R09: 0000000000000000
[   17.207766][  T363] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919301
[   17.207767][  T363] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe07b02770
| [   20.112099][  T421] softirqs last disabled at (390114): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.112101][  T421] Preemption disabled at:
| [   20.112102][  T421] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.112110][  T421] Tainted: [W]=WARN
[   20.112111][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.112112][  T421] Call Trace:
[   20.112114][  T421]  <TASK>
[   20.112115][  T421]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.112121][  T421]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.112123][  T421]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.112127][  T421]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.112131][  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)
[   20.112136][  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))
[   20.112138][  T421]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.112144][  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)
[   20.112147][  T421]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.112151][  T421]  put_chars (drivers/char/virtio_console.c:1176)
[   20.112153][  T421]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.112155][  T421]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.112158][  T421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.112161][  T421]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.112166][  T421]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.112169][  T421]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.112171][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.112173][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.112177][  T421]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.112179][  T421]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.112183][  T421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.112187][  T421]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.112191][  T421]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.112193][  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))
[   20.112196][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.112198][  T421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.112202][  T421]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.112206][  T421]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.112208][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.112213][  T421]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.112216][  T421]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.112218][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.112219][  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)
[   20.112223][  T421]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.112225][  T421]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.112227][  T421]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.112231][  T421]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.112233][  T421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.112234][  T421]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   20.112239][  T421]  _printk (kernel/printk/printk.c:2504)
[   20.112243][  T421]  ? snapshot_read.cold (user.c:?)
[   20.112245][  T421]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   20.112250][  T421]  ? idr_get_free (??:?)
[   20.112255][  T421]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   20.112264][  T421]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.112270][  T421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.112272][  T421]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   20.112276][  T421]  __nla_validate_parse (lib/nlattr.c:635)
[   20.112280][  T421]  __nla_parse (lib/nlattr.c:732)
[   20.112283][  T421]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   20.112288][  T421]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   20.112291][  T421]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   20.112299][  T421]  ? security_capable (security/security.c:660 (discriminator 11))
[   20.112304][  T421]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   20.112307][  T421]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   20.112310][  T421]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.112312][  T421]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   20.112320][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.112325][  T421]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   20.112329][  T421]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.112331][  T421]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   20.112334][  T421]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.112341][  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))
[   20.112343][  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))
[   20.112347][  T421]  genl_rcv (net/netlink/genetlink.c:1218)
[   20.112349][  T421]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.112353][  T421]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.112357][  T421]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.112360][  T421]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.112364][  T421]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.112366][  T421]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.112369][  T421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.112374][  T421]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.112376][  T421]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   20.112380][  T421]  __sys_sendto (net/socket.c:2281)
[   20.112383][  T421]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   20.112394][  T421]  ? fput_close_sync (fs/file_table.c:617)
[   20.112397][  T421]  ? alloc_file_clone (fs/file_table.c:479)
[   20.112401][  T421]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   20.112403][  T421]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.112407][  T421]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.112409][  T421]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   20.112411][  T421]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.112413][  T421]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.112416][  T421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.112418][  T421] RIP: 0033:0x7fdb07bfa312
[   20.112421][  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)
[   20.112423][  T421] RSP: 002b:00007ffc7545a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.112425][  T421] RAX: ffffffffffffffda RBX: 00007ffc7545a2b8 RCX: 00007fdb07bfa312
[   20.112427][  T421] RDX: 0000000000000040 RSI: 00007fdaf7762e70 RDI: 0000000000000020
[   20.112427][  T421] RBP: 00007ffc7545a1b0 R08: 00007ffc7545a330 R09: 000000000000000c
[   20.112428][  T421] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdb05a5a0b0
[   20.112429][  T421] R13: 00007ffc7545a2b8 R14: 00007fdb0751901a R15: 00007ffc7545a6a8
| [   21.309255][  T470] softirqs last disabled at (374832): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   21.309257][  T470] Preemption disabled at:
| [   21.309258][  T470] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.309266][  T470] Tainted: [W]=WARN
[   21.309267][  T470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.309268][  T470] Call Trace:
[   21.309270][  T470]  <TASK>
[   21.309271][  T470]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.309277][  T470]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.309279][  T470]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.309284][  T470]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.309288][  T470]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.309292][  T470]  __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))
[   21.309294][  T470]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.309301][  T470]  ? 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)
[   21.309304][  T470]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.309307][  T470]  put_chars (drivers/char/virtio_console.c:1176)
[   21.309310][  T470]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.309313][  T470]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.309316][  T470]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.309320][  T470]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.309325][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.309326][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.309331][  T470]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.309334][  T470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.309337][  T470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.309341][  T470]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.309345][  T470]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.309346][  T470]  ? 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))
[   21.309350][  T470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.309351][  T470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.309355][  T470]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.309360][  T470]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.309361][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.309367][  T470]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.309370][  T470]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.309371][  T470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.309373][  T470]  ? 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)
[   21.309377][  T470]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.309378][  T470]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.309381][  T470]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.309384][  T470]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.309389][  T470]  _printk (kernel/printk/printk.c:2504)
[   21.309394][  T470]  ? snapshot_read.cold (user.c:?)
[   21.309396][  T470]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   21.309399][  T470]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   21.309403][  T470]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   21.309405][  T470]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.309409][  T470]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.309413][  T470]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.309415][  T470]  ? netdev_notice (net/core/dev.c:13194)
[   21.309417][  T470]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   21.309426][  T470]  ? 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)
[   21.309429][  T470]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   21.309432][  T470]  netif_set_promiscuity (net/core/dev.c:9699)
[   21.309436][  T470]  dev_set_promiscuity (net/core/dev_api.c:288)
[   21.309438][  T470]  ? dev_disable_lro (net/core/dev_api.c:267)
[   21.309440][  T470] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   21.309445][  T470] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   21.309450][  T470] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   21.309454][  T470]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   21.309459][  T470] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   21.309464][  T470]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   21.309468][  T470]  ? __nla_validate_parse (lib/nlattr.c:635)
[   21.309474][  T470]  ? __nla_parse (lib/nlattr.c:732)
[   21.309477][  T470]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   21.309482][  T470]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   21.309485][  T470]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   21.309493][  T470]  ? security_capable (security/security.c:660 (discriminator 11))
[   21.309498][  T470]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   21.309502][  T470]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   21.309504][  T470]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.309506][  T470]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   21.309511][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.309517][  T470]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   21.309520][  T470]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.309522][  T470]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   21.309526][  T470]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.309533][  T470]  ? 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))
[   21.309535][  T470]  ? 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))
[   21.309539][  T470]  genl_rcv (net/netlink/genetlink.c:1218)
[   21.309541][  T470]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.309545][  T470]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.309549][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.309552][  T470]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.309556][  T470]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.309558][  T470]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.309561][  T470]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.309566][  T470]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.309569][  T470]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   21.309572][  T470]  __sys_sendto (net/socket.c:2281)
[   21.309575][  T470]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.309585][  T470]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   21.309593][  T470]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.309597][  T470]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.309599][  T470]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.309603][  T470]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.309606][  T470]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.309609][  T470]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.309610][  T470]  ? irq_exit_rcu (kernel/softirq.c:786)
[   21.309615][  T470]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.309617][  T470] RIP: 0033:0x7fb7c2e23312
[   21.309620][  T470] 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)
[   21.309622][  T470] RSP: 002b:00007ffd314d0fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.309625][  T470] RAX: ffffffffffffffda RBX: 00007ffd314d10d8 RCX: 00007fb7c2e23312
[   21.309626][  T470] RDX: 0000000000000030 RSI: 00007fb7c026e7b0 RDI: 0000000000000023
[   21.309627][  T470] RBP: 00007ffd314d0fd0 R08: 00007ffd314d1150 R09: 000000000000000c
[   21.309628][  T470] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb7c0c86190
[   21.309629][  T470] R13: 00007ffd314d10d8 R14: 00007fb7c274201a R15: 00007ffd314d14c8
| [   22.529387][  T508] softirqs last disabled at (376210): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   22.529389][  T508] Preemption disabled at:
| [   22.529390][  T508] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.529398][  T508] Tainted: [W]=WARN
[   22.529399][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.529401][  T508] Call Trace:
[   22.529402][  T508]  <TASK>
[   22.529404][  T508]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.529410][  T508]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.529412][  T508]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.529416][  T508]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.529421][  T508]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.529425][  T508]  __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))
[   22.529427][  T508]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.529434][  T508]  ? 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)
[   22.529437][  T508]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.529440][  T508]  put_chars (drivers/char/virtio_console.c:1176)
[   22.529443][  T508]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.529446][  T508]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.529449][  T508]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.529453][  T508]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.529458][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.529459][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.529464][  T508]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.529467][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.529470][  T508]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.529474][  T508]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.529478][  T508]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.529480][  T508]  ? 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))
[   22.529483][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.529485][  T508]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.529489][  T508]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.529493][  T508]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.529495][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.529500][  T508]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.529503][  T508]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.529505][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.529507][  T508]  ? 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)
[   22.529511][  T508]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.529513][  T508]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.529515][  T508]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.529518][  T508]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.529524][  T508]  _printk (kernel/printk/printk.c:2504)
[   22.529527][  T508]  ? snapshot_read.cold (user.c:?)
[   22.529530][  T508]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   22.529533][  T508]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   22.529537][  T508]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   22.529539][  T508]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.529543][  T508]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.529547][  T508]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.529550][  T508]  ? netdev_notice (net/core/dev.c:13194)
[   22.529551][  T508]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   22.529560][  T508]  ? 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)
[   22.529563][  T508]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   22.529566][  T508]  netif_set_promiscuity (net/core/dev.c:9699)
[   22.529570][  T508]  dev_set_promiscuity (net/core/dev_api.c:288)
[   22.529572][  T508]  ? dev_disable_lro (net/core/dev_api.c:267)
[   22.529574][  T508] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   22.529579][  T508] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   22.529587][  T508] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   22.529592][  T508]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   22.529596][  T508] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   22.529602][  T508]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   22.529605][  T508]  ? __nla_validate_parse (lib/nlattr.c:635)
[   22.529612][  T508]  ? __nla_parse (lib/nlattr.c:732)
[   22.529614][  T508]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   22.529619][  T508]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   22.529623][  T508]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   22.529631][  T508]  ? security_capable (security/security.c:660 (discriminator 11))
[   22.529635][  T508]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   22.529639][  T508]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   22.529641][  T508]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.529643][  T508]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   22.529647][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.529653][  T508]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   22.529656][  T508]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.529658][  T508]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   22.529662][  T508]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.529669][  T508]  ? 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))
[   22.529671][  T508]  ? 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))
[   22.529675][  T508]  genl_rcv (net/netlink/genetlink.c:1218)
[   22.529677][  T508]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.529681][  T508]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.529685][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.529688][  T508]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.529692][  T508]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.529694][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.529697][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.529702][  T508]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.529705][  T508]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   22.529708][  T508]  __sys_sendto (net/socket.c:2281)
[   22.529711][  T508]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   22.529722][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   22.529729][  T508]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   22.529731][  T508]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.529734][  T508]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.529736][  T508]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   22.529738][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.529740][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.529743][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.529745][  T508] RIP: 0033:0x7f7aa70b0312
[   22.529749][  T508] 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)
[   22.529750][  T508] RSP: 002b:00007fff1e46bbd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   22.529757][  T508] RAX: ffffffffffffffda RBX: 00007fff1e46bd08 RCX: 00007f7aa70b0312
[   22.529759][  T508] RDX: 0000000000000030 RSI: 00007f7aa44ce0f0 RDI: 0000000000000023
[   22.529759][  T508] RBP: 00007fff1e46bc00 R08: 00007fff1e46bd80 R09: 000000000000000c
[   22.529760][  T508] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7aa4f1a270
[   22.529761][  T508] R13: 00007fff1e46bd08 R14: 00007f7aa69cf01a R15: 00007fff1e46c0f8
| [   23.501196][    C0]
| [   23.501196][    C0]
| [   23.501196][    C0] stack backtrace:
| [   23.501202][    C0] Tainted: [W]=WARN
[   23.501202][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.501204][    C0] Call Trace:
[   23.501205][    C0]  <IRQ>
[   23.501206][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.501211][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   23.501213][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   23.501216][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   23.501218][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   23.501220][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   23.501222][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.501224][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   23.501226][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.501228][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.501230][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   23.501232][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   23.501233][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   23.501235][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.501237][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.501239][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.501240][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.501242][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.501244][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.501246][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.501248][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.501250][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.501252][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.501253][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.501254][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.501257][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.501258][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.501259][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.501261][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   23.501263][    C0]  _printk (kernel/printk/printk.c:2504)
[   23.501264][    C0]  ? snapshot_read.cold (user.c:?)
[   23.501266][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   23.501268][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.501270][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   23.501271][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.501273][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.501275][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   23.501277][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   23.501279][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   23.501282][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.501283][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.501285][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.501286][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   23.501288][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.501290][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   23.501292][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.501295][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.501297][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   23.501299][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   23.501301][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.501304][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.501305][    C0]  handle_softirqs (kernel/softirq.c:645)
[   23.501307][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.501308][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   23.501310][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   23.501312][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   23.501313][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   23.501315][    C0]  </IRQ>
[   23.501315][    C0]  <TASK>
[   23.501316][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   23.501318][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   23.501319][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   23.501321][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   23.501323][    C0] RSP: 0018:ffffffffb3807cf8 EFLAGS: 00000296
[   23.501325][    C0] RAX: 00000000000c84e9 RBX: ffffffffb3830600 RCX: ffffffffaff06247
[   23.501326][    C0] RDX: ffffffffb3830600 RSI: ffffffffb3111011 RDI: ffffffffb2a949e0
[   23.501327][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   23.501328][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6700fa2
[   23.501329][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   23.501330][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   23.501332][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.501334][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   23.501335][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   23.501337][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   23.501338][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   23.501340][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   23.501342][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.501344][    C0]  do_idle (kernel/sched/idle.c:355)
[   23.501345][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   23.501347][    C0]  rest_init (init/main.c:727)
[   23.501349][    C0]  ? __cpuidle_text_end (??:?)
[   23.501351][    C0]  ? rest_init (init/main.c:727)
[   23.501353][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   23.501356][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   23.501358][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   23.501360][    C0]  start_kernel (init/main.c:1185)
[   23.501362][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   23.501363][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   23.501365][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   23.528810][    C0] softirqs last disabled at (820459): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.528812][    C0] Preemption disabled at:
| [   23.528812][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   23.528820][    C0] Tainted: [W]=WARN
[   23.528821][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.528822][    C0] Call Trace:
[   23.528822][    C0]  <IRQ>
[   23.528823][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.528827][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   23.528829][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.528832][    C0]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   23.528834][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.528837][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.528840][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.528842][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.528844][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.528847][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.528849][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.528851][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   23.528852][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.528854][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   23.528856][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.528860][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.528862][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.528864][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.528864][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.528866][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.528868][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.528870][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.528872][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.528873][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.528875][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   23.528877][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.528879][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.528881][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.528883][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.528885][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.528886][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.528887][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.528889][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.528891][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.528892][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.528894][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.528895][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   23.528898][    C0]  _printk (kernel/printk/printk.c:2504)
[   23.528900][    C0]  ? snapshot_read.cold (user.c:?)
[   23.528902][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   23.528903][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.528906][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   23.528908][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.528909][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.528911][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   23.528913][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   23.528915][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   23.528917][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.528919][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.528921][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.528922][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   23.528924][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   23.528926][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   23.528928][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.528930][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.528933][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   23.528935][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   23.528936][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.528939][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.528940][    C0]  handle_softirqs (kernel/softirq.c:645)
[   23.528941][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.528943][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   23.528945][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   23.528947][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   23.528948][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   23.528950][    C0]  </IRQ>
[   23.528951][    C0]  <TASK>
[   23.528951][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   23.528953][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   23.528955][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   23.528957][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   23.528958][    C0] RSP: 0018:ffffffffb3807cf8 EFLAGS: 00000296
[   23.528959][    C0] RAX: 00000000000c84e9 RBX: ffffffffb3830600 RCX: ffffffffaff06247
[   23.528960][    C0] RDX: ffffffffb3830600 RSI: ffffffffb3111011 RDI: ffffffffb2a949e0
[   23.528961][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   23.528962][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6700fa2
[   23.528963][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   23.528964][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   23.528967][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.528969][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   23.528970][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   23.528972][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   23.528973][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   23.528975][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   23.528977][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.528979][    C0]  do_idle (kernel/sched/idle.c:355)
[   23.528980][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   23.528982][    C0]  rest_init (init/main.c:727)
[   23.528983][    C0]  ? __cpuidle_text_end (??:?)
[   23.528986][    C0]  ? rest_init (init/main.c:727)
[   23.528987][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   23.528990][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   23.528991][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   23.528993][    C0]  start_kernel (init/main.c:1185)
[   23.528996][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   23.528998][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   23.528999][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   39.006929][  T664] softirqs last disabled at (0): 0x0
| [   39.006931][  T664] Preemption disabled at:
| [   39.006931][  T664] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.006941][  T664] Tainted: [W]=WARN
[   39.006942][  T664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.006943][  T664] Call Trace:
[   39.006945][  T664]  <TASK>
[   39.006946][  T664]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.006951][  T664]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.006952][  T664]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.006956][  T664]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.006959][  T664]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   39.006961][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.006964][  T664]  __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))
[   39.006967][  T664]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.006970][  T664]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.006975][  T664]  ? 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)
[   39.006976][  T664]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.006979][  T664]  put_chars (drivers/char/virtio_console.c:1176)
[   39.006980][  T664]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   39.006982][  T664]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.006983][  T664]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   39.006986][  T664]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.006990][  T664]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.006992][  T664]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   39.006994][  T664]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   39.006997][  T664]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.006999][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007000][  T664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.007002][  T664]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.007005][  T664]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.007007][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007008][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007009][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007010][  T664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.007011][  T664]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.007013][  T664]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.007015][  T664]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.007018][  T664]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.007020][  T664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.007021][  T664]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.007023][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007024][  T664]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.007025][  T664]  ? 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)
[   39.007027][  T664]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   39.007028][  T664]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.007030][  T664]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.007031][  T664]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.007033][  T664]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.007034][  T664]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   39.007037][  T664]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   39.007040][  T664]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   39.007044][  T664]  _printk (kernel/printk/printk.c:2504)
[   39.007047][  T664]  ? snapshot_read.cold (user.c:?)
[   39.007049][  T664]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.007052][  T664]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.007054][  T664]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.007057][  T664]  ? netdev_notice (net/core/dev.c:13194)
[   39.007058][  T664]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   39.007061][  T664]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   39.007064][  T664]  ? 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)
[   39.007065][  T664]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   39.007067][  T664]  netif_set_promiscuity (net/core/dev.c:9699)
[   39.007070][  T664]  dev_set_promiscuity (net/core/dev_api.c:288)
[   39.007071][  T664]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.007074][  T664] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   39.007081][  T664] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   39.007085][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007086][  T664]  notifier_call_chain (kernel/notifier.c:85)
[   39.007089][  T664]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   39.007092][  T664]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   39.007094][  T664]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   39.007096][  T664]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.007097][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007099][  T664]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.007100][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007105][  T664]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   39.007108][  T664]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.007110][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007111][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007112][  T664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.007113][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007114][  T664]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.007116][  T664]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   39.007118][  T664]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.007120][  T664]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.007122][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007123][  T664]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.007126][  T664]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   39.007129][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007130][  T664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.007131][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007132][  T664]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.007133][  T664]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.007135][  T664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.007136][  T664]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.007139][  T664]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.007143][  T664]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.007146][  T664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.007147][  T664]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.007149][  T664]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.007150][  T664]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   39.007153][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007154][  T664]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.007156][  T664]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.007158][  T664]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.007160][  T664]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.007162][  T664]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.007164][  T664]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.007165][  T664]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.007167][  T664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.007168][  T664]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   39.007172][  T664]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   39.007174][  T664]  ____sys_sendmsg (net/socket.c:2713)
[   39.007176][  T664]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.007178][  T664]  ? sock_write_iter (net/socket.c:1269)
[   39.007179][  T664]  ? move_addr_to_kernel (net/socket.c:258)
[   39.007180][  T664]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.007183][  T664]  ___sys_sendmsg (net/socket.c:2767)
[   39.007185][  T664]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.007189][  T664]  __sys_sendmsg (net/socket.c:2799)
[   39.007192][  T664]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.007194][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.007196][  T664]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.007198][  T664]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.007200][  T664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.007201][  T664] RIP: 0033:0x7f3bd0ae554e
[   39.007203][  T664] 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
[   39.007205][  T664] RSP: 002b:00007fffe612b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.007208][  T664] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3bd0ae554e
[   39.007210][  T664] RDX: 0000000000000000 RSI: 00007fffe612b4e0 RDI: 0000000000000005
[   39.007211][  T664] RBP: 00007fffe612b440 R08: 0000000000000000 R09: 0000000000000000
[   39.007212][  T664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919317
[   39.007212][  T664] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe612bba0
| [   41.297926][  T722] softirqs last disabled at (0): 0x0
| [   41.297928][  T722] Preemption disabled at:
| [   41.297929][  T722] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.297942][  T722] Tainted: [W]=WARN
[   41.297943][  T722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.297946][  T722] Call Trace:
[   41.297947][  T722]  <TASK>
[   41.297949][  T722]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.297956][  T722]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.297958][  T722]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.297963][  T722]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.297967][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.297970][  T722]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   41.297974][  T722]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.297978][  T722]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.297984][  T722]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.297987][  T722]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.297990][  T722]  put_chars (drivers/char/virtio_console.c:1176)
[   41.297993][  T722]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.297995][  T722]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   41.297999][  T722]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.298005][  T722]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.298008][  T722]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.298010][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.298012][  T722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.298016][  T722]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.298020][  T722]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.298023][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.298025][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.298026][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.298028][  T722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.298031][  T722]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.298033][  T722]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.298037][  T722]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.298041][  T722]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.298043][  T722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.298046][  T722]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.298048][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.298050][  T722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.298052][  T722]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   41.298055][  T722]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   41.298057][  T722]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.298060][  T722]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.298062][  T722]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.298065][  T722]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.298067][  T722]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   41.298069][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.298071][  T722]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   41.298075][  T722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.298078][  T722]  _printk (kernel/printk/printk.c:2504)
[   41.298082][  T722]  ? snapshot_read.cold (user.c:?)
[   41.298085][  T722]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   41.298090][  T722]  ? idr_get_free (??:?)
[   41.298093][  T722]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   41.298097][  T722]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   41.298105][  T722]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.298110][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.298112][  T722]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   41.298116][  T722]  __nla_validate_parse (lib/nlattr.c:635)
[   41.298120][  T722]  __nla_parse (lib/nlattr.c:732)
[   41.298123][  T722]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   41.298126][  T722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.298129][  T722]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   41.298132][  T722]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   41.298137][  T722]  ? security_capable (security/security.c:660 (discriminator 11))
[   41.298141][  T722]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   41.298145][  T722]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   41.298148][  T722]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   41.298157][  T722]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.298161][  T722]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.298164][  T722]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   41.298167][  T722]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.298169][  T722]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   41.298173][  T722]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.298177][  T722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.298179][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.298181][  T722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.298184][  T722]  genl_rcv (net/netlink/genetlink.c:1218)
[   41.298186][  T722]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.298190][  T722]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.298193][  T722]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.298197][  T722]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.298199][  T722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.298202][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.298204][  T722]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.298208][  T722]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   41.298212][  T722]  __sys_sendto (net/socket.c:2281)
[   41.298215][  T722]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   41.298221][  T722]  ? fput_close_sync (fs/file_table.c:617)
[   41.298225][  T722]  ? alloc_file_clone (fs/file_table.c:479)
[   41.298228][  T722]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   41.298231][  T722]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.298233][  T722]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   41.298235][  T722]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   41.298237][  T722]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.298241][  T722]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.298243][  T722]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.298246][  T722] RIP: 0033:0x7fd82ca22312
[   41.298249][  T722] 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)
[   41.298251][  T722] RSP: 002b:00007ffdbf3f4f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   41.298256][  T722] RAX: ffffffffffffffda RBX: 00007ffdbf3f5058 RCX: 00007fd82ca22312
[   41.298258][  T722] RDX: 0000000000000040 RSI: 00007fd8285f6bf0 RDI: 0000000000000020
[   41.298260][  T722] RBP: 00007ffdbf3f4f50 R08: 00007ffdbf3f50d0 R09: 000000000000000c
[   41.298261][  T722] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd82a8820b0
[   41.298263][  T722] R13: 00007ffdbf3f5058 R14: 00007fd82c34101a R15: 00007ffdbf3f5448
| [   43.118749][  T809] softirqs last disabled at (0): 0x0
| [   43.118750][  T809] Preemption disabled at:
| [   43.118751][  T809] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.118760][  T809] Tainted: [W]=WARN
[   43.118761][  T809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.118763][  T809] Call Trace:
[   43.118764][  T809]  <TASK>
[   43.118765][  T809]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.118771][  T809]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.118772][  T809]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.118776][  T809]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.118779][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.118781][  T809]  __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))
[   43.118784][  T809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.118787][  T809]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.118792][  T809]  ? 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)
[   43.118793][  T809]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.118796][  T809]  put_chars (drivers/char/virtio_console.c:1176)
[   43.118797][  T809]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.118799][  T809]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.118801][  T809]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   43.118804][  T809]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.118808][  T809]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.118810][  T809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.118812][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.118813][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.118814][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.118816][  T809]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.118819][  T809]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.118821][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.118821][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.118822][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.118823][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.118825][  T809]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.118827][  T809]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.118833][  T809]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.118836][  T809]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.118838][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.118839][  T809]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.118841][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.118842][  T809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.118843][  T809]  ? 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)
[   43.118845][  T809]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   43.118846][  T809]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.118848][  T809]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.118849][  T809]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.118851][  T809]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.118853][  T809]  _printk (kernel/printk/printk.c:2504)
[   43.118856][  T809]  ? snapshot_read.cold (user.c:?)
[   43.118858][  T809]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   43.118860][  T809]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   43.118864][  T809]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   43.118866][  T809]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.118869][  T809]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.118871][  T809]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.118874][  T809]  ? netdev_notice (net/core/dev.c:13194)
[   43.118875][  T809]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   43.118882][  T809]  ? 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)
[   43.118884][  T809]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   43.118886][  T809]  netif_set_promiscuity (net/core/dev.c:9699)
[   43.118889][  T809]  dev_set_promiscuity (net/core/dev_api.c:288)
[   43.118890][  T809]  ? dev_disable_lro (net/core/dev_api.c:267)
[   43.118892][  T809] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   43.118896][  T809] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   43.118899][  T809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.118901][  T809] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   43.118905][  T809]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   43.118909][  T809] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   43.118912][  T809]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   43.118916][  T809]  ? __nla_validate_parse (lib/nlattr.c:635)
[   43.118920][  T809]  ? __nla_parse (lib/nlattr.c:732)
[   43.118922][  T809]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   43.118926][  T809]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   43.118928][  T809]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   43.118931][  T809]  ? security_capable (security/security.c:660 (discriminator 11))
[   43.118934][  T809]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   43.118936][  T809]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   43.118938][  T809]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   43.118942][  T809]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.118945][  T809]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.118947][  T809]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   43.118949][  T809]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.118950][  T809]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   43.118952][  T809]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.118955][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.118957][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.118958][  T809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.118960][  T809]  genl_rcv (net/netlink/genetlink.c:1218)
[   43.118961][  T809]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.118963][  T809]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.118965][  T809]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   43.118968][  T809]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   43.118970][  T809]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.118973][  T809]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.118974][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.118976][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.118977][  T809]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.118980][  T809]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   43.118983][  T809]  __sys_sendto (net/socket.c:2281)
[   43.118985][  T809]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   43.118989][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.118990][  T809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.118992][  T809]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   43.118993][  T809]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.118995][  T809]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   43.118996][  T809]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   43.118997][  T809]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.119001][  T809]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.119003][  T809]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.119005][  T809] RIP: 0033:0x7fe134bab312
[   43.119007][  T809] 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)
[   43.119008][  T809] RSP: 002b:00007fff5fbb1658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.119012][  T809] RAX: ffffffffffffffda RBX: 00007fff5fbb1788 RCX: 00007fe134bab312
[   43.119013][  T809] RDX: 0000000000000030 RSI: 00007fe133e667f0 RDI: 0000000000000023
[   43.119014][  T809] RBP: 00007fff5fbb1680 R08: 00007fff5fbb1800 R09: 000000000000000c
[   43.119015][  T809] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe132a0e270
[   43.119016][  T809] R13: 00007fff5fbb1788 R14: 00007fe1344ca01a R15: 00007fff5fbb1b78
| [   47.480274][  T896] softirqs last disabled at (0): 0x0
| [   47.480275][  T896] Preemption disabled at:
| [   47.480276][  T896] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.480286][  T896] Tainted: [W]=WARN
[   47.480287][  T896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.480288][  T896] Call Trace:
[   47.480289][  T896]  <TASK>
[   47.480291][  T896]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.480296][  T896]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.480297][  T896]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.480301][  T896]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.480304][  T896]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   47.480306][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480308][  T896]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.480311][  T896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.480314][  T896]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.480319][  T896]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.480321][  T896]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.480323][  T896]  put_chars (drivers/char/virtio_console.c:1176)
[   47.480324][  T896]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   47.480326][  T896]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.480327][  T896]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   47.480330][  T896]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.480335][  T896]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.480337][  T896]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   47.480338][  T896]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   47.480342][  T896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.480343][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480344][  T896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.480347][  T896]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.480349][  T896]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.480351][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480352][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480353][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480354][  T896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.480356][  T896]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   47.480357][  T896]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.480360][  T896]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.480362][  T896]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.480364][  T896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.480366][  T896]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.480367][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480368][  T896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.480370][  T896]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   47.480371][  T896]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   47.480372][  T896]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.480374][  T896]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.480375][  T896]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.480377][  T896]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.480378][  T896]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   47.480382][  T896]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   47.480384][  T896]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   47.480388][  T896]  _printk (kernel/printk/printk.c:2504)
[   47.480391][  T896]  ? snapshot_read.cold (user.c:?)
[   47.480393][  T896]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.480396][  T896]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.480398][  T896]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.480400][  T896]  ? netdev_notice (net/core/dev.c:13194)
[   47.480402][  T896]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   47.480404][  T896]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   47.480407][  T896]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.480408][  T896]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   47.480410][  T896]  netif_set_promiscuity (net/core/dev.c:9699)
[   47.480413][  T896]  dev_set_promiscuity (net/core/dev_api.c:288)
[   47.480415][  T896]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.480418][  T896] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   47.480424][  T896] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   47.480428][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480430][  T896]  notifier_call_chain (kernel/notifier.c:85)
[   47.480432][  T896]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   47.480435][  T896]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   47.480437][  T896]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   47.480439][  T896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.480441][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480442][  T896]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   47.480443][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480448][  T896]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   47.480451][  T896]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.480453][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480454][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480455][  T896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.480456][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480457][  T896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.480459][  T896]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   47.480461][  T896]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.480462][  T896]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.480465][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480466][  T896]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.480469][  T896]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   47.480471][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480472][  T896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.480474][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480475][  T896]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   47.480476][  T896]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.480478][  T896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.480479][  T896]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.480482][  T896]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.480486][  T896]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.480489][  T896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.480490][  T896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.480491][  T896]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.480493][  T896]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   47.480496][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480497][  T896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.480499][  T896]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.480501][  T896]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.480502][  T896]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.480504][  T896]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.480506][  T896]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.480508][  T896]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.480509][  T896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.480511][  T896]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   47.480514][  T896]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   47.480517][  T896]  ____sys_sendmsg (net/socket.c:2713)
[   47.480518][  T896]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.480520][  T896]  ? sock_write_iter (net/socket.c:1269)
[   47.480521][  T896]  ? move_addr_to_kernel (net/socket.c:258)
[   47.480522][  T896]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.480525][  T896]  ___sys_sendmsg (net/socket.c:2767)
[   47.480527][  T896]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.480531][  T896]  __sys_sendmsg (net/socket.c:2799)
[   47.480534][  T896]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.480536][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.480538][  T896]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.480540][  T896]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.480542][  T896]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.480543][  T896] RIP: 0033:0x7feb8446b54e
[   47.480545][  T896] 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
[   47.480547][  T896] RSP: 002b:00007ffca91b25a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.480550][  T896] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007feb8446b54e
[   47.480552][  T896] RDX: 0000000000000000 RSI: 00007ffca91b2650 RDI: 0000000000000005
[   47.480553][  T896] RBP: 00007ffca91b25b0 R08: 0000000000000000 R09: 0000000000000000
[   47.480553][  T896] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91931f
[   47.480554][  T896] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca91b2d10
| [   49.602638][  T954] softirqs last disabled at (0): 0x0
| [   49.602640][  T954] Preemption disabled at:
| [   49.602640][  T954] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.602650][  T954] Tainted: [W]=WARN
[   49.602651][  T954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.602652][  T954] Call Trace:
[   49.602654][  T954]  <TASK>
[   49.602655][  T954]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.602661][  T954]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.602662][  T954]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.602666][  T954]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.602669][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.602672][  T954]  __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))
[   49.602675][  T954]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.602678][  T954]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.602683][  T954]  ? 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)
[   49.602684][  T954]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.602687][  T954]  put_chars (drivers/char/virtio_console.c:1176)
[   49.602688][  T954]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.602689][  T954]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   49.602692][  T954]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.602697][  T954]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.602699][  T954]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.602700][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.602702][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.602704][  T954]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.602706][  T954]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.602708][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.602709][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.602710][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.602711][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.602713][  T954]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   49.602715][  T954]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.602717][  T954]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.602720][  T954]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.602721][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.602723][  T954]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.602724][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.602725][  T954]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.602727][  T954]  ? 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)
[   49.602728][  T954]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   49.602730][  T954]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.602731][  T954]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.602733][  T954]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.602734][  T954]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.602735][  T954]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   49.602737][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.602738][  T954]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   49.602742][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.602744][  T954]  _printk (kernel/printk/printk.c:2504)
[   49.602747][  T954]  ? snapshot_read.cold (user.c:?)
[   49.602748][  T954]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   49.602752][  T954]  ? idr_get_free (??:?)
[   49.602754][  T954]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   49.602757][  T954]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   49.602764][  T954]  ? nla_get_range_signed (lib/nlattr.c:270)
[   49.602768][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.602769][  T954]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   49.602772][  T954]  __nla_validate_parse (lib/nlattr.c:635)
[   49.602775][  T954]  __nla_parse (lib/nlattr.c:732)
[   49.602777][  T954]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   49.602779][  T954]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.602781][  T954]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   49.602783][  T954]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   49.602786][  T954]  ? security_capable (security/security.c:660 (discriminator 11))
[   49.602789][  T954]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   49.602791][  T954]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   49.602794][  T954]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   49.602800][  T954]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   49.602803][  T954]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   49.602805][  T954]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   49.602807][  T954]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.602809][  T954]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   49.602811][  T954]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.602814][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.602815][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.602816][  T954]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.602818][  T954]  genl_rcv (net/netlink/genetlink.c:1218)
[   49.602820][  T954]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.602822][  T954]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.602824][  T954]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.602826][  T954]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.602828][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.602830][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.602831][  T954]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   49.602834][  T954]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   49.602837][  T954]  __sys_sendto (net/socket.c:2281)
[   49.602839][  T954]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   49.602843][  T954]  ? fput_close_sync (fs/file_table.c:617)
[   49.602846][  T954]  ? alloc_file_clone (fs/file_table.c:479)
[   49.602848][  T954]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   49.602849][  T954]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.602851][  T954]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   49.602852][  T954]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   49.602859][  T954]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.602862][  T954]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.602864][  T954]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.602867][  T954] RIP: 0033:0x7f9535a3d312
[   49.602869][  T954] 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)
[   49.602870][  T954] RSP: 002b:00007fff0658d8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   49.602874][  T954] RAX: ffffffffffffffda RBX: 00007fff0658d9d8 RCX: 00007f9535a3d312
[   49.602875][  T954] RDX: 0000000000000044 RSI: 00007f95315fb050 RDI: 0000000000000020
[   49.602876][  T954] RBP: 00007fff0658d8d0 R08: 00007fff0658da50 R09: 000000000000000c
[   49.602877][  T954] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95338960b0
[   49.602877][  T954] R13: 00007fff0658d9d8 R14: 00007f953535c01a R15: 00007fff0658ddc8
| [   51.235218][ T1041] softirqs last disabled at (0): 0x0
| [   51.235220][ T1041] Preemption disabled at:
| [   51.235220][ T1041] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.235230][ T1041] Tainted: [W]=WARN
[   51.235231][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.235232][ T1041] Call Trace:
[   51.235234][ T1041]  <TASK>
[   51.235235][ T1041]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.235240][ T1041]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.235242][ T1041]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.235246][ T1041]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.235249][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.235251][ T1041]  __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))
[   51.235254][ T1041]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   51.235257][ T1041]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.235262][ T1041]  ? 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)
[   51.235264][ T1041]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.235266][ T1041]  put_chars (drivers/char/virtio_console.c:1176)
[   51.235268][ T1041]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.235269][ T1041]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   51.235272][ T1041]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   51.235274][ T1041]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.235278][ T1041]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.235280][ T1041]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   51.235282][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.235283][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.235284][ T1041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.235286][ T1041]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.235289][ T1041]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.235291][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.235292][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.235293][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.235294][ T1041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.235296][ T1041]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   51.235297][ T1041]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.235300][ T1041]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.235302][ T1041]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.235304][ T1041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.235305][ T1041]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.235307][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.235308][ T1041]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.235310][ T1041]  ? 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)
[   51.235311][ T1041]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   51.235312][ T1041]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.235314][ T1041]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.235316][ T1041]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.235317][ T1041]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.235319][ T1041]  _printk (kernel/printk/printk.c:2504)
[   51.235322][ T1041]  ? snapshot_read.cold (user.c:?)
[   51.235324][ T1041]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   51.235327][ T1041]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   51.235330][ T1041]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   51.235332][ T1041]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.235336][ T1041]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.235338][ T1041]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.235340][ T1041]  ? netdev_notice (net/core/dev.c:13194)
[   51.235341][ T1041]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   51.235349][ T1041]  ? 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)
[   51.235350][ T1041]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   51.235352][ T1041]  netif_set_promiscuity (net/core/dev.c:9699)
[   51.235355][ T1041]  dev_set_promiscuity (net/core/dev_api.c:288)
[   51.235357][ T1041]  ? dev_disable_lro (net/core/dev_api.c:267)
[   51.235358][ T1041] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   51.235362][ T1041] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   51.235365][ T1041]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.235367][ T1041] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   51.235372][ T1041]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   51.235375][ T1041] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   51.235379][ T1041]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   51.235382][ T1041]  ? __nla_validate_parse (lib/nlattr.c:635)
[   51.235386][ T1041]  ? __nla_parse (lib/nlattr.c:732)
[   51.235388][ T1041]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   51.235392][ T1041]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   51.235394][ T1041]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   51.235397][ T1041]  ? security_capable (security/security.c:660 (discriminator 11))
[   51.235400][ T1041]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   51.235403][ T1041]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   51.235405][ T1041]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   51.235408][ T1041]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   51.235411][ T1041]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   51.235413][ T1041]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   51.235415][ T1041]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.235417][ T1041]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   51.235419][ T1041]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.235422][ T1041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.235423][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.235424][ T1041]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.235426][ T1041]  genl_rcv (net/netlink/genetlink.c:1218)
[   51.235428][ T1041]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.235430][ T1041]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.235432][ T1041]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   51.235435][ T1041]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   51.235438][ T1041]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.235440][ T1041]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.235441][ T1041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.235443][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.235445][ T1041]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   51.235447][ T1041]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   51.235450][ T1041]  __sys_sendto (net/socket.c:2281)
[   51.235452][ T1041]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   51.235456][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.235457][ T1041]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.235459][ T1041]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   51.235461][ T1041]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.235462][ T1041]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   51.235464][ T1041]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   51.235465][ T1041]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.235468][ T1041]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.235470][ T1041]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.235472][ T1041] RIP: 0033:0x7f24989d2312
[   51.235474][ T1041] 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)
[   51.235476][ T1041] RSP: 002b:00007ffecf880f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   51.235479][ T1041] RAX: ffffffffffffffda RBX: 00007ffecf881068 RCX: 00007f24989d2312
[   51.235480][ T1041] RDX: 0000000000000030 RSI: 00007f24945ffc30 RDI: 0000000000000023
[   51.235481][ T1041] RBP: 00007ffecf880f60 R08: 00007ffecf8810e0 R09: 000000000000000c
[   51.235482][ T1041] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2496832270
[   51.235483][ T1041] R13: 00007ffecf881068 R14: 00007f24982f101a R15: 00007ffecf881458
| [   66.947942][ T1181] softirqs last disabled at (0): 0x0
| [   66.947944][ T1181] Preemption disabled at:
| [   66.947944][ T1181] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.947954][ T1181] Tainted: [W]=WARN
[   66.947955][ T1181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.947957][ T1181] Call Trace:
[   66.947958][ T1181]  <TASK>
[   66.947959][ T1181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.947965][ T1181]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.947966][ T1181]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.947970][ T1181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.947973][ T1181]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   66.947974][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.947977][ T1181]  __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))
[   66.947980][ T1181]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.947983][ T1181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.947987][ T1181]  ? 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)
[   66.947989][ T1181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.947991][ T1181]  put_chars (drivers/char/virtio_console.c:1176)
[   66.947993][ T1181]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   66.947994][ T1181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.947996][ T1181]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   66.947998][ T1181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.948003][ T1181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.948004][ T1181]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   66.948006][ T1181]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   66.948009][ T1181]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.948011][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948012][ T1181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.948014][ T1181]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.948017][ T1181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.948019][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948020][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948021][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948022][ T1181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.948024][ T1181]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   66.948025][ T1181]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.948028][ T1181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.948030][ T1181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.948032][ T1181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.948033][ T1181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.948035][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948036][ T1181]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.948037][ T1181]  ? 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)
[   66.948039][ T1181]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   66.948040][ T1181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.948042][ T1181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.948043][ T1181]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.948045][ T1181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.948046][ T1181]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   66.948050][ T1181]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   66.948053][ T1181]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   66.948056][ T1181]  _printk (kernel/printk/printk.c:2504)
[   66.948059][ T1181]  ? snapshot_read.cold (user.c:?)
[   66.948061][ T1181]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.948064][ T1181]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.948066][ T1181]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.948068][ T1181]  ? netdev_notice (net/core/dev.c:13194)
[   66.948070][ T1181]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   66.948072][ T1181]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   66.948075][ T1181]  ? 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)
[   66.948077][ T1181]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   66.948078][ T1181]  netif_set_promiscuity (net/core/dev.c:9699)
[   66.948081][ T1181]  dev_set_promiscuity (net/core/dev_api.c:288)
[   66.948083][ T1181]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.948086][ T1181] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   66.948093][ T1181] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   66.948097][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948098][ T1181]  notifier_call_chain (kernel/notifier.c:85)
[   66.948101][ T1181]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   66.948103][ T1181]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   66.948106][ T1181]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   66.948108][ T1181]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.948109][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948111][ T1181]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.948112][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948117][ T1181]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   66.948120][ T1181]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.948121][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948122][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948123][ T1181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.948125][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948126][ T1181]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.948127][ T1181]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   66.948130][ T1181]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   66.948131][ T1181]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   66.948134][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948135][ T1181]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   66.948138][ T1181]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   66.948140][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948141][ T1181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.948143][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948144][ T1181]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.948145][ T1181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.948147][ T1181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.948148][ T1181]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   66.948151][ T1181]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   66.948155][ T1181]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.948158][ T1181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.948159][ T1181]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.948160][ T1181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.948162][ T1181]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   66.948165][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948166][ T1181]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.948168][ T1181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.948170][ T1181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.948172][ T1181]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.948174][ T1181]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.948176][ T1181]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.948177][ T1181]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   66.948179][ T1181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.948180][ T1181]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   66.948183][ T1181]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   66.948186][ T1181]  ____sys_sendmsg (net/socket.c:2713)
[   66.948187][ T1181]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.948189][ T1181]  ? sock_write_iter (net/socket.c:1269)
[   66.948190][ T1181]  ? move_addr_to_kernel (net/socket.c:258)
[   66.948192][ T1181]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   66.948194][ T1181]  ___sys_sendmsg (net/socket.c:2767)
[   66.948196][ T1181]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.948201][ T1181]  __sys_sendmsg (net/socket.c:2799)
[   66.948203][ T1181]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.948206][ T1181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.948207][ T1181]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.948209][ T1181]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.948211][ T1181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.948213][ T1181] RIP: 0033:0x7f258e08254e
[   66.948214][ T1181] 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
[   66.948216][ T1181] RSP: 002b:00007ffdb51886c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.948219][ T1181] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f258e08254e
[   66.948221][ T1181] RDX: 0000000000000000 RSI: 00007ffdb5188770 RDI: 0000000000000005
[   66.948222][ T1181] RBP: 00007ffdb51886d0 R08: 0000000000000000 R09: 0000000000000000
[   66.948223][ T1181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919333
[   66.948223][ T1181] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb5188e30
| [   69.030519][ T1239] softirqs last disabled at (0): 0x0
| [   69.030521][ T1239] Preemption disabled at:
| [   69.030522][ T1239] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.030532][ T1239] Tainted: [W]=WARN
[   69.030533][ T1239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.030534][ T1239] Call Trace:
[   69.030535][ T1239]  <TASK>
[   69.030536][ T1239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.030541][ T1239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.030543][ T1239]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.030547][ T1239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.030550][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.030553][ T1239]  __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))
[   69.030555][ T1239]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   69.030558][ T1239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.030563][ T1239]  ? 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)
[   69.030565][ T1239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.030567][ T1239]  put_chars (drivers/char/virtio_console.c:1176)
[   69.030568][ T1239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.030570][ T1239]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   69.030573][ T1239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.030577][ T1239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.030579][ T1239]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   69.030584][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.030585][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.030588][ T1239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.030590][ T1239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.030592][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.030593][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.030594][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.030595][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.030597][ T1239]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   69.030599][ T1239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.030601][ T1239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.030603][ T1239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.030605][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.030607][ T1239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.030608][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.030609][ T1239]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.030611][ T1239]  ? 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)
[   69.030612][ T1239]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   69.030613][ T1239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.030615][ T1239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.030616][ T1239]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.030618][ T1239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.030619][ T1239]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   69.030621][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.030622][ T1239]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   69.030626][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.030628][ T1239]  _printk (kernel/printk/printk.c:2504)
[   69.030630][ T1239]  ? snapshot_read.cold (user.c:?)
[   69.030632][ T1239]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   69.030635][ T1239]  ? idr_get_free (??:?)
[   69.030637][ T1239]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   69.030640][ T1239]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   69.030647][ T1239]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.030651][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.030653][ T1239]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   69.030655][ T1239]  __nla_validate_parse (lib/nlattr.c:635)
[   69.030658][ T1239]  __nla_parse (lib/nlattr.c:732)
[   69.030660][ T1239]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   69.030663][ T1239]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.030664][ T1239]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   69.030666][ T1239]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   69.030670][ T1239]  ? security_capable (security/security.c:660 (discriminator 11))
[   69.030673][ T1239]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   69.030675][ T1239]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   69.030677][ T1239]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   69.030684][ T1239]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   69.030687][ T1239]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   69.030689][ T1239]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   69.030691][ T1239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.030693][ T1239]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   69.030695][ T1239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.030698][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.030699][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.030700][ T1239]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.030702][ T1239]  genl_rcv (net/netlink/genetlink.c:1218)
[   69.030704][ T1239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.030706][ T1239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.030708][ T1239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.030710][ T1239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.030712][ T1239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.030714][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.030715][ T1239]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   69.030718][ T1239]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   69.030721][ T1239]  __sys_sendto (net/socket.c:2281)
[   69.030723][ T1239]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   69.030727][ T1239]  ? fput_close_sync (fs/file_table.c:617)
[   69.030730][ T1239]  ? alloc_file_clone (fs/file_table.c:479)
[   69.030732][ T1239]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   69.030734][ T1239]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.030735][ T1239]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   69.030736][ T1239]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   69.030738][ T1239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.030740][ T1239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.030742][ T1239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.030744][ T1239] RIP: 0033:0x7fddcc7d9312
[   69.030746][ T1239] 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)
[   69.030747][ T1239] RSP: 002b:00007ffce18dbd28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   69.030751][ T1239] RAX: ffffffffffffffda RBX: 00007ffce18dbe58 RCX: 00007fddcc7d9312
[   69.030752][ T1239] RDX: 0000000000000048 RSI: 00007fddca6434b0 RDI: 0000000000000020
[   69.030753][ T1239] RBP: 00007ffce18dbd50 R08: 00007ffce18dbed0 R09: 000000000000000c
[   69.030754][ T1239] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fddca6320b0
[   69.030755][ T1239] R13: 00007ffce18dbe58 R14: 00007fddcc0f801a R15: 00007ffce18dc248
| [   70.623645][ T1325] softirqs last disabled at (0): 0x0
| [   70.623647][ T1325] Preemption disabled at:
| [   70.623647][ T1325] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.623657][ T1325] Tainted: [W]=WARN
[   70.623658][ T1325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.623659][ T1325] Call Trace:
[   70.623661][ T1325]  <TASK>
[   70.623662][ T1325]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.623668][ T1325]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.623669][ T1325]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.623672][ T1325]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.623676][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623678][ T1325]  __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))
[   70.623681][ T1325]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.623684][ T1325]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.623689][ T1325]  ? 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)
[   70.623691][ T1325]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.623693][ T1325]  put_chars (drivers/char/virtio_console.c:1176)
[   70.623694][ T1325]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.623696][ T1325]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   70.623698][ T1325]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   70.623700][ T1325]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.623705][ T1325]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.623707][ T1325]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.623708][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623709][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623710][ T1325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.623713][ T1325]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.623715][ T1325]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.623717][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623718][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623719][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623720][ T1325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.623722][ T1325]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   70.623724][ T1325]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.623726][ T1325]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.623729][ T1325]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.623730][ T1325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.623732][ T1325]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.623733][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623734][ T1325]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.623736][ T1325]  ? 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)
[   70.623737][ T1325]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   70.623739][ T1325]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.623741][ T1325]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.623742][ T1325]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.623744][ T1325]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.623746][ T1325]  _printk (kernel/printk/printk.c:2504)
[   70.623749][ T1325]  ? snapshot_read.cold (user.c:?)
[   70.623751][ T1325]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   70.623753][ T1325]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   70.623757][ T1325]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   70.623759][ T1325]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   70.623762][ T1325]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   70.623764][ T1325]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   70.623766][ T1325]  ? netdev_notice (net/core/dev.c:13194)
[   70.623768][ T1325]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   70.623775][ T1325]  ? 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)
[   70.623777][ T1325]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   70.623779][ T1325]  netif_set_promiscuity (net/core/dev.c:9699)
[   70.623782][ T1325]  dev_set_promiscuity (net/core/dev_api.c:288)
[   70.623784][ T1325]  ? dev_disable_lro (net/core/dev_api.c:267)
[   70.623785][ T1325] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   70.623789][ T1325] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   70.623792][ T1325]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.623794][ T1325] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   70.623798][ T1325]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   70.623801][ T1325] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   70.623805][ T1325]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   70.623808][ T1325]  ? __nla_validate_parse (lib/nlattr.c:635)
[   70.623813][ T1325]  ? __nla_parse (lib/nlattr.c:732)
[   70.623814][ T1325]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   70.623818][ T1325]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   70.623820][ T1325]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   70.623823][ T1325]  ? security_capable (security/security.c:660 (discriminator 11))
[   70.623826][ T1325]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   70.623829][ T1325]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   70.623831][ T1325]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   70.623834][ T1325]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   70.623837][ T1325]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   70.623839][ T1325]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   70.623841][ T1325]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.623843][ T1325]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   70.623844][ T1325]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.623847][ T1325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.623849][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623850][ T1325]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.623852][ T1325]  genl_rcv (net/netlink/genetlink.c:1218)
[   70.623853][ T1325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.623855][ T1325]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.623857][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623859][ T1325]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.623861][ T1325]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.623863][ T1325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.623864][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623866][ T1325]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   70.623868][ T1325]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   70.623871][ T1325]  __sys_sendto (net/socket.c:2281)
[   70.623873][ T1325]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   70.623877][ T1325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.623878][ T1325]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.623880][ T1325]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   70.623882][ T1325]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   70.623884][ T1325]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   70.623886][ T1325]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   70.623887][ T1325]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.623891][ T1325]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.623893][ T1325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.623894][ T1325] RIP: 0033:0x7f442a691312
[   70.623896][ T1325] 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)
[   70.623898][ T1325] RSP: 002b:00007ffcaab8cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   70.623902][ T1325] RAX: ffffffffffffffda RBX: 00007ffcaab8cd98 RCX: 00007f442a691312
[   70.623903][ T1325] RDX: 0000000000000030 RSI: 00007f442629e570 RDI: 0000000000000023
[   70.623904][ T1325] RBP: 00007ffcaab8cc90 R08: 00007ffcaab8ce10 R09: 000000000000000c
[   70.623905][ T1325] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44284ea270
[   70.623906][ T1325] R13: 00007ffcaab8cd98 R14: 00007f4429fb001a R15: 00007ffcaab8d188
| [   74.994223][ T1478] softirqs last disabled at (0): 0x0
| [   74.994225][ T1478] Preemption disabled at:
| [   74.994226][ T1478] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.994235][ T1478] Tainted: [W]=WARN
[   74.994236][ T1478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.994238][ T1478] Call Trace:
[   74.994239][ T1478]  <TASK>
[   74.994241][ T1478]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.994246][ T1478]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.994247][ T1478]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.994251][ T1478]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.994254][ T1478]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   74.994256][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994258][ T1478]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.994261][ T1478]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.994264][ T1478]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.994269][ T1478]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.994270][ T1478]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.994273][ T1478]  put_chars (drivers/char/virtio_console.c:1176)
[   74.994274][ T1478]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   74.994276][ T1478]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.994277][ T1478]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   74.994280][ T1478]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.994285][ T1478]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.994286][ T1478]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   74.994288][ T1478]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   74.994291][ T1478]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.994293][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994294][ T1478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.994297][ T1478]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.994299][ T1478]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.994301][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994302][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994303][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994304][ T1478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.994306][ T1478]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   74.994308][ T1478]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.994310][ T1478]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.994313][ T1478]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.994314][ T1478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.994316][ T1478]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.994317][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994318][ T1478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.994320][ T1478]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   74.994321][ T1478]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   74.994322][ T1478]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.994324][ T1478]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.994326][ T1478]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.994327][ T1478]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.994329][ T1478]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   74.994332][ T1478]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   74.994335][ T1478]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   74.994338][ T1478]  _printk (kernel/printk/printk.c:2504)
[   74.994341][ T1478]  ? snapshot_read.cold (user.c:?)
[   74.994343][ T1478]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   74.994346][ T1478]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   74.994348][ T1478]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   74.994350][ T1478]  ? netdev_notice (net/core/dev.c:13194)
[   74.994351][ T1478]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   74.994354][ T1478]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   74.994357][ T1478]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   74.994359][ T1478]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   74.994360][ T1478]  netif_set_promiscuity (net/core/dev.c:9699)
[   74.994363][ T1478]  dev_set_promiscuity (net/core/dev_api.c:288)
[   74.994365][ T1478]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   74.994368][ T1478] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   74.994374][ T1478] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   74.994378][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994380][ T1478]  notifier_call_chain (kernel/notifier.c:85)
[   74.994383][ T1478]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   74.994385][ T1478]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   74.994387][ T1478]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   74.994389][ T1478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.994391][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994392][ T1478]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   74.994393][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994399][ T1478]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   74.994401][ T1478]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.994403][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994404][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994405][ T1478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.994407][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994408][ T1478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.994409][ T1478]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   74.994412][ T1478]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   74.994413][ T1478]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   74.994415][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994416][ T1478]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   74.994419][ T1478]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   74.994422][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994423][ T1478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.994424][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994425][ T1478]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   74.994426][ T1478]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.994428][ T1478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.994430][ T1478]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.994432][ T1478]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   74.994436][ T1478]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.994439][ T1478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.994440][ T1478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.994442][ T1478]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.994443][ T1478]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   74.994446][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994447][ T1478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.994449][ T1478]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.994451][ T1478]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.994453][ T1478]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.994455][ T1478]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.994457][ T1478]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.994459][ T1478]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   74.994460][ T1478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.994462][ T1478]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   74.994465][ T1478]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.994468][ T1478]  ____sys_sendmsg (net/socket.c:2713)
[   74.994469][ T1478]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.994471][ T1478]  ? sock_write_iter (net/socket.c:1269)
[   74.994472][ T1478]  ? move_addr_to_kernel (net/socket.c:258)
[   74.994474][ T1478]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.994476][ T1478]  ___sys_sendmsg (net/socket.c:2767)
[   74.994478][ T1478]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.994483][ T1478]  __sys_sendmsg (net/socket.c:2799)
[   74.994485][ T1478]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.994487][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.994489][ T1478]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.994491][ T1478]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.994493][ T1478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.994494][ T1478] RIP: 0033:0x7f1cb850f54e
[   74.994496][ T1478] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   74.994498][ T1478] RSP: 002b:00007ffc5dac0f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.994501][ T1478] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1cb850f54e
[   74.994503][ T1478] RDX: 0000000000000000 RSI: 00007ffc5dac1030 RDI: 0000000000000005
[   74.994504][ T1478] RBP: 00007ffc5dac0f90 R08: 0000000000000000 R09: 0000000000000000
[   74.994504][ T1478] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91933b
[   74.994505][ T1478] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5dac16f0
| [   77.122420][ T1536] softirqs last disabled at (0): 0x0
| [   77.122422][ T1536] Preemption disabled at:
| [   77.122423][ T1536] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.122433][ T1536] Tainted: [W]=WARN
[   77.122434][ T1536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.122435][ T1536] Call Trace:
[   77.122437][ T1536]  <TASK>
[   77.122438][ T1536]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.122443][ T1536]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.122445][ T1536]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.122449][ T1536]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.122452][ T1536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.122454][ T1536]  __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))
[   77.122457][ T1536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   77.122460][ T1536]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.122465][ T1536]  ? 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)
[   77.122467][ T1536]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.122469][ T1536]  put_chars (drivers/char/virtio_console.c:1176)
[   77.122471][ T1536]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.122472][ T1536]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   77.122475][ T1536]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.122479][ T1536]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.122481][ T1536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   77.122483][ T1536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.122484][ T1536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.122487][ T1536]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.122490][ T1536]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.122492][ T1536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.122493][ T1536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.122493][ T1536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.122494][ T1536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.122496][ T1536]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   77.122498][ T1536]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.122500][ T1536]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.122503][ T1536]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.122505][ T1536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.122507][ T1536]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.122508][ T1536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.122509][ T1536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.122511][ T1536]  ? 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)
[   77.122512][ T1536]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   77.122514][ T1536]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.122515][ T1536]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.122517][ T1536]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.122519][ T1536]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.122520][ T1536]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   77.122522][ T1536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.122523][ T1536]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   77.122526][ T1536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.122528][ T1536]  _printk (kernel/printk/printk.c:2504)
[   77.122531][ T1536]  ? snapshot_read.cold (user.c:?)
[   77.122533][ T1536]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   77.122537][ T1536]  ? idr_get_free (??:?)
[   77.122538][ T1536]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   77.122542][ T1536]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   77.122548][ T1536]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.122552][ T1536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.122554][ T1536]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   77.122556][ T1536]  __nla_validate_parse (lib/nlattr.c:635)
[   77.122559][ T1536]  __nla_parse (lib/nlattr.c:732)
[   77.122561][ T1536]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   77.122564][ T1536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.122566][ T1536]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   77.122568][ T1536]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   77.122571][ T1536]  ? security_capable (security/security.c:660 (discriminator 11))
[   77.122574][ T1536]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   77.122576][ T1536]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   77.122579][ T1536]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   77.122589][ T1536]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   77.122592][ T1536]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   77.122594][ T1536]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   77.122596][ T1536]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.122598][ T1536]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   77.122600][ T1536]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.122603][ T1536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.122605][ T1536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.122606][ T1536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.122608][ T1536]  genl_rcv (net/netlink/genetlink.c:1218)
[   77.122609][ T1536]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.122612][ T1536]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.122614][ T1536]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.122616][ T1536]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.122618][ T1536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.122620][ T1536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.122621][ T1536]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   77.122624][ T1536]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   77.122627][ T1536]  __sys_sendto (net/socket.c:2281)
[   77.122630][ T1536]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   77.122633][ T1536]  ? fput_close_sync (fs/file_table.c:617)
[   77.122636][ T1536]  ? alloc_file_clone (fs/file_table.c:479)
[   77.122638][ T1536]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   77.122640][ T1536]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   77.122641][ T1536]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   77.122643][ T1536]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   77.122644][ T1536]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.122647][ T1536]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.122649][ T1536]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.122651][ T1536] RIP: 0033:0x7f6cb4d82312
[   77.122652][ T1536] 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)
[   77.122654][ T1536] RSP: 002b:00007fff4e5ca158 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   77.122658][ T1536] RAX: ffffffffffffffda RBX: 00007fff4e5ca288 RCX: 00007f6cb4d82312
[   77.122659][ T1536] RDX: 0000000000000040 RSI: 00007f6cb0956ba0 RDI: 0000000000000020
[   77.122660][ T1536] RBP: 00007fff4e5ca180 R08: 00007fff4e5ca300 R09: 000000000000000c
[   77.122661][ T1536] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6cb2be20b0
[   77.122662][ T1536] R13: 00007fff4e5ca288 R14: 00007f6cb46a101a R15: 00007fff4e5ca678
| [   78.527155][ T1608] softirqs last disabled at (0): 0x0
| [   78.527156][ T1608] Preemption disabled at:
| [   78.527157][ T1608] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.527167][ T1608] Tainted: [W]=WARN
[   78.527168][ T1608] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.527170][ T1608] Call Trace:
[   78.527171][ T1608]  <TASK>
[   78.527172][ T1608]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.527178][ T1608]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.527179][ T1608]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.527183][ T1608]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.527186][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527189][ T1608]  __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))
[   78.527192][ T1608]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   78.527195][ T1608]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.527200][ T1608]  ? 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)
[   78.527201][ T1608]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.527204][ T1608]  put_chars (drivers/char/virtio_console.c:1176)
[   78.527205][ T1608]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.527207][ T1608]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   78.527209][ T1608]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   78.527211][ T1608]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.527216][ T1608]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.527218][ T1608]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   78.527220][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527221][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527222][ T1608]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.527224][ T1608]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.527227][ T1608]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.527229][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527230][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527230][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527231][ T1608]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.527233][ T1608]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   78.527235][ T1608]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.527237][ T1608]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.527240][ T1608]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.527242][ T1608]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.527243][ T1608]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.527245][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527246][ T1608]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   78.527247][ T1608]  ? 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)
[   78.527249][ T1608]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   78.527250][ T1608]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.527252][ T1608]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.527253][ T1608]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.527255][ T1608]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.527257][ T1608]  _printk (kernel/printk/printk.c:2504)
[   78.527260][ T1608]  ? snapshot_read.cold (user.c:?)
[   78.527261][ T1608]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   78.527264][ T1608]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   78.527268][ T1608]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   78.527270][ T1608]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   78.527273][ T1608]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   78.527275][ T1608]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   78.527277][ T1608]  ? netdev_notice (net/core/dev.c:13194)
[   78.527279][ T1608]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   78.527286][ T1608]  ? 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)
[   78.527288][ T1608]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   78.527290][ T1608]  netif_set_promiscuity (net/core/dev.c:9699)
[   78.527293][ T1608]  dev_set_promiscuity (net/core/dev_api.c:288)
[   78.527294][ T1608]  ? dev_disable_lro (net/core/dev_api.c:267)
[   78.527296][ T1608] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   78.527300][ T1608] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   78.527303][ T1608]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   78.527305][ T1608] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   78.527309][ T1608]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   78.527313][ T1608] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   78.527317][ T1608]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   78.527320][ T1608]  ? __nla_validate_parse (lib/nlattr.c:635)
[   78.527324][ T1608]  ? __nla_parse (lib/nlattr.c:732)
[   78.527326][ T1608]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   78.527330][ T1608]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   78.527332][ T1608]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   78.527336][ T1608]  ? security_capable (security/security.c:660 (discriminator 11))
[   78.527339][ T1608]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   78.527341][ T1608]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   78.527343][ T1608]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   78.527346][ T1608]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   78.527349][ T1608]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   78.527351][ T1608]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   78.527353][ T1608]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.527355][ T1608]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   78.527357][ T1608]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.527360][ T1608]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.527361][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527362][ T1608]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   78.527364][ T1608]  genl_rcv (net/netlink/genetlink.c:1218)
[   78.527366][ T1608]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.527368][ T1608]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.527370][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527372][ T1608]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.527374][ T1608]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   78.527376][ T1608]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.527377][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527379][ T1608]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   78.527381][ T1608]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   78.527385][ T1608]  __sys_sendto (net/socket.c:2281)
[   78.527387][ T1608]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   78.527390][ T1608]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.527391][ T1608]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   78.527394][ T1608]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   78.527395][ T1608]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.527398][ T1608]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   78.527400][ T1608]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   78.527401][ T1608]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.527405][ T1608]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   78.527406][ T1608]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.527408][ T1608] RIP: 0033:0x7f17fc796312
[   78.527410][ T1608] 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)
[   78.527412][ T1608] RSP: 002b:00007ffe6700bf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   78.527415][ T1608] RAX: ffffffffffffffda RBX: 00007ffe6700c098 RCX: 00007f17fc796312
[   78.527417][ T1608] RDX: 0000000000000034 RSI: 00007f17f83d6b70 RDI: 0000000000000023
[   78.527418][ T1608] RBP: 00007ffe6700bf90 R08: 00007ffe6700c110 R09: 000000000000000c
[   78.527419][ T1608] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17fa5f6190
[   78.527419][ T1608] R13: 00007ffe6700c098 R14: 00007f17fc0b501a R15: 00007ffe6700c488
| [   80.365820][ T1678] softirqs last disabled at (0): 0x0
| [   80.365822][ T1678] Preemption disabled at:
| [   80.365822][ T1678] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.365832][ T1678] Tainted: [W]=WARN
[   80.365833][ T1678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.365834][ T1678] Call Trace:
[   80.365836][ T1678]  <TASK>
[   80.365837][ T1678]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.365843][ T1678]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.365844][ T1678]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.365847][ T1678]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.365850][ T1678]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   80.365854][ T1678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.365856][ T1678]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   80.365859][ T1678]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.365862][ T1678]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.365867][ T1678]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   80.365869][ T1678]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.365871][ T1678]  put_chars (drivers/char/virtio_console.c:1176)
[   80.365872][ T1678]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.365874][ T1678]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   80.365877][ T1678]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.365881][ T1678]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.365883][ T1678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.365884][ T1678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.365887][ T1678]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.365889][ T1678]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.365891][ T1678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.365892][ T1678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.365893][ T1678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.365894][ T1678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.365896][ T1678]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   80.365897][ T1678]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.365900][ T1678]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.365902][ T1678]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.365904][ T1678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.365906][ T1678]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.365907][ T1678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.365908][ T1678]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.365909][ T1678]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   80.365911][ T1678]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   80.365912][ T1678]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.365914][ T1678]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.365915][ T1678]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.365917][ T1678]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.365918][ T1678]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   80.365922][ T1678]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   80.365925][ T1678]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   80.365929][ T1678]  _printk (kernel/printk/printk.c:2504)
[   80.365932][ T1678]  ? snapshot_read.cold (user.c:?)
[   80.365934][ T1678]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.365937][ T1678]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.365939][ T1678]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.365941][ T1678]  ? netdev_notice (net/core/dev.c:13194)
[   80.365942][ T1678]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   80.365945][ T1678]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   80.365948][ T1678]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   80.365950][ T1678]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   80.365951][ T1678]  netif_set_promiscuity (net/core/dev.c:9699)
[   80.365954][ T1678]  dev_set_promiscuity (net/core/dev_api.c:288)
[   80.365956][ T1678]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   80.365959][ T1678] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   80.365965][ T1678]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[   80.365974][ T1678] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[   80.365977][ T1678] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[   80.365983][ T1678]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   80.365987][ T1678]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   80.365990][ T1678]  ? security_capable (security/security.c:660 (discriminator 11))
[   80.365993][ T1678]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   80.365995][ T1678]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   80.365997][ T1678]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[   80.366001][ T1678]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.366004][ T1678]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.366007][ T1678]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   80.366009][ T1678]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.366011][ T1678]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   80.366013][ T1678]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.366015][ T1678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.366017][ T1678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.366018][ T1678]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.366020][ T1678]  genl_rcv (net/netlink/genetlink.c:1218)
[   80.366021][ T1678]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.366023][ T1678]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.366025][ T1678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.366027][ T1678]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.366029][ T1678]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.366031][ T1678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.366032][ T1678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.366034][ T1678]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   80.366036][ T1678]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   80.366039][ T1678]  __sys_sendto (net/socket.c:2281)
[   80.366041][ T1678]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   80.366045][ T1678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.366046][ T1678]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.366048][ T1678]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   80.366049][ T1678]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   80.366052][ T1678]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   80.366053][ T1678]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   80.366055][ T1678]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.366058][ T1678]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.366060][ T1678]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.366061][ T1678] RIP: 0033:0x7f8cafd73312
[   80.366063][ T1678] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   80.366065][ T1678] RSP: 002b:00007ffebbba1618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   80.366068][ T1678] RAX: ffffffffffffffda RBX: 00007ffebbba1748 RCX: 00007f8cafd73312
[   80.366070][ T1678] RDX: 0000000000000024 RSI: 00007f8cac19b420 RDI: 0000000000000023
[   80.366071][ T1678] RBP: 00007ffebbba1640 R08: 00007ffebbba17c0 R09: 000000000000000c
[   80.366071][ T1678] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8cadbd6270
[   80.366072][ T1678] R13: 00007ffebbba1748 R14: 00007f8caf69201a R15: 00007ffebbba1b38
| [   81.406254][ T1714] softirqs last disabled at (0): 0x0
| [   81.406255][ T1714] Preemption disabled at:
| [   81.406256][ T1714] vprintk_emit (kernel/printk/printk.c:2471)
| [   81.406266][ T1714] Tainted: [W]=WARN
[   81.406267][ T1714] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.406268][ T1714] Call Trace:
[   81.406270][ T1714]  <TASK>
[   81.406271][ T1714]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   81.406277][ T1714]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   81.406278][ T1714]  __might_resched.cold (kernel/sched/core.c:9234)
[   81.406282][ T1714]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   81.406285][ T1714]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   81.406288][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406290][ T1714]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   81.406293][ T1714]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   81.406296][ T1714]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.406301][ T1714]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   81.406302][ T1714]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.406305][ T1714]  put_chars (drivers/char/virtio_console.c:1176)
[   81.406306][ T1714]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   81.406308][ T1714]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   81.406311][ T1714]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   81.406315][ T1714]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   81.406317][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406318][ T1714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.406321][ T1714]  console_emit_next_record (kernel/printk/printk.c:3183)
[   81.406323][ T1714]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   81.406325][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406326][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406327][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406328][ T1714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.406330][ T1714]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   81.406332][ T1714]  console_flush_one_record (kernel/printk/printk.c:3268)
[   81.406334][ T1714]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   81.406336][ T1714]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   81.406338][ T1714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.406340][ T1714]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   81.406341][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406342][ T1714]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   81.406344][ T1714]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   81.406345][ T1714]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   81.406347][ T1714]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   81.406348][ T1714]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   81.406350][ T1714]  vprintk_emit (kernel/printk/printk.c:2479)
[   81.406351][ T1714]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   81.406353][ T1714]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   81.406354][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406355][ T1714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.406357][ T1714]  _printk (kernel/printk/printk.c:2504)
[   81.406360][ T1714]  ? snapshot_read.cold (user.c:?)
[   81.406361][ T1714]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   81.406365][ T1714]  ? idr_get_free (??:?)
[   81.406367][ T1714]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[   81.406374][ T1714]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   81.406377][ T1714] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[   81.406382][ T1714]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   81.406386][ T1714]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   81.406388][ T1714]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[   81.406391][ T1714]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   81.406393][ T1714]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   81.406395][ T1714]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.406396][ T1714]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   81.406398][ T1714]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   81.406400][ T1714]  ? __sys_sendto (net/socket.c:2281)
[   81.406402][ T1714]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   81.406408][ T1714]  ? __nla_parse (lib/nlattr.c:732)
[   81.406412][ T1714]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   81.406414][ T1714]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   81.406416][ T1714]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   81.406420][ T1714]  ? security_capable (security/security.c:660 (discriminator 11))
[   81.406423][ T1714]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   81.406425][ T1714]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   81.406427][ T1714]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   81.406430][ T1714]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   81.406433][ T1714]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   81.406435][ T1714]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   81.406437][ T1714]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   81.406439][ T1714]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   81.406441][ T1714]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.406444][ T1714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.406445][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406446][ T1714]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   81.406448][ T1714]  genl_rcv (net/netlink/genetlink.c:1218)
[   81.406450][ T1714]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.406452][ T1714]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.406454][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406456][ T1714]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   81.406458][ T1714]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   81.406459][ T1714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.406461][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406462][ T1714]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   81.406464][ T1714]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   81.406467][ T1714]  __sys_sendto (net/socket.c:2281)
[   81.406468][ T1714]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   81.406472][ T1714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.406473][ T1714]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   81.406475][ T1714]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   81.406477][ T1714]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   81.406478][ T1714]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   81.406480][ T1714]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   81.406481][ T1714]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   81.406483][ T1714]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   81.406485][ T1714]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.406487][ T1714] RIP: 0033:0x7f05b7afa312
[   81.406489][ T1714] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   81.406491][ T1714] RSP: 002b:00007fff80b97a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   81.406494][ T1714] RAX: ffffffffffffffda RBX: 00007fff80b97b98 RCX: 00007f05b7afa312
[   81.406495][ T1714] RDX: 00000000000000e4 RSI: 00007f05b46d9e30 RDI: 0000000000000026
[   81.406496][ T1714] RBP: 00007fff80b97a90 R08: 00007fff80b97c10 R09: 000000000000000c
[   81.406497][ T1714] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f05b595a2e0
[   81.406498][ T1714] R13: 00007fff80b97b98 R14: 00007f05b741901a R15: 00007fff80b97f88
| [   82.746722][ T1770] softirqs last disabled at (0): 0x0
| [   82.746724][ T1770] Preemption disabled at:
| [   82.746725][ T1770] vprintk_emit (kernel/printk/printk.c:2471)
| [   82.746735][ T1770] Tainted: [W]=WARN
[   82.746736][ T1770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.746737][ T1770] Call Trace:
[   82.746739][ T1770]  <TASK>
[   82.746740][ T1770]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   82.746745][ T1770]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   82.746747][ T1770]  __might_resched.cold (kernel/sched/core.c:9234)
[   82.746750][ T1770]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   82.746754][ T1770]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   82.746757][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.746760][ T1770]  __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))
[   82.746763][ T1770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   82.746766][ T1770]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.746771][ T1770]  ? 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)
[   82.746772][ T1770]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.746775][ T1770]  put_chars (drivers/char/virtio_console.c:1176)
[   82.746777][ T1770]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   82.746778][ T1770]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   82.746781][ T1770]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   82.746786][ T1770]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   82.746788][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.746789][ T1770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.746791][ T1770]  console_emit_next_record (kernel/printk/printk.c:3183)
[   82.746794][ T1770]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   82.746796][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.746797][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.746798][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.746799][ T1770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.746801][ T1770]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   82.746803][ T1770]  console_flush_one_record (kernel/printk/printk.c:3268)
[   82.746805][ T1770]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   82.746808][ T1770]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   82.746810][ T1770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.746811][ T1770]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   82.746813][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.746814][ T1770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.746816][ T1770]  ? 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)
[   82.746817][ T1770]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   82.746818][ T1770]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   82.746820][ T1770]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   82.746822][ T1770]  vprintk_emit (kernel/printk/printk.c:2479)
[   82.746824][ T1770]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   82.746825][ T1770]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.746827][ T1770]  _printk (kernel/printk/printk.c:2504)
[   82.746830][ T1770]  ? snapshot_read.cold (user.c:?)
[   82.746832][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.746833][ T1770]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   82.746837][ T1770]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   82.746839][ T1770]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   82.746841][ T1770]  ? netdev_notice (net/core/dev.c:13194)
[   82.746843][ T1770]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[   82.746850][ T1770]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   82.746853][ T1770]  ? 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)
[   82.746855][ T1770]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   82.746857][ T1770]  netif_set_promiscuity (net/core/dev.c:9699)
[   82.746862][ T1770]  dev_set_promiscuity (net/core/dev_api.c:288)
[   82.746864][ T1770] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[   82.746868][ T1770] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[   82.746873][ T1770] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[   82.746877][ T1770]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   82.746881][ T1770]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   82.746884][ T1770]  ? security_capable (security/security.c:660 (discriminator 11))
[   82.746887][ T1770]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   82.746890][ T1770]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   82.746892][ T1770]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[   82.746895][ T1770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   82.746898][ T1770]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   82.746902][ T1770]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   82.746904][ T1770]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   82.746906][ T1770]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   82.746908][ T1770]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.746911][ T1770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.746912][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.746913][ T1770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.746915][ T1770]  genl_rcv (net/netlink/genetlink.c:1218)
[   82.746917][ T1770]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.746919][ T1770]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.746921][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.746922][ T1770]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   82.746924][ T1770]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   82.746927][ T1770]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   82.746928][ T1770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.746930][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.746932][ T1770]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   82.746935][ T1770]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   82.746938][ T1770]  __sys_sendto (net/socket.c:2281)
[   82.746940][ T1770]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   82.746944][ T1770]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   82.746946][ T1770]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   82.746949][ T1770]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   82.746950][ T1770]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   82.746952][ T1770]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   82.746955][ T1770]  ? irq_exit_rcu (kernel/softirq.c:786)
[   82.746957][ T1770]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.746959][ T1770] RIP: 0033:0x7f8f4135b312
[   82.746960][ T1770] 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)
[   82.746962][ T1770] RSP: 002b:00007ffe1bc628f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   82.746966][ T1770] RAX: ffffffffffffffda RBX: 00007ffe1bc62a28 RCX: 00007f8f4135b312
[   82.746967][ T1770] RDX: 0000000000000020 RSI: 00007f8f3cede100 RDI: 0000000000000020
[   82.746968][ T1770] RBP: 00007ffe1bc62920 R08: 00007ffe1bc62aa0 R09: 000000000000000c
[   82.746969][ T1770] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8f3f1be0b0
[   82.746970][ T1770] R13: 00007ffe1bc62a28 R14: 00007f8f40c7a01a R15: 00007ffe1bc62e18
| [   84.780761][ T1829] softirqs last disabled at (0): 0x0
| [   84.780762][ T1829] Preemption disabled at:
| [   84.780763][ T1829] vprintk_emit (kernel/printk/printk.c:2471)
| [   84.780773][ T1829] Tainted: [W]=WARN
[   84.780774][ T1829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.780775][ T1829] Call Trace:
[   84.780777][ T1829]  <TASK>
[   84.780778][ T1829]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   84.780783][ T1829]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   84.780785][ T1829]  __might_resched.cold (kernel/sched/core.c:9234)
[   84.780789][ T1829]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   84.780792][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.780795][ T1829]  __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))
[   84.780798][ T1829]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   84.780800][ T1829]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.780805][ T1829]  ? 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)
[   84.780807][ T1829]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.780809][ T1829]  put_chars (drivers/char/virtio_console.c:1176)
[   84.780811][ T1829]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   84.780812][ T1829]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   84.780814][ T1829]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   84.780816][ T1829]  ? pointer (lib/vsprintf.c:2577)
[   84.780819][ T1829]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   84.780824][ T1829]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   84.780826][ T1829]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   84.780827][ T1829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.780830][ T1829]  console_emit_next_record (kernel/printk/printk.c:3183)
[   84.780833][ T1829]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   84.780834][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.780835][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.780836][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.780837][ T1829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.780839][ T1829]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   84.780841][ T1829]  console_flush_one_record (kernel/printk/printk.c:3268)
[   84.780843][ T1829]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   84.780846][ T1829]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   84.780847][ T1829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.780849][ T1829]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   84.780851][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.780851][ T1829]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   84.780853][ T1829]  ? 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)
[   84.780854][ T1829]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   84.780856][ T1829]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   84.780858][ T1829]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   84.780859][ T1829]  vprintk_emit (kernel/printk/printk.c:2479)
[   84.780861][ T1829]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   84.780862][ T1829]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   84.780865][ T1829]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   84.780868][ T1829]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   84.780870][ T1829]  _printk (kernel/printk/printk.c:2504)
[   84.780873][ T1829]  ? snapshot_read.cold (user.c:?)
[   84.780875][ T1829]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   84.780878][ T1829]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   84.780880][ T1829]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   84.780882][ T1829]  ? netdev_notice (net/core/dev.c:13194)
[   84.780884][ T1829]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   84.780888][ T1829]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[   84.780891][ T1829]  ? register_netdevice (net/core/dev.c:11556)
[   84.780894][ T1829]  ? 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)
[   84.780895][ T1829]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   84.780897][ T1829]  ? unregister_netdev (net/core/dev.c:12699)
[   84.780898][ T1829]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[   84.780901][ T1829]  netif_set_promiscuity (net/core/dev.c:9699)
[   84.780903][ T1829]  dev_set_promiscuity (net/core/dev_api.c:288)
[   84.780905][ T1829] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[   84.780912][ T1829] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   84.780916][ T1829] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   84.780920][ T1829] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[   84.780924][ T1829]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   84.780927][ T1829]  ? __nla_validate_parse (lib/nlattr.c:635)
[   84.780932][ T1829]  ? __nla_parse (lib/nlattr.c:732)
[   84.780934][ T1829]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   84.780936][ T1829]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   84.780938][ T1829]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   84.780942][ T1829]  ? security_capable (security/security.c:660 (discriminator 11))
[   84.780944][ T1829]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   84.780947][ T1829]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   84.780949][ T1829]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   84.780952][ T1829]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   84.780955][ T1829]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   84.780957][ T1829]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   84.780959][ T1829]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.780960][ T1829]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   84.780962][ T1829]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.780965][ T1829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.780966][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.780968][ T1829]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   84.780969][ T1829]  genl_rcv (net/netlink/genetlink.c:1218)
[   84.780971][ T1829]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.780973][ T1829]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.780975][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.780976][ T1829]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.780979][ T1829]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   84.780980][ T1829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.780987][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.780988][ T1829]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.780991][ T1829]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   84.780994][ T1829]  __sys_sendto (net/socket.c:2281)
[   84.780996][ T1829]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   84.780999][ T1829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.781000][ T1829]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   84.781003][ T1829]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   84.781004][ T1829]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   84.781006][ T1829]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   84.781007][ T1829]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   84.781008][ T1829]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.781011][ T1829]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   84.781013][ T1829]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.781015][ T1829] RIP: 0033:0x7f83602b0312
[   84.781017][ T1829] 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)
[   84.781018][ T1829] RSP: 002b:00007ffcaa855c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   84.781022][ T1829] RAX: ffffffffffffffda RBX: 00007ffcaa855db8 RCX: 00007f83602b0312
[   84.781023][ T1829] RDX: 0000000000000030 RSI: 00007f835c6b8970 RDI: 0000000000000020
[   84.781024][ T1829] RBP: 00007ffcaa855cb0 R08: 00007ffcaa855e30 R09: 000000000000000c
[   84.781025][ T1829] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f835e11a0b0
[   84.781026][ T1829] R13: 00007ffcaa855db8 R14: 00007f835fbcf01a R15: 00007ffcaa8561a8
| [   88.487229][ T1908] softirqs last disabled at (0): 0x0
| [   88.487231][ T1908] Preemption disabled at:
| [   88.487232][ T1908] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.487241][ T1908] Tainted: [W]=WARN
[   88.487242][ T1908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.487244][ T1908] Call Trace:
[   88.487245][ T1908]  <TASK>
[   88.487246][ T1908]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.487252][ T1908]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.487253][ T1908]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.487256][ T1908]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.487260][ T1908]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   88.487262][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487264][ T1908]  __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))
[   88.487267][ T1908]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.487270][ T1908]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.487275][ T1908]  ? 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)
[   88.487276][ T1908]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.487279][ T1908]  put_chars (drivers/char/virtio_console.c:1176)
[   88.487280][ T1908]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   88.487282][ T1908]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.487283][ T1908]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   88.487286][ T1908]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.487290][ T1908]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.487292][ T1908]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   88.487294][ T1908]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   88.487297][ T1908]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.487299][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487300][ T1908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.487302][ T1908]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.487305][ T1908]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.487307][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487308][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487309][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487310][ T1908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.487311][ T1908]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.487313][ T1908]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.487316][ T1908]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.487318][ T1908]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.487320][ T1908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.487321][ T1908]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.487323][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487324][ T1908]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.487325][ T1908]  ? 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)
[   88.487327][ T1908]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   88.487328][ T1908]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.487330][ T1908]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.487332][ T1908]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.487333][ T1908]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.487334][ T1908]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   88.487338][ T1908]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   88.487341][ T1908]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   88.487344][ T1908]  _printk (kernel/printk/printk.c:2504)
[   88.487347][ T1908]  ? snapshot_read.cold (user.c:?)
[   88.487349][ T1908]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   88.487352][ T1908]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   88.487354][ T1908]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   88.487356][ T1908]  ? netdev_notice (net/core/dev.c:13194)
[   88.487358][ T1908]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   88.487361][ T1908]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   88.487363][ T1908]  ? 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)
[   88.487365][ T1908]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   88.487367][ T1908]  netif_set_promiscuity (net/core/dev.c:9699)
[   88.487369][ T1908]  dev_set_promiscuity (net/core/dev_api.c:288)
[   88.487371][ T1908]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.487374][ T1908] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   88.487383][ T1908] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   88.487387][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487389][ T1908]  notifier_call_chain (kernel/notifier.c:85)
[   88.487392][ T1908]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   88.487394][ T1908]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   88.487396][ T1908]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   88.487398][ T1908]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.487400][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487401][ T1908]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   88.487402][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487408][ T1908]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   88.487410][ T1908]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.487412][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487413][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487414][ T1908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.487415][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487416][ T1908]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.487418][ T1908]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   88.487421][ T1908]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.487422][ T1908]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.487424][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487425][ T1908]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.487428][ T1908]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   88.487431][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487432][ T1908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.487433][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487434][ T1908]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   88.487436][ T1908]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.487437][ T1908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.487439][ T1908]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.487441][ T1908]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.487445][ T1908]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.487448][ T1908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.487449][ T1908]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.487451][ T1908]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.487452][ T1908]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   88.487455][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487456][ T1908]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.487458][ T1908]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.487460][ T1908]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.487462][ T1908]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.487464][ T1908]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.487466][ T1908]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.487467][ T1908]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.487469][ T1908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.487470][ T1908]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   88.487474][ T1908]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   88.487476][ T1908]  ____sys_sendmsg (net/socket.c:2713)
[   88.487478][ T1908]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.487480][ T1908]  ? sock_write_iter (net/socket.c:1269)
[   88.487481][ T1908]  ? move_addr_to_kernel (net/socket.c:258)
[   88.487483][ T1908]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.487485][ T1908]  ___sys_sendmsg (net/socket.c:2767)
[   88.487487][ T1908]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.487492][ T1908]  __sys_sendmsg (net/socket.c:2799)
[   88.487494][ T1908]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.487496][ T1908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.487498][ T1908]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.487500][ T1908]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.487502][ T1908]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.487503][ T1908] RIP: 0033:0x7f604e09b54e
[   88.487505][ T1908] 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
[   88.487507][ T1908] RSP: 002b:00007ffdba88da10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.487511][ T1908] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f604e09b54e
[   88.487512][ T1908] RDX: 0000000000000000 RSI: 00007ffdba88dac0 RDI: 0000000000000005
[   88.487513][ T1908] RBP: 00007ffdba88da20 R08: 0000000000000000 R09: 0000000000000000
[   88.487514][ T1908] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919348
[   88.487514][ T1908] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdba88e180
| [   90.485484][ T1961] softirqs last disabled at (0): 0x0
| [   90.485486][ T1961] Preemption disabled at:
| [   90.485487][ T1961] vprintk_emit (kernel/printk/printk.c:2471)
| [   90.485496][ T1961] Tainted: [W]=WARN
[   90.485497][ T1961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.485498][ T1961] Call Trace:
[   90.485499][ T1961]  <TASK>
[   90.485501][ T1961]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   90.485506][ T1961]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   90.485508][ T1961]  __might_resched.cold (kernel/sched/core.c:9234)
[   90.485511][ T1961]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   90.485515][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.485517][ T1961]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   90.485520][ T1961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   90.485524][ T1961]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.485529][ T1961]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   90.485530][ T1961]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.485533][ T1961]  put_chars (drivers/char/virtio_console.c:1176)
[   90.485534][ T1961]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   90.485535][ T1961]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   90.485537][ T1961]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   90.485539][ T1961]  ? pointer (lib/vsprintf.c:2577)
[   90.485543][ T1961]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   90.485547][ T1961]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   90.485549][ T1961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   90.485551][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.485553][ T1961]  console_emit_next_record (kernel/printk/printk.c:3183)
[   90.485556][ T1961]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   90.485558][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.485559][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.485560][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.485560][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.485562][ T1961]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   90.485564][ T1961]  console_flush_one_record (kernel/printk/printk.c:3268)
[   90.485566][ T1961]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   90.485569][ T1961]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   90.485571][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.485572][ T1961]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   90.485574][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.485574][ T1961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.485576][ T1961]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   90.485577][ T1961]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   90.485579][ T1961]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   90.485584][ T1961]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   90.485585][ T1961]  vprintk_emit (kernel/printk/printk.c:2479)
[   90.485587][ T1961]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   90.485588][ T1961]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   90.485591][ T1961]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   90.485593][ T1961]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   90.485596][ T1961]  _printk (kernel/printk/printk.c:2504)
[   90.485599][ T1961]  ? snapshot_read.cold (user.c:?)
[   90.485601][ T1961]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   90.485604][ T1961]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   90.485606][ T1961]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   90.485608][ T1961]  ? netdev_notice (net/core/dev.c:13194)
[   90.485610][ T1961]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   90.485614][ T1961]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[   90.485617][ T1961]  ? register_netdevice (net/core/dev.c:11556)
[   90.485620][ T1961]  ? 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)
[   90.485621][ T1961]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   90.485623][ T1961]  ? unregister_netdev (net/core/dev.c:12699)
[   90.485624][ T1961]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[   90.485626][ T1961]  netif_set_promiscuity (net/core/dev.c:9699)
[   90.485629][ T1961]  dev_set_promiscuity (net/core/dev_api.c:288)
[   90.485631][ T1961] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[   90.485638][ T1961] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   90.485641][ T1961] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   90.485646][ T1961] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[   90.485650][ T1961]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   90.485653][ T1961]  ? __nla_validate_parse (lib/nlattr.c:635)
[   90.485658][ T1961]  ? __nla_parse (lib/nlattr.c:732)
[   90.485660][ T1961]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   90.485662][ T1961]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   90.485664][ T1961]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   90.485667][ T1961]  ? security_capable (security/security.c:660 (discriminator 11))
[   90.485670][ T1961]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   90.485673][ T1961]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   90.485675][ T1961]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   90.485678][ T1961]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   90.485681][ T1961]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   90.485683][ T1961]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   90.485685][ T1961]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.485686][ T1961]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   90.485688][ T1961]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.485691][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.485692][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.485694][ T1961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.485695][ T1961]  genl_rcv (net/netlink/genetlink.c:1218)
[   90.485697][ T1961]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.485699][ T1961]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.485701][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.485703][ T1961]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.485705][ T1961]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   90.485707][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.485708][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.485710][ T1961]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   90.485712][ T1961]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   90.485715][ T1961]  __sys_sendto (net/socket.c:2281)
[   90.485717][ T1961]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   90.485721][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.485722][ T1961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.485724][ T1961]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   90.485726][ T1961]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   90.485727][ T1961]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   90.485729][ T1961]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   90.485730][ T1961]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.485732][ T1961]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   90.485734][ T1961]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.485736][ T1961] RIP: 0033:0x7f1651531312
[   90.485738][ T1961] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   90.485739][ T1961] RSP: 002b:00007ffd493dbbc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   90.485743][ T1961] RAX: ffffffffffffffda RBX: 00007ffd493dbcf8 RCX: 00007f1651531312
[   90.485744][ T1961] RDX: 0000000000000034 RSI: 00007f164d120df0 RDI: 0000000000000020
[   90.485745][ T1961] RBP: 00007ffd493dbbf0 R08: 00007ffd493dbd70 R09: 000000000000000c
[   90.485746][ T1961] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f164f38a0b0
[   90.485747][ T1961] R13: 00007ffd493dbcf8 R14: 00007f1650e5001a R15: 00007ffd493dc0e8
| [   91.852045][ T2028] softirqs last disabled at (0): 0x0
| [   91.852047][ T2028] Preemption disabled at:
| [   91.852048][ T2028] vprintk_emit (kernel/printk/printk.c:2471)
| [   91.852058][ T2028] Tainted: [W]=WARN
[   91.852059][ T2028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.852060][ T2028] Call Trace:
[   91.852061][ T2028]  <TASK>
[   91.852063][ T2028]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.852068][ T2028]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   91.852069][ T2028]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.852073][ T2028]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.852076][ T2028]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   91.852080][ T2028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.852082][ T2028]  __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))
[   91.852085][ T2028]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   91.852088][ T2028]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.852093][ T2028]  ? 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)
[   91.852095][ T2028]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.852097][ T2028]  put_chars (drivers/char/virtio_console.c:1176)
[   91.852099][ T2028]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.852100][ T2028]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   91.852103][ T2028]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.852108][ T2028]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.852110][ T2028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.852111][ T2028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.852113][ T2028]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.852116][ T2028]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.852118][ T2028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.852119][ T2028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.852120][ T2028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.852121][ T2028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.852123][ T2028]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   91.852124][ T2028]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.852127][ T2028]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.852129][ T2028]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.852131][ T2028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.852133][ T2028]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.852134][ T2028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.852135][ T2028]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.852137][ T2028]  ? 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)
[   91.852138][ T2028]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   91.852140][ T2028]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.852141][ T2028]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.852143][ T2028]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.852144][ T2028]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.852146][ T2028]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   91.852150][ T2028]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   91.852153][ T2028]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   91.852156][ T2028]  _printk (kernel/printk/printk.c:2504)
[   91.852159][ T2028]  ? snapshot_read.cold (user.c:?)
[   91.852161][ T2028]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   91.852164][ T2028]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   91.852166][ T2028]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   91.852169][ T2028]  ? netdev_notice (net/core/dev.c:13194)
[   91.852170][ T2028]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   91.852173][ T2028]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   91.852176][ T2028]  ? 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)
[   91.852178][ T2028]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   91.852180][ T2028]  netif_set_promiscuity (net/core/dev.c:9699)
[   91.852182][ T2028]  dev_set_promiscuity (net/core/dev_api.c:288)
[   91.852184][ T2028]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   91.852187][ T2028] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   91.852193][ T2028]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[   91.852197][ T2028] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[   91.852200][ T2028] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[   91.852205][ T2028]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   91.852209][ T2028]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   91.852212][ T2028]  ? security_capable (security/security.c:660 (discriminator 11))
[   91.852215][ T2028]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   91.852218][ T2028]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   91.852220][ T2028]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[   91.852223][ T2028]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   91.852226][ T2028]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   91.852230][ T2028]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   91.852232][ T2028]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.852233][ T2028]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   91.852235][ T2028]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.852238][ T2028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.852240][ T2028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.852241][ T2028]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.852243][ T2028]  genl_rcv (net/netlink/genetlink.c:1218)
[   91.852244][ T2028]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.852246][ T2028]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.852248][ T2028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.852250][ T2028]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.852252][ T2028]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.852254][ T2028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.852255][ T2028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.852257][ T2028]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.852259][ T2028]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   91.852262][ T2028]  __sys_sendto (net/socket.c:2281)
[   91.852264][ T2028]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   91.852268][ T2028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.852269][ T2028]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.852271][ T2028]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   91.852273][ T2028]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   91.852275][ T2028]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   91.852277][ T2028]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   91.852278][ T2028]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.852281][ T2028]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.852283][ T2028]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.852285][ T2028] RIP: 0033:0x7f673cd2a312
[   91.852287][ T2028] 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)
[   91.852288][ T2028] RSP: 002b:00007ffe9d0e4118 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   91.852292][ T2028] RAX: ffffffffffffffda RBX: 00007ffe9d0e4248 RCX: 00007f673cd2a312
[   91.852293][ T2028] RDX: 0000000000000024 RSI: 00007f673aa69d40 RDI: 0000000000000023
[   91.852294][ T2028] RBP: 00007ffe9d0e4140 R08: 00007ffe9d0e42c0 R09: 000000000000000c
[   91.852295][ T2028] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f673ab8a190
[   91.852296][ T2028] R13: 00007ffe9d0e4248 R14: 00007f673c64901a R15: 00007ffe9d0e4638
| [   98.324880][ T2176] softirqs last disabled at (0): 0x0
| [   98.324882][ T2176] Preemption disabled at:
| [   98.324883][ T2176] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.324892][ T2176] Tainted: [W]=WARN
[   98.324893][ T2176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.324895][ T2176] Call Trace:
[   98.324896][ T2176]  <TASK>
[   98.324897][ T2176]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.324902][ T2176]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.324904][ T2176]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.324907][ T2176]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.324910][ T2176]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   98.324912][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.324915][ T2176]  __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))
[   98.324917][ T2176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   98.324921][ T2176]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.324925][ T2176]  ? 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)
[   98.324927][ T2176]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.324930][ T2176]  put_chars (drivers/char/virtio_console.c:1176)
[   98.324931][ T2176]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   98.324932][ T2176]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.324934][ T2176]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   98.324937][ T2176]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.324941][ T2176]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.324943][ T2176]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   98.324945][ T2176]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   98.324948][ T2176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   98.324950][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.324951][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.324953][ T2176]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.324956][ T2176]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.324958][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.324959][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.324960][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.324961][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.324962][ T2176]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   98.324964][ T2176]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.324966][ T2176]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.324969][ T2176]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.324971][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.324972][ T2176]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.324974][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.324975][ T2176]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.324976][ T2176]  ? 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)
[   98.324978][ T2176]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   98.324979][ T2176]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.324981][ T2176]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.324982][ T2176]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.324984][ T2176]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.324986][ T2176]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   98.324989][ T2176]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[   98.324995][ T2176]  _printk (kernel/printk/printk.c:2504)
[   98.324998][ T2176]  ? snapshot_read.cold (user.c:?)
[   98.325000][ T2176]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.325003][ T2176]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.325005][ T2176]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.325007][ T2176]  ? netdev_notice (net/core/dev.c:13194)
[   98.325009][ T2176]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   98.325011][ T2176]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   98.325014][ T2176]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   98.325016][ T2176]  ? 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)
[   98.325018][ T2176]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   98.325020][ T2176]  netif_set_promiscuity (net/core/dev.c:9699)
[   98.325022][ T2176]  dev_set_promiscuity (net/core/dev_api.c:288)
[   98.325024][ T2176]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.325027][ T2176] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   98.325038][ T2176] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   98.325042][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325043][ T2176]  notifier_call_chain (kernel/notifier.c:85)
[   98.325046][ T2176]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   98.325048][ T2176]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   98.325051][ T2176]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   98.325053][ T2176]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.325054][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325055][ T2176]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   98.325057][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325062][ T2176]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   98.325064][ T2176]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.325066][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325067][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325068][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.325070][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325071][ T2176]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.325072][ T2176]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   98.325075][ T2176]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   98.325076][ T2176]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   98.325079][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325080][ T2176]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   98.325083][ T2176]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   98.325085][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325086][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.325088][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325089][ T2176]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   98.325090][ T2176]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   98.325092][ T2176]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.325093][ T2176]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   98.325096][ T2176]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   98.325099][ T2176]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   98.325102][ T2176]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.325104][ T2176]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.325105][ T2176]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.325107][ T2176]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   98.325110][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325111][ T2176]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.325113][ T2176]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.325115][ T2176]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.325116][ T2176]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.325118][ T2176]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   98.325120][ T2176]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   98.325122][ T2176]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   98.325123][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.325125][ T2176]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   98.325128][ T2176]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   98.325131][ T2176]  ____sys_sendmsg (net/socket.c:2713)
[   98.325132][ T2176]  ? copy_msghdr_from_user (net/socket.c:2650)
[   98.325134][ T2176]  ? sock_write_iter (net/socket.c:1269)
[   98.325135][ T2176]  ? move_addr_to_kernel (net/socket.c:258)
[   98.325137][ T2176]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   98.325139][ T2176]  ___sys_sendmsg (net/socket.c:2767)
[   98.325141][ T2176]  ? copy_msghdr_from_user (net/socket.c:2619)
[   98.325146][ T2176]  __sys_sendmsg (net/socket.c:2799)
[   98.325148][ T2176]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   98.325150][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.325152][ T2176]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   98.325154][ T2176]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   98.325156][ T2176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.325157][ T2176] RIP: 0033:0x7fa5ce9f754e
[   98.325159][ T2176] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   98.325160][ T2176] RSP: 002b:00007fffa05e0910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   98.325164][ T2176] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa5ce9f754e
[   98.325165][ T2176] RDX: 0000000000000000 RSI: 00007fffa05e09c0 RDI: 0000000000000005
[   98.325166][ T2176] RBP: 00007fffa05e0920 R08: 0000000000000000 R09: 0000000000000000
[   98.325167][ T2176] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919352
[   98.325168][ T2176] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa05e1080
| [  100.839791][ T2240] softirqs last disabled at (0): 0x0
| [  100.839792][ T2240] Preemption disabled at:
| [  100.839793][ T2240] vprintk_emit (kernel/printk/printk.c:2471)
| [  100.839803][ T2240] Tainted: [W]=WARN
[  100.839804][ T2240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.839805][ T2240] Call Trace:
[  100.839807][ T2240]  <TASK>
[  100.839808][ T2240]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  100.839814][ T2240]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  100.839815][ T2240]  __might_resched.cold (kernel/sched/core.c:9234)
[  100.839819][ T2240]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  100.839822][ T2240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.839825][ T2240]  __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))
[  100.839828][ T2240]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  100.839831][ T2240]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.839836][ T2240]  ? 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)
[  100.839838][ T2240]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.839840][ T2240]  put_chars (drivers/char/virtio_console.c:1176)
[  100.839842][ T2240]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  100.839843][ T2240]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  100.839846][ T2240]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  100.839851][ T2240]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  100.839853][ T2240]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  100.839854][ T2240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.839856][ T2240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.839858][ T2240]  console_emit_next_record (kernel/printk/printk.c:3183)
[  100.839861][ T2240]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  100.839863][ T2240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.839864][ T2240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.839865][ T2240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.839866][ T2240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.839868][ T2240]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  100.839869][ T2240]  console_flush_one_record (kernel/printk/printk.c:3268)
[  100.839872][ T2240]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  100.839874][ T2240]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  100.839876][ T2240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.839878][ T2240]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  100.839879][ T2240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.839880][ T2240]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  100.839882][ T2240]  ? 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)
[  100.839883][ T2240]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  100.839885][ T2240]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  100.839887][ T2240]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  100.839888][ T2240]  vprintk_emit (kernel/printk/printk.c:2479)
[  100.839890][ T2240]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  100.839891][ T2240]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  100.839893][ T2240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.839894][ T2240]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  100.839897][ T2240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.839899][ T2240]  _printk (kernel/printk/printk.c:2504)
[  100.839902][ T2240]  ? snapshot_read.cold (user.c:?)
[  100.839904][ T2240]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  100.839908][ T2240]  ? idr_get_free (??:?)
[  100.839910][ T2240]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  100.839913][ T2240]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  100.839919][ T2240]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.839923][ T2240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.839924][ T2240]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  100.839927][ T2240]  __nla_validate_parse (lib/nlattr.c:635)
[  100.839930][ T2240]  __nla_parse (lib/nlattr.c:732)
[  100.839932][ T2240]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  100.839935][ T2240]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  100.839937][ T2240]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  100.839939][ T2240]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  100.839942][ T2240]  ? security_capable (security/security.c:660 (discriminator 11))
[  100.839945][ T2240]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  100.839947][ T2240]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  100.839949][ T2240]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  100.839956][ T2240]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  100.839959][ T2240]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  100.839961][ T2240]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  100.839964][ T2240]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  100.839965][ T2240]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  100.839967][ T2240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.839970][ T2240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.839972][ T2240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.839973][ T2240]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  100.839975][ T2240]  genl_rcv (net/netlink/genetlink.c:1218)
[  100.839977][ T2240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.839979][ T2240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.839982][ T2240]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  100.839984][ T2240]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  100.839986][ T2240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.839988][ T2240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.839989][ T2240]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  100.839992][ T2240]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  100.839995][ T2240]  __sys_sendto (net/socket.c:2281)
[  100.839997][ T2240]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  100.840001][ T2240]  ? fput_close_sync (fs/file_table.c:617)
[  100.840004][ T2240]  ? alloc_file_clone (fs/file_table.c:479)
[  100.840006][ T2240]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  100.840008][ T2240]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.840009][ T2240]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  100.840010][ T2240]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  100.840012][ T2240]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  100.840014][ T2240]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  100.840016][ T2240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.840018][ T2240] RIP: 0033:0x7f4a31e68312
[  100.840020][ T2240] 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)
[  100.840022][ T2240] RSP: 002b:00007fff58cb6138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  100.840025][ T2240] RAX: ffffffffffffffda RBX: 00007fff58cb6268 RCX: 00007f4a31e68312
[  100.840027][ T2240] RDX: 0000000000000048 RSI: 00007f4a2da46f10 RDI: 0000000000000020
[  100.840028][ T2240] RBP: 00007fff58cb6160 R08: 00007fff58cb62e0 R09: 000000000000000c
[  100.840029][ T2240] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4a2fcd20b0
[  100.840030][ T2240] R13: 00007fff58cb6268 R14: 00007f4a3178701a R15: 00007fff58cb6658
| [  102.444211][ T2325] softirqs last disabled at (0): 0x0
| [  102.444212][ T2325] Preemption disabled at:
| [  102.444213][ T2325] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.444223][ T2325] Tainted: [W]=WARN
[  102.444224][ T2325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.444225][ T2325] Call Trace:
[  102.444226][ T2325]  <TASK>
[  102.444228][ T2325]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.444233][ T2325]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.444234][ T2325]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.444238][ T2325]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.444242][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444244][ T2325]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  102.444247][ T2325]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  102.444250][ T2325]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.444254][ T2325]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  102.444256][ T2325]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.444259][ T2325]  put_chars (drivers/char/virtio_console.c:1176)
[  102.444260][ T2325]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.444262][ T2325]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  102.444264][ T2325]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  102.444266][ T2325]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.444271][ T2325]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.444273][ T2325]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  102.444274][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444275][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444276][ T2325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.444279][ T2325]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.444281][ T2325]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.444283][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444284][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444285][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444286][ T2325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.444288][ T2325]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  102.444290][ T2325]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.444292][ T2325]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.444295][ T2325]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.444297][ T2325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.444298][ T2325]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.444300][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444301][ T2325]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.444302][ T2325]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  102.444304][ T2325]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  102.444305][ T2325]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.444307][ T2325]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.444308][ T2325]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.444310][ T2325]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.444312][ T2325]  _printk (kernel/printk/printk.c:2504)
[  102.444315][ T2325]  ? snapshot_read.cold (user.c:?)
[  102.444317][ T2325]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  102.444320][ T2325]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  102.444324][ T2325]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  102.444325][ T2325]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  102.444328][ T2325]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  102.444331][ T2325]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  102.444333][ T2325]  ? netdev_notice (net/core/dev.c:13194)
[  102.444334][ T2325]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  102.444342][ T2325]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  102.444344][ T2325]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  102.444346][ T2325]  netif_set_promiscuity (net/core/dev.c:9699)
[  102.444349][ T2325]  dev_set_promiscuity (net/core/dev_api.c:288)
[  102.444350][ T2325]  ? dev_disable_lro (net/core/dev_api.c:267)
[  102.444351][ T2325] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  102.444355][ T2325] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  102.444359][ T2325]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.444361][ T2325] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  102.444365][ T2325]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  102.444369][ T2325] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  102.444372][ T2325]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  102.444376][ T2325]  ? __nla_validate_parse (lib/nlattr.c:635)
[  102.444380][ T2325]  ? __nla_parse (lib/nlattr.c:732)
[  102.444382][ T2325]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  102.444386][ T2325]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  102.444388][ T2325]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  102.444392][ T2325]  ? security_capable (security/security.c:660 (discriminator 11))
[  102.444395][ T2325]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  102.444397][ T2325]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  102.444399][ T2325]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  102.444402][ T2325]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  102.444405][ T2325]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  102.444407][ T2325]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  102.444409][ T2325]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.444411][ T2325]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  102.444413][ T2325]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.444416][ T2325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.444418][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444419][ T2325]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.444421][ T2325]  genl_rcv (net/netlink/genetlink.c:1218)
[  102.444423][ T2325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.444425][ T2325]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.444427][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444428][ T2325]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.444430][ T2325]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.444432][ T2325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.444434][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444435][ T2325]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.444438][ T2325]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  102.444441][ T2325]  __sys_sendto (net/socket.c:2281)
[  102.444443][ T2325]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  102.444447][ T2325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.444448][ T2325]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.444450][ T2325]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  102.444452][ T2325]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  102.444455][ T2325]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  102.444456][ T2325]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  102.444458][ T2325]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.444461][ T2325]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.444463][ T2325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.444465][ T2325] RIP: 0033:0x7f2bb4235312
[  102.444467][ T2325] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  102.444468][ T2325] RSP: 002b:00007ffebc426748 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  102.444472][ T2325] RAX: ffffffffffffffda RBX: 00007ffebc426878 RCX: 00007f2bb4235312
[  102.444473][ T2325] RDX: 0000000000000030 RSI: 00007f2bb0647fb0 RDI: 0000000000000023
[  102.444474][ T2325] RBP: 00007ffebc426770 R08: 00007ffebc4268f0 R09: 000000000000000c
[  102.444475][ T2325] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2bb208e270
[  102.444476][ T2325] R13: 00007ffebc426878 R14: 00007f2bb3b5401a R15: 00007ffebc426c68
| [  124.187782][ T2496] softirqs last disabled at (0): 0x0
| [  124.187783][ T2496] Preemption disabled at:
| [  124.187784][ T2496] vprintk_emit (kernel/printk/printk.c:2471)
| [  124.187794][ T2496] Tainted: [W]=WARN
[  124.187795][ T2496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  124.187796][ T2496] Call Trace:
[  124.187797][ T2496]  <TASK>
[  124.187799][ T2496]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  124.187804][ T2496]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  124.187805][ T2496]  __might_resched.cold (kernel/sched/core.c:9234)
[  124.187809][ T2496]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  124.187812][ T2496]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  124.187814][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187817][ T2496]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  124.187819][ T2496]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  124.187822][ T2496]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.187827][ T2496]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  124.187829][ T2496]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.187831][ T2496]  put_chars (drivers/char/virtio_console.c:1176)
[  124.187832][ T2496]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  124.187834][ T2496]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  124.187835][ T2496]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  124.187838][ T2496]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  124.187843][ T2496]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  124.187844][ T2496]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  124.187846][ T2496]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  124.187849][ T2496]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  124.187851][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187852][ T2496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.187854][ T2496]  console_emit_next_record (kernel/printk/printk.c:3183)
[  124.187857][ T2496]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  124.187859][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187860][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187861][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187862][ T2496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.187864][ T2496]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  124.187865][ T2496]  console_flush_one_record (kernel/printk/printk.c:3268)
[  124.187867][ T2496]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  124.187870][ T2496]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  124.187872][ T2496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.187873][ T2496]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  124.187875][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187876][ T2496]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.187877][ T2496]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  124.187879][ T2496]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  124.187880][ T2496]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  124.187882][ T2496]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  124.187883][ T2496]  vprintk_emit (kernel/printk/printk.c:2479)
[  124.187885][ T2496]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  124.187886][ T2496]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  124.187889][ T2496]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  124.187896][ T2496]  _printk (kernel/printk/printk.c:2504)
[  124.187899][ T2496]  ? snapshot_read.cold (user.c:?)
[  124.187901][ T2496]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  124.187904][ T2496]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  124.187906][ T2496]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  124.187908][ T2496]  ? netdev_notice (net/core/dev.c:13194)
[  124.187910][ T2496]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  124.187912][ T2496]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  124.187915][ T2496]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  124.187917][ T2496]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  124.187919][ T2496]  netif_set_promiscuity (net/core/dev.c:9699)
[  124.187921][ T2496]  dev_set_promiscuity (net/core/dev_api.c:288)
[  124.187923][ T2496]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  124.187926][ T2496] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  124.187932][ T2496] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  124.187936][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187937][ T2496]  notifier_call_chain (kernel/notifier.c:85)
[  124.187940][ T2496]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  124.187942][ T2496]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  124.187945][ T2496]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  124.187947][ T2496]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.187948][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187949][ T2496]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  124.187951][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187956][ T2496]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  124.187958][ T2496]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  124.187960][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187961][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187962][ T2496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.187964][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187965][ T2496]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.187966][ T2496]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  124.187969][ T2496]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  124.187970][ T2496]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  124.187973][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187974][ T2496]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  124.187977][ T2496]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  124.187979][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187980][ T2496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.187982][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.187983][ T2496]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  124.187984][ T2496]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  124.187986][ T2496]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  124.187987][ T2496]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  124.187990][ T2496]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  124.187993][ T2496]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  124.187996][ T2496]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  124.187998][ T2496]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.187999][ T2496]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  124.188001][ T2496]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  124.188004][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.188005][ T2496]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  124.188007][ T2496]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  124.188009][ T2496]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  124.188010][ T2496]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  124.188012][ T2496]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  124.188015][ T2496]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  124.188016][ T2496]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  124.188018][ T2496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.188019][ T2496]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  124.188023][ T2496]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  124.188026][ T2496]  ____sys_sendmsg (net/socket.c:2713)
[  124.188027][ T2496]  ? copy_msghdr_from_user (net/socket.c:2650)
[  124.188029][ T2496]  ? sock_write_iter (net/socket.c:1269)
[  124.188030][ T2496]  ? move_addr_to_kernel (net/socket.c:258)
[  124.188032][ T2496]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  124.188034][ T2496]  ___sys_sendmsg (net/socket.c:2767)
[  124.188036][ T2496]  ? copy_msghdr_from_user (net/socket.c:2619)
[  124.188041][ T2496]  __sys_sendmsg (net/socket.c:2799)
[  124.188043][ T2496]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  124.188046][ T2496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.188047][ T2496]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  124.188050][ T2496]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  124.188052][ T2496]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  124.188053][ T2496] RIP: 0033:0x7f5a72ab654e
[  124.188055][ T2496] 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
[  124.188056][ T2496] RSP: 002b:00007ffe40619de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  124.188060][ T2496] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5a72ab654e
[  124.188061][ T2496] RDX: 0000000000000000 RSI: 00007ffe40619e90 RDI: 0000000000000005
[  124.188062][ T2496] RBP: 00007ffe40619df0 R08: 0000000000000000 R09: 0000000000000000
[  124.188063][ T2496] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91936c
[  124.188064][ T2496] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4061a550
| [  126.328963][ T2556] softirqs last disabled at (0): 0x0
| [  126.328965][ T2556] Preemption disabled at:
| [  126.328966][ T2556] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.328976][ T2556] Tainted: [W]=WARN
[  126.328977][ T2556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.328979][ T2556] Call Trace:
[  126.328980][ T2556]  <TASK>
[  126.328982][ T2556]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.328988][ T2556]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.328989][ T2556]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.328993][ T2556]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.328997][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.328999][ T2556]  __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))
[  126.329003][ T2556]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.329006][ T2556]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.329011][ T2556]  ? 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)
[  126.329013][ T2556]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.329015][ T2556]  put_chars (drivers/char/virtio_console.c:1176)
[  126.329017][ T2556]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.329018][ T2556]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  126.329021][ T2556]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.329026][ T2556]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.329028][ T2556]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.329030][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.329031][ T2556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.329034][ T2556]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.329036][ T2556]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.329038][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.329040][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.329041][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.329042][ T2556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.329044][ T2556]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  126.329045][ T2556]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.329048][ T2556]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.329051][ T2556]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.329053][ T2556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.329054][ T2556]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.329056][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.329057][ T2556]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.329058][ T2556]  ? 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)
[  126.329060][ T2556]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  126.329061][ T2556]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.329064][ T2556]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.329065][ T2556]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.329067][ T2556]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.329068][ T2556]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  126.329070][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.329071][ T2556]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  126.329075][ T2556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.329077][ T2556]  _printk (kernel/printk/printk.c:2504)
[  126.329080][ T2556]  ? snapshot_read.cold (user.c:?)
[  126.329081][ T2556]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  126.329086][ T2556]  ? idr_get_free (??:?)
[  126.329088][ T2556]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  126.329091][ T2556]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  126.329097][ T2556]  ? nla_get_range_signed (lib/nlattr.c:270)
[  126.329102][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.329103][ T2556]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  126.329106][ T2556]  __nla_validate_parse (lib/nlattr.c:635)
[  126.329109][ T2556]  __nla_parse (lib/nlattr.c:732)
[  126.329111][ T2556]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  126.329113][ T2556]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.329115][ T2556]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  126.329118][ T2556]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  126.329121][ T2556]  ? security_capable (security/security.c:660 (discriminator 11))
[  126.329124][ T2556]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  126.329126][ T2556]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  126.329129][ T2556]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  126.329142][ T2556]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  126.329145][ T2556]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  126.329147][ T2556]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  126.329149][ T2556]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.329151][ T2556]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  126.329153][ T2556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.329156][ T2556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.329158][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.329159][ T2556]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.329161][ T2556]  genl_rcv (net/netlink/genetlink.c:1218)
[  126.329163][ T2556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.329165][ T2556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.329168][ T2556]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.329170][ T2556]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.329172][ T2556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.329174][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.329175][ T2556]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  126.329178][ T2556]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  126.329182][ T2556]  __sys_sendto (net/socket.c:2281)
[  126.329184][ T2556]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  126.329188][ T2556]  ? fput_close_sync (fs/file_table.c:617)
[  126.329191][ T2556]  ? alloc_file_clone (fs/file_table.c:479)
[  126.329193][ T2556]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  126.329194][ T2556]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  126.329196][ T2556]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  126.329198][ T2556]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  126.329199][ T2556]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.329201][ T2556]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.329203][ T2556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.329205][ T2556] RIP: 0033:0x7fca0ac51312
[  126.329207][ T2556] 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)
[  126.329209][ T2556] RSP: 002b:00007ffd71745098 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  126.329212][ T2556] RAX: ffffffffffffffda RBX: 00007ffd717451c8 RCX: 00007fca0ac51312
[  126.329214][ T2556] RDX: 0000000000000044 RSI: 00007fca0274f050 RDI: 0000000000000020
[  126.329215][ T2556] RBP: 00007ffd717450c0 R08: 00007ffd71745240 R09: 000000000000000c
[  126.329216][ T2556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fca08aaa120
[  126.329217][ T2556] R13: 00007ffd717451c8 R14: 00007fca0a57001a R15: 00007ffd717455b8
| [  128.004339][ T2646] softirqs last disabled at (0): 0x0
| [  128.004341][ T2646] Preemption disabled at:
| [  128.004341][ T2646] vprintk_emit (kernel/printk/printk.c:2471)
| [  128.004351][ T2646] Tainted: [W]=WARN
[  128.004352][ T2646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  128.004354][ T2646] Call Trace:
[  128.004355][ T2646]  <TASK>
[  128.004356][ T2646]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  128.004362][ T2646]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  128.004363][ T2646]  __might_resched.cold (kernel/sched/core.c:9234)
[  128.004367][ T2646]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  128.004370][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004373][ T2646]  __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))
[  128.004376][ T2646]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  128.004379][ T2646]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.004384][ T2646]  ? 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)
[  128.004386][ T2646]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.004388][ T2646]  put_chars (drivers/char/virtio_console.c:1176)
[  128.004390][ T2646]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  128.004391][ T2646]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  128.004394][ T2646]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  128.004396][ T2646]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  128.004401][ T2646]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  128.004403][ T2646]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  128.004404][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004406][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004407][ T2646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.004409][ T2646]  console_emit_next_record (kernel/printk/printk.c:3183)
[  128.004412][ T2646]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  128.004414][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004415][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004416][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004417][ T2646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.004419][ T2646]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  128.004421][ T2646]  console_flush_one_record (kernel/printk/printk.c:3268)
[  128.004424][ T2646]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  128.004426][ T2646]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  128.004428][ T2646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.004430][ T2646]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  128.004432][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004433][ T2646]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.004434][ T2646]  ? 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)
[  128.004436][ T2646]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  128.004437][ T2646]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  128.004439][ T2646]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  128.004441][ T2646]  vprintk_emit (kernel/printk/printk.c:2479)
[  128.004443][ T2646]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  128.004445][ T2646]  _printk (kernel/printk/printk.c:2504)
[  128.004448][ T2646]  ? snapshot_read.cold (user.c:?)
[  128.004450][ T2646]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  128.004453][ T2646]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  128.004457][ T2646]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  128.004459][ T2646]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  128.004462][ T2646]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  128.004464][ T2646]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  128.004466][ T2646]  ? netdev_notice (net/core/dev.c:13194)
[  128.004468][ T2646]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  128.004476][ T2646]  ? 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)
[  128.004478][ T2646]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  128.004480][ T2646]  netif_set_promiscuity (net/core/dev.c:9699)
[  128.004483][ T2646]  dev_set_promiscuity (net/core/dev_api.c:288)
[  128.004484][ T2646]  ? dev_disable_lro (net/core/dev_api.c:267)
[  128.004486][ T2646] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  128.004490][ T2646] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  128.004493][ T2646]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.004495][ T2646] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  128.004500][ T2646]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  128.004503][ T2646] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  128.004507][ T2646]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  128.004511][ T2646]  ? __nla_validate_parse (lib/nlattr.c:635)
[  128.004516][ T2646]  ? __nla_parse (lib/nlattr.c:732)
[  128.004518][ T2646]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  128.004522][ T2646]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  128.004524][ T2646]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  128.004527][ T2646]  ? security_capable (security/security.c:660 (discriminator 11))
[  128.004530][ T2646]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  128.004533][ T2646]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  128.004535][ T2646]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  128.004538][ T2646]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  128.004542][ T2646]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  128.004544][ T2646]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  128.004546][ T2646]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  128.004548][ T2646]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  128.004550][ T2646]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  128.004553][ T2646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.004554][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004556][ T2646]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.004558][ T2646]  genl_rcv (net/netlink/genetlink.c:1218)
[  128.004559][ T2646]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  128.004562][ T2646]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  128.004564][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004565][ T2646]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  128.004568][ T2646]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  128.004570][ T2646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.004571][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004573][ T2646]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  128.004576][ T2646]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  128.004579][ T2646]  __sys_sendto (net/socket.c:2281)
[  128.004584][ T2646]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  128.004588][ T2646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.004589][ T2646]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.004591][ T2646]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  128.004593][ T2646]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  128.004596][ T2646]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  128.004598][ T2646]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  128.004599][ T2646]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  128.004603][ T2646]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  128.004605][ T2646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  128.004607][ T2646] RIP: 0033:0x7f41cccad312
[  128.004609][ T2646] 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)
[  128.004610][ T2646] RSP: 002b:00007ffdd3aaf288 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  128.004614][ T2646] RAX: ffffffffffffffda RBX: 00007ffdd3aaf3b8 RCX: 00007f41cccad312
[  128.004615][ T2646] RDX: 0000000000000034 RSI: 00007f41c88e4130 RDI: 0000000000000023
[  128.004616][ T2646] RBP: 00007ffdd3aaf2b0 R08: 00007ffdd3aaf430 R09: 000000000000000c
[  128.004617][ T2646] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41cab062e0
[  128.004618][ T2646] R13: 00007ffdd3aaf3b8 R14: 00007f41cc5cc01a R15: 00007ffdd3aaf7a8
| [  140.140505][ T2829] softirqs last disabled at (0): 0x0
| [  140.140506][ T2829] Preemption disabled at:
| [  140.140507][ T2829] vprintk_emit (kernel/printk/printk.c:2471)
| [  140.140518][ T2829] Tainted: [W]=WARN
[  140.140519][ T2829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  140.140521][ T2829] Call Trace:
[  140.140522][ T2829]  <TASK>
[  140.140523][ T2829]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  140.140529][ T2829]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  140.140530][ T2829]  __might_resched.cold (kernel/sched/core.c:9234)
[  140.140534][ T2829]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  140.140537][ T2829]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  140.140539][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140541][ T2829]  __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))
[  140.140544][ T2829]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  140.140548][ T2829]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.140553][ T2829]  ? 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)
[  140.140555][ T2829]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.140557][ T2829]  put_chars (drivers/char/virtio_console.c:1176)
[  140.140558][ T2829]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  140.140560][ T2829]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  140.140561][ T2829]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  140.140564][ T2829]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  140.140569][ T2829]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  140.140571][ T2829]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  140.140572][ T2829]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  140.140576][ T2829]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  140.140578][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140579][ T2829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.140583][ T2829]  console_emit_next_record (kernel/printk/printk.c:3183)
[  140.140586][ T2829]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  140.140588][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140589][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140590][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140591][ T2829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.140593][ T2829]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  140.140595][ T2829]  console_flush_one_record (kernel/printk/printk.c:3268)
[  140.140597][ T2829]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  140.140600][ T2829]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  140.140602][ T2829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.140603][ T2829]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  140.140605][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140606][ T2829]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.140608][ T2829]  ? 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)
[  140.140609][ T2829]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  140.140611][ T2829]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  140.140613][ T2829]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  140.140614][ T2829]  vprintk_emit (kernel/printk/printk.c:2479)
[  140.140616][ T2829]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  140.140617][ T2829]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  140.140621][ T2829]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  140.140628][ T2829]  _printk (kernel/printk/printk.c:2504)
[  140.140631][ T2829]  ? snapshot_read.cold (user.c:?)
[  140.140633][ T2829]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  140.140636][ T2829]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  140.140638][ T2829]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  140.140641][ T2829]  ? netdev_notice (net/core/dev.c:13194)
[  140.140642][ T2829]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  140.140645][ T2829]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  140.140648][ T2829]  ? 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)
[  140.140649][ T2829]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  140.140652][ T2829]  netif_set_promiscuity (net/core/dev.c:9699)
[  140.140655][ T2829]  dev_set_promiscuity (net/core/dev_api.c:288)
[  140.140657][ T2829]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  140.140660][ T2829] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  140.140666][ T2829] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  140.140670][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140672][ T2829]  notifier_call_chain (kernel/notifier.c:85)
[  140.140675][ T2829]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  140.140677][ T2829]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  140.140680][ T2829]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  140.140681][ T2829]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.140683][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140684][ T2829]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  140.140685][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140691][ T2829]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  140.140694][ T2829]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  140.140696][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140697][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140698][ T2829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.140699][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140700][ T2829]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.140702][ T2829]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  140.140705][ T2829]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  140.140706][ T2829]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  140.140708][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140710][ T2829]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  140.140713][ T2829]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  140.140715][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140716][ T2829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.140718][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140719][ T2829]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  140.140721][ T2829]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  140.140722][ T2829]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.140724][ T2829]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  140.140726][ T2829]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  140.140730][ T2829]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  140.140733][ T2829]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.140735][ T2829]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.140736][ T2829]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  140.140738][ T2829]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  140.140741][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140742][ T2829]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.140744][ T2829]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  140.140746][ T2829]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  140.140748][ T2829]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  140.140749][ T2829]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  140.140752][ T2829]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  140.140753][ T2829]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  140.140755][ T2829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.140756][ T2829]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  140.140759][ T2829]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  140.140762][ T2829]  ____sys_sendmsg (net/socket.c:2713)
[  140.140764][ T2829]  ? copy_msghdr_from_user (net/socket.c:2650)
[  140.140766][ T2829]  ? sock_write_iter (net/socket.c:1269)
[  140.140767][ T2829]  ? move_addr_to_kernel (net/socket.c:258)
[  140.140769][ T2829]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  140.140771][ T2829]  ___sys_sendmsg (net/socket.c:2767)
[  140.140773][ T2829]  ? copy_msghdr_from_user (net/socket.c:2619)
[  140.140778][ T2829]  __sys_sendmsg (net/socket.c:2799)
[  140.140780][ T2829]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  140.140783][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.140784][ T2829]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  140.140787][ T2829]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  140.140789][ T2829]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  140.140790][ T2829] RIP: 0033:0x7f889764954e
[  140.140792][ T2829] 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
[  140.140793][ T2829] RSP: 002b:00007ffdbf86b0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  140.140797][ T2829] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f889764954e
[  140.140799][ T2829] RDX: 0000000000000000 RSI: 00007ffdbf86b1a0 RDI: 0000000000000005
[  140.140800][ T2829] RBP: 00007ffdbf86b100 R08: 0000000000000000 R09: 0000000000000000
[  140.140800][ T2829] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91937c
[  140.140801][ T2829] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbf86b860
| [  142.220400][ T2886] softirqs last disabled at (0): 0x0
| [  142.220401][ T2886] Preemption disabled at:
| [  142.220402][ T2886] vprintk_emit (kernel/printk/printk.c:2471)
| [  142.220412][ T2886] Tainted: [W]=WARN
[  142.220413][ T2886] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  142.220415][ T2886] Call Trace:
[  142.220416][ T2886]  <TASK>
[  142.220418][ T2886]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  142.220423][ T2886]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  142.220425][ T2886]  __might_resched.cold (kernel/sched/core.c:9234)
[  142.220428][ T2886]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  142.220432][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220434][ T2886]  __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))
[  142.220437][ T2886]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  142.220441][ T2886]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  142.220446][ T2886]  ? 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)
[  142.220447][ T2886]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  142.220450][ T2886]  put_chars (drivers/char/virtio_console.c:1176)
[  142.220451][ T2886]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  142.220453][ T2886]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  142.220456][ T2886]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  142.220460][ T2886]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  142.220462][ T2886]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  142.220464][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220465][ T2886]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.220468][ T2886]  console_emit_next_record (kernel/printk/printk.c:3183)
[  142.220470][ T2886]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  142.220472][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220473][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220474][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220475][ T2886]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.220477][ T2886]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  142.220479][ T2886]  console_flush_one_record (kernel/printk/printk.c:3268)
[  142.220481][ T2886]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  142.220484][ T2886]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  142.220485][ T2886]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.220487][ T2886]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  142.220489][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220490][ T2886]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  142.220491][ T2886]  ? 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)
[  142.220493][ T2886]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  142.220494][ T2886]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  142.220496][ T2886]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  142.220497][ T2886]  vprintk_emit (kernel/printk/printk.c:2479)
[  142.220499][ T2886]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  142.220500][ T2886]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  142.220501][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220502][ T2886]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  142.220506][ T2886]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.220508][ T2886]  _printk (kernel/printk/printk.c:2504)
[  142.220511][ T2886]  ? snapshot_read.cold (user.c:?)
[  142.220513][ T2886]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  142.220517][ T2886]  ? idr_get_free (??:?)
[  142.220519][ T2886]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  142.220522][ T2886]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  142.220529][ T2886]  ? nla_get_range_signed (lib/nlattr.c:270)
[  142.220533][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220534][ T2886]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  142.220537][ T2886]  __nla_validate_parse (lib/nlattr.c:635)
[  142.220540][ T2886]  __nla_parse (lib/nlattr.c:732)
[  142.220542][ T2886]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  142.220544][ T2886]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  142.220546][ T2886]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  142.220548][ T2886]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  142.220551][ T2886]  ? security_capable (security/security.c:660 (discriminator 11))
[  142.220554][ T2886]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  142.220556][ T2886]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  142.220559][ T2886]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  142.220565][ T2886]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  142.220568][ T2886]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  142.220570][ T2886]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  142.220572][ T2886]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  142.220574][ T2886]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  142.220576][ T2886]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  142.220579][ T2886]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.220583][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220584][ T2886]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  142.220586][ T2886]  genl_rcv (net/netlink/genetlink.c:1218)
[  142.220588][ T2886]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  142.220590][ T2886]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  142.220592][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220594][ T2886]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  142.220596][ T2886]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  142.220598][ T2886]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.220599][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220601][ T2886]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  142.220604][ T2886]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  142.220607][ T2886]  __sys_sendto (net/socket.c:2281)
[  142.220609][ T2886]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  142.220613][ T2886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.220614][ T2886]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  142.220616][ T2886]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  142.220618][ T2886]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  142.220619][ T2886]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  142.220621][ T2886]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  142.220622][ T2886]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  142.220625][ T2886]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  142.220627][ T2886]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  142.220629][ T2886] RIP: 0033:0x7fe0ab290312
[  142.220631][ T2886] 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)
[  142.220632][ T2886] RSP: 002b:00007ffd3150e6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  142.220636][ T2886] RAX: ffffffffffffffda RBX: 00007ffd3150e7f8 RCX: 00007fe0ab290312
[  142.220638][ T2886] RDX: 0000000000000044 RSI: 00007fe0a866ae20 RDI: 0000000000000020
[  142.220638][ T2886] RBP: 00007ffd3150e6f0 R08: 00007ffd3150e870 R09: 000000000000000c
[  142.220639][ T2886] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0a90fa120
[  142.220640][ T2886] R13: 00007ffd3150e7f8 R14: 00007fe0aabaf01a R15: 00007ffd3150ebe8
| [  143.852540][ T2972] softirqs last disabled at (0): 0x0
| [  143.852542][ T2972] Preemption disabled at:
| [  143.852543][ T2972] vprintk_emit (kernel/printk/printk.c:2471)
| [  143.852553][ T2972] Tainted: [W]=WARN
[  143.852554][ T2972] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  143.852555][ T2972] Call Trace:
[  143.852557][ T2972]  <TASK>
[  143.852558][ T2972]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  143.852564][ T2972]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  143.852565][ T2972]  __might_resched.cold (kernel/sched/core.c:9234)
[  143.852569][ T2972]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  143.852573][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.852575][ T2972]  __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))
[  143.852578][ T2972]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  143.852585][ T2972]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.852590][ T2972]  ? 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)
[  143.852591][ T2972]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.852594][ T2972]  put_chars (drivers/char/virtio_console.c:1176)
[  143.852596][ T2972]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  143.852597][ T2972]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  143.852600][ T2972]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  143.852602][ T2972]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  143.852607][ T2972]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  143.852609][ T2972]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  143.852610][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.852611][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.852612][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.852615][ T2972]  console_emit_next_record (kernel/printk/printk.c:3183)
[  143.852617][ T2972]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  143.852619][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.852620][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.852621][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.852622][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.852624][ T2972]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  143.852626][ T2972]  console_flush_one_record (kernel/printk/printk.c:3268)
[  143.852628][ T2972]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  143.852631][ T2972]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  143.852632][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.852634][ T2972]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  143.852636][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.852637][ T2972]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.852638][ T2972]  ? 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)
[  143.852640][ T2972]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  143.852641][ T2972]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  143.852643][ T2972]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  143.852644][ T2972]  vprintk_emit (kernel/printk/printk.c:2479)
[  143.852646][ T2972]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  143.852648][ T2972]  _printk (kernel/printk/printk.c:2504)
[  143.852651][ T2972]  ? snapshot_read.cold (user.c:?)
[  143.852653][ T2972]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  143.852655][ T2972]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  143.852659][ T2972]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  143.852661][ T2972]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  143.852664][ T2972]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  143.852666][ T2972]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  143.852668][ T2972]  ? netdev_notice (net/core/dev.c:13194)
[  143.852670][ T2972]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  143.852677][ T2972]  ? 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)
[  143.852679][ T2972]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  143.852681][ T2972]  netif_set_promiscuity (net/core/dev.c:9699)
[  143.852684][ T2972]  dev_set_promiscuity (net/core/dev_api.c:288)
[  143.852685][ T2972]  ? dev_disable_lro (net/core/dev_api.c:267)
[  143.852687][ T2972] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  143.852690][ T2972] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  143.852694][ T2972]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.852695][ T2972] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  143.852700][ T2972]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  143.852703][ T2972] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  143.852707][ T2972]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  143.852710][ T2972]  ? __nla_validate_parse (lib/nlattr.c:635)
[  143.852714][ T2972]  ? __nla_parse (lib/nlattr.c:732)
[  143.852716][ T2972]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  143.852720][ T2972]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  143.852722][ T2972]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  143.852726][ T2972]  ? security_capable (security/security.c:660 (discriminator 11))
[  143.852729][ T2972]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  143.852731][ T2972]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  143.852733][ T2972]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  143.852736][ T2972]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  143.852739][ T2972]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  143.852741][ T2972]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  143.852743][ T2972]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  143.852745][ T2972]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  143.852747][ T2972]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  143.852750][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.852751][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.852753][ T2972]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.852754][ T2972]  genl_rcv (net/netlink/genetlink.c:1218)
[  143.852756][ T2972]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  143.852759][ T2972]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  143.852760][ T2972]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  143.852763][ T2972]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  143.852765][ T2972]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  143.852768][ T2972]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  143.852770][ T2972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.852771][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.852773][ T2972]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  143.852776][ T2972]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  143.852779][ T2972]  __sys_sendto (net/socket.c:2281)
[  143.852781][ T2972]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  143.852785][ T2972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.852786][ T2972]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.852788][ T2972]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  143.852789][ T2972]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  143.852791][ T2972]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  143.852792][ T2972]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  143.852794][ T2972]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  143.852797][ T2972]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  143.852799][ T2972]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  143.852801][ T2972] RIP: 0033:0x7f3ab216f312
[  143.852803][ T2972] 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)
[  143.852805][ T2972] RSP: 002b:00007ffc00bbf668 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  143.852808][ T2972] RAX: ffffffffffffffda RBX: 00007ffc00bbf798 RCX: 00007f3ab216f312
[  143.852810][ T2972] RDX: 0000000000000030 RSI: 00007f3aadd206f0 RDI: 0000000000000023
[  143.852810][ T2972] RBP: 00007ffc00bbf690 R08: 00007ffc00bbf810 R09: 000000000000000c
[  143.852811][ T2972] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3aaffd22e0
[  143.852812][ T2972] R13: 00007ffc00bbf798 R14: 00007f3ab1a8e01a R15: 00007ffc00bbfb88
| [  149.321177][ T3095] softirqs last disabled at (0): 0x0
| [  149.321179][ T3095] Preemption disabled at:
| [  149.321180][ T3095] vprintk_emit (kernel/printk/printk.c:2471)
| [  149.321190][ T3095] Tainted: [W]=WARN
[  149.321191][ T3095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.321193][ T3095] Call Trace:
[  149.321194][ T3095]  <TASK>
[  149.321195][ T3095]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.321201][ T3095]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  149.321202][ T3095]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.321206][ T3095]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.321209][ T3095]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  149.321211][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321213][ T3095]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  149.321216][ T3095]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.321219][ T3095]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.321224][ T3095]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  149.321231][ T3095]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.321233][ T3095]  put_chars (drivers/char/virtio_console.c:1176)
[  149.321235][ T3095]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  149.321236][ T3095]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.321238][ T3095]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  149.321241][ T3095]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.321246][ T3095]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.321248][ T3095]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  149.321250][ T3095]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  149.321253][ T3095]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.321255][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321256][ T3095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.321259][ T3095]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.321261][ T3095]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.321264][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321265][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321266][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321267][ T3095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.321269][ T3095]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  149.321271][ T3095]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.321273][ T3095]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.321276][ T3095]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.321278][ T3095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.321279][ T3095]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.321281][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321282][ T3095]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.321284][ T3095]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  149.321285][ T3095]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  149.321287][ T3095]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.321289][ T3095]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.321290][ T3095]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.321292][ T3095]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.321293][ T3095]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  149.321297][ T3095]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  149.321303][ T3095]  _printk (kernel/printk/printk.c:2504)
[  149.321306][ T3095]  ? snapshot_read.cold (user.c:?)
[  149.321309][ T3095]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  149.321312][ T3095]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  149.321314][ T3095]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  149.321317][ T3095]  ? netdev_notice (net/core/dev.c:13194)
[  149.321318][ T3095]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  149.321321][ T3095]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  149.321324][ T3095]  ? 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)
[  149.321325][ T3095]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  149.321328][ T3095]  netif_set_promiscuity (net/core/dev.c:9699)
[  149.321330][ T3095]  dev_set_promiscuity (net/core/dev_api.c:288)
[  149.321332][ T3095]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  149.321336][ T3095] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  149.321342][ T3095] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  149.321346][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321348][ T3095]  notifier_call_chain (kernel/notifier.c:85)
[  149.321351][ T3095]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  149.321353][ T3095]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  149.321356][ T3095]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  149.321357][ T3095]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.321359][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321360][ T3095]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  149.321362][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321367][ T3095]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  149.321370][ T3095]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.321372][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321372][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321374][ T3095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.321375][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321376][ T3095]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.321378][ T3095]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  149.321381][ T3095]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  149.321382][ T3095]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  149.321384][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321386][ T3095]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  149.321389][ T3095]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  149.321391][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321392][ T3095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.321394][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321395][ T3095]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  149.321396][ T3095]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  149.321398][ T3095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.321400][ T3095]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  149.321402][ T3095]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  149.321406][ T3095]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  149.321409][ T3095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.321411][ T3095]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.321412][ T3095]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  149.321414][ T3095]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  149.321417][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321418][ T3095]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.321420][ T3095]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  149.321422][ T3095]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  149.321424][ T3095]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.321426][ T3095]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  149.321428][ T3095]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  149.321430][ T3095]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  149.321431][ T3095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.321433][ T3095]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  149.321436][ T3095]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  149.321439][ T3095]  ____sys_sendmsg (net/socket.c:2713)
[  149.321441][ T3095]  ? copy_msghdr_from_user (net/socket.c:2650)
[  149.321443][ T3095]  ? sock_write_iter (net/socket.c:1269)
[  149.321444][ T3095]  ? move_addr_to_kernel (net/socket.c:258)
[  149.321446][ T3095]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  149.321449][ T3095]  ___sys_sendmsg (net/socket.c:2767)
[  149.321451][ T3095]  ? copy_msghdr_from_user (net/socket.c:2619)
[  149.321455][ T3095]  __sys_sendmsg (net/socket.c:2799)
[  149.321458][ T3095]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  149.321460][ T3095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.321462][ T3095]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  149.321465][ T3095]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  149.321467][ T3095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.321468][ T3095] RIP: 0033:0x7f277f79654e
[  149.321470][ T3095] 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
[  149.321472][ T3095] RSP: 002b:00007fff8ac1c760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  149.321475][ T3095] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f277f79654e
[  149.321477][ T3095] RDX: 0000000000000000 RSI: 00007fff8ac1c810 RDI: 0000000000000005
[  149.321478][ T3095] RBP: 00007fff8ac1c770 R08: 0000000000000000 R09: 0000000000000000
[  149.321479][ T3095] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919385
[  149.321479][ T3095] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8ac1ced0
| [  151.412326][ T3152] softirqs last disabled at (0): 0x0
| [  151.412328][ T3152] Preemption disabled at:
| [  151.412329][ T3152] vprintk_emit (kernel/printk/printk.c:2471)
| [  151.412339][ T3152] Tainted: [W]=WARN
[  151.412340][ T3152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  151.412342][ T3152] Call Trace:
[  151.412343][ T3152]  <TASK>
[  151.412345][ T3152]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  151.412350][ T3152]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  151.412351][ T3152]  __might_resched.cold (kernel/sched/core.c:9234)
[  151.412355][ T3152]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  151.412359][ T3152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.412361][ T3152]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  151.412364][ T3152]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.412367][ T3152]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.412372][ T3152]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  151.412374][ T3152]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.412376][ T3152]  put_chars (drivers/char/virtio_console.c:1176)
[  151.412378][ T3152]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  151.412380][ T3152]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  151.412382][ T3152]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  151.412387][ T3152]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  151.412389][ T3152]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.412391][ T3152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.412392][ T3152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.412395][ T3152]  console_emit_next_record (kernel/printk/printk.c:3183)
[  151.412397][ T3152]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  151.412399][ T3152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.412400][ T3152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.412401][ T3152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.412402][ T3152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.412404][ T3152]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  151.412406][ T3152]  console_flush_one_record (kernel/printk/printk.c:3268)
[  151.412408][ T3152]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  151.412411][ T3152]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  151.412412][ T3152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.412414][ T3152]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  151.412416][ T3152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.412417][ T3152]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.412418][ T3152]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  151.412419][ T3152]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  151.412421][ T3152]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  151.412423][ T3152]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  151.412424][ T3152]  vprintk_emit (kernel/printk/printk.c:2479)
[  151.412426][ T3152]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  151.412427][ T3152]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  151.412429][ T3152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.412430][ T3152]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  151.412433][ T3152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.412435][ T3152]  _printk (kernel/printk/printk.c:2504)
[  151.412438][ T3152]  ? snapshot_read.cold (user.c:?)
[  151.412440][ T3152]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  151.412443][ T3152]  ? idr_get_free (??:?)
[  151.412445][ T3152]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  151.412448][ T3152]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  151.412455][ T3152]  ? nla_get_range_signed (lib/nlattr.c:270)
[  151.412459][ T3152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.412460][ T3152]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  151.412463][ T3152]  __nla_validate_parse (lib/nlattr.c:635)
[  151.412466][ T3152]  __nla_parse (lib/nlattr.c:732)
[  151.412468][ T3152]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  151.412470][ T3152]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.412472][ T3152]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  151.412474][ T3152]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  151.412478][ T3152]  ? security_capable (security/security.c:660 (discriminator 11))
[  151.412481][ T3152]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  151.412483][ T3152]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  151.412485][ T3152]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  151.412492][ T3152]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  151.412495][ T3152]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  151.412497][ T3152]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  151.412499][ T3152]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.412501][ T3152]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  151.412503][ T3152]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  151.412506][ T3152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.412507][ T3152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.412508][ T3152]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.412510][ T3152]  genl_rcv (net/netlink/genetlink.c:1218)
[  151.412512][ T3152]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.412514][ T3152]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  151.412516][ T3152]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.412519][ T3152]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  151.412520][ T3152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.412522][ T3152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.412524][ T3152]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  151.412527][ T3152]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  151.412530][ T3152]  __sys_sendto (net/socket.c:2281)
[  151.412532][ T3152]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  151.412536][ T3152]  ? fput_close_sync (fs/file_table.c:617)
[  151.412538][ T3152]  ? alloc_file_clone (fs/file_table.c:479)
[  151.412540][ T3152]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  151.412542][ T3152]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  151.412543][ T3152]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  151.412545][ T3152]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  151.412546][ T3152]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.412549][ T3152]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  151.412551][ T3152]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.412552][ T3152] RIP: 0033:0x7ff86d69a312
[  151.412554][ T3152] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  151.412556][ T3152] RSP: 002b:00007ffe7cb4c6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  151.412560][ T3152] RAX: ffffffffffffffda RBX: 00007ffe7cb4c7f8 RCX: 00007ff86d69a312
[  151.412561][ T3152] RDX: 0000000000000044 RSI: 00007ff86926efb0 RDI: 0000000000000020
[  151.412562][ T3152] RBP: 00007ffe7cb4c6f0 R08: 00007ffe7cb4c870 R09: 000000000000000c
[  151.412563][ T3152] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff86b4fa120
[  151.412564][ T3152] R13: 00007ffe7cb4c7f8 R14: 00007ff86cfb901a R15: 00007ffe7cb4cbe8
| [  153.165172][ T3243] softirqs last disabled at (0): 0x0
| [  153.165173][ T3243] Preemption disabled at:
| [  153.165174][ T3243] vprintk_emit (kernel/printk/printk.c:2471)
| [  153.165184][ T3243] Tainted: [W]=WARN
[  153.165185][ T3243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  153.165187][ T3243] Call Trace:
[  153.165188][ T3243]  <TASK>
[  153.165189][ T3243]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  153.165195][ T3243]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  153.165196][ T3243]  __might_resched.cold (kernel/sched/core.c:9234)
[  153.165200][ T3243]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  153.165203][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.165206][ T3243]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  153.165209][ T3243]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  153.165212][ T3243]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.165217][ T3243]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  153.165219][ T3243]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.165222][ T3243]  put_chars (drivers/char/virtio_console.c:1176)
[  153.165223][ T3243]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  153.165225][ T3243]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  153.165228][ T3243]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  153.165230][ T3243]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  153.165235][ T3243]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  153.165237][ T3243]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  153.165238][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.165239][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.165246][ T3243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.165249][ T3243]  console_emit_next_record (kernel/printk/printk.c:3183)
[  153.165251][ T3243]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  153.165253][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.165254][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.165255][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.165256][ T3243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.165258][ T3243]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  153.165260][ T3243]  console_flush_one_record (kernel/printk/printk.c:3268)
[  153.165263][ T3243]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  153.165266][ T3243]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  153.165268][ T3243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.165269][ T3243]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  153.165271][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.165272][ T3243]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  153.165274][ T3243]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  153.165275][ T3243]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  153.165277][ T3243]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  153.165279][ T3243]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  153.165280][ T3243]  vprintk_emit (kernel/printk/printk.c:2479)
[  153.165282][ T3243]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  153.165284][ T3243]  _printk (kernel/printk/printk.c:2504)
[  153.165287][ T3243]  ? snapshot_read.cold (user.c:?)
[  153.165289][ T3243]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  153.165292][ T3243]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  153.165296][ T3243]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  153.165297][ T3243]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  153.165301][ T3243]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  153.165303][ T3243]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  153.165305][ T3243]  ? netdev_notice (net/core/dev.c:13194)
[  153.165307][ T3243]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  153.165314][ T3243]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  153.165316][ T3243]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  153.165318][ T3243]  netif_set_promiscuity (net/core/dev.c:9699)
[  153.165321][ T3243]  dev_set_promiscuity (net/core/dev_api.c:288)
[  153.165323][ T3243]  ? dev_disable_lro (net/core/dev_api.c:267)
[  153.165324][ T3243] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  153.165328][ T3243] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  153.165332][ T3243]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  153.165334][ T3243] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  153.165338][ T3243]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  153.165342][ T3243] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  153.165346][ T3243]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  153.165349][ T3243]  ? __nla_validate_parse (lib/nlattr.c:635)
[  153.165354][ T3243]  ? __nla_parse (lib/nlattr.c:732)
[  153.165356][ T3243]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  153.165360][ T3243]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  153.165362][ T3243]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  153.165365][ T3243]  ? security_capable (security/security.c:660 (discriminator 11))
[  153.165368][ T3243]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  153.165371][ T3243]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  153.165373][ T3243]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  153.165377][ T3243]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  153.165380][ T3243]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  153.165382][ T3243]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  153.165384][ T3243]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  153.165386][ T3243]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  153.165388][ T3243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  153.165391][ T3243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.165393][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.165394][ T3243]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  153.165396][ T3243]  genl_rcv (net/netlink/genetlink.c:1218)
[  153.165398][ T3243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  153.165400][ T3243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  153.165401][ T3243]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  153.165405][ T3243]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  153.165407][ T3243]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  153.165409][ T3243]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  153.165411][ T3243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.165413][ T3243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.165415][ T3243]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  153.165417][ T3243]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  153.165420][ T3243]  __sys_sendto (net/socket.c:2281)
[  153.165423][ T3243]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  153.165424][ T3243]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  153.165427][ T3243]  ? do_futex (kernel/futex/syscalls.c:133)
[  153.165429][ T3243]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  153.165432][ T3243]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  153.165433][ T3243]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  153.165435][ T3243]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  153.165437][ T3243]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  153.165438][ T3243]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  153.165440][ T3243]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  153.165443][ T3243]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  153.165445][ T3243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  153.165447][ T3243] RIP: 0033:0x7f79fdda2312
[  153.165449][ T3243] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  153.165451][ T3243] RSP: 002b:00007ffc744319e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  153.165455][ T3243] RAX: ffffffffffffffda RBX: 00007ffc74431b18 RCX: 00007f79fdda2312
[  153.165456][ T3243] RDX: 0000000000000030 RSI: 00007f79f9943870 RDI: 0000000000000023
[  153.165457][ T3243] RBP: 00007ffc74431a10 R08: 00007ffc74431b90 R09: 000000000000000c
[  153.165458][ T3243] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f79fbc022e0
[  153.165459][ T3243] R13: 00007ffc74431b18 R14: 00007f79fd6c101a R15: 00007ffc74431f08
| [  161.211076][ T3389] softirqs last disabled at (0): 0x0
| [  161.211078][ T3389] Preemption disabled at:
| [  161.211079][ T3389] vprintk_emit (kernel/printk/printk.c:2471)
| [  161.211089][ T3389] Tainted: [W]=WARN
[  161.211090][ T3389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  161.211092][ T3389] Call Trace:
[  161.211093][ T3389]  <TASK>
[  161.211094][ T3389]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  161.211100][ T3389]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  161.211101][ T3389]  __might_resched.cold (kernel/sched/core.c:9234)
[  161.211105][ T3389]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  161.211108][ T3389]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  161.211110][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211113][ T3389]  __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))
[  161.211116][ T3389]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.211119][ T3389]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.211124][ T3389]  ? 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)
[  161.211125][ T3389]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.211128][ T3389]  put_chars (drivers/char/virtio_console.c:1176)
[  161.211129][ T3389]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  161.211131][ T3389]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  161.211132][ T3389]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  161.211135][ T3389]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  161.211140][ T3389]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  161.211142][ T3389]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  161.211144][ T3389]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  161.211147][ T3389]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.211149][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211150][ T3389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.211153][ T3389]  console_emit_next_record (kernel/printk/printk.c:3183)
[  161.211155][ T3389]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  161.211157][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211158][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211159][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211160][ T3389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.211162][ T3389]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  161.211164][ T3389]  console_flush_one_record (kernel/printk/printk.c:3268)
[  161.211167][ T3389]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  161.211170][ T3389]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  161.211171][ T3389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.211173][ T3389]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  161.211175][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211176][ T3389]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.211177][ T3389]  ? 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)
[  161.211179][ T3389]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  161.211180][ T3389]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  161.211182][ T3389]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  161.211183][ T3389]  vprintk_emit (kernel/printk/printk.c:2479)
[  161.211185][ T3389]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  161.211186][ T3389]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  161.211190][ T3389]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  161.211197][ T3389]  _printk (kernel/printk/printk.c:2504)
[  161.211200][ T3389]  ? snapshot_read.cold (user.c:?)
[  161.211202][ T3389]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  161.211205][ T3389]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  161.211207][ T3389]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  161.211210][ T3389]  ? netdev_notice (net/core/dev.c:13194)
[  161.211211][ T3389]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  161.211214][ T3389]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  161.211217][ T3389]  ? 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)
[  161.211218][ T3389]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  161.211220][ T3389]  netif_set_promiscuity (net/core/dev.c:9699)
[  161.211223][ T3389]  dev_set_promiscuity (net/core/dev_api.c:288)
[  161.211225][ T3389]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  161.211229][ T3389] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  161.211235][ T3389] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  161.211239][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211240][ T3389]  notifier_call_chain (kernel/notifier.c:85)
[  161.211243][ T3389]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  161.211246][ T3389]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  161.211248][ T3389]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  161.211250][ T3389]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.211252][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211253][ T3389]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  161.211254][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211260][ T3389]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  161.211262][ T3389]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.211264][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211265][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211266][ T3389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.211268][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211269][ T3389]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.211270][ T3389]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  161.211278][ T3389]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  161.211280][ T3389]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  161.211282][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211283][ T3389]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  161.211286][ T3389]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  161.211289][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211290][ T3389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.211292][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211293][ T3389]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  161.211295][ T3389]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  161.211296][ T3389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  161.211298][ T3389]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  161.211301][ T3389]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  161.211304][ T3389]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  161.211307][ T3389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  161.211309][ T3389]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.211310][ T3389]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  161.211312][ T3389]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  161.211315][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211316][ T3389]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.211318][ T3389]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  161.211320][ T3389]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  161.211322][ T3389]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.211324][ T3389]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  161.211326][ T3389]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  161.211328][ T3389]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  161.211329][ T3389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.211331][ T3389]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  161.211334][ T3389]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  161.211337][ T3389]  ____sys_sendmsg (net/socket.c:2713)
[  161.211339][ T3389]  ? copy_msghdr_from_user (net/socket.c:2650)
[  161.211341][ T3389]  ? sock_write_iter (net/socket.c:1269)
[  161.211342][ T3389]  ? move_addr_to_kernel (net/socket.c:258)
[  161.211344][ T3389]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  161.211346][ T3389]  ___sys_sendmsg (net/socket.c:2767)
[  161.211348][ T3389]  ? copy_msghdr_from_user (net/socket.c:2619)
[  161.211353][ T3389]  __sys_sendmsg (net/socket.c:2799)
[  161.211355][ T3389]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  161.211358][ T3389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.211360][ T3389]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  161.211362][ T3389]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  161.211364][ T3389]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.211365][ T3389] RIP: 0033:0x7f1c0d75e54e
[  161.211367][ T3389] 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
[  161.211369][ T3389] RSP: 002b:00007fffbcbaae10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  161.211373][ T3389] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1c0d75e54e
[  161.211374][ T3389] RDX: 0000000000000000 RSI: 00007fffbcbaaec0 RDI: 0000000000000005
[  161.211375][ T3389] RBP: 00007fffbcbaae20 R08: 0000000000000000 R09: 0000000000000000
[  161.211376][ T3389] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919391
[  161.211377][ T3389] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbcbab580
| [  163.274459][ T3446] softirqs last disabled at (0): 0x0
| [  163.274461][ T3446] Preemption disabled at:
| [  163.274462][ T3446] vprintk_emit (kernel/printk/printk.c:2471)
| [  163.274472][ T3446] Tainted: [W]=WARN
[  163.274473][ T3446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  163.274475][ T3446] Call Trace:
[  163.274476][ T3446]  <TASK>
[  163.274477][ T3446]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  163.274482][ T3446]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  163.274484][ T3446]  __might_resched.cold (kernel/sched/core.c:9234)
[  163.274488][ T3446]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  163.274491][ T3446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.274494][ T3446]  __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))
[  163.274496][ T3446]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.274499][ T3446]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.274504][ T3446]  ? 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)
[  163.274506][ T3446]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.274508][ T3446]  put_chars (drivers/char/virtio_console.c:1176)
[  163.274509][ T3446]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  163.274511][ T3446]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  163.274514][ T3446]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  163.274518][ T3446]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  163.274520][ T3446]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.274522][ T3446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.274523][ T3446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.274526][ T3446]  console_emit_next_record (kernel/printk/printk.c:3183)
[  163.274528][ T3446]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  163.274530][ T3446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.274531][ T3446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.274532][ T3446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.274533][ T3446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.274535][ T3446]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  163.274537][ T3446]  console_flush_one_record (kernel/printk/printk.c:3268)
[  163.274539][ T3446]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  163.274542][ T3446]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  163.274543][ T3446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.274545][ T3446]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  163.274547][ T3446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.274548][ T3446]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.274549][ T3446]  ? 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)
[  163.274551][ T3446]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  163.274552][ T3446]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  163.274554][ T3446]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  163.274555][ T3446]  vprintk_emit (kernel/printk/printk.c:2479)
[  163.274557][ T3446]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  163.274558][ T3446]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  163.274560][ T3446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.274561][ T3446]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  163.274564][ T3446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.274566][ T3446]  _printk (kernel/printk/printk.c:2504)
[  163.274569][ T3446]  ? snapshot_read.cold (user.c:?)
[  163.274571][ T3446]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  163.274574][ T3446]  ? idr_get_free (??:?)
[  163.274576][ T3446]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  163.274583][ T3446]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  163.274589][ T3446]  ? nla_get_range_signed (lib/nlattr.c:270)
[  163.274593][ T3446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.274594][ T3446]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  163.274597][ T3446]  __nla_validate_parse (lib/nlattr.c:635)
[  163.274600][ T3446]  __nla_parse (lib/nlattr.c:732)
[  163.274602][ T3446]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  163.274604][ T3446]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.274606][ T3446]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  163.274608][ T3446]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  163.274611][ T3446]  ? security_capable (security/security.c:660 (discriminator 11))
[  163.274614][ T3446]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  163.274616][ T3446]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  163.274619][ T3446]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  163.274625][ T3446]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  163.274628][ T3446]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  163.274630][ T3446]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  163.274632][ T3446]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  163.274634][ T3446]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  163.274636][ T3446]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  163.274639][ T3446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.274640][ T3446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.274641][ T3446]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.274643][ T3446]  genl_rcv (net/netlink/genetlink.c:1218)
[  163.274645][ T3446]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  163.274647][ T3446]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  163.274649][ T3446]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  163.274652][ T3446]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  163.274654][ T3446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.274655][ T3446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.274657][ T3446]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  163.274660][ T3446]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  163.274663][ T3446]  __sys_sendto (net/socket.c:2281)
[  163.274665][ T3446]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  163.274669][ T3446]  ? fput_close_sync (fs/file_table.c:617)
[  163.274672][ T3446]  ? alloc_file_clone (fs/file_table.c:479)
[  163.274674][ T3446]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  163.274675][ T3446]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  163.274677][ T3446]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  163.274678][ T3446]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  163.274680][ T3446]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  163.274682][ T3446]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  163.274684][ T3446]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  163.274686][ T3446] RIP: 0033:0x7f4afb9f6312
[  163.274687][ T3446] 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)
[  163.274689][ T3446] RSP: 002b:00007ffd8b4df358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  163.274693][ T3446] RAX: ffffffffffffffda RBX: 00007ffd8b4df488 RCX: 00007f4afb9f6312
[  163.274694][ T3446] RDX: 0000000000000044 RSI: 00007f4af85cae20 RDI: 0000000000000020
[  163.274695][ T3446] RBP: 00007ffd8b4df380 R08: 00007ffd8b4df500 R09: 000000000000000c
[  163.274696][ T3446] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4af98560b0
[  163.274697][ T3446] R13: 00007ffd8b4df488 R14: 00007f4afb31501a R15: 00007ffd8b4df878
| [  164.920566][ T3532] softirqs last disabled at (0): 0x0
| [  164.920568][ T3532] Preemption disabled at:
| [  164.920569][ T3532] vprintk_emit (kernel/printk/printk.c:2471)
| [  164.920579][ T3532] Tainted: [W]=WARN
[  164.920583][ T3532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  164.920584][ T3532] Call Trace:
[  164.920586][ T3532]  <TASK>
[  164.920587][ T3532]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  164.920593][ T3532]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  164.920594][ T3532]  __might_resched.cold (kernel/sched/core.c:9234)
[  164.920598][ T3532]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  164.920601][ T3532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.920604][ T3532]  __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))
[  164.920606][ T3532]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  164.920609][ T3532]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  164.920614][ T3532]  ? 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)
[  164.920616][ T3532]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  164.920618][ T3532]  put_chars (drivers/char/virtio_console.c:1176)
[  164.920620][ T3532]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  164.920621][ T3532]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  164.920624][ T3532]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  164.920626][ T3532]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  164.920631][ T3532]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  164.920633][ T3532]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  164.920634][ T3532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.920635][ T3532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.920636][ T3532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.920638][ T3532]  console_emit_next_record (kernel/printk/printk.c:3183)
[  164.920641][ T3532]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  164.920643][ T3532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.920644][ T3532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.920645][ T3532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.920646][ T3532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.920648][ T3532]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  164.920650][ T3532]  console_flush_one_record (kernel/printk/printk.c:3268)
[  164.920652][ T3532]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  164.920655][ T3532]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  164.920656][ T3532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.920658][ T3532]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  164.920659][ T3532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.920660][ T3532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.920662][ T3532]  ? 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)
[  164.920663][ T3532]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  164.920665][ T3532]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  164.920667][ T3532]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  164.920668][ T3532]  vprintk_emit (kernel/printk/printk.c:2479)
[  164.920670][ T3532]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  164.920672][ T3532]  _printk (kernel/printk/printk.c:2504)
[  164.920675][ T3532]  ? snapshot_read.cold (user.c:?)
[  164.920677][ T3532]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  164.920679][ T3532]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  164.920683][ T3532]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  164.920685][ T3532]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  164.920688][ T3532]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  164.920690][ T3532]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  164.920693][ T3532]  ? netdev_notice (net/core/dev.c:13194)
[  164.920694][ T3532]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  164.920702][ T3532]  ? 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)
[  164.920704][ T3532]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  164.920706][ T3532]  netif_set_promiscuity (net/core/dev.c:9699)
[  164.920709][ T3532]  dev_set_promiscuity (net/core/dev_api.c:288)
[  164.920710][ T3532]  ? dev_disable_lro (net/core/dev_api.c:267)
[  164.920712][ T3532] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  164.920716][ T3532] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  164.920719][ T3532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.920721][ T3532] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  164.920725][ T3532]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  164.920729][ T3532] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  164.920733][ T3532]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  164.920736][ T3532]  ? __nla_validate_parse (lib/nlattr.c:635)
[  164.920740][ T3532]  ? __nla_parse (lib/nlattr.c:732)
[  164.920742][ T3532]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  164.920746][ T3532]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  164.920748][ T3532]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  164.920751][ T3532]  ? security_capable (security/security.c:660 (discriminator 11))
[  164.920754][ T3532]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  164.920757][ T3532]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  164.920759][ T3532]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  164.920762][ T3532]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  164.920765][ T3532]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  164.920767][ T3532]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  164.920769][ T3532]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  164.920771][ T3532]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  164.920773][ T3532]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  164.920775][ T3532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.920777][ T3532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.920778][ T3532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.920780][ T3532]  genl_rcv (net/netlink/genetlink.c:1218)
[  164.920782][ T3532]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  164.920784][ T3532]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  164.920786][ T3532]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  164.920789][ T3532]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  164.920791][ T3532]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  164.920793][ T3532]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  164.920795][ T3532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.920797][ T3532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.920798][ T3532]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  164.920801][ T3532]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  164.920804][ T3532]  __sys_sendto (net/socket.c:2281)
[  164.920806][ T3532]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  164.920808][ T3532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.920810][ T3532]  ? do_futex (kernel/futex/syscalls.c:133)
[  164.920812][ T3532]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  164.920815][ T3532]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  164.920819][ T3532]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  164.920821][ T3532]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  164.920823][ T3532]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  164.920824][ T3532]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  164.920825][ T3532]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  164.920829][ T3532]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  164.920831][ T3532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  164.920832][ T3532] RIP: 0033:0x7f0b23d61312
[  164.920835][ T3532] 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)
[  164.920836][ T3532] RSP: 002b:00007ffda8bb61e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  164.920840][ T3532] RAX: ffffffffffffffda RBX: 00007ffda8bb6318 RCX: 00007f0b23d61312
[  164.920841][ T3532] RDX: 0000000000000030 RSI: 00007f0b21a81a30 RDI: 0000000000000023
[  164.920842][ T3532] RBP: 00007ffda8bb6210 R08: 00007ffda8bb6390 R09: 000000000000000c
[  164.920843][ T3532] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0b21bba270
[  164.920844][ T3532] R13: 00007ffda8bb6318 R14: 00007f0b2368001a R15: 00007ffda8bb6708
| [  174.512569][ T3788] softirqs last disabled at (0): 0x0
| [  174.512570][ T3788] Preemption disabled at:
| [  174.512571][ T3788] vprintk_emit (kernel/printk/printk.c:2471)
| [  174.512583][ T3788] Tainted: [W]=WARN
[  174.512584][ T3788] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.512586][ T3788] Call Trace:
[  174.512587][ T3788]  <TASK>
[  174.512589][ T3788]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  174.512594][ T3788]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  174.512595][ T3788]  __might_resched.cold (kernel/sched/core.c:9234)
[  174.512599][ T3788]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  174.512602][ T3788]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  174.512604][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512607][ T3788]  __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))
[  174.512610][ T3788]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.512613][ T3788]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.512617][ T3788]  ? 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)
[  174.512619][ T3788]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.512622][ T3788]  put_chars (drivers/char/virtio_console.c:1176)
[  174.512623][ T3788]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  174.512625][ T3788]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  174.512626][ T3788]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  174.512629][ T3788]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  174.512634][ T3788]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  174.512636][ T3788]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  174.512637][ T3788]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  174.512640][ T3788]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.512642][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512643][ T3788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.512646][ T3788]  console_emit_next_record (kernel/printk/printk.c:3183)
[  174.512649][ T3788]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  174.512651][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512652][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512652][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512654][ T3788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.512656][ T3788]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  174.512657][ T3788]  console_flush_one_record (kernel/printk/printk.c:3268)
[  174.512660][ T3788]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  174.512662][ T3788]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  174.512664][ T3788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.512666][ T3788]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  174.512667][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512668][ T3788]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.512670][ T3788]  ? 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)
[  174.512671][ T3788]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  174.512673][ T3788]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  174.512675][ T3788]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  174.512676][ T3788]  vprintk_emit (kernel/printk/printk.c:2479)
[  174.512678][ T3788]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  174.512679][ T3788]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  174.512683][ T3788]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  174.512689][ T3788]  _printk (kernel/printk/printk.c:2504)
[  174.512692][ T3788]  ? snapshot_read.cold (user.c:?)
[  174.512694][ T3788]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  174.512698][ T3788]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  174.512700][ T3788]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  174.512702][ T3788]  ? netdev_notice (net/core/dev.c:13194)
[  174.512703][ T3788]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  174.512706][ T3788]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  174.512709][ T3788]  ? 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)
[  174.512710][ T3788]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  174.512713][ T3788]  netif_set_promiscuity (net/core/dev.c:9699)
[  174.512715][ T3788]  dev_set_promiscuity (net/core/dev_api.c:288)
[  174.512717][ T3788]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  174.512720][ T3788] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  174.512726][ T3788] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  174.512730][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512731][ T3788]  notifier_call_chain (kernel/notifier.c:85)
[  174.512735][ T3788]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  174.512737][ T3788]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  174.512740][ T3788]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  174.512741][ T3788]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.512743][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512744][ T3788]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.512745][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512751][ T3788]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  174.512753][ T3788]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.512755][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512756][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512757][ T3788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.512759][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512760][ T3788]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.512761][ T3788]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  174.512764][ T3788]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  174.512765][ T3788]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  174.512768][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512769][ T3788]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  174.512772][ T3788]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  174.512774][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512775][ T3788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.512777][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512778][ T3788]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.512780][ T3788]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  174.512781][ T3788]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.512783][ T3788]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.512785][ T3788]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  174.512789][ T3788]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  174.512792][ T3788]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.512793][ T3788]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.512795][ T3788]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  174.512796][ T3788]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  174.512799][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512800][ T3788]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.512802][ T3788]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.512804][ T3788]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  174.512806][ T3788]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.512808][ T3788]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  174.512810][ T3788]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  174.512812][ T3788]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  174.512813][ T3788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.512815][ T3788]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  174.512818][ T3788]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  174.512822][ T3788]  ____sys_sendmsg (net/socket.c:2713)
[  174.512823][ T3788]  ? copy_msghdr_from_user (net/socket.c:2650)
[  174.512825][ T3788]  ? sock_write_iter (net/socket.c:1269)
[  174.512826][ T3788]  ? move_addr_to_kernel (net/socket.c:258)
[  174.512828][ T3788]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.512830][ T3788]  ___sys_sendmsg (net/socket.c:2767)
[  174.512832][ T3788]  ? copy_msghdr_from_user (net/socket.c:2619)
[  174.512837][ T3788]  __sys_sendmsg (net/socket.c:2799)
[  174.512839][ T3788]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  174.512842][ T3788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.512843][ T3788]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.512846][ T3788]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  174.512848][ T3788]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.512849][ T3788] RIP: 0033:0x7f97cc8f054e
[  174.512851][ T3788] 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
[  174.512853][ T3788] RSP: 002b:00007ffcb3b1a4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  174.512857][ T3788] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f97cc8f054e
[  174.512858][ T3788] RDX: 0000000000000000 RSI: 00007ffcb3b1a580 RDI: 0000000000000005
[  174.512859][ T3788] RBP: 00007ffcb3b1a4e0 R08: 0000000000000000 R09: 0000000000000000
[  174.512860][ T3788] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91939e
[  174.512861][ T3788] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb3b1ac40
| [  176.584421][ T3845] softirqs last disabled at (0): 0x0
| [  176.584423][ T3845] Preemption disabled at:
| [  176.584423][ T3845] vprintk_emit (kernel/printk/printk.c:2471)
| [  176.584434][ T3845] Tainted: [W]=WARN
[  176.584435][ T3845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  176.584436][ T3845] Call Trace:
[  176.584438][ T3845]  <TASK>
[  176.584439][ T3845]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  176.584445][ T3845]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  176.584446][ T3845]  __might_resched.cold (kernel/sched/core.c:9234)
[  176.584450][ T3845]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  176.584453][ T3845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.584456][ T3845]  __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))
[  176.584459][ T3845]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  176.584462][ T3845]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  176.584467][ T3845]  ? 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)
[  176.584469][ T3845]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  176.584471][ T3845]  put_chars (drivers/char/virtio_console.c:1176)
[  176.584473][ T3845]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  176.584474][ T3845]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  176.584477][ T3845]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  176.584481][ T3845]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  176.584483][ T3845]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  176.584485][ T3845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.584486][ T3845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.584489][ T3845]  console_emit_next_record (kernel/printk/printk.c:3183)
[  176.584491][ T3845]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  176.584493][ T3845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.584494][ T3845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.584495][ T3845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.584496][ T3845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.584498][ T3845]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  176.584500][ T3845]  console_flush_one_record (kernel/printk/printk.c:3268)
[  176.584502][ T3845]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  176.584505][ T3845]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  176.584506][ T3845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.584508][ T3845]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  176.584509][ T3845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.584510][ T3845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.584512][ T3845]  ? 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)
[  176.584513][ T3845]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  176.584515][ T3845]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  176.584516][ T3845]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  176.584518][ T3845]  vprintk_emit (kernel/printk/printk.c:2479)
[  176.584519][ T3845]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  176.584521][ T3845]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  176.584522][ T3845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.584523][ T3845]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  176.584527][ T3845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.584529][ T3845]  _printk (kernel/printk/printk.c:2504)
[  176.584532][ T3845]  ? snapshot_read.cold (user.c:?)
[  176.584533][ T3845]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  176.584537][ T3845]  ? idr_get_free (??:?)
[  176.584539][ T3845]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  176.584542][ T3845]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  176.584549][ T3845]  ? nla_get_range_signed (lib/nlattr.c:270)
[  176.584553][ T3845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.584554][ T3845]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  176.584557][ T3845]  __nla_validate_parse (lib/nlattr.c:635)
[  176.584560][ T3845]  __nla_parse (lib/nlattr.c:732)
[  176.584562][ T3845]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  176.584564][ T3845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.584566][ T3845]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  176.584568][ T3845]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  176.584571][ T3845]  ? security_capable (security/security.c:660 (discriminator 11))
[  176.584574][ T3845]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  176.584576][ T3845]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  176.584578][ T3845]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  176.584589][ T3845]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  176.584592][ T3845]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  176.584594][ T3845]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  176.584596][ T3845]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  176.584598][ T3845]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  176.584600][ T3845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  176.584602][ T3845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.584604][ T3845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.584605][ T3845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.584607][ T3845]  genl_rcv (net/netlink/genetlink.c:1218)
[  176.584608][ T3845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  176.584611][ T3845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  176.584613][ T3845]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  176.584615][ T3845]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  176.584617][ T3845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.584619][ T3845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.584620][ T3845]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  176.584623][ T3845]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  176.584626][ T3845]  __sys_sendto (net/socket.c:2281)
[  176.584628][ T3845]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  176.584632][ T3845]  ? fput_close_sync (fs/file_table.c:617)
[  176.584635][ T3845]  ? alloc_file_clone (fs/file_table.c:479)
[  176.584637][ T3845]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  176.584638][ T3845]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  176.584640][ T3845]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  176.584641][ T3845]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  176.584643][ T3845]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  176.584645][ T3845]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  176.584647][ T3845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  176.584649][ T3845] RIP: 0033:0x7f5023be1312
[  176.584651][ T3845] 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)
[  176.584653][ T3845] RSP: 002b:00007ffd96aaf9d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  176.584657][ T3845] RAX: ffffffffffffffda RBX: 00007ffd96aafb08 RCX: 00007f5023be1312
[  176.584658][ T3845] RDX: 0000000000000048 RSI: 00007f5013752f10 RDI: 0000000000000020
[  176.584659][ T3845] RBP: 00007ffd96aafa00 R08: 00007ffd96aafb80 R09: 000000000000000c
[  176.584660][ T3845] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5021a3a120
[  176.584661][ T3845] R13: 00007ffd96aafb08 R14: 00007f502350001a R15: 00007ffd96aafef8
| [  178.229166][ T3931] softirqs last disabled at (0): 0x0
| [  178.229168][ T3931] Preemption disabled at:
| [  178.229169][ T3931] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.229179][ T3931] Tainted: [W]=WARN
[  178.229179][ T3931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.229181][ T3931] Call Trace:
[  178.229183][ T3931]  <TASK>
[  178.229184][ T3931]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.229190][ T3931]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.229191][ T3931]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.229195][ T3931]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.229198][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.229201][ T3931]  __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))
[  178.229203][ T3931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.229206][ T3931]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.229211][ T3931]  ? 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)
[  178.229213][ T3931]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.229215][ T3931]  put_chars (drivers/char/virtio_console.c:1176)
[  178.229217][ T3931]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.229218][ T3931]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  178.229221][ T3931]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  178.229223][ T3931]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.229227][ T3931]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.229229][ T3931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.229231][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.229232][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.229233][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.229236][ T3931]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.229238][ T3931]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.229240][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.229241][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.229243][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.229244][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.229246][ T3931]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  178.229247][ T3931]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.229250][ T3931]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.229252][ T3931]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.229254][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.229256][ T3931]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.229257][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.229258][ T3931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.229260][ T3931]  ? 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)
[  178.229262][ T3931]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  178.229263][ T3931]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.229265][ T3931]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.229266][ T3931]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.229268][ T3931]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.229270][ T3931]  _printk (kernel/printk/printk.c:2504)
[  178.229273][ T3931]  ? snapshot_read.cold (user.c:?)
[  178.229275][ T3931]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  178.229277][ T3931]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  178.229281][ T3931]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  178.229283][ T3931]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  178.229286][ T3931]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  178.229288][ T3931]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  178.229290][ T3931]  ? netdev_notice (net/core/dev.c:13194)
[  178.229292][ T3931]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  178.229300][ T3931]  ? 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)
[  178.229301][ T3931]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  178.229303][ T3931]  netif_set_promiscuity (net/core/dev.c:9699)
[  178.229306][ T3931]  dev_set_promiscuity (net/core/dev_api.c:288)
[  178.229307][ T3931]  ? dev_disable_lro (net/core/dev_api.c:267)
[  178.229309][ T3931] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  178.229313][ T3931] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  178.229316][ T3931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.229318][ T3931] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  178.229322][ T3931]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  178.229326][ T3931] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  178.229330][ T3931]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  178.229333][ T3931]  ? __nla_validate_parse (lib/nlattr.c:635)
[  178.229338][ T3931]  ? __nla_parse (lib/nlattr.c:732)
[  178.229346][ T3931]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  178.229350][ T3931]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  178.229352][ T3931]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  178.229355][ T3931]  ? security_capable (security/security.c:660 (discriminator 11))
[  178.229358][ T3931]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  178.229361][ T3931]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  178.229363][ T3931]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  178.229366][ T3931]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  178.229369][ T3931]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  178.229371][ T3931]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  178.229373][ T3931]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  178.229375][ T3931]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  178.229377][ T3931]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  178.229380][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.229382][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.229383][ T3931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.229385][ T3931]  genl_rcv (net/netlink/genetlink.c:1218)
[  178.229386][ T3931]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  178.229389][ T3931]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  178.229390][ T3931]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  178.229393][ T3931]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  178.229395][ T3931]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  178.229397][ T3931]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  178.229399][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.229401][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.229402][ T3931]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  178.229405][ T3931]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  178.229408][ T3931]  __sys_sendto (net/socket.c:2281)
[  178.229410][ T3931]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  178.229413][ T3931]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  178.229414][ T3931]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[  178.229419][ T3931]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  178.229421][ T3931]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  178.229422][ T3931]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  178.229424][ T3931]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  178.229425][ T3931]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  178.229427][ T3931]  ? irq_exit_rcu (kernel/softirq.c:786)
[  178.229430][ T3931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  178.229432][ T3931] RIP: 0033:0x7f4f2922f312
[  178.229434][ T3931] 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)
[  178.229435][ T3931] RSP: 002b:00007ffe2d176228 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  178.229439][ T3931] RAX: ffffffffffffffda RBX: 00007ffe2d176358 RCX: 00007f4f2922f312
[  178.229440][ T3931] RDX: 0000000000000030 RSI: 00007f4f24dfed30 RDI: 0000000000000023
[  178.229442][ T3931] RBP: 00007ffe2d176250 R08: 00007ffe2d1763d0 R09: 000000000000000c
[  178.229443][ T3931] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f270922e0
[  178.229443][ T3931] R13: 00007ffe2d176358 R14: 00007f4f28b4e01a R15: 00007ffe2d176748
| [  181.034072][ T4020] softirqs last disabled at (0): 0x0
| [  181.034074][ T4020] Preemption disabled at:
| [  181.034075][ T4020] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.034085][ T4020] Tainted: [W]=WARN
[  181.034086][ T4020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.034088][ T4020] Call Trace:
[  181.034089][ T4020]  <TASK>
[  181.034090][ T4020]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.034096][ T4020]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.034097][ T4020]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.034101][ T4020]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.034104][ T4020]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  181.034107][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034110][ T4020]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  181.034113][ T4020]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.034116][ T4020]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.034120][ T4020]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  181.034122][ T4020]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.034125][ T4020]  put_chars (drivers/char/virtio_console.c:1176)
[  181.034126][ T4020]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.034128][ T4020]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  181.034130][ T4020]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.034135][ T4020]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.034137][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034138][ T4020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.034141][ T4020]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.034143][ T4020]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.034145][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034146][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034147][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034148][ T4020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.034150][ T4020]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  181.034152][ T4020]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.034154][ T4020]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.034157][ T4020]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.034159][ T4020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.034160][ T4020]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.034162][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034163][ T4020]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.034164][ T4020]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  181.034166][ T4020]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  181.034167][ T4020]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.034169][ T4020]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.034170][ T4020]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.034172][ T4020]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.034173][ T4020]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  181.034175][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034176][ T4020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.034178][ T4020]  _printk (kernel/printk/printk.c:2504)
[  181.034181][ T4020]  ? snapshot_read.cold (user.c:?)
[  181.034183][ T4020]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  181.034186][ T4020]  ? idr_get_free (??:?)
[  181.034188][ T4020]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  181.034195][ T4020]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  181.034199][ T4020] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  181.034204][ T4020]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  181.034208][ T4020]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  181.034210][ T4020]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  181.034214][ T4020]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  181.034215][ T4020]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  181.034217][ T4020]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.034219][ T4020]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.034220][ T4020]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.034223][ T4020]  ? __sys_sendto (net/socket.c:2281)
[  181.034225][ T4020]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  181.034231][ T4020]  ? __nla_parse (lib/nlattr.c:732)
[  181.034234][ T4020]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  181.034237][ T4020]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  181.034239][ T4020]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  181.034242][ T4020]  ? security_capable (security/security.c:660 (discriminator 11))
[  181.034245][ T4020]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  181.034248][ T4020]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  181.034250][ T4020]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  181.034253][ T4020]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.034256][ T4020]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  181.034258][ T4020]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  181.034260][ T4020]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.034262][ T4020]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  181.034264][ T4020]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.034266][ T4020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.034268][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034269][ T4020]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.034271][ T4020]  genl_rcv (net/netlink/genetlink.c:1218)
[  181.034272][ T4020]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.034275][ T4020]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.034277][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034278][ T4020]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.034280][ T4020]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.034282][ T4020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.034284][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034285][ T4020]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.034286][ T4020]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  181.034289][ T4020]  __sys_sendto (net/socket.c:2281)
[  181.034291][ T4020]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  181.034295][ T4020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.034296][ T4020]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.034298][ T4020]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  181.034300][ T4020]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.034301][ T4020]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  181.034303][ T4020]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  181.034304][ T4020]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.034306][ T4020]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.034308][ T4020]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.034310][ T4020] RIP: 0033:0x7fb52a3f2312
[  181.034312][ T4020] 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)
[  181.034314][ T4020] RSP: 002b:00007ffe9490aa88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  181.034318][ T4020] RAX: ffffffffffffffda RBX: 00007ffe9490abb8 RCX: 00007fb52a3f2312
[  181.034319][ T4020] RDX: 00000000000000b0 RSI: 00007fb5280cf930 RDI: 0000000000000026
[  181.034320][ T4020] RBP: 00007ffe9490aab0 R08: 00007ffe9490ac30 R09: 000000000000000c
[  181.034321][ T4020] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb528252350
[  181.034322][ T4020] R13: 00007ffe9490abb8 R14: 00007fb529d1101a R15: 00007ffe9490afa8
| [  188.910577][ T4223] softirqs last disabled at (0): 0x0
| [  188.910579][ T4223] Preemption disabled at:
| [  188.910580][ T4223] vprintk_emit (kernel/printk/printk.c:2471)
| [  188.910592][ T4223] Tainted: [W]=WARN
[  188.910594][ T4223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  188.910595][ T4223] Call Trace:
[  188.910597][ T4223]  <TASK>
[  188.910598][ T4223]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  188.910603][ T4223]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  188.910604][ T4223]  __might_resched.cold (kernel/sched/core.c:9234)
[  188.910608][ T4223]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  188.910611][ T4223]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  188.910613][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910616][ T4223]  __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))
[  188.910619][ T4223]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.910622][ T4223]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.910626][ T4223]  ? 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)
[  188.910628][ T4223]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.910630][ T4223]  put_chars (drivers/char/virtio_console.c:1176)
[  188.910632][ T4223]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  188.910634][ T4223]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  188.910635][ T4223]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  188.910638][ T4223]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  188.910643][ T4223]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  188.910645][ T4223]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  188.910646][ T4223]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  188.910649][ T4223]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.910651][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910652][ T4223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.910655][ T4223]  console_emit_next_record (kernel/printk/printk.c:3183)
[  188.910657][ T4223]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  188.910659][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910660][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910661][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910662][ T4223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.910664][ T4223]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  188.910666][ T4223]  console_flush_one_record (kernel/printk/printk.c:3268)
[  188.910668][ T4223]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  188.910671][ T4223]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  188.910673][ T4223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.910674][ T4223]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  188.910676][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910677][ T4223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.910678][ T4223]  ? 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)
[  188.910680][ T4223]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  188.910681][ T4223]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  188.910683][ T4223]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  188.910684][ T4223]  vprintk_emit (kernel/printk/printk.c:2479)
[  188.910686][ T4223]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  188.910688][ T4223]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  188.910691][ T4223]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  188.910698][ T4223]  _printk (kernel/printk/printk.c:2504)
[  188.910701][ T4223]  ? snapshot_read.cold (user.c:?)
[  188.910703][ T4223]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  188.910706][ T4223]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  188.910708][ T4223]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  188.910710][ T4223]  ? netdev_notice (net/core/dev.c:13194)
[  188.910712][ T4223]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  188.910715][ T4223]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  188.910717][ T4223]  ? 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)
[  188.910719][ T4223]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  188.910721][ T4223]  netif_set_promiscuity (net/core/dev.c:9699)
[  188.910724][ T4223]  dev_set_promiscuity (net/core/dev_api.c:288)
[  188.910726][ T4223]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  188.910729][ T4223] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  188.910735][ T4223] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  188.910739][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910741][ T4223]  notifier_call_chain (kernel/notifier.c:85)
[  188.910744][ T4223]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  188.910746][ T4223]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  188.910748][ T4223]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  188.910750][ T4223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.910752][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910753][ T4223]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  188.910754][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910760][ T4223]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  188.910762][ T4223]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  188.910764][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910765][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910766][ T4223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.910768][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910769][ T4223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.910770][ T4223]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  188.910773][ T4223]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  188.910775][ T4223]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  188.910777][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910778][ T4223]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  188.910782][ T4223]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  188.910784][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910785][ T4223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.910786][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910787][ T4223]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  188.910789][ T4223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  188.910791][ T4223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  188.910792][ T4223]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  188.910795][ T4223]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  188.910798][ T4223]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  188.910801][ T4223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  188.910802][ T4223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.910804][ T4223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  188.910805][ T4223]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  188.910808][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910809][ T4223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.910811][ T4223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  188.910813][ T4223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  188.910815][ T4223]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  188.910817][ T4223]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  188.910819][ T4223]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  188.910820][ T4223]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  188.910822][ T4223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.910824][ T4223]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  188.910827][ T4223]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  188.910830][ T4223]  ____sys_sendmsg (net/socket.c:2713)
[  188.910831][ T4223]  ? copy_msghdr_from_user (net/socket.c:2650)
[  188.910833][ T4223]  ? sock_write_iter (net/socket.c:1269)
[  188.910834][ T4223]  ? move_addr_to_kernel (net/socket.c:258)
[  188.910836][ T4223]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  188.910838][ T4223]  ___sys_sendmsg (net/socket.c:2767)
[  188.910840][ T4223]  ? copy_msghdr_from_user (net/socket.c:2619)
[  188.910845][ T4223]  __sys_sendmsg (net/socket.c:2799)
[  188.910847][ T4223]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  188.910850][ T4223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.910851][ T4223]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  188.910853][ T4223]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  188.910855][ T4223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  188.910857][ T4223] RIP: 0033:0x7fe561d9654e
[  188.910859][ T4223] 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
[  188.910860][ T4223] RSP: 002b:00007fffd985c710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  188.910864][ T4223] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe561d9654e
[  188.910865][ T4223] RDX: 0000000000000000 RSI: 00007fffd985c7c0 RDI: 0000000000000005
[  188.910866][ T4223] RBP: 00007fffd985c720 R08: 0000000000000000 R09: 0000000000000000
[  188.910867][ T4223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9193ad
[  188.910868][ T4223] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd985ce80
| [  191.039018][ T4280] softirqs last disabled at (0): 0x0
| [  191.039020][ T4280] Preemption disabled at:
| [  191.039021][ T4280] vprintk_emit (kernel/printk/printk.c:2471)
| [  191.039031][ T4280] Tainted: [W]=WARN
[  191.039032][ T4280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  191.039033][ T4280] Call Trace:
[  191.039035][ T4280]  <TASK>
[  191.039036][ T4280]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  191.039041][ T4280]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  191.039043][ T4280]  __might_resched.cold (kernel/sched/core.c:9234)
[  191.039047][ T4280]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  191.039050][ T4280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.039053][ T4280]  __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))
[  191.039056][ T4280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.039058][ T4280]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.039063][ T4280]  ? 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)
[  191.039065][ T4280]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.039067][ T4280]  put_chars (drivers/char/virtio_console.c:1176)
[  191.039069][ T4280]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  191.039071][ T4280]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  191.039073][ T4280]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  191.039078][ T4280]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  191.039080][ T4280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.039081][ T4280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.039082][ T4280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.039085][ T4280]  console_emit_next_record (kernel/printk/printk.c:3183)
[  191.039088][ T4280]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  191.039090][ T4280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.039091][ T4280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.039091][ T4280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.039092][ T4280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.039094][ T4280]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  191.039096][ T4280]  console_flush_one_record (kernel/printk/printk.c:3268)
[  191.039098][ T4280]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  191.039101][ T4280]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  191.039103][ T4280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.039104][ T4280]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  191.039106][ T4280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.039107][ T4280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.039108][ T4280]  ? 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)
[  191.039110][ T4280]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  191.039111][ T4280]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  191.039113][ T4280]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  191.039115][ T4280]  vprintk_emit (kernel/printk/printk.c:2479)
[  191.039116][ T4280]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  191.039117][ T4280]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  191.039119][ T4280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.039120][ T4280]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  191.039124][ T4280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.039126][ T4280]  _printk (kernel/printk/printk.c:2504)
[  191.039129][ T4280]  ? snapshot_read.cold (user.c:?)
[  191.039130][ T4280]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  191.039134][ T4280]  ? idr_get_free (??:?)
[  191.039136][ T4280]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  191.039139][ T4280]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  191.039145][ T4280]  ? nla_get_range_signed (lib/nlattr.c:270)
[  191.039150][ T4280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.039151][ T4280]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  191.039153][ T4280]  __nla_validate_parse (lib/nlattr.c:635)
[  191.039156][ T4280]  __nla_parse (lib/nlattr.c:732)
[  191.039158][ T4280]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  191.039160][ T4280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.039162][ T4280]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  191.039164][ T4280]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  191.039168][ T4280]  ? security_capable (security/security.c:660 (discriminator 11))
[  191.039171][ T4280]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  191.039173][ T4280]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  191.039175][ T4280]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  191.039182][ T4280]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  191.039184][ T4280]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  191.039187][ T4280]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  191.039189][ T4280]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  191.039190][ T4280]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  191.039193][ T4280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  191.039195][ T4280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.039197][ T4280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.039198][ T4280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.039200][ T4280]  genl_rcv (net/netlink/genetlink.c:1218)
[  191.039201][ T4280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  191.039204][ T4280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  191.039206][ T4280]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  191.039208][ T4280]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  191.039210][ T4280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.039212][ T4280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.039213][ T4280]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  191.039216][ T4280]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  191.039219][ T4280]  __sys_sendto (net/socket.c:2281)
[  191.039221][ T4280]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  191.039225][ T4280]  ? fput_close_sync (fs/file_table.c:617)
[  191.039228][ T4280]  ? alloc_file_clone (fs/file_table.c:479)
[  191.039230][ T4280]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  191.039231][ T4280]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  191.039233][ T4280]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  191.039234][ T4280]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  191.039235][ T4280]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  191.039238][ T4280]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  191.039240][ T4280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  191.039242][ T4280] RIP: 0033:0x7f2ab6230312
[  191.039244][ T4280] 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)
[  191.039245][ T4280] RSP: 002b:00007ffe803dc938 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  191.039249][ T4280] RAX: ffffffffffffffda RBX: 00007ffe803dca68 RCX: 00007f2ab6230312
[  191.039250][ T4280] RDX: 0000000000000044 RSI: 00007f2ab1e06e20 RDI: 0000000000000020
[  191.039251][ T4280] RBP: 00007ffe803dc960 R08: 00007ffe803dcae0 R09: 000000000000000c
[  191.039252][ T4280] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ab409a120
[  191.039253][ T4280] R13: 00007ffe803dca68 R14: 00007f2ab5b4f01a R15: 00007ffe803dce58
| [  192.679814][ T4366] softirqs last disabled at (0): 0x0
| [  192.679815][ T4366] Preemption disabled at:
| [  192.679816][ T4366] vprintk_emit (kernel/printk/printk.c:2471)
| [  192.679825][ T4366] Tainted: [W]=WARN
[  192.679826][ T4366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  192.679828][ T4366] Call Trace:
[  192.679829][ T4366]  <TASK>
[  192.679830][ T4366]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  192.679836][ T4366]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  192.679837][ T4366]  __might_resched.cold (kernel/sched/core.c:9234)
[  192.679841][ T4366]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  192.679844][ T4366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.679847][ T4366]  __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))
[  192.679850][ T4366]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  192.679853][ T4366]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  192.679858][ T4366]  ? 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)
[  192.679860][ T4366]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  192.679862][ T4366]  put_chars (drivers/char/virtio_console.c:1176)
[  192.679864][ T4366]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  192.679865][ T4366]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  192.679868][ T4366]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  192.679870][ T4366]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  192.679875][ T4366]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  192.679876][ T4366]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  192.679878][ T4366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.679879][ T4366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.679880][ T4366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.679883][ T4366]  console_emit_next_record (kernel/printk/printk.c:3183)
[  192.679886][ T4366]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  192.679888][ T4366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.679889][ T4366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.679889][ T4366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.679891][ T4366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.679892][ T4366]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  192.679894][ T4366]  console_flush_one_record (kernel/printk/printk.c:3268)
[  192.679897][ T4366]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  192.679899][ T4366]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  192.679901][ T4366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.679903][ T4366]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  192.679904][ T4366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.679905][ T4366]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  192.679907][ T4366]  ? 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)
[  192.679908][ T4366]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  192.679910][ T4366]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  192.679912][ T4366]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  192.679913][ T4366]  vprintk_emit (kernel/printk/printk.c:2479)
[  192.679915][ T4366]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  192.679917][ T4366]  _printk (kernel/printk/printk.c:2504)
[  192.679920][ T4366]  ? snapshot_read.cold (user.c:?)
[  192.679922][ T4366]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  192.679924][ T4366]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  192.679928][ T4366]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  192.679930][ T4366]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  192.679933][ T4366]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  192.679935][ T4366]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  192.679937][ T4366]  ? netdev_notice (net/core/dev.c:13194)
[  192.679939][ T4366]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  192.679946][ T4366]  ? 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)
[  192.679948][ T4366]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  192.679950][ T4366]  netif_set_promiscuity (net/core/dev.c:9699)
[  192.679953][ T4366]  dev_set_promiscuity (net/core/dev_api.c:288)
[  192.679955][ T4366]  ? dev_disable_lro (net/core/dev_api.c:267)
[  192.679956][ T4366] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  192.679960][ T4366] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  192.679963][ T4366]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  192.679965][ T4366] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  192.679969][ T4366]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  192.679973][ T4366] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  192.679977][ T4366]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  192.679980][ T4366]  ? __nla_validate_parse (lib/nlattr.c:635)
[  192.679984][ T4366]  ? __nla_parse (lib/nlattr.c:732)
[  192.679986][ T4366]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  192.679990][ T4366]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  192.679992][ T4366]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  192.679996][ T4366]  ? security_capable (security/security.c:660 (discriminator 11))
[  192.679999][ T4366]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  192.680001][ T4366]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  192.680003][ T4366]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  192.680006][ T4366]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  192.680009][ T4366]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  192.680011][ T4366]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  192.680014][ T4366]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  192.680015][ T4366]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  192.680017][ T4366]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  192.680020][ T4366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.680021][ T4366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.680023][ T4366]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  192.680024][ T4366]  genl_rcv (net/netlink/genetlink.c:1218)
[  192.680026][ T4366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  192.680028][ T4366]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  192.680030][ T4366]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  192.680033][ T4366]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  192.680036][ T4366]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  192.680038][ T4366]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  192.680040][ T4366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.680041][ T4366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.680043][ T4366]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  192.680045][ T4366]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  192.680049][ T4366]  __sys_sendto (net/socket.c:2281)
[  192.680051][ T4366]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  192.680054][ T4366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.680056][ T4366]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  192.680058][ T4366]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  192.680059][ T4366]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  192.680061][ T4366]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  192.680062][ T4366]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  192.680064][ T4366]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  192.680067][ T4366]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  192.680069][ T4366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  192.680071][ T4366] RIP: 0033:0x7fbd8959d312
[  192.680073][ T4366] 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)
[  192.680075][ T4366] RSP: 002b:00007ffc97484c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  192.680078][ T4366] RAX: ffffffffffffffda RBX: 00007ffc97484d68 RCX: 00007fbd8959d312
[  192.680080][ T4366] RDX: 0000000000000030 RSI: 00007fbd85193570 RDI: 0000000000000023
[  192.680080][ T4366] RBP: 00007ffc97484c60 R08: 00007ffc97484de0 R09: 000000000000000c
[  192.680081][ T4366] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd873f62e0
[  192.680082][ T4366] R13: 00007ffc97484d68 R14: 00007fbd88ebc01a R15: 00007ffc97485158
| [  198.812390][ T4517] softirqs last disabled at (0): 0x0
| [  198.812392][ T4517] Preemption disabled at:
| [  198.812393][ T4517] vprintk_emit (kernel/printk/printk.c:2471)
| [  198.812403][ T4517] Tainted: [W]=WARN
[  198.812404][ T4517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  198.812406][ T4517] Call Trace:
[  198.812407][ T4517]  <TASK>
[  198.812408][ T4517]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  198.812414][ T4517]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  198.812415][ T4517]  __might_resched.cold (kernel/sched/core.c:9234)
[  198.812419][ T4517]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  198.812426][ T4517]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  198.812428][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812431][ T4517]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  198.812434][ T4517]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.812437][ T4517]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.812442][ T4517]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  198.812443][ T4517]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.812446][ T4517]  put_chars (drivers/char/virtio_console.c:1176)
[  198.812447][ T4517]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  198.812449][ T4517]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  198.812450][ T4517]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  198.812453][ T4517]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  198.812458][ T4517]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  198.812460][ T4517]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  198.812461][ T4517]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  198.812465][ T4517]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.812466][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812468][ T4517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.812470][ T4517]  console_emit_next_record (kernel/printk/printk.c:3183)
[  198.812472][ T4517]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  198.812474][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812475][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812476][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812477][ T4517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.812479][ T4517]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  198.812481][ T4517]  console_flush_one_record (kernel/printk/printk.c:3268)
[  198.812483][ T4517]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  198.812486][ T4517]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  198.812488][ T4517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.812489][ T4517]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  198.812491][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812492][ T4517]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.812493][ T4517]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  198.812495][ T4517]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  198.812496][ T4517]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  198.812498][ T4517]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  198.812499][ T4517]  vprintk_emit (kernel/printk/printk.c:2479)
[  198.812501][ T4517]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  198.812502][ T4517]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  198.812506][ T4517]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  198.812512][ T4517]  _printk (kernel/printk/printk.c:2504)
[  198.812515][ T4517]  ? snapshot_read.cold (user.c:?)
[  198.812517][ T4517]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  198.812521][ T4517]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  198.812523][ T4517]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  198.812525][ T4517]  ? netdev_notice (net/core/dev.c:13194)
[  198.812526][ T4517]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  198.812529][ T4517]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  198.812532][ T4517]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  198.812533][ T4517]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  198.812535][ T4517]  netif_set_promiscuity (net/core/dev.c:9699)
[  198.812538][ T4517]  dev_set_promiscuity (net/core/dev_api.c:288)
[  198.812540][ T4517]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  198.812544][ T4517] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  198.812549][ T4517] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  198.812553][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812554][ T4517]  notifier_call_chain (kernel/notifier.c:85)
[  198.812558][ T4517]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  198.812560][ T4517]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  198.812562][ T4517]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  198.812564][ T4517]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.812566][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812567][ T4517]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  198.812568][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812576][ T4517]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  198.812578][ T4517]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  198.812580][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812581][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812582][ T4517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.812584][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812585][ T4517]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.812587][ T4517]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  198.812590][ T4517]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  198.812591][ T4517]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  198.812594][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812595][ T4517]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  198.812598][ T4517]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  198.812600][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812601][ T4517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.812603][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812604][ T4517]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  198.812605][ T4517]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  198.812607][ T4517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  198.812608][ T4517]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  198.812611][ T4517]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  198.812615][ T4517]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  198.812618][ T4517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  198.812619][ T4517]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.812620][ T4517]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  198.812622][ T4517]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  198.812625][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812626][ T4517]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.812628][ T4517]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  198.812630][ T4517]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  198.812632][ T4517]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  198.812634][ T4517]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  198.812636][ T4517]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  198.812637][ T4517]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  198.812639][ T4517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.812640][ T4517]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  198.812643][ T4517]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  198.812646][ T4517]  ____sys_sendmsg (net/socket.c:2713)
[  198.812648][ T4517]  ? copy_msghdr_from_user (net/socket.c:2650)
[  198.812650][ T4517]  ? sock_write_iter (net/socket.c:1269)
[  198.812651][ T4517]  ? move_addr_to_kernel (net/socket.c:258)
[  198.812653][ T4517]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  198.812655][ T4517]  ___sys_sendmsg (net/socket.c:2767)
[  198.812657][ T4517]  ? copy_msghdr_from_user (net/socket.c:2619)
[  198.812661][ T4517]  __sys_sendmsg (net/socket.c:2799)
[  198.812664][ T4517]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  198.812666][ T4517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.812668][ T4517]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  198.812670][ T4517]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  198.812672][ T4517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  198.812673][ T4517] RIP: 0033:0x7f8dc3fb754e
[  198.812675][ T4517] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  198.812677][ T4517] RSP: 002b:00007ffc680e1110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  198.812681][ T4517] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8dc3fb754e
[  198.812682][ T4517] RDX: 0000000000000000 RSI: 00007ffc680e11c0 RDI: 0000000000000005
[  198.812683][ T4517] RBP: 00007ffc680e1120 R08: 0000000000000000 R09: 0000000000000000
[  198.812684][ T4517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9193b7
[  198.812685][ T4517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc680e1880
| [  200.915902][ T4577] softirqs last disabled at (0): 0x0
| [  200.915904][ T4577] Preemption disabled at:
| [  200.915905][ T4577] vprintk_emit (kernel/printk/printk.c:2471)
| [  200.915915][ T4577] Tainted: [W]=WARN
[  200.915916][ T4577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  200.915917][ T4577] Call Trace:
[  200.915919][ T4577]  <TASK>
[  200.915920][ T4577]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  200.915925][ T4577]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  200.915926][ T4577]  __might_resched.cold (kernel/sched/core.c:9234)
[  200.915930][ T4577]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  200.915933][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.915936][ T4577]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  200.915939][ T4577]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  200.915942][ T4577]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.915947][ T4577]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  200.915948][ T4577]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.915951][ T4577]  put_chars (drivers/char/virtio_console.c:1176)
[  200.915952][ T4577]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  200.915954][ T4577]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  200.915957][ T4577]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  200.915961][ T4577]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  200.915963][ T4577]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  200.915965][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.915966][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.915969][ T4577]  console_emit_next_record (kernel/printk/printk.c:3183)
[  200.915971][ T4577]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  200.915973][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.915974][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.915975][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.915976][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.915978][ T4577]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  200.915980][ T4577]  console_flush_one_record (kernel/printk/printk.c:3268)
[  200.915982][ T4577]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  200.915985][ T4577]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  200.915987][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.915988][ T4577]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  200.915990][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.915991][ T4577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.915992][ T4577]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  200.915994][ T4577]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  200.915995][ T4577]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  200.915997][ T4577]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  200.915998][ T4577]  vprintk_emit (kernel/printk/printk.c:2479)
[  200.916000][ T4577]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  200.916001][ T4577]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  200.916003][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.916004][ T4577]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  200.916008][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.916010][ T4577]  _printk (kernel/printk/printk.c:2504)
[  200.916013][ T4577]  ? snapshot_read.cold (user.c:?)
[  200.916014][ T4577]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  200.916018][ T4577]  ? idr_get_free (??:?)
[  200.916020][ T4577]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  200.916023][ T4577]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  200.916030][ T4577]  ? nla_get_range_signed (lib/nlattr.c:270)
[  200.916034][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.916035][ T4577]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  200.916038][ T4577]  __nla_validate_parse (lib/nlattr.c:635)
[  200.916041][ T4577]  __nla_parse (lib/nlattr.c:732)
[  200.916043][ T4577]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  200.916045][ T4577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.916047][ T4577]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  200.916049][ T4577]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  200.916052][ T4577]  ? security_capable (security/security.c:660 (discriminator 11))
[  200.916055][ T4577]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  200.916057][ T4577]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  200.916060][ T4577]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  200.916066][ T4577]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  200.916069][ T4577]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  200.916071][ T4577]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  200.916073][ T4577]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  200.916075][ T4577]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  200.916077][ T4577]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  200.916080][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.916081][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.916083][ T4577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.916084][ T4577]  genl_rcv (net/netlink/genetlink.c:1218)
[  200.916086][ T4577]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  200.916088][ T4577]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  200.916091][ T4577]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  200.916093][ T4577]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  200.916095][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.916096][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.916098][ T4577]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  200.916101][ T4577]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  200.916104][ T4577]  __sys_sendto (net/socket.c:2281)
[  200.916107][ T4577]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  200.916110][ T4577]  ? fput_close_sync (fs/file_table.c:617)
[  200.916113][ T4577]  ? alloc_file_clone (fs/file_table.c:479)
[  200.916115][ T4577]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  200.916117][ T4577]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  200.916118][ T4577]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  200.916120][ T4577]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  200.916121][ T4577]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  200.916124][ T4577]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  200.916126][ T4577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  200.916128][ T4577] RIP: 0033:0x7f21fff84312
[  200.916130][ T4577] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  200.916131][ T4577] RSP: 002b:00007ffdf1d1b5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  200.916135][ T4577] RAX: ffffffffffffffda RBX: 00007ffdf1d1b6f8 RCX: 00007f21fff84312
[  200.916136][ T4577] RDX: 0000000000000044 RSI: 00007f21fc363000 RDI: 0000000000000020
[  200.916137][ T4577] RBP: 00007ffdf1d1b5f0 R08: 00007ffdf1d1b770 R09: 000000000000000c
[  200.916138][ T4577] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21fddee0b0
[  200.916139][ T4577] R13: 00007ffdf1d1b6f8 R14: 00007f21ff8a301a R15: 00007ffdf1d1bae8
| [  202.584472][ T4663] softirqs last disabled at (0): 0x0
| [  202.584474][ T4663] Preemption disabled at:
| [  202.584475][ T4663] vprintk_emit (kernel/printk/printk.c:2471)
| [  202.584485][ T4663] Tainted: [W]=WARN
[  202.584486][ T4663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  202.584488][ T4663] Call Trace:
[  202.584489][ T4663]  <TASK>
[  202.584490][ T4663]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  202.584496][ T4663]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  202.584497][ T4663]  __might_resched.cold (kernel/sched/core.c:9234)
[  202.584501][ T4663]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  202.584504][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584507][ 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))
[  202.584510][ T4663]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  202.584513][ T4663]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.584518][ 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)
[  202.584519][ T4663]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.584522][ T4663]  put_chars (drivers/char/virtio_console.c:1176)
[  202.584523][ T4663]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  202.584525][ T4663]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  202.584527][ T4663]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  202.584529][ T4663]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  202.584534][ T4663]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  202.584536][ T4663]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  202.584537][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584538][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584540][ T4663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.584542][ T4663]  console_emit_next_record (kernel/printk/printk.c:3183)
[  202.584545][ T4663]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  202.584547][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584548][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584549][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584550][ T4663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.584552][ T4663]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  202.584553][ T4663]  console_flush_one_record (kernel/printk/printk.c:3268)
[  202.584556][ T4663]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  202.584558][ T4663]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  202.584560][ T4663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.584562][ T4663]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  202.584563][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584564][ T4663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.584566][ 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)
[  202.584567][ T4663]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  202.584568][ T4663]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  202.584570][ T4663]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  202.584572][ T4663]  vprintk_emit (kernel/printk/printk.c:2479)
[  202.584573][ T4663]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  202.584575][ T4663]  _printk (kernel/printk/printk.c:2504)
[  202.584578][ T4663]  ? snapshot_read.cold (user.c:?)
[  202.584580][ T4663]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  202.584585][ T4663]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  202.584589][ T4663]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  202.584591][ T4663]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  202.584594][ T4663]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  202.584596][ T4663]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  202.584598][ T4663]  ? netdev_notice (net/core/dev.c:13194)
[  202.584600][ T4663]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  202.584608][ 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)
[  202.584609][ T4663]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  202.584612][ T4663]  netif_set_promiscuity (net/core/dev.c:9699)
[  202.584614][ T4663]  dev_set_promiscuity (net/core/dev_api.c:288)
[  202.584616][ T4663]  ? dev_disable_lro (net/core/dev_api.c:267)
[  202.584617][ T4663] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  202.584621][ T4663] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  202.584625][ T4663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.584627][ T4663] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  202.584631][ T4663]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  202.584634][ T4663] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  202.584638][ T4663]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  202.584641][ T4663]  ? __nla_validate_parse (lib/nlattr.c:635)
[  202.584645][ T4663]  ? __nla_parse (lib/nlattr.c:732)
[  202.584647][ T4663]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  202.584651][ T4663]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  202.584653][ T4663]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  202.584657][ T4663]  ? security_capable (security/security.c:660 (discriminator 11))
[  202.584660][ T4663]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  202.584662][ T4663]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  202.584664][ T4663]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  202.584667][ T4663]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  202.584670][ T4663]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  202.584672][ T4663]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  202.584675][ T4663]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  202.584676][ T4663]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  202.584678][ T4663]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  202.584681][ T4663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.584683][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584684][ T4663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.584686][ T4663]  genl_rcv (net/netlink/genetlink.c:1218)
[  202.584687][ T4663]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  202.584690][ T4663]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  202.584692][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584693][ T4663]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  202.584695][ T4663]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  202.584697][ T4663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.584699][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584700][ T4663]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  202.584703][ T4663]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  202.584706][ T4663]  __sys_sendto (net/socket.c:2281)
[  202.584708][ T4663]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  202.584711][ T4663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.584712][ T4663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.584714][ T4663]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  202.584716][ T4663]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  202.584719][ T4663]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  202.584720][ T4663]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  202.584722][ T4663]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  202.584725][ T4663]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  202.584727][ T4663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  202.584729][ T4663] RIP: 0033:0x7f75cbc7c312
[  202.584731][ 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)
[  202.584733][ T4663] RSP: 002b:00007ffda29a91e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  202.584737][ T4663] RAX: ffffffffffffffda RBX: 00007ffda29a9318 RCX: 00007f75cbc7c312
[  202.584738][ T4663] RDX: 0000000000000030 RSI: 00007f75bb7c8b70 RDI: 0000000000000023
[  202.584739][ T4663] RBP: 00007ffda29a9210 R08: 00007ffda29a9390 R09: 000000000000000c
[  202.584740][ T4663] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f75c9ae6270
[  202.584741][ T4663] R13: 00007ffda29a9318 R14: 00007f75cb59b01a R15: 00007ffda29a9708
| [  210.841249][ T4852] softirqs last disabled at (0): 0x0
| [  210.841251][ T4852] Preemption disabled at:
| [  210.841253][ T4852] vprintk_emit (kernel/printk/printk.c:2471)
| [  210.841265][ T4852] Tainted: [W]=WARN
[  210.841266][ T4852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  210.841269][ T4852] Call Trace:
[  210.841271][ T4852]  <TASK>
[  210.841272][ T4852]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  210.841279][ T4852]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  210.841281][ T4852]  __might_resched.cold (kernel/sched/core.c:9234)
[  210.841286][ T4852]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  210.841290][ T4852]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  210.841293][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841296][ T4852]  __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))
[  210.841300][ T4852]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  210.841304][ T4852]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.841310][ T4852]  ? 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)
[  210.841312][ T4852]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.841316][ T4852]  put_chars (drivers/char/virtio_console.c:1176)
[  210.841318][ T4852]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  210.841321][ T4852]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  210.841323][ T4852]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  210.841328][ T4852]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  210.841334][ T4852]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  210.841336][ T4852]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  210.841339][ T4852]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  210.841343][ T4852]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  210.841345][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841347][ T4852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.841351][ T4852]  console_emit_next_record (kernel/printk/printk.c:3183)
[  210.841355][ T4852]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  210.841358][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841360][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841361][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841363][ T4852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.841367][ T4852]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  210.841369][ T4852]  console_flush_one_record (kernel/printk/printk.c:3268)
[  210.841373][ T4852]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  210.841377][ T4852]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  210.841380][ T4852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.841383][ T4852]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  210.841385][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841387][ T4852]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  210.841389][ T4852]  ? 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)
[  210.841392][ T4852]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  210.841394][ T4852]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  210.841397][ T4852]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  210.841400][ T4852]  vprintk_emit (kernel/printk/printk.c:2479)
[  210.841403][ T4852]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  210.841405][ T4852]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  210.841409][ T4852]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  210.841419][ T4852]  _printk (kernel/printk/printk.c:2504)
[  210.841423][ T4852]  ? snapshot_read.cold (user.c:?)
[  210.841426][ T4852]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  210.841430][ T4852]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  210.841433][ T4852]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  210.841437][ T4852]  ? netdev_notice (net/core/dev.c:13194)
[  210.841439][ T4852]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  210.841442][ T4852]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  210.841447][ T4852]  ? 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)
[  210.841449][ T4852]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  210.841452][ T4852]  netif_set_promiscuity (net/core/dev.c:9699)
[  210.841456][ T4852]  dev_set_promiscuity (net/core/dev_api.c:288)
[  210.841458][ T4852]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  210.841463][ T4852] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  210.841478][ T4852] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  210.841484][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841486][ T4852]  notifier_call_chain (kernel/notifier.c:85)
[  210.841490][ T4852]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  210.841494][ T4852]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  210.841498][ T4852]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  210.841500][ T4852]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  210.841503][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841505][ T4852]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  210.841507][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841516][ T4852]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  210.841519][ T4852]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  210.841521][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841523][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841525][ T4852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.841527][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841529][ T4852]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  210.841531][ T4852]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  210.841534][ T4852]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  210.841536][ T4852]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  210.841539][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841541][ T4852]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  210.841545][ T4852]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  210.841548][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841549][ T4852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.841551][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841553][ T4852]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  210.841555][ T4852]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  210.841558][ T4852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  210.841560][ T4852]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  210.841564][ T4852]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  210.841569][ T4852]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  210.841572][ T4852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  210.841574][ T4852]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  210.841577][ T4852]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  210.841579][ T4852]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  210.841587][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841589][ T4852]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  210.841592][ T4852]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  210.841595][ T4852]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  210.841598][ T4852]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  210.841601][ T4852]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  210.841604][ T4852]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  210.841606][ T4852]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  210.841609][ T4852]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.841611][ T4852]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  210.841615][ T4852]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  210.841618][ T4852]  ____sys_sendmsg (net/socket.c:2713)
[  210.841621][ T4852]  ? copy_msghdr_from_user (net/socket.c:2650)
[  210.841623][ T4852]  ? sock_write_iter (net/socket.c:1269)
[  210.841625][ T4852]  ? move_addr_to_kernel (net/socket.c:258)
[  210.841627][ T4852]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  210.841631][ T4852]  ___sys_sendmsg (net/socket.c:2767)
[  210.841634][ T4852]  ? copy_msghdr_from_user (net/socket.c:2619)
[  210.841641][ T4852]  __sys_sendmsg (net/socket.c:2799)
[  210.841644][ T4852]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  210.841648][ T4852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.841651][ T4852]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  210.841654][ T4852]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  210.841657][ T4852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  210.841659][ T4852] RIP: 0033:0x7fb60edd954e
[  210.841662][ T4852] 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
[  210.841664][ T4852] RSP: 002b:00007fff3d6389d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  210.841669][ T4852] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb60edd954e
[  210.841671][ T4852] RDX: 0000000000000000 RSI: 00007fff3d638a80 RDI: 0000000000000005
[  210.841672][ T4852] RBP: 00007fff3d6389e0 R08: 0000000000000000 R09: 0000000000000000
[  210.841674][ T4852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9193c3
[  210.841675][ T4852] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3d639140
| [  212.966666][ T4909] softirqs last disabled at (0): 0x0
| [  212.966668][ T4909] Preemption disabled at:
| [  212.966669][ T4909] vprintk_emit (kernel/printk/printk.c:2471)
| [  212.966678][ T4909] Tainted: [W]=WARN
[  212.966679][ T4909] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  212.966681][ T4909] Call Trace:
[  212.966682][ T4909]  <TASK>
[  212.966684][ T4909]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  212.966689][ T4909]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  212.966690][ T4909]  __might_resched.cold (kernel/sched/core.c:9234)
[  212.966694][ T4909]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  212.966697][ T4909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.966700][ T4909]  __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))
[  212.966703][ T4909]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.966706][ T4909]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.966711][ T4909]  ? 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)
[  212.966713][ T4909]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.966715][ T4909]  put_chars (drivers/char/virtio_console.c:1176)
[  212.966717][ T4909]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  212.966718][ T4909]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  212.966721][ T4909]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  212.966723][ T4909]  ? pointer (lib/vsprintf.c:2577)
[  212.966726][ T4909]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  212.966731][ T4909]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  212.966732][ T4909]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.966734][ T4909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.966737][ T4909]  console_emit_next_record (kernel/printk/printk.c:3183)
[  212.966739][ T4909]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  212.966741][ T4909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.966742][ T4909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.966743][ T4909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.966744][ T4909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.966746][ T4909]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  212.966748][ T4909]  console_flush_one_record (kernel/printk/printk.c:3268)
[  212.966750][ T4909]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  212.966753][ T4909]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  212.966755][ T4909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.966756][ T4909]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  212.966758][ T4909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.966759][ T4909]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.966761][ T4909]  ? 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)
[  212.966762][ T4909]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  212.966763][ T4909]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  212.966765][ T4909]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  212.966767][ T4909]  vprintk_emit (kernel/printk/printk.c:2479)
[  212.966769][ T4909]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  212.966770][ T4909]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  212.966773][ T4909]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  212.966775][ T4909]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  212.966778][ T4909]  _printk (kernel/printk/printk.c:2504)
[  212.966781][ T4909]  ? snapshot_read.cold (user.c:?)
[  212.966783][ T4909]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  212.966786][ T4909]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  212.966788][ T4909]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  212.966791][ T4909]  ? netdev_notice (net/core/dev.c:13194)
[  212.966792][ T4909]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  212.966796][ T4909]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  212.966800][ T4909]  ? register_netdevice (net/core/dev.c:11556)
[  212.966803][ T4909]  ? 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)
[  212.966804][ T4909]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  212.966806][ T4909]  ? unregister_netdev (net/core/dev.c:12699)
[  212.966807][ T4909]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  212.966809][ T4909]  netif_set_promiscuity (net/core/dev.c:9699)
[  212.966812][ T4909]  dev_set_promiscuity (net/core/dev_api.c:288)
[  212.966814][ T4909] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  212.966821][ T4909] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  212.966824][ T4909] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  212.966829][ T4909] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  212.966833][ T4909]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  212.966836][ T4909]  ? __nla_validate_parse (lib/nlattr.c:635)
[  212.966840][ T4909]  ? __nla_parse (lib/nlattr.c:732)
[  212.966842][ T4909]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  212.966845][ T4909]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  212.966847][ T4909]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  212.966850][ T4909]  ? security_capable (security/security.c:660 (discriminator 11))
[  212.966853][ T4909]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  212.966856][ T4909]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  212.966858][ T4909]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  212.966861][ T4909]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  212.966864][ T4909]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  212.966866][ T4909]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  212.966868][ T4909]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  212.966870][ T4909]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  212.966872][ T4909]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  212.966875][ T4909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.966876][ T4909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.966878][ T4909]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.966880][ T4909]  genl_rcv (net/netlink/genetlink.c:1218)
[  212.966881][ T4909]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  212.966883][ T4909]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  212.966885][ T4909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.966887][ T4909]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  212.966889][ T4909]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  212.966891][ T4909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.966892][ T4909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.966894][ T4909]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  212.966897][ T4909]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  212.966900][ T4909]  __sys_sendto (net/socket.c:2281)
[  212.966902][ T4909]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  212.966906][ T4909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.966907][ T4909]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.966909][ T4909]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  212.966911][ T4909]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  212.966912][ T4909]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  212.966914][ T4909]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  212.966915][ T4909]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  212.966917][ T4909]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  212.966919][ T4909]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  212.966921][ T4909] RIP: 0033:0x7f8ac045e312
[  212.966923][ T4909] 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)
[  212.966925][ T4909] RSP: 002b:00007ffcc8c10af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  212.966928][ T4909] RAX: ffffffffffffffda RBX: 00007ffcc8c10c28 RCX: 00007f8ac045e312
[  212.966930][ T4909] RDX: 0000000000000034 RSI: 00007f8aaff8d830 RDI: 0000000000000020
[  212.966931][ T4909] RBP: 00007ffcc8c10b20 R08: 00007ffcc8c10ca0 R09: 000000000000000c
[  212.966932][ T4909] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8abe2be120
[  212.966932][ T4909] R13: 00007ffcc8c10c28 R14: 00007f8abfd7d01a R15: 00007ffcc8c11018
| [  213.983005][ T4958] softirqs last disabled at (0): 0x0
| [  213.983007][ T4958] Preemption disabled at:
| [  213.983007][ T4958] vprintk_emit (kernel/printk/printk.c:2471)
| [  213.983018][ T4958] Tainted: [W]=WARN
[  213.983019][ T4958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  213.983020][ T4958] Call Trace:
[  213.983022][ T4958]  <TASK>
[  213.983023][ T4958]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  213.983029][ T4958]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  213.983030][ T4958]  __might_resched.cold (kernel/sched/core.c:9234)
[  213.983034][ T4958]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  213.983037][ T4958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.983040][ T4958]  __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))
[  213.983043][ T4958]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  213.983046][ T4958]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.983051][ T4958]  ? 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)
[  213.983052][ T4958]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.983055][ T4958]  put_chars (drivers/char/virtio_console.c:1176)
[  213.983056][ T4958]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  213.983058][ T4958]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  213.983061][ T4958]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  213.983063][ T4958]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  213.983067][ T4958]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  213.983069][ T4958]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  213.983071][ T4958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.983072][ T4958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.983073][ T4958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.983076][ T4958]  console_emit_next_record (kernel/printk/printk.c:3183)
[  213.983078][ T4958]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  213.983080][ T4958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.983081][ T4958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.983083][ T4958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.983084][ T4958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.983087][ T4958]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  213.983090][ T4958]  console_flush_one_record (kernel/printk/printk.c:3268)
[  213.983092][ T4958]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  213.983095][ T4958]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  213.983096][ T4958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.983098][ T4958]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  213.983100][ T4958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.983101][ T4958]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.983102][ T4958]  ? 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)
[  213.983104][ T4958]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  213.983105][ T4958]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  213.983107][ T4958]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  213.983109][ T4958]  vprintk_emit (kernel/printk/printk.c:2479)
[  213.983110][ T4958]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  213.983112][ T4958]  _printk (kernel/printk/printk.c:2504)
[  213.983115][ T4958]  ? snapshot_read.cold (user.c:?)
[  213.983117][ T4958]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  213.983120][ T4958]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  213.983124][ T4958]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  213.983126][ T4958]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  213.983129][ T4958]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  213.983131][ T4958]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  213.983133][ T4958]  ? netdev_notice (net/core/dev.c:13194)
[  213.983135][ T4958]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  213.983142][ T4958]  ? 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)
[  213.983144][ T4958]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  213.983146][ T4958]  netif_set_promiscuity (net/core/dev.c:9699)
[  213.983149][ T4958]  dev_set_promiscuity (net/core/dev_api.c:288)
[  213.983151][ T4958]  ? dev_disable_lro (net/core/dev_api.c:267)
[  213.983152][ T4958] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  213.983156][ T4958] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  213.983160][ T4958]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.983162][ T4958] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  213.983166][ T4958]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  213.983169][ T4958] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  213.983173][ T4958]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  213.983176][ T4958]  ? __nla_validate_parse (lib/nlattr.c:635)
[  213.983181][ T4958]  ? __nla_parse (lib/nlattr.c:732)
[  213.983183][ T4958]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  213.983187][ T4958]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  213.983189][ T4958]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  213.983192][ T4958]  ? security_capable (security/security.c:660 (discriminator 11))
[  213.983195][ T4958]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  213.983197][ T4958]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  213.983199][ T4958]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  213.983203][ T4958]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  213.983206][ T4958]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  213.983208][ T4958]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  213.983210][ T4958]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  213.983212][ T4958]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  213.983214][ T4958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  213.983217][ T4958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.983218][ T4958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.983220][ T4958]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.983222][ T4958]  genl_rcv (net/netlink/genetlink.c:1218)
[  213.983223][ T4958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  213.983225][ T4958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  213.983227][ T4958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.983228][ T4958]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  213.983231][ T4958]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  213.983233][ T4958]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  213.983235][ T4958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.983237][ T4958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.983238][ T4958]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  213.983241][ T4958]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  213.983244][ T4958]  __sys_sendto (net/socket.c:2281)
[  213.983247][ T4958]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  213.983249][ T4958]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  213.983253][ T4958]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  213.983255][ T4958]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  213.983258][ T4958]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  213.983260][ T4958]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  213.983261][ T4958]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  213.983265][ T4958]  ? irq_exit_rcu (kernel/softirq.c:786)
[  213.983268][ T4958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  213.983270][ T4958] RIP: 0033:0x7fb5d2f01312
[  213.983272][ T4958] 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)
[  213.983274][ T4958] RSP: 002b:00007ffd3c1d20c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  213.983278][ T4958] RAX: ffffffffffffffda RBX: 00007ffd3c1d21f8 RCX: 00007fb5d2f01312
[  213.983279][ T4958] RDX: 0000000000000030 RSI: 00007fb5d02e50b0 RDI: 0000000000000023
[  213.983280][ T4958] RBP: 00007ffd3c1d20f0 R08: 00007ffd3c1d2270 R09: 000000000000000c
[  213.983281][ T4958] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d0d5a2e0
[  213.983282][ T4958] R13: 00007ffd3c1d21f8 R14: 00007fb5d282001a R15: 00007ffd3c1d25e8
| [  215.544420][ T5053] softirqs last disabled at (0): 0x0
| [  215.544422][ T5053] Preemption disabled at:
| [  215.544423][ T5053] vprintk_emit (kernel/printk/printk.c:2471)
| [  215.544434][ T5053] Tainted: [W]=WARN
[  215.544435][ T5053] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  215.544436][ T5053] Call Trace:
[  215.544438][ T5053]  <TASK>
[  215.544439][ T5053]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  215.544445][ T5053]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  215.544446][ T5053]  __might_resched.cold (kernel/sched/core.c:9234)
[  215.544450][ T5053]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  215.544453][ T5053]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  215.544457][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544459][ T5053]  __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))
[  215.544462][ T5053]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.544465][ T5053]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.544470][ T5053]  ? 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)
[  215.544472][ T5053]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.544475][ T5053]  put_chars (drivers/char/virtio_console.c:1176)
[  215.544476][ T5053]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  215.544478][ T5053]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  215.544481][ T5053]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  215.544491][ T5053]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  215.544494][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544495][ T5053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.544497][ T5053]  console_emit_next_record (kernel/printk/printk.c:3183)
[  215.544500][ T5053]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  215.544502][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544503][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544504][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544505][ T5053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.544507][ T5053]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  215.544509][ T5053]  console_flush_one_record (kernel/printk/printk.c:3268)
[  215.544512][ T5053]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  215.544515][ T5053]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  215.544516][ T5053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.544518][ T5053]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  215.544520][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544521][ T5053]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.544522][ T5053]  ? 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)
[  215.544524][ T5053]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  215.544525][ T5053]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  215.544527][ T5053]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  215.544529][ T5053]  vprintk_emit (kernel/printk/printk.c:2479)
[  215.544531][ T5053]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  215.544532][ T5053]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  215.544534][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544535][ T5053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.544537][ T5053]  _printk (kernel/printk/printk.c:2504)
[  215.544540][ T5053]  ? snapshot_read.cold (user.c:?)
[  215.544541][ T5053]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  215.544546][ T5053]  ? idr_get_free (??:?)
[  215.544547][ T5053]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  215.544554][ T5053]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  215.544557][ T5053] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  215.544563][ T5053]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  215.544567][ T5053]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  215.544569][ T5053]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  215.544573][ T5053]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  215.544574][ T5053]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  215.544576][ T5053]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  215.544578][ T5053]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  215.544582][ T5053]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  215.544585][ T5053]  ? __sys_sendto (net/socket.c:2281)
[  215.544587][ T5053]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  215.544593][ T5053]  ? __nla_parse (lib/nlattr.c:732)
[  215.544597][ T5053]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  215.544600][ T5053]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  215.544602][ T5053]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  215.544605][ T5053]  ? security_capable (security/security.c:660 (discriminator 11))
[  215.544608][ T5053]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  215.544610][ T5053]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  215.544613][ T5053]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  215.544616][ T5053]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  215.544619][ T5053]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  215.544621][ T5053]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  215.544624][ T5053]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  215.544625][ T5053]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  215.544628][ T5053]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  215.544630][ T5053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.544632][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544633][ T5053]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.544635][ T5053]  genl_rcv (net/netlink/genetlink.c:1218)
[  215.544637][ T5053]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  215.544639][ T5053]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  215.544641][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544643][ T5053]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  215.544645][ T5053]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  215.544647][ T5053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.544648][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544650][ T5053]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  215.544651][ T5053]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  215.544654][ T5053]  __sys_sendto (net/socket.c:2281)
[  215.544656][ T5053]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  215.544660][ T5053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.544661][ T5053]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.544663][ T5053]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  215.544665][ T5053]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  215.544666][ T5053]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  215.544668][ T5053]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  215.544669][ T5053]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  215.544672][ T5053]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  215.544674][ T5053]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  215.544676][ T5053] RIP: 0033:0x7fe001ccd312
[  215.544678][ T5053] 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)
[  215.544680][ T5053] RSP: 002b:00007ffc609d9658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  215.544684][ T5053] RAX: ffffffffffffffda RBX: 00007ffc609d9788 RCX: 00007fe001ccd312
[  215.544685][ T5053] RDX: 00000000000000c4 RSI: 00007fdfffa21290 RDI: 0000000000000026
[  215.544686][ T5053] RBP: 00007ffc609d9680 R08: 00007ffc609d9800 R09: 000000000000000c
[  215.544687][ T5053] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdfffb26430
[  215.544688][ T5053] R13: 00007ffc609d9788 R14: 00007fe0015ec01a R15: 00007ffc609d9b78
| [  216.749299][ T5099] softirqs last disabled at (0): 0x0
| [  216.749300][ T5099] Preemption disabled at:
| [  216.749301][ T5099] vprintk_emit (kernel/printk/printk.c:2471)
| [  216.749312][ T5099] Tainted: [W]=WARN
[  216.749313][ T5099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  216.749314][ T5099] Call Trace:
[  216.749316][ T5099]  <TASK>
[  216.749317][ T5099]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  216.749323][ T5099]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  216.749324][ T5099]  __might_resched.cold (kernel/sched/core.c:9234)
[  216.749328][ T5099]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  216.749331][ T5099]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  216.749334][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749337][ T5099]  __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))
[  216.749340][ T5099]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  216.749343][ T5099]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.749347][ T5099]  ? 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)
[  216.749349][ T5099]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.749352][ T5099]  put_chars (drivers/char/virtio_console.c:1176)
[  216.749353][ T5099]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  216.749355][ T5099]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  216.749358][ T5099]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  216.749362][ T5099]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  216.749364][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749366][ T5099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.749368][ T5099]  console_emit_next_record (kernel/printk/printk.c:3183)
[  216.749371][ T5099]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  216.749373][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749374][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749375][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749376][ T5099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.749378][ T5099]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  216.749379][ T5099]  console_flush_one_record (kernel/printk/printk.c:3268)
[  216.749382][ T5099]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  216.749384][ T5099]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  216.749386][ T5099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.749388][ T5099]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  216.749390][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749391][ T5099]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  216.749392][ T5099]  ? 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)
[  216.749394][ T5099]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  216.749395][ T5099]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  216.749397][ T5099]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  216.749399][ T5099]  vprintk_emit (kernel/printk/printk.c:2479)
[  216.749401][ T5099]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  216.749402][ T5099]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  216.749404][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749405][ T5099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.749407][ T5099]  _printk (kernel/printk/printk.c:2504)
[  216.749410][ T5099]  ? snapshot_read.cold (user.c:?)
[  216.749411][ T5099]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  216.749416][ T5099]  ? idr_get_free (??:?)
[  216.749417][ T5099]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  216.749424][ T5099]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[  216.749428][ T5099] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  216.749433][ T5099]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  216.749437][ T5099]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  216.749439][ T5099]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  216.749443][ T5099]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  216.749444][ T5099]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  216.749446][ T5099]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  216.749448][ T5099]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  216.749450][ T5099]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  216.749453][ T5099]  ? __sys_sendto (net/socket.c:2281)
[  216.749455][ T5099]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  216.749461][ T5099]  ? __nla_parse (lib/nlattr.c:732)
[  216.749465][ T5099]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  216.749467][ T5099]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  216.749469][ T5099]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  216.749473][ T5099]  ? security_capable (security/security.c:660 (discriminator 11))
[  216.749476][ T5099]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  216.749478][ T5099]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  216.749480][ T5099]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  216.749483][ T5099]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  216.749486][ T5099]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  216.749488][ T5099]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  216.749498][ T5099]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  216.749500][ T5099]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  216.749502][ T5099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  216.749504][ T5099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.749506][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749507][ T5099]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  216.749509][ T5099]  genl_rcv (net/netlink/genetlink.c:1218)
[  216.749511][ T5099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  216.749513][ T5099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  216.749515][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749517][ T5099]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  216.749519][ T5099]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  216.749521][ T5099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.749522][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749524][ T5099]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  216.749525][ T5099]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  216.749528][ T5099]  __sys_sendto (net/socket.c:2281)
[  216.749530][ T5099]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  216.749534][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.749535][ T5099]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  216.749537][ T5099]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  216.749539][ T5099]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  216.749540][ T5099]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  216.749542][ T5099]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  216.749543][ T5099]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  216.749546][ T5099]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  216.749548][ T5099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  216.749550][ T5099] RIP: 0033:0x7fa923a41312
[  216.749552][ T5099] 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)
[  216.749554][ T5099] RSP: 002b:00007ffc52e551f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  216.749557][ T5099] RAX: ffffffffffffffda RBX: 00007ffc52e55328 RCX: 00007fa923a41312
[  216.749559][ T5099] RDX: 00000000000000a4 RSI: 00007fa921713930 RDI: 0000000000000026
[  216.749560][ T5099] RBP: 00007ffc52e55220 R08: 00007ffc52e553a0 R09: 000000000000000c
[  216.749561][ T5099] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa92189a350
[  216.749562][ T5099] R13: 00007ffc52e55328 R14: 00007fa92336001a R15: 00007ffc52e55718
| [  220.867412][ T5240] softirqs last disabled at (0): 0x0
| [  220.867413][ T5240] Preemption disabled at:
| [  220.867414][ T5240] vprintk_emit (kernel/printk/printk.c:2471)
| [  220.867424][ T5240] Tainted: [W]=WARN
[  220.867425][ T5240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  220.867426][ T5240] Call Trace:
[  220.867428][ T5240]  <TASK>
[  220.867429][ T5240]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  220.867435][ T5240]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  220.867436][ T5240]  __might_resched.cold (kernel/sched/core.c:9234)
[  220.867440][ T5240]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  220.867443][ T5240]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  220.867445][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867448][ T5240]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  220.867451][ T5240]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  220.867454][ T5240]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.867459][ T5240]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  220.867460][ T5240]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.867463][ T5240]  put_chars (drivers/char/virtio_console.c:1176)
[  220.867465][ T5240]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  220.867466][ T5240]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  220.867468][ T5240]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  220.867471][ T5240]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  220.867475][ T5240]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  220.867477][ T5240]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  220.867479][ T5240]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  220.867482][ T5240]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  220.867484][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867485][ T5240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.867488][ T5240]  console_emit_next_record (kernel/printk/printk.c:3183)
[  220.867491][ T5240]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  220.867493][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867494][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867495][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867496][ T5240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.867497][ T5240]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  220.867499][ T5240]  console_flush_one_record (kernel/printk/printk.c:3268)
[  220.867502][ T5240]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  220.867504][ T5240]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  220.867512][ T5240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.867514][ T5240]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  220.867515][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867516][ T5240]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.867518][ T5240]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  220.867519][ T5240]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  220.867521][ T5240]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  220.867523][ T5240]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  220.867524][ T5240]  vprintk_emit (kernel/printk/printk.c:2479)
[  220.867526][ T5240]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  220.867527][ T5240]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  220.867530][ T5240]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  220.867537][ T5240]  _printk (kernel/printk/printk.c:2504)
[  220.867540][ T5240]  ? snapshot_read.cold (user.c:?)
[  220.867542][ T5240]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  220.867546][ T5240]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  220.867548][ T5240]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  220.867550][ T5240]  ? netdev_notice (net/core/dev.c:13194)
[  220.867552][ T5240]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  220.867554][ T5240]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  220.867557][ T5240]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  220.867559][ T5240]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  220.867561][ T5240]  netif_set_promiscuity (net/core/dev.c:9699)
[  220.867564][ T5240]  dev_set_promiscuity (net/core/dev_api.c:288)
[  220.867566][ T5240]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  220.867569][ T5240] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  220.867575][ T5240] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  220.867579][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867582][ T5240]  notifier_call_chain (kernel/notifier.c:85)
[  220.867586][ T5240]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  220.867588][ T5240]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  220.867591][ T5240]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  220.867592][ T5240]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.867594][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867595][ T5240]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  220.867597][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867602][ T5240]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  220.867604][ T5240]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  220.867607][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867608][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867609][ T5240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.867610][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867611][ T5240]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.867613][ T5240]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  220.867616][ T5240]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  220.867617][ T5240]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  220.867620][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867621][ T5240]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  220.867624][ T5240]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  220.867626][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867627][ T5240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.867629][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867630][ T5240]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  220.867631][ T5240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  220.867633][ T5240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  220.867635][ T5240]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  220.867637][ T5240]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  220.867641][ T5240]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  220.867644][ T5240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  220.867645][ T5240]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.867647][ T5240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  220.867649][ T5240]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  220.867652][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867653][ T5240]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  220.867655][ T5240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  220.867657][ T5240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  220.867659][ T5240]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  220.867661][ T5240]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  220.867663][ T5240]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  220.867664][ T5240]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  220.867666][ T5240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.867668][ T5240]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  220.867671][ T5240]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  220.867674][ T5240]  ____sys_sendmsg (net/socket.c:2713)
[  220.867676][ T5240]  ? copy_msghdr_from_user (net/socket.c:2650)
[  220.867678][ T5240]  ? sock_write_iter (net/socket.c:1269)
[  220.867679][ T5240]  ? move_addr_to_kernel (net/socket.c:258)
[  220.867681][ T5240]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  220.867684][ T5240]  ___sys_sendmsg (net/socket.c:2767)
[  220.867685][ T5240]  ? copy_msghdr_from_user (net/socket.c:2619)
[  220.867690][ T5240]  __sys_sendmsg (net/socket.c:2799)
[  220.867692][ T5240]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  220.867695][ T5240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.867696][ T5240]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  220.867699][ T5240]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  220.867701][ T5240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  220.867702][ T5240] RIP: 0033:0x7ff7eb68f54e
[  220.867704][ T5240] 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
[  220.867706][ T5240] RSP: 002b:00007ffdef7fcc20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  220.867710][ T5240] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff7eb68f54e
[  220.867711][ T5240] RDX: 0000000000000000 RSI: 00007ffdef7fccd0 RDI: 0000000000000005
[  220.867712][ T5240] RBP: 00007ffdef7fcc30 R08: 0000000000000000 R09: 0000000000000000
[  220.867713][ T5240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9193cd


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
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