======================================
| [   10.495439][  T180] softirqs last disabled at (75477): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.495442][  T180] Preemption disabled at:
| [   10.495443][  T180] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.495452][  T180] Tainted: [W]=WARN
[   10.495453][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.495454][  T180] Call Trace:
[   10.495456][  T180]  <TASK>
[   10.495457][  T180]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.495463][  T180]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.495465][  T180]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.495474][  T180]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.495478][  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)
[   10.495483][  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))
[   10.495485][  T180]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.495492][  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)
[   10.495495][  T180]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.495498][  T180]  put_chars (drivers/char/virtio_console.c:1176)
[   10.495501][  T180]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.495504][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.495507][  T180]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.495510][  T180]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.495514][  T180]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.495518][  T180]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.495520][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.495522][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.495526][  T180]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.495528][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.495532][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.495536][  T180]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.495540][  T180]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.495542][  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))
[   10.495546][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.495548][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.495552][  T180]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.495556][  T180]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.495558][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.495564][  T180]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.495567][  T180]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.495569][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.495570][  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)
[   10.495574][  T180]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.495576][  T180]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.495579][  T180]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.495582][  T180]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.495587][  T180]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   10.495591][  T180]  _printk (kernel/printk/printk.c:2504)
[   10.495595][  T180]  ? snapshot_read.cold (user.c:?)
[   10.495601][  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)
[   10.495605][  T180] dp_init (net/openvswitch/actions.c:729) openvswitch
[   10.495613][  T180]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   10.495616][  T180]  do_one_initcall (init/main.c:1357)
[   10.495618][  T180]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.495623][  T180]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.495626][  T180]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.495632][  T180]  do_init_module (kernel/module/main.c:3117)
[   10.495635][  T180]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.495639][  T180]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.495641][  T180]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.495645][  T180]  load_module (kernel/module/main.c:3593)
[   10.495650][  T180]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   10.495655][  T180]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.495659][  T180]  ? __ia32_sys_fsconfig (??:?)
[   10.495663][  T180]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.495667][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.495670][  T180]  init_module_from_file (kernel/module/main.c:3790)
[   10.495673][  T180]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.495680][  T180]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.495684][  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)
[   10.495687][  T180]  idempotent_init_module (kernel/module/main.c:3802)
[   10.495690][  T180]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.495696][  T180]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.495698][  T180]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   10.495704][  T180]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.495705][  T180]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.495709][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.495713][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.495716][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.495718][  T180] RIP: 0033:0x7f2277e0c37d
[   10.495722][  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
[   10.495723][  T180] RSP: 002b:00007ffd7e06c8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.495726][  T180] RAX: ffffffffffffffda RBX: 00005556772dc810 RCX: 00007f2277e0c37d
[   10.495727][  T180] RDX: 0000000000000000 RSI: 0000555676c7dffd RDI: 0000000000000005
[   10.495728][  T180] RBP: 00007ffd7e06c990 R08: 0000000000000000 R09: 646f6d2f62696c2f
[   10.495729][  T180] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555676c7dffd
[   10.495730][  T180] R13: 00005556772dca90 R14: 0000000000040000 R15: 0000000000000000
| [   11.984989][  T211] softirqs last disabled at (368066): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.984991][  T211] Preemption disabled at:
| [   11.984992][  T211] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.985000][  T211] Tainted: [W]=WARN
[   11.985001][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.985003][  T211] Call Trace:
[   11.985004][  T211]  <TASK>
[   11.985006][  T211]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.985012][  T211]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.985013][  T211]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.985018][  T211]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.985022][  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)
[   11.985027][  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))
[   11.985028][  T211]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.985035][  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)
[   11.985038][  T211]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.985042][  T211]  put_chars (drivers/char/virtio_console.c:1176)
[   11.985044][  T211]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.985045][  T211]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.985049][  T211]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.985053][  T211]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.985057][  T211]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.985059][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.985060][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.985064][  T211]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.985066][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.985070][  T211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.985074][  T211]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.985078][  T211]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.985080][  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))
[   11.985083][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.985085][  T211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.985089][  T211]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.985093][  T211]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.985095][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.985100][  T211]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.985103][  T211]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.985105][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.985106][  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)
[   11.985110][  T211]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.985112][  T211]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.985114][  T211]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.985117][  T211]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.985119][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.985121][  T211]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   11.985125][  T211]  _printk (kernel/printk/printk.c:2504)
[   11.985129][  T211]  ? snapshot_read.cold (user.c:?)
[   11.985130][  T211]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   11.985136][  T211]  ? idr_get_free (??:?)
[   11.985141][  T211]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   11.985148][  T211]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.985154][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.985156][  T211]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.985160][  T211]  __nla_validate_parse (lib/nlattr.c:635)
[   11.985164][  T211]  __nla_parse (lib/nlattr.c:732)
[   11.985167][  T211]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   11.985171][  T211]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   11.985175][  T211]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   11.985182][  T211]  ? security_capable (security/security.c:660 (discriminator 11))
[   11.985187][  T211]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   11.985190][  T211]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   11.985192][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.985196][  T211]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   11.985203][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.985209][  T211]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   11.985212][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.985214][  T211]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   11.985217][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.985224][  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))
[   11.985226][  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))
[   11.985230][  T211]  genl_rcv (net/netlink/genetlink.c:1218)
[   11.985232][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.985236][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.985239][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.985243][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.985247][  T211]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.985248][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.985251][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.985256][  T211]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.985258][  T211]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   11.985262][  T211]  __sys_sendto (net/socket.c:2281)
[   11.985265][  T211]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.985276][  T211]  ? fput_close_sync (fs/file_table.c:617)
[   11.985279][  T211]  ? alloc_file_clone (fs/file_table.c:479)
[   11.985283][  T211]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.985285][  T211]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.985289][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.985291][  T211]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.985294][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.985296][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.985298][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.985300][  T211] RIP: 0033:0x7f8e6529c312
[   11.985304][  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)
[   11.985305][  T211] RSP: 002b:00007ffc26dd8ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.985308][  T211] RAX: ffffffffffffffda RBX: 00007ffc26dd8bf8 RCX: 00007f8e6529c312
[   11.985309][  T211] RDX: 0000000000000044 RSI: 00007f8e60e76ec0 RDI: 0000000000000020
[   11.985310][  T211] RBP: 00007ffc26dd8af0 R08: 00007ffc26dd8c70 R09: 000000000000000c
[   11.985311][  T211] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8e63106120
[   11.985312][  T211] R13: 00007ffc26dd8bf8 R14: 00007f8e64bbb01a R15: 00007ffc26dd8fe8
| [   13.184288][  T260] softirqs last disabled at (382608): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.184290][  T260] Preemption disabled at:
| [   13.184291][  T260] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.184300][  T260] Tainted: [W]=WARN
[   13.184301][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.184302][  T260] Call Trace:
[   13.184303][  T260]  <TASK>
[   13.184305][  T260]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.184311][  T260]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.184313][  T260]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.184317][  T260]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.184321][  T260]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.184326][  T260]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.184328][  T260]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.184334][  T260]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.184337][  T260]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.184341][  T260]  put_chars (drivers/char/virtio_console.c:1176)
[   13.184343][  T260]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.184346][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.184349][  T260]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.184354][  T260]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.184358][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.184360][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.184364][  T260]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.184368][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.184370][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.184374][  T260]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.184378][  T260]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.184380][  T260]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.184383][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.184385][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.184389][  T260]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.184393][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.184395][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.184400][  T260]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.184403][  T260]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.184405][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.184407][  T260]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.184410][  T260]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.184412][  T260]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.184415][  T260]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.184418][  T260]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.184423][  T260]  _printk (kernel/printk/printk.c:2504)
[   13.184427][  T260]  ? snapshot_read.cold (user.c:?)
[   13.184430][  T260]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.184433][  T260]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   13.184437][  T260]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   13.184438][  T260]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.184442][  T260]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.184446][  T260]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.184449][  T260]  ? netdev_notice (net/core/dev.c:13194)
[   13.184450][  T260]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   13.184459][  T260]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.184462][  T260]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   13.184465][  T260]  netif_set_promiscuity (net/core/dev.c:9699)
[   13.184469][  T260]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.184471][  T260]  ? dev_disable_lro (net/core/dev_api.c:267)
[   13.184473][  T260] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   13.184482][  T260] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   13.184487][  T260] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   13.184492][  T260]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   13.184496][  T260] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   13.184502][  T260]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.184505][  T260]  ? __nla_validate_parse (lib/nlattr.c:635)
[   13.184511][  T260]  ? __nla_parse (lib/nlattr.c:732)
[   13.184514][  T260]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   13.184519][  T260]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   13.184522][  T260]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   13.184530][  T260]  ? security_capable (security/security.c:660 (discriminator 11))
[   13.184535][  T260]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   13.184538][  T260]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   13.184541][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.184543][  T260]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   13.184547][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.184552][  T260]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   13.184556][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.184558][  T260]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   13.184561][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.184568][  T260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.184570][  T260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.184574][  T260]  genl_rcv (net/netlink/genetlink.c:1218)
[   13.184576][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.184580][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.184582][  T260]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   13.184587][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.184590][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.184594][  T260]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.184596][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.184599][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.184604][  T260]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.184607][  T260]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   13.184611][  T260]  __sys_sendto (net/socket.c:2281)
[   13.184614][  T260]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   13.184625][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   13.184631][  T260]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   13.184633][  T260]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.184637][  T260]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.184638][  T260]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.184641][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.184643][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.184645][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.184647][  T260] RIP: 0033:0x7f5568a19312
[   13.184651][  T260] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   13.184653][  T260] RSP: 002b:00007fffd1ca1728 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.184655][  T260] RAX: ffffffffffffffda RBX: 00007fffd1ca1858 RCX: 00007f5568a19312
[   13.184656][  T260] RDX: 0000000000000030 RSI: 00007f5564628530 RDI: 0000000000000023
[   13.184657][  T260] RBP: 00007fffd1ca1750 R08: 00007fffd1ca18d0 R09: 000000000000000c
[   13.184658][  T260] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5566872200
[   13.184659][  T260] R13: 00007fffd1ca1858 R14: 00007f556833801a R15: 00007fffd1ca1c48
| [   14.358308][  T300] softirqs last disabled at (391404): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.358310][  T300] Preemption disabled at:
| [   14.358310][  T300] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.358318][  T300] Tainted: [W]=WARN
[   14.358319][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.358321][  T300] Call Trace:
[   14.358322][  T300]  <TASK>
[   14.358324][  T300]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.358330][  T300]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.358331][  T300]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.358336][  T300]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.358340][  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)
[   14.358345][  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))
[   14.358347][  T300]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.358354][  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)
[   14.358356][  T300]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.358360][  T300]  put_chars (drivers/char/virtio_console.c:1176)
[   14.358363][  T300]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.358366][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.358369][  T300]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.358373][  T300]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.358378][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.358379][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.358384][  T300]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.358388][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.358390][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.358394][  T300]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.358398][  T300]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.358400][  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))
[   14.358403][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.358405][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.358409][  T300]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.358413][  T300]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.358415][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.358420][  T300]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.358423][  T300]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.358425][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.358427][  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)
[   14.358430][  T300]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.358432][  T300]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.358435][  T300]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.358438][  T300]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.358443][  T300]  _printk (kernel/printk/printk.c:2504)
[   14.358447][  T300]  ? snapshot_read.cold (user.c:?)
[   14.358450][  T300]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   14.358453][  T300]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   14.358457][  T300]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   14.358458][  T300]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.358462][  T300]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.358466][  T300]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.358469][  T300]  ? netdev_notice (net/core/dev.c:13194)
[   14.358471][  T300]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   14.358479][  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)
[   14.358486][  T300]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   14.358490][  T300]  netif_set_promiscuity (net/core/dev.c:9699)
[   14.358494][  T300]  dev_set_promiscuity (net/core/dev_api.c:288)
[   14.358496][  T300]  ? dev_disable_lro (net/core/dev_api.c:267)
[   14.358498][  T300] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   14.358503][  T300] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   14.358508][  T300] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   14.358512][  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
[   14.358517][  T300] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   14.358522][  T300]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   14.358526][  T300]  ? __nla_validate_parse (lib/nlattr.c:635)
[   14.358532][  T300]  ? __nla_parse (lib/nlattr.c:732)
[   14.358534][  T300]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   14.358539][  T300]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   14.358543][  T300]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   14.358551][  T300]  ? security_capable (security/security.c:660 (discriminator 11))
[   14.358555][  T300]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   14.358559][  T300]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   14.358562][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.358564][  T300]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   14.358568][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.358574][  T300]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   14.358577][  T300]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.358579][  T300]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   14.358583][  T300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.358590][  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))
[   14.358592][  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))
[   14.358596][  T300]  genl_rcv (net/netlink/genetlink.c:1218)
[   14.358598][  T300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.358602][  T300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.358604][  T300]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   14.358608][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.358612][  T300]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.358616][  T300]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.358618][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.358621][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.358626][  T300]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.358629][  T300]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   14.358633][  T300]  __sys_sendto (net/socket.c:2281)
[   14.358636][  T300]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.358641][  T300]  ? do_futex (kernel/futex/syscalls.c:133)
[   14.358645][  T300]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[   14.358651][  T300]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   14.358658][  T300]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.358660][  T300]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.358663][  T300]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.358666][  T300]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.358669][  T300]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.358671][  T300]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.358673][  T300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.358676][  T300] RIP: 0033:0x7ff1dc51e312
[   14.358679][  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)
[   14.358681][  T300] RSP: 002b:00007ffd45764478 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   14.358683][  T300] RAX: ffffffffffffffda RBX: 00007ffd457645a8 RCX: 00007ff1dc51e312
[   14.358684][  T300] RDX: 0000000000000030 RSI: 00007ff1d8153970 RDI: 0000000000000023
[   14.358685][  T300] RBP: 00007ffd457644a0 R08: 00007ffd45764620 R09: 000000000000000c
[   14.358686][  T300] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff1da37e2e0
[   14.358687][  T300] R13: 00007ffd457645a8 R14: 00007ff1dbe3d01a R15: 00007ffd45764998
| [   17.322314][  T362] softirqs last disabled at (21016): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   17.322317][  T362] Preemption disabled at:
| [   17.322317][  T362] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.322325][  T362] Tainted: [W]=WARN
[   17.322326][  T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.322328][  T362] Call Trace:
[   17.322330][  T362]  <TASK>
[   17.322331][  T362]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.322337][  T362]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.322339][  T362]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.322343][  T362]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.322347][  T362]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.322352][  T362]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.322353][  T362]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.322360][  T362]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.322362][  T362]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.322366][  T362]  put_chars (drivers/char/virtio_console.c:1176)
[   17.322368][  T362]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.322373][  T362]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   17.322376][  T362]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.322380][  T362]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.322382][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.322384][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.322388][  T362]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.322391][  T362]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.322394][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.322396][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.322400][  T362]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.322404][  T362]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.322406][  T362]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.322409][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.322411][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.322415][  T362]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.322419][  T362]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.322421][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.322426][  T362]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.322429][  T362]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.322431][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.322432][  T362]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   17.322436][  T362]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.322438][  T362]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.322441][  T362]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.322444][  T362]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.322445][  T362]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   17.322450][  T362]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   17.322455][  T362]  _printk (kernel/printk/printk.c:2504)
[   17.322458][  T362]  ? snapshot_read.cold (user.c:?)
[   17.322463][  T362]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.322466][  T362]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.322470][  T362]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.322473][  T362]  ? netdev_notice (net/core/dev.c:13194)
[   17.322474][  T362]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   17.322479][  T362]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   17.322484][  T362]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.322487][  T362]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   17.322490][  T362]  netif_set_promiscuity (net/core/dev.c:9699)
[   17.322498][  T362]  dev_set_promiscuity (net/core/dev_api.c:288)
[   17.322499][  T362]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.322502][  T362] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   17.322510][  T362] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   17.322514][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.322517][  T362]  notifier_call_chain (kernel/notifier.c:85)
[   17.322522][  T362]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   17.322527][  T362]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   17.322534][  T362]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   17.322536][  T362]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.322538][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.322539][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.322541][  T362]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   17.322562][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.322564][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.322567][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.322569][  T362]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.322571][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.322576][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.322577][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.322579][  T362]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   17.322581][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.322585][  T362]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   17.322587][  T362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.322590][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.322591][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.322596][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.322597][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.322601][  T362]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.322604][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.322607][  T362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.322613][  T362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.322615][  T362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.322619][  T362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.322623][  T362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.322626][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.322630][  T362]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.322633][  T362]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.322637][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.322639][  T362]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   17.322644][  T362]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.322648][  T362]  ____sys_sendmsg (net/socket.c:2713)
[   17.322651][  T362]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.322653][  T362]  ? sock_write_iter (net/socket.c:1269)
[   17.322654][  T362]  ? move_addr_to_kernel (net/socket.c:258)
[   17.322661][  T362]  ___sys_sendmsg (net/socket.c:2767)
[   17.322664][  T362]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.322679][  T362]  __sys_sendmsg (net/socket.c:2799)
[   17.322682][  T362]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.322688][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.322691][  T362]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.322694][  T362]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.322697][  T362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.322699][  T362] RIP: 0033:0x7f3bb6a2154e
[   17.322703][  T362] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.322704][  T362] RSP: 002b:00007ffec2f0e040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.322707][  T362] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3bb6a2154e
[   17.322708][  T362] RDX: 0000000000000000 RSI: 00007ffec2f0e0f0 RDI: 0000000000000005
[   17.322709][  T362] RBP: 00007ffec2f0e050 R08: 0000000000000000 R09: 0000000000000000
[   17.322710][  T362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913e96
[   17.322711][  T362] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec2f0e7b0
| [   20.199934][  T420] softirqs last disabled at (378346): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.199936][  T420] Preemption disabled at:
| [   20.199937][  T420] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.199946][  T420] Tainted: [W]=WARN
[   20.199947][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.199948][  T420] Call Trace:
[   20.199950][  T420]  <TASK>
[   20.199952][  T420]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.199958][  T420]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.199959][  T420]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.199964][  T420]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.199968][  T420]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.199972][  T420]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.199974][  T420]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.199981][  T420]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.199984][  T420]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.199987][  T420]  put_chars (drivers/char/virtio_console.c:1176)
[   20.199990][  T420]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.199992][  T420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.199995][  T420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.199998][  T420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.200002][  T420]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.200006][  T420]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.200008][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.200010][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.200014][  T420]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.200015][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.200020][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.200024][  T420]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.200028][  T420]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.200029][  T420]  ? 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))
[   20.200033][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.200035][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.200039][  T420]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.200043][  T420]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.200045][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.200050][  T420]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.200053][  T420]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.200054][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.200056][  T420]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   20.200060][  T420]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.200062][  T420]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.200064][  T420]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.200067][  T420]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.200070][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.200071][  T420]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   20.200076][  T420]  _printk (kernel/printk/printk.c:2504)
[   20.200079][  T420]  ? snapshot_read.cold (user.c:?)
[   20.200081][  T420]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   20.200087][  T420]  ? idr_get_free (??:?)
[   20.200092][  T420]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   20.200100][  T420]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.200106][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.200108][  T420]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   20.200112][  T420]  __nla_validate_parse (lib/nlattr.c:635)
[   20.200117][  T420]  __nla_parse (lib/nlattr.c:732)
[   20.200120][  T420]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   20.200124][  T420]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   20.200128][  T420]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   20.200136][  T420]  ? security_capable (security/security.c:660 (discriminator 11))
[   20.200140][  T420]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   20.200144][  T420]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   20.200147][  T420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.200149][  T420]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   20.200157][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.200162][  T420]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   20.200166][  T420]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.200167][  T420]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   20.200171][  T420]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.200178][  T420]  ? 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))
[   20.200180][  T420]  ? 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))
[   20.200184][  T420]  genl_rcv (net/netlink/genetlink.c:1218)
[   20.200186][  T420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.200190][  T420]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.200194][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.200197][  T420]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.200201][  T420]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.200203][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.200206][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.200210][  T420]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.200213][  T420]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   20.200217][  T420]  __sys_sendto (net/socket.c:2281)
[   20.200220][  T420]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   20.200231][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.200236][  T420]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   20.200238][  T420]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.200241][  T420]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.200244][  T420]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   20.200246][  T420]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.200248][  T420]  ? irq_exit_rcu (kernel/softirq.c:786)
[   20.200252][  T420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.200254][  T420] RIP: 0033:0x7f6de876a312
[   20.200258][  T420] 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)
[   20.200260][  T420] RSP: 002b:00007ffd49195148 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.200263][  T420] RAX: ffffffffffffffda RBX: 00007ffd49195278 RCX: 00007f6de876a312
[   20.200264][  T420] RDX: 0000000000000040 RSI: 00007f6de433ee20 RDI: 0000000000000020
[   20.200265][  T420] RBP: 00007ffd49195170 R08: 00007ffd491952f0 R09: 000000000000000c
[   20.200266][  T420] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6de65ca0b0
[   20.200266][  T420] R13: 00007ffd49195278 R14: 00007f6de808901a R15: 00007ffd49195668
| [   21.493439][  T469] softirqs last disabled at (378530): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   21.493441][  T469] Preemption disabled at:
| [   21.493442][  T469] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.493451][  T469] Tainted: [W]=WARN
[   21.493452][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.493453][  T469] Call Trace:
[   21.493455][  T469]  <TASK>
[   21.493456][  T469]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.493462][  T469]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.493464][  T469]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.493468][  T469]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.493473][  T469]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.493477][  T469]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.493479][  T469]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.493486][  T469]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.493489][  T469]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.493492][  T469]  put_chars (drivers/char/virtio_console.c:1176)
[   21.493495][  T469]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.493498][  T469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.493501][  T469]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.493506][  T469]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.493515][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.493517][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.493521][  T469]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.493525][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.493528][  T469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.493532][  T469]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.493536][  T469]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.493538][  T469]  ? 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))
[   21.493541][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.493543][  T469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.493547][  T469]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.493551][  T469]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.493553][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.493559][  T469]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.493562][  T469]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.493564][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.493565][  T469]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.493569][  T469]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.493571][  T469]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.493574][  T469]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.493577][  T469]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.493582][  T469]  _printk (kernel/printk/printk.c:2504)
[   21.493586][  T469]  ? snapshot_read.cold (user.c:?)
[   21.493589][  T469]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   21.493592][  T469]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   21.493596][  T469]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   21.493598][  T469]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.493602][  T469]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.493606][  T469]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.493609][  T469]  ? netdev_notice (net/core/dev.c:13194)
[   21.493610][  T469]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   21.493619][  T469]  ? 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)
[   21.493622][  T469]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   21.493626][  T469]  netif_set_promiscuity (net/core/dev.c:9699)
[   21.493630][  T469]  dev_set_promiscuity (net/core/dev_api.c:288)
[   21.493631][  T469]  ? dev_disable_lro (net/core/dev_api.c:267)
[   21.493634][  T469] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   21.493639][  T469] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   21.493644][  T469] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   21.493649][  T469]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   21.493653][  T469] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   21.493659][  T469]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   21.493663][  T469]  ? __nla_validate_parse (lib/nlattr.c:635)
[   21.493669][  T469]  ? __nla_parse (lib/nlattr.c:732)
[   21.493672][  T469]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   21.493677][  T469]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   21.493680][  T469]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   21.493688][  T469]  ? security_capable (security/security.c:660 (discriminator 11))
[   21.493693][  T469]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   21.493697][  T469]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   21.493699][  T469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.493702][  T469]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   21.493706][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.493712][  T469]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   21.493715][  T469]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.493717][  T469]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   21.493720][  T469]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.493728][  T469]  ? 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))
[   21.493730][  T469]  ? 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))
[   21.493734][  T469]  genl_rcv (net/netlink/genetlink.c:1218)
[   21.493736][  T469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.493740][  T469]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.493742][  T469]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   21.493747][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.493750][  T469]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.493754][  T469]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.493756][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.493759][  T469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.493764][  T469]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.493767][  T469]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   21.493771][  T469]  __sys_sendto (net/socket.c:2281)
[   21.493774][  T469]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.493780][  T469]  ? do_futex (kernel/futex/syscalls.c:133)
[   21.493783][  T469]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[   21.493790][  T469]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[   21.493794][  T469]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.493796][  T469]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.493803][  T469]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.493805][  T469]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.493808][  T469]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.493810][  T469]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.493813][  T469]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.493815][  T469] RIP: 0033:0x7f33ac99e312
[   21.493819][  T469] 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)
[   21.493820][  T469] RSP: 002b:00007ffdb4312ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.493823][  T469] RAX: ffffffffffffffda RBX: 00007ffdb4312be8 RCX: 00007f33ac99e312
[   21.493824][  T469] RDX: 0000000000000030 RSI: 00007f33a85b2830 RDI: 0000000000000023
[   21.493825][  T469] RBP: 00007ffdb4312ae0 R08: 00007ffdb4312c60 R09: 000000000000000c
[   21.493826][  T469] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f33aa7fe190
[   21.493827][  T469] R13: 00007ffdb4312be8 R14: 00007f33ac2bd01a R15: 00007ffdb4312fd8
| [   22.652355][  T507] softirqs last disabled at (375580): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   22.652357][  T507] Preemption disabled at:
| [   22.652357][  T507] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.652366][  T507] Tainted: [W]=WARN
[   22.652367][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.652368][  T507] Call Trace:
[   22.652370][  T507]  <TASK>
[   22.652371][  T507]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.652377][  T507]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.652379][  T507]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.652384][  T507]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.652388][  T507]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.652392][  T507]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.652394][  T507]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.652401][  T507]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.652404][  T507]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.652408][  T507]  put_chars (drivers/char/virtio_console.c:1176)
[   22.652410][  T507]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.652413][  T507]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.652417][  T507]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.652421][  T507]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.652425][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.652427][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.652432][  T507]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.652436][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.652438][  T507]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.652442][  T507]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.652446][  T507]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.652448][  T507]  ? 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))
[   22.652451][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.652453][  T507]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.652457][  T507]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.652461][  T507]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.652463][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.652469][  T507]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.652472][  T507]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.652474][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.652475][  T507]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.652479][  T507]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.652481][  T507]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.652484][  T507]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.652487][  T507]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.652492][  T507]  _printk (kernel/printk/printk.c:2504)
[   22.652496][  T507]  ? snapshot_read.cold (user.c:?)
[   22.652499][  T507]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   22.652502][  T507]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   22.652506][  T507]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   22.652507][  T507]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.652516][  T507]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.652520][  T507]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.652523][  T507]  ? netdev_notice (net/core/dev.c:13194)
[   22.652524][  T507]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   22.652533][  T507]  ? 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)
[   22.652536][  T507]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   22.652539][  T507]  netif_set_promiscuity (net/core/dev.c:9699)
[   22.652543][  T507]  dev_set_promiscuity (net/core/dev_api.c:288)
[   22.652545][  T507]  ? dev_disable_lro (net/core/dev_api.c:267)
[   22.652547][  T507] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   22.652552][  T507] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   22.652557][  T507] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   22.652561][  T507]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   22.652566][  T507] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   22.652572][  T507]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   22.652575][  T507]  ? __nla_validate_parse (lib/nlattr.c:635)
[   22.652582][  T507]  ? __nla_parse (lib/nlattr.c:732)
[   22.652584][  T507]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   22.652589][  T507]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   22.652592][  T507]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   22.652601][  T507]  ? security_capable (security/security.c:660 (discriminator 11))
[   22.652605][  T507]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   22.652609][  T507]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   22.652612][  T507]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.652614][  T507]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   22.652618][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.652624][  T507]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   22.652627][  T507]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.652629][  T507]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   22.652633][  T507]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.652640][  T507]  ? 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))
[   22.652642][  T507]  ? 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))
[   22.652646][  T507]  genl_rcv (net/netlink/genetlink.c:1218)
[   22.652648][  T507]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.652653][  T507]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.652654][  T507]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   22.652659][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.652663][  T507]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.652667][  T507]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.652669][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.652672][  T507]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.652677][  T507]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.652680][  T507]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   22.652684][  T507]  __sys_sendto (net/socket.c:2281)
[   22.652687][  T507]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   22.652692][  T507]  ? do_futex (kernel/futex/syscalls.c:133)
[   22.652696][  T507]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[   22.652702][  T507]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   22.652709][  T507]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   22.652711][  T507]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.652714][  T507]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.652717][  T507]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   22.652720][  T507]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.652722][  T507]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.652724][  T507]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.652726][  T507] RIP: 0033:0x7f0855bf6312
[   22.652730][  T507] 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)
[   22.652732][  T507] RSP: 002b:00007fffd317c0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   22.652734][  T507] RAX: ffffffffffffffda RBX: 00007fffd317c1e8 RCX: 00007f0855bf6312
[   22.652736][  T507] RDX: 0000000000000030 RSI: 00007f0851827bf0 RDI: 0000000000000023
[   22.652737][  T507] RBP: 00007fffd317c0e0 R08: 00007fffd317c260 R09: 000000000000000c
[   22.652738][  T507] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0853a56270
[   22.652739][  T507] R13: 00007fffd317c1e8 R14: 00007f085551501a R15: 00007fffd317c5d8
| [   40.323945][  T662] softirqs last disabled at (21319): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   40.323947][  T662] Preemption disabled at:
| [   40.323948][  T662] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.323956][  T662] Tainted: [W]=WARN
[   40.323957][  T662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.323958][  T662] Call Trace:
[   40.323960][  T662]  <TASK>
[   40.323961][  T662]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.323967][  T662]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.323969][  T662]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.323973][  T662]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.323977][  T662]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.323981][  T662]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   40.323983][  T662]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.323989][  T662]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.323992][  T662]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.323996][  T662]  put_chars (drivers/char/virtio_console.c:1176)
[   40.323997][  T662]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   40.324000][  T662]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.324003][  T662]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.324006][  T662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.324009][  T662]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.324012][  T662]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.324016][  T662]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.324018][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.324020][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.324024][  T662]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.324026][  T662]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   40.324030][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.324032][  T662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.324035][  T662]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.324039][  T662]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.324041][  T662]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   40.324044][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.324046][  T662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.324050][  T662]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.324054][  T662]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.324056][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.324061][  T662]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.324064][  T662]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.324066][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.324067][  T662]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   40.324071][  T662]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.324073][  T662]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.324075][  T662]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.324078][  T662]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.324080][  T662]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   40.324085][  T662]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   40.324089][  T662]  _printk (kernel/printk/printk.c:2504)
[   40.324093][  T662]  ? snapshot_read.cold (user.c:?)
[   40.324097][  T662]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.324101][  T662]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.324104][  T662]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.324107][  T662]  ? netdev_notice (net/core/dev.c:13194)
[   40.324109][  T662]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   40.324113][  T662]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   40.324118][  T662]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.324120][  T662]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   40.324124][  T662]  netif_set_promiscuity (net/core/dev.c:9699)
[   40.324128][  T662]  dev_set_promiscuity (net/core/dev_api.c:288)
[   40.324130][  T662]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.324133][  T662] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   40.324140][  T662] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   40.324145][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.324147][  T662]  notifier_call_chain (kernel/notifier.c:85)
[   40.324153][  T662]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   40.324157][  T662]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   40.324165][  T662]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   40.324166][  T662]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.324168][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.324170][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.324172][  T662]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   40.324192][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.324194][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.324197][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.324199][  T662]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.324201][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.324206][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.324208][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.324209][  T662]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   40.324211][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.324215][  T662]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   40.324217][  T662]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.324220][  T662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.324221][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.324226][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.324228][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.324231][  T662]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.324234][  T662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.324237][  T662]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.324243][  T662]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.324245][  T662]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.324250][  T662]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.324254][  T662]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.324256][  T662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.324260][  T662]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.324264][  T662]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.324268][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.324269][  T662]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   40.324275][  T662]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.324279][  T662]  ____sys_sendmsg (net/socket.c:2713)
[   40.324281][  T662]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.324283][  T662]  ? sock_write_iter (net/socket.c:1269)
[   40.324285][  T662]  ? move_addr_to_kernel (net/socket.c:258)
[   40.324292][  T662]  ___sys_sendmsg (net/socket.c:2767)
[   40.324294][  T662]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.324310][  T662]  __sys_sendmsg (net/socket.c:2799)
[   40.324313][  T662]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.324319][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.324322][  T662]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.324325][  T662]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.324328][  T662]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.324330][  T662] RIP: 0033:0x7f0203bb354e
[   40.324333][  T662] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.324335][  T662] RSP: 002b:00007ffc01bb28a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.324337][  T662] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0203bb354e
[   40.324339][  T662] RDX: 0000000000000000 RSI: 00007ffc01bb2950 RDI: 0000000000000005
[   40.324339][  T662] RBP: 00007ffc01bb28b0 R08: 0000000000000000 R09: 0000000000000000
[   40.324340][  T662] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ead
[   40.324341][  T662] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc01bb3010
| [   43.248149][  T719] softirqs last disabled at (373576): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   43.248151][  T719] Preemption disabled at:
| [   43.248152][  T719] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.248161][  T719] Tainted: [W]=WARN
[   43.248162][  T719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.248164][  T719] Call Trace:
[   43.248165][  T719]  <TASK>
[   43.248167][  T719]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.248173][  T719]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.248175][  T719]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.248179][  T719]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.248184][  T719]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.248189][  T719]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.248191][  T719]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.248198][  T719]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.248201][  T719]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.248204][  T719]  put_chars (drivers/char/virtio_console.c:1176)
[   43.248207][  T719]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.248210][  T719]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.248213][  T719]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.248216][  T719]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.248220][  T719]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.248224][  T719]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   43.248226][  T719]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.248228][  T719]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.248233][  T719]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.248234][  T719]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.248239][  T719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.248243][  T719]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.248248][  T719]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.248249][  T719]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   43.248253][  T719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.248255][  T719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.248259][  T719]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.248263][  T719]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.248265][  T719]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.248271][  T719]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.248274][  T719]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.248276][  T719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.248277][  T719]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   43.248281][  T719]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.248283][  T719]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.248286][  T719]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.248289][  T719]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.248292][  T719]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.248293][  T719]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   43.248298][  T719]  _printk (kernel/printk/printk.c:2504)
[   43.248302][  T719]  ? snapshot_read.cold (user.c:?)
[   43.248304][  T719]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   43.248310][  T719]  ? idr_get_free (??:?)
[   43.248314][  T719]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   43.248323][  T719]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.248330][  T719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.248331][  T719]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   43.248336][  T719]  __nla_validate_parse (lib/nlattr.c:635)
[   43.248341][  T719]  __nla_parse (lib/nlattr.c:732)
[   43.248344][  T719]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   43.248349][  T719]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   43.248352][  T719]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   43.248361][  T719]  ? security_capable (security/security.c:660 (discriminator 11))
[   43.248365][  T719]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   43.248369][  T719]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   43.248372][  T719]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.248374][  T719]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   43.248382][  T719]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.248388][  T719]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   43.248391][  T719]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.248393][  T719]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   43.248397][  T719]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.248404][  T719]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   43.248406][  T719]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   43.248411][  T719]  genl_rcv (net/netlink/genetlink.c:1218)
[   43.248413][  T719]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.248417][  T719]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.248421][  T719]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.248424][  T719]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.248429][  T719]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.248430][  T719]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.248434][  T719]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.248439][  T719]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.248441][  T719]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   43.248445][  T719]  __sys_sendto (net/socket.c:2281)
[   43.248449][  T719]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   43.248460][  T719]  ? fput_close_sync (fs/file_table.c:617)
[   43.248464][  T719]  ? alloc_file_clone (fs/file_table.c:479)
[   43.248468][  T719]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   43.248470][  T719]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.248474][  T719]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   43.248477][  T719]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   43.248479][  T719]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.248481][  T719]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.248484][  T719]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.248486][  T719] RIP: 0033:0x7f618e22d312
[   43.248489][  T719] 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)
[   43.248491][  T719] RSP: 002b:00007ffc7232d528 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.248494][  T719] RAX: ffffffffffffffda RBX: 00007ffc7232d658 RCX: 00007f618e22d312
[   43.248496][  T719] RDX: 0000000000000040 RSI: 00007f6189deb050 RDI: 0000000000000020
[   43.248497][  T719] RBP: 00007ffc7232d550 R08: 00007ffc7232d6d0 R09: 000000000000000c
[   43.248497][  T719] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f618c0860b0
[   43.248498][  T719] R13: 00007ffc7232d658 R14: 00007f618db4c01a R15: 00007ffc7232da48
| [   44.468228][  T772] softirqs last disabled at (391622): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   44.468230][  T772] Preemption disabled at:
| [   44.468231][  T772] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.468240][  T772] Tainted: [W]=WARN
[   44.468241][  T772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.468242][  T772] Call Trace:
[   44.468244][  T772]  <TASK>
[   44.468246][  T772]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.468252][  T772]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.468254][  T772]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.468258][  T772]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.468263][  T772]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.468267][  T772]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.468269][  T772]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.468276][  T772]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.468279][  T772]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.468283][  T772]  put_chars (drivers/char/virtio_console.c:1176)
[   44.468285][  T772]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.468288][  T772]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.468291][  T772]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.468295][  T772]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.468300][  T772]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.468301][  T772]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.468306][  T772]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.468310][  T772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.468312][  T772]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.468316][  T772]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.468320][  T772]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.468322][  T772]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   44.468325][  T772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.468327][  T772]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.468331][  T772]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.468335][  T772]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.468337][  T772]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.468342][  T772]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.468345][  T772]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.468347][  T772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.468349][  T772]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   44.468352][  T772]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.468354][  T772]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.468357][  T772]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.468360][  T772]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.468365][  T772]  _printk (kernel/printk/printk.c:2504)
[   44.468369][  T772]  ? snapshot_read.cold (user.c:?)
[   44.468372][  T772]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   44.468375][  T772]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   44.468379][  T772]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   44.468381][  T772]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.468385][  T772]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.468389][  T772]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.468392][  T772]  ? netdev_notice (net/core/dev.c:13194)
[   44.468393][  T772]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   44.468402][  T772]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   44.468405][  T772]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   44.468408][  T772]  netif_set_promiscuity (net/core/dev.c:9699)
[   44.468412][  T772]  dev_set_promiscuity (net/core/dev_api.c:288)
[   44.468414][  T772]  ? dev_disable_lro (net/core/dev_api.c:267)
[   44.468416][  T772] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   44.468421][  T772] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   44.468426][  T772] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   44.468430][  T772]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   44.468435][  T772] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   44.468441][  T772]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   44.468444][  T772]  ? __nla_validate_parse (lib/nlattr.c:635)
[   44.468451][  T772]  ? __nla_parse (lib/nlattr.c:732)
[   44.468453][  T772]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   44.468458][  T772]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   44.468461][  T772]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   44.468469][  T772]  ? security_capable (security/security.c:660 (discriminator 11))
[   44.468474][  T772]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   44.468478][  T772]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   44.468480][  T772]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.468482][  T772]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   44.468486][  T772]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.468492][  T772]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   44.468495][  T772]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.468497][  T772]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   44.468501][  T772]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.468508][  T772]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.468510][  T772]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.468514][  T772]  genl_rcv (net/netlink/genetlink.c:1218)
[   44.468516][  T772]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.468520][  T772]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.468522][  T772]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   44.468527][  T772]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.468530][  T772]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.468535][  T772]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.468536][  T772]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.468539][  T772]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.468544][  T772]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.468547][  T772]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   44.468551][  T772]  __sys_sendto (net/socket.c:2281)
[   44.468554][  T772]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   44.468565][  T772]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   44.468571][  T772]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   44.468573][  T772]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.468577][  T772]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   44.468578][  T772]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   44.468581][  T772]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.468583][  T772]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.468585][  T772]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.468587][  T772] RIP: 0033:0x7faed90b8312
[   44.468591][  T772] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   44.468593][  T772] RSP: 002b:00007fff5b8da4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.468595][  T772] RAX: ffffffffffffffda RBX: 00007fff5b8da608 RCX: 00007faed90b8312
[   44.468597][  T772] RDX: 0000000000000030 RSI: 00007faed4c68e30 RDI: 0000000000000023
[   44.468597][  T772] RBP: 00007fff5b8da500 R08: 00007fff5b8da680 R09: 000000000000000c
[   44.468603][  T772] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faed6f22190
[   44.468604][  T772] R13: 00007fff5b8da608 R14: 00007faed89d701a R15: 00007fff5b8da9f8
| [   45.614491][  T812] softirqs last disabled at (393290): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   45.614493][  T812] Preemption disabled at:
| [   45.614494][  T812] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.614503][  T812] Tainted: [W]=WARN
[   45.614504][  T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.614505][  T812] Call Trace:
[   45.614507][  T812]  <TASK>
[   45.614508][  T812]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.614514][  T812]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.614516][  T812]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.614520][  T812]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.614525][  T812]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.614529][  T812]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.614531][  T812]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.614538][  T812]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.614540][  T812]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.614544][  T812]  put_chars (drivers/char/virtio_console.c:1176)
[   45.614547][  T812]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.614550][  T812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.614553][  T812]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.614558][  T812]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.614562][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.614564][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.614568][  T812]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.614572][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.614574][  T812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.614578][  T812]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.614582][  T812]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.614584][  T812]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   45.614588][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.614589][  T812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.614593][  T812]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.614597][  T812]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.614599][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.614611][  T812]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.614614][  T812]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.614616][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.614617][  T812]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   45.614621][  T812]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.614623][  T812]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.614626][  T812]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.614629][  T812]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.614634][  T812]  _printk (kernel/printk/printk.c:2504)
[   45.614638][  T812]  ? snapshot_read.cold (user.c:?)
[   45.614641][  T812]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   45.614644][  T812]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   45.614648][  T812]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   45.614649][  T812]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.614653][  T812]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.614657][  T812]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.614660][  T812]  ? netdev_notice (net/core/dev.c:13194)
[   45.614662][  T812]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   45.614671][  T812]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.614673][  T812]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   45.614677][  T812]  netif_set_promiscuity (net/core/dev.c:9699)
[   45.614681][  T812]  dev_set_promiscuity (net/core/dev_api.c:288)
[   45.614683][  T812]  ? dev_disable_lro (net/core/dev_api.c:267)
[   45.614685][  T812] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   45.614690][  T812] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   45.614695][  T812] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   45.614699][  T812]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   45.614704][  T812] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   45.614710][  T812]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   45.614713][  T812]  ? __nla_validate_parse (lib/nlattr.c:635)
[   45.614719][  T812]  ? __nla_parse (lib/nlattr.c:732)
[   45.614722][  T812]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   45.614727][  T812]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   45.614730][  T812]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   45.614738][  T812]  ? security_capable (security/security.c:660 (discriminator 11))
[   45.614743][  T812]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   45.614747][  T812]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   45.614749][  T812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.614751][  T812]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   45.614755][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.614761][  T812]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   45.614764][  T812]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.614766][  T812]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   45.614770][  T812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.614777][  T812]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.614779][  T812]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.614783][  T812]  genl_rcv (net/netlink/genetlink.c:1218)
[   45.614785][  T812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.614789][  T812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.614793][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.614796][  T812]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.614804][  T812]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.614805][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.614809][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.614813][  T812]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.614816][  T812]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   45.614820][  T812]  __sys_sendto (net/socket.c:2281)
[   45.614823][  T812]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   45.614834][  T812]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   45.614841][  T812]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   45.614843][  T812]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.614847][  T812]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   45.614848][  T812]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   45.614851][  T812]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.614853][  T812]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.614855][  T812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.614857][  T812] RIP: 0033:0x7f92c7da6312
[   45.614861][  T812] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   45.614863][  T812] RSP: 002b:00007fffc7930578 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.614865][  T812] RAX: ffffffffffffffda RBX: 00007fffc79306a8 RCX: 00007f92c7da6312
[   45.614867][  T812] RDX: 0000000000000030 RSI: 00007f92c4211330 RDI: 0000000000000023
[   45.614868][  T812] RBP: 00007fffc79305a0 R08: 00007fffc7930720 R09: 000000000000000c
[   45.614868][  T812] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92c5c062e0
[   45.614869][  T812] R13: 00007fffc79306a8 R14: 00007f92c76c501a R15: 00007fffc7930a98
| [   50.833622][  T899] softirqs last disabled at (35030): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   50.833625][  T899] Preemption disabled at:
| [   50.833625][  T899] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.833638][  T899] Tainted: [W]=WARN
[   50.833639][  T899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.833641][  T899] Call Trace:
[   50.833642][  T899]  <TASK>
[   50.833644][  T899]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.833650][  T899]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.833652][  T899]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.833656][  T899]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.833661][  T899]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.833665][  T899]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.833667][  T899]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.833673][  T899]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.833676][  T899]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.833679][  T899]  put_chars (drivers/char/virtio_console.c:1176)
[   50.833681][  T899]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   50.833683][  T899]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.833686][  T899]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.833689][  T899]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.833692][  T899]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.833696][  T899]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.833700][  T899]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.833702][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833703][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833707][  T899]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.833710][  T899]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   50.833713][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833715][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.833719][  T899]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.833723][  T899]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.833725][  T899]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   50.833728][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833729][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.833733][  T899]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.833737][  T899]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.833739][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833744][  T899]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.833747][  T899]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.833749][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833751][  T899]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   50.833754][  T899]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.833756][  T899]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.833759][  T899]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.833762][  T899]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.833763][  T899]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   50.833768][  T899]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   50.833773][  T899]  _printk (kernel/printk/printk.c:2504)
[   50.833776][  T899]  ? snapshot_read.cold (user.c:?)
[   50.833781][  T899]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.833784][  T899]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.833788][  T899]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.833791][  T899]  ? netdev_notice (net/core/dev.c:13194)
[   50.833792][  T899]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   50.833797][  T899]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   50.833803][  T899]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   50.833806][  T899]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   50.833810][  T899]  netif_set_promiscuity (net/core/dev.c:9699)
[   50.833813][  T899]  dev_set_promiscuity (net/core/dev_api.c:288)
[   50.833815][  T899]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.833818][  T899] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   50.833826][  T899] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   50.833830][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.833833][  T899]  notifier_call_chain (kernel/notifier.c:85)
[   50.833839][  T899]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   50.833843][  T899]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   50.833850][  T899]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   50.833852][  T899]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.833854][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833856][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833858][  T899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   50.833879][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.833881][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.833884][  T899]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.833885][  T899]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.833888][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833892][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.833894][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.833896][  T899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   50.833898][  T899]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.833901][  T899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   50.833903][  T899]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.833907][  T899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.833908][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.833912][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.833914][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.833917][  T899]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.833920][  T899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.833923][  T899]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.833930][  T899]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.833932][  T899]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.833936][  T899]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.833940][  T899]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.833942][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.833947][  T899]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.833950][  T899]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.833954][  T899]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.833956][  T899]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   50.833961][  T899]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   50.833965][  T899]  ____sys_sendmsg (net/socket.c:2713)
[   50.833968][  T899]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.833970][  T899]  ? sock_write_iter (net/socket.c:1269)
[   50.833971][  T899]  ? move_addr_to_kernel (net/socket.c:258)
[   50.833978][  T899]  ___sys_sendmsg (net/socket.c:2767)
[   50.833981][  T899]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.833996][  T899]  __sys_sendmsg (net/socket.c:2799)
[   50.833999][  T899]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.834005][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.834008][  T899]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.834012][  T899]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.834014][  T899]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.834017][  T899] RIP: 0033:0x7f74eadd354e
[   50.834020][  T899] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.834022][  T899] RSP: 002b:00007ffc99322750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.834024][  T899] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f74eadd354e
[   50.834026][  T899] RDX: 0000000000000000 RSI: 00007ffc99322800 RDI: 0000000000000005
[   50.834027][  T899] RBP: 00007ffc99322760 R08: 0000000000000000 R09: 0000000000000000
[   50.834027][  T899] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913eb8
[   50.834028][  T899] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc99322ec0
| [   53.653889][  T958] softirqs last disabled at (376163): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   53.653891][  T958] Preemption disabled at:
| [   53.653892][  T958] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.653900][  T958] Tainted: [W]=WARN
[   53.653901][  T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.653903][  T958] Call Trace:
[   53.653904][  T958]  <TASK>
[   53.653906][  T958]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.653912][  T958]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.653913][  T958]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.653918][  T958]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.653922][  T958]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.653926][  T958]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   53.653928][  T958]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.653935][  T958]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.653937][  T958]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.653941][  T958]  put_chars (drivers/char/virtio_console.c:1176)
[   53.653943][  T958]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.653946][  T958]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.653949][  T958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.653951][  T958]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.653956][  T958]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.653960][  T958]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.653962][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.653963][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.653967][  T958]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.653969][  T958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.653974][  T958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.653978][  T958]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.653982][  T958]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.653983][  T958]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   53.653987][  T958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.653988][  T958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.653992][  T958]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.653997][  T958]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.653998][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.654004][  T958]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.654006][  T958]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.654008][  T958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.654010][  T958]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   53.654014][  T958]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.654016][  T958]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.654018][  T958]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.654021][  T958]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.654023][  T958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.654025][  T958]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   53.654030][  T958]  _printk (kernel/printk/printk.c:2504)
[   53.654033][  T958]  ? snapshot_read.cold (user.c:?)
[   53.654035][  T958]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   53.654041][  T958]  ? idr_get_free (??:?)
[   53.654045][  T958]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   53.654054][  T958]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.654060][  T958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.654062][  T958]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   53.654066][  T958]  __nla_validate_parse (lib/nlattr.c:635)
[   53.654071][  T958]  __nla_parse (lib/nlattr.c:732)
[   53.654073][  T958]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   53.654078][  T958]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   53.654082][  T958]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   53.654090][  T958]  ? security_capable (security/security.c:660 (discriminator 11))
[   53.654094][  T958]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   53.654098][  T958]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   53.654100][  T958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.654102][  T958]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   53.654110][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.654116][  T958]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   53.654119][  T958]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.654121][  T958]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   53.654124][  T958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.654131][  T958]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.654134][  T958]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.654138][  T958]  genl_rcv (net/netlink/genetlink.c:1218)
[   53.654140][  T958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.654144][  T958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.654147][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.654151][  T958]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.654155][  T958]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.654156][  T958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.654159][  T958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.654164][  T958]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   53.654167][  T958]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   53.654171][  T958]  __sys_sendto (net/socket.c:2281)
[   53.654174][  T958]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   53.654185][  T958]  ? fput_close_sync (fs/file_table.c:617)
[   53.654188][  T958]  ? alloc_file_clone (fs/file_table.c:479)
[   53.654192][  T958]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   53.654195][  T958]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.654198][  T958]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   53.654201][  T958]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   53.654203][  T958]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.654205][  T958]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.654208][  T958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.654210][  T958] RIP: 0033:0x7f5c5748a312
[   53.654214][  T958] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   53.654215][  T958] RSP: 002b:00007ffdfde53928 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   53.654218][  T958] RAX: ffffffffffffffda RBX: 00007ffdfde53a58 RCX: 00007f5c5748a312
[   53.654219][  T958] RDX: 0000000000000044 RSI: 00007f5c4ef62e70 RDI: 0000000000000020
[   53.654220][  T958] RBP: 00007ffdfde53950 R08: 00007ffdfde53ad0 R09: 000000000000000c
[   53.654221][  T958] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5c552ea0b0
[   53.654222][  T958] R13: 00007ffdfde53a58 R14: 00007f5c56da901a R15: 00007ffdfde53e48
| [   54.861540][ T1010] softirqs last disabled at (369646): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   54.861542][ T1010] Preemption disabled at:
| [   54.861542][ T1010] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.861551][ T1010] Tainted: [W]=WARN
[   54.861552][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.861554][ T1010] Call Trace:
[   54.861555][ T1010]  <TASK>
[   54.861557][ T1010]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.861563][ T1010]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.861565][ T1010]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.861569][ T1010]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.861574][ T1010]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.861579][ T1010]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   54.861581][ T1010]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.861587][ T1010]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.861590][ T1010]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.861594][ T1010]  put_chars (drivers/char/virtio_console.c:1176)
[   54.861597][ T1010]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.861600][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.861603][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.861607][ T1010]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.861612][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.861613][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.861618][ T1010]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.861622][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.861625][ T1010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.861629][ T1010]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.861633][ T1010]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.861635][ T1010]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   54.861638][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.861640][ T1010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.861650][ T1010]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.861655][ T1010]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.861657][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.861663][ T1010]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.861665][ T1010]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.861668][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.861669][ T1010]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   54.861673][ T1010]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.861675][ T1010]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.861678][ T1010]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.861681][ T1010]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.861687][ T1010]  _printk (kernel/printk/printk.c:2504)
[   54.861691][ T1010]  ? snapshot_read.cold (user.c:?)
[   54.861694][ T1010]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   54.861697][ T1010]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   54.861701][ T1010]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   54.861703][ T1010]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.861707][ T1010]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.861711][ T1010]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.861713][ T1010]  ? netdev_notice (net/core/dev.c:13194)
[   54.861715][ T1010]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   54.861725][ T1010]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.861727][ T1010]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   54.861731][ T1010]  netif_set_promiscuity (net/core/dev.c:9699)
[   54.861735][ T1010]  dev_set_promiscuity (net/core/dev_api.c:288)
[   54.861737][ T1010]  ? dev_disable_lro (net/core/dev_api.c:267)
[   54.861739][ T1010] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   54.861745][ T1010] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   54.861750][ T1010] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   54.861754][ T1010]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   54.861759][ T1010] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   54.861765][ T1010]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   54.861768][ T1010]  ? __nla_validate_parse (lib/nlattr.c:635)
[   54.861775][ T1010]  ? __nla_parse (lib/nlattr.c:732)
[   54.861777][ T1010]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   54.861782][ T1010]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   54.861786][ T1010]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   54.861794][ T1010]  ? security_capable (security/security.c:660 (discriminator 11))
[   54.861802][ T1010]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   54.861806][ T1010]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   54.861809][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.861811][ T1010]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   54.861815][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.861821][ T1010]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   54.861824][ T1010]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.861826][ T1010]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   54.861830][ T1010]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.861837][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.861839][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.861844][ T1010]  genl_rcv (net/netlink/genetlink.c:1218)
[   54.861846][ T1010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.861850][ T1010]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.861852][ T1010]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   54.861857][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.861861][ T1010]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.861865][ T1010]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.861867][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.861870][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.861875][ T1010]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   54.861878][ T1010]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   54.861882][ T1010]  __sys_sendto (net/socket.c:2281)
[   54.861885][ T1010]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   54.861891][ T1010]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   54.861900][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.861904][ T1010]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   54.861906][ T1010]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.861910][ T1010]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   54.861913][ T1010]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   54.861915][ T1010]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.861917][ T1010]  ? irq_exit_rcu (kernel/softirq.c:786)
[   54.861922][ T1010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.861924][ T1010] RIP: 0033:0x7f6cf2a19312
[   54.861928][ T1010] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   54.861930][ T1010] RSP: 002b:00007ffedc3cf908 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   54.861932][ T1010] RAX: ffffffffffffffda RBX: 00007ffedc3cfa38 RCX: 00007f6cf2a19312
[   54.861934][ T1010] RDX: 0000000000000030 RSI: 00007f6cee61ebb0 RDI: 0000000000000023
[   54.861935][ T1010] RBP: 00007ffedc3cf930 R08: 00007ffedc3cfab0 R09: 000000000000000c
[   54.861935][ T1010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6cf0872190
[   54.861936][ T1010] R13: 00007ffedc3cfa38 R14: 00007f6cf233801a R15: 00007ffedc3cfe28
| [   56.120073][ T1050] softirqs last disabled at (407908): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   56.120075][ T1050] Preemption disabled at:
| [   56.120076][ T1050] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.120084][ T1050] Tainted: [W]=WARN
[   56.120085][ T1050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.120087][ T1050] Call Trace:
[   56.120089][ T1050]  <TASK>
[   56.120090][ T1050]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.120097][ T1050]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.120098][ T1050]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.120103][ T1050]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.120108][ T1050]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.120112][ T1050]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   56.120114][ T1050]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.120121][ T1050]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.120124][ T1050]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.120128][ T1050]  put_chars (drivers/char/virtio_console.c:1176)
[   56.120130][ T1050]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.120134][ T1050]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.120137][ T1050]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.120141][ T1050]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.120146][ T1050]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.120148][ T1050]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.120152][ T1050]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.120156][ T1050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.120159][ T1050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.120163][ T1050]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.120167][ T1050]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.120169][ T1050]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   56.120172][ T1050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.120174][ T1050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.120178][ T1050]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.120183][ T1050]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.120185][ T1050]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.120190][ T1050]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.120193][ T1050]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.120195][ T1050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.120197][ T1050]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   56.120201][ T1050]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.120203][ T1050]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.120205][ T1050]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.120209][ T1050]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.120214][ T1050]  _printk (kernel/printk/printk.c:2504)
[   56.120218][ T1050]  ? snapshot_read.cold (user.c:?)
[   56.120221][ T1050]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   56.120224][ T1050]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   56.120228][ T1050]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   56.120230][ T1050]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.120234][ T1050]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.120238][ T1050]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.120241][ T1050]  ? netdev_notice (net/core/dev.c:13194)
[   56.120243][ T1050]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   56.120252][ T1050]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   56.120254][ T1050]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   56.120258][ T1050]  netif_set_promiscuity (net/core/dev.c:9699)
[   56.120262][ T1050]  dev_set_promiscuity (net/core/dev_api.c:288)
[   56.120264][ T1050]  ? dev_disable_lro (net/core/dev_api.c:267)
[   56.120266][ T1050] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   56.120272][ T1050] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   56.120277][ T1050] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   56.120281][ T1050]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   56.120285][ T1050] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   56.120291][ T1050]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   56.120295][ T1050]  ? __nla_validate_parse (lib/nlattr.c:635)
[   56.120301][ T1050]  ? __nla_parse (lib/nlattr.c:732)
[   56.120304][ T1050]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   56.120309][ T1050]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   56.120313][ T1050]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   56.120321][ T1050]  ? security_capable (security/security.c:660 (discriminator 11))
[   56.120326][ T1050]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   56.120330][ T1050]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   56.120332][ T1050]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.120334][ T1050]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   56.120339][ T1050]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.120345][ T1050]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   56.120348][ T1050]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.120350][ T1050]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   56.120354][ T1050]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.120361][ T1050]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.120363][ T1050]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.120367][ T1050]  genl_rcv (net/netlink/genetlink.c:1218)
[   56.120370][ T1050]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.120374][ T1050]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.120376][ T1050]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   56.120381][ T1050]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.120384][ T1050]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.120388][ T1050]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.120390][ T1050]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.120393][ T1050]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.120399][ T1050]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   56.120401][ T1050]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   56.120406][ T1050]  __sys_sendto (net/socket.c:2281)
[   56.120409][ T1050]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   56.120420][ T1050]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   56.120426][ T1050]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   56.120428][ T1050]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.120432][ T1050]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   56.120434][ T1050]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   56.120437][ T1050]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.120439][ T1050]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.120442][ T1050]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.120444][ T1050] RIP: 0033:0x7f519b254312
[   56.120447][ T1050] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   56.120449][ T1050] RSP: 002b:00007ffc4d4e3b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   56.120452][ T1050] RAX: ffffffffffffffda RBX: 00007ffc4d4e3cb8 RCX: 00007f519b254312
[   56.120453][ T1050] RDX: 0000000000000030 RSI: 00007f519adb4030 RDI: 0000000000000023
[   56.120454][ T1050] RBP: 00007ffc4d4e3bb0 R08: 00007ffc4d4e3d30 R09: 000000000000000c
[   56.120455][ T1050] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f51990be270
[   56.120456][ T1050] R13: 00007ffc4d4e3cb8 R14: 00007f519ab7301a R15: 00007ffc4d4e40a8
| [   73.141763][ T1191] softirqs last disabled at (26470): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   73.141766][ T1191] Preemption disabled at:
| [   73.141766][ T1191] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.141775][ T1191] Tainted: [W]=WARN
[   73.141776][ T1191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.141777][ T1191] Call Trace:
[   73.141779][ T1191]  <TASK>
[   73.141780][ T1191]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.141786][ T1191]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.141787][ T1191]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.141792][ T1191]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.141796][ T1191]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   73.141802][ T1191]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   73.141804][ T1191]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.141810][ T1191]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.141813][ T1191]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.141817][ T1191]  put_chars (drivers/char/virtio_console.c:1176)
[   73.141818][ T1191]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   73.141821][ T1191]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.141824][ T1191]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   73.141827][ T1191]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.141830][ T1191]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   73.141833][ T1191]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.141838][ T1191]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   73.141840][ T1191]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.141841][ T1191]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.141845][ T1191]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.141848][ T1191]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   73.141851][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.141853][ T1191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.141857][ T1191]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.141861][ T1191]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.141862][ T1191]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   73.141866][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.141867][ T1191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.141871][ T1191]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.141875][ T1191]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.141877][ T1191]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.141882][ T1191]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.141885][ T1191]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.141887][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.141888][ T1191]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   73.141892][ T1191]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.141894][ T1191]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.141897][ T1191]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.141900][ T1191]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.141901][ T1191]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   73.141906][ T1191]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   73.141911][ T1191]  _printk (kernel/printk/printk.c:2504)
[   73.141914][ T1191]  ? snapshot_read.cold (user.c:?)
[   73.141918][ T1191]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   73.141922][ T1191]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   73.141926][ T1191]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   73.141929][ T1191]  ? netdev_notice (net/core/dev.c:13194)
[   73.141930][ T1191]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   73.141934][ T1191]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   73.141939][ T1191]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   73.141942][ T1191]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   73.141945][ T1191]  netif_set_promiscuity (net/core/dev.c:9699)
[   73.141949][ T1191]  dev_set_promiscuity (net/core/dev_api.c:288)
[   73.141951][ T1191]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   73.141954][ T1191] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   73.141961][ T1191] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   73.141966][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.141968][ T1191]  notifier_call_chain (kernel/notifier.c:85)
[   73.141974][ T1191]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   73.141978][ T1191]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   73.141985][ T1191]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   73.141987][ T1191]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   73.141989][ T1191]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.141990][ T1191]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.141993][ T1191]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   73.142013][ T1191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.142015][ T1191]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.142018][ T1191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.142020][ T1191]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   73.142022][ T1191]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.142026][ T1191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.142028][ T1191]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.142030][ T1191]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   73.142032][ T1191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.142036][ T1191]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   73.142038][ T1191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.142041][ T1191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.142042][ T1191]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.142046][ T1191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.142048][ T1191]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.142052][ T1191]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.142055][ T1191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.142058][ T1191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.142064][ T1191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.142066][ T1191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.142070][ T1191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.142074][ T1191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.142077][ T1191]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.142081][ T1191]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.142085][ T1191]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   73.142088][ T1191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.142090][ T1191]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   73.142095][ T1191]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   73.142099][ T1191]  ____sys_sendmsg (net/socket.c:2713)
[   73.142101][ T1191]  ? copy_msghdr_from_user (net/socket.c:2650)
[   73.142103][ T1191]  ? sock_write_iter (net/socket.c:1269)
[   73.142105][ T1191]  ? move_addr_to_kernel (net/socket.c:258)
[   73.142112][ T1191]  ___sys_sendmsg (net/socket.c:2767)
[   73.142115][ T1191]  ? copy_msghdr_from_user (net/socket.c:2619)
[   73.142130][ T1191]  __sys_sendmsg (net/socket.c:2799)
[   73.142133][ T1191]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   73.142139][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.142142][ T1191]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.142145][ T1191]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   73.142148][ T1191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.142150][ T1191] RIP: 0033:0x7f4c5605d54e
[   73.142153][ T1191] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.142155][ T1191] RSP: 002b:00007fff4c68fff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.142158][ T1191] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4c5605d54e
[   73.142159][ T1191] RDX: 0000000000000000 RSI: 00007fff4c6900a0 RDI: 0000000000000005
[   73.142160][ T1191] RBP: 00007fff4c690000 R08: 0000000000000000 R09: 0000000000000000
[   73.142161][ T1191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ece
[   73.142162][ T1191] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4c690760
| [   76.093948][ T1250] softirqs last disabled at (381830): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   76.093950][ T1250] Preemption disabled at:
| [   76.093951][ T1250] vprintk_emit (kernel/printk/printk.c:2471)
| [   76.093959][ T1250] Tainted: [W]=WARN
[   76.093960][ T1250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.093962][ T1250] Call Trace:
[   76.093963][ T1250]  <TASK>
[   76.093965][ T1250]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.093970][ T1250]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   76.093972][ T1250]  __might_resched.cold (kernel/sched/core.c:9234)
[   76.093976][ T1250]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   76.093980][ T1250]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   76.093985][ T1250]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   76.093986][ T1250]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.093993][ T1250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   76.093996][ T1250]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.093999][ T1250]  put_chars (drivers/char/virtio_console.c:1176)
[   76.094002][ T1250]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   76.094004][ T1250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   76.094007][ T1250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.094010][ T1250]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   76.094014][ T1250]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   76.094018][ T1250]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   76.094020][ T1250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.094021][ T1250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.094025][ T1250]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   76.094027][ T1250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.094032][ T1250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.094036][ T1250]  console_emit_next_record (kernel/printk/printk.c:3183)
[   76.094040][ T1250]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   76.094042][ T1250]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   76.094045][ T1250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.094047][ T1250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.094051][ T1250]  console_flush_one_record (kernel/printk/printk.c:3268)
[   76.094055][ T1250]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   76.094057][ T1250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.094062][ T1250]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   76.094065][ T1250]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   76.094067][ T1250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.094069][ T1250]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   76.094072][ T1250]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   76.094074][ T1250]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   76.094077][ T1250]  vprintk_emit (kernel/printk/printk.c:2479)
[   76.094080][ T1250]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   76.094082][ T1250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.094084][ T1250]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   76.094088][ T1250]  _printk (kernel/printk/printk.c:2504)
[   76.094092][ T1250]  ? snapshot_read.cold (user.c:?)
[   76.094094][ T1250]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   76.094099][ T1250]  ? idr_get_free (??:?)
[   76.094104][ T1250]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   76.094113][ T1250]  ? nla_get_range_signed (lib/nlattr.c:270)
[   76.094119][ T1250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.094120][ T1250]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   76.094125][ T1250]  __nla_validate_parse (lib/nlattr.c:635)
[   76.094129][ T1250]  __nla_parse (lib/nlattr.c:732)
[   76.094132][ T1250]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   76.094137][ T1250]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   76.094140][ T1250]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   76.094148][ T1250]  ? security_capable (security/security.c:660 (discriminator 11))
[   76.094152][ T1250]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   76.094156][ T1250]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   76.094158][ T1250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.094161][ T1250]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   76.094168][ T1250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.094174][ T1250]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   76.094177][ T1250]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   76.094179][ T1250]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   76.094182][ T1250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   76.094189][ T1250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   76.094191][ T1250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   76.094195][ T1250]  genl_rcv (net/netlink/genetlink.c:1218)
[   76.094197][ T1250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   76.094201][ T1250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   76.094205][ T1250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.094208][ T1250]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   76.094212][ T1250]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   76.094214][ T1250]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.094217][ T1250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.094222][ T1250]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   76.094224][ T1250]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   76.094228][ T1250]  __sys_sendto (net/socket.c:2281)
[   76.094231][ T1250]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   76.094242][ T1250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.094246][ T1250]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   76.094248][ T1250]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.094252][ T1250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   76.094254][ T1250]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   76.094257][ T1250]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   76.094259][ T1250]  ? irq_exit_rcu (kernel/softirq.c:786)
[   76.094263][ T1250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.094265][ T1250] RIP: 0033:0x7f11b4f93312
[   76.094268][ T1250] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   76.094270][ T1250] RSP: 002b:00007ffdae41d248 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   76.094273][ T1250] RAX: ffffffffffffffda RBX: 00007ffdae41d378 RCX: 00007f11b4f93312
[   76.094274][ T1250] RDX: 0000000000000048 RSI: 00007f11b2c0b390 RDI: 0000000000000020
[   76.094275][ T1250] RBP: 00007ffdae41d270 R08: 00007ffdae41d3f0 R09: 000000000000000c
[   76.094276][ T1250] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f11b2df60b0
[   76.094277][ T1250] R13: 00007ffdae41d378 R14: 00007f11b48b201a R15: 00007ffdae41d768
| [   77.336754][ T1297] softirqs last disabled at (386438): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   77.336756][ T1297] Preemption disabled at:
| [   77.336757][ T1297] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.336765][ T1297] Tainted: [W]=WARN
[   77.336766][ T1297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.336768][ T1297] Call Trace:
[   77.336770][ T1297]  <TASK>
[   77.336771][ T1297]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.336778][ T1297]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.336779][ T1297]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.336784][ T1297]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.336788][ T1297]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   77.336793][ T1297]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   77.336795][ T1297]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.336804][ T1297]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.336807][ T1297]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.336811][ T1297]  put_chars (drivers/char/virtio_console.c:1176)
[   77.336814][ T1297]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.336817][ T1297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.336820][ T1297]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.336825][ T1297]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.336829][ T1297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.336831][ T1297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.336836][ T1297]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.336839][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.336842][ T1297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.336846][ T1297]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.336850][ T1297]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.336852][ T1297]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   77.336855][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.336857][ T1297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.336861][ T1297]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.336866][ T1297]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.336867][ T1297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.336873][ T1297]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.336876][ T1297]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.336878][ T1297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.336879][ T1297]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   77.336883][ T1297]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.336885][ T1297]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.336888][ T1297]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.336891][ T1297]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.336896][ T1297]  _printk (kernel/printk/printk.c:2504)
[   77.336900][ T1297]  ? snapshot_read.cold (user.c:?)
[   77.336903][ T1297]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   77.336906][ T1297]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   77.336910][ T1297]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   77.336912][ T1297]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.336916][ T1297]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.336920][ T1297]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.336923][ T1297]  ? netdev_notice (net/core/dev.c:13194)
[   77.336925][ T1297]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   77.336933][ T1297]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   77.336936][ T1297]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   77.336940][ T1297]  netif_set_promiscuity (net/core/dev.c:9699)
[   77.336944][ T1297]  dev_set_promiscuity (net/core/dev_api.c:288)
[   77.336946][ T1297]  ? dev_disable_lro (net/core/dev_api.c:267)
[   77.336948][ T1297] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   77.336953][ T1297] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   77.336958][ T1297] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   77.336962][ T1297]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   77.336967][ T1297] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   77.336973][ T1297]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   77.336976][ T1297]  ? __nla_validate_parse (lib/nlattr.c:635)
[   77.336983][ T1297]  ? __nla_parse (lib/nlattr.c:732)
[   77.336985][ T1297]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   77.336990][ T1297]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   77.336994][ T1297]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   77.337002][ T1297]  ? security_capable (security/security.c:660 (discriminator 11))
[   77.337007][ T1297]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   77.337011][ T1297]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   77.337013][ T1297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.337015][ T1297]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   77.337020][ T1297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.337025][ T1297]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   77.337029][ T1297]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.337031][ T1297]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   77.337035][ T1297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.337042][ T1297]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.337044][ T1297]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.337048][ T1297]  genl_rcv (net/netlink/genetlink.c:1218)
[   77.337050][ T1297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.337054][ T1297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.337058][ T1297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.337062][ T1297]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.337066][ T1297]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.337068][ T1297]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.337071][ T1297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.337076][ T1297]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   77.337079][ T1297]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   77.337083][ T1297]  __sys_sendto (net/socket.c:2281)
[   77.337086][ T1297]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   77.337097][ T1297]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   77.337104][ T1297]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   77.337106][ T1297]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   77.337110][ T1297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   77.337112][ T1297]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   77.337114][ T1297]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.337116][ T1297]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.337119][ T1297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.337121][ T1297] RIP: 0033:0x7fb99428f312
[   77.337125][ T1297] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   77.337127][ T1297] RSP: 002b:00007ffea54674a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   77.337130][ T1297] RAX: ffffffffffffffda RBX: 00007ffea54675d8 RCX: 00007fb99428f312
[   77.337131][ T1297] RDX: 0000000000000030 RSI: 00007fb9906a22f0 RDI: 0000000000000023
[   77.337132][ T1297] RBP: 00007ffea54674d0 R08: 00007ffea5467650 R09: 000000000000000c
[   77.337133][ T1297] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb9920f2190
[   77.337133][ T1297] R13: 00007ffea54675d8 R14: 00007fb993bae01a R15: 00007ffea54679c8
| [   78.538767][ T1336] softirqs last disabled at (398956): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   78.538769][ T1336] Preemption disabled at:
| [   78.538770][ T1336] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.538779][ T1336] Tainted: [W]=WARN
[   78.538780][ T1336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.538782][ T1336] Call Trace:
[   78.538783][ T1336]  <TASK>
[   78.538785][ T1336]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.538791][ T1336]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.538793][ T1336]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.538801][ T1336]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.538805][ T1336]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   78.538810][ T1336]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   78.538811][ T1336]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.538818][ T1336]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.538821][ T1336]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.538825][ T1336]  put_chars (drivers/char/virtio_console.c:1176)
[   78.538827][ T1336]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.538831][ T1336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.538834][ T1336]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.538838][ T1336]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.538843][ T1336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.538844][ T1336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.538849][ T1336]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.538853][ T1336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.538855][ T1336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.538859][ T1336]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.538864][ T1336]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.538865][ T1336]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   78.538869][ T1336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.538871][ T1336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.538875][ T1336]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.538879][ T1336]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.538881][ T1336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.538887][ T1336]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.538890][ T1336]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.538892][ T1336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.538893][ T1336]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   78.538897][ T1336]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.538899][ T1336]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.538902][ T1336]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.538905][ T1336]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.538911][ T1336]  _printk (kernel/printk/printk.c:2504)
[   78.538915][ T1336]  ? snapshot_read.cold (user.c:?)
[   78.538917][ T1336]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   78.538921][ T1336]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   78.538925][ T1336]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   78.538926][ T1336]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   78.538930][ T1336]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   78.538934][ T1336]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   78.538937][ T1336]  ? netdev_notice (net/core/dev.c:13194)
[   78.538939][ T1336]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   78.538948][ T1336]  ? 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)
[   78.538951][ T1336]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   78.538954][ T1336]  netif_set_promiscuity (net/core/dev.c:9699)
[   78.538958][ T1336]  dev_set_promiscuity (net/core/dev_api.c:288)
[   78.538960][ T1336]  ? dev_disable_lro (net/core/dev_api.c:267)
[   78.538962][ T1336] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   78.538968][ T1336] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   78.538973][ T1336] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   78.538977][ T1336]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   78.538982][ T1336] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   78.538988][ T1336]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   78.538991][ T1336]  ? __nla_validate_parse (lib/nlattr.c:635)
[   78.538998][ T1336]  ? __nla_parse (lib/nlattr.c:732)
[   78.539000][ T1336]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   78.539005][ T1336]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   78.539009][ T1336]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   78.539018][ T1336]  ? security_capable (security/security.c:660 (discriminator 11))
[   78.539022][ T1336]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   78.539026][ T1336]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   78.539029][ T1336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.539031][ T1336]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   78.539036][ T1336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.539041][ T1336]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   78.539045][ T1336]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.539047][ T1336]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   78.539051][ T1336]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.539058][ T1336]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.539060][ T1336]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.539064][ T1336]  genl_rcv (net/netlink/genetlink.c:1218)
[   78.539066][ T1336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.539071][ T1336]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.539074][ T1336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.539078][ T1336]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.539082][ T1336]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   78.539084][ T1336]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.539087][ T1336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.539092][ T1336]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   78.539095][ T1336]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   78.539099][ T1336]  __sys_sendto (net/socket.c:2281)
[   78.539102][ T1336]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   78.539114][ T1336]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   78.539120][ T1336]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   78.539123][ T1336]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.539126][ T1336]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   78.539128][ T1336]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   78.539130][ T1336]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.539132][ T1336]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   78.539135][ T1336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.539137][ T1336] RIP: 0033:0x7f351a5a7312
[   78.539141][ T1336] 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)
[   78.539143][ T1336] RSP: 002b:00007ffcb07a9a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   78.539145][ T1336] RAX: ffffffffffffffda RBX: 00007ffcb07a9b58 RCX: 00007f351a5a7312
[   78.539147][ T1336] RDX: 0000000000000030 RSI: 00007f35161c3fb0 RDI: 0000000000000023
[   78.539148][ T1336] RBP: 00007ffcb07a9a50 R08: 00007ffcb07a9bd0 R09: 000000000000000c
[   78.539149][ T1336] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f351840a270
[   78.539150][ T1336] R13: 00007ffcb07a9b58 R14: 00007f3519ec601a R15: 00007ffcb07a9f48
| [   84.702832][ T1489] softirqs last disabled at (20870): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   84.702834][ T1489] Preemption disabled at:
| [   84.702835][ T1489] vprintk_emit (kernel/printk/printk.c:2471)
| [   84.702843][ T1489] Tainted: [W]=WARN
[   84.702844][ T1489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.702846][ T1489] Call Trace:
[   84.702847][ T1489]  <TASK>
[   84.702849][ T1489]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   84.702855][ T1489]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   84.702856][ T1489]  __might_resched.cold (kernel/sched/core.c:9234)
[   84.702860][ T1489]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   84.702864][ T1489]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   84.702869][ T1489]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   84.702871][ T1489]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.702877][ T1489]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   84.702880][ T1489]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.702884][ T1489]  put_chars (drivers/char/virtio_console.c:1176)
[   84.702885][ T1489]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   84.702888][ T1489]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   84.702890][ T1489]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   84.702893][ T1489]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.702896][ T1489]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   84.702900][ T1489]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   84.702904][ T1489]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   84.702906][ T1489]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.702908][ T1489]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.702912][ T1489]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   84.702914][ T1489]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   84.702917][ T1489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.702919][ T1489]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.702923][ T1489]  console_emit_next_record (kernel/printk/printk.c:3183)
[   84.702927][ T1489]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   84.702929][ T1489]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   84.702932][ T1489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.702934][ T1489]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.702938][ T1489]  console_flush_one_record (kernel/printk/printk.c:3268)
[   84.702942][ T1489]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   84.702943][ T1489]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.702948][ T1489]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   84.702951][ T1489]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   84.702953][ T1489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.702955][ T1489]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   84.702958][ T1489]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   84.702960][ T1489]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   84.702963][ T1489]  vprintk_emit (kernel/printk/printk.c:2479)
[   84.702966][ T1489]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   84.702968][ T1489]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   84.702972][ T1489]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   84.702977][ T1489]  _printk (kernel/printk/printk.c:2504)
[   84.702980][ T1489]  ? snapshot_read.cold (user.c:?)
[   84.702985][ T1489]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   84.702988][ T1489]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   84.702992][ T1489]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   84.702995][ T1489]  ? netdev_notice (net/core/dev.c:13194)
[   84.702996][ T1489]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   84.703001][ T1489]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   84.703006][ T1489]  ? 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)
[   84.703008][ T1489]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   84.703011][ T1489]  netif_set_promiscuity (net/core/dev.c:9699)
[   84.703015][ T1489]  dev_set_promiscuity (net/core/dev_api.c:288)
[   84.703017][ T1489]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   84.703020][ T1489] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   84.703027][ T1489] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   84.703032][ T1489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.703034][ T1489]  notifier_call_chain (kernel/notifier.c:85)
[   84.703040][ T1489]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   84.703045][ T1489]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   84.703052][ T1489]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   84.703054][ T1489]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   84.703055][ T1489]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.703057][ T1489]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.703059][ T1489]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   84.703080][ T1489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.703082][ T1489]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.703085][ T1489]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.703087][ T1489]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   84.703089][ T1489]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.703093][ T1489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.703095][ T1489]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.703097][ T1489]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   84.703099][ T1489]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.703103][ T1489]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   84.703105][ T1489]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   84.703108][ T1489]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.703109][ T1489]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.703113][ T1489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.703115][ T1489]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.703119][ T1489]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.703122][ T1489]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.703124][ T1489]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.703131][ T1489]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   84.703133][ T1489]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   84.703137][ T1489]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.703141][ T1489]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.703143][ T1489]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.703147][ T1489]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.703151][ T1489]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   84.703155][ T1489]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.703157][ T1489]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   84.703162][ T1489]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.703166][ T1489]  ____sys_sendmsg (net/socket.c:2713)
[   84.703168][ T1489]  ? copy_msghdr_from_user (net/socket.c:2650)
[   84.703170][ T1489]  ? sock_write_iter (net/socket.c:1269)
[   84.703172][ T1489]  ? move_addr_to_kernel (net/socket.c:258)
[   84.703179][ T1489]  ___sys_sendmsg (net/socket.c:2767)
[   84.703182][ T1489]  ? copy_msghdr_from_user (net/socket.c:2619)
[   84.703197][ T1489]  __sys_sendmsg (net/socket.c:2799)
[   84.703200][ T1489]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   84.703206][ T1489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.703209][ T1489]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.703212][ T1489]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   84.703215][ T1489]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.703217][ T1489] RIP: 0033:0x7fbea6fb654e
[   84.703220][ T1489] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   84.703222][ T1489] RSP: 002b:00007ffc64ead160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.703225][ T1489] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbea6fb654e
[   84.703226][ T1489] RDX: 0000000000000000 RSI: 00007ffc64ead210 RDI: 0000000000000005
[   84.703227][ T1489] RBP: 00007ffc64ead170 R08: 0000000000000000 R09: 0000000000000000
[   84.703228][ T1489] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913eda
[   84.703229][ T1489] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc64ead8d0
| [   87.597098][ T1547] softirqs last disabled at (380724): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   87.597100][ T1547] Preemption disabled at:
| [   87.597101][ T1547] vprintk_emit (kernel/printk/printk.c:2471)
| [   87.597109][ T1547] Tainted: [W]=WARN
[   87.597110][ T1547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.597112][ T1547] Call Trace:
[   87.597113][ T1547]  <TASK>
[   87.597115][ T1547]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.597121][ T1547]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   87.597122][ T1547]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.597127][ T1547]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.597131][ T1547]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   87.597135][ T1547]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   87.597137][ T1547]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.597144][ T1547]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   87.597146][ T1547]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.597150][ T1547]  put_chars (drivers/char/virtio_console.c:1176)
[   87.597152][ T1547]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.597155][ T1547]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   87.597158][ T1547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.597161][ T1547]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   87.597165][ T1547]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.597169][ T1547]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   87.597171][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.597172][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.597176][ T1547]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.597178][ T1547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.597183][ T1547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.597187][ T1547]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.597190][ T1547]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.597192][ T1547]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   87.597195][ T1547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.597197][ T1547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.597201][ T1547]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.597205][ T1547]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.597207][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.597213][ T1547]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.597215][ T1547]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.597217][ T1547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.597219][ T1547]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   87.597223][ T1547]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.597225][ T1547]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.597227][ T1547]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.597230][ T1547]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.597233][ T1547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.597234][ T1547]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   87.597239][ T1547]  _printk (kernel/printk/printk.c:2504)
[   87.597243][ T1547]  ? snapshot_read.cold (user.c:?)
[   87.597244][ T1547]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   87.597250][ T1547]  ? idr_get_free (??:?)
[   87.597255][ T1547]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   87.597264][ T1547]  ? nla_get_range_signed (lib/nlattr.c:270)
[   87.597270][ T1547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.597271][ T1547]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   87.597276][ T1547]  __nla_validate_parse (lib/nlattr.c:635)
[   87.597281][ T1547]  __nla_parse (lib/nlattr.c:732)
[   87.597283][ T1547]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   87.597288][ T1547]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   87.597292][ T1547]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   87.597300][ T1547]  ? security_capable (security/security.c:660 (discriminator 11))
[   87.597304][ T1547]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   87.597308][ T1547]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   87.597310][ T1547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.597312][ T1547]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   87.597320][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.597325][ T1547]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   87.597329][ T1547]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.597331][ T1547]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   87.597334][ T1547]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.597341][ T1547]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   87.597343][ T1547]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   87.597347][ T1547]  genl_rcv (net/netlink/genetlink.c:1218)
[   87.597349][ T1547]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.597353][ T1547]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.597357][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.597360][ T1547]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.597364][ T1547]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.597366][ T1547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.597369][ T1547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.597373][ T1547]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   87.597376][ T1547]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   87.597380][ T1547]  __sys_sendto (net/socket.c:2281)
[   87.597383][ T1547]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   87.597394][ T1547]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   87.597399][ T1547]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   87.597401][ T1547]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.597405][ T1547]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   87.597406][ T1547]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   87.597409][ T1547]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.597411][ T1547]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.597413][ T1547]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.597415][ T1547] RIP: 0033:0x7fdb2442f312
[   87.597419][ T1547] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   87.597420][ T1547] RSP: 002b:00007ffd102ec068 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   87.597423][ T1547] RAX: ffffffffffffffda RBX: 00007ffd102ec198 RCX: 00007fdb2442f312
[   87.597424][ T1547] RDX: 0000000000000040 RSI: 00007fdb13f66b50 RDI: 0000000000000020
[   87.597425][ T1547] RBP: 00007ffd102ec090 R08: 00007ffd102ec210 R09: 000000000000000c
[   87.597426][ T1547] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdb222920b0
[   87.597427][ T1547] R13: 00007ffd102ec198 R14: 00007fdb23d4e01a R15: 00007ffd102ec588
| [   89.615795][ T1618] softirqs last disabled at (392100): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   89.615804][ T1618] Preemption disabled at:
| [   89.615805][ T1618] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.615813][ T1618] Tainted: [W]=WARN
[   89.615814][ T1618] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.615816][ T1618] Call Trace:
[   89.615818][ T1618]  <TASK>
[   89.615820][ T1618]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.615825][ T1618]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.615827][ T1618]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.615831][ T1618]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.615836][ T1618]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   89.615840][ T1618]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   89.615842][ T1618]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.615849][ T1618]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.615852][ T1618]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.615855][ T1618]  put_chars (drivers/char/virtio_console.c:1176)
[   89.615858][ T1618]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.615861][ T1618]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.615864][ T1618]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.615869][ T1618]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.615873][ T1618]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.615874][ T1618]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.615879][ T1618]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.615883][ T1618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.615885][ T1618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.615889][ T1618]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.615893][ T1618]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.615895][ T1618]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   89.615898][ T1618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.615900][ T1618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.615904][ T1618]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.615908][ T1618]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.615910][ T1618]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.615915][ T1618]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.615918][ T1618]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.615920][ T1618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.615922][ T1618]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   89.615925][ T1618]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.615927][ T1618]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.615930][ T1618]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.615933][ T1618]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.615939][ T1618]  _printk (kernel/printk/printk.c:2504)
[   89.615942][ T1618]  ? snapshot_read.cold (user.c:?)
[   89.615945][ T1618]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   89.615948][ T1618]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   89.615952][ T1618]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   89.615954][ T1618]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.615957][ T1618]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.615961][ T1618]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.615964][ T1618]  ? netdev_notice (net/core/dev.c:13194)
[   89.615966][ T1618]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   89.615974][ T1618]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.615977][ T1618]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   89.615980][ T1618]  netif_set_promiscuity (net/core/dev.c:9699)
[   89.615984][ T1618]  dev_set_promiscuity (net/core/dev_api.c:288)
[   89.615986][ T1618]  ? dev_disable_lro (net/core/dev_api.c:267)
[   89.615988][ T1618] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   89.615993][ T1618] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   89.615999][ T1618] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   89.616003][ T1618]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   89.616007][ T1618] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   89.616013][ T1618]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   89.616017][ T1618]  ? __nla_validate_parse (lib/nlattr.c:635)
[   89.616023][ T1618]  ? __nla_parse (lib/nlattr.c:732)
[   89.616025][ T1618]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   89.616031][ T1618]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   89.616034][ T1618]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   89.616042][ T1618]  ? security_capable (security/security.c:660 (discriminator 11))
[   89.616047][ T1618]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   89.616051][ T1618]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   89.616053][ T1618]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.616055][ T1618]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   89.616059][ T1618]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.616065][ T1618]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   89.616068][ T1618]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.616070][ T1618]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   89.616074][ T1618]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.616081][ T1618]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.616083][ T1618]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.616087][ T1618]  genl_rcv (net/netlink/genetlink.c:1218)
[   89.616089][ T1618]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.616093][ T1618]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.616097][ T1618]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.616100][ T1618]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.616104][ T1618]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.616106][ T1618]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.616109][ T1618]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.616114][ T1618]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.616117][ T1618]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   89.616121][ T1618]  __sys_sendto (net/socket.c:2281)
[   89.616124][ T1618]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   89.616134][ T1618]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   89.616141][ T1618]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   89.616143][ T1618]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.616146][ T1618]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   89.616148][ T1618]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   89.616151][ T1618]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.616153][ T1618]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.616155][ T1618]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.616157][ T1618] RIP: 0033:0x7effee22d312
[   89.616161][ T1618] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   89.616162][ T1618] RSP: 002b:00007ffe638fb338 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   89.616165][ T1618] RAX: ffffffffffffffda RBX: 00007ffe638fb468 RCX: 00007effee22d312
[   89.616166][ T1618] RDX: 0000000000000034 RSI: 00007effe9e30370 RDI: 0000000000000023
[   89.616167][ T1618] RBP: 00007ffe638fb360 R08: 00007ffe638fb4e0 R09: 000000000000000c
[   89.616168][ T1618] R10: 0000000000000000 R11: 0000000000000246 R12: 00007effec086190
[   89.616169][ T1618] R13: 00007ffe638fb468 R14: 00007effedb4c01a R15: 00007ffe638fb858
| [   90.802988][ T1657] softirqs last disabled at (394296): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   90.802990][ T1657] Preemption disabled at:
| [   90.802991][ T1657] vprintk_emit (kernel/printk/printk.c:2471)
| [   90.802999][ T1657] Tainted: [W]=WARN
[   90.803000][ T1657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.803002][ T1657] Call Trace:
[   90.803003][ T1657]  <TASK>
[   90.803005][ T1657]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   90.803011][ T1657]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   90.803013][ T1657]  __might_resched.cold (kernel/sched/core.c:9234)
[   90.803017][ T1657]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   90.803022][ T1657]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   90.803026][ T1657]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   90.803029][ T1657]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.803036][ T1657]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   90.803038][ T1657]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.803042][ T1657]  put_chars (drivers/char/virtio_console.c:1176)
[   90.803044][ T1657]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   90.803048][ T1657]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.803051][ T1657]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   90.803055][ T1657]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   90.803059][ T1657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.803061][ T1657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.803065][ T1657]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   90.803069][ T1657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.803071][ T1657]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.803075][ T1657]  console_emit_next_record (kernel/printk/printk.c:3183)
[   90.803079][ T1657]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   90.803081][ T1657]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   90.803085][ T1657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.803086][ T1657]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.803090][ T1657]  console_flush_one_record (kernel/printk/printk.c:3268)
[   90.803094][ T1657]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   90.803096][ T1657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.803102][ T1657]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   90.803104][ T1657]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   90.803106][ T1657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.803108][ T1657]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   90.803112][ T1657]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   90.803113][ T1657]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   90.803116][ T1657]  vprintk_emit (kernel/printk/printk.c:2479)
[   90.803119][ T1657]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   90.803124][ T1657]  _printk (kernel/printk/printk.c:2504)
[   90.803128][ T1657]  ? snapshot_read.cold (user.c:?)
[   90.803131][ T1657]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   90.803134][ T1657]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   90.803138][ T1657]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   90.803140][ T1657]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   90.803144][ T1657]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   90.803148][ T1657]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   90.803150][ T1657]  ? netdev_notice (net/core/dev.c:13194)
[   90.803152][ T1657]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   90.803161][ T1657]  ? 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)
[   90.803163][ T1657]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   90.803167][ T1657]  netif_set_promiscuity (net/core/dev.c:9699)
[   90.803171][ T1657]  dev_set_promiscuity (net/core/dev_api.c:288)
[   90.803172][ T1657]  ? dev_disable_lro (net/core/dev_api.c:267)
[   90.803175][ T1657] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   90.803180][ T1657] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   90.803184][ T1657] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   90.803189][ T1657]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   90.803193][ T1657] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   90.803199][ T1657]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   90.803203][ T1657]  ? __nla_validate_parse (lib/nlattr.c:635)
[   90.803209][ T1657]  ? __nla_parse (lib/nlattr.c:732)
[   90.803211][ T1657]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   90.803216][ T1657]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   90.803219][ T1657]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   90.803228][ T1657]  ? security_capable (security/security.c:660 (discriminator 11))
[   90.803232][ T1657]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   90.803236][ T1657]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   90.803238][ T1657]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.803240][ T1657]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   90.803245][ T1657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.803250][ T1657]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   90.803253][ T1657]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.803255][ T1657]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   90.803259][ T1657]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.803266][ T1657]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   90.803268][ T1657]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   90.803272][ T1657]  genl_rcv (net/netlink/genetlink.c:1218)
[   90.803274][ T1657]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.803278][ T1657]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.803280][ T1657]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   90.803285][ T1657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.803288][ T1657]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.803292][ T1657]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   90.803294][ T1657]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   90.803297][ T1657]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   90.803302][ T1657]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   90.803305][ T1657]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   90.803309][ T1657]  __sys_sendto (net/socket.c:2281)
[   90.803312][ T1657]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   90.803322][ T1657]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   90.803328][ T1657]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   90.803330][ T1657]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   90.803334][ T1657]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   90.803336][ T1657]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   90.803338][ T1657]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.803340][ T1657]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   90.803343][ T1657]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.803345][ T1657] RIP: 0033:0x7f348ceb0312
[   90.803348][ T1657] 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)
[   90.803350][ T1657] RSP: 002b:00007ffe5ba966a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   90.803353][ T1657] RAX: ffffffffffffffda RBX: 00007ffe5ba967d8 RCX: 00007f348ceb0312
[   90.803354][ T1657] RDX: 0000000000000034 RSI: 00007f3488b049b0 RDI: 0000000000000023
[   90.803355][ T1657] RBP: 00007ffe5ba966d0 R08: 00007ffe5ba96850 R09: 000000000000000c
[   90.803356][ T1657] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f348ad1a270
[   90.803357][ T1657] R13: 00007ffe5ba967d8 R14: 00007f348c7cf01a R15: 00007ffe5ba96bc8
| [   92.311064][ T1689] softirqs last disabled at (388516): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   92.311066][ T1689] Preemption disabled at:
| [   92.311067][ T1689] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.311075][ T1689] Tainted: [W]=WARN
[   92.311076][ T1689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.311078][ T1689] Call Trace:
[   92.311080][ T1689]  <TASK>
[   92.311081][ T1689]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.311087][ T1689]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.311089][ T1689]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.311094][ T1689]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.311098][ T1689]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   92.311103][ T1689]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   92.311105][ T1689]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.311111][ T1689]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   92.311114][ T1689]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.311118][ T1689]  put_chars (drivers/char/virtio_console.c:1176)
[   92.311121][ T1689]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.311122][ T1689]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   92.311126][ T1689]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.311132][ T1689]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.311139][ T1689]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.311142][ T1689]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.311144][ T1689]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.311148][ T1689]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.311152][ T1689]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.311154][ T1689]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   92.311158][ T1689]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.311159][ T1689]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.311163][ T1689]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.311168][ T1689]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.311170][ T1689]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.311175][ T1689]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.311178][ T1689]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.311180][ T1689]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.311182][ T1689]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   92.311185][ T1689]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.311187][ T1689]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.311190][ T1689]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.311193][ T1689]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.311195][ T1689]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   92.311200][ T1689]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   92.311205][ T1689]  _printk (kernel/printk/printk.c:2504)
[   92.311208][ T1689]  ? snapshot_read.cold (user.c:?)
[   92.311213][ T1689]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   92.311217][ T1689]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   92.311220][ T1689]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   92.311223][ T1689]  ? netdev_notice (net/core/dev.c:13194)
[   92.311225][ T1689]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   92.311230][ T1689]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   92.311235][ T1689]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   92.311238][ T1689]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   92.311241][ T1689]  netif_set_promiscuity (net/core/dev.c:9699)
[   92.311245][ T1689]  dev_set_promiscuity (net/core/dev_api.c:288)
[   92.311247][ T1689]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   92.311251][ T1689] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   92.311255][ T1689]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[   92.311259][ T1689] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[   92.311263][ T1689] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[   92.311271][ T1689]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   92.311274][ T1689]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   92.311283][ T1689]  ? security_capable (security/security.c:660 (discriminator 11))
[   92.311288][ T1689]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   92.311292][ T1689]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   92.311294][ T1689]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.311297][ T1689]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[   92.311302][ T1689]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.311307][ T1689]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   92.311311][ T1689]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   92.311313][ T1689]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   92.311316][ T1689]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.311323][ T1689]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   92.311325][ T1689]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   92.311329][ T1689]  genl_rcv (net/netlink/genetlink.c:1218)
[   92.311332][ T1689]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.311336][ T1689]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.311340][ T1689]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.311343][ T1689]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   92.311347][ T1689]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   92.311349][ T1689]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.311352][ T1689]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.311357][ T1689]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   92.311360][ T1689]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   92.311365][ T1689]  __sys_sendto (net/socket.c:2281)
[   92.311368][ T1689]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   92.311379][ T1689]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   92.311385][ T1689]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   92.311387][ T1689]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.311391][ T1689]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   92.311393][ T1689]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   92.311396][ T1689]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   92.311398][ T1689]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   92.311400][ T1689]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.311402][ T1689] RIP: 0033:0x7fbf66e55312
[   92.311406][ T1689] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   92.311407][ T1689] RSP: 002b:00007ffffe676df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   92.311410][ T1689] RAX: ffffffffffffffda RBX: 00007ffffe676f28 RCX: 00007fbf66e55312
[   92.311412][ T1689] RDX: 0000000000000024 RSI: 00007fbf6424f150 RDI: 0000000000000023
[   92.311412][ T1689] RBP: 00007ffffe676e20 R08: 00007ffffe676fa0 R09: 000000000000000c
[   92.311413][ T1689] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbf64cae270
[   92.311414][ T1689] R13: 00007ffffe676f28 R14: 00007fbf6677401a R15: 00007ffffe677318
| [   94.029363][ T1725] softirqs last disabled at (392848): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   94.029366][ T1725] Preemption disabled at:
| [   94.029366][ T1725] vprintk_emit (kernel/printk/printk.c:2471)
| [   94.029374][ T1725] Tainted: [W]=WARN
[   94.029375][ T1725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.029377][ T1725] Call Trace:
[   94.029378][ T1725]  <TASK>
[   94.029380][ T1725]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   94.029385][ T1725]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   94.029387][ T1725]  __might_resched.cold (kernel/sched/core.c:9234)
[   94.029391][ T1725]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   94.029395][ T1725]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   94.029400][ T1725]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   94.029402][ T1725]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.029408][ T1725]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   94.029411][ T1725]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.029414][ T1725]  put_chars (drivers/char/virtio_console.c:1176)
[   94.029417][ T1725]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   94.029418][ T1725]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   94.029422][ T1725]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   94.029427][ T1725]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   94.029435][ T1725]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   94.029438][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.029440][ T1725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.029444][ T1725]  console_emit_next_record (kernel/printk/printk.c:3183)
[   94.029448][ T1725]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   94.029450][ T1725]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   94.029453][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.029455][ T1725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.029459][ T1725]  console_flush_one_record (kernel/printk/printk.c:3268)
[   94.029463][ T1725]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   94.029465][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.029470][ T1725]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   94.029473][ T1725]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   94.029475][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.029477][ T1725]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   94.029481][ T1725]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   94.029482][ T1725]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   94.029485][ T1725]  vprintk_emit (kernel/printk/printk.c:2479)
[   94.029488][ T1725]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   94.029490][ T1725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.029495][ T1725]  _printk (kernel/printk/printk.c:2504)
[   94.029498][ T1725]  ? snapshot_read.cold (user.c:?)
[   94.029500][ T1725]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   94.029506][ T1725]  ? idr_get_free (??:?)
[   94.029508][ T1725]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[   94.029518][ T1725] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[   94.029526][ T1725]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   94.029530][ T1725]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   94.029532][ T1725]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[   94.029534][ T1725]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   94.029536][ T1725]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   94.029539][ T1725]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.029541][ T1725]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.029542][ T1725]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.029545][ T1725]  ? __sys_sendto (net/socket.c:2281)
[   94.029547][ T1725]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   94.029566][ T1725]  ? __nla_parse (lib/nlattr.c:732)
[   94.029570][ T1725]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   94.029575][ T1725]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   94.029578][ T1725]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   94.029586][ T1725]  ? security_capable (security/security.c:660 (discriminator 11))
[   94.029590][ T1725]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   94.029594][ T1725]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   94.029596][ T1725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.029599][ T1725]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   94.029603][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.029609][ T1725]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   94.029612][ T1725]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.029614][ T1725]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   94.029617][ T1725]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.029624][ T1725]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   94.029626][ T1725]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   94.029630][ T1725]  genl_rcv (net/netlink/genetlink.c:1218)
[   94.029632][ T1725]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.029636][ T1725]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.029640][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.029643][ T1725]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.029647][ T1725]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   94.029649][ T1725]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.029652][ T1725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.029657][ T1725]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.029658][ T1725]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   94.029662][ T1725]  __sys_sendto (net/socket.c:2281)
[   94.029665][ T1725]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   94.029676][ T1725]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   94.029681][ T1725]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   94.029683][ T1725]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.029687][ T1725]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   94.029688][ T1725]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   94.029691][ T1725]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.029693][ T1725]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   94.029695][ T1725]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.029697][ T1725] RIP: 0033:0x7f073f69f312
[   94.029700][ T1725] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   94.029702][ T1725] RSP: 002b:00007fffb3fcae28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   94.029705][ T1725] RAX: ffffffffffffffda RBX: 00007fffb3fcaf58 RCX: 00007f073f69f312
[   94.029706][ T1725] RDX: 00000000000000e4 RSI: 00007f073c26c5d0 RDI: 0000000000000026
[   94.029707][ T1725] RBP: 00007fffb3fcae50 R08: 00007fffb3fcafd0 R09: 000000000000000c
[   94.029708][ T1725] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f073d5022e0
[   94.029709][ T1725] R13: 00007fffb3fcaf58 R14: 00007f073efbe01a R15: 00007fffb3fcb348
| [   95.163054][ T1775] softirqs last disabled at (20524): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   95.163056][ T1775] Preemption disabled at:
| [   95.163057][ T1775] vprintk_emit (kernel/printk/printk.c:2471)
| [   95.163065][ T1775] Tainted: [W]=WARN
[   95.163066][ T1775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.163067][ T1775] Call Trace:
[   95.163069][ T1775]  <TASK>
[   95.163070][ T1775]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   95.163076][ T1775]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   95.163078][ T1775]  __might_resched.cold (kernel/sched/core.c:9234)
[   95.163082][ T1775]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   95.163086][ T1775]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   95.163090][ T1775]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   95.163092][ T1775]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.163099][ T1775]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   95.163101][ T1775]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.163105][ T1775]  put_chars (drivers/char/virtio_console.c:1176)
[   95.163107][ T1775]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   95.163109][ T1775]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   95.163112][ T1775]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   95.163115][ T1775]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   95.163118][ T1775]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   95.163122][ T1775]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   95.163126][ T1775]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   95.163128][ T1775]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.163129][ T1775]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.163133][ T1775]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   95.163136][ T1775]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   95.163139][ T1775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.163141][ T1775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.163145][ T1775]  console_emit_next_record (kernel/printk/printk.c:3183)
[   95.163149][ T1775]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   95.163151][ T1775]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   95.163154][ T1775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.163156][ T1775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.163159][ T1775]  console_flush_one_record (kernel/printk/printk.c:3268)
[   95.163163][ T1775]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   95.163165][ T1775]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.163171][ T1775]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   95.163173][ T1775]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   95.163175][ T1775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.163177][ T1775]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   95.163181][ T1775]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   95.163182][ T1775]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   95.163185][ T1775]  vprintk_emit (kernel/printk/printk.c:2479)
[   95.163188][ T1775]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   95.163190][ T1775]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   95.163194][ T1775]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   95.163199][ T1775]  _printk (kernel/printk/printk.c:2504)
[   95.163202][ T1775]  ? snapshot_read.cold (user.c:?)
[   95.163207][ T1775]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   95.163210][ T1775]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   95.163214][ T1775]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   95.163217][ T1775]  ? netdev_notice (net/core/dev.c:13194)
[   95.163219][ T1775]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   95.163223][ T1775]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   95.163228][ T1775]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   95.163231][ T1775]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   95.163234][ T1775]  netif_set_promiscuity (net/core/dev.c:9699)
[   95.163238][ T1775]  dev_set_promiscuity (net/core/dev_api.c:288)
[   95.163240][ T1775]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.163243][ T1775] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   95.163250][ T1775] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   95.163255][ T1775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.163257][ T1775]  notifier_call_chain (kernel/notifier.c:85)
[   95.163263][ T1775]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   95.163268][ T1775]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   95.163275][ T1775]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   95.163276][ T1775]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   95.163278][ T1775]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.163280][ T1775]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.163282][ T1775]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   95.163303][ T1775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   95.163305][ T1775]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.163308][ T1775]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.163310][ T1775]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   95.163312][ T1775]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.163316][ T1775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   95.163318][ T1775]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.163320][ T1775]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   95.163322][ T1775]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.163325][ T1775]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   95.163327][ T1775]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.163331][ T1775]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.163332][ T1775]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.163336][ T1775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   95.163338][ T1775]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.163342][ T1775]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.163345][ T1775]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.163347][ T1775]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   95.163354][ T1775]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   95.163356][ T1775]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   95.163360][ T1775]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.163364][ T1775]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   95.163367][ T1775]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.163371][ T1775]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.163375][ T1775]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   95.163378][ T1775]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.163380][ T1775]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   95.163385][ T1775]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   95.163389][ T1775]  ____sys_sendmsg (net/socket.c:2713)
[   95.163391][ T1775]  ? copy_msghdr_from_user (net/socket.c:2650)
[   95.163394][ T1775]  ? sock_write_iter (net/socket.c:1269)
[   95.163395][ T1775]  ? move_addr_to_kernel (net/socket.c:258)
[   95.163402][ T1775]  ___sys_sendmsg (net/socket.c:2767)
[   95.163405][ T1775]  ? copy_msghdr_from_user (net/socket.c:2619)
[   95.163421][ T1775]  __sys_sendmsg (net/socket.c:2799)
[   95.163423][ T1775]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   95.163430][ T1775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.163432][ T1775]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.163436][ T1775]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   95.163438][ T1775]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.163440][ T1775] RIP: 0033:0x7fc47bc8954e
[   95.163444][ T1775] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   95.163445][ T1775] RSP: 002b:00007ffe5bd938e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   95.163448][ T1775] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc47bc8954e
[   95.163449][ T1775] RDX: 0000000000000000 RSI: 00007ffe5bd93990 RDI: 0000000000000005
[   95.163450][ T1775] RBP: 00007ffe5bd938f0 R08: 0000000000000000 R09: 0000000000000000
[   95.163451][ T1775] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ee4
[   95.163452][ T1775] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5bd94050
| [   98.541021][ T1841] softirqs last disabled at (378596): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   98.541023][ T1841] Preemption disabled at:
| [   98.541024][ T1841] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.541033][ T1841] Tainted: [W]=WARN
[   98.541034][ T1841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.541035][ T1841] Call Trace:
[   98.541037][ T1841]  <TASK>
[   98.541038][ T1841]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.541047][ T1841]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.541049][ T1841]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.541053][ T1841]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.541057][ T1841]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   98.541062][ T1841]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   98.541064][ T1841]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.541070][ T1841]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.541073][ T1841]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.541077][ T1841]  put_chars (drivers/char/virtio_console.c:1176)
[   98.541079][ T1841]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.541086][ T1841]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.541093][ T1841]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.541097][ T1841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.541101][ T1841]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.541105][ T1841]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.541107][ T1841]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   98.541110][ T1841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.541113][ T1841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.541117][ T1841]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.541121][ T1841]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.541123][ T1841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.541129][ T1841]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.541131][ T1841]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.541133][ T1841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.541135][ T1841]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   98.541139][ T1841]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.541141][ T1841]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.541143][ T1841]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.541146][ T1841]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.541148][ T1841]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   98.541150][ T1841]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   98.541153][ T1841]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   98.541155][ T1841]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   98.541160][ T1841]  _printk (kernel/printk/printk.c:2504)
[   98.541163][ T1841]  ? snapshot_read.cold (user.c:?)
[   98.541167][ T1841]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.541171][ T1841]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.541175][ T1841]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.541178][ T1841]  ? netdev_notice (net/core/dev.c:13194)
[   98.541181][ T1841]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   98.541184][ T1841]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[   98.541189][ T1841]  ? register_netdevice (net/core/dev.c:11556)
[   98.541192][ T1841]  ? 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)
[   98.541195][ T1841]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   98.541197][ T1841]  ? unregister_netdev (net/core/dev.c:12699)
[   98.541199][ T1841]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[   98.541201][ T1841]  netif_set_promiscuity (net/core/dev.c:9699)
[   98.541205][ T1841]  dev_set_promiscuity (net/core/dev_api.c:288)
[   98.541208][ T1841] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[   98.541213][ T1841] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   98.541218][ T1841] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   98.541223][ T1841] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[   98.541230][ T1841]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   98.541233][ T1841]  ? __nla_validate_parse (lib/nlattr.c:635)
[   98.541239][ T1841]  ? __nla_parse (lib/nlattr.c:732)
[   98.541242][ T1841]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   98.541247][ T1841]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   98.541250][ T1841]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   98.541258][ T1841]  ? security_capable (security/security.c:660 (discriminator 11))
[   98.541263][ T1841]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   98.541266][ T1841]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   98.541269][ T1841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.541272][ T1841]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   98.541276][ T1841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.541281][ T1841]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   98.541285][ T1841]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   98.541287][ T1841]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   98.541290][ T1841]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.541297][ T1841]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   98.541299][ T1841]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   98.541303][ T1841]  genl_rcv (net/netlink/genetlink.c:1218)
[   98.541306][ T1841]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.541310][ T1841]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.541313][ T1841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.541317][ T1841]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   98.541321][ T1841]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   98.541323][ T1841]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   98.541326][ T1841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.541331][ T1841]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   98.541334][ T1841]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   98.541337][ T1841]  __sys_sendto (net/socket.c:2281)
[   98.541341][ T1841]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   98.541352][ T1841]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   98.541357][ T1841]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   98.541359][ T1841]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.541363][ T1841]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   98.541365][ T1841]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   98.541367][ T1841]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   98.541369][ T1841]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   98.541371][ T1841]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.541374][ T1841] RIP: 0033:0x7f242e0d5312
[   98.541377][ T1841] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   98.541379][ T1841] RSP: 002b:00007ffc56ed85d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   98.541381][ T1841] RAX: ffffffffffffffda RBX: 00007ffc56ed8708 RCX: 00007f242e0d5312
[   98.541383][ T1841] RDX: 0000000000000030 RSI: 00007f2429cca730 RDI: 0000000000000020
[   98.541383][ T1841] RBP: 00007ffc56ed8600 R08: 00007ffc56ed8780 R09: 000000000000000c
[   98.541384][ T1841] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f242bf2e0b0
[   98.541385][ T1841] R13: 00007ffc56ed8708 R14: 00007f242d9f401a R15: 00007ffc56ed8af8
| [   99.823639][ T1889] softirqs last disabled at (376530): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   99.823641][ T1889] Preemption disabled at:
| [   99.823642][ T1889] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.823650][ T1889] Tainted: [W]=WARN
[   99.823651][ T1889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.823653][ T1889] Call Trace:
[   99.823654][ T1889]  <TASK>
[   99.823656][ T1889]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.823662][ T1889]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.823664][ T1889]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.823668][ T1889]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.823673][ T1889]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   99.823677][ T1889]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   99.823679][ T1889]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.823685][ T1889]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.823688][ T1889]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.823692][ T1889]  put_chars (drivers/char/virtio_console.c:1176)
[   99.823694][ T1889]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.823697][ T1889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.823700][ T1889]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.823705][ T1889]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.823709][ T1889]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.823711][ T1889]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.823715][ T1889]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.823719][ T1889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.823721][ T1889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.823725][ T1889]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.823729][ T1889]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.823731][ T1889]  ? 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))
[   99.823734][ T1889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.823736][ T1889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.823740][ T1889]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.823744][ T1889]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.823746][ T1889]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.823751][ T1889]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.823754][ T1889]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.823756][ T1889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.823758][ T1889]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   99.823761][ T1889]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.823763][ T1889]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.823766][ T1889]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.823769][ T1889]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.823775][ T1889]  _printk (kernel/printk/printk.c:2504)
[   99.823778][ T1889]  ? snapshot_read.cold (user.c:?)
[   99.823781][ T1889]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   99.823784][ T1889]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   99.823788][ T1889]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   99.823790][ T1889]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   99.823793][ T1889]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   99.823797][ T1889]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   99.823803][ T1889]  ? netdev_notice (net/core/dev.c:13194)
[   99.823805][ T1889]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   99.823813][ T1889]  ? 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)
[   99.823816][ T1889]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   99.823819][ T1889]  netif_set_promiscuity (net/core/dev.c:9699)
[   99.823823][ T1889]  dev_set_promiscuity (net/core/dev_api.c:288)
[   99.823825][ T1889]  ? dev_disable_lro (net/core/dev_api.c:267)
[   99.823827][ T1889] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   99.823832][ T1889] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   99.823837][ T1889] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   99.823847][ T1889]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   99.823851][ T1889] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   99.823857][ T1889]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   99.823860][ T1889]  ? __nla_validate_parse (lib/nlattr.c:635)
[   99.823867][ T1889]  ? __nla_parse (lib/nlattr.c:732)
[   99.823869][ T1889]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   99.823874][ T1889]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   99.823877][ T1889]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   99.823885][ T1889]  ? security_capable (security/security.c:660 (discriminator 11))
[   99.823890][ T1889]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   99.823894][ T1889]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   99.823896][ T1889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.823898][ T1889]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   99.823903][ T1889]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.823908][ T1889]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   99.823911][ T1889]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.823913][ T1889]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   99.823917][ T1889]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.823924][ T1889]  ? 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))
[   99.823926][ T1889]  ? 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))
[   99.823930][ T1889]  genl_rcv (net/netlink/genetlink.c:1218)
[   99.823932][ T1889]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.823936][ T1889]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.823938][ T1889]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   99.823943][ T1889]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.823946][ T1889]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.823950][ T1889]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.823952][ T1889]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.823955][ T1889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.823960][ T1889]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   99.823963][ T1889]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   99.823967][ T1889]  __sys_sendto (net/socket.c:2281)
[   99.823970][ T1889]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   99.823976][ T1889]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   99.823984][ T1889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.823988][ T1889]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   99.823990][ T1889]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   99.823994][ T1889]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   99.823996][ T1889]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   99.823999][ T1889]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.824001][ T1889]  ? irq_exit_rcu (kernel/softirq.c:786)
[   99.824005][ T1889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.824008][ T1889] RIP: 0033:0x7fa9f5e13312
[   99.824011][ T1889] 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)
[   99.824013][ T1889] RSP: 002b:00007ffc42435318 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   99.824016][ T1889] RAX: ffffffffffffffda RBX: 00007ffc42435448 RCX: 00007fa9f5e13312
[   99.824017][ T1889] RDX: 0000000000000034 RSI: 00007fa9f1a2aa70 RDI: 0000000000000023
[   99.824018][ T1889] RBP: 00007ffc42435340 R08: 00007ffc424354c0 R09: 000000000000000c
[   99.824019][ T1889] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa9f3c76190
[   99.824020][ T1889] R13: 00007ffc42435448 R14: 00007fa9f573201a R15: 00007ffc42435838
| [  101.597256][ T1918] softirqs last disabled at (25715): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  101.597259][ T1918] Preemption disabled at:
| [  101.597260][ T1918] vprintk_emit (kernel/printk/printk.c:2471)
| [  101.597268][ T1918] Tainted: [W]=WARN
[  101.597269][ T1918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.597270][ T1918] Call Trace:
[  101.597272][ T1918]  <TASK>
[  101.597274][ T1918]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  101.597279][ T1918]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  101.597281][ T1918]  __might_resched.cold (kernel/sched/core.c:9234)
[  101.597286][ T1918]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  101.597290][ T1918]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  101.597294][ T1918]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  101.597296][ T1918]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.597303][ T1918]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.597305][ T1918]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.597309][ T1918]  put_chars (drivers/char/virtio_console.c:1176)
[  101.597311][ T1918]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  101.597313][ T1918]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  101.597316][ T1918]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  101.597319][ T1918]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.597322][ T1918]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  101.597326][ T1918]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  101.597331][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  101.597333][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.597334][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.597338][ T1918]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  101.597341][ T1918]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  101.597344][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.597346][ T1918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.597350][ T1918]  console_emit_next_record (kernel/printk/printk.c:3183)
[  101.597354][ T1918]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  101.597356][ T1918]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  101.597360][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.597361][ T1918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.597365][ T1918]  console_flush_one_record (kernel/printk/printk.c:3268)
[  101.597370][ T1918]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  101.597372][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.597377][ T1918]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  101.597380][ T1918]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  101.597382][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.597384][ T1918]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  101.597387][ T1918]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  101.597389][ T1918]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  101.597392][ T1918]  vprintk_emit (kernel/printk/printk.c:2479)
[  101.597395][ T1918]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  101.597397][ T1918]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[  101.597401][ T1918]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  101.597407][ T1918]  _printk (kernel/printk/printk.c:2504)
[  101.597410][ T1918]  ? snapshot_read.cold (user.c:?)
[  101.597415][ T1918]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  101.597418][ T1918]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  101.597422][ T1918]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  101.597425][ T1918]  ? netdev_notice (net/core/dev.c:13194)
[  101.597427][ T1918]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  101.597431][ T1918]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  101.597436][ T1918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  101.597439][ T1918]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  101.597443][ T1918]  netif_set_promiscuity (net/core/dev.c:9699)
[  101.597446][ T1918]  dev_set_promiscuity (net/core/dev_api.c:288)
[  101.597448][ T1918]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  101.597452][ T1918] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  101.597460][ T1918] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  101.597464][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.597467][ T1918]  notifier_call_chain (kernel/notifier.c:85)
[  101.597472][ T1918]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  101.597477][ T1918]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  101.597485][ T1918]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  101.597487][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  101.597489][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.597490][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.597493][ T1918]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  101.597514][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  101.597516][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.597519][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.597521][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  101.597523][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.597528][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  101.597530][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.597532][ T1918]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  101.597534][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.597538][ T1918]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  101.597540][ T1918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  101.597543][ T1918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.597544][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.597549][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  101.597551][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.597554][ T1918]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  101.597558][ T1918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.597561][ T1918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.597567][ T1918]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.597569][ T1918]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.597574][ T1918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.597578][ T1918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.597581][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.597585][ T1918]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  101.597589][ T1918]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  101.597593][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.597594][ T1918]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  101.597600][ T1918]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  101.597604][ T1918]  ____sys_sendmsg (net/socket.c:2713)
[  101.597607][ T1918]  ? copy_msghdr_from_user (net/socket.c:2650)
[  101.597609][ T1918]  ? sock_write_iter (net/socket.c:1269)
[  101.597611][ T1918]  ? move_addr_to_kernel (net/socket.c:258)
[  101.597618][ T1918]  ___sys_sendmsg (net/socket.c:2767)
[  101.597621][ T1918]  ? copy_msghdr_from_user (net/socket.c:2619)
[  101.597637][ T1918]  __sys_sendmsg (net/socket.c:2799)
[  101.597640][ T1918]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  101.597646][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.597649][ T1918]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  101.597653][ T1918]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  101.597656][ T1918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.597658][ T1918] RIP: 0033:0x7ff6d17fb54e
[  101.597661][ T1918] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.597663][ T1918] RSP: 002b:00007ffd78875a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.597666][ T1918] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff6d17fb54e
[  101.597667][ T1918] RDX: 0000000000000000 RSI: 00007ffd78875af0 RDI: 0000000000000005
[  101.597668][ T1918] RBP: 00007ffd78875a50 R08: 0000000000000000 R09: 0000000000000000
[  101.597669][ T1918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913eea
[  101.597670][ T1918] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd788761b0
| [  104.506899][ T1969] softirqs last disabled at (382520): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  104.506901][ T1969] Preemption disabled at:
| [  104.506902][ T1969] vprintk_emit (kernel/printk/printk.c:2471)
| [  104.506910][ T1969] Tainted: [W]=WARN
[  104.506912][ T1969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.506913][ T1969] Call Trace:
[  104.506914][ T1969]  <TASK>
[  104.506916][ T1969]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  104.506923][ T1969]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  104.506924][ T1969]  __might_resched.cold (kernel/sched/core.c:9234)
[  104.506929][ T1969]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  104.506933][ T1969]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  104.506938][ T1969]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  104.506940][ T1969]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.506947][ T1969]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  104.506949][ T1969]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.506953][ T1969]  put_chars (drivers/char/virtio_console.c:1176)
[  104.506956][ T1969]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  104.506963][ T1969]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  104.506971][ T1969]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  104.506977][ T1969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.506982][ T1969]  console_emit_next_record (kernel/printk/printk.c:3183)
[  104.506986][ T1969]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  104.506988][ T1969]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  104.506991][ T1969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506994][ T1969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.506998][ T1969]  console_flush_one_record (kernel/printk/printk.c:3268)
[  104.507003][ T1969]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  104.507005][ T1969]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.507011][ T1969]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  104.507014][ T1969]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  104.507016][ T1969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.507018][ T1969]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  104.507022][ T1969]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  104.507023][ T1969]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  104.507026][ T1969]  vprintk_emit (kernel/printk/printk.c:2479)
[  104.507030][ T1969]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  104.507031][ T1969]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  104.507034][ T1969]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  104.507037][ T1969]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  104.507039][ T1969]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  104.507044][ T1969]  _printk (kernel/printk/printk.c:2504)
[  104.507047][ T1969]  ? snapshot_read.cold (user.c:?)
[  104.507052][ T1969]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  104.507056][ T1969]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  104.507060][ T1969]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  104.507063][ T1969]  ? netdev_notice (net/core/dev.c:13194)
[  104.507066][ T1969]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  104.507069][ T1969]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  104.507074][ T1969]  ? register_netdevice (net/core/dev.c:11556)
[  104.507077][ T1969]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.507080][ T1969]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  104.507082][ T1969]  ? unregister_netdev (net/core/dev.c:12699)
[  104.507084][ T1969]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  104.507087][ T1969]  netif_set_promiscuity (net/core/dev.c:9699)
[  104.507091][ T1969]  dev_set_promiscuity (net/core/dev_api.c:288)
[  104.507094][ T1969] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  104.507099][ T1969] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  104.507105][ T1969] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  104.507110][ T1969] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  104.507118][ T1969]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  104.507121][ T1969]  ? __nla_validate_parse (lib/nlattr.c:635)
[  104.507127][ T1969]  ? __nla_parse (lib/nlattr.c:732)
[  104.507130][ T1969]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  104.507135][ T1969]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  104.507139][ T1969]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  104.507148][ T1969]  ? security_capable (security/security.c:660 (discriminator 11))
[  104.507152][ T1969]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  104.507156][ T1969]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  104.507159][ T1969]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  104.507162][ T1969]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  104.507166][ T1969]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.507172][ T1969]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  104.507176][ T1969]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.507178][ T1969]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  104.507182][ T1969]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  104.507189][ T1969]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  104.507191][ T1969]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  104.507195][ T1969]  genl_rcv (net/netlink/genetlink.c:1218)
[  104.507197][ T1969]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.507202][ T1969]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  104.507206][ T1969]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.507209][ T1969]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.507214][ T1969]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  104.507216][ T1969]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.507219][ T1969]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.507224][ T1969]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  104.507227][ T1969]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  104.507231][ T1969]  __sys_sendto (net/socket.c:2281)
[  104.507234][ T1969]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  104.507245][ T1969]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  104.507251][ T1969]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  104.507254][ T1969]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.507257][ T1969]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  104.507259][ T1969]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  104.507262][ T1969]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.507264][ T1969]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  104.507266][ T1969]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.507269][ T1969] RIP: 0033:0x7f8c80a3b312
[  104.507273][ T1969] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  104.507274][ T1969] RSP: 002b:00007ffd17cd4978 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  104.507277][ T1969] RAX: ffffffffffffffda RBX: 00007ffd17cd4aa8 RCX: 00007f8c80a3b312
[  104.507278][ T1969] RDX: 0000000000000034 RSI: 00007f8c7c63d630 RDI: 0000000000000020
[  104.507279][ T1969] RBP: 00007ffd17cd49a0 R08: 00007ffd17cd4b20 R09: 000000000000000c
[  104.507280][ T1969] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8c7e89e0b0
[  104.507281][ T1969] R13: 00007ffd17cd4aa8 R14: 00007f8c8035a01a R15: 00007ffd17cd4e98
| [  105.871849][ T2014] softirqs last disabled at (386716): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  105.871851][ T2014] Preemption disabled at:
| [  105.871852][ T2014] vprintk_emit (kernel/printk/printk.c:2471)
| [  105.871860][ T2014] Tainted: [W]=WARN
[  105.871861][ T2014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.871863][ T2014] Call Trace:
[  105.871864][ T2014]  <TASK>
[  105.871866][ T2014]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  105.871877][ T2014]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  105.871879][ T2014]  __might_resched.cold (kernel/sched/core.c:9234)
[  105.871883][ T2014]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  105.871887][ T2014]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  105.871892][ T2014]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  105.871894][ T2014]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.871900][ T2014]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  105.871903][ T2014]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.871907][ T2014]  put_chars (drivers/char/virtio_console.c:1176)
[  105.871909][ T2014]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  105.871912][ T2014]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  105.871915][ T2014]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  105.871920][ T2014]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  105.871924][ T2014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.871925][ T2014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.871930][ T2014]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  105.871934][ T2014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.871936][ T2014]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.871940][ T2014]  console_emit_next_record (kernel/printk/printk.c:3183)
[  105.871944][ T2014]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  105.871946][ T2014]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  105.871949][ T2014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.871951][ T2014]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.871955][ T2014]  console_flush_one_record (kernel/printk/printk.c:3268)
[  105.871959][ T2014]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  105.871961][ T2014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.871966][ T2014]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  105.871969][ T2014]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  105.871971][ T2014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.871973][ T2014]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  105.871976][ T2014]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  105.871978][ T2014]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  105.871981][ T2014]  vprintk_emit (kernel/printk/printk.c:2479)
[  105.871984][ T2014]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  105.871989][ T2014]  _printk (kernel/printk/printk.c:2504)
[  105.871993][ T2014]  ? snapshot_read.cold (user.c:?)
[  105.871996][ T2014]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  105.871999][ T2014]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  105.872003][ T2014]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  105.872005][ T2014]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  105.872008][ T2014]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  105.872012][ T2014]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  105.872015][ T2014]  ? netdev_notice (net/core/dev.c:13194)
[  105.872017][ T2014]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  105.872026][ T2014]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  105.872029][ T2014]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  105.872033][ T2014]  netif_set_promiscuity (net/core/dev.c:9699)
[  105.872037][ T2014]  dev_set_promiscuity (net/core/dev_api.c:288)
[  105.872039][ T2014]  ? dev_disable_lro (net/core/dev_api.c:267)
[  105.872041][ T2014] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  105.872046][ T2014] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  105.872051][ T2014] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  105.872055][ T2014]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  105.872060][ T2014] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  105.872066][ T2014]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  105.872069][ T2014]  ? __nla_validate_parse (lib/nlattr.c:635)
[  105.872075][ T2014]  ? __nla_parse (lib/nlattr.c:732)
[  105.872078][ T2014]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  105.872083][ T2014]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  105.872086][ T2014]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  105.872095][ T2014]  ? security_capable (security/security.c:660 (discriminator 11))
[  105.872099][ T2014]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  105.872103][ T2014]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  105.872105][ T2014]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  105.872107][ T2014]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  105.872112][ T2014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.872117][ T2014]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  105.872120][ T2014]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.872123][ T2014]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  105.872126][ T2014]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.872133][ T2014]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  105.872135][ T2014]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  105.872139][ T2014]  genl_rcv (net/netlink/genetlink.c:1218)
[  105.872142][ T2014]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.872146][ T2014]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.872149][ T2014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.872153][ T2014]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.872157][ T2014]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  105.872159][ T2014]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  105.872162][ T2014]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  105.872166][ T2014]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  105.872169][ T2014]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  105.872173][ T2014]  __sys_sendto (net/socket.c:2281)
[  105.872176][ T2014]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  105.872187][ T2014]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  105.872194][ T2014]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  105.872196][ T2014]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  105.872199][ T2014]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  105.872201][ T2014]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  105.872203][ T2014]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.872205][ T2014]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  105.872208][ T2014]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.872210][ T2014] RIP: 0033:0x7fc54574b312
[  105.872213][ T2014] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  105.872215][ T2014] RSP: 002b:00007ffeb6d5f888 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  105.872218][ T2014] RAX: ffffffffffffffda RBX: 00007ffeb6d5f9b8 RCX: 00007fc54574b312
[  105.872219][ T2014] RDX: 0000000000000034 RSI: 00007fc54138e8f0 RDI: 0000000000000023
[  105.872220][ T2014] RBP: 00007ffeb6d5f8b0 R08: 00007ffeb6d5fa30 R09: 000000000000000c
[  105.872221][ T2014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5435ae190
[  105.872222][ T2014] R13: 00007ffeb6d5f9b8 R14: 00007fc54506a01a R15: 00007ffeb6d5fda8
| [  107.637852][ T2052] softirqs last disabled at (370698): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  107.637854][ T2052] Preemption disabled at:
| [  107.637855][ T2052] vprintk_emit (kernel/printk/printk.c:2471)
| [  107.637863][ T2052] Tainted: [W]=WARN
[  107.637864][ T2052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.637866][ T2052] Call Trace:
[  107.637867][ T2052]  <TASK>
[  107.637869][ T2052]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  107.637875][ T2052]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  107.637882][ T2052]  __might_resched.cold (kernel/sched/core.c:9234)
[  107.637886][ T2052]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  107.637891][ T2052]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  107.637895][ T2052]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  107.637897][ T2052]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.637904][ T2052]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.637907][ T2052]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.637910][ T2052]  put_chars (drivers/char/virtio_console.c:1176)
[  107.637913][ T2052]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  107.637916][ T2052]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.637919][ T2052]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  107.637924][ T2052]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  107.637928][ T2052]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.637930][ T2052]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.637934][ T2052]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  107.637938][ T2052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.637940][ T2052]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.637944][ T2052]  console_emit_next_record (kernel/printk/printk.c:3183)
[  107.637948][ T2052]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  107.637950][ T2052]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  107.637953][ T2052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.637955][ T2052]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.637959][ T2052]  console_flush_one_record (kernel/printk/printk.c:3268)
[  107.637963][ T2052]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  107.637965][ T2052]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.637971][ T2052]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  107.637973][ T2052]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  107.637975][ T2052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.637977][ T2052]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  107.637981][ T2052]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  107.637983][ T2052]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  107.637985][ T2052]  vprintk_emit (kernel/printk/printk.c:2479)
[  107.637989][ T2052]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  107.637994][ T2052]  _printk (kernel/printk/printk.c:2504)
[  107.637997][ T2052]  ? snapshot_read.cold (user.c:?)
[  107.638000][ T2052]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  107.638003][ T2052]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  107.638007][ T2052]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.638009][ T2052]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  107.638010][ T2052]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  107.638014][ T2052]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  107.638018][ T2052]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  107.638020][ T2052]  ? netdev_notice (net/core/dev.c:13194)
[  107.638022][ T2052]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  107.638034][ T2052]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.638036][ T2052]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  107.638040][ T2052]  netif_set_promiscuity (net/core/dev.c:9699)
[  107.638043][ T2052]  dev_set_promiscuity (net/core/dev_api.c:288)
[  107.638045][ T2052]  ? dev_disable_lro (net/core/dev_api.c:267)
[  107.638047][ T2052] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  107.638052][ T2052] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  107.638057][ T2052] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  107.638062][ T2052]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  107.638066][ T2052] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  107.638072][ T2052]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  107.638075][ T2052]  ? __nla_validate_parse (lib/nlattr.c:635)
[  107.638082][ T2052]  ? __nla_parse (lib/nlattr.c:732)
[  107.638084][ T2052]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  107.638089][ T2052]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  107.638092][ T2052]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  107.638101][ T2052]  ? security_capable (security/security.c:660 (discriminator 11))
[  107.638105][ T2052]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  107.638109][ T2052]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  107.638112][ T2052]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.638114][ T2052]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  107.638118][ T2052]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.638124][ T2052]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  107.638127][ T2052]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  107.638129][ T2052]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  107.638133][ T2052]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.638140][ T2052]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.638142][ T2052]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.638146][ T2052]  genl_rcv (net/netlink/genetlink.c:1218)
[  107.638148][ T2052]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.638152][ T2052]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.638156][ T2052]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.638159][ T2052]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  107.638164][ T2052]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  107.638165][ T2052]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  107.638168][ T2052]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  107.638173][ T2052]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  107.638176][ T2052]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  107.638180][ T2052]  __sys_sendto (net/socket.c:2281)
[  107.638183][ T2052]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  107.638188][ T2052]  ? do_futex (kernel/futex/syscalls.c:138)
[  107.638192][ T2052]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  107.638198][ T2052]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  107.638202][ T2052]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  107.638206][ T2052]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  107.638208][ T2052]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.638212][ T2052]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  107.638213][ T2052]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  107.638216][ T2052]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  107.638218][ T2052]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  107.638220][ T2052]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.638223][ T2052] RIP: 0033:0x7f9528ea9312
[  107.638226][ T2052] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  107.638228][ T2052] RSP: 002b:00007ffdb2949f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  107.638231][ T2052] RAX: ffffffffffffffda RBX: 00007ffdb294a078 RCX: 00007f9528ea9312
[  107.638232][ T2052] RDX: 0000000000000038 RSI: 00007f9524120630 RDI: 0000000000000023
[  107.638233][ T2052] RBP: 00007ffdb2949f70 R08: 00007ffdb294a0f0 R09: 000000000000000c
[  107.638234][ T2052] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9526d02190
[  107.638235][ T2052] R13: 00007ffdb294a078 R14: 00007f95287c801a R15: 00007ffdb294a468
| [  114.049273][ T2179] softirqs last disabled at (18888): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  114.049276][ T2179] Preemption disabled at:
| [  114.049276][ T2179] vprintk_emit (kernel/printk/printk.c:2471)
| [  114.049285][ T2179] Tainted: [W]=WARN
[  114.049286][ T2179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.049288][ T2179] Call Trace:
[  114.049289][ T2179]  <TASK>
[  114.049291][ T2179]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  114.049297][ T2179]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  114.049298][ T2179]  __might_resched.cold (kernel/sched/core.c:9234)
[  114.049303][ T2179]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  114.049307][ T2179]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  114.049312][ T2179]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  114.049314][ T2179]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.049321][ T2179]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  114.049324][ T2179]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.049327][ T2179]  put_chars (drivers/char/virtio_console.c:1176)
[  114.049329][ T2179]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  114.049331][ T2179]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  114.049334][ T2179]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  114.049337][ T2179]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  114.049340][ T2179]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  114.049344][ T2179]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  114.049349][ T2179]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  114.049351][ T2179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.049352][ T2179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.049356][ T2179]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  114.049359][ T2179]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  114.049362][ T2179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.049364][ T2179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.049368][ T2179]  console_emit_next_record (kernel/printk/printk.c:3183)
[  114.049372][ T2179]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  114.049374][ T2179]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  114.049377][ T2179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.049379][ T2179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.049383][ T2179]  console_flush_one_record (kernel/printk/printk.c:3268)
[  114.049387][ T2179]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  114.049389][ T2179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.049395][ T2179]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  114.049397][ T2179]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  114.049399][ T2179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.049401][ T2179]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  114.049405][ T2179]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  114.049407][ T2179]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  114.049409][ T2179]  vprintk_emit (kernel/printk/printk.c:2479)
[  114.049413][ T2179]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  114.049415][ T2179]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  114.049418][ T2179]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  114.049427][ T2179]  _printk (kernel/printk/printk.c:2504)
[  114.049431][ T2179]  ? snapshot_read.cold (user.c:?)
[  114.049435][ T2179]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  114.049439][ T2179]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  114.049443][ T2179]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  114.049446][ T2179]  ? netdev_notice (net/core/dev.c:13194)
[  114.049447][ T2179]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  114.049452][ T2179]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  114.049457][ T2179]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  114.049460][ T2179]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  114.049464][ T2179]  netif_set_promiscuity (net/core/dev.c:9699)
[  114.049467][ T2179]  dev_set_promiscuity (net/core/dev_api.c:288)
[  114.049469][ T2179]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  114.049472][ T2179] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  114.049479][ T2179] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  114.049484][ T2179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.049486][ T2179]  notifier_call_chain (kernel/notifier.c:85)
[  114.049492][ T2179]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  114.049497][ T2179]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  114.049504][ T2179]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  114.049506][ T2179]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  114.049508][ T2179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.049510][ T2179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.049512][ T2179]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  114.049534][ T2179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  114.049536][ T2179]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.049539][ T2179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.049541][ T2179]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  114.049543][ T2179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.049548][ T2179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  114.049550][ T2179]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.049552][ T2179]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  114.049554][ T2179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.049558][ T2179]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  114.049560][ T2179]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.049563][ T2179]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.049564][ T2179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.049569][ T2179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  114.049571][ T2179]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.049574][ T2179]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  114.049577][ T2179]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.049580][ T2179]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  114.049587][ T2179]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  114.049589][ T2179]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  114.049593][ T2179]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.049597][ T2179]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  114.049600][ T2179]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.049604][ T2179]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.049608][ T2179]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  114.049612][ T2179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.049614][ T2179]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  114.049619][ T2179]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  114.049624][ T2179]  ____sys_sendmsg (net/socket.c:2713)
[  114.049626][ T2179]  ? copy_msghdr_from_user (net/socket.c:2650)
[  114.049628][ T2179]  ? sock_write_iter (net/socket.c:1269)
[  114.049630][ T2179]  ? move_addr_to_kernel (net/socket.c:258)
[  114.049637][ T2179]  ___sys_sendmsg (net/socket.c:2767)
[  114.049640][ T2179]  ? copy_msghdr_from_user (net/socket.c:2619)
[  114.049656][ T2179]  __sys_sendmsg (net/socket.c:2799)
[  114.049659][ T2179]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  114.049665][ T2179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.049668][ T2179]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.049672][ T2179]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  114.049675][ T2179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.049678][ T2179] RIP: 0033:0x7f8b70dc554e
[  114.049681][ T2179] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  114.049683][ T2179] RSP: 002b:00007fff3d68f310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  114.049686][ T2179] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8b70dc554e
[  114.049687][ T2179] RDX: 0000000000000000 RSI: 00007fff3d68f3c0 RDI: 0000000000000005
[  114.049688][ T2179] RBP: 00007fff3d68f320 R08: 0000000000000000 R09: 0000000000000000
[  114.049689][ T2179] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ef7
[  114.049690][ T2179] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3d68fa80
| [  117.584640][ T2241] softirqs last disabled at (380592): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  117.584643][ T2241] Preemption disabled at:
| [  117.584644][ T2241] vprintk_emit (kernel/printk/printk.c:2471)
| [  117.584652][ T2241] Tainted: [W]=WARN
[  117.584653][ T2241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.584655][ T2241] Call Trace:
[  117.584656][ T2241]  <TASK>
[  117.584658][ T2241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  117.584664][ T2241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  117.584665][ T2241]  __might_resched.cold (kernel/sched/core.c:9234)
[  117.584670][ T2241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  117.584674][ T2241]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  117.584678][ T2241]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  117.584680][ T2241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.584687][ T2241]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  117.584689][ T2241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.584693][ T2241]  put_chars (drivers/char/virtio_console.c:1176)
[  117.584695][ T2241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  117.584698][ T2241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  117.584701][ T2241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  117.584704][ T2241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  117.584708][ T2241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  117.584712][ T2241]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  117.584714][ T2241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.584716][ T2241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.584720][ T2241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  117.584722][ T2241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  117.584726][ T2241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.584730][ T2241]  console_emit_next_record (kernel/printk/printk.c:3183)
[  117.584734][ T2241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  117.584736][ T2241]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  117.584739][ T2241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.584741][ T2241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.584745][ T2241]  console_flush_one_record (kernel/printk/printk.c:3268)
[  117.584749][ T2241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  117.584751][ T2241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.584756][ T2241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  117.584759][ T2241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  117.584761][ T2241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.584763][ T2241]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  117.584766][ T2241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  117.584768][ T2241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  117.584771][ T2241]  vprintk_emit (kernel/printk/printk.c:2479)
[  117.584774][ T2241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  117.584776][ T2241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.584778][ T2241]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  117.584783][ T2241]  _printk (kernel/printk/printk.c:2504)
[  117.584787][ T2241]  ? snapshot_read.cold (user.c:?)
[  117.584788][ T2241]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  117.584794][ T2241]  ? idr_get_free (??:?)
[  117.584802][ T2241]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  117.584811][ T2241]  ? nla_get_range_signed (lib/nlattr.c:270)
[  117.584817][ T2241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.584819][ T2241]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  117.584823][ T2241]  __nla_validate_parse (lib/nlattr.c:635)
[  117.584828][ T2241]  __nla_parse (lib/nlattr.c:732)
[  117.584831][ T2241]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  117.584835][ T2241]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  117.584839][ T2241]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  117.584847][ T2241]  ? security_capable (security/security.c:660 (discriminator 11))
[  117.584851][ T2241]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  117.584854][ T2241]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  117.584857][ T2241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  117.584859][ T2241]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  117.584867][ T2241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.584872][ T2241]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  117.584875][ T2241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  117.584877][ T2241]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  117.584881][ T2241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  117.584888][ T2241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  117.584890][ T2241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  117.584893][ T2241]  genl_rcv (net/netlink/genetlink.c:1218)
[  117.584896][ T2241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.584899][ T2241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  117.584903][ T2241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.584906][ T2241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  117.584910][ T2241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  117.584912][ T2241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  117.584915][ T2241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.584925][ T2241]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  117.584927][ T2241]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  117.584931][ T2241]  __sys_sendto (net/socket.c:2281)
[  117.584934][ T2241]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  117.584945][ T2241]  ? fput_close_sync (fs/file_table.c:617)
[  117.584948][ T2241]  ? alloc_file_clone (fs/file_table.c:479)
[  117.584952][ T2241]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  117.584954][ T2241]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.584958][ T2241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  117.584961][ T2241]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  117.584963][ T2241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.584965][ T2241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  117.584968][ T2241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.584970][ T2241] RIP: 0033:0x7f166451e312
[  117.584973][ T2241] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  117.584975][ T2241] RSP: 002b:00007ffcf1124178 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  117.584977][ T2241] RAX: ffffffffffffffda RBX: 00007ffcf11242a8 RCX: 00007f166451e312
[  117.584979][ T2241] RDX: 0000000000000048 RSI: 00007f16600f2ce0 RDI: 0000000000000020
[  117.584980][ T2241] RBP: 00007ffcf11241a0 R08: 00007ffcf1124320 R09: 000000000000000c
[  117.584981][ T2241] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f166237e0b0
[  117.584982][ T2241] R13: 00007ffcf11242a8 R14: 00007f1663e3d01a R15: 00007ffcf1124698
| [  118.893335][ T2290] softirqs last disabled at (354074): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  118.893337][ T2290] Preemption disabled at:
| [  118.893338][ T2290] vprintk_emit (kernel/printk/printk.c:2471)
| [  118.893346][ T2290] Tainted: [W]=WARN
[  118.893347][ T2290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.893349][ T2290] Call Trace:
[  118.893350][ T2290]  <TASK>
[  118.893352][ T2290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.893358][ T2290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  118.893360][ T2290]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.893365][ T2290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.893369][ T2290]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  118.893373][ T2290]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  118.893375][ T2290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.893382][ T2290]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  118.893385][ T2290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.893388][ T2290]  put_chars (drivers/char/virtio_console.c:1176)
[  118.893391][ T2290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.893394][ T2290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  118.893397][ T2290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  118.893401][ T2290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.893406][ T2290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.893408][ T2290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.893412][ T2290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.893416][ T2290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.893418][ T2290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.893423][ T2290]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.893427][ T2290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.893428][ T2290]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  118.893432][ T2290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.893434][ T2290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.893438][ T2290]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.893442][ T2290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.893444][ T2290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.893449][ T2290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.893452][ T2290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.893454][ T2290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.893455][ T2290]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  118.893459][ T2290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.893461][ T2290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.893464][ T2290]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.893467][ T2290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.893472][ T2290]  _printk (kernel/printk/printk.c:2504)
[  118.893476][ T2290]  ? snapshot_read.cold (user.c:?)
[  118.893479][ T2290]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  118.893482][ T2290]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  118.893486][ T2290]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  118.893488][ T2290]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  118.893491][ T2290]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  118.893495][ T2290]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  118.893498][ T2290]  ? netdev_notice (net/core/dev.c:13194)
[  118.893500][ T2290]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  118.893509][ T2290]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  118.893511][ T2290]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  118.893515][ T2290]  netif_set_promiscuity (net/core/dev.c:9699)
[  118.893519][ T2290]  dev_set_promiscuity (net/core/dev_api.c:288)
[  118.893521][ T2290]  ? dev_disable_lro (net/core/dev_api.c:267)
[  118.893523][ T2290] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  118.893528][ T2290] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  118.893533][ T2290] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  118.893537][ T2290]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  118.893542][ T2290] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  118.893548][ T2290]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  118.893551][ T2290]  ? __nla_validate_parse (lib/nlattr.c:635)
[  118.893557][ T2290]  ? __nla_parse (lib/nlattr.c:732)
[  118.893560][ T2290]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  118.893565][ T2290]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  118.893568][ T2290]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  118.893577][ T2290]  ? security_capable (security/security.c:660 (discriminator 11))
[  118.893581][ T2290]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  118.893585][ T2290]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  118.893588][ T2290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  118.893590][ T2290]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  118.893594][ T2290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.893600][ T2290]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  118.893603][ T2290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.893605][ T2290]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  118.893609][ T2290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.893616][ T2290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  118.893618][ T2290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  118.893622][ T2290]  genl_rcv (net/netlink/genetlink.c:1218)
[  118.893624][ T2290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.893628][ T2290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.893632][ T2290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.893635][ T2290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.893639][ T2290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  118.893641][ T2290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  118.893644][ T2290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.893649][ T2290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  118.893652][ T2290]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  118.893655][ T2290]  __sys_sendto (net/socket.c:2281)
[  118.893659][ T2290]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  118.893669][ T2290]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  118.893676][ T2290]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  118.893678][ T2290]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  118.893682][ T2290]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  118.893683][ T2290]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  118.893686][ T2290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.893688][ T2290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  118.893690][ T2290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.893693][ T2290] RIP: 0033:0x7fafe785f312
[  118.893696][ T2290] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  118.893698][ T2290] RSP: 002b:00007ffcd7fc7ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  118.893701][ T2290] RAX: ffffffffffffffda RBX: 00007ffcd7fc7c18 RCX: 00007fafe785f312
[  118.893702][ T2290] RDX: 0000000000000030 RSI: 00007fafe449b570 RDI: 0000000000000023
[  118.893703][ T2290] RBP: 00007ffcd7fc7b10 R08: 00007ffcd7fc7c90 R09: 000000000000000c
[  118.893704][ T2290] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fafe56c2190
[  118.893705][ T2290] R13: 00007ffcd7fc7c18 R14: 00007fafe717e01a R15: 00007ffcd7fc8008
| [  120.076596][ T2328] softirqs last disabled at (383368): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  120.076598][ T2328] Preemption disabled at:
| [  120.076598][ T2328] vprintk_emit (kernel/printk/printk.c:2471)
| [  120.076607][ T2328] Tainted: [W]=WARN
[  120.076608][ T2328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  120.076610][ T2328] Call Trace:
[  120.076611][ T2328]  <TASK>
[  120.076613][ T2328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  120.076619][ T2328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  120.076621][ T2328]  __might_resched.cold (kernel/sched/core.c:9234)
[  120.076625][ T2328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  120.076629][ T2328]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  120.076634][ T2328]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  120.076636][ T2328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.076643][ T2328]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  120.076645][ T2328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.076649][ T2328]  put_chars (drivers/char/virtio_console.c:1176)
[  120.076652][ T2328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  120.076655][ T2328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  120.076658][ T2328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  120.076663][ T2328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  120.076667][ T2328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  120.076669][ T2328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  120.076673][ T2328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  120.076677][ T2328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.076679][ T2328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.076683][ T2328]  console_emit_next_record (kernel/printk/printk.c:3183)
[  120.076688][ T2328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  120.076689][ T2328]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  120.076693][ T2328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.076695][ T2328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.076699][ T2328]  console_flush_one_record (kernel/printk/printk.c:3268)
[  120.076703][ T2328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  120.076705][ T2328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  120.076711][ T2328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  120.076714][ T2328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  120.076716][ T2328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.076717][ T2328]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  120.076721][ T2328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  120.076723][ T2328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  120.076726][ T2328]  vprintk_emit (kernel/printk/printk.c:2479)
[  120.076729][ T2328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  120.076735][ T2328]  _printk (kernel/printk/printk.c:2504)
[  120.076739][ T2328]  ? snapshot_read.cold (user.c:?)
[  120.076742][ T2328]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  120.076745][ T2328]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  120.076749][ T2328]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  120.076751][ T2328]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  120.076754][ T2328]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  120.076758][ T2328]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  120.076761][ T2328]  ? netdev_notice (net/core/dev.c:13194)
[  120.076763][ T2328]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  120.076772][ T2328]  ? 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)
[  120.076774][ T2328]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  120.076778][ T2328]  netif_set_promiscuity (net/core/dev.c:9699)
[  120.076782][ T2328]  dev_set_promiscuity (net/core/dev_api.c:288)
[  120.076784][ T2328]  ? dev_disable_lro (net/core/dev_api.c:267)
[  120.076786][ T2328] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  120.076792][ T2328] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  120.076796][ T2328] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  120.076804][ T2328]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  120.076808][ T2328] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  120.076814][ T2328]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  120.076817][ T2328]  ? __nla_validate_parse (lib/nlattr.c:635)
[  120.076824][ T2328]  ? __nla_parse (lib/nlattr.c:732)
[  120.076826][ T2328]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  120.076831][ T2328]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  120.076835][ T2328]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  120.076843][ T2328]  ? security_capable (security/security.c:660 (discriminator 11))
[  120.076847][ T2328]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  120.076851][ T2328]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  120.076853][ T2328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  120.076855][ T2328]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  120.076860][ T2328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  120.076865][ T2328]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  120.076868][ T2328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  120.076871][ T2328]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  120.076874][ T2328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  120.076881][ T2328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  120.076883][ T2328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  120.076887][ T2328]  genl_rcv (net/netlink/genetlink.c:1218)
[  120.076889][ T2328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  120.076894][ T2328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  120.076897][ T2328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  120.076901][ T2328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  120.076905][ T2328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  120.076907][ T2328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  120.076910][ T2328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  120.076915][ T2328]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  120.076917][ T2328]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  120.076921][ T2328]  __sys_sendto (net/socket.c:2281)
[  120.076924][ T2328]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  120.076939][ T2328]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  120.076946][ T2328]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  120.076948][ T2328]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  120.076952][ T2328]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  120.076954][ T2328]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  120.076956][ T2328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  120.076958][ T2328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  120.076961][ T2328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  120.076963][ T2328] RIP: 0033:0x7f7522dc1312
[  120.076967][ T2328] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  120.076969][ T2328] RSP: 002b:00007fff9d97be48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  120.076971][ T2328] RAX: ffffffffffffffda RBX: 00007fff9d97bf78 RCX: 00007f7522dc1312
[  120.076973][ T2328] RDX: 0000000000000030 RSI: 00007f75201e8b70 RDI: 0000000000000023
[  120.076974][ T2328] RBP: 00007fff9d97be70 R08: 00007fff9d97bff0 R09: 000000000000000c
[  120.076975][ T2328] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7520c1a270
[  120.076976][ T2328] R13: 00007fff9d97bf78 R14: 00007f75226e001a R15: 00007fff9d97c368
| [  144.080552][ T2499] softirqs last disabled at (19450): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  144.080554][ T2499] Preemption disabled at:
| [  144.080555][ T2499] vprintk_emit (kernel/printk/printk.c:2471)
| [  144.080564][ T2499] Tainted: [W]=WARN
[  144.080565][ T2499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  144.080567][ T2499] Call Trace:
[  144.080568][ T2499]  <TASK>
[  144.080570][ T2499]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  144.080576][ T2499]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  144.080578][ T2499]  __might_resched.cold (kernel/sched/core.c:9234)
[  144.080583][ T2499]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  144.080587][ T2499]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  144.080591][ T2499]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  144.080593][ T2499]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  144.080599][ T2499]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  144.080602][ T2499]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  144.080606][ T2499]  put_chars (drivers/char/virtio_console.c:1176)
[  144.080608][ T2499]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  144.080610][ T2499]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  144.080613][ T2499]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  144.080616][ T2499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  144.080619][ T2499]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  144.080623][ T2499]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  144.080627][ T2499]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  144.080629][ T2499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.080631][ T2499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.080635][ T2499]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  144.080638][ T2499]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  144.080641][ T2499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.080643][ T2499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  144.080647][ T2499]  console_emit_next_record (kernel/printk/printk.c:3183)
[  144.080651][ T2499]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  144.080653][ T2499]  ? 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))
[  144.080656][ T2499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.080658][ T2499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  144.080662][ T2499]  console_flush_one_record (kernel/printk/printk.c:3268)
[  144.080666][ T2499]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  144.080668][ T2499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.080673][ T2499]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  144.080676][ T2499]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  144.080678][ T2499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.080680][ T2499]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  144.080683][ T2499]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  144.080685][ T2499]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  144.080688][ T2499]  vprintk_emit (kernel/printk/printk.c:2479)
[  144.080691][ T2499]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  144.080693][ T2499]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  144.080697][ T2499]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  144.080705][ T2499]  _printk (kernel/printk/printk.c:2504)
[  144.080709][ T2499]  ? snapshot_read.cold (user.c:?)
[  144.080714][ T2499]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  144.080717][ T2499]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  144.080721][ T2499]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  144.080724][ T2499]  ? netdev_notice (net/core/dev.c:13194)
[  144.080725][ T2499]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  144.080730][ T2499]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  144.080735][ T2499]  ? 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)
[  144.080737][ T2499]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  144.080741][ T2499]  netif_set_promiscuity (net/core/dev.c:9699)
[  144.080745][ T2499]  dev_set_promiscuity (net/core/dev_api.c:288)
[  144.080747][ T2499]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  144.080750][ T2499] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  144.080756][ T2499] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  144.080761][ T2499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.080763][ T2499]  notifier_call_chain (kernel/notifier.c:85)
[  144.080769][ T2499]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  144.080774][ T2499]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  144.080782][ T2499]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  144.080783][ T2499]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  144.080785][ T2499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.080787][ T2499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.080789][ T2499]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  144.080812][ T2499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  144.080814][ T2499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  144.080817][ T2499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  144.080819][ T2499]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  144.080821][ T2499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.080826][ T2499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  144.080828][ T2499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  144.080830][ T2499]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  144.080832][ T2499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  144.080835][ T2499]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  144.080837][ T2499]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  144.080840][ T2499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  144.080842][ T2499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.080846][ T2499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  144.080848][ T2499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  144.080852][ T2499]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  144.080855][ T2499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  144.080858][ T2499]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  144.080864][ T2499]  ? 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))
[  144.080866][ T2499]  ? 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))
[  144.080870][ T2499]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  144.080874][ T2499]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  144.080877][ T2499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  144.080881][ T2499]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  144.080885][ T2499]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  144.080889][ T2499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  144.080890][ T2499]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  144.080896][ T2499]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  144.080900][ T2499]  ____sys_sendmsg (net/socket.c:2713)
[  144.080902][ T2499]  ? copy_msghdr_from_user (net/socket.c:2650)
[  144.080904][ T2499]  ? sock_write_iter (net/socket.c:1269)
[  144.080906][ T2499]  ? move_addr_to_kernel (net/socket.c:258)
[  144.080913][ T2499]  ___sys_sendmsg (net/socket.c:2767)
[  144.080916][ T2499]  ? copy_msghdr_from_user (net/socket.c:2619)
[  144.080931][ T2499]  __sys_sendmsg (net/socket.c:2799)
[  144.080934][ T2499]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  144.080940][ T2499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.080943][ T2499]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  144.080947][ T2499]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  144.080950][ T2499]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  144.080952][ T2499] RIP: 0033:0x7fe7c7f5c54e
[  144.080956][ T2499] 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
[  144.080958][ T2499] RSP: 002b:00007ffd5b1f6880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  144.080960][ T2499] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe7c7f5c54e
[  144.080962][ T2499] RDX: 0000000000000000 RSI: 00007ffd5b1f6930 RDI: 0000000000000005
[  144.080963][ T2499] RBP: 00007ffd5b1f6890 R08: 0000000000000000 R09: 0000000000000000
[  144.080964][ T2499] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913f15
[  144.080965][ T2499] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5b1f6ff0
| [  146.957078][ T2556] softirqs last disabled at (390972): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  146.957080][ T2556] Preemption disabled at:
| [  146.957081][ T2556] vprintk_emit (kernel/printk/printk.c:2471)
| [  146.957090][ T2556] Tainted: [W]=WARN
[  146.957091][ T2556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  146.957092][ T2556] Call Trace:
[  146.957094][ T2556]  <TASK>
[  146.957096][ T2556]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  146.957102][ T2556]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  146.957103][ T2556]  __might_resched.cold (kernel/sched/core.c:9234)
[  146.957108][ T2556]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  146.957112][ T2556]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  146.957116][ 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))
[  146.957118][ T2556]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  146.957125][ 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)
[  146.957128][ T2556]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  146.957131][ T2556]  put_chars (drivers/char/virtio_console.c:1176)
[  146.957134][ T2556]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  146.957136][ T2556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  146.957139][ T2556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  146.957142][ T2556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  146.957146][ T2556]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  146.957150][ T2556]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  146.957152][ T2556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.957154][ T2556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.957158][ T2556]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  146.957160][ T2556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  146.957164][ T2556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.957168][ T2556]  console_emit_next_record (kernel/printk/printk.c:3183)
[  146.957172][ T2556]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  146.957174][ T2556]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  146.957177][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.957179][ T2556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.957183][ T2556]  console_flush_one_record (kernel/printk/printk.c:3268)
[  146.957187][ T2556]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  146.957189][ T2556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.957194][ T2556]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  146.957197][ T2556]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  146.957199][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.957200][ 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)
[  146.957204][ T2556]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  146.957206][ T2556]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  146.957208][ T2556]  vprintk_emit (kernel/printk/printk.c:2479)
[  146.957211][ T2556]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  146.957214][ T2556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  146.957215][ T2556]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  146.957220][ T2556]  _printk (kernel/printk/printk.c:2504)
[  146.957223][ T2556]  ? snapshot_read.cold (user.c:?)
[  146.957225][ T2556]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  146.957231][ T2556]  ? idr_get_free (??:?)
[  146.957236][ T2556]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  146.957244][ T2556]  ? nla_get_range_signed (lib/nlattr.c:270)
[  146.957250][ T2556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.957252][ T2556]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  146.957256][ T2556]  __nla_validate_parse (lib/nlattr.c:635)
[  146.957261][ T2556]  __nla_parse (lib/nlattr.c:732)
[  146.957264][ T2556]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  146.957269][ T2556]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  146.957272][ T2556]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  146.957280][ T2556]  ? security_capable (security/security.c:660 (discriminator 11))
[  146.957284][ T2556]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  146.957288][ T2556]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  146.957290][ T2556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  146.957293][ T2556]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  146.957300][ T2556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.957306][ T2556]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  146.957309][ T2556]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  146.957311][ T2556]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  146.957314][ T2556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  146.957321][ T2556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  146.957324][ T2556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  146.957327][ T2556]  genl_rcv (net/netlink/genetlink.c:1218)
[  146.957330][ T2556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  146.957334][ T2556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  146.957337][ T2556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.957341][ T2556]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  146.957345][ T2556]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  146.957346][ T2556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  146.957349][ T2556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  146.957354][ T2556]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  146.957357][ T2556]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  146.957361][ T2556]  __sys_sendto (net/socket.c:2281)
[  146.957364][ T2556]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  146.957374][ T2556]  ? fput_close_sync (fs/file_table.c:617)
[  146.957378][ T2556]  ? alloc_file_clone (fs/file_table.c:479)
[  146.957382][ T2556]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  146.957384][ T2556]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  146.957388][ T2556]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  146.957390][ T2556]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  146.957393][ T2556]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  146.957394][ T2556]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  146.957397][ T2556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  146.957399][ T2556] RIP: 0033:0x7f82abd2d312
[  146.957403][ 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)
[  146.957405][ T2556] RSP: 002b:00007ffc1691b228 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  146.957408][ T2556] RAX: ffffffffffffffda RBX: 00007ffc1691b358 RCX: 00007f82abd2d312
[  146.957409][ T2556] RDX: 0000000000000044 RSI: 00007f82a80f2e20 RDI: 0000000000000020
[  146.957410][ T2556] RBP: 00007ffc1691b250 R08: 00007ffc1691b3d0 R09: 000000000000000c
[  146.957411][ T2556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f82a9b86120
[  146.957412][ T2556] R13: 00007ffc1691b358 R14: 00007f82ab64c01a R15: 00007ffc1691b748
| [  148.318132][ T2613] softirqs last disabled at (391438): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  148.318134][ T2613] Preemption disabled at:
| [  148.318135][ T2613] vprintk_emit (kernel/printk/printk.c:2471)
| [  148.318144][ T2613] Tainted: [W]=WARN
[  148.318145][ T2613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.318147][ T2613] Call Trace:
[  148.318148][ T2613]  <TASK>
[  148.318150][ T2613]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  148.318156][ T2613]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  148.318158][ T2613]  __might_resched.cold (kernel/sched/core.c:9234)
[  148.318162][ T2613]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.318167][ T2613]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  148.318172][ T2613]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  148.318173][ T2613]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.318180][ T2613]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  148.318184][ T2613]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.318187][ T2613]  put_chars (drivers/char/virtio_console.c:1176)
[  148.318190][ T2613]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  148.318194][ T2613]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  148.318197][ T2613]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  148.318202][ T2613]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  148.318206][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.318208][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.318213][ T2613]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  148.318217][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.318219][ T2613]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.318224][ T2613]  console_emit_next_record (kernel/printk/printk.c:3183)
[  148.318228][ T2613]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  148.318230][ T2613]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  148.318233][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.318235][ T2613]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.318240][ T2613]  console_flush_one_record (kernel/printk/printk.c:3268)
[  148.318244][ T2613]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  148.318246][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.318252][ T2613]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  148.318255][ T2613]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  148.318257][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.318259][ T2613]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  148.318263][ T2613]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  148.318265][ T2613]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  148.318268][ T2613]  vprintk_emit (kernel/printk/printk.c:2479)
[  148.318272][ T2613]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  148.318277][ T2613]  _printk (kernel/printk/printk.c:2504)
[  148.318281][ T2613]  ? snapshot_read.cold (user.c:?)
[  148.318284][ T2613]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  148.318288][ T2613]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  148.318292][ T2613]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  148.318294][ T2613]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  148.318298][ T2613]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  148.318302][ T2613]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  148.318305][ T2613]  ? netdev_notice (net/core/dev.c:13194)
[  148.318307][ T2613]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  148.318316][ T2613]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  148.318319][ T2613]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  148.318323][ T2613]  netif_set_promiscuity (net/core/dev.c:9699)
[  148.318327][ T2613]  dev_set_promiscuity (net/core/dev_api.c:288)
[  148.318329][ T2613]  ? dev_disable_lro (net/core/dev_api.c:267)
[  148.318331][ T2613] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  148.318337][ T2613] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  148.318342][ T2613] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  148.318347][ T2613]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  148.318352][ T2613] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  148.318358][ T2613]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  148.318361][ T2613]  ? __nla_validate_parse (lib/nlattr.c:635)
[  148.318368][ T2613]  ? __nla_parse (lib/nlattr.c:732)
[  148.318371][ T2613]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  148.318376][ T2613]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  148.318380][ T2613]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  148.318389][ T2613]  ? security_capable (security/security.c:660 (discriminator 11))
[  148.318393][ T2613]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  148.318397][ T2613]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  148.318400][ T2613]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  148.318402][ T2613]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  148.318406][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.318413][ T2613]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  148.318416][ T2613]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  148.318418][ T2613]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  148.318422][ T2613]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  148.318430][ T2613]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  148.318432][ T2613]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  148.318436][ T2613]  genl_rcv (net/netlink/genetlink.c:1218)
[  148.318438][ T2613]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  148.318443][ T2613]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  148.318445][ T2613]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  148.318450][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.318454][ T2613]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  148.318458][ T2613]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  148.318460][ T2613]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  148.318464][ T2613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  148.318469][ T2613]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  148.318472][ T2613]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  148.318476][ T2613]  __sys_sendto (net/socket.c:2281)
[  148.318479][ T2613]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  148.318491][ T2613]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  148.318497][ T2613]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  148.318500][ T2613]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  148.318504][ T2613]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  148.318506][ T2613]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  148.318508][ T2613]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  148.318511][ T2613]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  148.318513][ T2613]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  148.318515][ T2613] RIP: 0033:0x7f6906c8a312
[  148.318519][ T2613] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  148.318521][ T2613] RSP: 002b:00007ffe60ef9528 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  148.318524][ T2613] RAX: ffffffffffffffda RBX: 00007ffe60ef9658 RCX: 00007f6906c8a312
[  148.318525][ T2613] RDX: 0000000000000034 RSI: 00007f68fe7ac3f0 RDI: 0000000000000023
[  148.318526][ T2613] RBP: 00007ffe60ef9550 R08: 00007ffe60ef96d0 R09: 000000000000000c
[  148.318527][ T2613] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6904aea200
[  148.318528][ T2613] R13: 00007ffe60ef9658 R14: 00007f69065a901a R15: 00007ffe60ef9a48
| [  149.583623][ T2655] softirqs last disabled at (391316): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  149.583625][ T2655] Preemption disabled at:
| [  149.583626][ T2655] vprintk_emit (kernel/printk/printk.c:2471)
| [  149.583634][ T2655] Tainted: [W]=WARN
[  149.583635][ T2655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.583637][ T2655] Call Trace:
[  149.583638][ T2655]  <TASK>
[  149.583640][ T2655]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.583646][ T2655]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  149.583648][ T2655]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.583653][ T2655]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.583657][ T2655]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  149.583661][ T2655]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  149.583663][ T2655]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.583670][ T2655]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  149.583673][ T2655]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.583677][ T2655]  put_chars (drivers/char/virtio_console.c:1176)
[  149.583679][ T2655]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.583682][ T2655]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  149.583685][ T2655]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  149.583690][ T2655]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.583694][ T2655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.583696][ T2655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.583701][ T2655]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.583704][ T2655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.583707][ T2655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.583711][ T2655]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.583715][ T2655]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.583717][ T2655]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  149.583720][ T2655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.583722][ T2655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.583726][ T2655]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.583731][ T2655]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.583733][ T2655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.583738][ T2655]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.583741][ T2655]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.583743][ T2655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.583745][ T2655]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  149.583749][ T2655]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.583750][ T2655]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.583753][ T2655]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.583757][ T2655]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.583762][ T2655]  _printk (kernel/printk/printk.c:2504)
[  149.583766][ T2655]  ? snapshot_read.cold (user.c:?)
[  149.583769][ T2655]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  149.583772][ T2655]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  149.583776][ T2655]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  149.583778][ T2655]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  149.583781][ T2655]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  149.583785][ T2655]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  149.583788][ T2655]  ? netdev_notice (net/core/dev.c:13194)
[  149.583790][ T2655]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  149.583802][ T2655]  ? 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)
[  149.583805][ T2655]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  149.583808][ T2655]  netif_set_promiscuity (net/core/dev.c:9699)
[  149.583812][ T2655]  dev_set_promiscuity (net/core/dev_api.c:288)
[  149.583814][ T2655]  ? dev_disable_lro (net/core/dev_api.c:267)
[  149.583816][ T2655] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  149.583822][ T2655] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  149.583827][ T2655] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  149.583831][ T2655]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  149.583835][ T2655] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  149.583841][ T2655]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  149.583845][ T2655]  ? __nla_validate_parse (lib/nlattr.c:635)
[  149.583851][ T2655]  ? __nla_parse (lib/nlattr.c:732)
[  149.583854][ T2655]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  149.583859][ T2655]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  149.583862][ T2655]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  149.583871][ T2655]  ? security_capable (security/security.c:660 (discriminator 11))
[  149.583876][ T2655]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  149.583879][ T2655]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  149.583882][ T2655]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  149.583884][ T2655]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  149.583888][ T2655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.583894][ T2655]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  149.583898][ T2655]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  149.583900][ T2655]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  149.583903][ T2655]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  149.583911][ T2655]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  149.583913][ T2655]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  149.583917][ T2655]  genl_rcv (net/netlink/genetlink.c:1218)
[  149.583919][ T2655]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  149.583923][ T2655]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  149.583927][ T2655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.583930][ T2655]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  149.583935][ T2655]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  149.583936][ T2655]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  149.583939][ T2655]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  149.583945][ T2655]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  149.583948][ T2655]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  149.583952][ T2655]  __sys_sendto (net/socket.c:2281)
[  149.583955][ T2655]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  149.583966][ T2655]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  149.583973][ T2655]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  149.583975][ T2655]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  149.583979][ T2655]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  149.583980][ T2655]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  149.583983][ T2655]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  149.583985][ T2655]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  149.583988][ T2655]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.583990][ T2655] RIP: 0033:0x7fe236322312
[  149.583994][ T2655] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  149.583995][ T2655] RSP: 002b:00007ffc0972df78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  149.583998][ T2655] RAX: ffffffffffffffda RBX: 00007ffc0972e0a8 RCX: 00007fe236322312
[  149.583999][ T2655] RDX: 0000000000000034 RSI: 00007fe231f5a570 RDI: 0000000000000023
[  149.584000][ T2655] RBP: 00007ffc0972dfa0 R08: 00007ffc0972e120 R09: 000000000000000c
[  149.584001][ T2655] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe2341822e0
[  149.584002][ T2655] R13: 00007ffc0972e0a8 R14: 00007fe235c4101a R15: 00007ffc0972e498
| [  163.792747][ T2838] softirqs last disabled at (27102): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  163.792750][ T2838] Preemption disabled at:
| [  163.792750][ T2838] vprintk_emit (kernel/printk/printk.c:2471)
| [  163.792759][ T2838] Tainted: [W]=WARN
[  163.792760][ T2838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  163.792761][ T2838] Call Trace:
[  163.792763][ T2838]  <TASK>
[  163.792764][ T2838]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  163.792770][ T2838]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  163.792772][ T2838]  __might_resched.cold (kernel/sched/core.c:9234)
[  163.792776][ T2838]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  163.792781][ T2838]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  163.792785][ T2838]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  163.792787][ T2838]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.792794][ T2838]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  163.792797][ T2838]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.792804][ T2838]  put_chars (drivers/char/virtio_console.c:1176)
[  163.792805][ T2838]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  163.792808][ T2838]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  163.792810][ T2838]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  163.792813][ T2838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  163.792816][ T2838]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  163.792820][ T2838]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  163.792825][ T2838]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  163.792826][ T2838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  163.792828][ T2838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  163.792832][ T2838]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  163.792835][ T2838]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  163.792838][ T2838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.792840][ T2838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.792844][ T2838]  console_emit_next_record (kernel/printk/printk.c:3183)
[  163.792848][ T2838]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  163.792850][ T2838]  ? 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))
[  163.792853][ T2838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.792855][ T2838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.792859][ T2838]  console_flush_one_record (kernel/printk/printk.c:3268)
[  163.792863][ T2838]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  163.792865][ T2838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  163.792870][ T2838]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  163.792873][ T2838]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  163.792875][ T2838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.792877][ T2838]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  163.792881][ T2838]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  163.792883][ T2838]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  163.792885][ T2838]  vprintk_emit (kernel/printk/printk.c:2479)
[  163.792889][ T2838]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  163.792891][ T2838]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  163.792894][ T2838]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  163.792903][ T2838]  _printk (kernel/printk/printk.c:2504)
[  163.792907][ T2838]  ? snapshot_read.cold (user.c:?)
[  163.792911][ T2838]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  163.792915][ T2838]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  163.792919][ T2838]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  163.792922][ T2838]  ? netdev_notice (net/core/dev.c:13194)
[  163.792923][ T2838]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  163.792928][ T2838]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  163.792933][ T2838]  ? 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)
[  163.792935][ T2838]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  163.792939][ T2838]  netif_set_promiscuity (net/core/dev.c:9699)
[  163.792942][ T2838]  dev_set_promiscuity (net/core/dev_api.c:288)
[  163.792944][ T2838]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  163.792947][ T2838] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  163.792954][ T2838] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  163.792958][ T2838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.792961][ T2838]  notifier_call_chain (kernel/notifier.c:85)
[  163.792966][ T2838]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  163.792971][ T2838]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  163.792978][ T2838]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  163.792980][ T2838]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  163.792982][ T2838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  163.792983][ T2838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  163.792986][ T2838]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  163.793006][ T2838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  163.793008][ T2838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  163.793011][ T2838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  163.793013][ T2838]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  163.793015][ T2838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  163.793020][ T2838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  163.793022][ T2838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  163.793024][ T2838]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  163.793026][ T2838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  163.793030][ T2838]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  163.793032][ T2838]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  163.793036][ T2838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  163.793037][ T2838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  163.793041][ T2838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  163.793043][ T2838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  163.793047][ T2838]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  163.793050][ T2838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  163.793053][ T2838]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  163.793059][ T2838]  ? 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))
[  163.793061][ T2838]  ? 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))
[  163.793066][ T2838]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  163.793069][ T2838]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  163.793072][ T2838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  163.793076][ T2838]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  163.793080][ T2838]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  163.793084][ T2838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  163.793085][ T2838]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  163.793091][ T2838]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  163.793095][ T2838]  ____sys_sendmsg (net/socket.c:2713)
[  163.793097][ T2838]  ? copy_msghdr_from_user (net/socket.c:2650)
[  163.793100][ T2838]  ? sock_write_iter (net/socket.c:1269)
[  163.793101][ T2838]  ? move_addr_to_kernel (net/socket.c:258)
[  163.793108][ T2838]  ___sys_sendmsg (net/socket.c:2767)
[  163.793111][ T2838]  ? copy_msghdr_from_user (net/socket.c:2619)
[  163.793131][ T2838]  __sys_sendmsg (net/socket.c:2799)
[  163.793134][ T2838]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  163.793140][ T2838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.793143][ T2838]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  163.793147][ T2838]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  163.793150][ T2838]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  163.793152][ T2838] RIP: 0033:0x7f84fe70c54e
[  163.793156][ T2838] 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
[  163.793157][ T2838] RSP: 002b:00007ffeb52fff60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  163.793160][ T2838] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f84fe70c54e
[  163.793161][ T2838] RDX: 0000000000000000 RSI: 00007ffeb5300010 RDI: 0000000000000005
[  163.793162][ T2838] RBP: 00007ffeb52fff70 R08: 0000000000000000 R09: 0000000000000000
[  163.793163][ T2838] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913f29
[  163.793164][ T2838] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb53006d0
| [  166.679173][ T2895] softirqs last disabled at (384416): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  166.679175][ T2895] Preemption disabled at:
| [  166.679176][ T2895] vprintk_emit (kernel/printk/printk.c:2471)
| [  166.679185][ T2895] Tainted: [W]=WARN
[  166.679186][ T2895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  166.679187][ T2895] Call Trace:
[  166.679189][ T2895]  <TASK>
[  166.679191][ T2895]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  166.679197][ T2895]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  166.679198][ T2895]  __might_resched.cold (kernel/sched/core.c:9234)
[  166.679203][ T2895]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  166.679207][ T2895]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  166.679211][ T2895]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  166.679213][ T2895]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  166.679219][ T2895]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  166.679222][ T2895]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  166.679226][ T2895]  put_chars (drivers/char/virtio_console.c:1176)
[  166.679228][ T2895]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  166.679231][ T2895]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  166.679234][ T2895]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  166.679237][ T2895]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  166.679241][ T2895]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  166.679245][ T2895]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  166.679247][ T2895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  166.679249][ T2895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  166.679253][ T2895]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  166.679254][ T2895]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  166.679259][ T2895]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.679263][ T2895]  console_emit_next_record (kernel/printk/printk.c:3183)
[  166.679267][ T2895]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  166.679269][ T2895]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  166.679272][ T2895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.679274][ T2895]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  166.679278][ T2895]  console_flush_one_record (kernel/printk/printk.c:3268)
[  166.679282][ T2895]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  166.679284][ T2895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  166.679289][ T2895]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  166.679292][ T2895]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  166.679294][ T2895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.679296][ T2895]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  166.679299][ T2895]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  166.679301][ T2895]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  166.679304][ T2895]  vprintk_emit (kernel/printk/printk.c:2479)
[  166.679307][ T2895]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  166.679309][ T2895]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  166.679311][ T2895]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  166.679315][ T2895]  _printk (kernel/printk/printk.c:2504)
[  166.679318][ T2895]  ? snapshot_read.cold (user.c:?)
[  166.679320][ T2895]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  166.679326][ T2895]  ? idr_get_free (??:?)
[  166.679331][ T2895]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  166.679339][ T2895]  ? nla_get_range_signed (lib/nlattr.c:270)
[  166.679345][ T2895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  166.679347][ T2895]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  166.679351][ T2895]  __nla_validate_parse (lib/nlattr.c:635)
[  166.679356][ T2895]  __nla_parse (lib/nlattr.c:732)
[  166.679359][ T2895]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  166.679364][ T2895]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  166.679367][ T2895]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  166.679375][ T2895]  ? security_capable (security/security.c:660 (discriminator 11))
[  166.679379][ T2895]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  166.679383][ T2895]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  166.679386][ T2895]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  166.679388][ T2895]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  166.679396][ T2895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  166.679401][ T2895]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  166.679404][ T2895]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  166.679406][ T2895]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  166.679410][ T2895]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  166.679417][ T2895]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  166.679419][ T2895]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  166.679423][ T2895]  genl_rcv (net/netlink/genetlink.c:1218)
[  166.679425][ T2895]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  166.679429][ T2895]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  166.679432][ T2895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  166.679436][ T2895]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  166.679440][ T2895]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  166.679441][ T2895]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  166.679444][ T2895]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  166.679449][ T2895]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  166.679452][ T2895]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  166.679456][ T2895]  __sys_sendto (net/socket.c:2281)
[  166.679459][ T2895]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  166.679469][ T2895]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  166.679475][ T2895]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  166.679477][ T2895]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  166.679481][ T2895]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  166.679482][ T2895]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  166.679484][ T2895]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  166.679486][ T2895]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  166.679489][ T2895]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  166.679491][ T2895] RIP: 0033:0x7f3e0e60b312
[  166.679494][ T2895] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  166.679496][ T2895] RSP: 002b:00007fffaaa275f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  166.679499][ T2895] RAX: ffffffffffffffda RBX: 00007fffaaa27728 RCX: 00007f3e0e60b312
[  166.679500][ T2895] RDX: 0000000000000044 RSI: 00007f3e0a1e2c90 RDI: 0000000000000020
[  166.679501][ T2895] RBP: 00007fffaaa27620 R08: 00007fffaaa277a0 R09: 000000000000000c
[  166.679502][ T2895] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e0c46e120
[  166.679503][ T2895] R13: 00007fffaaa27728 R14: 00007f3e0df2a01a R15: 00007fffaaa27b18
| [  167.943248][ T2944] softirqs last disabled at (383202): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  167.943250][ T2944] Preemption disabled at:
| [  167.943251][ T2944] vprintk_emit (kernel/printk/printk.c:2471)
| [  167.943260][ T2944] Tainted: [W]=WARN
[  167.943261][ T2944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  167.943262][ T2944] Call Trace:
[  167.943264][ T2944]  <TASK>
[  167.943265][ T2944]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  167.943272][ T2944]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  167.943273][ T2944]  __might_resched.cold (kernel/sched/core.c:9234)
[  167.943278][ T2944]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  167.943282][ T2944]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  167.943287][ T2944]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  167.943289][ T2944]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.943296][ T2944]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  167.943299][ T2944]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.943303][ T2944]  put_chars (drivers/char/virtio_console.c:1176)
[  167.943306][ T2944]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  167.943309][ T2944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  167.943312][ T2944]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  167.943317][ T2944]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  167.943321][ T2944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.943323][ T2944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.943328][ T2944]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  167.943332][ T2944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.943334][ T2944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.943339][ T2944]  console_emit_next_record (kernel/printk/printk.c:3183)
[  167.943343][ T2944]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  167.943345][ T2944]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  167.943348][ T2944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.943350][ T2944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.943354][ T2944]  console_flush_one_record (kernel/printk/printk.c:3268)
[  167.943359][ T2944]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  167.943361][ T2944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.943367][ T2944]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  167.943370][ T2944]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  167.943372][ T2944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.943374][ T2944]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  167.943378][ T2944]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  167.943380][ T2944]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  167.943383][ T2944]  vprintk_emit (kernel/printk/printk.c:2479)
[  167.943386][ T2944]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  167.943392][ T2944]  _printk (kernel/printk/printk.c:2504)
[  167.943396][ T2944]  ? snapshot_read.cold (user.c:?)
[  167.943399][ T2944]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  167.943402][ T2944]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  167.943406][ T2944]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  167.943408][ T2944]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  167.943412][ T2944]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  167.943416][ T2944]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  167.943419][ T2944]  ? netdev_notice (net/core/dev.c:13194)
[  167.943421][ T2944]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  167.943430][ T2944]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  167.943433][ T2944]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  167.943437][ T2944]  netif_set_promiscuity (net/core/dev.c:9699)
[  167.943441][ T2944]  dev_set_promiscuity (net/core/dev_api.c:288)
[  167.943443][ T2944]  ? dev_disable_lro (net/core/dev_api.c:267)
[  167.943445][ T2944] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  167.943451][ T2944] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  167.943456][ T2944] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  167.943461][ T2944]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  167.943465][ T2944] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  167.943471][ T2944]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  167.943475][ T2944]  ? __nla_validate_parse (lib/nlattr.c:635)
[  167.943481][ T2944]  ? __nla_parse (lib/nlattr.c:732)
[  167.943484][ T2944]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  167.943489][ T2944]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  167.943493][ T2944]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  167.943501][ T2944]  ? security_capable (security/security.c:660 (discriminator 11))
[  167.943506][ T2944]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  167.943510][ T2944]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  167.943513][ T2944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  167.943515][ T2944]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  167.943519][ T2944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.943525][ T2944]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  167.943529][ T2944]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  167.943531][ T2944]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  167.943535][ T2944]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  167.943542][ T2944]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  167.943544][ T2944]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  167.943548][ T2944]  genl_rcv (net/netlink/genetlink.c:1218)
[  167.943551][ T2944]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  167.943555][ T2944]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  167.943559][ T2944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.943563][ T2944]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  167.943567][ T2944]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  167.943569][ T2944]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  167.943572][ T2944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  167.943577][ T2944]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  167.943580][ T2944]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  167.943584][ T2944]  __sys_sendto (net/socket.c:2281)
[  167.943588][ T2944]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  167.943599][ T2944]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  167.943606][ T2944]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  167.943608][ T2944]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  167.943612][ T2944]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  167.943614][ T2944]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  167.943617][ T2944]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  167.943619][ T2944]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  167.943621][ T2944]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  167.943623][ T2944] RIP: 0033:0x7f43acb8e312
[  167.943627][ T2944] 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)
[  167.943629][ T2944] RSP: 002b:00007ffe1fd35798 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  167.943632][ T2944] RAX: ffffffffffffffda RBX: 00007ffe1fd358c8 RCX: 00007f43acb8e312
[  167.943633][ T2944] RDX: 0000000000000030 RSI: 00007f43a87ea0b0 RDI: 0000000000000023
[  167.943634][ T2944] RBP: 00007ffe1fd357c0 R08: 00007ffe1fd35940 R09: 000000000000000c
[  167.943635][ T2944] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f43aa9ee200
[  167.943636][ T2944] R13: 00007ffe1fd358c8 R14: 00007f43ac4ad01a R15: 00007ffe1fd35cb8
| [  169.119248][ T2982] softirqs last disabled at (385746): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  169.119250][ T2982] Preemption disabled at:
| [  169.119251][ T2982] vprintk_emit (kernel/printk/printk.c:2471)
| [  169.119260][ T2982] Tainted: [W]=WARN
[  169.119261][ T2982] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  169.119262][ T2982] Call Trace:
[  169.119264][ T2982]  <TASK>
[  169.119265][ T2982]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  169.119271][ T2982]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  169.119273][ T2982]  __might_resched.cold (kernel/sched/core.c:9234)
[  169.119278][ T2982]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  169.119282][ T2982]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  169.119286][ T2982]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  169.119288][ T2982]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.119295][ T2982]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  169.119297][ T2982]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.119301][ T2982]  put_chars (drivers/char/virtio_console.c:1176)
[  169.119304][ T2982]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  169.119307][ T2982]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  169.119310][ T2982]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  169.119314][ T2982]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  169.119319][ T2982]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  169.119320][ T2982]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  169.119325][ T2982]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  169.119329][ T2982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.119331][ T2982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.119335][ T2982]  console_emit_next_record (kernel/printk/printk.c:3183)
[  169.119339][ T2982]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  169.119341][ T2982]  ? 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))
[  169.119345][ T2982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.119347][ T2982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.119351][ T2982]  console_flush_one_record (kernel/printk/printk.c:3268)
[  169.119355][ T2982]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  169.119357][ T2982]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  169.119363][ T2982]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  169.119365][ T2982]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  169.119367][ T2982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.119369][ T2982]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  169.119373][ T2982]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  169.119375][ T2982]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  169.119377][ T2982]  vprintk_emit (kernel/printk/printk.c:2479)
[  169.119381][ T2982]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  169.119386][ T2982]  _printk (kernel/printk/printk.c:2504)
[  169.119390][ T2982]  ? snapshot_read.cold (user.c:?)
[  169.119392][ T2982]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  169.119396][ T2982]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  169.119400][ T2982]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  169.119402][ T2982]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  169.119405][ T2982]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  169.119409][ T2982]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  169.119412][ T2982]  ? netdev_notice (net/core/dev.c:13194)
[  169.119414][ T2982]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  169.119423][ T2982]  ? 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)
[  169.119425][ T2982]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  169.119429][ T2982]  netif_set_promiscuity (net/core/dev.c:9699)
[  169.119433][ T2982]  dev_set_promiscuity (net/core/dev_api.c:288)
[  169.119435][ T2982]  ? dev_disable_lro (net/core/dev_api.c:267)
[  169.119437][ T2982] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  169.119442][ T2982] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  169.119447][ T2982] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  169.119451][ T2982]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  169.119456][ T2982] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  169.119462][ T2982]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  169.119465][ T2982]  ? __nla_validate_parse (lib/nlattr.c:635)
[  169.119471][ T2982]  ? __nla_parse (lib/nlattr.c:732)
[  169.119473][ T2982]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  169.119478][ T2982]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  169.119482][ T2982]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  169.119490][ T2982]  ? security_capable (security/security.c:660 (discriminator 11))
[  169.119495][ T2982]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  169.119499][ T2982]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  169.119501][ T2982]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  169.119503][ T2982]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  169.119508][ T2982]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  169.119513][ T2982]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  169.119517][ T2982]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  169.119519][ T2982]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  169.119522][ T2982]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  169.119529][ T2982]  ? 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))
[  169.119531][ T2982]  ? 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))
[  169.119535][ T2982]  genl_rcv (net/netlink/genetlink.c:1218)
[  169.119538][ T2982]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  169.119542][ T2982]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  169.119545][ T2982]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  169.119549][ T2982]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  169.119553][ T2982]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  169.119555][ T2982]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  169.119558][ T2982]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  169.119563][ T2982]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  169.119566][ T2982]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  169.119570][ T2982]  __sys_sendto (net/socket.c:2281)
[  169.119573][ T2982]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  169.119584][ T2982]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  169.119590][ T2982]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  169.119593][ T2982]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  169.119596][ T2982]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  169.119598][ T2982]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  169.119601][ T2982]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  169.119603][ T2982]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  169.119605][ T2982]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  169.119608][ T2982] RIP: 0033:0x7f45ef519312
[  169.119611][ T2982] 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)
[  169.119613][ T2982] RSP: 002b:00007fff74a4c588 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  169.119616][ T2982] RAX: ffffffffffffffda RBX: 00007fff74a4c6b8 RCX: 00007f45ef519312
[  169.119617][ T2982] RDX: 0000000000000030 RSI: 00007f45ec13b370 RDI: 0000000000000023
[  169.119618][ T2982] RBP: 00007fff74a4c5b0 R08: 00007fff74a4c730 R09: 000000000000000c
[  169.119619][ T2982] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f45ed3722e0
[  169.119620][ T2982] R13: 00007fff74a4c6b8 R14: 00007f45eee3801a R15: 00007fff74a4caa8
| [  175.836671][ T3105] softirqs last disabled at (17998): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  175.836674][ T3105] Preemption disabled at:
| [  175.836674][ T3105] vprintk_emit (kernel/printk/printk.c:2471)
| [  175.836683][ T3105] Tainted: [W]=WARN
[  175.836684][ T3105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  175.836686][ T3105] Call Trace:
[  175.836687][ T3105]  <TASK>
[  175.836689][ T3105]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  175.836694][ T3105]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  175.836696][ T3105]  __might_resched.cold (kernel/sched/core.c:9234)
[  175.836700][ T3105]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  175.836705][ T3105]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  175.836709][ T3105]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  175.836711][ T3105]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  175.836718][ T3105]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  175.836721][ T3105]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  175.836724][ T3105]  put_chars (drivers/char/virtio_console.c:1176)
[  175.836726][ T3105]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  175.836728][ T3105]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  175.836731][ T3105]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  175.836734][ T3105]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  175.836737][ T3105]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  175.836741][ T3105]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  175.836746][ T3105]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  175.836748][ T3105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.836749][ T3105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.836753][ T3105]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  175.836756][ T3105]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  175.836759][ T3105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.836761][ T3105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.836765][ T3105]  console_emit_next_record (kernel/printk/printk.c:3183)
[  175.836769][ T3105]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  175.836771][ T3105]  ? 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))
[  175.836775][ T3105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.836776][ T3105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.836781][ T3105]  console_flush_one_record (kernel/printk/printk.c:3268)
[  175.836785][ T3105]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  175.836787][ T3105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.836792][ T3105]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  175.836795][ T3105]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  175.836797][ T3105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.836801][ T3105]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  175.836805][ T3105]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  175.836807][ T3105]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  175.836809][ T3105]  vprintk_emit (kernel/printk/printk.c:2479)
[  175.836813][ T3105]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  175.836815][ T3105]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  175.836818][ T3105]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  175.836827][ T3105]  _printk (kernel/printk/printk.c:2504)
[  175.836831][ T3105]  ? snapshot_read.cold (user.c:?)
[  175.836835][ T3105]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  175.836839][ T3105]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  175.836843][ T3105]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  175.836846][ T3105]  ? netdev_notice (net/core/dev.c:13194)
[  175.836848][ T3105]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  175.836852][ T3105]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  175.836857][ T3105]  ? 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)
[  175.836860][ T3105]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  175.836863][ T3105]  netif_set_promiscuity (net/core/dev.c:9699)
[  175.836867][ T3105]  dev_set_promiscuity (net/core/dev_api.c:288)
[  175.836869][ T3105]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  175.836872][ T3105] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  175.836878][ T3105] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  175.836883][ T3105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.836885][ T3105]  notifier_call_chain (kernel/notifier.c:85)
[  175.836891][ T3105]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  175.836896][ T3105]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  175.836903][ T3105]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  175.836904][ T3105]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  175.836906][ T3105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.836908][ T3105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.836910][ T3105]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  175.836931][ T3105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  175.836933][ T3105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  175.836936][ T3105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  175.836938][ T3105]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  175.836940][ T3105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.836945][ T3105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  175.836947][ T3105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  175.836949][ T3105]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  175.836950][ T3105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  175.836954][ T3105]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  175.836956][ T3105]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  175.836959][ T3105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  175.836961][ T3105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.836965][ T3105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  175.836967][ T3105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  175.836971][ T3105]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  175.836974][ T3105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  175.836977][ T3105]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  175.836983][ T3105]  ? 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))
[  175.836985][ T3105]  ? 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))
[  175.836989][ T3105]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  175.836993][ T3105]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  175.836996][ T3105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  175.837000][ T3105]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  175.837004][ T3105]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  175.837008][ T3105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  175.837009][ T3105]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  175.837015][ T3105]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  175.837019][ T3105]  ____sys_sendmsg (net/socket.c:2713)
[  175.837021][ T3105]  ? copy_msghdr_from_user (net/socket.c:2650)
[  175.837023][ T3105]  ? sock_write_iter (net/socket.c:1269)
[  175.837025][ T3105]  ? move_addr_to_kernel (net/socket.c:258)
[  175.837033][ T3105]  ___sys_sendmsg (net/socket.c:2767)
[  175.837036][ T3105]  ? copy_msghdr_from_user (net/socket.c:2619)
[  175.837051][ T3105]  __sys_sendmsg (net/socket.c:2799)
[  175.837054][ T3105]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  175.837060][ T3105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.837063][ T3105]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  175.837067][ T3105]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  175.837070][ T3105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  175.837072][ T3105] RIP: 0033:0x7fe73557b54e
[  175.837076][ T3105] 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
[  175.837078][ T3105] RSP: 002b:00007ffd9457ffc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  175.837080][ T3105] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe73557b54e
[  175.837082][ T3105] RDX: 0000000000000000 RSI: 00007ffd94580070 RDI: 0000000000000005
[  175.837083][ T3105] RBP: 00007ffd9457ffd0 R08: 0000000000000000 R09: 0000000000000000
[  175.837084][ T3105] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913f35
[  175.837084][ T3105] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd94580730
| [  178.710144][ T3162] softirqs last disabled at (378806): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  178.710147][ T3162] Preemption disabled at:
| [  178.710147][ T3162] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.710156][ T3162] Tainted: [W]=WARN
[  178.710157][ T3162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.710159][ T3162] Call Trace:
[  178.710160][ T3162]  <TASK>
[  178.710162][ T3162]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.710168][ T3162]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.710169][ T3162]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.710174][ T3162]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.710178][ T3162]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  178.710183][ T3162]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  178.710184][ T3162]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.710197][ T3162]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  178.710200][ T3162]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.710203][ T3162]  put_chars (drivers/char/virtio_console.c:1176)
[  178.710206][ T3162]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.710209][ T3162]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  178.710212][ T3162]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  178.710215][ T3162]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  178.710219][ T3162]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.710223][ T3162]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  178.710225][ T3162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.710226][ T3162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.710231][ T3162]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.710233][ T3162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  178.710237][ T3162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.710241][ T3162]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.710245][ T3162]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.710247][ T3162]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  178.710250][ T3162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.710252][ T3162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.710256][ T3162]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.710260][ T3162]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.710262][ T3162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.710267][ T3162]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.710270][ T3162]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.710272][ T3162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.710274][ T3162]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  178.710278][ T3162]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.710279][ T3162]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.710282][ T3162]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.710285][ T3162]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.710287][ T3162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  178.710289][ T3162]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  178.710294][ T3162]  _printk (kernel/printk/printk.c:2504)
[  178.710297][ T3162]  ? snapshot_read.cold (user.c:?)
[  178.710299][ T3162]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  178.710305][ T3162]  ? idr_get_free (??:?)
[  178.710309][ T3162]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  178.710318][ T3162]  ? nla_get_range_signed (lib/nlattr.c:270)
[  178.710324][ T3162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.710326][ T3162]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  178.710330][ T3162]  __nla_validate_parse (lib/nlattr.c:635)
[  178.710335][ T3162]  __nla_parse (lib/nlattr.c:732)
[  178.710338][ T3162]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  178.710343][ T3162]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  178.710347][ T3162]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  178.710355][ T3162]  ? security_capable (security/security.c:660 (discriminator 11))
[  178.710359][ T3162]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  178.710363][ T3162]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  178.710365][ T3162]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  178.710368][ T3162]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  178.710375][ T3162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.710381][ T3162]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  178.710384][ T3162]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  178.710386][ T3162]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  178.710390][ T3162]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  178.710397][ T3162]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  178.710399][ T3162]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  178.710403][ T3162]  genl_rcv (net/netlink/genetlink.c:1218)
[  178.710405][ T3162]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  178.710409][ T3162]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  178.710413][ T3162]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.710416][ T3162]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  178.710420][ T3162]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  178.710422][ T3162]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  178.710426][ T3162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  178.710430][ T3162]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  178.710433][ T3162]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  178.710437][ T3162]  __sys_sendto (net/socket.c:2281)
[  178.710440][ T3162]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  178.710451][ T3162]  ? fput_close_sync (fs/file_table.c:617)
[  178.710454][ T3162]  ? alloc_file_clone (fs/file_table.c:479)
[  178.710458][ T3162]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  178.710461][ T3162]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  178.710464][ T3162]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  178.710467][ T3162]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  178.710470][ T3162]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  178.710471][ T3162]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  178.710474][ T3162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  178.710476][ T3162] RIP: 0033:0x7f1d0b010312
[  178.710480][ T3162] 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)
[  178.710482][ T3162] RSP: 002b:00007ffda0966448 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  178.710485][ T3162] RAX: ffffffffffffffda RBX: 00007ffda0966578 RCX: 00007f1d0b010312
[  178.710486][ T3162] RDX: 0000000000000044 RSI: 00007f1d083eeec0 RDI: 0000000000000020
[  178.710487][ T3162] RBP: 00007ffda0966470 R08: 00007ffda09665f0 R09: 000000000000000c
[  178.710488][ T3162] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d08e7a120
[  178.710489][ T3162] R13: 00007ffda0966578 R14: 00007f1d0a92f01a R15: 00007ffda0966968
| [  179.908529][ T3215] softirqs last disabled at (385712): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  179.908531][ T3215] Preemption disabled at:
| [  179.908532][ T3215] vprintk_emit (kernel/printk/printk.c:2471)
| [  179.908540][ T3215] Tainted: [W]=WARN
[  179.908541][ T3215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  179.908543][ T3215] Call Trace:
[  179.908544][ T3215]  <TASK>
[  179.908546][ T3215]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  179.908552][ T3215]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  179.908554][ T3215]  __might_resched.cold (kernel/sched/core.c:9234)
[  179.908559][ T3215]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  179.908563][ T3215]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  179.908568][ T3215]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  179.908570][ T3215]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  179.908576][ T3215]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  179.908579][ T3215]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  179.908583][ T3215]  put_chars (drivers/char/virtio_console.c:1176)
[  179.908585][ T3215]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  179.908589][ T3215]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  179.908592][ T3215]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  179.908597][ T3215]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  179.908601][ T3215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  179.908603][ T3215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  179.908607][ T3215]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  179.908611][ T3215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.908613][ T3215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.908618][ T3215]  console_emit_next_record (kernel/printk/printk.c:3183)
[  179.908622][ T3215]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  179.908624][ T3215]  ? 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))
[  179.908627][ T3215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.908629][ T3215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.908633][ T3215]  console_flush_one_record (kernel/printk/printk.c:3268)
[  179.908637][ T3215]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  179.908639][ T3215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  179.908645][ T3215]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  179.908648][ T3215]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  179.908650][ T3215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.908652][ T3215]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  179.908655][ T3215]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  179.908657][ T3215]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  179.908660][ T3215]  vprintk_emit (kernel/printk/printk.c:2479)
[  179.908663][ T3215]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  179.908669][ T3215]  _printk (kernel/printk/printk.c:2504)
[  179.908673][ T3215]  ? snapshot_read.cold (user.c:?)
[  179.908676][ T3215]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  179.908679][ T3215]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  179.908683][ T3215]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  179.908685][ T3215]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  179.908689][ T3215]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  179.908693][ T3215]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  179.908695][ T3215]  ? netdev_notice (net/core/dev.c:13194)
[  179.908697][ T3215]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  179.908706][ T3215]  ? 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)
[  179.908708][ T3215]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  179.908712][ T3215]  netif_set_promiscuity (net/core/dev.c:9699)
[  179.908716][ T3215]  dev_set_promiscuity (net/core/dev_api.c:288)
[  179.908718][ T3215]  ? dev_disable_lro (net/core/dev_api.c:267)
[  179.908720][ T3215] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  179.908725][ T3215] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  179.908730][ T3215] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  179.908734][ T3215]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  179.908739][ T3215] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  179.908745][ T3215]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  179.908748][ T3215]  ? __nla_validate_parse (lib/nlattr.c:635)
[  179.908755][ T3215]  ? __nla_parse (lib/nlattr.c:732)
[  179.908757][ T3215]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  179.908762][ T3215]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  179.908766][ T3215]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  179.908774][ T3215]  ? security_capable (security/security.c:660 (discriminator 11))
[  179.908778][ T3215]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  179.908782][ T3215]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  179.908785][ T3215]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  179.908787][ T3215]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  179.908791][ T3215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  179.908797][ T3215]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  179.908804][ T3215]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  179.908806][ T3215]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  179.908809][ T3215]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  179.908817][ T3215]  ? 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))
[  179.908818][ T3215]  ? 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))
[  179.908822][ T3215]  genl_rcv (net/netlink/genetlink.c:1218)
[  179.908825][ T3215]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  179.908829][ T3215]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  179.908832][ T3215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  179.908836][ T3215]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  179.908840][ T3215]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  179.908842][ T3215]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  179.908845][ T3215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  179.908850][ T3215]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  179.908852][ T3215]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  179.908856][ T3215]  __sys_sendto (net/socket.c:2281)
[  179.908859][ T3215]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  179.908870][ T3215]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  179.908877][ T3215]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  179.908879][ T3215]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  179.908883][ T3215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  179.908885][ T3215]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  179.908887][ T3215]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  179.908889][ T3215]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  179.908892][ T3215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  179.908894][ T3215] RIP: 0033:0x7effa16c6312
[  179.908898][ T3215] 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)
[  179.908900][ T3215] RSP: 002b:00007ffc601487f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  179.908902][ T3215] RAX: ffffffffffffffda RBX: 00007ffc60148928 RCX: 00007effa16c6312
[  179.908904][ T3215] RDX: 0000000000000030 RSI: 00007eff9d2f46b0 RDI: 0000000000000023
[  179.908905][ T3215] RBP: 00007ffc60148820 R08: 00007ffc601489a0 R09: 000000000000000c
[  179.908906][ T3215] R10: 0000000000000000 R11: 0000000000000246 R12: 00007eff9f526200
[  179.908906][ T3215] R13: 00007ffc60148928 R14: 00007effa0fe501a R15: 00007ffc60148d18
| [  181.061971][ T3256] softirqs last disabled at (377313): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  181.061973][ T3256] Preemption disabled at:
| [  181.061974][ T3256] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.061982][ T3256] Tainted: [W]=WARN
[  181.061983][ T3256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.061985][ T3256] Call Trace:
[  181.061987][ T3256]  <TASK>
[  181.061988][ T3256]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.061994][ T3256]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.061996][ T3256]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.062001][ T3256]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.062005][ T3256]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  181.062009][ T3256]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  181.062011][ T3256]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.062018][ T3256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  181.062021][ T3256]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.062024][ T3256]  put_chars (drivers/char/virtio_console.c:1176)
[  181.062027][ T3256]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.062030][ T3256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  181.062034][ T3256]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  181.062038][ T3256]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.062042][ T3256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.062044][ T3256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.062049][ T3256]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.062053][ T3256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.062055][ T3256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.062059][ T3256]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.062063][ T3256]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.062065][ T3256]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  181.062068][ T3256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.062070][ T3256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.062074][ T3256]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.062079][ T3256]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.062081][ T3256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.062086][ T3256]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.062089][ T3256]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.062091][ T3256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.062093][ T3256]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  181.062097][ T3256]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.062099][ T3256]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.062101][ T3256]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.062105][ T3256]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.062110][ T3256]  _printk (kernel/printk/printk.c:2504)
[  181.062114][ T3256]  ? snapshot_read.cold (user.c:?)
[  181.062117][ T3256]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  181.062120][ T3256]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  181.062124][ T3256]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  181.062126][ T3256]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.062130][ T3256]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.062134][ T3256]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.062137][ T3256]  ? netdev_notice (net/core/dev.c:13194)
[  181.062139][ T3256]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  181.062148][ T3256]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  181.062150][ T3256]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  181.062154][ T3256]  netif_set_promiscuity (net/core/dev.c:9699)
[  181.062158][ T3256]  dev_set_promiscuity (net/core/dev_api.c:288)
[  181.062160][ T3256]  ? dev_disable_lro (net/core/dev_api.c:267)
[  181.062162][ T3256] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  181.062167][ T3256] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  181.062172][ T3256] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  181.062176][ T3256]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  181.062181][ T3256] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  181.062187][ T3256]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  181.062190][ T3256]  ? __nla_validate_parse (lib/nlattr.c:635)
[  181.062196][ T3256]  ? __nla_parse (lib/nlattr.c:732)
[  181.062203][ T3256]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  181.062209][ T3256]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  181.062212][ T3256]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  181.062220][ T3256]  ? security_capable (security/security.c:660 (discriminator 11))
[  181.062225][ T3256]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  181.062229][ T3256]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  181.062231][ T3256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  181.062233][ T3256]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  181.062238][ T3256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.062243][ T3256]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  181.062247][ T3256]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.062249][ T3256]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  181.062252][ T3256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.062259][ T3256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  181.062261][ T3256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  181.062265][ T3256]  genl_rcv (net/netlink/genetlink.c:1218)
[  181.062268][ T3256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.062272][ T3256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.062275][ T3256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.062279][ T3256]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.062283][ T3256]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.062285][ T3256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.062288][ T3256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.062293][ T3256]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.062296][ T3256]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  181.062300][ T3256]  __sys_sendto (net/socket.c:2281)
[  181.062303][ T3256]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  181.062314][ T3256]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  181.062320][ T3256]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  181.062323][ T3256]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.062326][ T3256]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  181.062328][ T3256]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  181.062331][ T3256]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.062333][ T3256]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.062335][ T3256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.062337][ T3256] RIP: 0033:0x7f6560660312
[  181.062341][ T3256] 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)
[  181.062343][ T3256] RSP: 002b:00007ffe348f1e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  181.062346][ T3256] RAX: ffffffffffffffda RBX: 00007ffe348f1f98 RCX: 00007f6560660312
[  181.062347][ T3256] RDX: 0000000000000030 RSI: 00007f655c281170 RDI: 0000000000000023
[  181.062348][ T3256] RBP: 00007ffe348f1e90 R08: 00007ffe348f2010 R09: 000000000000000c
[  181.062349][ T3256] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f655e4ca2e0
[  181.062349][ T3256] R13: 00007ffe348f1f98 R14: 00007f655ff7f01a R15: 00007ffe348f2388
| [  190.836390][ T3400] softirqs last disabled at (25028): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  190.836394][ T3400] Preemption disabled at:
| [  190.836395][ T3400] vprintk_emit (kernel/printk/printk.c:2471)
| [  190.836407][ T3400] Tainted: [W]=WARN
[  190.836408][ T3400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  190.836410][ T3400] Call Trace:
[  190.836412][ T3400]  <TASK>
[  190.836414][ T3400]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  190.836421][ T3400]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  190.836424][ T3400]  __might_resched.cold (kernel/sched/core.c:9234)
[  190.836430][ T3400]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  190.836435][ T3400]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  190.836442][ T3400]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  190.836445][ T3400]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.836454][ T3400]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  190.836458][ T3400]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.836463][ T3400]  put_chars (drivers/char/virtio_console.c:1176)
[  190.836466][ T3400]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  190.836469][ T3400]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  190.836474][ T3400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  190.836478][ T3400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  190.836482][ T3400]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  190.836489][ T3400]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  190.836494][ T3400]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  190.836497][ T3400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.836499][ T3400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.836506][ T3400]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  190.836509][ T3400]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  190.836515][ T3400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.836518][ T3400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.836524][ T3400]  console_emit_next_record (kernel/printk/printk.c:3183)
[  190.836530][ T3400]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  190.836533][ T3400]  ? 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))
[  190.836538][ T3400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.836541][ T3400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.836547][ T3400]  console_flush_one_record (kernel/printk/printk.c:3268)
[  190.836554][ T3400]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  190.836557][ T3400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.836566][ T3400]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  190.836571][ T3400]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  190.836573][ T3400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.836576][ T3400]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  190.836582][ T3400]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  190.836585][ T3400]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  190.836590][ T3400]  vprintk_emit (kernel/printk/printk.c:2479)
[  190.836595][ T3400]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  190.836600][ T3400]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  190.836604][ T3400]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  190.836617][ T3400]  _printk (kernel/printk/printk.c:2504)
[  190.836622][ T3400]  ? snapshot_read.cold (user.c:?)
[  190.836629][ T3400]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  190.836634][ T3400]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  190.836641][ T3400]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  190.836644][ T3400]  ? netdev_notice (net/core/dev.c:13194)
[  190.836647][ T3400]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  190.836653][ T3400]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  190.836662][ T3400]  ? 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)
[  190.836666][ T3400]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  190.836672][ T3400]  netif_set_promiscuity (net/core/dev.c:9699)
[  190.836678][ T3400]  dev_set_promiscuity (net/core/dev_api.c:288)
[  190.836680][ T3400]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  190.836685][ T3400] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  190.836695][ T3400] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  190.836702][ T3400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.836706][ T3400]  notifier_call_chain (kernel/notifier.c:85)
[  190.836715][ T3400]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  190.836723][ T3400]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  190.836736][ T3400]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  190.836739][ T3400]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  190.836742][ T3400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.836744][ T3400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.836748][ T3400]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  190.836787][ T3400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  190.836790][ T3400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  190.836795][ T3400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  190.836798][ T3400]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  190.836804][ T3400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.836811][ T3400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  190.836814][ T3400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  190.836817][ T3400]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  190.836821][ T3400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  190.836827][ T3400]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  190.836831][ T3400]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  190.836836][ T3400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.836838][ T3400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.836846][ T3400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  190.836849][ T3400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  190.836855][ T3400]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  190.836859][ T3400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.836864][ T3400]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  190.836875][ T3400]  ? 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))
[  190.836878][ T3400]  ? 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))
[  190.836885][ T3400]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  190.836892][ T3400]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  190.836896][ T3400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  190.836903][ T3400]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  190.836910][ T3400]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  190.836916][ T3400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  190.836919][ T3400]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  190.836927][ T3400]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  190.836932][ T3400]  ____sys_sendmsg (net/socket.c:2713)
[  190.836936][ T3400]  ? copy_msghdr_from_user (net/socket.c:2650)
[  190.836939][ T3400]  ? sock_write_iter (net/socket.c:1269)
[  190.836941][ T3400]  ? move_addr_to_kernel (net/socket.c:258)
[  190.836955][ T3400]  ___sys_sendmsg (net/socket.c:2767)
[  190.836959][ T3400]  ? copy_msghdr_from_user (net/socket.c:2619)
[  190.836988][ T3400]  __sys_sendmsg (net/socket.c:2799)
[  190.836992][ T3400]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  190.837003][ T3400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.837008][ T3400]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  190.837013][ T3400]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  190.837017][ T3400]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  190.837020][ T3400] RIP: 0033:0x7f20ed50854e
[  190.837025][ T3400] 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
[  190.837027][ T3400] RSP: 002b:00007ffcdfaec910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  190.837031][ T3400] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f20ed50854e
[  190.837033][ T3400] RDX: 0000000000000000 RSI: 00007ffcdfaec9c0 RDI: 0000000000000005
[  190.837034][ T3400] RBP: 00007ffcdfaec920 R08: 0000000000000000 R09: 0000000000000000
[  190.837036][ T3400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913f44
[  190.837037][ T3400] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdfaed080
| [  193.777430][ T3458] softirqs last disabled at (414384): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  193.777433][ T3458] Preemption disabled at:
| [  193.777433][ T3458] vprintk_emit (kernel/printk/printk.c:2471)
| [  193.777442][ T3458] Tainted: [W]=WARN
[  193.777443][ T3458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  193.777445][ T3458] Call Trace:
[  193.777446][ T3458]  <TASK>
[  193.777448][ T3458]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  193.777454][ T3458]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  193.777455][ T3458]  __might_resched.cold (kernel/sched/core.c:9234)
[  193.777459][ T3458]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  193.777464][ T3458]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  193.777468][ T3458]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  193.777470][ T3458]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.777476][ T3458]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  193.777479][ T3458]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.777483][ T3458]  put_chars (drivers/char/virtio_console.c:1176)
[  193.777485][ T3458]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  193.777488][ T3458]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  193.777490][ T3458]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  193.777493][ T3458]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  193.777497][ T3458]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  193.777501][ T3458]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  193.777503][ T3458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.777505][ T3458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.777509][ T3458]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  193.777511][ T3458]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  193.777516][ T3458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.777520][ T3458]  console_emit_next_record (kernel/printk/printk.c:3183)
[  193.777524][ T3458]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  193.777526][ T3458]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  193.777529][ T3458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.777531][ T3458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.777535][ T3458]  console_flush_one_record (kernel/printk/printk.c:3268)
[  193.777539][ T3458]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  193.777541][ T3458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.777546][ T3458]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  193.777549][ T3458]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  193.777551][ T3458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.777553][ T3458]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  193.777556][ T3458]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  193.777558][ T3458]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  193.777561][ T3458]  vprintk_emit (kernel/printk/printk.c:2479)
[  193.777564][ T3458]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  193.777566][ T3458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  193.777568][ T3458]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  193.777572][ T3458]  _printk (kernel/printk/printk.c:2504)
[  193.777576][ T3458]  ? snapshot_read.cold (user.c:?)
[  193.777577][ T3458]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  193.777583][ T3458]  ? idr_get_free (??:?)
[  193.777588][ T3458]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  193.777597][ T3458]  ? nla_get_range_signed (lib/nlattr.c:270)
[  193.777602][ T3458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.777604][ T3458]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  193.777609][ T3458]  __nla_validate_parse (lib/nlattr.c:635)
[  193.777614][ T3458]  __nla_parse (lib/nlattr.c:732)
[  193.777616][ T3458]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  193.777621][ T3458]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  193.777625][ T3458]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  193.777633][ T3458]  ? security_capable (security/security.c:660 (discriminator 11))
[  193.777637][ T3458]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  193.777641][ T3458]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  193.777643][ T3458]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  193.777645][ T3458]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  193.777653][ T3458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.777659][ T3458]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  193.777662][ T3458]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  193.777664][ T3458]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  193.777668][ T3458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  193.777675][ T3458]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  193.777677][ T3458]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  193.777681][ T3458]  genl_rcv (net/netlink/genetlink.c:1218)
[  193.777683][ T3458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  193.777687][ T3458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  193.777691][ T3458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.777694][ T3458]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  193.777698][ T3458]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  193.777700][ T3458]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  193.777703][ T3458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  193.777708][ T3458]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  193.777710][ T3458]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  193.777714][ T3458]  __sys_sendto (net/socket.c:2281)
[  193.777717][ T3458]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  193.777728][ T3458]  ? fput_close_sync (fs/file_table.c:617)
[  193.777732][ T3458]  ? alloc_file_clone (fs/file_table.c:479)
[  193.777736][ T3458]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  193.777738][ T3458]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  193.777742][ T3458]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  193.777744][ T3458]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  193.777747][ T3458]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  193.777749][ T3458]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  193.777751][ T3458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  193.777754][ T3458] RIP: 0033:0x7f1b51ae0312
[  193.777757][ T3458] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  193.777759][ T3458] RSP: 002b:00007ffc99096168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  193.777762][ T3458] RAX: ffffffffffffffda RBX: 00007ffc99096298 RCX: 00007f1b51ae0312
[  193.777763][ T3458] RDX: 0000000000000044 RSI: 00007f1b4d6b7000 RDI: 0000000000000020
[  193.777764][ T3458] RBP: 00007ffc99096190 R08: 00007ffc99096310 R09: 000000000000000c
[  193.777765][ T3458] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b4f94a0b0
[  193.777766][ T3458] R13: 00007ffc99096298 R14: 00007f1b513ff01a R15: 00007ffc99096688
| [  194.973192][ T3505] softirqs last disabled at (383412): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  194.973194][ T3505] Preemption disabled at:
| [  194.973195][ T3505] vprintk_emit (kernel/printk/printk.c:2471)
| [  194.973203][ T3505] Tainted: [W]=WARN
[  194.973204][ T3505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  194.973206][ T3505] Call Trace:
[  194.973207][ T3505]  <TASK>
[  194.973209][ T3505]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  194.973215][ T3505]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  194.973216][ T3505]  __might_resched.cold (kernel/sched/core.c:9234)
[  194.973221][ T3505]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  194.973225][ T3505]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  194.973230][ T3505]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  194.973231][ T3505]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.973238][ T3505]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  194.973241][ T3505]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.973245][ T3505]  put_chars (drivers/char/virtio_console.c:1176)
[  194.973248][ T3505]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  194.973251][ T3505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  194.973254][ T3505]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  194.973258][ T3505]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  194.973268][ T3505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.973270][ T3505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.973275][ T3505]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  194.973279][ T3505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.973281][ T3505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.973285][ T3505]  console_emit_next_record (kernel/printk/printk.c:3183)
[  194.973289][ T3505]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  194.973291][ T3505]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  194.973295][ T3505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.973296][ T3505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.973300][ T3505]  console_flush_one_record (kernel/printk/printk.c:3268)
[  194.973305][ T3505]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  194.973307][ T3505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.973312][ T3505]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  194.973315][ T3505]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  194.973317][ T3505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.973319][ T3505]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  194.973323][ T3505]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  194.973325][ T3505]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  194.973327][ T3505]  vprintk_emit (kernel/printk/printk.c:2479)
[  194.973331][ T3505]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  194.973336][ T3505]  _printk (kernel/printk/printk.c:2504)
[  194.973340][ T3505]  ? snapshot_read.cold (user.c:?)
[  194.973343][ T3505]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  194.973346][ T3505]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  194.973350][ T3505]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  194.973352][ T3505]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  194.973355][ T3505]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  194.973359][ T3505]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  194.973362][ T3505]  ? netdev_notice (net/core/dev.c:13194)
[  194.973364][ T3505]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  194.973373][ T3505]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  194.973376][ T3505]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  194.973379][ T3505]  netif_set_promiscuity (net/core/dev.c:9699)
[  194.973383][ T3505]  dev_set_promiscuity (net/core/dev_api.c:288)
[  194.973385][ T3505]  ? dev_disable_lro (net/core/dev_api.c:267)
[  194.973387][ T3505] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  194.973393][ T3505] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  194.973398][ T3505] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  194.973402][ T3505]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  194.973406][ T3505] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  194.973412][ T3505]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  194.973416][ T3505]  ? __nla_validate_parse (lib/nlattr.c:635)
[  194.973422][ T3505]  ? __nla_parse (lib/nlattr.c:732)
[  194.973425][ T3505]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  194.973430][ T3505]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  194.973433][ T3505]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  194.973442][ T3505]  ? security_capable (security/security.c:660 (discriminator 11))
[  194.973446][ T3505]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  194.973450][ T3505]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  194.973453][ T3505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  194.973455][ T3505]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  194.973459][ T3505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.973465][ T3505]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  194.973469][ T3505]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  194.973471][ T3505]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  194.973474][ T3505]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  194.973481][ T3505]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  194.973483][ T3505]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  194.973488][ T3505]  genl_rcv (net/netlink/genetlink.c:1218)
[  194.973490][ T3505]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  194.973494][ T3505]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  194.973496][ T3505]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  194.973501][ T3505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.973504][ T3505]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  194.973509][ T3505]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  194.973510][ T3505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  194.973513][ T3505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  194.973518][ T3505]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  194.973521][ T3505]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  194.973525][ T3505]  __sys_sendto (net/socket.c:2281)
[  194.973528][ T3505]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  194.973539][ T3505]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  194.973545][ T3505]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  194.973547][ T3505]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  194.973551][ T3505]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  194.973552][ T3505]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  194.973555][ T3505]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  194.973557][ T3505]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  194.973560][ T3505]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  194.973562][ T3505] RIP: 0033:0x7fe211bc6312
[  194.973566][ T3505] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  194.973567][ T3505] RSP: 002b:00007ffc5f0f0488 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  194.973570][ T3505] RAX: ffffffffffffffda RBX: 00007ffc5f0f05b8 RCX: 00007fe211bc6312
[  194.973571][ T3505] RDX: 0000000000000030 RSI: 00007fe20d7e87f0 RDI: 0000000000000023
[  194.973572][ T3505] RBP: 00007ffc5f0f04b0 R08: 00007ffc5f0f0630 R09: 000000000000000c
[  194.973573][ T3505] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe20fa26190
[  194.973574][ T3505] R13: 00007ffc5f0f05b8 R14: 00007fe2114e501a R15: 00007ffc5f0f09a8
| [  196.117735][ T3543] softirqs last disabled at (404576): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  196.117737][ T3543] Preemption disabled at:
| [  196.117738][ T3543] vprintk_emit (kernel/printk/printk.c:2471)
| [  196.117746][ T3543] Tainted: [W]=WARN
[  196.117747][ T3543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  196.117749][ T3543] Call Trace:
[  196.117750][ T3543]  <TASK>
[  196.117752][ T3543]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  196.117758][ T3543]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  196.117760][ T3543]  __might_resched.cold (kernel/sched/core.c:9234)
[  196.117764][ T3543]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  196.117768][ T3543]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  196.117773][ T3543]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  196.117774][ T3543]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  196.117781][ T3543]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  196.117784][ T3543]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  196.117788][ T3543]  put_chars (drivers/char/virtio_console.c:1176)
[  196.117790][ T3543]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  196.117794][ T3543]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  196.117797][ T3543]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  196.117804][ T3543]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  196.117809][ T3543]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.117810][ T3543]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.117815][ T3543]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  196.117819][ T3543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.117821][ T3543]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.117825][ T3543]  console_emit_next_record (kernel/printk/printk.c:3183)
[  196.117829][ T3543]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  196.117831][ T3543]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  196.117834][ T3543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.117836][ T3543]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.117840][ T3543]  console_flush_one_record (kernel/printk/printk.c:3268)
[  196.117844][ T3543]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  196.117847][ T3543]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.117852][ T3543]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  196.117855][ T3543]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  196.117857][ T3543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.117859][ T3543]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  196.117863][ T3543]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  196.117864][ T3543]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  196.117867][ T3543]  vprintk_emit (kernel/printk/printk.c:2479)
[  196.117870][ T3543]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  196.117876][ T3543]  _printk (kernel/printk/printk.c:2504)
[  196.117879][ T3543]  ? snapshot_read.cold (user.c:?)
[  196.117882][ T3543]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  196.117885][ T3543]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  196.117889][ T3543]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  196.117891][ T3543]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  196.117895][ T3543]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  196.117899][ T3543]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  196.117902][ T3543]  ? netdev_notice (net/core/dev.c:13194)
[  196.117904][ T3543]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  196.117913][ T3543]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  196.117915][ T3543]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  196.117919][ T3543]  netif_set_promiscuity (net/core/dev.c:9699)
[  196.117923][ T3543]  dev_set_promiscuity (net/core/dev_api.c:288)
[  196.117925][ T3543]  ? dev_disable_lro (net/core/dev_api.c:267)
[  196.117927][ T3543] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  196.117932][ T3543] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  196.117937][ T3543] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  196.117941][ T3543]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  196.117946][ T3543] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  196.117952][ T3543]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  196.117956][ T3543]  ? __nla_validate_parse (lib/nlattr.c:635)
[  196.117962][ T3543]  ? __nla_parse (lib/nlattr.c:732)
[  196.117964][ T3543]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  196.117969][ T3543]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  196.117973][ T3543]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  196.117981][ T3543]  ? security_capable (security/security.c:660 (discriminator 11))
[  196.117985][ T3543]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  196.117989][ T3543]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  196.117992][ T3543]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  196.117994][ T3543]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  196.117998][ T3543]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.118004][ T3543]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  196.118007][ T3543]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  196.118009][ T3543]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  196.118013][ T3543]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  196.118020][ T3543]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  196.118022][ T3543]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  196.118026][ T3543]  genl_rcv (net/netlink/genetlink.c:1218)
[  196.118028][ T3543]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  196.118033][ T3543]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  196.118035][ T3543]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  196.118040][ T3543]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.118043][ T3543]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  196.118047][ T3543]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  196.118049][ T3543]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  196.118052][ T3543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  196.118057][ T3543]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  196.118059][ T3543]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  196.118063][ T3543]  __sys_sendto (net/socket.c:2281)
[  196.118067][ T3543]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  196.118077][ T3543]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  196.118083][ T3543]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  196.118085][ T3543]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  196.118089][ T3543]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  196.118091][ T3543]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  196.118094][ T3543]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  196.118096][ T3543]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  196.118098][ T3543]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  196.118100][ T3543] RIP: 0033:0x7fc945ae8312
[  196.118104][ T3543] 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)
[  196.118106][ T3543] RSP: 002b:00007fff475f5f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  196.118109][ T3543] RAX: ffffffffffffffda RBX: 00007fff475f6038 RCX: 00007fc945ae8312
[  196.118110][ T3543] RDX: 0000000000000030 RSI: 00007fc9417116b0 RDI: 0000000000000023
[  196.118111][ T3543] RBP: 00007fff475f5f30 R08: 00007fff475f60b0 R09: 000000000000000c
[  196.118112][ T3543] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc943952270
[  196.118113][ T3543] R13: 00007fff475f6038 R14: 00007fc94540701a R15: 00007fff475f6428
| [  208.451432][ T3799] softirqs last disabled at (34389): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  208.451435][ T3799] Preemption disabled at:
| [  208.451436][ T3799] vprintk_emit (kernel/printk/printk.c:2471)
| [  208.451444][ T3799] Tainted: [W]=WARN
[  208.451445][ T3799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  208.451447][ T3799] Call Trace:
[  208.451449][ T3799]  <TASK>
[  208.451450][ T3799]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  208.451456][ T3799]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  208.451457][ T3799]  __might_resched.cold (kernel/sched/core.c:9234)
[  208.451462][ T3799]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  208.451466][ T3799]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  208.451470][ T3799]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  208.451472][ T3799]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  208.451478][ T3799]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  208.451481][ T3799]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  208.451485][ T3799]  put_chars (drivers/char/virtio_console.c:1176)
[  208.451487][ T3799]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  208.451489][ T3799]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  208.451492][ T3799]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  208.451495][ T3799]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  208.451498][ T3799]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  208.451502][ T3799]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  208.451506][ T3799]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  208.451508][ T3799]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.451510][ T3799]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.451514][ T3799]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  208.451516][ T3799]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  208.451519][ T3799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.451521][ T3799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.451525][ T3799]  console_emit_next_record (kernel/printk/printk.c:3183)
[  208.451529][ T3799]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  208.451531][ T3799]  ? 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))
[  208.451534][ T3799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.451536][ T3799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.451540][ T3799]  console_flush_one_record (kernel/printk/printk.c:3268)
[  208.451544][ T3799]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  208.451546][ T3799]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.451551][ T3799]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  208.451554][ T3799]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  208.451556][ T3799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.451558][ T3799]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  208.451562][ T3799]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  208.451563][ T3799]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  208.451566][ T3799]  vprintk_emit (kernel/printk/printk.c:2479)
[  208.451569][ T3799]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  208.451572][ T3799]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  208.451575][ T3799]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  208.451584][ T3799]  _printk (kernel/printk/printk.c:2504)
[  208.451587][ T3799]  ? snapshot_read.cold (user.c:?)
[  208.451592][ T3799]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  208.451596][ T3799]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  208.451599][ T3799]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  208.451602][ T3799]  ? netdev_notice (net/core/dev.c:13194)
[  208.451604][ T3799]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  208.451608][ T3799]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  208.451613][ T3799]  ? 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)
[  208.451616][ T3799]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  208.451619][ T3799]  netif_set_promiscuity (net/core/dev.c:9699)
[  208.451623][ T3799]  dev_set_promiscuity (net/core/dev_api.c:288)
[  208.451625][ T3799]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  208.451629][ T3799] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  208.451635][ T3799] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  208.451640][ T3799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.451642][ T3799]  notifier_call_chain (kernel/notifier.c:85)
[  208.451647][ T3799]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  208.451652][ T3799]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  208.451659][ T3799]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  208.451661][ T3799]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  208.451663][ T3799]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.451665][ T3799]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.451667][ T3799]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  208.451688][ T3799]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  208.451690][ T3799]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  208.451693][ T3799]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  208.451695][ T3799]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  208.451697][ T3799]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.451701][ T3799]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  208.451703][ T3799]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  208.451705][ T3799]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  208.451707][ T3799]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  208.451711][ T3799]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  208.451713][ T3799]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  208.451716][ T3799]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  208.451718][ T3799]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.451722][ T3799]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  208.451724][ T3799]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  208.451727][ T3799]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  208.451731][ T3799]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  208.451733][ T3799]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  208.451740][ T3799]  ? 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))
[  208.451742][ T3799]  ? 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))
[  208.451746][ T3799]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  208.451750][ T3799]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  208.451753][ T3799]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  208.451757][ T3799]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  208.451761][ T3799]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  208.451765][ T3799]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  208.451766][ T3799]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  208.451772][ T3799]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  208.451776][ T3799]  ____sys_sendmsg (net/socket.c:2713)
[  208.451778][ T3799]  ? copy_msghdr_from_user (net/socket.c:2650)
[  208.451780][ T3799]  ? sock_write_iter (net/socket.c:1269)
[  208.451782][ T3799]  ? move_addr_to_kernel (net/socket.c:258)
[  208.451789][ T3799]  ___sys_sendmsg (net/socket.c:2767)
[  208.451792][ T3799]  ? copy_msghdr_from_user (net/socket.c:2619)
[  208.451810][ T3799]  __sys_sendmsg (net/socket.c:2799)
[  208.451813][ T3799]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  208.451819][ T3799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.451822][ T3799]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  208.451826][ T3799]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  208.451829][ T3799]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  208.451831][ T3799] RIP: 0033:0x7f1b6110f54e
[  208.451835][ T3799] 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
[  208.451837][ T3799] RSP: 002b:00007ffc5fdc5230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  208.451839][ T3799] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1b6110f54e
[  208.451841][ T3799] RDX: 0000000000000000 RSI: 00007ffc5fdc52e0 RDI: 0000000000000005
[  208.451841][ T3799] RBP: 00007ffc5fdc5240 R08: 0000000000000000 R09: 0000000000000000
[  208.451842][ T3799] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913f55
[  208.451843][ T3799] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5fdc59a0
| [  211.230730][ T3857] softirqs last disabled at (376384): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  211.230732][ T3857] Preemption disabled at:
| [  211.230733][ T3857] vprintk_emit (kernel/printk/printk.c:2471)
| [  211.230741][ T3857] Tainted: [W]=WARN
[  211.230742][ T3857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  211.230744][ T3857] Call Trace:
[  211.230746][ T3857]  <TASK>
[  211.230748][ T3857]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  211.230754][ T3857]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  211.230755][ T3857]  __might_resched.cold (kernel/sched/core.c:9234)
[  211.230760][ T3857]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  211.230764][ T3857]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  211.230768][ T3857]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  211.230770][ T3857]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.230776][ T3857]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  211.230779][ T3857]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.230783][ T3857]  put_chars (drivers/char/virtio_console.c:1176)
[  211.230785][ T3857]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  211.230788][ T3857]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  211.230791][ T3857]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  211.230794][ T3857]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  211.230801][ T3857]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  211.230805][ T3857]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  211.230807][ T3857]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.230809][ T3857]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.230813][ T3857]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  211.230815][ T3857]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  211.230819][ T3857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.230824][ T3857]  console_emit_next_record (kernel/printk/printk.c:3183)
[  211.230828][ T3857]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  211.230830][ T3857]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  211.230833][ T3857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.230835][ T3857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.230839][ T3857]  console_flush_one_record (kernel/printk/printk.c:3268)
[  211.230843][ T3857]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  211.230845][ T3857]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.230850][ T3857]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  211.230852][ T3857]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  211.230854][ T3857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.230856][ T3857]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  211.230860][ T3857]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  211.230861][ T3857]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  211.230864][ T3857]  vprintk_emit (kernel/printk/printk.c:2479)
[  211.230867][ T3857]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  211.230869][ T3857]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  211.230871][ T3857]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  211.230875][ T3857]  _printk (kernel/printk/printk.c:2504)
[  211.230879][ T3857]  ? snapshot_read.cold (user.c:?)
[  211.230881][ T3857]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  211.230887][ T3857]  ? idr_get_free (??:?)
[  211.230891][ T3857]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  211.230900][ T3857]  ? nla_get_range_signed (lib/nlattr.c:270)
[  211.230906][ T3857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.230907][ T3857]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  211.230912][ T3857]  __nla_validate_parse (lib/nlattr.c:635)
[  211.230917][ T3857]  __nla_parse (lib/nlattr.c:732)
[  211.230920][ T3857]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  211.230924][ T3857]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  211.230928][ T3857]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  211.230936][ T3857]  ? security_capable (security/security.c:660 (discriminator 11))
[  211.230940][ T3857]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  211.230944][ T3857]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  211.230946][ T3857]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  211.230948][ T3857]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  211.230956][ T3857]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.230961][ T3857]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  211.230965][ T3857]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  211.230967][ T3857]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  211.230970][ T3857]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  211.230977][ T3857]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  211.230979][ T3857]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  211.230983][ T3857]  genl_rcv (net/netlink/genetlink.c:1218)
[  211.230985][ T3857]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  211.230989][ T3857]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  211.230993][ T3857]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.230996][ T3857]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  211.231000][ T3857]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  211.231002][ T3857]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  211.231005][ T3857]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  211.231010][ T3857]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  211.231012][ T3857]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  211.231016][ T3857]  __sys_sendto (net/socket.c:2281)
[  211.231019][ T3857]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  211.231030][ T3857]  ? fput_close_sync (fs/file_table.c:617)
[  211.231033][ T3857]  ? alloc_file_clone (fs/file_table.c:479)
[  211.231037][ T3857]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  211.231039][ T3857]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  211.231043][ T3857]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  211.231045][ T3857]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  211.231048][ T3857]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  211.231050][ T3857]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  211.231052][ T3857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.231054][ T3857] RIP: 0033:0x7fc563ef1312
[  211.231058][ T3857] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  211.231060][ T3857] RSP: 002b:00007ffece6fddc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  211.231063][ T3857] RAX: ffffffffffffffda RBX: 00007ffece6fdef8 RCX: 00007fc563ef1312
[  211.231064][ T3857] RDX: 0000000000000048 RSI: 00007fc5602b6f60 RDI: 0000000000000020
[  211.231065][ T3857] RBP: 00007ffece6fddf0 R08: 00007ffece6fdf70 R09: 000000000000000c
[  211.231066][ T3857] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc561d4a120
[  211.231067][ T3857] R13: 00007ffece6fdef8 R14: 00007fc56381001a R15: 00007ffece6fe2e8
| [  212.457303][ T3904] softirqs last disabled at (385300): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  212.457305][ T3904] Preemption disabled at:
| [  212.457306][ T3904] vprintk_emit (kernel/printk/printk.c:2471)
| [  212.457315][ T3904] Tainted: [W]=WARN
[  212.457316][ T3904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  212.457317][ T3904] Call Trace:
[  212.457319][ T3904]  <TASK>
[  212.457321][ T3904]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  212.457327][ T3904]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  212.457328][ T3904]  __might_resched.cold (kernel/sched/core.c:9234)
[  212.457333][ T3904]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  212.457344][ T3904]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  212.457348][ T3904]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  212.457350][ T3904]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.457357][ T3904]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  212.457360][ T3904]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.457364][ T3904]  put_chars (drivers/char/virtio_console.c:1176)
[  212.457367][ T3904]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  212.457370][ T3904]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  212.457373][ T3904]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  212.457377][ T3904]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  212.457382][ T3904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.457384][ T3904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.457388][ T3904]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  212.457392][ T3904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.457394][ T3904]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.457398][ T3904]  console_emit_next_record (kernel/printk/printk.c:3183)
[  212.457402][ T3904]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  212.457404][ T3904]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  212.457408][ T3904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.457410][ T3904]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.457414][ T3904]  console_flush_one_record (kernel/printk/printk.c:3268)
[  212.457418][ T3904]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  212.457420][ T3904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.457426][ T3904]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  212.457428][ T3904]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  212.457430][ T3904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.457432][ T3904]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  212.457436][ T3904]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  212.457438][ T3904]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  212.457441][ T3904]  vprintk_emit (kernel/printk/printk.c:2479)
[  212.457444][ T3904]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  212.457449][ T3904]  _printk (kernel/printk/printk.c:2504)
[  212.457453][ T3904]  ? snapshot_read.cold (user.c:?)
[  212.457456][ T3904]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  212.457460][ T3904]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  212.457464][ T3904]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  212.457466][ T3904]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  212.457470][ T3904]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  212.457474][ T3904]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  212.457477][ T3904]  ? netdev_notice (net/core/dev.c:13194)
[  212.457478][ T3904]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  212.457487][ T3904]  ? 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)
[  212.457490][ T3904]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  212.457493][ T3904]  netif_set_promiscuity (net/core/dev.c:9699)
[  212.457497][ T3904]  dev_set_promiscuity (net/core/dev_api.c:288)
[  212.457499][ T3904]  ? dev_disable_lro (net/core/dev_api.c:267)
[  212.457501][ T3904] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  212.457507][ T3904] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  212.457512][ T3904] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  212.457516][ T3904]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  212.457520][ T3904] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  212.457526][ T3904]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  212.457530][ T3904]  ? __nla_validate_parse (lib/nlattr.c:635)
[  212.457536][ T3904]  ? __nla_parse (lib/nlattr.c:732)
[  212.457538][ T3904]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  212.457543][ T3904]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  212.457547][ T3904]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  212.457555][ T3904]  ? security_capable (security/security.c:660 (discriminator 11))
[  212.457560][ T3904]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  212.457564][ T3904]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  212.457567][ T3904]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  212.457569][ T3904]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  212.457573][ T3904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.457579][ T3904]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  212.457582][ T3904]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  212.457584][ T3904]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  212.457588][ T3904]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  212.457595][ T3904]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  212.457597][ T3904]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  212.457601][ T3904]  genl_rcv (net/netlink/genetlink.c:1218)
[  212.457604][ T3904]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  212.457608][ T3904]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  212.457612][ T3904]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.457615][ T3904]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  212.457619][ T3904]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  212.457621][ T3904]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  212.457624][ T3904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  212.457629][ T3904]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  212.457632][ T3904]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  212.457636][ T3904]  __sys_sendto (net/socket.c:2281)
[  212.457639][ T3904]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  212.457650][ T3904]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  212.457656][ T3904]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  212.457659][ T3904]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  212.457662][ T3904]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  212.457664][ T3904]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  212.457667][ T3904]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  212.457669][ T3904]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  212.457672][ T3904]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  212.457674][ T3904] RIP: 0033:0x7ff764e16312
[  212.457678][ T3904] 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)
[  212.457680][ T3904] RSP: 002b:00007ffd8a6bdc18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  212.457682][ T3904] RAX: ffffffffffffffda RBX: 00007ffd8a6bdd48 RCX: 00007ff764e16312
[  212.457684][ T3904] RDX: 0000000000000030 RSI: 00007ff760a281b0 RDI: 0000000000000023
[  212.457684][ T3904] RBP: 00007ffd8a6bdc40 R08: 00007ffd8a6bddc0 R09: 000000000000000c
[  212.457685][ T3904] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff762c76200
[  212.457686][ T3904] R13: 00007ffd8a6bdd48 R14: 00007ff76473501a R15: 00007ffd8a6be138
| [  213.629465][ T3942] softirqs last disabled at (397516): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  213.629467][ T3942] Preemption disabled at:
| [  213.629468][ T3942] vprintk_emit (kernel/printk/printk.c:2471)
| [  213.629476][ T3942] Tainted: [W]=WARN
[  213.629477][ T3942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  213.629478][ T3942] Call Trace:
[  213.629480][ T3942]  <TASK>
[  213.629481][ T3942]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  213.629487][ T3942]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  213.629489][ T3942]  __might_resched.cold (kernel/sched/core.c:9234)
[  213.629494][ T3942]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  213.629498][ T3942]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  213.629502][ T3942]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  213.629504][ T3942]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.629511][ T3942]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  213.629514][ T3942]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.629518][ T3942]  put_chars (drivers/char/virtio_console.c:1176)
[  213.629520][ T3942]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  213.629523][ T3942]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  213.629527][ T3942]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  213.629531][ T3942]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  213.629536][ T3942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.629537][ T3942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.629542][ T3942]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  213.629546][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.629548][ T3942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.629552][ T3942]  console_emit_next_record (kernel/printk/printk.c:3183)
[  213.629556][ T3942]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  213.629558][ T3942]  ? 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))
[  213.629562][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.629564][ T3942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.629568][ T3942]  console_flush_one_record (kernel/printk/printk.c:3268)
[  213.629572][ T3942]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  213.629574][ T3942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.629579][ T3942]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  213.629583][ T3942]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  213.629585][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.629586][ T3942]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  213.629590][ T3942]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  213.629592][ T3942]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  213.629595][ T3942]  vprintk_emit (kernel/printk/printk.c:2479)
[  213.629598][ T3942]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  213.629603][ T3942]  _printk (kernel/printk/printk.c:2504)
[  213.629607][ T3942]  ? snapshot_read.cold (user.c:?)
[  213.629610][ T3942]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  213.629613][ T3942]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  213.629618][ T3942]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  213.629619][ T3942]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  213.629623][ T3942]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  213.629627][ T3942]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  213.629630][ T3942]  ? netdev_notice (net/core/dev.c:13194)
[  213.629632][ T3942]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  213.629641][ T3942]  ? 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)
[  213.629643][ T3942]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  213.629647][ T3942]  netif_set_promiscuity (net/core/dev.c:9699)
[  213.629651][ T3942]  dev_set_promiscuity (net/core/dev_api.c:288)
[  213.629653][ T3942]  ? dev_disable_lro (net/core/dev_api.c:267)
[  213.629655][ T3942] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  213.629660][ T3942] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  213.629665][ T3942] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  213.629669][ T3942]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  213.629674][ T3942] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  213.629680][ T3942]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  213.629683][ T3942]  ? __nla_validate_parse (lib/nlattr.c:635)
[  213.629690][ T3942]  ? __nla_parse (lib/nlattr.c:732)
[  213.629692][ T3942]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  213.629697][ T3942]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  213.629701][ T3942]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  213.629709][ T3942]  ? security_capable (security/security.c:660 (discriminator 11))
[  213.629714][ T3942]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  213.629718][ T3942]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  213.629720][ T3942]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  213.629722][ T3942]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  213.629727][ T3942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.629732][ T3942]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  213.629736][ T3942]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  213.629738][ T3942]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  213.629741][ T3942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  213.629749][ T3942]  ? 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))
[  213.629751][ T3942]  ? 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))
[  213.629755][ T3942]  genl_rcv (net/netlink/genetlink.c:1218)
[  213.629757][ T3942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  213.629761][ T3942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  213.629765][ T3942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.629768][ T3942]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  213.629772][ T3942]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  213.629774][ T3942]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  213.629777][ T3942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  213.629782][ T3942]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  213.629786][ T3942]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  213.629790][ T3942]  __sys_sendto (net/socket.c:2281)
[  213.629793][ T3942]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  213.629795][ T3942]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  213.629805][ T3942]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  213.629814][ T3942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  213.629818][ T3942]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  213.629820][ T3942]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  213.629822][ T3942]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  213.629825][ T3942]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  213.629828][ T3942]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  213.629830][ T3942]  ? irq_exit_rcu (kernel/softirq.c:786)
[  213.629834][ T3942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  213.629837][ T3942] RIP: 0033:0x7fae5e748312
[  213.629840][ T3942] 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)
[  213.629842][ T3942] RSP: 002b:00007ffc47b21618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  213.629845][ T3942] RAX: ffffffffffffffda RBX: 00007ffc47b21748 RCX: 00007fae5e748312
[  213.629846][ T3942] RDX: 0000000000000030 RSI: 00007fae5a369530 RDI: 0000000000000023
[  213.629847][ T3942] RBP: 00007ffc47b21640 R08: 00007ffc47b217c0 R09: 000000000000000c
[  213.629848][ T3942] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fae5c5b22e0
[  213.629849][ T3942] R13: 00007ffc47b21748 R14: 00007fae5e06701a R15: 00007ffc47b21b38
| [  217.545743][ T4031] softirqs last disabled at (382158): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  217.545746][ T4031] Preemption disabled at:
| [  217.545746][ T4031] vprintk_emit (kernel/printk/printk.c:2471)
| [  217.545755][ T4031] Tainted: [W]=WARN
[  217.545756][ T4031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  217.545758][ T4031] Call Trace:
[  217.545759][ T4031]  <TASK>
[  217.545761][ T4031]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  217.545767][ T4031]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  217.545768][ T4031]  __might_resched.cold (kernel/sched/core.c:9234)
[  217.545773][ T4031]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  217.545777][ T4031]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  217.545782][ T4031]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  217.545784][ T4031]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.545790][ T4031]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  217.545793][ T4031]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.545800][ T4031]  put_chars (drivers/char/virtio_console.c:1176)
[  217.545803][ T4031]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  217.545804][ T4031]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  217.545808][ T4031]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  217.545814][ T4031]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  217.545821][ T4031]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  217.545824][ T4031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.545826][ T4031]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.545830][ T4031]  console_emit_next_record (kernel/printk/printk.c:3183)
[  217.545834][ T4031]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  217.545836][ T4031]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  217.545840][ T4031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.545841][ T4031]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.545845][ T4031]  console_flush_one_record (kernel/printk/printk.c:3268)
[  217.545850][ T4031]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  217.545852][ T4031]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.545857][ T4031]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  217.545860][ T4031]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  217.545862][ T4031]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.545863][ T4031]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  217.545867][ T4031]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  217.545869][ T4031]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  217.545872][ T4031]  vprintk_emit (kernel/printk/printk.c:2479)
[  217.545875][ T4031]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  217.545877][ T4031]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.545882][ T4031]  _printk (kernel/printk/printk.c:2504)
[  217.545885][ T4031]  ? snapshot_read.cold (user.c:?)
[  217.545887][ T4031]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  217.545893][ T4031]  ? idr_get_free (??:?)
[  217.545896][ T4031]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  217.545905][ T4031] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  217.545913][ T4031]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  217.545917][ T4031]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  217.545920][ T4031]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  217.545922][ T4031]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  217.545924][ T4031]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  217.545927][ T4031]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.545928][ T4031]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.545930][ T4031]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  217.545933][ T4031]  ? __sys_sendto (net/socket.c:2281)
[  217.545935][ T4031]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  217.545954][ T4031]  ? __nla_parse (lib/nlattr.c:732)
[  217.545958][ T4031]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  217.545963][ T4031]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  217.545966][ T4031]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  217.545974][ T4031]  ? security_capable (security/security.c:660 (discriminator 11))
[  217.545979][ T4031]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  217.545982][ T4031]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  217.545985][ T4031]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  217.545988][ T4031]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  217.545992][ T4031]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.545998][ T4031]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  217.546001][ T4031]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.546003][ T4031]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  217.546006][ T4031]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  217.546013][ T4031]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  217.546015][ T4031]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  217.546019][ T4031]  genl_rcv (net/netlink/genetlink.c:1218)
[  217.546021][ T4031]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.546025][ T4031]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  217.546029][ T4031]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.546032][ T4031]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.546036][ T4031]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  217.546038][ T4031]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  217.546041][ T4031]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.546046][ T4031]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  217.546048][ T4031]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  217.546051][ T4031]  __sys_sendto (net/socket.c:2281)
[  217.546054][ T4031]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  217.546065][ T4031]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  217.546070][ T4031]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  217.546073][ T4031]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.546076][ T4031]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  217.546078][ T4031]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  217.546080][ T4031]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.546082][ T4031]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  217.546085][ T4031]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.546087][ T4031] RIP: 0033:0x7faf3a5d5312
[  217.546091][ T4031] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  217.546093][ T4031] RSP: 002b:00007ffefb0fc268 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  217.546095][ T4031] RAX: ffffffffffffffda RBX: 00007ffefb0fc398 RCX: 00007faf3a5d5312
[  217.546097][ T4031] RDX: 00000000000000b0 RSI: 00007faf382a7930 RDI: 0000000000000026
[  217.546098][ T4031] RBP: 00007ffefb0fc290 R08: 00007ffefb0fc410 R09: 000000000000000c
[  217.546099][ T4031] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf3842e350
[  217.546100][ T4031] R13: 00007ffefb0fc398 R14: 00007faf39ef401a R15: 00007ffefb0fc788
| [  227.590812][ T4234] softirqs last disabled at (26682): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  227.590815][ T4234] Preemption disabled at:
| [  227.590815][ T4234] vprintk_emit (kernel/printk/printk.c:2471)
| [  227.590824][ T4234] Tainted: [W]=WARN
[  227.590825][ T4234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  227.590826][ T4234] Call Trace:
[  227.590828][ T4234]  <TASK>
[  227.590829][ T4234]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  227.590835][ T4234]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  227.590837][ T4234]  __might_resched.cold (kernel/sched/core.c:9234)
[  227.590841][ T4234]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  227.590846][ T4234]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  227.590850][ T4234]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  227.590852][ T4234]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  227.590858][ T4234]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  227.590861][ T4234]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  227.590864][ T4234]  put_chars (drivers/char/virtio_console.c:1176)
[  227.590866][ T4234]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  227.590868][ T4234]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  227.590871][ T4234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  227.590874][ T4234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  227.590877][ T4234]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  227.590881][ T4234]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  227.590885][ T4234]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  227.590887][ T4234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.590889][ T4234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.590893][ T4234]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  227.590895][ T4234]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  227.590898][ T4234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.590900][ T4234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.590904][ T4234]  console_emit_next_record (kernel/printk/printk.c:3183)
[  227.590908][ T4234]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  227.590910][ T4234]  ? 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))
[  227.590913][ T4234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.590915][ T4234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.590919][ T4234]  console_flush_one_record (kernel/printk/printk.c:3268)
[  227.590923][ T4234]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  227.590925][ T4234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.590930][ T4234]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  227.590933][ T4234]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  227.590934][ T4234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.590936][ T4234]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  227.590940][ T4234]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  227.590942][ T4234]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  227.590944][ T4234]  vprintk_emit (kernel/printk/printk.c:2479)
[  227.590947][ T4234]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  227.590950][ T4234]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  227.590953][ T4234]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  227.590962][ T4234]  _printk (kernel/printk/printk.c:2504)
[  227.590965][ T4234]  ? snapshot_read.cold (user.c:?)
[  227.590969][ T4234]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  227.590973][ T4234]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  227.590977][ T4234]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  227.590980][ T4234]  ? netdev_notice (net/core/dev.c:13194)
[  227.590981][ T4234]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  227.590986][ T4234]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  227.590991][ T4234]  ? 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)
[  227.590993][ T4234]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  227.590996][ T4234]  netif_set_promiscuity (net/core/dev.c:9699)
[  227.591000][ T4234]  dev_set_promiscuity (net/core/dev_api.c:288)
[  227.591002][ T4234]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  227.591005][ T4234] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  227.591012][ T4234] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  227.591016][ T4234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.591019][ T4234]  notifier_call_chain (kernel/notifier.c:85)
[  227.591025][ T4234]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  227.591030][ T4234]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  227.591037][ T4234]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  227.591039][ T4234]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  227.591041][ T4234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.591042][ T4234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.591044][ T4234]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  227.591065][ T4234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.591067][ T4234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.591070][ T4234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.591072][ T4234]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  227.591074][ T4234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.591078][ T4234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.591080][ T4234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.591082][ T4234]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  227.591084][ T4234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.591088][ T4234]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  227.591090][ T4234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  227.591093][ T4234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  227.591095][ T4234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.591099][ T4234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.591101][ T4234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.591104][ T4234]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  227.591107][ T4234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  227.591110][ T4234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  227.591116][ T4234]  ? 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))
[  227.591119][ T4234]  ? 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))
[  227.591123][ T4234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  227.591127][ T4234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  227.591129][ T4234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.591134][ T4234]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  227.591138][ T4234]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  227.591141][ T4234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.591143][ T4234]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  227.591149][ T4234]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  227.591153][ T4234]  ____sys_sendmsg (net/socket.c:2713)
[  227.591155][ T4234]  ? copy_msghdr_from_user (net/socket.c:2650)
[  227.591157][ T4234]  ? sock_write_iter (net/socket.c:1269)
[  227.591159][ T4234]  ? move_addr_to_kernel (net/socket.c:258)
[  227.591166][ T4234]  ___sys_sendmsg (net/socket.c:2767)
[  227.591169][ T4234]  ? copy_msghdr_from_user (net/socket.c:2619)
[  227.591184][ T4234]  __sys_sendmsg (net/socket.c:2799)
[  227.591187][ T4234]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  227.591193][ T4234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.591196][ T4234]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  227.591200][ T4234]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  227.591203][ T4234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  227.591205][ T4234] RIP: 0033:0x7f9c68fd754e
[  227.591209][ T4234] 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
[  227.591211][ T4234] RSP: 002b:00007ffd42310010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  227.591214][ T4234] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9c68fd754e
[  227.591215][ T4234] RDX: 0000000000000000 RSI: 00007ffd423100c0 RDI: 0000000000000005
[  227.591216][ T4234] RBP: 00007ffd42310020 R08: 0000000000000000 R09: 0000000000000000
[  227.591217][ T4234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913f68
[  227.591218][ T4234] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd42310780
| [  230.488916][ T4292] softirqs last disabled at (392155): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  230.488919][ T4292] Preemption disabled at:
| [  230.488920][ T4292] vprintk_emit (kernel/printk/printk.c:2471)
| [  230.488928][ T4292] Tainted: [W]=WARN
[  230.488930][ T4292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  230.488931][ T4292] Call Trace:
[  230.488933][ T4292]  <TASK>
[  230.488934][ T4292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  230.488940][ T4292]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  230.488942][ T4292]  __might_resched.cold (kernel/sched/core.c:9234)
[  230.488946][ T4292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  230.488951][ T4292]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  230.488955][ T4292]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  230.488957][ T4292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  230.488963][ T4292]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  230.488966][ T4292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  230.488970][ T4292]  put_chars (drivers/char/virtio_console.c:1176)
[  230.488973][ T4292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  230.488975][ T4292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  230.488978][ T4292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  230.488981][ T4292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  230.488985][ T4292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  230.488990][ T4292]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  230.488992][ T4292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.488993][ T4292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.488998][ T4292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  230.489000][ T4292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  230.489004][ T4292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.489008][ T4292]  console_emit_next_record (kernel/printk/printk.c:3183)
[  230.489012][ T4292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  230.489014][ T4292]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  230.489017][ T4292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.489019][ T4292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.489023][ T4292]  console_flush_one_record (kernel/printk/printk.c:3268)
[  230.489027][ T4292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  230.489029][ T4292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.489035][ T4292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  230.489038][ T4292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  230.489040][ T4292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.489041][ T4292]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  230.489045][ T4292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  230.489047][ T4292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  230.489050][ T4292]  vprintk_emit (kernel/printk/printk.c:2479)
[  230.489053][ T4292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  230.489055][ T4292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  230.489057][ T4292]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  230.489062][ T4292]  _printk (kernel/printk/printk.c:2504)
[  230.489065][ T4292]  ? snapshot_read.cold (user.c:?)
[  230.489067][ T4292]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  230.489073][ T4292]  ? idr_get_free (??:?)
[  230.489078][ T4292]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  230.489086][ T4292]  ? nla_get_range_signed (lib/nlattr.c:270)
[  230.489092][ T4292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.489094][ T4292]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  230.489098][ T4292]  __nla_validate_parse (lib/nlattr.c:635)
[  230.489103][ T4292]  __nla_parse (lib/nlattr.c:732)
[  230.489106][ T4292]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  230.489111][ T4292]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  230.489115][ T4292]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  230.489123][ T4292]  ? security_capable (security/security.c:660 (discriminator 11))
[  230.489127][ T4292]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  230.489131][ T4292]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  230.489133][ T4292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  230.489136][ T4292]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  230.489144][ T4292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.489149][ T4292]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  230.489153][ T4292]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  230.489155][ T4292]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  230.489158][ T4292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  230.489165][ T4292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  230.489167][ T4292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  230.489171][ T4292]  genl_rcv (net/netlink/genetlink.c:1218)
[  230.489173][ T4292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  230.489177][ T4292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  230.489181][ T4292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.489185][ T4292]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  230.489188][ T4292]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  230.489190][ T4292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  230.489193][ T4292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  230.489198][ T4292]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  230.489202][ T4292]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  230.489206][ T4292]  __sys_sendto (net/socket.c:2281)
[  230.489209][ T4292]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  230.489219][ T4292]  ? fput_close_sync (fs/file_table.c:617)
[  230.489223][ T4292]  ? alloc_file_clone (fs/file_table.c:479)
[  230.489227][ T4292]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  230.489229][ T4292]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  230.489233][ T4292]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  230.489235][ T4292]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  230.489238][ T4292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  230.489240][ T4292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  230.489243][ T4292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  230.489245][ T4292] RIP: 0033:0x7fd2f1cfd312
[  230.489249][ T4292] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  230.489251][ T4292] RSP: 002b:00007ffee392d818 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  230.489253][ T4292] RAX: ffffffffffffffda RBX: 00007ffee392d948 RCX: 00007fd2f1cfd312
[  230.489255][ T4292] RDX: 0000000000000044 RSI: 00007fd2ed8bedd0 RDI: 0000000000000020
[  230.489256][ T4292] RBP: 00007ffee392d840 R08: 00007ffee392d9c0 R09: 000000000000000c
[  230.489257][ T4292] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd2efb56120
[  230.489258][ T4292] R13: 00007ffee392d948 R14: 00007fd2f161c01a R15: 00007ffee392dd38
| [  231.712386][ T4344] softirqs last disabled at (394294): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  231.712388][ T4344] Preemption disabled at:
| [  231.712389][ T4344] vprintk_emit (kernel/printk/printk.c:2471)
| [  231.712398][ T4344] Tainted: [W]=WARN
[  231.712399][ T4344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  231.712400][ T4344] Call Trace:
[  231.712402][ T4344]  <TASK>
[  231.712404][ T4344]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  231.712410][ T4344]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  231.712412][ T4344]  __might_resched.cold (kernel/sched/core.c:9234)
[  231.712416][ T4344]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  231.712427][ T4344]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  231.712432][ T4344]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  231.712433][ T4344]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.712440][ T4344]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  231.712443][ T4344]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.712447][ T4344]  put_chars (drivers/char/virtio_console.c:1176)
[  231.712449][ T4344]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  231.712453][ T4344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  231.712456][ T4344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  231.712461][ T4344]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  231.712465][ T4344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.712467][ T4344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.712472][ T4344]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  231.712476][ T4344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.712478][ T4344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.712482][ T4344]  console_emit_next_record (kernel/printk/printk.c:3183)
[  231.712486][ T4344]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  231.712488][ T4344]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  231.712492][ T4344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.712494][ T4344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.712498][ T4344]  console_flush_one_record (kernel/printk/printk.c:3268)
[  231.712502][ T4344]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  231.712504][ T4344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.712509][ T4344]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  231.712512][ T4344]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  231.712514][ T4344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.712516][ T4344]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  231.712520][ T4344]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  231.712522][ T4344]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  231.712525][ T4344]  vprintk_emit (kernel/printk/printk.c:2479)
[  231.712528][ T4344]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  231.712533][ T4344]  _printk (kernel/printk/printk.c:2504)
[  231.712537][ T4344]  ? snapshot_read.cold (user.c:?)
[  231.712540][ T4344]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  231.712544][ T4344]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  231.712548][ T4344]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  231.712549][ T4344]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  231.712553][ T4344]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  231.712557][ T4344]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  231.712560][ T4344]  ? netdev_notice (net/core/dev.c:13194)
[  231.712562][ T4344]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  231.712571][ T4344]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  231.712573][ T4344]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  231.712577][ T4344]  netif_set_promiscuity (net/core/dev.c:9699)
[  231.712581][ T4344]  dev_set_promiscuity (net/core/dev_api.c:288)
[  231.712583][ T4344]  ? dev_disable_lro (net/core/dev_api.c:267)
[  231.712586][ T4344] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  231.712591][ T4344] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  231.712596][ T4344] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  231.712600][ T4344]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  231.712605][ T4344] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  231.712611][ T4344]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  231.712614][ T4344]  ? __nla_validate_parse (lib/nlattr.c:635)
[  231.712620][ T4344]  ? __nla_parse (lib/nlattr.c:732)
[  231.712623][ T4344]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  231.712628][ T4344]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  231.712632][ T4344]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  231.712640][ T4344]  ? security_capable (security/security.c:660 (discriminator 11))
[  231.712645][ T4344]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  231.712649][ T4344]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  231.712651][ T4344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  231.712653][ T4344]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  231.712658][ T4344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.712663][ T4344]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  231.712667][ T4344]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  231.712669][ T4344]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  231.712673][ T4344]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  231.712680][ T4344]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  231.712682][ T4344]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  231.712686][ T4344]  genl_rcv (net/netlink/genetlink.c:1218)
[  231.712689][ T4344]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  231.712693][ T4344]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  231.712696][ T4344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.712700][ T4344]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  231.712704][ T4344]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  231.712706][ T4344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  231.712709][ T4344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  231.712714][ T4344]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  231.712718][ T4344]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  231.712722][ T4344]  __sys_sendto (net/socket.c:2281)
[  231.712725][ T4344]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  231.712731][ T4344]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  231.712739][ T4344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  231.712743][ T4344]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  231.712745][ T4344]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  231.712749][ T4344]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  231.712752][ T4344]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  231.712755][ T4344]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  231.712757][ T4344]  ? irq_exit_rcu (kernel/softirq.c:786)
[  231.712762][ T4344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  231.712764][ T4344] RIP: 0033:0x7f3edd997312
[  231.712767][ T4344] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  231.712769][ T4344] RSP: 002b:00007ffe79c923b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  231.712772][ T4344] RAX: ffffffffffffffda RBX: 00007ffe79c924e8 RCX: 00007f3edd997312
[  231.712773][ T4344] RDX: 0000000000000030 RSI: 00007f3ed8424370 RDI: 0000000000000023
[  231.712775][ T4344] RBP: 00007ffe79c923e0 R08: 00007ffe79c92560 R09: 000000000000000c
[  231.712775][ T4344] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3edb7fa200
[  231.712777][ T4344] R13: 00007ffe79c924e8 R14: 00007f3edd2b601a R15: 00007ffe79c928d8
| [  232.878475][ T4384] softirqs last disabled at (382258): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  232.878478][ T4384] Preemption disabled at:
| [  232.878478][ T4384] vprintk_emit (kernel/printk/printk.c:2471)
| [  232.878487][ T4384] Tainted: [W]=WARN
[  232.878488][ T4384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  232.878491][ T4384] Call Trace:
[  232.878492][ T4384]  <TASK>
[  232.878494][ T4384]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  232.878500][ T4384]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  232.878502][ T4384]  __might_resched.cold (kernel/sched/core.c:9234)
[  232.878507][ T4384]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  232.878511][ T4384]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  232.878515][ T4384]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  232.878517][ T4384]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.878524][ T4384]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  232.878527][ T4384]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.878531][ T4384]  put_chars (drivers/char/virtio_console.c:1176)
[  232.878533][ T4384]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  232.878536][ T4384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  232.878540][ T4384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  232.878544][ T4384]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  232.878549][ T4384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  232.878551][ T4384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  232.878555][ T4384]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  232.878559][ T4384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.878561][ T4384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.878566][ T4384]  console_emit_next_record (kernel/printk/printk.c:3183)
[  232.878570][ T4384]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  232.878572][ T4384]  ? 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))
[  232.878575][ T4384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.878577][ T4384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.878581][ T4384]  console_flush_one_record (kernel/printk/printk.c:3268)
[  232.878585][ T4384]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  232.878587][ T4384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  232.878593][ T4384]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  232.878596][ T4384]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  232.878597][ T4384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.878599][ T4384]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  232.878603][ T4384]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  232.878605][ T4384]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  232.878608][ T4384]  vprintk_emit (kernel/printk/printk.c:2479)
[  232.878611][ T4384]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  232.878617][ T4384]  _printk (kernel/printk/printk.c:2504)
[  232.878620][ T4384]  ? snapshot_read.cold (user.c:?)
[  232.878623][ T4384]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  232.878627][ T4384]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  232.878631][ T4384]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  232.878633][ T4384]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  232.878637][ T4384]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  232.878641][ T4384]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  232.878644][ T4384]  ? netdev_notice (net/core/dev.c:13194)
[  232.878645][ T4384]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  232.878654][ T4384]  ? 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)
[  232.878657][ T4384]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  232.878661][ T4384]  netif_set_promiscuity (net/core/dev.c:9699)
[  232.878665][ T4384]  dev_set_promiscuity (net/core/dev_api.c:288)
[  232.878667][ T4384]  ? dev_disable_lro (net/core/dev_api.c:267)
[  232.878669][ T4384] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  232.878674][ T4384] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  232.878679][ T4384] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  232.878683][ T4384]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  232.878688][ T4384] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  232.878694][ T4384]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  232.878697][ T4384]  ? __nla_validate_parse (lib/nlattr.c:635)
[  232.878704][ T4384]  ? __nla_parse (lib/nlattr.c:732)
[  232.878706][ T4384]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  232.878711][ T4384]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  232.878715][ T4384]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  232.878723][ T4384]  ? security_capable (security/security.c:660 (discriminator 11))
[  232.878728][ T4384]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  232.878731][ T4384]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  232.878734][ T4384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  232.878736][ T4384]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  232.878740][ T4384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  232.878746][ T4384]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  232.878750][ T4384]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  232.878752][ T4384]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  232.878755][ T4384]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  232.878762][ T4384]  ? 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))
[  232.878764][ T4384]  ? 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))
[  232.878768][ T4384]  genl_rcv (net/netlink/genetlink.c:1218)
[  232.878771][ T4384]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  232.878775][ T4384]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  232.878779][ T4384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  232.878782][ T4384]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  232.878786][ T4384]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  232.878788][ T4384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  232.878791][ T4384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  232.878796][ T4384]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  232.878802][ T4384]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  232.878806][ T4384]  __sys_sendto (net/socket.c:2281)
[  232.878810][ T4384]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  232.878820][ T4384]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  232.878827][ T4384]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  232.878829][ T4384]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  232.878833][ T4384]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  232.878835][ T4384]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  232.878837][ T4384]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  232.878839][ T4384]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  232.878842][ T4384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  232.878844][ T4384] RIP: 0033:0x7f7c59461312
[  232.878848][ T4384] 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)
[  232.878850][ T4384] RSP: 002b:00007ffcdae30888 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  232.878853][ T4384] RAX: ffffffffffffffda RBX: 00007ffcdae309b8 RCX: 00007f7c59461312
[  232.878854][ T4384] RDX: 0000000000000030 RSI: 00007f7c54fe70f0 RDI: 0000000000000023
[  232.878855][ T4384] RBP: 00007ffcdae308b0 R08: 00007ffcdae30a30 R09: 000000000000000c
[  232.878856][ T4384] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7c572ba2e0
[  232.878857][ T4384] R13: 00007ffcdae309b8 R14: 00007f7c58d8001a R15: 00007ffcdae30da8
| [  240.583733][ T4535] softirqs last disabled at (25748): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  240.583736][ T4535] Preemption disabled at:
| [  240.583736][ T4535] vprintk_emit (kernel/printk/printk.c:2471)
| [  240.583745][ T4535] Tainted: [W]=WARN
[  240.583746][ T4535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  240.583748][ T4535] Call Trace:
[  240.583750][ T4535]  <TASK>
[  240.583751][ T4535]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  240.583757][ T4535]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  240.583759][ T4535]  __might_resched.cold (kernel/sched/core.c:9234)
[  240.583764][ T4535]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  240.583768][ T4535]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  240.583773][ T4535]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  240.583775][ T4535]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.583782][ T4535]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  240.583784][ T4535]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.583788][ T4535]  put_chars (drivers/char/virtio_console.c:1176)
[  240.583790][ T4535]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  240.583793][ T4535]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  240.583796][ T4535]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  240.583800][ T4535]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  240.583803][ T4535]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  240.583808][ T4535]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  240.583812][ T4535]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  240.583814][ T4535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.583816][ T4535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.583820][ T4535]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  240.583823][ T4535]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  240.583826][ T4535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.583828][ T4535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.583833][ T4535]  console_emit_next_record (kernel/printk/printk.c:3183)
[  240.583837][ T4535]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  240.583839][ T4535]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  240.583842][ T4535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.583844][ T4535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.583848][ T4535]  console_flush_one_record (kernel/printk/printk.c:3268)
[  240.583853][ T4535]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  240.583855][ T4535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.583860][ T4535]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  240.583863][ T4535]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  240.583865][ T4535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.583867][ T4535]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  240.583871][ T4535]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  240.583873][ T4535]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  240.583876][ T4535]  vprintk_emit (kernel/printk/printk.c:2479)
[  240.583879][ T4535]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  240.583882][ T4535]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  240.583885][ T4535]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  240.583894][ T4535]  _printk (kernel/printk/printk.c:2504)
[  240.583897][ T4535]  ? snapshot_read.cold (user.c:?)
[  240.583902][ T4535]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  240.583906][ T4535]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  240.583910][ T4535]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  240.583913][ T4535]  ? netdev_notice (net/core/dev.c:13194)
[  240.583915][ T4535]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  240.583919][ T4535]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  240.583924][ T4535]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  240.583927][ T4535]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  240.583931][ T4535]  netif_set_promiscuity (net/core/dev.c:9699)
[  240.583934][ T4535]  dev_set_promiscuity (net/core/dev_api.c:288)
[  240.583936][ T4535]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  240.583940][ T4535] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  240.583946][ T4535] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  240.583951][ T4535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.583954][ T4535]  notifier_call_chain (kernel/notifier.c:85)
[  240.583960][ T4535]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  240.583965][ T4535]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  240.583972][ T4535]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  240.583974][ T4535]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  240.583976][ T4535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.583978][ T4535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.583980][ T4535]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  240.584002][ T4535]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  240.584004][ T4535]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  240.584008][ T4535]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  240.584010][ T4535]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  240.584012][ T4535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.584017][ T4535]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  240.584019][ T4535]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  240.584021][ T4535]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  240.584023][ T4535]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  240.584027][ T4535]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  240.584029][ T4535]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  240.584033][ T4535]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  240.584034][ T4535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.584039][ T4535]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  240.584041][ T4535]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  240.584044][ T4535]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  240.584048][ T4535]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  240.584051][ T4535]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  240.584057][ T4535]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  240.584059][ T4535]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  240.584064][ T4535]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  240.584068][ T4535]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  240.584071][ T4535]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  240.584075][ T4535]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  240.584080][ T4535]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  240.584084][ T4535]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  240.584085][ T4535]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  240.584091][ T4535]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  240.584095][ T4535]  ____sys_sendmsg (net/socket.c:2713)
[  240.584098][ T4535]  ? copy_msghdr_from_user (net/socket.c:2650)
[  240.584100][ T4535]  ? sock_write_iter (net/socket.c:1269)
[  240.584102][ T4535]  ? move_addr_to_kernel (net/socket.c:258)
[  240.584109][ T4535]  ___sys_sendmsg (net/socket.c:2767)
[  240.584112][ T4535]  ? copy_msghdr_from_user (net/socket.c:2619)
[  240.584128][ T4535]  __sys_sendmsg (net/socket.c:2799)
[  240.584132][ T4535]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  240.584138][ T4535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.584141][ T4535]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  240.584145][ T4535]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  240.584148][ T4535]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  240.584150][ T4535] RIP: 0033:0x7fd1afece54e
[  240.584154][ T4535] 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
[  240.584156][ T4535] RSP: 002b:00007ffc6f82d720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  240.584159][ T4535] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd1afece54e
[  240.584161][ T4535] RDX: 0000000000000000 RSI: 00007ffc6f82d7d0 RDI: 0000000000000005
[  240.584162][ T4535] RBP: 00007ffc6f82d730 R08: 0000000000000000 R09: 0000000000000000
[  240.584163][ T4535] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913f75
[  240.584164][ T4535] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6f82de90
| [  243.565226][ T4595] softirqs last disabled at (399040): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  243.565229][ T4595] Preemption disabled at:
| [  243.565230][ T4595] vprintk_emit (kernel/printk/printk.c:2471)
| [  243.565238][ T4595] Tainted: [W]=WARN
[  243.565239][ T4595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  243.565241][ T4595] Call Trace:
[  243.565243][ T4595]  <TASK>
[  243.565244][ T4595]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  243.565250][ T4595]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  243.565252][ T4595]  __might_resched.cold (kernel/sched/core.c:9234)
[  243.565256][ T4595]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  243.565261][ T4595]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  243.565265][ T4595]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  243.565267][ T4595]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  243.565274][ T4595]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  243.565277][ T4595]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  243.565280][ T4595]  put_chars (drivers/char/virtio_console.c:1176)
[  243.565283][ T4595]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  243.565286][ T4595]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  243.565289][ T4595]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  243.565292][ T4595]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  243.565296][ T4595]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  243.565300][ T4595]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  243.565302][ T4595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  243.565303][ T4595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  243.565308][ T4595]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  243.565310][ T4595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  243.565314][ T4595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.565318][ T4595]  console_emit_next_record (kernel/printk/printk.c:3183)
[  243.565322][ T4595]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  243.565324][ T4595]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  243.565327][ T4595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.565330][ T4595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.565333][ T4595]  console_flush_one_record (kernel/printk/printk.c:3268)
[  243.565338][ T4595]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  243.565340][ T4595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  243.565345][ T4595]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  243.565348][ T4595]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  243.565350][ T4595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.565352][ T4595]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  243.565355][ T4595]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  243.565357][ T4595]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  243.565360][ T4595]  vprintk_emit (kernel/printk/printk.c:2479)
[  243.565363][ T4595]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  243.565365][ T4595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  243.565367][ T4595]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  243.565372][ T4595]  _printk (kernel/printk/printk.c:2504)
[  243.565375][ T4595]  ? snapshot_read.cold (user.c:?)
[  243.565377][ T4595]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  243.565383][ T4595]  ? idr_get_free (??:?)
[  243.565388][ T4595]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  243.565396][ T4595]  ? nla_get_range_signed (lib/nlattr.c:270)
[  243.565402][ T4595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.565404][ T4595]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  243.565408][ T4595]  __nla_validate_parse (lib/nlattr.c:635)
[  243.565413][ T4595]  __nla_parse (lib/nlattr.c:732)
[  243.565416][ T4595]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  243.565421][ T4595]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  243.565424][ T4595]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  243.565432][ T4595]  ? security_capable (security/security.c:660 (discriminator 11))
[  243.565436][ T4595]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  243.565440][ T4595]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  243.565443][ T4595]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  243.565445][ T4595]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  243.565453][ T4595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  243.565459][ T4595]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  243.565462][ T4595]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  243.565464][ T4595]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  243.565468][ T4595]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  243.565481][ T4595]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  243.565483][ T4595]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  243.565487][ T4595]  genl_rcv (net/netlink/genetlink.c:1218)
[  243.565489][ T4595]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  243.565493][ T4595]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  243.565496][ T4595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  243.565500][ T4595]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  243.565504][ T4595]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  243.565506][ T4595]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  243.565509][ T4595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  243.565514][ T4595]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  243.565516][ T4595]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  243.565520][ T4595]  __sys_sendto (net/socket.c:2281)
[  243.565523][ T4595]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  243.565534][ T4595]  ? fput_close_sync (fs/file_table.c:617)
[  243.565537][ T4595]  ? alloc_file_clone (fs/file_table.c:479)
[  243.565541][ T4595]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  243.565544][ T4595]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  243.565547][ T4595]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  243.565550][ T4595]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  243.565552][ T4595]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  243.565554][ T4595]  ? irq_exit_rcu (kernel/softirq.c:786)
[  243.565558][ T4595]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  243.565561][ T4595] RIP: 0033:0x7f7889de3312
[  243.565564][ T4595] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  243.565566][ T4595] RSP: 002b:00007ffdb1e190c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  243.565569][ T4595] RAX: ffffffffffffffda RBX: 00007ffdb1e191f8 RCX: 00007f7889de3312
[  243.565570][ T4595] RDX: 0000000000000044 RSI: 00007f78859bac90 RDI: 0000000000000020
[  243.565571][ T4595] RBP: 00007ffdb1e190f0 R08: 00007ffdb1e19270 R09: 000000000000000c
[  243.565572][ T4595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7887c460b0
[  243.565573][ T4595] R13: 00007ffdb1e191f8 R14: 00007f788970201a R15: 00007ffdb1e195e8
| [  244.837320][ T4648] softirqs last disabled at (389324): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  244.837322][ T4648] Preemption disabled at:
| [  244.837322][ T4648] vprintk_emit (kernel/printk/printk.c:2471)
| [  244.837331][ T4648] Tainted: [W]=WARN
[  244.837332][ T4648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  244.837334][ T4648] Call Trace:
[  244.837336][ T4648]  <TASK>
[  244.837337][ T4648]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  244.837343][ T4648]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  244.837345][ T4648]  __might_resched.cold (kernel/sched/core.c:9234)
[  244.837350][ T4648]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  244.837354][ T4648]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  244.837359][ T4648]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  244.837361][ T4648]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.837367][ T4648]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  244.837370][ T4648]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.837374][ T4648]  put_chars (drivers/char/virtio_console.c:1176)
[  244.837376][ T4648]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  244.837380][ T4648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  244.837383][ T4648]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  244.837387][ T4648]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  244.837392][ T4648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.837393][ T4648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.837398][ T4648]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  244.837402][ T4648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.837404][ T4648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.837408][ T4648]  console_emit_next_record (kernel/printk/printk.c:3183)
[  244.837413][ T4648]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  244.837415][ T4648]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  244.837418][ T4648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.837420][ T4648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.837424][ T4648]  console_flush_one_record (kernel/printk/printk.c:3268)
[  244.837428][ T4648]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  244.837430][ T4648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.837436][ T4648]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  244.837439][ T4648]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  244.837441][ T4648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.837443][ T4648]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  244.837446][ T4648]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  244.837448][ T4648]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  244.837451][ T4648]  vprintk_emit (kernel/printk/printk.c:2479)
[  244.837455][ T4648]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  244.837460][ T4648]  _printk (kernel/printk/printk.c:2504)
[  244.837464][ T4648]  ? snapshot_read.cold (user.c:?)
[  244.837467][ T4648]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  244.837470][ T4648]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  244.837474][ T4648]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  244.837476][ T4648]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  244.837486][ T4648]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  244.837490][ T4648]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  244.837493][ T4648]  ? netdev_notice (net/core/dev.c:13194)
[  244.837495][ T4648]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  244.837504][ T4648]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  244.837506][ T4648]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  244.837511][ T4648]  netif_set_promiscuity (net/core/dev.c:9699)
[  244.837515][ T4648]  dev_set_promiscuity (net/core/dev_api.c:288)
[  244.837517][ T4648]  ? dev_disable_lro (net/core/dev_api.c:267)
[  244.837519][ T4648] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  244.837525][ T4648] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  244.837530][ T4648] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  244.837534][ T4648]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  244.837539][ T4648] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  244.837545][ T4648]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  244.837548][ T4648]  ? __nla_validate_parse (lib/nlattr.c:635)
[  244.837555][ T4648]  ? __nla_parse (lib/nlattr.c:732)
[  244.837557][ T4648]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  244.837562][ T4648]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  244.837566][ T4648]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  244.837574][ T4648]  ? security_capable (security/security.c:660 (discriminator 11))
[  244.837579][ T4648]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  244.837583][ T4648]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  244.837585][ T4648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  244.837588][ T4648]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  244.837592][ T4648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.837598][ T4648]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  244.837601][ T4648]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  244.837603][ T4648]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  244.837607][ T4648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  244.837614][ T4648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  244.837616][ T4648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  244.837620][ T4648]  genl_rcv (net/netlink/genetlink.c:1218)
[  244.837623][ T4648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  244.837627][ T4648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  244.837629][ T4648]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  244.837634][ T4648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.837638][ T4648]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  244.837642][ T4648]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  244.837644][ T4648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.837647][ T4648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.837652][ T4648]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  244.837655][ T4648]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  244.837659][ T4648]  __sys_sendto (net/socket.c:2281)
[  244.837662][ T4648]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  244.837667][ T4648]  ? do_futex (kernel/futex/syscalls.c:133)
[  244.837671][ T4648]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  244.837677][ T4648]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  244.837684][ T4648]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  244.837687][ T4648]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  244.837690][ T4648]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  244.837693][ T4648]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  244.837696][ T4648]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  244.837698][ T4648]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  244.837701][ T4648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  244.837703][ T4648] RIP: 0033:0x7f9970766312
[  244.837707][ T4648] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  244.837709][ T4648] RSP: 002b:00007ffe166046c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  244.837712][ T4648] RAX: ffffffffffffffda RBX: 00007ffe166047f8 RCX: 00007f9970766312
[  244.837713][ T4648] RDX: 0000000000000030 RSI: 00007f996c37a570 RDI: 0000000000000023
[  244.837714][ T4648] RBP: 00007ffe166046f0 R08: 00007ffe16604870 R09: 000000000000000c
[  244.837715][ T4648] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f996e5c6190
[  244.837716][ T4648] R13: 00007ffe166047f8 R14: 00007f997008501a R15: 00007ffe16604be8
| [  245.996223][ T4688] softirqs last disabled at (373318): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  245.996225][ T4688] Preemption disabled at:
| [  245.996226][ T4688] vprintk_emit (kernel/printk/printk.c:2471)
| [  245.996234][ T4688] Tainted: [W]=WARN
[  245.996235][ T4688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  245.996237][ T4688] Call Trace:
[  245.996238][ T4688]  <TASK>
[  245.996240][ T4688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  245.996246][ T4688]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  245.996248][ T4688]  __might_resched.cold (kernel/sched/core.c:9234)
[  245.996253][ T4688]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  245.996257][ T4688]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  245.996261][ T4688]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  245.996263][ T4688]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  245.996270][ T4688]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  245.996273][ T4688]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  245.996277][ T4688]  put_chars (drivers/char/virtio_console.c:1176)
[  245.996279][ T4688]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  245.996283][ T4688]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  245.996286][ T4688]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  245.996291][ T4688]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  245.996295][ T4688]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.996297][ T4688]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.996302][ T4688]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  245.996305][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.996308][ T4688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.996312][ T4688]  console_emit_next_record (kernel/printk/printk.c:3183)
[  245.996316][ T4688]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  245.996318][ T4688]  ? 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))
[  245.996321][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.996323][ T4688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.996327][ T4688]  console_flush_one_record (kernel/printk/printk.c:3268)
[  245.996331][ T4688]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  245.996333][ T4688]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.996339][ T4688]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  245.996342][ T4688]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  245.996344][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.996345][ T4688]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  245.996349][ T4688]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  245.996351][ T4688]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  245.996354][ T4688]  vprintk_emit (kernel/printk/printk.c:2479)
[  245.996357][ T4688]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  245.996363][ T4688]  _printk (kernel/printk/printk.c:2504)
[  245.996367][ T4688]  ? snapshot_read.cold (user.c:?)
[  245.996369][ T4688]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  245.996373][ T4688]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  245.996377][ T4688]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  245.996379][ T4688]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  245.996383][ T4688]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  245.996387][ T4688]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  245.996390][ T4688]  ? netdev_notice (net/core/dev.c:13194)
[  245.996392][ T4688]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  245.996400][ T4688]  ? 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)
[  245.996403][ T4688]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  245.996407][ T4688]  netif_set_promiscuity (net/core/dev.c:9699)
[  245.996411][ T4688]  dev_set_promiscuity (net/core/dev_api.c:288)
[  245.996413][ T4688]  ? dev_disable_lro (net/core/dev_api.c:267)
[  245.996415][ T4688] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  245.996421][ T4688] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  245.996426][ T4688] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  245.996430][ T4688]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  245.996435][ T4688] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  245.996440][ T4688]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  245.996444][ T4688]  ? __nla_validate_parse (lib/nlattr.c:635)
[  245.996451][ T4688]  ? __nla_parse (lib/nlattr.c:732)
[  245.996453][ T4688]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  245.996458][ T4688]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  245.996462][ T4688]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  245.996470][ T4688]  ? security_capable (security/security.c:660 (discriminator 11))
[  245.996475][ T4688]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  245.996479][ T4688]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  245.996481][ T4688]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  245.996489][ T4688]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  245.996494][ T4688]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.996499][ T4688]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  245.996503][ T4688]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  245.996505][ T4688]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  245.996508][ T4688]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  245.996516][ T4688]  ? 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))
[  245.996517][ T4688]  ? 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))
[  245.996521][ T4688]  genl_rcv (net/netlink/genetlink.c:1218)
[  245.996524][ T4688]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  245.996528][ T4688]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  245.996530][ T4688]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  245.996535][ T4688]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.996538][ T4688]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  245.996543][ T4688]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  245.996544][ T4688]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  245.996548][ T4688]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  245.996553][ T4688]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  245.996556][ T4688]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  245.996560][ T4688]  __sys_sendto (net/socket.c:2281)
[  245.996563][ T4688]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  245.996568][ T4688]  ? do_futex (kernel/futex/syscalls.c:133)
[  245.996572][ T4688]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  245.996578][ T4688]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  245.996585][ T4688]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  245.996588][ T4688]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  245.996591][ T4688]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  245.996594][ T4688]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  245.996596][ T4688]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  245.996598][ T4688]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  245.996601][ T4688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  245.996603][ T4688] RIP: 0033:0x7f0232b24312
[  245.996607][ T4688] 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)
[  245.996609][ T4688] RSP: 002b:00007ffecbe58de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  245.996612][ T4688] RAX: ffffffffffffffda RBX: 00007ffecbe58f18 RCX: 00007f0232b24312
[  245.996613][ T4688] RDX: 0000000000000030 RSI: 00007f023085ab70 RDI: 0000000000000023
[  245.996614][ T4688] RBP: 00007ffecbe58e10 R08: 00007ffecbe58f90 R09: 000000000000000c
[  245.996615][ T4688] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f023098e270
[  245.996616][ T4688] R13: 00007ffecbe58f18 R14: 00007f023244301a R15: 00007ffecbe59308
| [  256.139325][ T4878] softirqs last disabled at (30848): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  256.139328][ T4878] Preemption disabled at:
| [  256.139329][ T4878] vprintk_emit (kernel/printk/printk.c:2471)
| [  256.139337][ T4878] Tainted: [W]=WARN
[  256.139338][ T4878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  256.139340][ T4878] Call Trace:
[  256.139342][ T4878]  <TASK>
[  256.139343][ T4878]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  256.139349][ T4878]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  256.139351][ T4878]  __might_resched.cold (kernel/sched/core.c:9234)
[  256.139356][ T4878]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  256.139360][ T4878]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  256.139365][ T4878]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  256.139367][ T4878]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  256.139374][ T4878]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  256.139376][ T4878]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  256.139380][ T4878]  put_chars (drivers/char/virtio_console.c:1176)
[  256.139382][ T4878]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  256.139385][ T4878]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  256.139388][ T4878]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  256.139391][ T4878]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  256.139394][ T4878]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  256.139398][ T4878]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  256.139402][ T4878]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  256.139405][ T4878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  256.139407][ T4878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  256.139411][ T4878]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  256.139414][ T4878]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  256.139417][ T4878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  256.139419][ T4878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  256.139424][ T4878]  console_emit_next_record (kernel/printk/printk.c:3183)
[  256.139428][ T4878]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  256.139430][ T4878]  ? 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))
[  256.139433][ T4878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  256.139435][ T4878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  256.139440][ T4878]  console_flush_one_record (kernel/printk/printk.c:3268)
[  256.139444][ T4878]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  256.139446][ T4878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  256.139452][ T4878]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  256.139455][ T4878]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  256.139457][ T4878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  256.139459][ T4878]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  256.139463][ T4878]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  256.139465][ T4878]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  256.139468][ T4878]  vprintk_emit (kernel/printk/printk.c:2479)
[  256.139471][ T4878]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  256.139474][ T4878]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  256.139477][ T4878]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  256.139486][ T4878]  _printk (kernel/printk/printk.c:2504)
[  256.139490][ T4878]  ? snapshot_read.cold (user.c:?)
[  256.139495][ T4878]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  256.139498][ T4878]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  256.139502][ T4878]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  256.139506][ T4878]  ? netdev_notice (net/core/dev.c:13194)
[  256.139507][ T4878]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  256.139512][ T4878]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  256.139517][ T4878]  ? 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)
[  256.139520][ T4878]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  256.139524][ T4878]  netif_set_promiscuity (net/core/dev.c:9699)
[  256.139532][ T4878]  dev_set_promiscuity (net/core/dev_api.c:288)
[  256.139534][ T4878]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  256.139538][ T4878] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  256.139545][ T4878] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  256.139549][ T4878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  256.139552][ T4878]  notifier_call_chain (kernel/notifier.c:85)
[  256.139558][ T4878]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  256.139563][ T4878]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  256.139571][ T4878]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  256.139572][ T4878]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  256.139575][ T4878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  256.139576][ T4878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  256.139579][ T4878]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  256.139601][ T4878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  256.139603][ T4878]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  256.139607][ T4878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  256.139609][ T4878]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  256.139611][ T4878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  256.139616][ T4878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  256.139618][ T4878]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  256.139620][ T4878]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  256.139622][ T4878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  256.139626][ T4878]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  256.139628][ T4878]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  256.139632][ T4878]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  256.139633][ T4878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  256.139638][ T4878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  256.139640][ T4878]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  256.139644][ T4878]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  256.139647][ T4878]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  256.139650][ T4878]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  256.139657][ T4878]  ? 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))
[  256.139659][ T4878]  ? 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))
[  256.139664][ T4878]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  256.139668][ T4878]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  256.139670][ T4878]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  256.139675][ T4878]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  256.139679][ T4878]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  256.139683][ T4878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  256.139685][ T4878]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  256.139691][ T4878]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  256.139695][ T4878]  ____sys_sendmsg (net/socket.c:2713)
[  256.139697][ T4878]  ? copy_msghdr_from_user (net/socket.c:2650)
[  256.139700][ T4878]  ? sock_write_iter (net/socket.c:1269)
[  256.139702][ T4878]  ? move_addr_to_kernel (net/socket.c:258)
[  256.139710][ T4878]  ___sys_sendmsg (net/socket.c:2767)
[  256.139713][ T4878]  ? copy_msghdr_from_user (net/socket.c:2619)
[  256.139729][ T4878]  __sys_sendmsg (net/socket.c:2799)
[  256.139732][ T4878]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  256.139739][ T4878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  256.139742][ T4878]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  256.139746][ T4878]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  256.139749][ T4878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  256.139751][ T4878] RIP: 0033:0x7fc1074af54e
[  256.139755][ T4878] 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
[  256.139757][ T4878] RSP: 002b:00007ffe4e5c1690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  256.139760][ T4878] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc1074af54e
[  256.139762][ T4878] RDX: 0000000000000000 RSI: 00007ffe4e5c1740 RDI: 0000000000000005
[  256.139763][ T4878] RBP: 00007ffe4e5c16a0 R08: 0000000000000000 R09: 0000000000000000
[  256.139764][ T4878] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913f85
[  256.139765][ T4878] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4e5c1e00
| [  258.976224][ T4936] softirqs last disabled at (384322): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  258.976226][ T4936] Preemption disabled at:
| [  258.976227][ T4936] vprintk_emit (kernel/printk/printk.c:2471)
| [  258.976236][ T4936] Tainted: [W]=WARN
[  258.976237][ T4936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.976238][ T4936] Call Trace:
[  258.976240][ T4936]  <TASK>
[  258.976242][ T4936]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  258.976248][ T4936]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  258.976249][ T4936]  __might_resched.cold (kernel/sched/core.c:9234)
[  258.976254][ T4936]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  258.976258][ T4936]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  258.976263][ T4936]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  258.976265][ T4936]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  258.976272][ T4936]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  258.976274][ T4936]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  258.976278][ T4936]  put_chars (drivers/char/virtio_console.c:1176)
[  258.976281][ T4936]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  258.976287][ T4936]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  258.976295][ T4936]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  258.976299][ T4936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.976303][ T4936]  console_emit_next_record (kernel/printk/printk.c:3183)
[  258.976307][ T4936]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  258.976309][ T4936]  ? 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))
[  258.976313][ T4936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.976316][ T4936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.976320][ T4936]  console_flush_one_record (kernel/printk/printk.c:3268)
[  258.976324][ T4936]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  258.976326][ T4936]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  258.976332][ T4936]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  258.976335][ T4936]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  258.976337][ T4936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.976339][ T4936]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  258.976343][ T4936]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  258.976345][ T4936]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  258.976347][ T4936]  vprintk_emit (kernel/printk/printk.c:2479)
[  258.976351][ T4936]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  258.976352][ T4936]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  258.976354][ T4936]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  258.976358][ T4936]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  258.976360][ T4936]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  258.976364][ T4936]  _printk (kernel/printk/printk.c:2504)
[  258.976368][ T4936]  ? snapshot_read.cold (user.c:?)
[  258.976372][ T4936]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  258.976376][ T4936]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  258.976380][ T4936]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  258.976383][ T4936]  ? netdev_notice (net/core/dev.c:13194)
[  258.976386][ T4936]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  258.976389][ T4936]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  258.976394][ T4936]  ? register_netdevice (net/core/dev.c:11556)
[  258.976397][ T4936]  ? 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)
[  258.976400][ T4936]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  258.976402][ T4936]  ? unregister_netdev (net/core/dev.c:12699)
[  258.976404][ T4936]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  258.976407][ T4936]  netif_set_promiscuity (net/core/dev.c:9699)
[  258.976411][ T4936]  dev_set_promiscuity (net/core/dev_api.c:288)
[  258.976414][ T4936] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  258.976419][ T4936] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  258.976424][ T4936] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  258.976430][ T4936] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  258.976437][ T4936]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  258.976440][ T4936]  ? __nla_validate_parse (lib/nlattr.c:635)
[  258.976447][ T4936]  ? __nla_parse (lib/nlattr.c:732)
[  258.976449][ T4936]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  258.976454][ T4936]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.976458][ T4936]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  258.976466][ T4936]  ? security_capable (security/security.c:660 (discriminator 11))
[  258.976470][ T4936]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  258.976474][ T4936]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  258.976477][ T4936]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  258.976480][ T4936]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  258.976484][ T4936]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  258.976490][ T4936]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  258.976493][ T4936]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  258.976495][ T4936]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  258.976499][ T4936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  258.976506][ T4936]  ? 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))
[  258.976508][ T4936]  ? 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))
[  258.976512][ T4936]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.976515][ T4936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.976519][ T4936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  258.976523][ T4936]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  258.976526][ T4936]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  258.976530][ T4936]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  258.976532][ T4936]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  258.976535][ T4936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  258.976545][ T4936]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  258.976548][ T4936]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  258.976552][ T4936]  __sys_sendto (net/socket.c:2281)
[  258.976555][ T4936]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  258.976561][ T4936]  ? do_futex (kernel/futex/syscalls.c:133)
[  258.976564][ T4936]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  258.976570][ T4936]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  258.976577][ T4936]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  258.976579][ T4936]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  258.976583][ T4936]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  258.976586][ T4936]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  258.976589][ T4936]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  258.976591][ T4936]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  258.976593][ T4936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.976596][ T4936] RIP: 0033:0x7f364955a312
[  258.976599][ T4936] 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)
[  258.976601][ T4936] RSP: 002b:00007ffcd62a9bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  258.976604][ T4936] RAX: ffffffffffffffda RBX: 00007ffcd62a9cf8 RCX: 00007f364955a312
[  258.976605][ T4936] RDX: 0000000000000034 RSI: 00007f3645151a70 RDI: 0000000000000020
[  258.976606][ T4936] RBP: 00007ffcd62a9bf0 R08: 00007ffcd62a9d70 R09: 000000000000000c
[  258.976607][ T4936] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f36473ba120
[  258.976608][ T4936] R13: 00007ffcd62a9cf8 R14: 00007f3648e7901a R15: 00007ffcd62aa0e8
| [  260.479908][ T4991] softirqs last disabled at (424572): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  260.479911][ T4991] Preemption disabled at:
| [  260.479911][ T4991] vprintk_emit (kernel/printk/printk.c:2471)
| [  260.479919][ T4991] Tainted: [W]=WARN
[  260.479920][ T4991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  260.479922][ T4991] Call Trace:
[  260.479924][ T4991]  <TASK>
[  260.479925][ T4991]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  260.479931][ T4991]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  260.479933][ T4991]  __might_resched.cold (kernel/sched/core.c:9234)
[  260.479938][ T4991]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  260.479942][ T4991]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  260.479947][ T4991]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  260.479949][ T4991]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  260.479956][ T4991]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  260.479959][ T4991]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  260.479963][ T4991]  put_chars (drivers/char/virtio_console.c:1176)
[  260.479965][ T4991]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  260.479968][ T4991]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  260.479972][ T4991]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  260.479976][ T4991]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  260.479980][ T4991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  260.479982][ T4991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  260.479987][ T4991]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  260.479991][ T4991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.479993][ T4991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.479997][ T4991]  console_emit_next_record (kernel/printk/printk.c:3183)
[  260.480002][ T4991]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  260.480004][ T4991]  ? 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))
[  260.480007][ T4991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.480009][ T4991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.480013][ T4991]  console_flush_one_record (kernel/printk/printk.c:3268)
[  260.480018][ T4991]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  260.480020][ T4991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  260.480025][ T4991]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  260.480029][ T4991]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  260.480031][ T4991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.480033][ T4991]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  260.480037][ T4991]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  260.480039][ T4991]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  260.480042][ T4991]  vprintk_emit (kernel/printk/printk.c:2479)
[  260.480045][ T4991]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  260.480051][ T4991]  _printk (kernel/printk/printk.c:2504)
[  260.480055][ T4991]  ? snapshot_read.cold (user.c:?)
[  260.480058][ T4991]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  260.480061][ T4991]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  260.480065][ T4991]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  260.480067][ T4991]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  260.480071][ T4991]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  260.480075][ T4991]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  260.480078][ T4991]  ? netdev_notice (net/core/dev.c:13194)
[  260.480080][ T4991]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  260.480089][ T4991]  ? 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)
[  260.480091][ T4991]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  260.480095][ T4991]  netif_set_promiscuity (net/core/dev.c:9699)
[  260.480099][ T4991]  dev_set_promiscuity (net/core/dev_api.c:288)
[  260.480101][ T4991]  ? dev_disable_lro (net/core/dev_api.c:267)
[  260.480103][ T4991] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  260.480109][ T4991] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  260.480113][ T4991] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  260.480118][ T4991]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  260.480122][ T4991] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  260.480128][ T4991]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  260.480132][ T4991]  ? __nla_validate_parse (lib/nlattr.c:635)
[  260.480138][ T4991]  ? __nla_parse (lib/nlattr.c:732)
[  260.480140][ T4991]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  260.480145][ T4991]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  260.480149][ T4991]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  260.480158][ T4991]  ? security_capable (security/security.c:660 (discriminator 11))
[  260.480162][ T4991]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  260.480166][ T4991]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  260.480169][ T4991]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  260.480171][ T4991]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  260.480175][ T4991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  260.480181][ T4991]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  260.480185][ T4991]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  260.480187][ T4991]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  260.480190][ T4991]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  260.480198][ T4991]  ? 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))
[  260.480200][ T4991]  ? 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))
[  260.480204][ T4991]  genl_rcv (net/netlink/genetlink.c:1218)
[  260.480206][ T4991]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  260.480210][ T4991]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  260.480212][ T4991]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  260.480217][ T4991]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  260.480221][ T4991]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  260.480225][ T4991]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  260.480227][ T4991]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  260.480230][ T4991]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  260.480235][ T4991]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  260.480238][ T4991]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  260.480243][ T4991]  __sys_sendto (net/socket.c:2281)
[  260.480246][ T4991]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  260.480252][ T4991]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  260.480260][ T4991]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  260.480264][ T4991]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  260.480267][ T4991]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  260.480270][ T4991]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  260.480273][ T4991]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  260.480276][ T4991]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  260.480278][ T4991]  ? irq_exit_rcu (kernel/softirq.c:786)
[  260.480282][ T4991]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  260.480284][ T4991] RIP: 0033:0x7f20f1561312
[  260.480288][ T4991] 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)
[  260.480290][ T4991] RSP: 002b:00007ffe7ac65fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  260.480293][ T4991] RAX: ffffffffffffffda RBX: 00007ffe7ac66108 RCX: 00007f20f1561312
[  260.480294][ T4991] RDX: 0000000000000030 RSI: 00007f20ed11a770 RDI: 0000000000000023
[  260.480295][ T4991] RBP: 00007ffe7ac66000 R08: 00007ffe7ac66180 R09: 000000000000000c
[  260.480296][ T4991] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f20ef3ba2e0
[  260.480297][ T4991] R13: 00007ffe7ac66108 R14: 00007f20f0e8001a R15: 00007ffe7ac664f8
| [  262.830165][ T5085] softirqs last disabled at (374244): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  262.830168][ T5085] Preemption disabled at:
| [  262.830169][ T5085] vprintk_emit (kernel/printk/printk.c:2471)
| [  262.830178][ T5085] Tainted: [W]=WARN
[  262.830179][ T5085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  262.830180][ T5085] Call Trace:
[  262.830182][ T5085]  <TASK>
[  262.830184][ T5085]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  262.830190][ T5085]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  262.830192][ T5085]  __might_resched.cold (kernel/sched/core.c:9234)
[  262.830197][ T5085]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  262.830201][ T5085]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  262.830206][ T5085]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  262.830208][ T5085]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  262.830215][ T5085]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  262.830218][ T5085]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  262.830222][ T5085]  put_chars (drivers/char/virtio_console.c:1176)
[  262.830225][ T5085]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  262.830226][ T5085]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  262.830230][ T5085]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  262.830236][ T5085]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  262.830244][ T5085]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  262.830247][ T5085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.830249][ T5085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.830254][ T5085]  console_emit_next_record (kernel/printk/printk.c:3183)
[  262.830258][ T5085]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  262.830260][ T5085]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  262.830264][ T5085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.830266][ T5085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.830270][ T5085]  console_flush_one_record (kernel/printk/printk.c:3268)
[  262.830275][ T5085]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  262.830277][ T5085]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  262.830283][ T5085]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  262.830286][ T5085]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  262.830288][ T5085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.830290][ T5085]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  262.830294][ T5085]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  262.830296][ T5085]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  262.830299][ T5085]  vprintk_emit (kernel/printk/printk.c:2479)
[  262.830302][ T5085]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  262.830305][ T5085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  262.830310][ T5085]  _printk (kernel/printk/printk.c:2504)
[  262.830314][ T5085]  ? snapshot_read.cold (user.c:?)
[  262.830315][ T5085]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  262.830322][ T5085]  ? idr_get_free (??:?)
[  262.830324][ T5085]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  262.830334][ T5085] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  262.830342][ T5085]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  262.830347][ T5085]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  262.830350][ T5085]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  262.830352][ T5085]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  262.830354][ T5085]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  262.830357][ T5085]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  262.830359][ T5085]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  262.830361][ T5085]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  262.830363][ T5085]  ? __sys_sendto (net/socket.c:2281)
[  262.830365][ T5085]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  262.830386][ T5085]  ? __nla_parse (lib/nlattr.c:732)
[  262.830390][ T5085]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  262.830395][ T5085]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  262.830399][ T5085]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  262.830408][ T5085]  ? security_capable (security/security.c:660 (discriminator 11))
[  262.830412][ T5085]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  262.830416][ T5085]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  262.830419][ T5085]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  262.830422][ T5085]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  262.830426][ T5085]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  262.830432][ T5085]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  262.830436][ T5085]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  262.830438][ T5085]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  262.830442][ T5085]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  262.830449][ T5085]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  262.830451][ T5085]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  262.830456][ T5085]  genl_rcv (net/netlink/genetlink.c:1218)
[  262.830458][ T5085]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  262.830462][ T5085]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  262.830466][ T5085]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  262.830470][ T5085]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  262.830474][ T5085]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  262.830476][ T5085]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  262.830479][ T5085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  262.830484][ T5085]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  262.830486][ T5085]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  262.830490][ T5085]  __sys_sendto (net/socket.c:2281)
[  262.830493][ T5085]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  262.830504][ T5085]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  262.830511][ T5085]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  262.830513][ T5085]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  262.830517][ T5085]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  262.830519][ T5085]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  262.830521][ T5085]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  262.830523][ T5085]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  262.830526][ T5085]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  262.830528][ T5085] RIP: 0033:0x7f36175cf312
[  262.830532][ T5085] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  262.830534][ T5085] RSP: 002b:00007ffdef8191d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  262.830537][ T5085] RAX: ffffffffffffffda RBX: 00007ffdef819308 RCX: 00007f36175cf312
[  262.830538][ T5085] RDX: 00000000000000c4 RSI: 00007f36153311b0 RDI: 0000000000000026
[  262.830539][ T5085] RBP: 00007ffdef819200 R08: 00007ffdef819380 R09: 000000000000000c
[  262.830540][ T5085] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3615432430
[  262.830541][ T5085] R13: 00007ffdef819308 R14: 00007f3616eee01a R15: 00007ffdef8196f8
| [  264.543017][ T5131] softirqs last disabled at (395702): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  264.543020][ T5131] Preemption disabled at:
| [  264.543020][ T5131] vprintk_emit (kernel/printk/printk.c:2471)
| [  264.543029][ T5131] Tainted: [W]=WARN
[  264.543030][ T5131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  264.543032][ T5131] Call Trace:
[  264.543034][ T5131]  <TASK>
[  264.543035][ T5131]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  264.543042][ T5131]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  264.543043][ T5131]  __might_resched.cold (kernel/sched/core.c:9234)
[  264.543048][ T5131]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  264.543052][ T5131]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  264.543057][ T5131]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  264.543059][ T5131]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  264.543066][ T5131]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  264.543069][ T5131]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  264.543072][ T5131]  put_chars (drivers/char/virtio_console.c:1176)
[  264.543075][ T5131]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  264.543076][ T5131]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  264.543080][ T5131]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  264.543085][ T5131]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  264.543093][ T5131]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  264.543096][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.543098][ T5131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.543102][ T5131]  console_emit_next_record (kernel/printk/printk.c:3183)
[  264.543106][ T5131]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  264.543108][ T5131]  ? 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))
[  264.543111][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.543113][ T5131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.543117][ T5131]  console_flush_one_record (kernel/printk/printk.c:3268)
[  264.543122][ T5131]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  264.543124][ T5131]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  264.543129][ T5131]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  264.543132][ T5131]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  264.543134][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.543136][ T5131]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  264.543140][ T5131]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  264.543142][ T5131]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  264.543145][ T5131]  vprintk_emit (kernel/printk/printk.c:2479)
[  264.543148][ T5131]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  264.543150][ T5131]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  264.543155][ T5131]  _printk (kernel/printk/printk.c:2504)
[  264.543159][ T5131]  ? snapshot_read.cold (user.c:?)
[  264.543161][ T5131]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  264.543167][ T5131]  ? idr_get_free (??:?)
[  264.543169][ T5131]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  264.543178][ T5131] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  264.543186][ T5131]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  264.543190][ T5131]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  264.543193][ T5131]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  264.543195][ T5131]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  264.543197][ T5131]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  264.543200][ T5131]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  264.543202][ T5131]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  264.543204][ T5131]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  264.543206][ T5131]  ? __sys_sendto (net/socket.c:2281)
[  264.543209][ T5131]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  264.543228][ T5131]  ? __nla_parse (lib/nlattr.c:732)
[  264.543232][ T5131]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  264.543237][ T5131]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  264.543240][ T5131]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  264.543249][ T5131]  ? security_capable (security/security.c:660 (discriminator 11))
[  264.543253][ T5131]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  264.543257][ T5131]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  264.543259][ T5131]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  264.543263][ T5131]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  264.543267][ T5131]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  264.543273][ T5131]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  264.543276][ T5131]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  264.543278][ T5131]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  264.543282][ T5131]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  264.543289][ T5131]  ? 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))
[  264.543291][ T5131]  ? 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))
[  264.543295][ T5131]  genl_rcv (net/netlink/genetlink.c:1218)
[  264.543297][ T5131]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  264.543301][ T5131]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  264.543305][ T5131]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  264.543308][ T5131]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  264.543313][ T5131]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  264.543314][ T5131]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  264.543317][ T5131]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  264.543322][ T5131]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  264.543324][ T5131]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  264.543328][ T5131]  __sys_sendto (net/socket.c:2281)
[  264.543331][ T5131]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  264.543336][ T5131]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  264.543344][ T5131]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  264.543348][ T5131]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  264.543351][ T5131]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  264.543354][ T5131]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  264.543357][ T5131]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  264.543360][ T5131]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  264.543362][ T5131]  ? irq_exit_rcu (kernel/softirq.c:786)
[  264.543366][ T5131]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  264.543368][ T5131] RIP: 0033:0x7ff2c63d7312
[  264.543372][ T5131] 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)
[  264.543374][ T5131] RSP: 002b:00007ffd34e9c618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  264.543377][ T5131] RAX: ffffffffffffffda RBX: 00007ffd34e9c748 RCX: 00007ff2c63d7312
[  264.543378][ T5131] RDX: 00000000000000a4 RSI: 00007ff2c40b7930 RDI: 0000000000000026
[  264.543379][ T5131] RBP: 00007ffd34e9c640 R08: 00007ffd34e9c7c0 R09: 000000000000000c
[  264.543380][ T5131] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2c423a350
[  264.543381][ T5131] R13: 00007ffd34e9c748 R14: 00007ff2c5cf601a R15: 00007ffd34e9cb38
| [  270.013384][ T5272] softirqs last disabled at (21250): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  270.013386][ T5272] Preemption disabled at:
| [  270.013387][ T5272] vprintk_emit (kernel/printk/printk.c:2471)
| [  270.013396][ T5272] Tainted: [W]=WARN
[  270.013396][ T5272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  270.013398][ T5272] Call Trace:
[  270.013400][ T5272]  <TASK>
[  270.013401][ T5272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  270.013407][ T5272]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  270.013409][ T5272]  __might_resched.cold (kernel/sched/core.c:9234)
[  270.013413][ T5272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  270.013417][ T5272]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  270.013421][ T5272]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  270.013423][ T5272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  270.013430][ T5272]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  270.013433][ T5272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  270.013437][ T5272]  put_chars (drivers/char/virtio_console.c:1176)
[  270.013439][ T5272]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  270.013441][ T5272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  270.013444][ T5272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  270.013447][ T5272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  270.013450][ T5272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  270.013454][ T5272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  270.013458][ T5272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  270.013460][ T5272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.013462][ T5272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.013466][ T5272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  270.013469][ T5272]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  270.013472][ T5272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.013474][ T5272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.013478][ T5272]  console_emit_next_record (kernel/printk/printk.c:3183)
[  270.013482][ T5272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  270.013484][ T5272]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  270.013487][ T5272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.013489][ T5272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.013493][ T5272]  console_flush_one_record (kernel/printk/printk.c:3268)
[  270.013497][ T5272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  270.013499][ T5272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.013505][ T5272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  270.013508][ T5272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  270.013510][ T5272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.013511][ T5272]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  270.013515][ T5272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  270.013517][ T5272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  270.013520][ T5272]  vprintk_emit (kernel/printk/printk.c:2479)
[  270.013523][ T5272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  270.013526][ T5272]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  270.013529][ T5272]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  270.013538][ T5272]  _printk (kernel/printk/printk.c:2504)
[  270.013541][ T5272]  ? snapshot_read.cold (user.c:?)
[  270.013546][ T5272]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  270.013550][ T5272]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  270.013554][ T5272]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  270.013557][ T5272]  ? netdev_notice (net/core/dev.c:13194)
[  270.013558][ T5272]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  270.013563][ T5272]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  270.013568][ T5272]  ? 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)
[  270.013571][ T5272]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  270.013574][ T5272]  netif_set_promiscuity (net/core/dev.c:9699)
[  270.013578][ T5272]  dev_set_promiscuity (net/core/dev_api.c:288)
[  270.013580][ T5272]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  270.013583][ T5272] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  270.013595][ T5272] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  270.013600][ T5272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.013602][ T5272]  notifier_call_chain (kernel/notifier.c:85)
[  270.013608][ T5272]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  270.013612][ T5272]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  270.013620][ T5272]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  270.013621][ T5272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  270.013624][ T5272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.013625][ T5272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.013627][ T5272]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  270.013648][ T5272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  270.013650][ T5272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  270.013654][ T5272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  270.013656][ T5272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  270.013658][ T5272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.013662][ T5272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  270.013664][ T5272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  270.013666][ T5272]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  270.013668][ T5272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  270.013672][ T5272]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  270.013674][ T5272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  270.013677][ T5272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  270.013679][ T5272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.013683][ T5272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  270.013685][ T5272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  270.013688][ T5272]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  270.013692][ T5272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  270.013695][ T5272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  270.013701][ T5272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  270.013703][ T5272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  270.013708][ T5272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  270.013712][ T5272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  270.013714][ T5272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  270.013718][ T5272]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  270.013722][ T5272]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  270.013726][ T5272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  270.013728][ T5272]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  270.013734][ T5272]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  270.013738][ T5272]  ____sys_sendmsg (net/socket.c:2713)
[  270.013740][ T5272]  ? copy_msghdr_from_user (net/socket.c:2650)
[  270.013743][ T5272]  ? sock_write_iter (net/socket.c:1269)
[  270.013744][ T5272]  ? move_addr_to_kernel (net/socket.c:258)
[  270.013752][ T5272]  ___sys_sendmsg (net/socket.c:2767)
[  270.013754][ T5272]  ? copy_msghdr_from_user (net/socket.c:2619)
[  270.013770][ T5272]  __sys_sendmsg (net/socket.c:2799)
[  270.013773][ T5272]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  270.013779][ T5272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.013782][ T5272]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  270.013786][ T5272]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  270.013789][ T5272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  270.013791][ T5272] RIP: 0033:0x7fb93a50754e
[  270.013794][ T5272] 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
[  270.013796][ T5272] RSP: 002b:00007ffd60e65180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  270.013801][ T5272] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb93a50754e
[  270.013802][ T5272] RDX: 0000000000000000 RSI: 00007ffd60e65230 RDI: 0000000000000005
[  270.013804][ T5272] RBP: 00007ffd60e65190 R08: 0000000000000000 R09: 0000000000000000
[  270.013804][ T5272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913f93


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