======================================
| [   12.247015][  T184] softirqs last disabled at (83763): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.247018][  T184] Preemption disabled at:
| [   12.247019][  T184] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.247031][  T184] Tainted: [W]=WARN
[   12.247032][  T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.247035][  T184] Call Trace:
[   12.247037][  T184]  <TASK>
[   12.247039][  T184]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.247046][  T184]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.247049][  T184]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.247055][  T184]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.247061][  T184]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.247067][  T184]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.247071][  T184]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.247080][  T184]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.247084][  T184]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.247090][  T184]  put_chars (drivers/char/virtio_console.c:1176)
[   12.247094][  T184]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.247098][  T184]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.247103][  T184]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.247107][  T184]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.247114][  T184]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.247119][  T184]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.247122][  T184]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.247124][  T184]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.247132][  T184]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.247134][  T184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.247142][  T184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.247149][  T184]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.247155][  T184]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.247158][  T184]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.247163][  T184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.247167][  T184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.247173][  T184]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.247180][  T184]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.247183][  T184]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.247198][  T184]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.247202][  T184]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.247205][  T184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.247208][  T184]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.247214][  T184]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.247217][  T184]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.247222][  T184]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.247228][  T184]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.247237][  T184]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   12.247243][  T184]  _printk (kernel/printk/printk.c:2504)
[   12.247248][  T184]  ? snapshot_read.cold (user.c:?)
[   12.247259][  T184]  ? 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)
[   12.247265][  T184] dp_init (net/openvswitch/actions.c:729) openvswitch
[   12.247278][  T184]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   12.247282][  T184]  do_one_initcall (init/main.c:1357)
[   12.247287][  T184]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.247295][  T184]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.247298][  T184]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.247306][  T184]  do_init_module (kernel/module/main.c:3117)
[   12.247312][  T184]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.247317][  T184]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.247322][  T184]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.247329][  T184]  load_module (kernel/module/main.c:3593)
[   12.247338][  T184]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   12.247345][  T184]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.247350][  T184]  ? __ia32_sys_fsconfig (??:?)
[   12.247356][  T184]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.247361][  T184]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.247367][  T184]  init_module_from_file (kernel/module/main.c:3790)
[   12.247371][  T184]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.247385][  T184]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.247392][  T184]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.247397][  T184]  idempotent_init_module (kernel/module/main.c:3802)
[   12.247402][  T184]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.247412][  T184]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.247416][  T184]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   12.247424][  T184]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.247427][  T184]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.247432][  T184]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.247436][  T184]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.247441][  T184]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.247444][  T184] RIP: 0033:0x7f296172037d
[   12.247449][  T184] 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
[   12.247452][  T184] RSP: 002b:00007ffd77852198 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.247456][  T184] RAX: ffffffffffffffda RBX: 0000556061da3810 RCX: 00007f296172037d
[   12.247458][  T184] RDX: 0000000000000000 RSI: 00005560230ecffd RDI: 0000000000000005
[   12.247459][  T184] RBP: 00007ffd77852230 R08: 0000000000000000 R09: 646f6d2f62696c2f
[   12.247461][  T184] R10: 0000000000000000 R11: 0000000000000246 R12: 00005560230ecffd
[   12.247462][  T184] R13: 0000556061da3a90 R14: 0000000000040000 R15: 0000000000000000
| [   14.457433][  T216] softirqs last disabled at (372306): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.457436][  T216] Preemption disabled at:
| [   14.457436][  T216] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.457445][  T216] Tainted: [W]=WARN
[   14.457446][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.457448][  T216] Call Trace:
[   14.457450][  T216]  <TASK>
[   14.457451][  T216]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.457457][  T216]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.457459][  T216]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.457464][  T216]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.457468][  T216]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.457472][  T216]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.457474][  T216]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.457481][  T216]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.457483][  T216]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.457487][  T216]  put_chars (drivers/char/virtio_console.c:1176)
[   14.457489][  T216]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.457491][  T216]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   14.457495][  T216]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   14.457499][  T216]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.457503][  T216]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.457505][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.457506][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.457511][  T216]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.457512][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.457517][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.457521][  T216]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.457525][  T216]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.457527][  T216]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.457530][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.457533][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.457536][  T216]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.457541][  T216]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.457543][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.457548][  T216]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.457551][  T216]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.457553][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.457554][  T216]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.457558][  T216]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.457560][  T216]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.457563][  T216]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.457566][  T216]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.457568][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.457569][  T216]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   14.457574][  T216]  _printk (kernel/printk/printk.c:2504)
[   14.457577][  T216]  ? snapshot_read.cold (user.c:?)
[   14.457579][  T216]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   14.457585][  T216]  ? idr_get_free (??:?)
[   14.457589][  T216]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   14.457597][  T216]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.457603][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.457605][  T216]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   14.457609][  T216]  __nla_validate_parse (lib/nlattr.c:635)
[   14.457614][  T216]  __nla_parse (lib/nlattr.c:732)
[   14.457616][  T216]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   14.457621][  T216]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   14.457624][  T216]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   14.457632][  T216]  ? security_capable (security/security.c:660 (discriminator 11))
[   14.457637][  T216]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   14.457641][  T216]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   14.457643][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.457646][  T216]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   14.457655][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.457661][  T216]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   14.457664][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.457666][  T216]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   14.457669][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.457676][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.457678][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.457682][  T216]  genl_rcv (net/netlink/genetlink.c:1218)
[   14.457685][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.457689][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.457692][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.457696][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.457700][  T216]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.457701][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.457704][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.457709][  T216]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.457712][  T216]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   14.457716][  T216]  __sys_sendto (net/socket.c:2281)
[   14.457719][  T216]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.457730][  T216]  ? fput_close_sync (fs/file_table.c:617)
[   14.457733][  T216]  ? alloc_file_clone (fs/file_table.c:479)
[   14.457737][  T216]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.457740][  T216]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.457743][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.457746][  T216]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.457749][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.457751][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.457753][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.457756][  T216] RIP: 0033:0x7f4f66d76312
[   14.457760][  T216] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   14.457762][  T216] RSP: 002b:00007ffe084f6bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   14.457764][  T216] RAX: ffffffffffffffda RBX: 00007ffe084f6d28 RCX: 00007f4f66d76312
[   14.457766][  T216] RDX: 0000000000000044 RSI: 00007f4f64142f60 RDI: 0000000000000020
[   14.457770][  T216] RBP: 00007ffe084f6c20 R08: 00007ffe084f6da0 R09: 000000000000000c
[   14.457771][  T216] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f64bd6120
[   14.457772][  T216] R13: 00007ffe084f6d28 R14: 00007f4f6669501a R15: 00007ffe084f7118
| [   16.056376][  T265] softirqs last disabled at (403982): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   16.056378][  T265] Preemption disabled at:
| [   16.056378][  T265] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.056387][  T265] Tainted: [W]=WARN
[   16.056388][  T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.056389][  T265] Call Trace:
[   16.056391][  T265]  <TASK>
[   16.056393][  T265]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.056399][  T265]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.056401][  T265]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.056406][  T265]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.056410][  T265]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.056415][  T265]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.056417][  T265]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.056424][  T265]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.056426][  T265]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.056430][  T265]  put_chars (drivers/char/virtio_console.c:1176)
[   16.056433][  T265]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.056437][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.056440][  T265]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.056446][  T265]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.056450][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.056452][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.056457][  T265]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.056461][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.056463][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.056468][  T265]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.056472][  T265]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.056474][  T265]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.056478][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.056480][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.056484][  T265]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.056489][  T265]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.056491][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.056497][  T265]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.056500][  T265]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.056502][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.056504][  T265]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   16.056509][  T265]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.056511][  T265]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.056514][  T265]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.056518][  T265]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.056524][  T265]  _printk (kernel/printk/printk.c:2504)
[   16.056528][  T265]  ? snapshot_read.cold (user.c:?)
[   16.056531][  T265]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   16.056534][  T265]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   16.056539][  T265]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   16.056540][  T265]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.056545][  T265]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.056549][  T265]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.056552][  T265]  ? netdev_notice (net/core/dev.c:13194)
[   16.056554][  T265]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   16.056565][  T265]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.056568][  T265]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   16.056572][  T265]  netif_set_promiscuity (net/core/dev.c:9699)
[   16.056576][  T265]  dev_set_promiscuity (net/core/dev_api.c:288)
[   16.056578][  T265]  ? dev_disable_lro (net/core/dev_api.c:267)
[   16.056580][  T265] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   16.056586][  T265] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   16.056593][  T265] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   16.056598][  T265]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   16.056603][  T265] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   16.056610][  T265]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   16.056614][  T265]  ? __nla_validate_parse (lib/nlattr.c:635)
[   16.056620][  T265]  ? __nla_parse (lib/nlattr.c:732)
[   16.056623][  T265]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   16.056629][  T265]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   16.056633][  T265]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   16.056642][  T265]  ? security_capable (security/security.c:660 (discriminator 11))
[   16.056646][  T265]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   16.056650][  T265]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   16.056653][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.056655][  T265]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   16.056660][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.056667][  T265]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   16.056671][  T265]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.056673][  T265]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   16.056677][  T265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.056685][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.056687][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.056691][  T265]  genl_rcv (net/netlink/genetlink.c:1218)
[   16.056694][  T265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.056698][  T265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.056702][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.056706][  T265]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.056711][  T265]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.056712][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.056715][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.056721][  T265]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.056724][  T265]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   16.056728][  T265]  __sys_sendto (net/socket.c:2281)
[   16.056731][  T265]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   16.056743][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   16.056750][  T265]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   16.056753][  T265]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.056756][  T265]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.056758][  T265]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   16.056761][  T265]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.056763][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.056766][  T265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.056772][  T265] RIP: 0033:0x7f4f276ac312
[   16.056776][  T265] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   16.056778][  T265] RSP: 002b:00007ffcf7a42138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   16.056781][  T265] RAX: ffffffffffffffda RBX: 00007ffcf7a42268 RCX: 00007f4f276ac312
[   16.056782][  T265] RDX: 0000000000000030 RSI: 00007f4f242ffcb0 RDI: 0000000000000023
[   16.056783][  T265] RBP: 00007ffcf7a42160 R08: 00007ffcf7a422e0 R09: 000000000000000c
[   16.056784][  T265] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f25516200
[   16.056784][  T265] R13: 00007ffcf7a42268 R14: 00007f4f26fcb01a R15: 00007ffcf7a42658
| [   17.426050][  T308] softirqs last disabled at (395712): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   17.426052][  T308] Preemption disabled at:
| [   17.426053][  T308] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.426062][  T308] Tainted: [W]=WARN
[   17.426063][  T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.426064][  T308] Call Trace:
[   17.426066][  T308]  <TASK>
[   17.426068][  T308]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.426074][  T308]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.426076][  T308]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.426081][  T308]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.426085][  T308]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.426090][  T308]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.426092][  T308]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.426099][  T308]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.426102][  T308]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.426106][  T308]  put_chars (drivers/char/virtio_console.c:1176)
[   17.426109][  T308]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.426112][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.426115][  T308]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.426120][  T308]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.426125][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.426126][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.426132][  T308]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.426135][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.426138][  T308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.426142][  T308]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.426146][  T308]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.426148][  T308]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.426152][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.426154][  T308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.426158][  T308]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.426163][  T308]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.426165][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.426171][  T308]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.426174][  T308]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.426177][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.426178][  T308]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   17.426183][  T308]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.426185][  T308]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.426188][  T308]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.426191][  T308]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.426197][  T308]  _printk (kernel/printk/printk.c:2504)
[   17.426201][  T308]  ? snapshot_read.cold (user.c:?)
[   17.426204][  T308]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   17.426207][  T308]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   17.426211][  T308]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   17.426213][  T308]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.426217][  T308]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.426221][  T308]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.426224][  T308]  ? netdev_notice (net/core/dev.c:13194)
[   17.426226][  T308]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   17.426243][  T308]  ? 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)
[   17.426246][  T308]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   17.426250][  T308]  netif_set_promiscuity (net/core/dev.c:9699)
[   17.426254][  T308]  dev_set_promiscuity (net/core/dev_api.c:288)
[   17.426256][  T308]  ? dev_disable_lro (net/core/dev_api.c:267)
[   17.426258][  T308] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   17.426264][  T308] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   17.426269][  T308] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   17.426274][  T308]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   17.426279][  T308] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   17.426285][  T308]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   17.426289][  T308]  ? __nla_validate_parse (lib/nlattr.c:635)
[   17.426295][  T308]  ? __nla_parse (lib/nlattr.c:732)
[   17.426298][  T308]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   17.426303][  T308]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   17.426307][  T308]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   17.426316][  T308]  ? security_capable (security/security.c:660 (discriminator 11))
[   17.426321][  T308]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   17.426325][  T308]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   17.426327][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.426330][  T308]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   17.426334][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.426341][  T308]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   17.426344][  T308]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.426346][  T308]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   17.426350][  T308]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.426358][  T308]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.426360][  T308]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.426365][  T308]  genl_rcv (net/netlink/genetlink.c:1218)
[   17.426367][  T308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.426372][  T308]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.426376][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.426380][  T308]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.426384][  T308]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.426386][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.426389][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.426394][  T308]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.426397][  T308]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   17.426402][  T308]  __sys_sendto (net/socket.c:2281)
[   17.426405][  T308]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   17.426417][  T308]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   17.426424][  T308]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   17.426426][  T308]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.426430][  T308]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.426432][  T308]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   17.426435][  T308]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.426437][  T308]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.426440][  T308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.426442][  T308] RIP: 0033:0x7f54df6b1312
[   17.426446][  T308] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   17.426448][  T308] RSP: 002b:00007fff3791b888 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   17.426451][  T308] RAX: ffffffffffffffda RBX: 00007fff3791b9b8 RCX: 00007f54df6b1312
[   17.426452][  T308] RDX: 0000000000000030 RSI: 00007f54dc2bd0b0 RDI: 0000000000000023
[   17.426453][  T308] RBP: 00007fff3791b8b0 R08: 00007fff3791ba30 R09: 000000000000000c
[   17.426454][  T308] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f54dd50a2e0
[   17.426455][  T308] R13: 00007fff3791b9b8 R14: 00007f54defd001a R15: 00007fff3791bda8
| [   20.833783][  T370] softirqs last disabled at (23486): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   20.833786][  T370] Preemption disabled at:
| [   20.833787][  T370] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.833799][  T370] Tainted: [W]=WARN
[   20.833800][  T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.833802][  T370] Call Trace:
[   20.833805][  T370]  <TASK>
[   20.833807][  T370]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.833814][  T370]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.833817][  T370]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.833824][  T370]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.833829][  T370]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.833836][  T370]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.833839][  T370]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.833849][  T370]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.833852][  T370]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.833858][  T370]  put_chars (drivers/char/virtio_console.c:1176)
[   20.833862][  T370]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.833870][  T370]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   20.833876][  T370]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.833882][  T370]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.833885][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.833887][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.833894][  T370]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.833898][  T370]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   20.833904][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.833908][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.833915][  T370]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.833921][  T370]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.833924][  T370]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.833930][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.833933][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.833940][  T370]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.833947][  T370]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.833950][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.833959][  T370]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.833964][  T370]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.833967][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.833970][  T370]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   20.833976][  T370]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.833979][  T370]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.833984][  T370]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.833990][  T370]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.833994][  T370]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   20.833999][  T370]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   20.834007][  T370]  _printk (kernel/printk/printk.c:2504)
[   20.834012][  T370]  ? snapshot_read.cold (user.c:?)
[   20.834020][  T370]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.834025][  T370]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.834032][  T370]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.834036][  T370]  ? netdev_notice (net/core/dev.c:13194)
[   20.834038][  T370]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   20.834045][  T370]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   20.834055][  T370]  ? 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)
[   20.834059][  T370]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   20.834065][  T370]  netif_set_promiscuity (net/core/dev.c:9699)
[   20.834071][  T370]  dev_set_promiscuity (net/core/dev_api.c:288)
[   20.834074][  T370]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.834078][  T370] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   20.834090][  T370] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   20.834098][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.834102][  T370]  notifier_call_chain (kernel/notifier.c:85)
[   20.834111][  T370]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   20.834120][  T370]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   20.834134][  T370]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   20.834137][  T370]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.834140][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.834143][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.834146][  T370]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.834188][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.834191][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.834196][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.834199][  T370]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.834202][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.834210][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.834213][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.834216][  T370]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.834220][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.834226][  T370]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.834230][  T370]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.834236][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.834238][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.834246][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.834249][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.834255][  T370]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.834265][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.834271][  T370]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.834283][  T370]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.834286][  T370]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.834294][  T370]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.834301][  T370]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.834305][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.834313][  T370]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.834320][  T370]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.834327][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.834329][  T370]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   20.834338][  T370]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.834344][  T370]  ____sys_sendmsg (net/socket.c:2713)
[   20.834347][  T370]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.834351][  T370]  ? sock_write_iter (net/socket.c:1269)
[   20.834353][  T370]  ? move_addr_to_kernel (net/socket.c:258)
[   20.834367][  T370]  ___sys_sendmsg (net/socket.c:2767)
[   20.834372][  T370]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.834402][  T370]  __sys_sendmsg (net/socket.c:2799)
[   20.834407][  T370]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.834418][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.834424][  T370]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.834428][  T370]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.834433][  T370]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.834436][  T370] RIP: 0033:0x7fa4eecf454e
[   20.834441][  T370] 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
[   20.834443][  T370] RSP: 002b:00007ffd4aa22560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.834447][  T370] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa4eecf454e
[   20.834449][  T370] RDX: 0000000000000000 RSI: 00007ffd4aa22610 RDI: 0000000000000005
[   20.834450][  T370] RBP: 00007ffd4aa22570 R08: 0000000000000000 R09: 0000000000000000
[   20.834451][  T370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d89f
[   20.834453][  T370] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4aa22cd0
| [   21.889432][  T384] softirqs last disabled at (400766): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   21.889436][  T384] Preemption disabled at:
| [   21.889437][  T384] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.889448][  T384] Tainted: [W]=WARN
[   21.889449][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.889452][  T384] Call Trace:
[   21.889454][  T384]  <TASK>
[   21.889456][  T384]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.889464][  T384]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.889466][  T384]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.889473][  T384]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.889479][  T384]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.889486][  T384]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.889489][  T384]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.889497][  T384]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.889501][  T384]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.889507][  T384]  put_chars (drivers/char/virtio_console.c:1176)
[   21.889511][  T384]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.889513][  T384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.889518][  T384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.889526][  T384]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.889538][  T384]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.889542][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.889544][  T384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.889551][  T384]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.889558][  T384]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.889560][  T384]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.889566][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.889568][  T384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.889575][  T384]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.889583][  T384]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.889586][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.889595][  T384]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.889600][  T384]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.889603][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.889606][  T384]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.889612][  T384]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.889615][  T384]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.889621][  T384]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.889626][  T384]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.889630][  T384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.889633][  T384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.889641][  T384]  _printk (kernel/printk/printk.c:2504)
[   21.889646][  T384]  ? snapshot_read.cold (user.c:?)
[   21.889653][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.889655][  T384]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.889660][  T384]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.889667][  T384]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.889671][  T384]  ? netdev_notice (net/core/dev.c:13194)
[   21.889674][  T384]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[   21.889684][  T384]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.889693][  T384]  ? 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)
[   21.889697][  T384]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   21.889701][  T384]  netif_set_promiscuity (net/core/dev.c:9699)
[   21.889708][  T384]  dev_set_promiscuity (net/core/dev_api.c:288)
[   21.889713][  T384] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[   21.889722][  T384] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[   21.889734][  T384] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[   21.889744][  T384]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   21.889748][  T384]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   21.889764][  T384]  ? security_capable (security/security.c:660 (discriminator 11))
[   21.889772][  T384]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   21.889779][  T384]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   21.889783][  T384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.889786][  T384]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[   21.889794][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.889803][  T384]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   21.889808][  T384]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.889811][  T384]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   21.889817][  T384]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.889828][  T384]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.889831][  T384]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.889838][  T384]  genl_rcv (net/netlink/genetlink.c:1218)
[   21.889842][  T384]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.889849][  T384]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.889855][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.889862][  T384]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.889866][  T384]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.889869][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.889874][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.889883][  T384]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.889887][  T384]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   21.889892][  T384]  __sys_sendto (net/socket.c:2281)
[   21.889896][  T384]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.889905][  T384]  ? do_futex (kernel/futex/syscalls.c:133)
[   21.889910][  T384]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[   21.889920][  T384]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[   21.889927][  T384]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.889931][  T384]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.889936][  T384]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.889940][  T384]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.889943][  T384]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.889946][  T384]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.889951][  T384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.889954][  T384] RIP: 0033:0x7f2351b65312
[   21.889959][  T384] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   21.889961][  T384] RSP: 002b:00007ffca74fb828 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.889965][  T384] RAX: ffffffffffffffda RBX: 00007ffca74fb958 RCX: 00007f2351b65312
[   21.889966][  T384] RDX: 0000000000000024 RSI: 00007f234f8d5e90 RDI: 0000000000000020
[   21.889968][  T384] RBP: 00007ffca74fb850 R08: 00007ffca74fb9d0 R09: 000000000000000c
[   21.889969][  T384] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f234f9be120
[   21.889971][  T384] R13: 00007ffca74fb958 R14: 00007f235148401a R15: 00007ffca74fbd48
| [   24.608440][  T428] softirqs last disabled at (387748): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   24.608442][  T428] Preemption disabled at:
| [   24.608443][  T428] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.608452][  T428] Tainted: [W]=WARN
[   24.608454][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.608456][  T428] Call Trace:
[   24.608458][  T428]  <TASK>
[   24.608459][  T428]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.608466][  T428]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.608467][  T428]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.608472][  T428]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.608476][  T428]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.608481][  T428]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.608483][  T428]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.608490][  T428]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.608492][  T428]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.608496][  T428]  put_chars (drivers/char/virtio_console.c:1176)
[   24.608499][  T428]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.608501][  T428]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.608505][  T428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.608508][  T428]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.608512][  T428]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.608516][  T428]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.608518][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.608519][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.608524][  T428]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.608526][  T428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.608530][  T428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.608534][  T428]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.608538][  T428]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.608540][  T428]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.608543][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.608545][  T428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.608549][  T428]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.608554][  T428]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.608555][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.608561][  T428]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.608564][  T428]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.608566][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.608567][  T428]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.608571][  T428]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.608573][  T428]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.608576][  T428]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.608579][  T428]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.608581][  T428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.608583][  T428]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   24.608587][  T428]  _printk (kernel/printk/printk.c:2504)
[   24.608591][  T428]  ? snapshot_read.cold (user.c:?)
[   24.608592][  T428]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   24.608598][  T428]  ? idr_get_free (??:?)
[   24.608603][  T428]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   24.608613][  T428]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.608619][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.608621][  T428]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   24.608625][  T428]  __nla_validate_parse (lib/nlattr.c:635)
[   24.608630][  T428]  __nla_parse (lib/nlattr.c:732)
[   24.608633][  T428]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   24.608638][  T428]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   24.608642][  T428]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   24.608650][  T428]  ? security_capable (security/security.c:660 (discriminator 11))
[   24.608654][  T428]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   24.608658][  T428]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   24.608660][  T428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.608663][  T428]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   24.608671][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.608677][  T428]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   24.608680][  T428]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.608682][  T428]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   24.608686][  T428]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.608693][  T428]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.608695][  T428]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.608699][  T428]  genl_rcv (net/netlink/genetlink.c:1218)
[   24.608701][  T428]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.608705][  T428]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.608709][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.608713][  T428]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.608717][  T428]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.608718][  T428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.608721][  T428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.608726][  T428]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.608729][  T428]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   24.608733][  T428]  __sys_sendto (net/socket.c:2281)
[   24.608736][  T428]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   24.608747][  T428]  ? fput_close_sync (fs/file_table.c:617)
[   24.608751][  T428]  ? alloc_file_clone (fs/file_table.c:479)
[   24.608755][  T428]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   24.608757][  T428]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.608761][  T428]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.608764][  T428]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   24.608766][  T428]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.608772][  T428]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.608775][  T428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.608777][  T428] RIP: 0033:0x7f13782d4312
[   24.608781][  T428] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   24.608784][  T428] RSP: 002b:00007ffd0e6a69a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   24.608786][  T428] RAX: ffffffffffffffda RBX: 00007ffd0e6a6ad8 RCX: 00007f13782d4312
[   24.608788][  T428] RDX: 0000000000000040 RSI: 00007f13746b2ba0 RDI: 0000000000000020
[   24.608789][  T428] RBP: 00007ffd0e6a69d0 R08: 00007ffd0e6a6b50 R09: 000000000000000c
[   24.608790][  T428] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f137613e0b0
[   24.608790][  T428] R13: 00007ffd0e6a6ad8 R14: 00007f1377bf301a R15: 00007ffd0e6a6ec8
| [   26.163268][  T476] softirqs last disabled at (384266): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   26.163270][  T476] Preemption disabled at:
| [   26.163270][  T476] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.163279][  T476] Tainted: [W]=WARN
[   26.163280][  T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.163283][  T476] Call Trace:
[   26.163284][  T476]  <TASK>
[   26.163286][  T476]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.163292][  T476]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.163294][  T476]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.163299][  T476]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.163304][  T476]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.163315][  T476]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.163318][  T476]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.163325][  T476]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.163327][  T476]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.163331][  T476]  put_chars (drivers/char/virtio_console.c:1176)
[   26.163334][  T476]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.163337][  T476]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.163340][  T476]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.163345][  T476]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.163349][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.163351][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.163355][  T476]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.163359][  T476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.163361][  T476]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.163366][  T476]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.163370][  T476]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.163372][  T476]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.163375][  T476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.163377][  T476]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.163381][  T476]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.163386][  T476]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.163388][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.163393][  T476]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.163396][  T476]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.163398][  T476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.163400][  T476]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   26.163404][  T476]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.163406][  T476]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.163409][  T476]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.163412][  T476]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.163418][  T476]  _printk (kernel/printk/printk.c:2504)
[   26.163421][  T476]  ? snapshot_read.cold (user.c:?)
[   26.163424][  T476]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   26.163427][  T476]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   26.163431][  T476]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   26.163433][  T476]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.163437][  T476]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.163441][  T476]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.163444][  T476]  ? netdev_notice (net/core/dev.c:13194)
[   26.163446][  T476]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   26.163455][  T476]  ? 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)
[   26.163458][  T476]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   26.163462][  T476]  netif_set_promiscuity (net/core/dev.c:9699)
[   26.163465][  T476]  dev_set_promiscuity (net/core/dev_api.c:288)
[   26.163467][  T476]  ? dev_disable_lro (net/core/dev_api.c:267)
[   26.163470][  T476] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   26.163476][  T476] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   26.163482][  T476] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   26.163488][  T476]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   26.163496][  T476] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   26.163505][  T476]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   26.163509][  T476]  ? __nla_validate_parse (lib/nlattr.c:635)
[   26.163515][  T476]  ? __nla_parse (lib/nlattr.c:732)
[   26.163517][  T476]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   26.163522][  T476]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   26.163526][  T476]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   26.163535][  T476]  ? security_capable (security/security.c:660 (discriminator 11))
[   26.163539][  T476]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   26.163543][  T476]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   26.163545][  T476]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.163548][  T476]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   26.163552][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.163558][  T476]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   26.163561][  T476]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.163563][  T476]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   26.163567][  T476]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.163574][  T476]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.163576][  T476]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.163580][  T476]  genl_rcv (net/netlink/genetlink.c:1218)
[   26.163583][  T476]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.163587][  T476]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.163591][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.163594][  T476]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.163598][  T476]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.163600][  T476]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.163603][  T476]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.163608][  T476]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.163611][  T476]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   26.163615][  T476]  __sys_sendto (net/socket.c:2281)
[   26.163618][  T476]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   26.163630][  T476]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   26.163636][  T476]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   26.163638][  T476]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.163642][  T476]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.163644][  T476]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   26.163646][  T476]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.163648][  T476]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.163651][  T476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.163653][  T476] RIP: 0033:0x7fae3cb8f312
[   26.163657][  T476] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   26.163659][  T476] RSP: 002b:00007ffdfe6c75c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   26.163662][  T476] RAX: ffffffffffffffda RBX: 00007ffdfe6c76f8 RCX: 00007fae3cb8f312
[   26.163663][  T476] RDX: 0000000000000030 RSI: 00007fae387c1e30 RDI: 0000000000000023
[   26.163664][  T476] RBP: 00007ffdfe6c75f0 R08: 00007ffdfe6c7770 R09: 000000000000000c
[   26.163665][  T476] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fae3a9f2190
[   26.163666][  T476] R13: 00007ffdfe6c76f8 R14: 00007fae3c4ae01a R15: 00007ffdfe6c7ae8
| [   27.506825][  T514] softirqs last disabled at (395416): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   27.506827][  T514] Preemption disabled at:
| [   27.506828][  T514] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.506836][  T514] Tainted: [W]=WARN
[   27.506837][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.506839][  T514] Call Trace:
[   27.506841][  T514]  <TASK>
[   27.506843][  T514]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.506849][  T514]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.506851][  T514]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.506856][  T514]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.506860][  T514]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.506865][  T514]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.506867][  T514]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.506873][  T514]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.506876][  T514]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.506880][  T514]  put_chars (drivers/char/virtio_console.c:1176)
[   27.506883][  T514]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.506886][  T514]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.506889][  T514]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.506894][  T514]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.506898][  T514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.506900][  T514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.506905][  T514]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.506908][  T514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506910][  T514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506915][  T514]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.506919][  T514]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.506921][  T514]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.506925][  T514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506928][  T514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506934][  T514]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.506939][  T514]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.506941][  T514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.506947][  T514]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.506950][  T514]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.506952][  T514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506953][  T514]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.506957][  T514]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.506959][  T514]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.506962][  T514]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.506965][  T514]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.506971][  T514]  _printk (kernel/printk/printk.c:2504)
[   27.506974][  T514]  ? snapshot_read.cold (user.c:?)
[   27.506977][  T514]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   27.506980][  T514]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   27.506984][  T514]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   27.506986][  T514]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.506990][  T514]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.506994][  T514]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.506997][  T514]  ? netdev_notice (net/core/dev.c:13194)
[   27.506999][  T514]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   27.507008][  T514]  ? 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)
[   27.507010][  T514]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   27.507014][  T514]  netif_set_promiscuity (net/core/dev.c:9699)
[   27.507018][  T514]  dev_set_promiscuity (net/core/dev_api.c:288)
[   27.507020][  T514]  ? dev_disable_lro (net/core/dev_api.c:267)
[   27.507022][  T514] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   27.507028][  T514] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   27.507033][  T514] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   27.507037][  T514]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   27.507042][  T514] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   27.507048][  T514]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   27.507052][  T514]  ? __nla_validate_parse (lib/nlattr.c:635)
[   27.507058][  T514]  ? __nla_parse (lib/nlattr.c:732)
[   27.507060][  T514]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   27.507066][  T514]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   27.507069][  T514]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   27.507078][  T514]  ? security_capable (security/security.c:660 (discriminator 11))
[   27.507082][  T514]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   27.507086][  T514]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   27.507089][  T514]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.507091][  T514]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   27.507095][  T514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.507101][  T514]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   27.507104][  T514]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.507106][  T514]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   27.507110][  T514]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.507117][  T514]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.507119][  T514]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.507124][  T514]  genl_rcv (net/netlink/genetlink.c:1218)
[   27.507126][  T514]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.507130][  T514]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.507136][  T514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.507142][  T514]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.507146][  T514]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.507148][  T514]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.507151][  T514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.507156][  T514]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.507159][  T514]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   27.507163][  T514]  __sys_sendto (net/socket.c:2281)
[   27.507166][  T514]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.507177][  T514]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   27.507184][  T514]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.507186][  T514]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.507190][  T514]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.507192][  T514]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.507194][  T514]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.507197][  T514]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.507199][  T514]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.507201][  T514] RIP: 0033:0x7fb2a50ac312
[   27.507205][  T514] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   27.507207][  T514] RSP: 002b:00007ffe2ca5b338 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   27.507210][  T514] RAX: ffffffffffffffda RBX: 00007ffe2ca5b468 RCX: 00007fb2a50ac312
[   27.507211][  T514] RDX: 0000000000000030 RSI: 00007fb2a0cd6130 RDI: 0000000000000023
[   27.507212][  T514] RBP: 00007ffe2ca5b360 R08: 00007ffe2ca5b4e0 R09: 000000000000000c
[   27.507213][  T514] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb2a2f16270
[   27.507214][  T514] R13: 00007ffe2ca5b468 R14: 00007fb2a49cb01a R15: 00007ffe2ca5b858
| [   46.842558][  T669] softirqs last disabled at (18862): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   46.842561][  T669] Preemption disabled at:
| [   46.842561][  T669] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.842570][  T669] Tainted: [W]=WARN
[   46.842571][  T669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.842573][  T669] Call Trace:
[   46.842575][  T669]  <TASK>
[   46.842576][  T669]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.842582][  T669]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.842584][  T669]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.842588][  T669]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.842592][  T669]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.842597][  T669]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.842599][  T669]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.842606][  T669]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.842608][  T669]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.842612][  T669]  put_chars (drivers/char/virtio_console.c:1176)
[   46.842614][  T669]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   46.842616][  T669]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.842619][  T669]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.842622][  T669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.842625][  T669]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.842629][  T669]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.842633][  T669]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   46.842635][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.842637][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.842641][  T669]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.842644][  T669]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   46.842647][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.842649][  T669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.842653][  T669]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.842658][  T669]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.842659][  T669]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   46.842663][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.842664][  T669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.842668][  T669]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.842673][  T669]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.842675][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.842680][  T669]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.842683][  T669]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.842685][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.842687][  T669]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   46.842691][  T669]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.842693][  T669]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.842695][  T669]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.842699][  T669]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.842700][  T669]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   46.842705][  T669]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   46.842710][  T669]  _printk (kernel/printk/printk.c:2504)
[   46.842713][  T669]  ? snapshot_read.cold (user.c:?)
[   46.842718][  T669]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.842722][  T669]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.842726][  T669]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.842729][  T669]  ? netdev_notice (net/core/dev.c:13194)
[   46.842730][  T669]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   46.842734][  T669]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   46.842740][  T669]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.842742][  T669]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   46.842746][  T669]  netif_set_promiscuity (net/core/dev.c:9699)
[   46.842749][  T669]  dev_set_promiscuity (net/core/dev_api.c:288)
[   46.842751][  T669]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.842754][  T669] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   46.842762][  T669] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   46.842767][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.842772][  T669]  notifier_call_chain (kernel/notifier.c:85)
[   46.842778][  T669]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   46.842783][  T669]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   46.842791][  T669]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   46.842792][  T669]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   46.842794][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.842796][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.842798][  T669]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   46.842820][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.842822][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.842825][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.842827][  T669]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   46.842829][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.842834][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.842836][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.842838][  T669]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   46.842839][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.842843][  T669]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   46.842845][  T669]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.842849][  T669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.842850][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.842855][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.842857][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.842860][  T669]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.842863][  T669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.842866][  T669]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.842873][  T669]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.842875][  T669]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.842879][  T669]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.842883][  T669]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.842886][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.842890][  T669]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.842894][  T669]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.842898][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.842900][  T669]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   46.842905][  T669]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   46.842910][  T669]  ____sys_sendmsg (net/socket.c:2713)
[   46.842912][  T669]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.842915][  T669]  ? sock_write_iter (net/socket.c:1269)
[   46.842916][  T669]  ? move_addr_to_kernel (net/socket.c:258)
[   46.842924][  T669]  ___sys_sendmsg (net/socket.c:2767)
[   46.842927][  T669]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.842943][  T669]  __sys_sendmsg (net/socket.c:2799)
[   46.842946][  T669]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.842952][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.842955][  T669]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.842958][  T669]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.842961][  T669]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.842964][  T669] RIP: 0033:0x7f7b9b56254e
[   46.842967][  T669] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.842969][  T669] RSP: 002b:00007ffd33d52720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.842971][  T669] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7b9b56254e
[   46.842973][  T669] RDX: 0000000000000000 RSI: 00007ffd33d527d0 RDI: 0000000000000005
[   46.842974][  T669] RBP: 00007ffd33d52730 R08: 0000000000000000 R09: 0000000000000000
[   46.842974][  T669] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8b9
[   46.842975][  T669] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd33d52e90
| [   47.877565][  T683] softirqs last disabled at (394988): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   47.877568][  T683] Preemption disabled at:
| [   47.877568][  T683] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.877577][  T683] Tainted: [W]=WARN
[   47.877578][  T683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.877580][  T683] Call Trace:
[   47.877581][  T683]  <TASK>
[   47.877583][  T683]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.877589][  T683]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.877591][  T683]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.877595][  T683]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.877600][  T683]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.877604][  T683]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.877606][  T683]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.877613][  T683]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.877616][  T683]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.877620][  T683]  put_chars (drivers/char/virtio_console.c:1176)
[   47.877622][  T683]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.877624][  T683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.877628][  T683]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.877633][  T683]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.877641][  T683]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.877644][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.877646][  T683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.877650][  T683]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.877654][  T683]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.877656][  T683]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   47.877660][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.877661][  T683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.877665][  T683]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.877670][  T683]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.877672][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.877678][  T683]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.877681][  T683]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.877682][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.877684][  T683]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   47.877688][  T683]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.877690][  T683]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.877693][  T683]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.877696][  T683]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.877698][  T683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.877701][  T683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.877705][  T683]  _printk (kernel/printk/printk.c:2504)
[   47.877709][  T683]  ? snapshot_read.cold (user.c:?)
[   47.877713][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.877714][  T683]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.877718][  T683]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.877722][  T683]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.877725][  T683]  ? netdev_notice (net/core/dev.c:13194)
[   47.877727][  T683]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[   47.877733][  T683]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.877739][  T683]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.877741][  T683]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   47.877745][  T683]  netif_set_promiscuity (net/core/dev.c:9699)
[   47.877750][  T683]  dev_set_promiscuity (net/core/dev_api.c:288)
[   47.877753][  T683] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[   47.877759][  T683] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[   47.877766][  T683] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[   47.877775][  T683]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   47.877779][  T683]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   47.877788][  T683]  ? security_capable (security/security.c:660 (discriminator 11))
[   47.877792][  T683]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   47.877796][  T683]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   47.877799][  T683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.877801][  T683]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[   47.877805][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.877811][  T683]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   47.877815][  T683]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.877817][  T683]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   47.877820][  T683]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.877828][  T683]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.877830][  T683]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.877834][  T683]  genl_rcv (net/netlink/genetlink.c:1218)
[   47.877836][  T683]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.877841][  T683]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.877844][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.877848][  T683]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.877853][  T683]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.877855][  T683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.877858][  T683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.877863][  T683]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   47.877866][  T683]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   47.877870][  T683]  __sys_sendto (net/socket.c:2281)
[   47.877873][  T683]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   47.877879][  T683]  ? do_futex (kernel/futex/syscalls.c:138)
[   47.877882][  T683]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[   47.877889][  T683]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[   47.877893][  T683]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   47.877895][  T683]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.877899][  T683]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   47.877901][  T683]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   47.877904][  T683]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.877906][  T683]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.877909][  T683]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.877911][  T683] RIP: 0033:0x7f2ac4824312
[   47.877914][  T683] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   47.877916][  T683] RSP: 002b:00007ffe2ddb28c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.877918][  T683] RAX: ffffffffffffffda RBX: 00007ffe2ddb29f8 RCX: 00007f2ac4824312
[   47.877920][  T683] RDX: 0000000000000020 RSI: 00007f2ac03a9ec0 RDI: 0000000000000020
[   47.877920][  T683] RBP: 00007ffe2ddb28f0 R08: 00007ffe2ddb2a70 R09: 000000000000000c
[   47.877921][  T683] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ac268e0b0
[   47.877922][  T683] R13: 00007ffe2ddb29f8 R14: 00007f2ac414301a R15: 00007ffe2ddb2de8
| [   50.532291][  T726] softirqs last disabled at (379548): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   50.532294][  T726] Preemption disabled at:
| [   50.532294][  T726] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.532303][  T726] Tainted: [W]=WARN
[   50.532304][  T726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.532306][  T726] Call Trace:
[   50.532308][  T726]  <TASK>
[   50.532310][  T726]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.532316][  T726]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.532317][  T726]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.532322][  T726]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.532326][  T726]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.532331][  T726]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.532332][  T726]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.532339][  T726]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.532342][  T726]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.532346][  T726]  put_chars (drivers/char/virtio_console.c:1176)
[   50.532348][  T726]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.532351][  T726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.532354][  T726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.532357][  T726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.532361][  T726]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.532365][  T726]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.532367][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.532368][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.532373][  T726]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.532374][  T726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.532379][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.532383][  T726]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.532387][  T726]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.532389][  T726]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   50.532392][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.532394][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.532398][  T726]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.532403][  T726]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.532404][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.532410][  T726]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.532413][  T726]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.532415][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.532416][  T726]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   50.532420][  T726]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.532422][  T726]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.532425][  T726]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.532428][  T726]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.532430][  T726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.532432][  T726]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   50.532436][  T726]  _printk (kernel/printk/printk.c:2504)
[   50.532440][  T726]  ? snapshot_read.cold (user.c:?)
[   50.532442][  T726]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   50.532447][  T726]  ? idr_get_free (??:?)
[   50.532452][  T726]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   50.532462][  T726]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.532468][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.532469][  T726]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   50.532474][  T726]  __nla_validate_parse (lib/nlattr.c:635)
[   50.532479][  T726]  __nla_parse (lib/nlattr.c:732)
[   50.532482][  T726]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   50.532486][  T726]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   50.532490][  T726]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   50.532498][  T726]  ? security_capable (security/security.c:660 (discriminator 11))
[   50.532502][  T726]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   50.532506][  T726]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   50.532509][  T726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.532511][  T726]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   50.532519][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.532532][  T726]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   50.532535][  T726]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.532537][  T726]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   50.532541][  T726]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.532548][  T726]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.532550][  T726]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.532554][  T726]  genl_rcv (net/netlink/genetlink.c:1218)
[   50.532556][  T726]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.532560][  T726]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.532564][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.532568][  T726]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.532572][  T726]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.532573][  T726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.532576][  T726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.532581][  T726]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   50.532584][  T726]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   50.532588][  T726]  __sys_sendto (net/socket.c:2281)
[   50.532591][  T726]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   50.532601][  T726]  ? fput_close_sync (fs/file_table.c:617)
[   50.532604][  T726]  ? alloc_file_clone (fs/file_table.c:479)
[   50.532608][  T726]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   50.532611][  T726]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.532615][  T726]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   50.532617][  T726]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   50.532619][  T726]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.532621][  T726]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.532624][  T726]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.532626][  T726] RIP: 0033:0x7fca3b2e1312
[   50.532630][  T726] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   50.532631][  T726] RSP: 002b:00007ffebf8c24f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   50.532634][  T726] RAX: ffffffffffffffda RBX: 00007ffebf8c2628 RCX: 00007fca3b2e1312
[   50.532635][  T726] RDX: 0000000000000040 RSI: 00007fca386a3050 RDI: 0000000000000020
[   50.532636][  T726] RBP: 00007ffebf8c2520 R08: 00007ffebf8c26a0 R09: 000000000000000c
[   50.532637][  T726] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fca3913a0b0
[   50.532638][  T726] R13: 00007ffebf8c2628 R14: 00007fca3ac0001a R15: 00007ffebf8c2a18
| [   52.087019][  T774] softirqs last disabled at (373580): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   52.087021][  T774] Preemption disabled at:
| [   52.087021][  T774] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.087030][  T774] Tainted: [W]=WARN
[   52.087031][  T774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.087033][  T774] Call Trace:
[   52.087034][  T774]  <TASK>
[   52.087036][  T774]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.087042][  T774]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.087043][  T774]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.087048][  T774]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.087053][  T774]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.087057][  T774]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.087059][  T774]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.087065][  T774]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.087068][  T774]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.087071][  T774]  put_chars (drivers/char/virtio_console.c:1176)
[   52.087074][  T774]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.087077][  T774]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.087080][  T774]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.087085][  T774]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.087089][  T774]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.087091][  T774]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.087095][  T774]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.087099][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.087101][  T774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.087105][  T774]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.087109][  T774]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.087111][  T774]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   52.087115][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.087116][  T774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.087120][  T774]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.087125][  T774]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.087126][  T774]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.087132][  T774]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.087135][  T774]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.087137][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.087138][  T774]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   52.087142][  T774]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.087144][  T774]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.087147][  T774]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.087150][  T774]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.087155][  T774]  _printk (kernel/printk/printk.c:2504)
[   52.087159][  T774]  ? snapshot_read.cold (user.c:?)
[   52.087162][  T774]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   52.087165][  T774]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   52.087169][  T774]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   52.087171][  T774]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.087174][  T774]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.087178][  T774]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.087181][  T774]  ? netdev_notice (net/core/dev.c:13194)
[   52.087183][  T774]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   52.087192][  T774]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.087195][  T774]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   52.087198][  T774]  netif_set_promiscuity (net/core/dev.c:9699)
[   52.087202][  T774]  dev_set_promiscuity (net/core/dev_api.c:288)
[   52.087204][  T774]  ? dev_disable_lro (net/core/dev_api.c:267)
[   52.087206][  T774] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   52.087211][  T774] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   52.087216][  T774] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   52.087221][  T774]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   52.087225][  T774] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   52.087231][  T774]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   52.087235][  T774]  ? __nla_validate_parse (lib/nlattr.c:635)
[   52.087241][  T774]  ? __nla_parse (lib/nlattr.c:732)
[   52.087243][  T774]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   52.087248][  T774]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   52.087252][  T774]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   52.087260][  T774]  ? security_capable (security/security.c:660 (discriminator 11))
[   52.087265][  T774]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   52.087268][  T774]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   52.087271][  T774]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.087273][  T774]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   52.087277][  T774]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.087283][  T774]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   52.087286][  T774]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.087288][  T774]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   52.087292][  T774]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.087299][  T774]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.087301][  T774]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.087305][  T774]  genl_rcv (net/netlink/genetlink.c:1218)
[   52.087307][  T774]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.087311][  T774]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.087313][  T774]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   52.087318][  T774]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.087321][  T774]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.087325][  T774]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.087327][  T774]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.087330][  T774]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.087335][  T774]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.087338][  T774]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   52.087342][  T774]  __sys_sendto (net/socket.c:2281)
[   52.087345][  T774]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   52.087356][  T774]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   52.087362][  T774]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   52.087364][  T774]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.087368][  T774]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   52.087369][  T774]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   52.087372][  T774]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.087374][  T774]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.087377][  T774]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.087379][  T774] RIP: 0033:0x7fb419cee312
[   52.087382][  T774] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   52.087384][  T774] RSP: 002b:00007ffc6252c4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   52.087387][  T774] RAX: ffffffffffffffda RBX: 00007ffc6252c5d8 RCX: 00007fb419cee312
[   52.087388][  T774] RDX: 0000000000000030 RSI: 00007fb4158cea30 RDI: 0000000000000023
[   52.087389][  T774] RBP: 00007ffc6252c4d0 R08: 00007ffc6252c650 R09: 000000000000000c
[   52.087390][  T774] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb417b4e190
[   52.087391][  T774] R13: 00007ffc6252c5d8 R14: 00007fb41960d01a R15: 00007ffc6252c9c8
| [   53.549818][  T812] softirqs last disabled at (382438): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   53.549820][  T812] Preemption disabled at:
| [   53.549820][  T812] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.549829][  T812] Tainted: [W]=WARN
[   53.549830][  T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.549832][  T812] Call Trace:
[   53.549834][  T812]  <TASK>
[   53.549836][  T812]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.549842][  T812]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.549844][  T812]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.549849][  T812]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.549853][  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)
[   53.549858][  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))
[   53.549860][  T812]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.549866][  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)
[   53.549869][  T812]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.549873][  T812]  put_chars (drivers/char/virtio_console.c:1176)
[   53.549875][  T812]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.549879][  T812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.549882][  T812]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.549887][  T812]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.549891][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.549892][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.549897][  T812]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.549901][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.549903][  T812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.549907][  T812]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.549912][  T812]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.549913][  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))
[   53.549917][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.549919][  T812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.549923][  T812]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.549927][  T812]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.549929][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.549934][  T812]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.549937][  T812]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.549939][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.549941][  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)
[   53.549945][  T812]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.549947][  T812]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.549949][  T812]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.549953][  T812]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.549958][  T812]  _printk (kernel/printk/printk.c:2504)
[   53.549961][  T812]  ? snapshot_read.cold (user.c:?)
[   53.549964][  T812]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   53.549968][  T812]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   53.549972][  T812]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   53.549973][  T812]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.549977][  T812]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.549981][  T812]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.549984][  T812]  ? netdev_notice (net/core/dev.c:13194)
[   53.549986][  T812]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   53.549996][  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)
[   53.549999][  T812]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   53.550002][  T812]  netif_set_promiscuity (net/core/dev.c:9699)
[   53.550006][  T812]  dev_set_promiscuity (net/core/dev_api.c:288)
[   53.550008][  T812]  ? dev_disable_lro (net/core/dev_api.c:267)
[   53.550010][  T812] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   53.550016][  T812] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   53.550021][  T812] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   53.550025][  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
[   53.550030][  T812] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   53.550036][  T812]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   53.550039][  T812]  ? __nla_validate_parse (lib/nlattr.c:635)
[   53.550045][  T812]  ? __nla_parse (lib/nlattr.c:732)
[   53.550048][  T812]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   53.550053][  T812]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   53.550056][  T812]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   53.550065][  T812]  ? security_capable (security/security.c:660 (discriminator 11))
[   53.550069][  T812]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   53.550073][  T812]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   53.550076][  T812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.550078][  T812]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   53.550082][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.550088][  T812]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   53.550091][  T812]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.550093][  T812]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   53.550097][  T812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.550104][  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))
[   53.550106][  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))
[   53.550110][  T812]  genl_rcv (net/netlink/genetlink.c:1218)
[   53.550112][  T812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.550116][  T812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.550120][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.550123][  T812]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.550127][  T812]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.550129][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.550132][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.550137][  T812]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   53.550140][  T812]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   53.550144][  T812]  __sys_sendto (net/socket.c:2281)
[   53.550147][  T812]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   53.550158][  T812]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   53.550164][  T812]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   53.550166][  T812]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.550170][  T812]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   53.550172][  T812]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   53.550174][  T812]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.550176][  T812]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.550179][  T812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.550181][  T812] RIP: 0033:0x7f8cee211312
[   53.550185][  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)
[   53.550186][  T812] RSP: 002b:00007ffd0c77e138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   53.550189][  T812] RAX: ffffffffffffffda RBX: 00007ffd0c77e268 RCX: 00007f8cee211312
[   53.550190][  T812] RDX: 0000000000000030 RSI: 00007f8ce9e1a430 RDI: 0000000000000023
[   53.550191][  T812] RBP: 00007ffd0c77e160 R08: 00007ffd0c77e2e0 R09: 000000000000000c
[   53.550192][  T812] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8cec06a270
[   53.550193][  T812] R13: 00007ffd0c77e268 R14: 00007f8cedb3001a R15: 00007ffd0c77e658
| [   59.676759][  T899] softirqs last disabled at (28942): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   59.676762][  T899] Preemption disabled at:
| [   59.676763][  T899] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.676777][  T899] Tainted: [W]=WARN
[   59.676778][  T899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.676781][  T899] Call Trace:
[   59.676783][  T899]  <TASK>
[   59.676785][  T899]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.676793][  T899]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.676796][  T899]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.676802][  T899]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.676808][  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)
[   59.676815][  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))
[   59.676818][  T899]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.676828][  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)
[   59.676832][  T899]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.676838][  T899]  put_chars (drivers/char/virtio_console.c:1176)
[   59.676841][  T899]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   59.676845][  T899]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.676850][  T899]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.676855][  T899]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.676858][  T899]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.676865][  T899]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.676870][  T899]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   59.676874][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.676876][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.676883][  T899]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.676887][  T899]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   59.676893][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.676896][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.676904][  T899]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.676910][  T899]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.676913][  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))
[   59.676919][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.676922][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.676929][  T899]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.676936][  T899]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.676939][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.676949][  T899]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.676953][  T899]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.676956][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.676959][  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)
[   59.676966][  T899]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.676969][  T899]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.676974][  T899]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.676979][  T899]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.676983][  T899]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   59.676989][  T899]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   59.676996][  T899]  _printk (kernel/printk/printk.c:2504)
[   59.677001][  T899]  ? snapshot_read.cold (user.c:?)
[   59.677009][  T899]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.677014][  T899]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.677020][  T899]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.677025][  T899]  ? netdev_notice (net/core/dev.c:13194)
[   59.677027][  T899]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   59.677034][  T899]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   59.677043][  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)
[   59.677047][  T899]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   59.677053][  T899]  netif_set_promiscuity (net/core/dev.c:9699)
[   59.677059][  T899]  dev_set_promiscuity (net/core/dev_api.c:288)
[   59.677062][  T899]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.677067][  T899] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   59.677078][  T899] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   59.677086][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.677090][  T899]  notifier_call_chain (kernel/notifier.c:85)
[   59.677099][  T899]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   59.677108][  T899]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   59.677121][  T899]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   59.677124][  T899]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   59.677127][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.677130][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.677133][  T899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   59.677175][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.677178][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.677184][  T899]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.677187][  T899]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   59.677190][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.677198][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.677202][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.677205][  T899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   59.677208][  T899]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.677215][  T899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   59.677219][  T899]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.677224][  T899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.677227][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.677235][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.677238][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.677244][  T899]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.677249][  T899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.677254][  T899]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.677266][  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))
[   59.677269][  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))
[   59.677277][  T899]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.677284][  T899]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.677288][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.677296][  T899]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.677303][  T899]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.677310][  T899]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.677313][  T899]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   59.677321][  T899]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   59.677327][  T899]  ____sys_sendmsg (net/socket.c:2713)
[   59.677331][  T899]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.677335][  T899]  ? sock_write_iter (net/socket.c:1269)
[   59.677337][  T899]  ? move_addr_to_kernel (net/socket.c:258)
[   59.677351][  T899]  ___sys_sendmsg (net/socket.c:2767)
[   59.677356][  T899]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.677387][  T899]  __sys_sendmsg (net/socket.c:2799)
[   59.677391][  T899]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.677403][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.677408][  T899]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.677413][  T899]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.677418][  T899]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.677421][  T899] RIP: 0033:0x7f0afd1d354e
[   59.677427][  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
[   59.677429][  T899] RSP: 002b:00007ffd2937f400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.677433][  T899] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0afd1d354e
[   59.677435][  T899] RDX: 0000000000000000 RSI: 00007ffd2937f4b0 RDI: 0000000000000005
[   59.677436][  T899] RBP: 00007ffd2937f410 R08: 0000000000000000 R09: 0000000000000000
[   59.677438][  T899] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8c5
[   59.677439][  T899] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2937fb70
| [   60.914978][  T914] softirqs last disabled at (397184): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   60.914982][  T914] Preemption disabled at:
| [   60.914983][  T914] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.914994][  T914] Tainted: [W]=WARN
[   60.914995][  T914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.914997][  T914] Call Trace:
[   60.914999][  T914]  <TASK>
[   60.915002][  T914]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.915009][  T914]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.915012][  T914]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.915018][  T914]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.915024][  T914]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   60.915031][  T914]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   60.915034][  T914]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.915043][  T914]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.915047][  T914]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.915053][  T914]  put_chars (drivers/char/virtio_console.c:1176)
[   60.915057][  T914]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.915059][  T914]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.915064][  T914]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.915074][  T914]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.915086][  T914]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.915090][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.915093][  T914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.915101][  T914]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.915107][  T914]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.915110][  T914]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   60.915115][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.915118][  T914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.915125][  T914]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.915132][  T914]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.915134][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.915144][  T914]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.915149][  T914]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.915151][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.915154][  T914]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   60.915160][  T914]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.915163][  T914]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.915168][  T914]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.915173][  T914]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.915176][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.915179][  T914]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.915187][  T914]  _printk (kernel/printk/printk.c:2504)
[   60.915192][  T914]  ? snapshot_read.cold (user.c:?)
[   60.915199][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.915201][  T914]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   60.915206][  T914]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   60.915213][  T914]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   60.915217][  T914]  ? netdev_notice (net/core/dev.c:13194)
[   60.915220][  T914]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[   60.915230][  T914]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   60.915239][  T914]  ? 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)
[   60.915243][  T914]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   60.915250][  T914]  netif_set_promiscuity (net/core/dev.c:9699)
[   60.915256][  T914]  dev_set_promiscuity (net/core/dev_api.c:288)
[   60.915261][  T914] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[   60.915270][  T914] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[   60.915283][  T914] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[   60.915292][  T914]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   60.915298][  T914]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   60.915313][  T914]  ? security_capable (security/security.c:660 (discriminator 11))
[   60.915319][  T914]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   60.915325][  T914]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   60.915329][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.915333][  T914]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[   60.915341][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.915351][  T914]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   60.915356][  T914]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.915359][  T914]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   60.915365][  T914]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.915377][  T914]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.915380][  T914]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.915387][  T914]  genl_rcv (net/netlink/genetlink.c:1218)
[   60.915391][  T914]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.915398][  T914]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.915404][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.915410][  T914]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.915417][  T914]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   60.915419][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.915424][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.915432][  T914]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   60.915436][  T914]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   60.915441][  T914]  __sys_sendto (net/socket.c:2281)
[   60.915446][  T914]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   60.915455][  T914]  ? do_futex (kernel/futex/syscalls.c:133)
[   60.915459][  T914]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[   60.915470][  T914]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   60.915481][  T914]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   60.915484][  T914]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   60.915489][  T914]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   60.915492][  T914]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   60.915496][  T914]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.915498][  T914]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.915503][  T914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.915506][  T914] RIP: 0033:0x7fe0726af312
[   60.915511][  T914] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   60.915513][  T914] RSP: 002b:00007fff25128ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   60.915517][  T914] RAX: ffffffffffffffda RBX: 00007fff25129028 RCX: 00007fe0726af312
[   60.915518][  T914] RDX: 0000000000000020 RSI: 00007fe071cd3e10 RDI: 0000000000000020
[   60.915520][  T914] RBP: 00007fff25128f20 R08: 00007fff251290a0 R09: 000000000000000c
[   60.915521][  T914] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0705120b0
[   60.915522][  T914] R13: 00007fff25129028 R14: 00007fe071fce01a R15: 00007fff25129418
| [   63.535680][  T958] softirqs last disabled at (392344): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   63.535682][  T958] Preemption disabled at:
| [   63.535683][  T958] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.535692][  T958] Tainted: [W]=WARN
[   63.535693][  T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.535695][  T958] Call Trace:
[   63.535697][  T958]  <TASK>
[   63.535698][  T958]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.535704][  T958]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.535706][  T958]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.535710][  T958]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.535715][  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)
[   63.535719][  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))
[   63.535721][  T958]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.535728][  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)
[   63.535731][  T958]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.535734][  T958]  put_chars (drivers/char/virtio_console.c:1176)
[   63.535737][  T958]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.535739][  T958]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.535742][  T958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.535745][  T958]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.535749][  T958]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.535753][  T958]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   63.535755][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.535757][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.535761][  T958]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.535763][  T958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.535771][  T958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.535775][  T958]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.535779][  T958]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.535781][  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))
[   63.535785][  T958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.535787][  T958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.535791][  T958]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.535795][  T958]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.535797][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.535802][  T958]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.535805][  T958]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.535807][  T958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.535809][  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)
[   63.535812][  T958]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.535814][  T958]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.535817][  T958]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.535820][  T958]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.535822][  T958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.535824][  T958]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   63.535828][  T958]  _printk (kernel/printk/printk.c:2504)
[   63.535832][  T958]  ? snapshot_read.cold (user.c:?)
[   63.535833][  T958]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   63.535839][  T958]  ? idr_get_free (??:?)
[   63.535844][  T958]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   63.535853][  T958]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.535859][  T958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.535861][  T958]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   63.535865][  T958]  __nla_validate_parse (lib/nlattr.c:635)
[   63.535870][  T958]  __nla_parse (lib/nlattr.c:732)
[   63.535872][  T958]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   63.535877][  T958]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   63.535880][  T958]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   63.535888][  T958]  ? security_capable (security/security.c:660 (discriminator 11))
[   63.535892][  T958]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   63.535896][  T958]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   63.535899][  T958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.535901][  T958]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   63.535909][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.535915][  T958]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   63.535918][  T958]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.535920][  T958]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   63.535924][  T958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.535930][  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))
[   63.535932][  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))
[   63.535936][  T958]  genl_rcv (net/netlink/genetlink.c:1218)
[   63.535939][  T958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.535943][  T958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.535946][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.535950][  T958]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.535954][  T958]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.535955][  T958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.535958][  T958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.535963][  T958]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   63.535966][  T958]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   63.535969][  T958]  __sys_sendto (net/socket.c:2281)
[   63.535973][  T958]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   63.535983][  T958]  ? fput_close_sync (fs/file_table.c:617)
[   63.535987][  T958]  ? alloc_file_clone (fs/file_table.c:479)
[   63.535991][  T958]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   63.535993][  T958]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   63.535997][  T958]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   63.536000][  T958]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   63.536002][  T958]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.536004][  T958]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.536007][  T958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.536009][  T958] RIP: 0033:0x7f59f10ac312
[   63.536012][  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)
[   63.536014][  T958] RSP: 002b:00007fffa9491928 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   63.536017][  T958] RAX: ffffffffffffffda RBX: 00007fffa9491a58 RCX: 00007f59f10ac312
[   63.536018][  T958] RDX: 0000000000000044 RSI: 00007f59eede7aa0 RDI: 0000000000000020
[   63.536019][  T958] RBP: 00007fffa9491950 R08: 00007fffa9491ad0 R09: 000000000000000c
[   63.536020][  T958] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f59eef160b0
[   63.536021][  T958] R13: 00007fffa9491a58 R14: 00007f59f09cb01a R15: 00007fffa9491e48
| [   64.909164][ T1005] softirqs last disabled at (384038): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   64.909165][ T1005] Preemption disabled at:
| [   64.909166][ T1005] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.909175][ T1005] Tainted: [W]=WARN
[   64.909176][ T1005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.909178][ T1005] Call Trace:
[   64.909180][ T1005]  <TASK>
[   64.909182][ T1005]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.909188][ T1005]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.909190][ T1005]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.909194][ T1005]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.909199][ T1005]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   64.909203][ T1005]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   64.909205][ T1005]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.909212][ T1005]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.909214][ T1005]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.909218][ T1005]  put_chars (drivers/char/virtio_console.c:1176)
[   64.909221][ T1005]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.909224][ T1005]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.909227][ T1005]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.909232][ T1005]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.909236][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.909238][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.909243][ T1005]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.909246][ T1005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.909249][ T1005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.909253][ T1005]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.909257][ T1005]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.909259][ T1005]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   64.909262][ T1005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.909265][ T1005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.909270][ T1005]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.909274][ T1005]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.909276][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.909282][ T1005]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.909285][ T1005]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.909286][ T1005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.909288][ T1005]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   64.909292][ T1005]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.909294][ T1005]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.909296][ T1005]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.909300][ T1005]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.909305][ T1005]  _printk (kernel/printk/printk.c:2504)
[   64.909309][ T1005]  ? snapshot_read.cold (user.c:?)
[   64.909312][ T1005]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   64.909315][ T1005]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   64.909319][ T1005]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   64.909321][ T1005]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.909324][ T1005]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.909328][ T1005]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.909331][ T1005]  ? netdev_notice (net/core/dev.c:13194)
[   64.909333][ T1005]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   64.909342][ T1005]  ? 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)
[   64.909345][ T1005]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   64.909349][ T1005]  netif_set_promiscuity (net/core/dev.c:9699)
[   64.909353][ T1005]  dev_set_promiscuity (net/core/dev_api.c:288)
[   64.909355][ T1005]  ? dev_disable_lro (net/core/dev_api.c:267)
[   64.909357][ T1005] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   64.909362][ T1005] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   64.909368][ T1005] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   64.909372][ T1005]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   64.909377][ T1005] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   64.909383][ T1005]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   64.909387][ T1005]  ? __nla_validate_parse (lib/nlattr.c:635)
[   64.909393][ T1005]  ? __nla_parse (lib/nlattr.c:732)
[   64.909396][ T1005]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   64.909401][ T1005]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   64.909404][ T1005]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   64.909413][ T1005]  ? security_capable (security/security.c:660 (discriminator 11))
[   64.909417][ T1005]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   64.909421][ T1005]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   64.909423][ T1005]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.909426][ T1005]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   64.909430][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.909436][ T1005]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   64.909439][ T1005]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.909441][ T1005]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   64.909445][ T1005]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.909452][ T1005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.909454][ T1005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.909458][ T1005]  genl_rcv (net/netlink/genetlink.c:1218)
[   64.909461][ T1005]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.909465][ T1005]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.909469][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.909472][ T1005]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.909476][ T1005]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.909478][ T1005]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.909481][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.909486][ T1005]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   64.909489][ T1005]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   64.909493][ T1005]  __sys_sendto (net/socket.c:2281)
[   64.909496][ T1005]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   64.909507][ T1005]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   64.909514][ T1005]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   64.909516][ T1005]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.909520][ T1005]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   64.909521][ T1005]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   64.909524][ T1005]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.909526][ T1005]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.909528][ T1005]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.909531][ T1005] RIP: 0033:0x7fd195070312
[   64.909534][ T1005] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   64.909536][ T1005] RSP: 002b:00007ffe26b57cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   64.909539][ T1005] RAX: ffffffffffffffda RBX: 00007ffe26b57e08 RCX: 00007fd195070312
[   64.909540][ T1005] RDX: 0000000000000030 RSI: 00007fd190c8e2f0 RDI: 0000000000000023
[   64.909541][ T1005] RBP: 00007ffe26b57d00 R08: 00007ffe26b57e80 R09: 000000000000000c
[   64.909542][ T1005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd192eda190
[   64.909543][ T1005] R13: 00007ffe26b57e08 R14: 00007fd19498f01a R15: 00007ffe26b581f8
| [   66.358333][ T1044] softirqs last disabled at (378442): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   66.358335][ T1044] Preemption disabled at:
| [   66.358336][ T1044] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.358345][ T1044] Tainted: [W]=WARN
[   66.358345][ T1044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.358347][ T1044] Call Trace:
[   66.358349][ T1044]  <TASK>
[   66.358350][ T1044]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.358357][ T1044]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.358358][ T1044]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.358363][ T1044]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.358367][ T1044]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.358371][ T1044]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   66.358373][ T1044]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.358380][ T1044]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.358383][ T1044]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.358386][ T1044]  put_chars (drivers/char/virtio_console.c:1176)
[   66.358389][ T1044]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.358392][ T1044]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.358395][ T1044]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.358400][ T1044]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.358404][ T1044]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.358405][ T1044]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.358410][ T1044]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.358414][ T1044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.358416][ T1044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.358420][ T1044]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.358424][ T1044]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.358426][ T1044]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   66.358429][ T1044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.358431][ T1044]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.358435][ T1044]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.358439][ T1044]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.358441][ T1044]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.358447][ T1044]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.358450][ T1044]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.358451][ T1044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.358453][ T1044]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   66.358457][ T1044]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.358459][ T1044]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.358461][ T1044]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.358465][ T1044]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.358470][ T1044]  _printk (kernel/printk/printk.c:2504)
[   66.358473][ T1044]  ? snapshot_read.cold (user.c:?)
[   66.358476][ T1044]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   66.358479][ T1044]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   66.358484][ T1044]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   66.358486][ T1044]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.358489][ T1044]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.358493][ T1044]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.358496][ T1044]  ? netdev_notice (net/core/dev.c:13194)
[   66.358498][ T1044]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   66.358507][ T1044]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.358510][ T1044]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   66.358514][ T1044]  netif_set_promiscuity (net/core/dev.c:9699)
[   66.358517][ T1044]  dev_set_promiscuity (net/core/dev_api.c:288)
[   66.358519][ T1044]  ? dev_disable_lro (net/core/dev_api.c:267)
[   66.358522][ T1044] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   66.358527][ T1044] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   66.358532][ T1044] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   66.358536][ T1044]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   66.358541][ T1044] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   66.358547][ T1044]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   66.358550][ T1044]  ? __nla_validate_parse (lib/nlattr.c:635)
[   66.358556][ T1044]  ? __nla_parse (lib/nlattr.c:732)
[   66.358559][ T1044]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   66.358564][ T1044]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   66.358567][ T1044]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   66.358575][ T1044]  ? security_capable (security/security.c:660 (discriminator 11))
[   66.358580][ T1044]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   66.358584][ T1044]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   66.358586][ T1044]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.358588][ T1044]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   66.358593][ T1044]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.358598][ T1044]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   66.358602][ T1044]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.358604][ T1044]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   66.358607][ T1044]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.358614][ T1044]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.358616][ T1044]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.358620][ T1044]  genl_rcv (net/netlink/genetlink.c:1218)
[   66.358623][ T1044]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.358627][ T1044]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.358630][ T1044]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.358634][ T1044]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.358638][ T1044]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.358640][ T1044]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.358643][ T1044]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.358648][ T1044]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   66.358651][ T1044]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   66.358654][ T1044]  __sys_sendto (net/socket.c:2281)
[   66.358658][ T1044]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   66.358675][ T1044]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   66.358682][ T1044]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   66.358684][ T1044]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.358687][ T1044]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   66.358689][ T1044]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   66.358692][ T1044]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.358693][ T1044]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.358696][ T1044]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.358699][ T1044] RIP: 0033:0x7fb432243312
[   66.358702][ T1044] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   66.358704][ T1044] RSP: 002b:00007ffdc1cf6248 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   66.358707][ T1044] RAX: ffffffffffffffda RBX: 00007ffdc1cf6378 RCX: 00007fb432243312
[   66.358708][ T1044] RDX: 0000000000000030 RSI: 00007fb42de60770 RDI: 0000000000000023
[   66.358709][ T1044] RBP: 00007ffdc1cf6270 R08: 00007ffdc1cf63f0 R09: 000000000000000c
[   66.358710][ T1044] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb4300a6270
[   66.358710][ T1044] R13: 00007ffdc1cf6378 R14: 00007fb431b6201a R15: 00007ffdc1cf6768
| [   84.758489][ T1184] softirqs last disabled at (18711): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   84.758491][ T1184] Preemption disabled at:
| [   84.758492][ T1184] vprintk_emit (kernel/printk/printk.c:2471)
| [   84.758500][ T1184] Tainted: [W]=WARN
[   84.758501][ T1184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.758503][ T1184] Call Trace:
[   84.758505][ T1184]  <TASK>
[   84.758506][ T1184]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   84.758512][ T1184]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   84.758514][ T1184]  __might_resched.cold (kernel/sched/core.c:9234)
[   84.758518][ T1184]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   84.758522][ T1184]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   84.758527][ T1184]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   84.758529][ T1184]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.758535][ T1184]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   84.758537][ T1184]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.758541][ T1184]  put_chars (drivers/char/virtio_console.c:1176)
[   84.758543][ T1184]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   84.758545][ T1184]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   84.758548][ T1184]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   84.758551][ T1184]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.758554][ T1184]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   84.758558][ T1184]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   84.758562][ T1184]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   84.758564][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.758565][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.758569][ T1184]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   84.758572][ T1184]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   84.758575][ T1184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.758577][ T1184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.758581][ T1184]  console_emit_next_record (kernel/printk/printk.c:3183)
[   84.758585][ T1184]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   84.758587][ T1184]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   84.758590][ T1184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.758591][ T1184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.758595][ T1184]  console_flush_one_record (kernel/printk/printk.c:3268)
[   84.758599][ T1184]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   84.758601][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.758606][ T1184]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   84.758609][ T1184]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   84.758611][ T1184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.758613][ T1184]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   84.758616][ T1184]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   84.758618][ T1184]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   84.758621][ T1184]  vprintk_emit (kernel/printk/printk.c:2479)
[   84.758624][ T1184]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   84.758626][ T1184]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   84.758630][ T1184]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   84.758635][ T1184]  _printk (kernel/printk/printk.c:2504)
[   84.758639][ T1184]  ? snapshot_read.cold (user.c:?)
[   84.758643][ T1184]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   84.758646][ T1184]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   84.758650][ T1184]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   84.758653][ T1184]  ? netdev_notice (net/core/dev.c:13194)
[   84.758655][ T1184]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   84.758659][ T1184]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   84.758664][ T1184]  ? 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)
[   84.758667][ T1184]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   84.758670][ T1184]  netif_set_promiscuity (net/core/dev.c:9699)
[   84.758674][ T1184]  dev_set_promiscuity (net/core/dev_api.c:288)
[   84.758675][ T1184]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   84.758679][ T1184] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   84.758687][ T1184] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   84.758692][ T1184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.758694][ T1184]  notifier_call_chain (kernel/notifier.c:85)
[   84.758700][ T1184]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   84.758705][ T1184]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   84.758712][ T1184]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   84.758714][ T1184]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   84.758716][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.758717][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.758719][ T1184]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   84.758740][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.758742][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.758745][ T1184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.758747][ T1184]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   84.758749][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.758754][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.758756][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.758758][ T1184]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   84.758759][ T1184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.758763][ T1184]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   84.758765][ T1184]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   84.758771][ T1184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.758772][ T1184]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.758777][ T1184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.758779][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.758782][ T1184]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.758786][ T1184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.758789][ T1184]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.758795][ T1184]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   84.758797][ T1184]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   84.758801][ T1184]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.758805][ T1184]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.758808][ T1184]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.758812][ T1184]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.758816][ T1184]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   84.758820][ T1184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.758821][ T1184]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   84.758832][ T1184]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.758836][ T1184]  ____sys_sendmsg (net/socket.c:2713)
[   84.758838][ T1184]  ? copy_msghdr_from_user (net/socket.c:2650)
[   84.758840][ T1184]  ? sock_write_iter (net/socket.c:1269)
[   84.758842][ T1184]  ? move_addr_to_kernel (net/socket.c:258)
[   84.758849][ T1184]  ___sys_sendmsg (net/socket.c:2767)
[   84.758852][ T1184]  ? copy_msghdr_from_user (net/socket.c:2619)
[   84.758867][ T1184]  __sys_sendmsg (net/socket.c:2799)
[   84.758870][ T1184]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   84.758876][ T1184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.758879][ T1184]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.758883][ T1184]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   84.758885][ T1184]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.758888][ T1184] RIP: 0033:0x7fd71f53154e
[   84.758891][ T1184] 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
[   84.758893][ T1184] RSP: 002b:00007ffea899a430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.758896][ T1184] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd71f53154e
[   84.758897][ T1184] RDX: 0000000000000000 RSI: 00007ffea899a4e0 RDI: 0000000000000005
[   84.758898][ T1184] RBP: 00007ffea899a440 R08: 0000000000000000 R09: 0000000000000000
[   84.758899][ T1184] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8df
[   84.758900][ T1184] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea899aba0
| [   85.810910][ T1198] softirqs last disabled at (384357): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   85.810912][ T1198] Preemption disabled at:
| [   85.810913][ T1198] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.810923][ T1198] Tainted: [W]=WARN
[   85.810924][ T1198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.810926][ T1198] Call Trace:
[   85.810928][ T1198]  <TASK>
[   85.810929][ T1198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.810936][ T1198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.810938][ T1198]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.810942][ T1198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.810947][ T1198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   85.810951][ T1198]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   85.810953][ T1198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.810960][ T1198]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   85.810963][ T1198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.810966][ T1198]  put_chars (drivers/char/virtio_console.c:1176)
[   85.810969][ T1198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.810970][ T1198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.810974][ T1198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.810980][ T1198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.810987][ T1198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.810990][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.810992][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.810997][ T1198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.811001][ T1198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.811003][ T1198]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   85.811006][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.811008][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.811012][ T1198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.811016][ T1198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.811018][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.811024][ T1198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.811027][ T1198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.811029][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.811031][ T1198]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   85.811035][ T1198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.811037][ T1198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.811039][ T1198]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.811043][ T1198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.811045][ T1198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.811047][ T1198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.811052][ T1198]  _printk (kernel/printk/printk.c:2504)
[   85.811056][ T1198]  ? snapshot_read.cold (user.c:?)
[   85.811060][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.811061][ T1198]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   85.811065][ T1198]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   85.811069][ T1198]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   85.811072][ T1198]  ? netdev_notice (net/core/dev.c:13194)
[   85.811074][ T1198]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[   85.811080][ T1198]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   85.811086][ T1198]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   85.811089][ T1198]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   85.811092][ T1198]  netif_set_promiscuity (net/core/dev.c:9699)
[   85.811097][ T1198]  dev_set_promiscuity (net/core/dev_api.c:288)
[   85.811101][ T1198] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[   85.811106][ T1198] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[   85.811113][ T1198] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[   85.811118][ T1198]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   85.811122][ T1198]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   85.811131][ T1198]  ? security_capable (security/security.c:660 (discriminator 11))
[   85.811135][ T1198]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   85.811139][ T1198]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   85.811142][ T1198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.811144][ T1198]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[   85.811148][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.811154][ T1198]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   85.811158][ T1198]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.811160][ T1198]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   85.811163][ T1198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.811171][ T1198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   85.811173][ T1198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   85.811177][ T1198]  genl_rcv (net/netlink/genetlink.c:1218)
[   85.811179][ T1198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.811184][ T1198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.811187][ T1198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.811191][ T1198]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.811195][ T1198]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   85.811197][ T1198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.811200][ T1198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.811205][ T1198]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   85.811208][ T1198]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   85.811212][ T1198]  __sys_sendto (net/socket.c:2281)
[   85.811215][ T1198]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   85.811227][ T1198]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   85.811232][ T1198]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   85.811235][ T1198]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   85.811239][ T1198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   85.811240][ T1198]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   85.811243][ T1198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.811245][ T1198]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   85.811248][ T1198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.811250][ T1198] RIP: 0033:0x7fb02dec9312
[   85.811253][ T1198] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   85.811255][ T1198] RSP: 002b:00007ffef1ab2608 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   85.811258][ T1198] RAX: ffffffffffffffda RBX: 00007ffef1ab2738 RCX: 00007fb02dec9312
[   85.811259][ T1198] RDX: 0000000000000024 RSI: 00007fb029a3a610 RDI: 0000000000000020
[   85.811260][ T1198] RBP: 00007ffef1ab2630 R08: 00007ffef1ab27b0 R09: 000000000000000c
[   85.811261][ T1198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb02bd220b0
[   85.811262][ T1198] R13: 00007ffef1ab2738 R14: 00007fb02d7e801a R15: 00007ffef1ab2b28
| [   88.463107][ T1242] softirqs last disabled at (371356): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   88.463109][ T1242] Preemption disabled at:
| [   88.463110][ T1242] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.463119][ T1242] Tainted: [W]=WARN
[   88.463120][ T1242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.463121][ T1242] Call Trace:
[   88.463123][ T1242]  <TASK>
[   88.463125][ T1242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.463131][ T1242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.463132][ T1242]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.463137][ T1242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.463141][ T1242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   88.463146][ T1242]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   88.463148][ T1242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.463154][ T1242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.463157][ T1242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.463161][ T1242]  put_chars (drivers/char/virtio_console.c:1176)
[   88.463163][ T1242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.463166][ T1242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   88.463169][ T1242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.463172][ T1242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   88.463176][ T1242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.463180][ T1242]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   88.463182][ T1242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.463184][ T1242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.463188][ T1242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.463190][ T1242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.463194][ T1242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.463198][ T1242]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.463202][ T1242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.463204][ T1242]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   88.463208][ T1242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.463210][ T1242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.463214][ T1242]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.463218][ T1242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.463220][ T1242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.463225][ T1242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.463228][ T1242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.463230][ T1242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.463232][ T1242]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   88.463236][ T1242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.463238][ T1242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.463240][ T1242]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.463243][ T1242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.463246][ T1242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.463247][ T1242]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   88.463252][ T1242]  _printk (kernel/printk/printk.c:2504)
[   88.463255][ T1242]  ? snapshot_read.cold (user.c:?)
[   88.463257][ T1242]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   88.463263][ T1242]  ? idr_get_free (??:?)
[   88.463268][ T1242]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   88.463277][ T1242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.463283][ T1242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.463285][ T1242]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   88.463290][ T1242]  __nla_validate_parse (lib/nlattr.c:635)
[   88.463294][ T1242]  __nla_parse (lib/nlattr.c:732)
[   88.463297][ T1242]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   88.463302][ T1242]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   88.463305][ T1242]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   88.463314][ T1242]  ? security_capable (security/security.c:660 (discriminator 11))
[   88.463318][ T1242]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   88.463322][ T1242]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   88.463324][ T1242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.463327][ T1242]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   88.463335][ T1242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.463341][ T1242]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   88.463344][ T1242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.463346][ T1242]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   88.463350][ T1242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.463357][ T1242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.463359][ T1242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.463363][ T1242]  genl_rcv (net/netlink/genetlink.c:1218)
[   88.463365][ T1242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.463370][ T1242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.463373][ T1242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.463377][ T1242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.463381][ T1242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.463382][ T1242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.463385][ T1242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.463390][ T1242]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   88.463393][ T1242]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   88.463397][ T1242]  __sys_sendto (net/socket.c:2281)
[   88.463400][ T1242]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   88.463411][ T1242]  ? fput_close_sync (fs/file_table.c:617)
[   88.463414][ T1242]  ? alloc_file_clone (fs/file_table.c:479)
[   88.463418][ T1242]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   88.463421][ T1242]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.463424][ T1242]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   88.463427][ T1242]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   88.463429][ T1242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.463431][ T1242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.463434][ T1242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.463436][ T1242] RIP: 0033:0x7f9513a66312
[   88.463440][ T1242] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   88.463441][ T1242] RSP: 002b:00007fff2c0b02c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   88.463444][ T1242] RAX: ffffffffffffffda RBX: 00007fff2c0b03f8 RCX: 00007f9513a66312
[   88.463445][ T1242] RDX: 0000000000000048 RSI: 00007f95118d74b0 RDI: 0000000000000020
[   88.463446][ T1242] RBP: 00007fff2c0b02f0 R08: 00007fff2c0b0470 R09: 000000000000000c
[   88.463447][ T1242] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95118c60b0
[   88.463448][ T1242] R13: 00007fff2c0b03f8 R14: 00007f951338501a R15: 00007fff2c0b07e8
| [   89.913364][ T1290] softirqs last disabled at (393674): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   89.913366][ T1290] Preemption disabled at:
| [   89.913366][ T1290] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.913375][ T1290] Tainted: [W]=WARN
[   89.913376][ T1290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.913378][ T1290] Call Trace:
[   89.913380][ T1290]  <TASK>
[   89.913381][ T1290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.913388][ T1290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.913389][ T1290]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.913394][ T1290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.913398][ T1290]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   89.913403][ T1290]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   89.913405][ T1290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.913411][ T1290]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.913414][ T1290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.913418][ T1290]  put_chars (drivers/char/virtio_console.c:1176)
[   89.913421][ T1290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.913424][ T1290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.913427][ T1290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.913432][ T1290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.913437][ T1290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.913438][ T1290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.913443][ T1290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.913447][ T1290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.913449][ T1290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.913453][ T1290]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.913457][ T1290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.913459][ T1290]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   89.913462][ T1290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.913464][ T1290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.913468][ T1290]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.913473][ T1290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.913475][ T1290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.913480][ T1290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.913483][ T1290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.913485][ T1290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.913487][ T1290]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   89.913491][ T1290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.913493][ T1290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.913496][ T1290]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.913499][ T1290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.913504][ T1290]  _printk (kernel/printk/printk.c:2504)
[   89.913509][ T1290]  ? snapshot_read.cold (user.c:?)
[   89.913512][ T1290]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   89.913515][ T1290]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   89.913519][ T1290]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   89.913520][ T1290]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.913524][ T1290]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.913528][ T1290]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.913531][ T1290]  ? netdev_notice (net/core/dev.c:13194)
[   89.913533][ T1290]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   89.913542][ T1290]  ? 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)
[   89.913544][ T1290]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   89.913548][ T1290]  netif_set_promiscuity (net/core/dev.c:9699)
[   89.913552][ T1290]  dev_set_promiscuity (net/core/dev_api.c:288)
[   89.913554][ T1290]  ? dev_disable_lro (net/core/dev_api.c:267)
[   89.913556][ T1290] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   89.913562][ T1290] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   89.913567][ T1290] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   89.913571][ T1290]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   89.913576][ T1290] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   89.913582][ T1290]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   89.913586][ T1290]  ? __nla_validate_parse (lib/nlattr.c:635)
[   89.913592][ T1290]  ? __nla_parse (lib/nlattr.c:732)
[   89.913594][ T1290]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   89.913599][ T1290]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   89.913603][ T1290]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   89.913611][ T1290]  ? security_capable (security/security.c:660 (discriminator 11))
[   89.913615][ T1290]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   89.913619][ T1290]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   89.913622][ T1290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.913624][ T1290]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   89.913629][ T1290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.913634][ T1290]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   89.913638][ T1290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.913640][ T1290]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   89.913643][ T1290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.913650][ T1290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.913652][ T1290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.913656][ T1290]  genl_rcv (net/netlink/genetlink.c:1218)
[   89.913659][ T1290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.913663][ T1290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.913666][ T1290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.913670][ T1290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.913674][ T1290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.913676][ T1290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.913679][ T1290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.913684][ T1290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.913687][ T1290]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   89.913690][ T1290]  __sys_sendto (net/socket.c:2281)
[   89.913693][ T1290]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   89.913704][ T1290]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   89.913711][ T1290]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   89.913713][ T1290]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.913717][ T1290]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   89.913719][ T1290]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   89.913722][ T1290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.913724][ T1290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.913726][ T1290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.913728][ T1290] RIP: 0033:0x7fbefae7d312
[   89.913732][ T1290] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   89.913734][ T1290] RSP: 002b:00007ffc96024a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   89.913737][ T1290] RAX: ffffffffffffffda RBX: 00007ffc96024bc8 RCX: 00007fbefae7d312
[   89.913738][ T1290] RDX: 0000000000000030 RSI: 00007fbef82b2c30 RDI: 0000000000000023
[   89.913739][ T1290] RBP: 00007ffc96024ac0 R08: 00007ffc96024c40 R09: 000000000000000c
[   89.913740][ T1290] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbef8cd6190
[   89.913741][ T1290] R13: 00007ffc96024bc8 R14: 00007fbefa79c01a R15: 00007ffc96024fb8
| [   91.303573][ T1328] softirqs last disabled at (370004): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   91.303575][ T1328] Preemption disabled at:
| [   91.303576][ T1328] vprintk_emit (kernel/printk/printk.c:2471)
| [   91.303585][ T1328] Tainted: [W]=WARN
[   91.303586][ T1328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.303588][ T1328] Call Trace:
[   91.303589][ T1328]  <TASK>
[   91.303591][ T1328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.303598][ T1328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   91.303600][ T1328]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.303604][ T1328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.303609][ T1328]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   91.303613][ T1328]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   91.303615][ T1328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.303622][ T1328]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   91.303625][ T1328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.303629][ T1328]  put_chars (drivers/char/virtio_console.c:1176)
[   91.303631][ T1328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.303634][ T1328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.303638][ T1328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   91.303642][ T1328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.303647][ T1328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.303648][ T1328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.303653][ T1328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.303657][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.303659][ T1328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.303663][ T1328]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.303668][ T1328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.303670][ T1328]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   91.303673][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.303675][ T1328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.303679][ T1328]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.303683][ T1328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.303686][ T1328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.303691][ T1328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.303694][ T1328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.303696][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.303698][ T1328]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   91.303702][ T1328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.303704][ T1328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.303706][ T1328]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.303710][ T1328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.303715][ T1328]  _printk (kernel/printk/printk.c:2504)
[   91.303719][ T1328]  ? snapshot_read.cold (user.c:?)
[   91.303722][ T1328]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   91.303726][ T1328]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   91.303730][ T1328]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   91.303732][ T1328]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   91.303735][ T1328]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   91.303739][ T1328]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   91.303742][ T1328]  ? netdev_notice (net/core/dev.c:13194)
[   91.303744][ T1328]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   91.303754][ T1328]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   91.303756][ T1328]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   91.303760][ T1328]  netif_set_promiscuity (net/core/dev.c:9699)
[   91.303764][ T1328]  dev_set_promiscuity (net/core/dev_api.c:288)
[   91.303766][ T1328]  ? dev_disable_lro (net/core/dev_api.c:267)
[   91.303772][ T1328] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   91.303778][ T1328] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   91.303783][ T1328] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   91.303788][ T1328]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   91.303793][ T1328] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   91.303799][ T1328]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   91.303803][ T1328]  ? __nla_validate_parse (lib/nlattr.c:635)
[   91.303809][ T1328]  ? __nla_parse (lib/nlattr.c:732)
[   91.303812][ T1328]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   91.303816][ T1328]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   91.303820][ T1328]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   91.303828][ T1328]  ? security_capable (security/security.c:660 (discriminator 11))
[   91.303833][ T1328]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   91.303837][ T1328]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   91.303839][ T1328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.303842][ T1328]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   91.303846][ T1328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.303852][ T1328]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   91.303855][ T1328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.303857][ T1328]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   91.303861][ T1328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.303868][ T1328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   91.303870][ T1328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   91.303875][ T1328]  genl_rcv (net/netlink/genetlink.c:1218)
[   91.303877][ T1328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.303887][ T1328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.303890][ T1328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.303894][ T1328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.303898][ T1328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.303900][ T1328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.303903][ T1328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.303908][ T1328]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.303911][ T1328]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   91.303915][ T1328]  __sys_sendto (net/socket.c:2281)
[   91.303918][ T1328]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   91.303929][ T1328]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   91.303936][ T1328]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   91.303938][ T1328]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   91.303942][ T1328]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   91.303944][ T1328]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   91.303946][ T1328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.303948][ T1328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.303951][ T1328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.303953][ T1328] RIP: 0033:0x7f9cdceba312
[   91.303957][ T1328] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   91.303959][ T1328] RSP: 002b:00007fff55602158 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   91.303961][ T1328] RAX: ffffffffffffffda RBX: 00007fff55602288 RCX: 00007f9cdceba312
[   91.303963][ T1328] RDX: 0000000000000030 RSI: 00007f9cd8aed8f0 RDI: 0000000000000023
[   91.303964][ T1328] RBP: 00007fff55602180 R08: 00007fff55602300 R09: 000000000000000c
[   91.303964][ T1328] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9cdad1a270
[   91.303965][ T1328] R13: 00007fff55602288 R14: 00007f9cdc7d901a R15: 00007fff55602678
| [   99.163695][ T1481] softirqs last disabled at (26072): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [   99.163698][ T1481] Preemption disabled at:
| [   99.163698][ T1481] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.163707][ T1481] Tainted: [W]=WARN
[   99.163708][ T1481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.163710][ T1481] Call Trace:
[   99.163712][ T1481]  <TASK>
[   99.163714][ T1481]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.163720][ T1481]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.163722][ T1481]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.163727][ T1481]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.163731][ T1481]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   99.163736][ T1481]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   99.163738][ T1481]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.163745][ T1481]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.163748][ T1481]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.163752][ T1481]  put_chars (drivers/char/virtio_console.c:1176)
[   99.163754][ T1481]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   99.163756][ T1481]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.163759][ T1481]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   99.163762][ T1481]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.163765][ T1481]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.163772][ T1481]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.163777][ T1481]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   99.163779][ T1481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.163780][ T1481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.163785][ T1481]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.163787][ T1481]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   99.163791][ T1481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.163793][ T1481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.163797][ T1481]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.163801][ T1481]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.163803][ T1481]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   99.163806][ T1481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.163808][ T1481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.163812][ T1481]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.163817][ T1481]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.163819][ T1481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.163824][ T1481]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.163827][ T1481]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.163829][ T1481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.163831][ T1481]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   99.163835][ T1481]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.163837][ T1481]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.163840][ T1481]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.163843][ T1481]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.163845][ T1481]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 3))
[   99.163850][ T1481]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   99.163854][ T1481]  _printk (kernel/printk/printk.c:2504)
[   99.163858][ T1481]  ? snapshot_read.cold (user.c:?)
[   99.163863][ T1481]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   99.163867][ T1481]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   99.163870][ T1481]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   99.163874][ T1481]  ? netdev_notice (net/core/dev.c:13194)
[   99.163875][ T1481]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   99.163880][ T1481]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   99.163885][ T1481]  ? 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)
[   99.163888][ T1481]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   99.163892][ T1481]  netif_set_promiscuity (net/core/dev.c:9699)
[   99.163896][ T1481]  dev_set_promiscuity (net/core/dev_api.c:288)
[   99.163898][ T1481]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   99.163901][ T1481] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   99.163909][ T1481] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   99.163914][ T1481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.163917][ T1481]  notifier_call_chain (kernel/notifier.c:85)
[   99.163923][ T1481]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   99.163928][ T1481]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   99.163936][ T1481]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   99.163938][ T1481]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   99.163940][ T1481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.163941][ T1481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.163944][ T1481]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   99.163972][ T1481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.163974][ T1481]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.163978][ T1481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.163980][ T1481]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   99.163982][ T1481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.163986][ T1481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.163988][ T1481]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.163991][ T1481]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   99.163993][ T1481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.163997][ T1481]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   99.163999][ T1481]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.164002][ T1481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.164004][ T1481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.164008][ T1481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.164010][ T1481]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.164014][ T1481]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.164017][ T1481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.164020][ T1481]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.164027][ T1481]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.164030][ T1481]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.164034][ T1481]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.164039][ T1481]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.164041][ T1481]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.164046][ T1481]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.164050][ T1481]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.164054][ T1481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.164056][ T1481]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   99.164062][ T1481]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   99.164066][ T1481]  ____sys_sendmsg (net/socket.c:2713)
[   99.164068][ T1481]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.164071][ T1481]  ? sock_write_iter (net/socket.c:1269)
[   99.164072][ T1481]  ? move_addr_to_kernel (net/socket.c:258)
[   99.164080][ T1481]  ___sys_sendmsg (net/socket.c:2767)
[   99.164083][ T1481]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.164099][ T1481]  __sys_sendmsg (net/socket.c:2799)
[   99.164102][ T1481]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.164109][ T1481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.164112][ T1481]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.164115][ T1481]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.164119][ T1481]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.164121][ T1481] RIP: 0033:0x7f014c1a754e
[   99.164125][ T1481] 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
[   99.164127][ T1481] RSP: 002b:00007ffd4fe72ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.164130][ T1481] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f014c1a754e
[   99.164131][ T1481] RDX: 0000000000000000 RSI: 00007ffd4fe72f80 RDI: 0000000000000005
[   99.164132][ T1481] RBP: 00007ffd4fe72ee0 R08: 0000000000000000 R09: 0000000000000000
[   99.164133][ T1481] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8ed
[   99.164134][ T1481] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4fe73640
| [  100.032539][    C0]
| [  100.032540][    C0]
| [  100.032540][    C0] stack backtrace:
| [  100.032548][    C0] Tainted: [W]=WARN
[  100.032550][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.032552][    C0] Call Trace:
[  100.032554][    C0]  <IRQ>
[  100.032555][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  100.032561][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  100.032565][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  100.032567][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  100.032572][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  100.032575][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  100.032577][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  100.032581][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.032584][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  100.032587][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.032590][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.032593][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  100.032595][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  100.032598][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[  100.032601][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  100.032603][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  100.032606][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.032608][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.032612][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  100.032615][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  100.032618][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.032621][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  100.032624][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  100.032627][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.032629][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  100.032632][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  100.032635][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  100.032637][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  100.032639][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  100.032643][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  100.032645][    C0]  _printk (kernel/printk/printk.c:2504)
[  100.032648][    C0]  ? snapshot_read.cold (user.c:?)
[  100.032651][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  100.032653][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.032657][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[  100.032660][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  100.032662][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  100.032665][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  100.032668][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  100.032671][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  100.032674][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.032677][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.032680][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.032683][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  100.032685][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  100.032689][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  100.032691][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.032696][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  100.032700][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  100.032703][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  100.032705][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.032709][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.032711][    C0]  handle_softirqs (kernel/softirq.c:645)
[  100.032714][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.032716][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  100.032720][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  100.032722][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  100.032724][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  100.032727][    C0]  </IRQ>
[  100.032728][    C0]  <TASK>
[  100.032728][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  100.032731][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  100.032734][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  100.032737][    C0] Code: 48 8b 3d 94 92 68 02 e8 1f 00 00 00 48 2b 05 58 e3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 92 68 02 	mov    0x2689294(%rip),%rdi        # 0x268929b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 e3 a0 00 	sub    0xa0e358(%rip),%rax        # 0xa0e36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 16 0e 00 	verw   0xe1613(%rip)        # 0xe163b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  100.032739][    C0] RSP: 0018:ffffffff8da07cf8 EFLAGS: 00000296
[  100.032742][    C0] RAX: 000000000027a2b1 RBX: ffffffff8da30600 RCX: ffffffff8a106247
[  100.032744][    C0] RDX: ffffffff8da30600 RSI: ffffffff8d311042 RDI: ffffffff8cc949e0
[  100.032745][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  100.032747][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1b40fa2
[  100.032748][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  100.032751][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  100.032754][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  100.032756][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  100.032758][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  100.032761][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  100.032763][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  100.032766][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  100.032773][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.032775][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.032777][    C0]  do_idle (kernel/sched/idle.c:355)
[  100.032780][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  100.032782][    C0]  rest_init (init/main.c:727)
[  100.032785][    C0]  ? __cpuidle_text_end (??:?)
[  100.032789][    C0]  ? rest_init (init/main.c:727)
[  100.032791][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  100.032796][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  100.032799][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  100.032802][    C0]  start_kernel (init/main.c:1185)
[  100.032805][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  100.032807][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  100.032809][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  100.187410][ T1495] softirqs last disabled at (361925): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  100.187412][ T1495] Preemption disabled at:
| [  100.187413][ T1495] vprintk_emit (kernel/printk/printk.c:2471)
| [  100.187423][ T1495] Tainted: [W]=WARN
[  100.187424][ T1495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.187426][ T1495] Call Trace:
[  100.187428][ T1495]  <TASK>
[  100.187429][ T1495]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  100.187434][ T1495]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  100.187435][ T1495]  __might_resched.cold (kernel/sched/core.c:9234)
[  100.187439][ T1495]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  100.187442][ T1495]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  100.187446][ T1495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.187448][ T1495]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  100.187451][ T1495]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  100.187453][ T1495]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.187458][ T1495]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.187459][ T1495]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.187462][ T1495]  put_chars (drivers/char/virtio_console.c:1176)
[  100.187464][ T1495]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  100.187465][ T1495]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  100.187468][ T1495]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  100.187473][ T1495]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  100.187475][ T1495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.187476][ T1495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.187478][ T1495]  console_emit_next_record (kernel/printk/printk.c:3183)
[  100.187481][ T1495]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  100.187483][ T1495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.187484][ T1495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.187485][ T1495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.187486][ T1495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.187488][ T1495]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  100.187490][ T1495]  console_flush_one_record (kernel/printk/printk.c:3268)
[  100.187492][ T1495]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  100.187495][ T1495]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  100.187497][ T1495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.187498][ T1495]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  100.187500][ T1495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.187501][ T1495]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  100.187502][ T1495]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  100.187504][ T1495]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  100.187505][ T1495]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  100.187507][ T1495]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  100.187509][ T1495]  vprintk_emit (kernel/printk/printk.c:2479)
[  100.187510][ T1495]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  100.187512][ T1495]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.187514][ T1495]  _printk (kernel/printk/printk.c:2504)
[  100.187517][ T1495]  ? snapshot_read.cold (user.c:?)
[  100.187519][ T1495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.187520][ T1495]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  100.187523][ T1495]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  100.187525][ T1495]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  100.187528][ T1495]  ? netdev_notice (net/core/dev.c:13194)
[  100.187529][ T1495]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  100.187537][ T1495]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  100.187540][ T1495]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  100.187541][ T1495]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  100.187544][ T1495]  netif_set_promiscuity (net/core/dev.c:9699)
[  100.187548][ T1495]  dev_set_promiscuity (net/core/dev_api.c:288)
[  100.187550][ T1495] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  100.187555][ T1495] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  100.187560][ T1495] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  100.187564][ T1495]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  100.187568][ T1495]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  100.187571][ T1495]  ? security_capable (security/security.c:660 (discriminator 11))
[  100.187574][ T1495]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  100.187577][ T1495]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  100.187579][ T1495]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  100.187582][ T1495]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  100.187586][ T1495]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  100.187589][ T1495]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  100.187591][ T1495]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  100.187593][ T1495]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  100.187595][ T1495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.187598][ T1495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.187600][ T1495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.187601][ T1495]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  100.187603][ T1495]  genl_rcv (net/netlink/genetlink.c:1218)
[  100.187605][ T1495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.187607][ T1495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.187609][ T1495]  ? __futex_wake_mark (kernel/futex/waitwake.c:123 (discriminator 4) kernel/futex/waitwake.c:110 (discriminator 4))
[  100.187612][ T1495]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  100.187614][ T1495]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  100.187616][ T1495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.187618][ T1495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.187619][ T1495]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  100.187622][ T1495]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  100.187625][ T1495]  __sys_sendto (net/socket.c:2281)
[  100.187627][ T1495]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  100.187629][ T1495]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  100.187631][ T1495]  ? do_futex (kernel/futex/syscalls.c:133)
[  100.187632][ T1495]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  100.187635][ T1495]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  100.187637][ T1495]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  100.187639][ T1495]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.187641][ T1495]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  100.187643][ T1495]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  100.187644][ T1495]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  100.187646][ T1495]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  100.187648][ T1495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.187650][ T1495] RIP: 0033:0x7f5ae4208312
[  100.187653][ T1495] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  100.187654][ T1495] RSP: 002b:00007ffec8048a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  100.187658][ T1495] RAX: ffffffffffffffda RBX: 00007ffec8048b48 RCX: 00007f5ae4208312
[  100.187659][ T1495] RDX: 0000000000000028 RSI: 00007f5ae1f392f0 RDI: 0000000000000020
[  100.187660][ T1495] RBP: 00007ffec8048a40 R08: 00007ffec8048bc0 R09: 000000000000000c
[  100.187661][ T1495] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ae2071f60
[  100.187662][ T1495] R13: 00007ffec8048b48 R14: 00007f5ae3b2701a R15: 00007ffec8048f38
| [  101.997431][ T1539] softirqs last disabled at (0): 0x0
| [  101.997433][ T1539] Preemption disabled at:
| [  101.997434][ T1539] vprintk_emit (kernel/printk/printk.c:2471)
| [  101.997444][ T1539] Tainted: [W]=WARN
[  101.997445][ T1539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.997446][ T1539] Call Trace:
[  101.997448][ T1539]  <TASK>
[  101.997450][ T1539]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  101.997455][ T1539]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  101.997457][ T1539]  __might_resched.cold (kernel/sched/core.c:9234)
[  101.997461][ T1539]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  101.997464][ T1539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.997467][ T1539]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  101.997470][ T1539]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  101.997472][ T1539]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.997477][ T1539]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.997479][ T1539]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.997481][ T1539]  put_chars (drivers/char/virtio_console.c:1176)
[  101.997483][ T1539]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  101.997484][ T1539]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  101.997487][ T1539]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  101.997492][ T1539]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  101.997494][ T1539]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  101.997495][ T1539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.997496][ T1539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.997499][ T1539]  console_emit_next_record (kernel/printk/printk.c:3183)
[  101.997502][ T1539]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  101.997504][ T1539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.997505][ T1539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.997506][ T1539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.997507][ T1539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.997508][ T1539]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  101.997510][ T1539]  console_flush_one_record (kernel/printk/printk.c:3268)
[  101.997513][ T1539]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  101.997515][ T1539]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  101.997517][ T1539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.997519][ T1539]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  101.997520][ T1539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.997521][ T1539]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  101.997523][ T1539]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  101.997524][ T1539]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  101.997526][ T1539]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  101.997528][ T1539]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  101.997529][ T1539]  vprintk_emit (kernel/printk/printk.c:2479)
[  101.997531][ T1539]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  101.997532][ T1539]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  101.997533][ T1539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.997534][ T1539]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  101.997538][ T1539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.997540][ T1539]  _printk (kernel/printk/printk.c:2504)
[  101.997543][ T1539]  ? snapshot_read.cold (user.c:?)
[  101.997545][ T1539]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  101.997549][ T1539]  ? idr_get_free (??:?)
[  101.997551][ T1539]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  101.997554][ T1539]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  101.997561][ T1539]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.997565][ T1539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.997566][ T1539]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  101.997569][ T1539]  __nla_validate_parse (lib/nlattr.c:635)
[  101.997572][ T1539]  __nla_parse (lib/nlattr.c:732)
[  101.997574][ T1539]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  101.997576][ T1539]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  101.997578][ T1539]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  101.997580][ T1539]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  101.997583][ T1539]  ? security_capable (security/security.c:660 (discriminator 11))
[  101.997586][ T1539]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  101.997588][ T1539]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  101.997590][ T1539]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  101.997597][ T1539]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  101.997600][ T1539]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  101.997602][ T1539]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  101.997604][ T1539]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  101.997606][ T1539]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  101.997608][ T1539]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.997611][ T1539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.997613][ T1539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.997614][ T1539]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  101.997616][ T1539]  genl_rcv (net/netlink/genetlink.c:1218)
[  101.997617][ T1539]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.997620][ T1539]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.997622][ T1539]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  101.997624][ T1539]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  101.997626][ T1539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.997628][ T1539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.997630][ T1539]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  101.997632][ T1539]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  101.997635][ T1539]  __sys_sendto (net/socket.c:2281)
[  101.997638][ T1539]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  101.997641][ T1539]  ? fput_close_sync (fs/file_table.c:617)
[  101.997644][ T1539]  ? alloc_file_clone (fs/file_table.c:479)
[  101.997646][ T1539]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  101.997648][ T1539]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.997650][ T1539]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  101.997651][ T1539]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  101.997653][ T1539]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  101.997655][ T1539]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  101.997657][ T1539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.997660][ T1539] RIP: 0033:0x7f946f5b6312
[  101.997662][ T1539] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  101.997663][ T1539] RSP: 002b:00007ffdce80a928 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  101.997667][ T1539] RAX: ffffffffffffffda RBX: 00007ffdce80aa58 RCX: 00007f946f5b6312
[  101.997668][ T1539] RDX: 0000000000000040 RSI: 00007f946d30f960 RDI: 0000000000000020
[  101.997669][ T1539] RBP: 00007ffdce80a950 R08: 00007ffdce80aad0 R09: 000000000000000c
[  101.997670][ T1539] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f946d4160b0
[  101.997671][ T1539] R13: 00007ffdce80aa58 R14: 00007f946eed501a R15: 00007ffdce80ae48
| [  103.653421][ T1610] softirqs last disabled at (0): 0x0
| [  103.653423][ T1610] Preemption disabled at:
| [  103.653424][ T1610] vprintk_emit (kernel/printk/printk.c:2471)
| [  103.653434][ T1610] Tainted: [W]=WARN
[  103.653435][ T1610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.653437][ T1610] Call Trace:
[  103.653438][ T1610]  <TASK>
[  103.653439][ T1610]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  103.653445][ T1610]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  103.653446][ T1610]  __might_resched.cold (kernel/sched/core.c:9234)
[  103.653450][ T1610]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  103.653453][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653456][ T1610]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  103.653459][ T1610]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  103.653462][ T1610]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  103.653467][ T1610]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  103.653468][ T1610]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  103.653471][ T1610]  put_chars (drivers/char/virtio_console.c:1176)
[  103.653473][ T1610]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  103.653474][ T1610]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  103.653477][ T1610]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  103.653479][ T1610]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  103.653484][ T1610]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  103.653486][ T1610]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  103.653487][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653488][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653489][ T1610]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.653492][ T1610]  console_emit_next_record (kernel/printk/printk.c:3183)
[  103.653495][ T1610]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  103.653497][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653498][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653499][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653500][ T1610]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.653501][ T1610]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  103.653503][ T1610]  console_flush_one_record (kernel/printk/printk.c:3268)
[  103.653506][ T1610]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  103.653508][ T1610]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  103.653510][ T1610]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.653512][ T1610]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  103.653514][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653515][ T1610]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  103.653516][ T1610]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  103.653518][ T1610]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  103.653519][ T1610]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  103.653521][ T1610]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  103.653522][ T1610]  vprintk_emit (kernel/printk/printk.c:2479)
[  103.653524][ T1610]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  103.653526][ T1610]  _printk (kernel/printk/printk.c:2504)
[  103.653530][ T1610]  ? snapshot_read.cold (user.c:?)
[  103.653531][ T1610]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  103.653534][ T1610]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  103.653538][ T1610]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  103.653540][ T1610]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  103.653543][ T1610]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  103.653545][ T1610]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  103.653547][ T1610]  ? netdev_notice (net/core/dev.c:13194)
[  103.653549][ T1610]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  103.653557][ T1610]  ? 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)
[  103.653559][ T1610]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  103.653561][ T1610]  netif_set_promiscuity (net/core/dev.c:9699)
[  103.653563][ T1610]  dev_set_promiscuity (net/core/dev_api.c:288)
[  103.653565][ T1610]  ? dev_disable_lro (net/core/dev_api.c:267)
[  103.653566][ T1610] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  103.653570][ T1610] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  103.653574][ T1610]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  103.653576][ T1610] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  103.653581][ T1610]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  103.653584][ T1610] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  103.653588][ T1610]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  103.653591][ T1610]  ? __nla_validate_parse (lib/nlattr.c:635)
[  103.653596][ T1610]  ? __nla_parse (lib/nlattr.c:732)
[  103.653597][ T1610]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  103.653601][ T1610]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  103.653604][ T1610]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  103.653607][ T1610]  ? security_capable (security/security.c:660 (discriminator 11))
[  103.653610][ T1610]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  103.653612][ T1610]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  103.653614][ T1610]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  103.653618][ T1610]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  103.653621][ T1610]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  103.653623][ T1610]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  103.653625][ T1610]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  103.653627][ T1610]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  103.653629][ T1610]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  103.653632][ T1610]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.653634][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653635][ T1610]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  103.653637][ T1610]  genl_rcv (net/netlink/genetlink.c:1218)
[  103.653639][ T1610]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  103.653641][ T1610]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  103.653643][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653644][ T1610]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  103.653647][ T1610]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  103.653649][ T1610]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.653650][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653652][ T1610]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  103.653655][ T1610]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  103.653658][ T1610]  __sys_sendto (net/socket.c:2281)
[  103.653660][ T1610]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  103.653664][ T1610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.653665][ T1610]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  103.653667][ T1610]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  103.653669][ T1610]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.653672][ T1610]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  103.653673][ T1610]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  103.653674][ T1610]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  103.653678][ T1610]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  103.653680][ T1610]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.653682][ T1610] RIP: 0033:0x7f1480f9d312
[  103.653684][ T1610] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  103.653686][ T1610] RSP: 002b:00007ffe18d44c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  103.653690][ T1610] RAX: ffffffffffffffda RBX: 00007ffe18d44d48 RCX: 00007f1480f9d312
[  103.653691][ T1610] RDX: 0000000000000034 RSI: 00007f147cbc08b0 RDI: 0000000000000023
[  103.653692][ T1610] RBP: 00007ffe18d44c40 R08: 00007ffe18d44dc0 R09: 000000000000000c
[  103.653693][ T1610] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f147edf6190
[  103.653694][ T1610] R13: 00007ffe18d44d48 R14: 00007f14808bc01a R15: 00007ffe18d45138
| [  105.777639][ T1681] softirqs last disabled at (0): 0x0
| [  105.777641][ T1681] Preemption disabled at:
| [  105.777642][ T1681] vprintk_emit (kernel/printk/printk.c:2471)
| [  105.777652][ T1681] Tainted: [W]=WARN
[  105.777653][ T1681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.777655][ T1681] Call Trace:
[  105.777656][ T1681]  <TASK>
[  105.777658][ T1681]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  105.777663][ T1681]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  105.777665][ T1681]  __might_resched.cold (kernel/sched/core.c:9234)
[  105.777669][ T1681]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  105.777672][ T1681]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  105.777676][ T1681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.777678][ T1681]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  105.777681][ T1681]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  105.777684][ T1681]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.777689][ T1681]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  105.777690][ T1681]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.777693][ T1681]  put_chars (drivers/char/virtio_console.c:1176)
[  105.777695][ T1681]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  105.777696][ T1681]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  105.777699][ T1681]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  105.777704][ T1681]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  105.777706][ T1681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.777707][ T1681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.777710][ T1681]  console_emit_next_record (kernel/printk/printk.c:3183)
[  105.777713][ T1681]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  105.777715][ T1681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.777716][ T1681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.777717][ T1681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.777718][ T1681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.777720][ T1681]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  105.777721][ T1681]  console_flush_one_record (kernel/printk/printk.c:3268)
[  105.777724][ T1681]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  105.777727][ T1681]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  105.777729][ T1681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.777731][ T1681]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  105.777732][ T1681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.777733][ T1681]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.777735][ T1681]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  105.777736][ T1681]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  105.777738][ T1681]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  105.777740][ T1681]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  105.777741][ T1681]  vprintk_emit (kernel/printk/printk.c:2479)
[  105.777743][ T1681]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  105.777744][ T1681]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[  105.777748][ T1681]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  105.777751][ T1681]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[  105.777755][ T1681]  _printk (kernel/printk/printk.c:2504)
[  105.777758][ T1681]  ? snapshot_read.cold (user.c:?)
[  105.777760][ T1681]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  105.777763][ T1681]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  105.777765][ T1681]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  105.777772][ T1681]  ? netdev_notice (net/core/dev.c:13194)
[  105.777774][ T1681]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  105.777777][ T1681]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  105.777780][ T1681]  ? 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)
[  105.777781][ T1681]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  105.777784][ T1681]  netif_set_promiscuity (net/core/dev.c:9699)
[  105.777787][ T1681]  dev_set_promiscuity (net/core/dev_api.c:288)
[  105.777788][ T1681]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  105.777792][ T1681] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  105.777799][ T1681]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  105.777803][ T1681] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  105.777807][ T1681] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  105.777814][ T1681]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  105.777818][ T1681]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  105.777822][ T1681]  ? security_capable (security/security.c:660 (discriminator 11))
[  105.777825][ T1681]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  105.777828][ T1681]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  105.777830][ T1681]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  105.777835][ T1681]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.777838][ T1681]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  105.777842][ T1681]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  105.777844][ T1681]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.777846][ T1681]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  105.777848][ T1681]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.777851][ T1681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.777853][ T1681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.777855][ T1681]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.777857][ T1681]  genl_rcv (net/netlink/genetlink.c:1218)
[  105.777859][ T1681]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.777862][ T1681]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.777864][ T1681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.777866][ T1681]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.777868][ T1681]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  105.777870][ T1681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.777872][ T1681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.777874][ T1681]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  105.777876][ T1681]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  105.777879][ T1681]  __sys_sendto (net/socket.c:2281)
[  105.777882][ T1681]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  105.777886][ T1681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.777887][ T1681]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.777890][ T1681]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  105.777892][ T1681]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  105.777895][ T1681]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  105.777897][ T1681]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  105.777898][ T1681]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.777901][ T1681]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  105.777903][ T1681]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.777906][ T1681] RIP: 0033:0x7fbc004c7312
[  105.777908][ T1681] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  105.777909][ T1681] RSP: 002b:00007fffac89a048 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  105.777913][ T1681] RAX: ffffffffffffffda RBX: 00007fffac89a178 RCX: 00007fbc004c7312
[  105.777915][ T1681] RDX: 0000000000000024 RSI: 00007fbbfe1bb870 RDI: 0000000000000023
[  105.777916][ T1681] RBP: 00007fffac89a070 R08: 00007fffac89a1f0 R09: 000000000000000c
[  105.777917][ T1681] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbbfe32a270
[  105.777917][ T1681] R13: 00007fffac89a178 R14: 00007fbbffde601a R15: 00007fffac89a568
| [  107.068470][ T1717] softirqs last disabled at (0): 0x0
| [  107.068472][ T1717] Preemption disabled at:
| [  107.068473][ T1717] vprintk_emit (kernel/printk/printk.c:2471)
| [  107.068483][ T1717] Tainted: [W]=WARN
[  107.068484][ T1717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.068486][ T1717] Call Trace:
[  107.068488][ T1717]  <TASK>
[  107.068489][ T1717]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  107.068495][ T1717]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  107.068496][ T1717]  __might_resched.cold (kernel/sched/core.c:9234)
[  107.068499][ T1717]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  107.068503][ T1717]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  107.068506][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068509][ T1717]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  107.068512][ T1717]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  107.068515][ T1717]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.068520][ T1717]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.068521][ T1717]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.068524][ T1717]  put_chars (drivers/char/virtio_console.c:1176)
[  107.068526][ T1717]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  107.068527][ T1717]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  107.068530][ T1717]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  107.068534][ T1717]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  107.068536][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068537][ T1717]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.068540][ T1717]  console_emit_next_record (kernel/printk/printk.c:3183)
[  107.068543][ T1717]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  107.068545][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068546][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068547][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068548][ T1717]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.068550][ T1717]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  107.068552][ T1717]  console_flush_one_record (kernel/printk/printk.c:3268)
[  107.068554][ T1717]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  107.068557][ T1717]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  107.068559][ T1717]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.068561][ T1717]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  107.068562][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068563][ T1717]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  107.068565][ T1717]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  107.068566][ T1717]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  107.068568][ T1717]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  107.068570][ T1717]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  107.068571][ T1717]  vprintk_emit (kernel/printk/printk.c:2479)
[  107.068573][ T1717]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  107.068574][ T1717]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  107.068576][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068577][ T1717]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.068579][ T1717]  _printk (kernel/printk/printk.c:2504)
[  107.068582][ T1717]  ? snapshot_read.cold (user.c:?)
[  107.068584][ T1717]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  107.068588][ T1717]  ? idr_get_free (??:?)
[  107.068590][ T1717]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  107.068597][ T1717]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  107.068601][ T1717] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  107.068606][ T1717]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  107.068611][ T1717]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  107.068613][ T1717]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  107.068616][ T1717]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  107.068618][ T1717]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  107.068620][ T1717]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.068622][ T1717]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  107.068623][ T1717]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  107.068626][ T1717]  ? __sys_sendto (net/socket.c:2281)
[  107.068628][ T1717]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  107.068635][ T1717]  ? __nla_parse (lib/nlattr.c:732)
[  107.068638][ T1717]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  107.068641][ T1717]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  107.068643][ T1717]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  107.068647][ T1717]  ? security_capable (security/security.c:660 (discriminator 11))
[  107.068650][ T1717]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  107.068652][ T1717]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  107.068654][ T1717]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  107.068658][ T1717]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  107.068661][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  107.068663][ T1717]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  107.068666][ T1717]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  107.068667][ T1717]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  107.068670][ T1717]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.068673][ T1717]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.068674][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068676][ T1717]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  107.068678][ T1717]  genl_rcv (net/netlink/genetlink.c:1218)
[  107.068679][ T1717]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.068682][ T1717]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.068684][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068685][ T1717]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  107.068688][ T1717]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  107.068690][ T1717]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.068692][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068693][ T1717]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  107.068695][ T1717]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  107.068698][ T1717]  __sys_sendto (net/socket.c:2281)
[  107.068700][ T1717]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  107.068703][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.068705][ T1717]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  107.068707][ T1717]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  107.068709][ T1717]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.068710][ T1717]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  107.068712][ T1717]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  107.068713][ T1717]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  107.068715][ T1717]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  107.068718][ T1717]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.068720][ T1717] RIP: 0033:0x7f78e33ee312
[  107.068722][ T1717] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  107.068724][ T1717] RSP: 002b:00007ffedd9eb2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  107.068728][ T1717] RAX: ffffffffffffffda RBX: 00007ffedd9eb418 RCX: 00007f78e33ee312
[  107.068730][ T1717] RDX: 00000000000000e4 RSI: 00007f78daf24a80 RDI: 0000000000000026
[  107.068730][ T1717] RBP: 00007ffedd9eb310 R08: 00007ffedd9eb490 R09: 000000000000000c
[  107.068731][ T1717] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f78e124e2e0
[  107.068732][ T1717] R13: 00007ffedd9eb418 R14: 00007f78e2d0d01a R15: 00007ffedd9eb808
| [  108.639193][ T1774] softirqs last disabled at (0): 0x0
| [  108.639195][ T1774] Preemption disabled at:
| [  108.639195][ T1774] vprintk_emit (kernel/printk/printk.c:2471)
| [  108.639206][ T1774] Tainted: [W]=WARN
[  108.639207][ T1774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.639208][ T1774] Call Trace:
[  108.639210][ T1774]  <TASK>
[  108.639211][ T1774]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  108.639216][ T1774]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  108.639218][ T1774]  __might_resched.cold (kernel/sched/core.c:9234)
[  108.639222][ T1774]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  108.639225][ T1774]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  108.639229][ T1774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.639231][ T1774]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  108.639234][ T1774]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  108.639237][ T1774]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.639242][ T1774]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  108.639244][ T1774]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.639246][ T1774]  put_chars (drivers/char/virtio_console.c:1176)
[  108.639248][ T1774]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  108.639249][ T1774]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  108.639252][ T1774]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  108.639257][ T1774]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  108.639259][ T1774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.639260][ T1774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.639263][ T1774]  console_emit_next_record (kernel/printk/printk.c:3183)
[  108.639265][ T1774]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  108.639267][ T1774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.639268][ T1774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.639269][ T1774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.639270][ T1774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.639272][ T1774]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  108.639274][ T1774]  console_flush_one_record (kernel/printk/printk.c:3268)
[  108.639276][ T1774]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  108.639279][ T1774]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  108.639281][ T1774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.639283][ T1774]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  108.639284][ T1774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.639286][ T1774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  108.639287][ T1774]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  108.639289][ T1774]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  108.639290][ T1774]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  108.639292][ T1774]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  108.639293][ T1774]  vprintk_emit (kernel/printk/printk.c:2479)
[  108.639295][ T1774]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  108.639297][ T1774]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.639299][ T1774]  _printk (kernel/printk/printk.c:2504)
[  108.639302][ T1774]  ? snapshot_read.cold (user.c:?)
[  108.639304][ T1774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.639305][ T1774]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  108.639308][ T1774]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  108.639310][ T1774]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  108.639313][ T1774]  ? netdev_notice (net/core/dev.c:13194)
[  108.639314][ T1774]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  108.639322][ T1774]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  108.639325][ T1774]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  108.639327][ T1774]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  108.639329][ T1774]  netif_set_promiscuity (net/core/dev.c:9699)
[  108.639334][ T1774]  dev_set_promiscuity (net/core/dev_api.c:288)
[  108.639336][ T1774] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  108.639340][ T1774] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  108.639346][ T1774] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  108.639350][ T1774]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  108.639354][ T1774]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  108.639357][ T1774]  ? security_capable (security/security.c:660 (discriminator 11))
[  108.639360][ T1774]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  108.639363][ T1774]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  108.639365][ T1774]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  108.639368][ T1774]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  108.639371][ T1774]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  108.639375][ T1774]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  108.639377][ T1774]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  108.639379][ T1774]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  108.639381][ T1774]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.639384][ T1774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.639386][ T1774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.639387][ T1774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  108.639389][ T1774]  genl_rcv (net/netlink/genetlink.c:1218)
[  108.639391][ T1774]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.639393][ T1774]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.639395][ T1774]  ? __futex_wake_mark (kernel/futex/waitwake.c:123 (discriminator 4) kernel/futex/waitwake.c:110 (discriminator 4))
[  108.639398][ T1774]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  108.639400][ T1774]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  108.639402][ T1774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.639404][ T1774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.639405][ T1774]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  108.639408][ T1774]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  108.639411][ T1774]  __sys_sendto (net/socket.c:2281)
[  108.639413][ T1774]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  108.639415][ T1774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  108.639417][ T1774]  ? do_futex (kernel/futex/syscalls.c:133)
[  108.639419][ T1774]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  108.639421][ T1774]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  108.639426][ T1774]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  108.639427][ T1774]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  108.639430][ T1774]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  108.639432][ T1774]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  108.639433][ T1774]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  108.639436][ T1774]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  108.639438][ T1774]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.639440][ T1774] RIP: 0033:0x7fc328249312
[  108.639442][ T1774] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  108.639444][ T1774] RSP: 002b:00007ffd18077a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  108.639448][ T1774] RAX: ffffffffffffffda RBX: 00007ffd18077ba8 RCX: 00007fc328249312
[  108.639449][ T1774] RDX: 0000000000000020 RSI: 00007fc3245be670 RDI: 0000000000000020
[  108.639450][ T1774] RBP: 00007ffd18077aa0 R08: 00007ffd18077c20 R09: 000000000000000c
[  108.639451][ T1774] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc3260a20b0
[  108.639452][ T1774] R13: 00007ffd18077ba8 R14: 00007fc327b6801a R15: 00007ffd18077f98
| [  111.129025][ T1833] softirqs last disabled at (0): 0x0
| [  111.129027][ T1833] Preemption disabled at:
| [  111.129028][ T1833] vprintk_emit (kernel/printk/printk.c:2471)
| [  111.129038][ T1833] Tainted: [W]=WARN
[  111.129039][ T1833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.129041][ T1833] Call Trace:
[  111.129043][ T1833]  <TASK>
[  111.129045][ T1833]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  111.129051][ T1833]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  111.129052][ T1833]  __might_resched.cold (kernel/sched/core.c:9234)
[  111.129063][ T1833]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  111.129066][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.129069][ T1833]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  111.129072][ T1833]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  111.129075][ T1833]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.129080][ T1833]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  111.129081][ T1833]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.129084][ T1833]  put_chars (drivers/char/virtio_console.c:1176)
[  111.129086][ T1833]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  111.129087][ T1833]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  111.129090][ T1833]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  111.129092][ T1833]  ? pointer (lib/vsprintf.c:2577)
[  111.129096][ T1833]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  111.129100][ T1833]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  111.129102][ T1833]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  111.129104][ T1833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.129107][ T1833]  console_emit_next_record (kernel/printk/printk.c:3183)
[  111.129110][ T1833]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  111.129112][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.129113][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.129114][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.129115][ T1833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.129117][ T1833]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  111.129119][ T1833]  console_flush_one_record (kernel/printk/printk.c:3268)
[  111.129121][ T1833]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  111.129124][ T1833]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  111.129126][ T1833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.129128][ T1833]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  111.129130][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.129131][ T1833]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  111.129132][ T1833]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  111.129134][ T1833]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  111.129135][ T1833]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  111.129137][ T1833]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  111.129139][ T1833]  vprintk_emit (kernel/printk/printk.c:2479)
[  111.129141][ T1833]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  111.129142][ T1833]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  111.129145][ T1833]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  111.129148][ T1833]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  111.129150][ T1833]  _printk (kernel/printk/printk.c:2504)
[  111.129153][ T1833]  ? snapshot_read.cold (user.c:?)
[  111.129156][ T1833]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  111.129159][ T1833]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  111.129161][ T1833]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  111.129164][ T1833]  ? netdev_notice (net/core/dev.c:13194)
[  111.129165][ T1833]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  111.129169][ T1833]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  111.129173][ T1833]  ? register_netdevice (net/core/dev.c:11556)
[  111.129175][ T1833]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.129177][ T1833]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  111.129179][ T1833]  ? unregister_netdev (net/core/dev.c:12699)
[  111.129180][ T1833]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  111.129182][ T1833]  netif_set_promiscuity (net/core/dev.c:9699)
[  111.129185][ T1833]  dev_set_promiscuity (net/core/dev_api.c:288)
[  111.129187][ T1833] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  111.129195][ T1833] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  111.129199][ T1833] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  111.129203][ T1833] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  111.129208][ T1833]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  111.129211][ T1833]  ? __nla_validate_parse (lib/nlattr.c:635)
[  111.129215][ T1833]  ? __nla_parse (lib/nlattr.c:732)
[  111.129217][ T1833]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  111.129220][ T1833]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  111.129222][ T1833]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  111.129226][ T1833]  ? security_capable (security/security.c:660 (discriminator 11))
[  111.129228][ T1833]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  111.129231][ T1833]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  111.129233][ T1833]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  111.129237][ T1833]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  111.129239][ T1833]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  111.129242][ T1833]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  111.129244][ T1833]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  111.129245][ T1833]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  111.129248][ T1833]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  111.129250][ T1833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.129252][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.129253][ T1833]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  111.129255][ T1833]  genl_rcv (net/netlink/genetlink.c:1218)
[  111.129257][ T1833]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  111.129259][ T1833]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  111.129261][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.129263][ T1833]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  111.129265][ T1833]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  111.129267][ T1833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.129269][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.129270][ T1833]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  111.129273][ T1833]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  111.129276][ T1833]  __sys_sendto (net/socket.c:2281)
[  111.129278][ T1833]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  111.129282][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.129283][ T1833]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  111.129285][ T1833]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  111.129287][ T1833]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.129289][ T1833]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  111.129290][ T1833]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  111.129292][ T1833]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  111.129294][ T1833]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  111.129296][ T1833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  111.129298][ T1833] RIP: 0033:0x7f4b4b023312
[  111.129301][ T1833] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  111.129302][ T1833] RSP: 002b:00007ffc8de77a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  111.129306][ T1833] RAX: ffffffffffffffda RBX: 00007ffc8de77b78 RCX: 00007f4b4b023312
[  111.129308][ T1833] RDX: 0000000000000030 RSI: 00007f4b4842d2b0 RDI: 0000000000000020
[  111.129309][ T1833] RBP: 00007ffc8de77a70 R08: 00007ffc8de77bf0 R09: 000000000000000c
[  111.129309][ T1833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b48e860b0
[  111.129310][ T1833] R13: 00007ffc8de77b78 R14: 00007f4b4a94201a R15: 00007ffc8de77f68
| [  112.219592][ T1880] softirqs last disabled at (0): 0x0
| [  112.219594][ T1880] Preemption disabled at:
| [  112.219595][ T1880] vprintk_emit (kernel/printk/printk.c:2471)
| [  112.219605][ T1880] Tainted: [W]=WARN
[  112.219606][ T1880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.219608][ T1880] Call Trace:
[  112.219609][ T1880]  <TASK>
[  112.219611][ T1880]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  112.219617][ T1880]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  112.219618][ T1880]  __might_resched.cold (kernel/sched/core.c:9234)
[  112.219622][ T1880]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  112.219626][ T1880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.219628][ T1880]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  112.219631][ T1880]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  112.219634][ T1880]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.219639][ T1880]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  112.219641][ T1880]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.219644][ T1880]  put_chars (drivers/char/virtio_console.c:1176)
[  112.219645][ T1880]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  112.219647][ T1880]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  112.219650][ T1880]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  112.219652][ T1880]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  112.219656][ T1880]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  112.219659][ T1880]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  112.219660][ T1880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.219661][ T1880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.219663][ T1880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.219665][ T1880]  console_emit_next_record (kernel/printk/printk.c:3183)
[  112.219668][ T1880]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  112.219670][ T1880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.219671][ T1880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.219672][ T1880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.219673][ T1880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.219675][ T1880]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  112.219677][ T1880]  console_flush_one_record (kernel/printk/printk.c:3268)
[  112.219680][ T1880]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  112.219683][ T1880]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  112.219685][ T1880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.219686][ T1880]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  112.219688][ T1880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.219689][ T1880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  112.219691][ T1880]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  112.219692][ T1880]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  112.219694][ T1880]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  112.219696][ T1880]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  112.219698][ T1880]  vprintk_emit (kernel/printk/printk.c:2479)
[  112.219700][ T1880]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  112.219702][ T1880]  _printk (kernel/printk/printk.c:2504)
[  112.219705][ T1880]  ? snapshot_read.cold (user.c:?)
[  112.219707][ T1880]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  112.219710][ T1880]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  112.219714][ T1880]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  112.219716][ T1880]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  112.219719][ T1880]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  112.219721][ T1880]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  112.219724][ T1880]  ? netdev_notice (net/core/dev.c:13194)
[  112.219725][ T1880]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  112.219733][ T1880]  ? 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)
[  112.219735][ T1880]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  112.219737][ T1880]  netif_set_promiscuity (net/core/dev.c:9699)
[  112.219740][ T1880]  dev_set_promiscuity (net/core/dev_api.c:288)
[  112.219742][ T1880]  ? dev_disable_lro (net/core/dev_api.c:267)
[  112.219743][ T1880] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  112.219747][ T1880] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  112.219751][ T1880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  112.219753][ T1880] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  112.219758][ T1880]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  112.219761][ T1880] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  112.219766][ T1880]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  112.219773][ T1880]  ? __nla_validate_parse (lib/nlattr.c:635)
[  112.219777][ T1880]  ? __nla_parse (lib/nlattr.c:732)
[  112.219779][ T1880]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  112.219784][ T1880]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  112.219786][ T1880]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  112.219790][ T1880]  ? security_capable (security/security.c:660 (discriminator 11))
[  112.219793][ T1880]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  112.219796][ T1880]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  112.219798][ T1880]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  112.219802][ T1880]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  112.219805][ T1880]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  112.219807][ T1880]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  112.219810][ T1880]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  112.219811][ T1880]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  112.219814][ T1880]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  112.219816][ T1880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.219818][ T1880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.219819][ T1880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  112.219821][ T1880]  genl_rcv (net/netlink/genetlink.c:1218)
[  112.219823][ T1880]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  112.219826][ T1880]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  112.219827][ T1880]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  112.219831][ T1880]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  112.219833][ T1880]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  112.219836][ T1880]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  112.219838][ T1880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.219839][ T1880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.219841][ T1880]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  112.219844][ T1880]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  112.219847][ T1880]  __sys_sendto (net/socket.c:2281)
[  112.219849][ T1880]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  112.219851][ T1880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  112.219853][ T1880]  ? do_futex (kernel/futex/syscalls.c:133)
[  112.219856][ T1880]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  112.219858][ T1880]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  112.219860][ T1880]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  112.219862][ T1880]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  112.219864][ T1880]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  112.219865][ T1880]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  112.219866][ T1880]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  112.219870][ T1880]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  112.219872][ T1880]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.219874][ T1880] RIP: 0033:0x7fa107d5f312
[  112.219876][ T1880] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  112.219878][ T1880] RSP: 002b:00007ffcbefb8df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  112.219882][ T1880] RAX: ffffffffffffffda RBX: 00007ffcbefb8f28 RCX: 00007fa107d5f312
[  112.219884][ T1880] RDX: 0000000000000034 RSI: 00007fa1041762f0 RDI: 0000000000000023
[  112.219885][ T1880] RBP: 00007ffcbefb8e20 R08: 00007ffcbefb8fa0 R09: 000000000000000c
[  112.219885][ T1880] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa105bc2190
[  112.219886][ T1880] R13: 00007ffcbefb8f28 R14: 00007fa10767e01a R15: 00007ffcbefb9318
| [  114.045390][ T1909] softirqs last disabled at (0): 0x0
| [  114.045392][ T1909] Preemption disabled at:
| [  114.045392][ T1909] vprintk_emit (kernel/printk/printk.c:2471)
| [  114.045402][ T1909] Tainted: [W]=WARN
[  114.045403][ T1909] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.045405][ T1909] Call Trace:
[  114.045407][ T1909]  <TASK>
[  114.045408][ T1909]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  114.045413][ T1909]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  114.045415][ T1909]  __might_resched.cold (kernel/sched/core.c:9234)
[  114.045419][ T1909]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  114.045422][ T1909]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  114.045424][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045427][ T1909]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  114.045429][ T1909]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  114.045432][ T1909]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.045437][ T1909]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  114.045439][ T1909]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.045441][ T1909]  put_chars (drivers/char/virtio_console.c:1176)
[  114.045443][ T1909]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  114.045445][ T1909]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  114.045446][ T1909]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  114.045449][ T1909]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  114.045454][ T1909]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  114.045456][ T1909]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  114.045458][ T1909]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  114.045461][ T1909]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  114.045463][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045464][ T1909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.045466][ T1909]  console_emit_next_record (kernel/printk/printk.c:3183)
[  114.045469][ T1909]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  114.045473][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045474][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045475][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045476][ T1909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.045479][ T1909]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  114.045480][ T1909]  console_flush_one_record (kernel/printk/printk.c:3268)
[  114.045483][ T1909]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  114.045486][ T1909]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  114.045488][ T1909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.045489][ T1909]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  114.045491][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045492][ T1909]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.045494][ T1909]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  114.045495][ T1909]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  114.045497][ T1909]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  114.045499][ T1909]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  114.045500][ T1909]  vprintk_emit (kernel/printk/printk.c:2479)
[  114.045502][ T1909]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  114.045504][ T1909]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[  114.045507][ T1909]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  114.045510][ T1909]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[  114.045514][ T1909]  _printk (kernel/printk/printk.c:2504)
[  114.045517][ T1909]  ? snapshot_read.cold (user.c:?)
[  114.045519][ T1909]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  114.045522][ T1909]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  114.045525][ T1909]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  114.045527][ T1909]  ? netdev_notice (net/core/dev.c:13194)
[  114.045529][ T1909]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  114.045532][ T1909]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  114.045535][ T1909]  ? 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)
[  114.045537][ T1909]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  114.045539][ T1909]  netif_set_promiscuity (net/core/dev.c:9699)
[  114.045542][ T1909]  dev_set_promiscuity (net/core/dev_api.c:288)
[  114.045543][ T1909]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  114.045547][ T1909] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  114.045554][ T1909] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  114.045558][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045560][ T1909]  notifier_call_chain (kernel/notifier.c:85)
[  114.045563][ T1909]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  114.045566][ T1909]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  114.045568][ T1909]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  114.045570][ T1909]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.045572][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045573][ T1909]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  114.045574][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045580][ T1909]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  114.045583][ T1909]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.045585][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045586][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045587][ T1909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.045589][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045590][ T1909]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.045592][ T1909]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  114.045594][ T1909]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  114.045596][ T1909]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  114.045598][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045599][ T1909]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  114.045603][ T1909]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  114.045605][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045606][ T1909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.045608][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045609][ T1909]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  114.045611][ T1909]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.045612][ T1909]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.045614][ T1909]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  114.045617][ T1909]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  114.045621][ T1909]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  114.045624][ T1909]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.045625][ T1909]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.045627][ T1909]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  114.045629][ T1909]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  114.045632][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045633][ T1909]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  114.045635][ T1909]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.045637][ T1909]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  114.045639][ T1909]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.045641][ T1909]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.045643][ T1909]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  114.045645][ T1909]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  114.045647][ T1909]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.045648][ T1909]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  114.045651][ T1909]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  114.045654][ T1909]  ____sys_sendmsg (net/socket.c:2713)
[  114.045656][ T1909]  ? copy_msghdr_from_user (net/socket.c:2650)
[  114.045658][ T1909]  ? sock_write_iter (net/socket.c:1269)
[  114.045659][ T1909]  ? move_addr_to_kernel (net/socket.c:258)
[  114.045661][ T1909]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  114.045663][ T1909]  ___sys_sendmsg (net/socket.c:2767)
[  114.045665][ T1909]  ? copy_msghdr_from_user (net/socket.c:2619)
[  114.045670][ T1909]  __sys_sendmsg (net/socket.c:2799)
[  114.045672][ T1909]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  114.045675][ T1909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.045677][ T1909]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.045679][ T1909]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  114.045681][ T1909]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.045682][ T1909] RIP: 0033:0x7fa5c1ed354e
[  114.045684][ T1909] 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
[  114.045686][ T1909] RSP: 002b:00007ffff4987840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  114.045690][ T1909] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa5c1ed354e
[  114.045691][ T1909] RDX: 0000000000000000 RSI: 00007ffff49878f0 RDI: 0000000000000005
[  114.045692][ T1909] RBP: 00007ffff4987850 R08: 0000000000000000 R09: 0000000000000000
[  114.045693][ T1909] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8fc
[  114.045694][ T1909] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff4987fb0
| [  116.453921][ T1960] softirqs last disabled at (0): 0x0
| [  116.453923][ T1960] Preemption disabled at:
| [  116.453923][ T1960] vprintk_emit (kernel/printk/printk.c:2471)
| [  116.453933][ T1960] Tainted: [W]=WARN
[  116.453934][ T1960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.453936][ T1960] Call Trace:
[  116.453938][ T1960]  <TASK>
[  116.453939][ T1960]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  116.453945][ T1960]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  116.453946][ T1960]  __might_resched.cold (kernel/sched/core.c:9234)
[  116.453950][ T1960]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  116.453953][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.453956][ T1960]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  116.453959][ T1960]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  116.453962][ T1960]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.453967][ T1960]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  116.453969][ T1960]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.453972][ T1960]  put_chars (drivers/char/virtio_console.c:1176)
[  116.453973][ T1960]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  116.453974][ T1960]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  116.453977][ T1960]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  116.453980][ T1960]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  116.453984][ T1960]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  116.453986][ T1960]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  116.453988][ T1960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.453991][ T1960]  console_emit_next_record (kernel/printk/printk.c:3183)
[  116.453994][ T1960]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  116.453996][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.453997][ T1960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.453999][ T1960]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  116.454001][ T1960]  console_flush_one_record (kernel/printk/printk.c:3268)
[  116.454003][ T1960]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  116.454006][ T1960]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  116.454008][ T1960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.454010][ T1960]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  116.454012][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.454013][ T1960]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.454014][ T1960]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  116.454016][ T1960]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  116.454017][ T1960]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  116.454020][ T1960]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  116.454021][ T1960]  vprintk_emit (kernel/printk/printk.c:2479)
[  116.454023][ T1960]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  116.454024][ T1960]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  116.454028][ T1960]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  116.454031][ T1960]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  116.454034][ T1960]  _printk (kernel/printk/printk.c:2504)
[  116.454037][ T1960]  ? snapshot_read.cold (user.c:?)
[  116.454040][ T1960]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  116.454043][ T1960]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  116.454046][ T1960]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  116.454048][ T1960]  ? netdev_notice (net/core/dev.c:13194)
[  116.454050][ T1960]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  116.454054][ T1960]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  116.454058][ T1960]  ? register_netdevice (net/core/dev.c:11556)
[  116.454060][ T1960]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.454062][ T1960]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  116.454064][ T1960]  ? unregister_netdev (net/core/dev.c:12699)
[  116.454065][ T1960]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  116.454068][ T1960]  netif_set_promiscuity (net/core/dev.c:9699)
[  116.454070][ T1960]  dev_set_promiscuity (net/core/dev_api.c:288)
[  116.454073][ T1960] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  116.454080][ T1960] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  116.454085][ T1960] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  116.454090][ T1960] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  116.454094][ T1960]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  116.454098][ T1960]  ? __nla_validate_parse (lib/nlattr.c:635)
[  116.454107][ T1960]  ? __nla_parse (lib/nlattr.c:732)
[  116.454109][ T1960]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  116.454112][ T1960]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  116.454114][ T1960]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  116.454118][ T1960]  ? security_capable (security/security.c:660 (discriminator 11))
[  116.454121][ T1960]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  116.454124][ T1960]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  116.454126][ T1960]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  116.454129][ T1960]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  116.454132][ T1960]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  116.454135][ T1960]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  116.454137][ T1960]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  116.454139][ T1960]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  116.454141][ T1960]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  116.454144][ T1960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.454146][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.454147][ T1960]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.454149][ T1960]  genl_rcv (net/netlink/genetlink.c:1218)
[  116.454151][ T1960]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.454153][ T1960]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  116.454155][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.454157][ T1960]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  116.454159][ T1960]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  116.454161][ T1960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.454163][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.454164][ T1960]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  116.454167][ T1960]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  116.454170][ T1960]  __sys_sendto (net/socket.c:2281)
[  116.454172][ T1960]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  116.454176][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.454178][ T1960]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.454180][ T1960]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  116.454182][ T1960]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.454183][ T1960]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  116.454185][ T1960]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  116.454186][ T1960]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  116.454189][ T1960]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  116.454191][ T1960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.454193][ T1960] RIP: 0033:0x7ff66c5ab312
[  116.454195][ T1960] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  116.454197][ T1960] RSP: 002b:00007ffe09e30508 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  116.454201][ T1960] RAX: ffffffffffffffda RBX: 00007ffe09e30638 RCX: 00007ff66c5ab312
[  116.454202][ T1960] RDX: 0000000000000034 RSI: 00007ff6681ad3f0 RDI: 0000000000000020
[  116.454203][ T1960] RBP: 00007ffe09e30530 R08: 00007ffe09e306b0 R09: 000000000000000c
[  116.454204][ T1960] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff66a40e0b0
[  116.454205][ T1960] R13: 00007ffe09e30638 R14: 00007ff66beca01a R15: 00007ffe09e30a28
| [  117.507345][ T2005] softirqs last disabled at (0): 0x0
| [  117.507347][ T2005] Preemption disabled at:
| [  117.507347][ T2005] vprintk_emit (kernel/printk/printk.c:2471)
| [  117.507358][ T2005] Tainted: [W]=WARN
[  117.507359][ T2005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.507361][ T2005] Call Trace:
[  117.507363][ T2005]  <TASK>
[  117.507364][ T2005]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  117.507370][ T2005]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  117.507372][ T2005]  __might_resched.cold (kernel/sched/core.c:9234)
[  117.507376][ T2005]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  117.507379][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507382][ T2005]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  117.507385][ T2005]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.507388][ T2005]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.507393][ T2005]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  117.507395][ T2005]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.507397][ T2005]  put_chars (drivers/char/virtio_console.c:1176)
[  117.507399][ T2005]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  117.507400][ T2005]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  117.507404][ T2005]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  117.507406][ T2005]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  117.507411][ T2005]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  117.507413][ T2005]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.507415][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507416][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507417][ T2005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.507420][ T2005]  console_emit_next_record (kernel/printk/printk.c:3183)
[  117.507422][ T2005]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  117.507425][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507426][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507427][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507428][ T2005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.507430][ T2005]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  117.507431][ T2005]  console_flush_one_record (kernel/printk/printk.c:3268)
[  117.507434][ T2005]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  117.507437][ T2005]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  117.507439][ T2005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.507440][ T2005]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  117.507442][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507443][ T2005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.507445][ T2005]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  117.507446][ T2005]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  117.507448][ T2005]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  117.507450][ T2005]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  117.507451][ T2005]  vprintk_emit (kernel/printk/printk.c:2479)
[  117.507453][ T2005]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  117.507455][ T2005]  _printk (kernel/printk/printk.c:2504)
[  117.507458][ T2005]  ? snapshot_read.cold (user.c:?)
[  117.507460][ T2005]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  117.507463][ T2005]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  117.507467][ T2005]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  117.507469][ T2005]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  117.507472][ T2005]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  117.507474][ T2005]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  117.507476][ T2005]  ? netdev_notice (net/core/dev.c:13194)
[  117.507478][ T2005]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  117.507486][ T2005]  ? 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)
[  117.507488][ T2005]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  117.507490][ T2005]  netif_set_promiscuity (net/core/dev.c:9699)
[  117.507493][ T2005]  dev_set_promiscuity (net/core/dev_api.c:288)
[  117.507495][ T2005]  ? dev_disable_lro (net/core/dev_api.c:267)
[  117.507496][ T2005] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  117.507501][ T2005] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  117.507504][ T2005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.507506][ T2005] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  117.507511][ T2005]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  117.507515][ T2005] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  117.507519][ T2005]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  117.507523][ T2005]  ? __nla_validate_parse (lib/nlattr.c:635)
[  117.507527][ T2005]  ? __nla_parse (lib/nlattr.c:732)
[  117.507529][ T2005]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  117.507533][ T2005]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  117.507535][ T2005]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  117.507539][ T2005]  ? security_capable (security/security.c:660 (discriminator 11))
[  117.507542][ T2005]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  117.507544][ T2005]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  117.507546][ T2005]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  117.507550][ T2005]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  117.507553][ T2005]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  117.507556][ T2005]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  117.507558][ T2005]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  117.507560][ T2005]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  117.507562][ T2005]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  117.507565][ T2005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.507566][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507568][ T2005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.507570][ T2005]  genl_rcv (net/netlink/genetlink.c:1218)
[  117.507571][ T2005]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.507574][ T2005]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  117.507576][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507577][ T2005]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  117.507580][ T2005]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  117.507581][ T2005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.507583][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507585][ T2005]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  117.507588][ T2005]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  117.507591][ T2005]  __sys_sendto (net/socket.c:2281)
[  117.507593][ T2005]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  117.507597][ T2005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.507598][ T2005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.507600][ T2005]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  117.507602][ T2005]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.507605][ T2005]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  117.507607][ T2005]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  117.507608][ T2005]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.507612][ T2005]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  117.507614][ T2005]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.507616][ T2005] RIP: 0033:0x7f3eac762312
[  117.507619][ T2005] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  117.507620][ T2005] RSP: 002b:00007ffe2578e628 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  117.507625][ T2005] RAX: ffffffffffffffda RBX: 00007ffe2578e758 RCX: 00007f3eac762312
[  117.507626][ T2005] RDX: 0000000000000034 RSI: 00007f3ea8374330 RDI: 0000000000000023
[  117.507627][ T2005] RBP: 00007ffe2578e650 R08: 00007ffe2578e7d0 R09: 000000000000000c
[  117.507628][ T2005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3eaa5c2190
[  117.507629][ T2005] R13: 00007ffe2578e758 R14: 00007f3eac08101a R15: 00007ffe2578eb48
| [  118.875058][ T2043] softirqs last disabled at (0): 0x0
| [  118.875060][ T2043] Preemption disabled at:
| [  118.875061][ T2043] vprintk_emit (kernel/printk/printk.c:2471)
| [  118.875072][ T2043] Tainted: [W]=WARN
[  118.875073][ T2043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.875074][ T2043] Call Trace:
[  118.875076][ T2043]  <TASK>
[  118.875077][ T2043]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.875083][ T2043]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  118.875085][ T2043]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.875089][ T2043]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.875093][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875095][ T2043]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  118.875099][ T2043]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.875102][ T2043]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.875107][ T2043]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  118.875109][ T2043]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.875112][ T2043]  put_chars (drivers/char/virtio_console.c:1176)
[  118.875113][ T2043]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.875115][ T2043]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  118.875118][ T2043]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  118.875120][ T2043]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.875131][ T2043]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.875133][ T2043]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.875135][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875136][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875137][ T2043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.875140][ T2043]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.875143][ T2043]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.875146][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875147][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875148][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875149][ T2043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.875152][ T2043]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  118.875154][ T2043]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.875157][ T2043]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.875160][ T2043]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.875162][ T2043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.875164][ T2043]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.875166][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875167][ T2043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.875169][ T2043]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  118.875171][ T2043]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  118.875172][ T2043]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.875175][ T2043]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.875176][ T2043]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.875178][ T2043]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.875181][ T2043]  _printk (kernel/printk/printk.c:2504)
[  118.875184][ T2043]  ? snapshot_read.cold (user.c:?)
[  118.875186][ T2043]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  118.875189][ T2043]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  118.875193][ T2043]  ? 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)
[  118.875194][ T2043]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  118.875196][ T2043]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  118.875199][ T2043]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  118.875202][ T2043]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  118.875204][ T2043]  ? netdev_notice (net/core/dev.c:13194)
[  118.875206][ T2043]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  118.875214][ T2043]  ? 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)
[  118.875216][ T2043]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  118.875218][ T2043]  netif_set_promiscuity (net/core/dev.c:9699)
[  118.875221][ T2043]  dev_set_promiscuity (net/core/dev_api.c:288)
[  118.875222][ T2043]  ? dev_disable_lro (net/core/dev_api.c:267)
[  118.875224][ T2043] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  118.875229][ T2043] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  118.875233][ T2043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.875235][ T2043] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  118.875240][ T2043]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  118.875244][ T2043] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  118.875249][ T2043]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  118.875253][ T2043]  ? __nla_validate_parse (lib/nlattr.c:635)
[  118.875257][ T2043]  ? __nla_parse (lib/nlattr.c:732)
[  118.875259][ T2043]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  118.875264][ T2043]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  118.875267][ T2043]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  118.875271][ T2043]  ? security_capable (security/security.c:660 (discriminator 11))
[  118.875274][ T2043]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  118.875277][ T2043]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  118.875279][ T2043]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  118.875283][ T2043]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.875286][ T2043]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  118.875289][ T2043]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  118.875292][ T2043]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.875294][ T2043]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  118.875296][ T2043]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.875299][ T2043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.875301][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875303][ T2043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.875305][ T2043]  genl_rcv (net/netlink/genetlink.c:1218)
[  118.875307][ T2043]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.875310][ T2043]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.875312][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875313][ T2043]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.875316][ T2043]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  118.875318][ T2043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.875320][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875322][ T2043]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  118.875325][ T2043]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  118.875328][ T2043]  __sys_sendto (net/socket.c:2281)
[  118.875330][ T2043]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  118.875335][ T2043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.875336][ T2043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.875339][ T2043]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  118.875341][ T2043]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  118.875344][ T2043]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  118.875346][ T2043]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  118.875347][ T2043]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.875351][ T2043]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  118.875353][ T2043]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.875355][ T2043] RIP: 0033:0x7f5a59756312
[  118.875358][ T2043] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  118.875360][ T2043] RSP: 002b:00007ffc5e7ae028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  118.875364][ T2043] RAX: ffffffffffffffda RBX: 00007ffc5e7ae158 RCX: 00007f5a59756312
[  118.875365][ T2043] RDX: 0000000000000038 RSI: 00007f5a541c7e30 RDI: 0000000000000023
[  118.875366][ T2043] RBP: 00007ffc5e7ae050 R08: 00007ffc5e7ae1d0 R09: 000000000000000c
[  118.875367][ T2043] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5a575b6190
[  118.875368][ T2043] R13: 00007ffc5e7ae158 R14: 00007f5a5907501a R15: 00007ffc5e7ae548
| [  125.019537][ T2170] softirqs last disabled at (0): 0x0
| [  125.019538][ T2170] Preemption disabled at:
| [  125.019539][ T2170] vprintk_emit (kernel/printk/printk.c:2471)
| [  125.019549][ T2170] Tainted: [W]=WARN
[  125.019550][ T2170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  125.019552][ T2170] Call Trace:
[  125.019554][ T2170]  <TASK>
[  125.019555][ T2170]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  125.019560][ T2170]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  125.019562][ T2170]  __might_resched.cold (kernel/sched/core.c:9234)
[  125.019565][ T2170]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  125.019569][ T2170]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  125.019571][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019573][ T2170]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  125.019576][ T2170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  125.019579][ T2170]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.019584][ T2170]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  125.019586][ T2170]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.019588][ T2170]  put_chars (drivers/char/virtio_console.c:1176)
[  125.019590][ T2170]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  125.019591][ T2170]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  125.019593][ T2170]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  125.019596][ T2170]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  125.019600][ T2170]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  125.019603][ T2170]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  125.019604][ T2170]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  125.019608][ T2170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  125.019609][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019611][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.019613][ T2170]  console_emit_next_record (kernel/printk/printk.c:3183)
[  125.019616][ T2170]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  125.019618][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019619][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019620][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019621][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.019624][ T2170]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  125.019625][ T2170]  console_flush_one_record (kernel/printk/printk.c:3268)
[  125.019628][ T2170]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  125.019631][ T2170]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  125.019633][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.019635][ T2170]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  125.019636][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019637][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.019639][ T2170]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  125.019640][ T2170]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  125.019642][ T2170]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  125.019644][ T2170]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  125.019645][ T2170]  vprintk_emit (kernel/printk/printk.c:2479)
[  125.019647][ T2170]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  125.019649][ T2170]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  125.019652][ T2170]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  125.019658][ T2170]  _printk (kernel/printk/printk.c:2504)
[  125.019661][ T2170]  ? snapshot_read.cold (user.c:?)
[  125.019664][ T2170]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  125.019667][ T2170]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  125.019669][ T2170]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  125.019672][ T2170]  ? netdev_notice (net/core/dev.c:13194)
[  125.019673][ T2170]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  125.019676][ T2170]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  125.019679][ T2170]  ? 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)
[  125.019680][ T2170]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  125.019683][ T2170]  netif_set_promiscuity (net/core/dev.c:9699)
[  125.019685][ T2170]  dev_set_promiscuity (net/core/dev_api.c:288)
[  125.019687][ T2170]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  125.019691][ T2170] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  125.019697][ T2170] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  125.019701][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019703][ T2170]  notifier_call_chain (kernel/notifier.c:85)
[  125.019706][ T2170]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  125.019709][ T2170]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  125.019711][ T2170]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  125.019713][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.019715][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019716][ T2170]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  125.019717][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019723][ T2170]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  125.019726][ T2170]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  125.019728][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019729][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019730][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.019732][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019733][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.019735][ T2170]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  125.019737][ T2170]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  125.019739][ T2170]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  125.019741][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019742][ T2170]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  125.019745][ T2170]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  125.019748][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019749][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.019750][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019751][ T2170]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  125.019753][ T2170]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  125.019754][ T2170]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.019756][ T2170]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  125.019759][ T2170]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  125.019763][ T2170]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  125.019766][ T2170]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.019767][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.019771][ T2170]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  125.019772][ T2170]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  125.019775][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019777][ T2170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  125.019779][ T2170]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  125.019781][ T2170]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  125.019783][ T2170]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  125.019785][ T2170]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  125.019787][ T2170]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  125.019789][ T2170]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  125.019790][ T2170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.019792][ T2170]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  125.019795][ T2170]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  125.019798][ T2170]  ____sys_sendmsg (net/socket.c:2713)
[  125.019800][ T2170]  ? copy_msghdr_from_user (net/socket.c:2650)
[  125.019801][ T2170]  ? sock_write_iter (net/socket.c:1269)
[  125.019803][ T2170]  ? move_addr_to_kernel (net/socket.c:258)
[  125.019804][ T2170]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  125.019807][ T2170]  ___sys_sendmsg (net/socket.c:2767)
[  125.019809][ T2170]  ? copy_msghdr_from_user (net/socket.c:2619)
[  125.019814][ T2170]  __sys_sendmsg (net/socket.c:2799)
[  125.019816][ T2170]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  125.019819][ T2170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.019820][ T2170]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  125.019823][ T2170]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  125.019825][ T2170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  125.019826][ T2170] RIP: 0033:0x7f259c5a654e
[  125.019828][ T2170] 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
[  125.019830][ T2170] RSP: 002b:00007ffc3a61ad90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  125.019834][ T2170] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f259c5a654e
[  125.019835][ T2170] RDX: 0000000000000000 RSI: 00007ffc3a61ae40 RDI: 0000000000000005
[  125.019836][ T2170] RBP: 00007ffc3a61ada0 R08: 0000000000000000 R09: 0000000000000000
[  125.019837][ T2170] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d907
[  125.019838][ T2170] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3a61b500
| [  127.957085][ T2233] softirqs last disabled at (0): 0x0
| [  127.957088][ T2233] Preemption disabled at:
| [  127.957089][ T2233] vprintk_emit (kernel/printk/printk.c:2471)
| [  127.957102][ T2233] Tainted: [W]=WARN
[  127.957103][ T2233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  127.957106][ T2233] Call Trace:
[  127.957108][ T2233]  <TASK>
[  127.957110][ T2233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  127.957117][ T2233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  127.957119][ T2233]  __might_resched.cold (kernel/sched/core.c:9234)
[  127.957124][ T2233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  127.957128][ T2233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.957131][ T2233]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  127.957134][ T2233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  127.957138][ T2233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  127.957144][ T2233]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  127.957146][ T2233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  127.957150][ T2233]  put_chars (drivers/char/virtio_console.c:1176)
[  127.957152][ T2233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  127.957155][ T2233]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  127.957159][ T2233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  127.957165][ T2233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  127.957168][ T2233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  127.957170][ T2233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.957172][ T2233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  127.957175][ T2233]  console_emit_next_record (kernel/printk/printk.c:3183)
[  127.957179][ T2233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  127.957182][ T2233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.957184][ T2233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.957185][ T2233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.957187][ T2233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  127.957190][ T2233]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  127.957193][ T2233]  console_flush_one_record (kernel/printk/printk.c:3268)
[  127.957196][ T2233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  127.957201][ T2233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  127.957211][ T2233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  127.957213][ T2233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  127.957216][ T2233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.957218][ T2233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  127.957220][ T2233]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  127.957223][ T2233]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  127.957225][ T2233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  127.957228][ T2233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  127.957231][ T2233]  vprintk_emit (kernel/printk/printk.c:2479)
[  127.957233][ T2233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  127.957235][ T2233]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  127.957238][ T2233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.957240][ T2233]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  127.957245][ T2233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  127.957248][ T2233]  _printk (kernel/printk/printk.c:2504)
[  127.957252][ T2233]  ? snapshot_read.cold (user.c:?)
[  127.957254][ T2233]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  127.957259][ T2233]  ? idr_get_free (??:?)
[  127.957262][ T2233]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  127.957266][ T2233]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  127.957274][ T2233]  ? nla_get_range_signed (lib/nlattr.c:270)
[  127.957279][ T2233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.957280][ T2233]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  127.957284][ T2233]  __nla_validate_parse (lib/nlattr.c:635)
[  127.957289][ T2233]  __nla_parse (lib/nlattr.c:732)
[  127.957291][ T2233]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  127.957295][ T2233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  127.957298][ T2233]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  127.957301][ T2233]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  127.957307][ T2233]  ? security_capable (security/security.c:660 (discriminator 11))
[  127.957311][ T2233]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  127.957314][ T2233]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  127.957317][ T2233]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  127.957327][ T2233]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  127.957331][ T2233]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  127.957335][ T2233]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  127.957338][ T2233]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  127.957340][ T2233]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  127.957344][ T2233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  127.957348][ T2233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  127.957350][ T2233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.957352][ T2233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  127.957355][ T2233]  genl_rcv (net/netlink/genetlink.c:1218)
[  127.957357][ T2233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  127.957360][ T2233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  127.957364][ T2233]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  127.957368][ T2233]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  127.957370][ T2233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  127.957373][ T2233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.957375][ T2233]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  127.957379][ T2233]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  127.957383][ T2233]  __sys_sendto (net/socket.c:2281)
[  127.957386][ T2233]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  127.957392][ T2233]  ? fput_close_sync (fs/file_table.c:617)
[  127.957395][ T2233]  ? alloc_file_clone (fs/file_table.c:479)
[  127.957398][ T2233]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  127.957401][ T2233]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  127.957403][ T2233]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  127.957405][ T2233]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  127.957407][ T2233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  127.957411][ T2233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  127.957414][ T2233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  127.957417][ T2233] RIP: 0033:0x7f3dd0f97312
[  127.957419][ T2233] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  127.957421][ T2233] RSP: 002b:00007ffea96c1d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  127.957426][ T2233] RAX: ffffffffffffffda RBX: 00007ffea96c1e98 RCX: 00007f3dd0f97312
[  127.957428][ T2233] RDX: 0000000000000048 RSI: 00007f3dccb67000 RDI: 0000000000000020
[  127.957429][ T2233] RBP: 00007ffea96c1d90 R08: 00007ffea96c1f10 R09: 000000000000000c
[  127.957430][ T2233] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3dcedfa0b0
[  127.957432][ T2233] R13: 00007ffea96c1e98 R14: 00007f3dd08b601a R15: 00007ffea96c2288
| [  129.953415][ T2320] softirqs last disabled at (0): 0x0
| [  129.953417][ T2320] Preemption disabled at:
| [  129.953419][ T2320] vprintk_emit (kernel/printk/printk.c:2471)
| [  129.953432][ T2320] Tainted: [W]=WARN
[  129.953433][ T2320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  129.953436][ T2320] Call Trace:
[  129.953439][ T2320]  <TASK>
[  129.953441][ T2320]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  129.953448][ T2320]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  129.953450][ T2320]  __might_resched.cold (kernel/sched/core.c:9234)
[  129.953456][ T2320]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  129.953460][ T2320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.953464][ T2320]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  129.953468][ T2320]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.953472][ T2320]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.953479][ T2320]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  129.953482][ T2320]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.953485][ T2320]  put_chars (drivers/char/virtio_console.c:1176)
[  129.953488][ T2320]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  129.953491][ T2320]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  129.953495][ T2320]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  129.953498][ T2320]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  129.953505][ T2320]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  129.953508][ T2320]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.953511][ T2320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.953512][ T2320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.953515][ T2320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.953518][ T2320]  console_emit_next_record (kernel/printk/printk.c:3183)
[  129.953522][ T2320]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  129.953526][ T2320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.953528][ T2320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.953529][ T2320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.953531][ T2320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.953534][ T2320]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  129.953536][ T2320]  console_flush_one_record (kernel/printk/printk.c:3268)
[  129.953540][ T2320]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  129.953544][ T2320]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  129.953547][ T2320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.953550][ T2320]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  129.953552][ T2320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.953554][ T2320]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  129.953557][ T2320]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  129.953559][ T2320]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  129.953561][ T2320]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  129.953564][ T2320]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  129.953567][ T2320]  vprintk_emit (kernel/printk/printk.c:2479)
[  129.953570][ T2320]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  129.953573][ T2320]  _printk (kernel/printk/printk.c:2504)
[  129.953577][ T2320]  ? snapshot_read.cold (user.c:?)
[  129.953580][ T2320]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  129.953583][ T2320]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  129.953588][ T2320]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  129.953591][ T2320]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  129.953595][ T2320]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  129.953598][ T2320]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  129.953602][ T2320]  ? netdev_notice (net/core/dev.c:13194)
[  129.953604][ T2320]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  129.953615][ T2320]  ? 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)
[  129.953618][ T2320]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  129.953621][ T2320]  netif_set_promiscuity (net/core/dev.c:9699)
[  129.953625][ T2320]  dev_set_promiscuity (net/core/dev_api.c:288)
[  129.953627][ T2320]  ? dev_disable_lro (net/core/dev_api.c:267)
[  129.953630][ T2320] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  129.953637][ T2320] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  129.953643][ T2320]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  129.953646][ T2320] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  129.953653][ T2320]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  129.953659][ T2320] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  129.953666][ T2320]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  129.953671][ T2320]  ? __nla_validate_parse (lib/nlattr.c:635)
[  129.953677][ T2320]  ? __nla_parse (lib/nlattr.c:732)
[  129.953680][ T2320]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  129.953686][ T2320]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  129.953690][ T2320]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  129.953695][ T2320]  ? security_capable (security/security.c:660 (discriminator 11))
[  129.953700][ T2320]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  129.953704][ T2320]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  129.953707][ T2320]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  129.953713][ T2320]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  129.953717][ T2320]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  129.953721][ T2320]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  129.953724][ T2320]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  129.953727][ T2320]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  129.953730][ T2320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  129.953734][ T2320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.953737][ T2320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.953739][ T2320]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  129.953742][ T2320]  genl_rcv (net/netlink/genetlink.c:1218)
[  129.953745][ T2320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  129.953749][ T2320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  129.953752][ T2320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.953753][ T2320]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  129.953757][ T2320]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  129.953760][ T2320]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  129.953763][ T2320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.953771][ T2320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.953774][ T2320]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  129.953777][ T2320]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  129.953782][ T2320]  __sys_sendto (net/socket.c:2281)
[  129.953785][ T2320]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  129.953792][ T2320]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  129.953795][ T2320]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  129.953799][ T2320]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  129.953802][ T2320]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  129.953804][ T2320]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  129.953809][ T2320]  ? irq_exit_rcu (kernel/softirq.c:786)
[  129.953813][ T2320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  129.953816][ T2320] RIP: 0033:0x7f441b399312
[  129.953819][ T2320] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  129.953822][ T2320] RSP: 002b:00007fff0800be98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  129.953827][ T2320] RAX: ffffffffffffffda RBX: 00007fff0800bfc8 RCX: 00007f441b399312
[  129.953829][ T2320] RDX: 0000000000000030 RSI: 00007f4412f24cb0 RDI: 0000000000000023
[  129.953830][ T2320] RBP: 00007fff0800bec0 R08: 00007fff0800c040 R09: 000000000000000c
[  129.953832][ T2320] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44191f2270
[  129.953834][ T2320] R13: 00007fff0800bfc8 R14: 00007f441acb801a R15: 00007fff0800c3b8
| [  152.937026][ T2491] softirqs last disabled at (0): 0x0
| [  152.937028][ T2491] Preemption disabled at:
| [  152.937029][ T2491] vprintk_emit (kernel/printk/printk.c:2471)
| [  152.937039][ T2491] Tainted: [W]=WARN
[  152.937040][ T2491] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.937042][ T2491] Call Trace:
[  152.937044][ T2491]  <TASK>
[  152.937045][ T2491]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  152.937050][ T2491]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  152.937052][ T2491]  __might_resched.cold (kernel/sched/core.c:9234)
[  152.937056][ T2491]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  152.937059][ T2491]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  152.937061][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937063][ T2491]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  152.937066][ T2491]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.937069][ T2491]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.937074][ T2491]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  152.937075][ T2491]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.937078][ T2491]  put_chars (drivers/char/virtio_console.c:1176)
[  152.937080][ T2491]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  152.937081][ T2491]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  152.937083][ T2491]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  152.937086][ T2491]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  152.937090][ T2491]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  152.937092][ T2491]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  152.937094][ T2491]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  152.937097][ T2491]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.937099][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937100][ T2491]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.937103][ T2491]  console_emit_next_record (kernel/printk/printk.c:3183)
[  152.937105][ T2491]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  152.937107][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937108][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937109][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937110][ T2491]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.937112][ T2491]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  152.937114][ T2491]  console_flush_one_record (kernel/printk/printk.c:3268)
[  152.937116][ T2491]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  152.937119][ T2491]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  152.937121][ T2491]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.937123][ T2491]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  152.937124][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937125][ T2491]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.937127][ T2491]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  152.937129][ T2491]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  152.937130][ T2491]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  152.937132][ T2491]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  152.937133][ T2491]  vprintk_emit (kernel/printk/printk.c:2479)
[  152.937135][ T2491]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  152.937136][ T2491]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  152.937139][ T2491]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  152.937146][ T2491]  _printk (kernel/printk/printk.c:2504)
[  152.937149][ T2491]  ? snapshot_read.cold (user.c:?)
[  152.937151][ T2491]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  152.937155][ T2491]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  152.937157][ T2491]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  152.937159][ T2491]  ? netdev_notice (net/core/dev.c:13194)
[  152.937160][ T2491]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  152.937163][ T2491]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  152.937166][ T2491]  ? 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)
[  152.937168][ T2491]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  152.937170][ T2491]  netif_set_promiscuity (net/core/dev.c:9699)
[  152.937172][ T2491]  dev_set_promiscuity (net/core/dev_api.c:288)
[  152.937174][ T2491]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  152.937178][ T2491] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  152.937184][ T2491] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  152.937188][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937190][ T2491]  notifier_call_chain (kernel/notifier.c:85)
[  152.937193][ T2491]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  152.937196][ T2491]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  152.937198][ T2491]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  152.937200][ T2491]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.937201][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937203][ T2491]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  152.937204][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937210][ T2491]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  152.937212][ T2491]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.937214][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937215][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937216][ T2491]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.937218][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937219][ T2491]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.937221][ T2491]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  152.937223][ T2491]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  152.937225][ T2491]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  152.937227][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937228][ T2491]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  152.937231][ T2491]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  152.937234][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937235][ T2491]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.937237][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937238][ T2491]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  152.937239][ T2491]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  152.937241][ T2491]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.937242][ T2491]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.937245][ T2491]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  152.937249][ T2491]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  152.937252][ T2491]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.937253][ T2491]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.937255][ T2491]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  152.937256][ T2491]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  152.937259][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937260][ T2491]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.937262][ T2491]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  152.937265][ T2491]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  152.937266][ T2491]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.937268][ T2491]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  152.937270][ T2491]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  152.937272][ T2491]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  152.937273][ T2491]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.937275][ T2491]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  152.937278][ T2491]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  152.937281][ T2491]  ____sys_sendmsg (net/socket.c:2713)
[  152.937283][ T2491]  ? copy_msghdr_from_user (net/socket.c:2650)
[  152.937285][ T2491]  ? sock_write_iter (net/socket.c:1269)
[  152.937286][ T2491]  ? move_addr_to_kernel (net/socket.c:258)
[  152.937287][ T2491]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.937290][ T2491]  ___sys_sendmsg (net/socket.c:2767)
[  152.937292][ T2491]  ? copy_msghdr_from_user (net/socket.c:2619)
[  152.937297][ T2491]  __sys_sendmsg (net/socket.c:2799)
[  152.937299][ T2491]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  152.937302][ T2491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.937304][ T2491]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  152.937306][ T2491]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  152.937309][ T2491]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.937311][ T2491] RIP: 0033:0x7f9f1e89c54e
[  152.937313][ T2491] 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
[  152.937314][ T2491] RSP: 002b:00007ffdfbeb96a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  152.937318][ T2491] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9f1e89c54e
[  152.937320][ T2491] RDX: 0000000000000000 RSI: 00007ffdfbeb9750 RDI: 0000000000000005
[  152.937321][ T2491] RBP: 00007ffdfbeb96b0 R08: 0000000000000000 R09: 0000000000000000
[  152.937321][ T2491] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d923
[  152.937322][ T2491] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfbeb9e10
| [  155.515703][ T2548] softirqs last disabled at (0): 0x0
| [  155.515705][ T2548] Preemption disabled at:
| [  155.515706][ T2548] vprintk_emit (kernel/printk/printk.c:2471)
| [  155.515715][ T2548] Tainted: [W]=WARN
[  155.515717][ T2548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  155.515718][ T2548] Call Trace:
[  155.515720][ T2548]  <TASK>
[  155.515721][ T2548]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  155.515727][ T2548]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  155.515728][ T2548]  __might_resched.cold (kernel/sched/core.c:9234)
[  155.515732][ T2548]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  155.515735][ T2548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.515738][ T2548]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  155.515741][ T2548]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  155.515744][ T2548]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  155.515748][ T2548]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  155.515750][ T2548]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  155.515753][ T2548]  put_chars (drivers/char/virtio_console.c:1176)
[  155.515754][ T2548]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  155.515756][ T2548]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  155.515759][ T2548]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  155.515764][ T2548]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  155.515766][ T2548]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  155.515771][ T2548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.515772][ T2548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.515775][ T2548]  console_emit_next_record (kernel/printk/printk.c:3183)
[  155.515777][ T2548]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  155.515780][ T2548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.515781][ T2548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.515782][ T2548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.515783][ T2548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.515785][ T2548]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  155.515787][ T2548]  console_flush_one_record (kernel/printk/printk.c:3268)
[  155.515789][ T2548]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  155.515792][ T2548]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  155.515794][ T2548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.515795][ T2548]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  155.515797][ T2548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.515798][ T2548]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  155.515799][ T2548]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  155.515801][ T2548]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  155.515802][ T2548]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  155.515804][ T2548]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  155.515806][ T2548]  vprintk_emit (kernel/printk/printk.c:2479)
[  155.515807][ T2548]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  155.515808][ T2548]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  155.515810][ T2548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.515811][ T2548]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  155.515815][ T2548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.515817][ T2548]  _printk (kernel/printk/printk.c:2504)
[  155.515820][ T2548]  ? snapshot_read.cold (user.c:?)
[  155.515821][ T2548]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  155.515825][ T2548]  ? idr_get_free (??:?)
[  155.515827][ T2548]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  155.515830][ T2548]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  155.515837][ T2548]  ? nla_get_range_signed (lib/nlattr.c:270)
[  155.515841][ T2548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.515842][ T2548]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  155.515845][ T2548]  __nla_validate_parse (lib/nlattr.c:635)
[  155.515848][ T2548]  __nla_parse (lib/nlattr.c:732)
[  155.515850][ T2548]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  155.515852][ T2548]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  155.515854][ T2548]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  155.515856][ T2548]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  155.515860][ T2548]  ? security_capable (security/security.c:660 (discriminator 11))
[  155.515863][ T2548]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  155.515865][ T2548]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  155.515867][ T2548]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  155.515874][ T2548]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  155.515877][ T2548]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  155.515880][ T2548]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  155.515882][ T2548]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  155.515883][ T2548]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  155.515885][ T2548]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  155.515888][ T2548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.515890][ T2548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.515891][ T2548]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  155.515893][ T2548]  genl_rcv (net/netlink/genetlink.c:1218)
[  155.515894][ T2548]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  155.515897][ T2548]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  155.515899][ T2548]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  155.515901][ T2548]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  155.515903][ T2548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.515905][ T2548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.515906][ T2548]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  155.515909][ T2548]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  155.515912][ T2548]  __sys_sendto (net/socket.c:2281)
[  155.515914][ T2548]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  155.515918][ T2548]  ? fput_close_sync (fs/file_table.c:617)
[  155.515921][ T2548]  ? alloc_file_clone (fs/file_table.c:479)
[  155.515923][ T2548]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  155.515925][ T2548]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  155.515926][ T2548]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  155.515928][ T2548]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  155.515929][ T2548]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  155.515931][ T2548]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  155.515933][ T2548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  155.515936][ T2548] RIP: 0033:0x7efea5d50312
[  155.515938][ T2548] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  155.515940][ T2548] RSP: 002b:00007fffadf35d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  155.515943][ T2548] RAX: ffffffffffffffda RBX: 00007fffadf35e58 RCX: 00007efea5d50312
[  155.515944][ T2548] RDX: 0000000000000044 RSI: 00007efea18cb820 RDI: 0000000000000020
[  155.515945][ T2548] RBP: 00007fffadf35d50 R08: 00007fffadf35ed0 R09: 000000000000000c
[  155.515946][ T2548] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efea3bba120
[  155.515947][ T2548] R13: 00007fffadf35e58 R14: 00007efea566f01a R15: 00007fffadf36248
| [  156.556665][ T2598] softirqs last disabled at (0): 0x0
| [  156.556666][ T2598] Preemption disabled at:
| [  156.556667][ T2598] vprintk_emit (kernel/printk/printk.c:2471)
| [  156.556677][ T2598] Tainted: [W]=WARN
[  156.556678][ T2598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  156.556680][ T2598] Call Trace:
[  156.556682][ T2598]  <TASK>
[  156.556683][ T2598]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  156.556689][ T2598]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  156.556690][ T2598]  __might_resched.cold (kernel/sched/core.c:9234)
[  156.556694][ T2598]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  156.556697][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.556700][ T2598]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  156.556703][ T2598]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  156.556706][ T2598]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  156.556711][ T2598]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  156.556713][ T2598]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  156.556716][ T2598]  put_chars (drivers/char/virtio_console.c:1176)
[  156.556718][ T2598]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  156.556719][ T2598]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  156.556722][ T2598]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  156.556724][ T2598]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  156.556729][ T2598]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  156.556731][ T2598]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  156.556732][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.556733][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.556734][ T2598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.556737][ T2598]  console_emit_next_record (kernel/printk/printk.c:3183)
[  156.556740][ T2598]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  156.556742][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.556743][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.556744][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.556745][ T2598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.556747][ T2598]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  156.556749][ T2598]  console_flush_one_record (kernel/printk/printk.c:3268)
[  156.556751][ T2598]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  156.556754][ T2598]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  156.556756][ T2598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.556758][ T2598]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  156.556759][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.556760][ T2598]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  156.556762][ T2598]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  156.556764][ T2598]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  156.556765][ T2598]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  156.556770][ T2598]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  156.556772][ T2598]  vprintk_emit (kernel/printk/printk.c:2479)
[  156.556774][ T2598]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  156.556776][ T2598]  _printk (kernel/printk/printk.c:2504)
[  156.556779][ T2598]  ? snapshot_read.cold (user.c:?)
[  156.556781][ T2598]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  156.556783][ T2598]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  156.556787][ T2598]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  156.556789][ T2598]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  156.556793][ T2598]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  156.556795][ T2598]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  156.556797][ T2598]  ? netdev_notice (net/core/dev.c:13194)
[  156.556799][ T2598]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  156.556807][ T2598]  ? 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)
[  156.556808][ T2598]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  156.556811][ T2598]  netif_set_promiscuity (net/core/dev.c:9699)
[  156.556813][ T2598]  dev_set_promiscuity (net/core/dev_api.c:288)
[  156.556815][ T2598]  ? dev_disable_lro (net/core/dev_api.c:267)
[  156.556816][ T2598] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  156.556820][ T2598] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  156.556824][ T2598]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  156.556826][ T2598] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  156.556830][ T2598]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  156.556834][ T2598] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  156.556838][ T2598]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  156.556841][ T2598]  ? __nla_validate_parse (lib/nlattr.c:635)
[  156.556845][ T2598]  ? __nla_parse (lib/nlattr.c:732)
[  156.556847][ T2598]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  156.556851][ T2598]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  156.556854][ T2598]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  156.556857][ T2598]  ? security_capable (security/security.c:660 (discriminator 11))
[  156.556860][ T2598]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  156.556862][ T2598]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  156.556864][ T2598]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  156.556868][ T2598]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  156.556871][ T2598]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  156.556874][ T2598]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  156.556876][ T2598]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  156.556878][ T2598]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  156.556880][ T2598]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  156.556883][ T2598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.556884][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.556885][ T2598]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  156.556887][ T2598]  genl_rcv (net/netlink/genetlink.c:1218)
[  156.556889][ T2598]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  156.556891][ T2598]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  156.556893][ T2598]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  156.556896][ T2598]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  156.556899][ T2598]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  156.556901][ T2598]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  156.556903][ T2598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.556905][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.556906][ T2598]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  156.556909][ T2598]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  156.556912][ T2598]  __sys_sendto (net/socket.c:2281)
[  156.556914][ T2598]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  156.556918][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.556919][ T2598]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  156.556921][ T2598]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  156.556923][ T2598]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  156.556924][ T2598]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  156.556926][ T2598]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  156.556927][ T2598]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  156.556930][ T2598]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  156.556933][ T2598]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  156.556934][ T2598] RIP: 0033:0x7f5727a44312
[  156.556937][ T2598] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  156.556938][ T2598] RSP: 002b:00007ffd62f48f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  156.556942][ T2598] RAX: ffffffffffffffda RBX: 00007ffd62f490c8 RCX: 00007f5727a44312
[  156.556944][ T2598] RDX: 0000000000000034 RSI: 00007f5724666b30 RDI: 0000000000000023
[  156.556944][ T2598] RBP: 00007ffd62f48fc0 R08: 00007ffd62f49140 R09: 000000000000000c
[  156.556945][ T2598] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f57258ae200
[  156.556946][ T2598] R13: 00007ffd62f490c8 R14: 00007f572736301a R15: 00007ffd62f494b8
| [  157.623521][ T2639] softirqs last disabled at (0): 0x0
| [  157.623523][ T2639] Preemption disabled at:
| [  157.623524][ T2639] vprintk_emit (kernel/printk/printk.c:2471)
| [  157.623534][ T2639] Tainted: [W]=WARN
[  157.623535][ T2639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  157.623537][ T2639] Call Trace:
[  157.623539][ T2639]  <TASK>
[  157.623540][ T2639]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  157.623546][ T2639]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  157.623547][ T2639]  __might_resched.cold (kernel/sched/core.c:9234)
[  157.623551][ T2639]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  157.623555][ T2639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.623558][ T2639]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  157.623561][ T2639]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  157.623564][ T2639]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.623569][ T2639]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  157.623570][ T2639]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.623573][ T2639]  put_chars (drivers/char/virtio_console.c:1176)
[  157.623575][ T2639]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  157.623576][ T2639]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  157.623579][ T2639]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  157.623581][ T2639]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  157.623586][ T2639]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  157.623588][ T2639]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  157.623590][ T2639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.623591][ T2639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.623592][ T2639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.623595][ T2639]  console_emit_next_record (kernel/printk/printk.c:3183)
[  157.623597][ T2639]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  157.623599][ T2639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.623600][ T2639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.623601][ T2639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.623603][ T2639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.623605][ T2639]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  157.623606][ T2639]  console_flush_one_record (kernel/printk/printk.c:3268)
[  157.623609][ T2639]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  157.623612][ T2639]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  157.623614][ T2639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.623615][ T2639]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  157.623617][ T2639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.623618][ T2639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  157.623620][ T2639]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  157.623621][ T2639]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  157.623623][ T2639]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  157.623625][ T2639]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  157.623626][ T2639]  vprintk_emit (kernel/printk/printk.c:2479)
[  157.623628][ T2639]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  157.623631][ T2639]  _printk (kernel/printk/printk.c:2504)
[  157.623634][ T2639]  ? snapshot_read.cold (user.c:?)
[  157.623636][ T2639]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  157.623639][ T2639]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  157.623643][ T2639]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  157.623645][ T2639]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  157.623648][ T2639]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  157.623651][ T2639]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  157.623653][ T2639]  ? netdev_notice (net/core/dev.c:13194)
[  157.623655][ T2639]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  157.623664][ T2639]  ? 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)
[  157.623665][ T2639]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  157.623668][ T2639]  netif_set_promiscuity (net/core/dev.c:9699)
[  157.623671][ T2639]  dev_set_promiscuity (net/core/dev_api.c:288)
[  157.623673][ T2639]  ? dev_disable_lro (net/core/dev_api.c:267)
[  157.623674][ T2639] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  157.623679][ T2639] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  157.623683][ T2639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  157.623685][ T2639] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  157.623690][ T2639]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  157.623694][ T2639] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  157.623699][ T2639]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  157.623702][ T2639]  ? __nla_validate_parse (lib/nlattr.c:635)
[  157.623707][ T2639]  ? __nla_parse (lib/nlattr.c:732)
[  157.623709][ T2639]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  157.623713][ T2639]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  157.623715][ T2639]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  157.623719][ T2639]  ? security_capable (security/security.c:660 (discriminator 11))
[  157.623722][ T2639]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  157.623724][ T2639]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  157.623727][ T2639]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  157.623730][ T2639]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  157.623733][ T2639]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  157.623736][ T2639]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  157.623738][ T2639]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  157.623740][ T2639]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  157.623742][ T2639]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  157.623745][ T2639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.623747][ T2639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.623748][ T2639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  157.623750][ T2639]  genl_rcv (net/netlink/genetlink.c:1218)
[  157.623752][ T2639]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  157.623754][ T2639]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  157.623756][ T2639]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  157.623759][ T2639]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  157.623762][ T2639]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  157.623764][ T2639]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  157.623766][ T2639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.623772][ T2639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.623773][ T2639]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  157.623776][ T2639]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  157.623779][ T2639]  __sys_sendto (net/socket.c:2281)
[  157.623782][ T2639]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  157.623786][ T2639]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  157.623788][ T2639]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  157.623790][ T2639]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  157.623791][ T2639]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  157.623793][ T2639]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  157.623796][ T2639]  ? irq_exit_rcu (kernel/softirq.c:786)
[  157.623799][ T2639]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  157.623801][ T2639] RIP: 0033:0x7fc180f5a312
[  157.623803][ T2639] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  157.623805][ T2639] RSP: 002b:00007ffea7998ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  157.623809][ T2639] RAX: ffffffffffffffda RBX: 00007ffea7999128 RCX: 00007fc180f5a312
[  157.623810][ T2639] RDX: 0000000000000034 RSI: 00007fc17cb4d070 RDI: 0000000000000023
[  157.623811][ T2639] RBP: 00007ffea7999020 R08: 00007ffea79991a0 R09: 000000000000000c
[  157.623812][ T2639] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc17edba2e0
[  157.623813][ T2639] R13: 00007ffea7999128 R14: 00007fc18087901a R15: 00007ffea7999518
| [  170.567360][ T2822] softirqs last disabled at (0): 0x0
| [  170.567363][ T2822] Preemption disabled at:
| [  170.567363][ T2822] vprintk_emit (kernel/printk/printk.c:2471)
| [  170.567373][ T2822] Tainted: [W]=WARN
[  170.567374][ T2822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  170.567376][ T2822] Call Trace:
[  170.567378][ T2822]  <TASK>
[  170.567379][ T2822]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  170.567384][ T2822]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  170.567386][ T2822]  __might_resched.cold (kernel/sched/core.c:9234)
[  170.567390][ T2822]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  170.567393][ T2822]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  170.567395][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567398][ T2822]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  170.567401][ T2822]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.567404][ T2822]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.567409][ T2822]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  170.567411][ T2822]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.567413][ T2822]  put_chars (drivers/char/virtio_console.c:1176)
[  170.567415][ T2822]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  170.567416][ T2822]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  170.567418][ T2822]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  170.567421][ T2822]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  170.567426][ T2822]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  170.567428][ T2822]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  170.567429][ T2822]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  170.567433][ T2822]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.567434][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567436][ T2822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.567438][ T2822]  console_emit_next_record (kernel/printk/printk.c:3183)
[  170.567441][ T2822]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  170.567443][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567444][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567445][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567446][ T2822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.567448][ T2822]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  170.567450][ T2822]  console_flush_one_record (kernel/printk/printk.c:3268)
[  170.567452][ T2822]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  170.567455][ T2822]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  170.567457][ T2822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.567459][ T2822]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  170.567460][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567461][ T2822]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.567463][ T2822]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  170.567464][ T2822]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  170.567466][ T2822]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  170.567468][ T2822]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  170.567469][ T2822]  vprintk_emit (kernel/printk/printk.c:2479)
[  170.567471][ T2822]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  170.567472][ T2822]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  170.567476][ T2822]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  170.567483][ T2822]  _printk (kernel/printk/printk.c:2504)
[  170.567486][ T2822]  ? snapshot_read.cold (user.c:?)
[  170.567488][ T2822]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  170.567491][ T2822]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  170.567494][ T2822]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  170.567496][ T2822]  ? netdev_notice (net/core/dev.c:13194)
[  170.567497][ T2822]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  170.567500][ T2822]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  170.567503][ T2822]  ? 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)
[  170.567505][ T2822]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  170.567507][ T2822]  netif_set_promiscuity (net/core/dev.c:9699)
[  170.567510][ T2822]  dev_set_promiscuity (net/core/dev_api.c:288)
[  170.567512][ T2822]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  170.567516][ T2822] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  170.567522][ T2822] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  170.567526][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567527][ T2822]  notifier_call_chain (kernel/notifier.c:85)
[  170.567531][ T2822]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  170.567533][ T2822]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  170.567536][ T2822]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  170.567538][ T2822]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.567539][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567541][ T2822]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  170.567542][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567548][ T2822]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  170.567550][ T2822]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.567552][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567553][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567554][ T2822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.567556][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567557][ T2822]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.567559][ T2822]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  170.567561][ T2822]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  170.567563][ T2822]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  170.567565][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567566][ T2822]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  170.567569][ T2822]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  170.567572][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567573][ T2822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.567575][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567576][ T2822]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  170.567577][ T2822]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  170.567588][ T2822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.567590][ T2822]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  170.567593][ T2822]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  170.567597][ T2822]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  170.567600][ T2822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.567602][ T2822]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.567603][ T2822]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  170.567605][ T2822]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  170.567608][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567609][ T2822]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.567611][ T2822]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  170.567614][ T2822]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  170.567615][ T2822]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.567617][ T2822]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  170.567619][ T2822]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  170.567621][ T2822]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  170.567623][ T2822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.567624][ T2822]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  170.567628][ T2822]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  170.567631][ T2822]  ____sys_sendmsg (net/socket.c:2713)
[  170.567632][ T2822]  ? copy_msghdr_from_user (net/socket.c:2650)
[  170.567634][ T2822]  ? sock_write_iter (net/socket.c:1269)
[  170.567636][ T2822]  ? move_addr_to_kernel (net/socket.c:258)
[  170.567637][ T2822]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  170.567640][ T2822]  ___sys_sendmsg (net/socket.c:2767)
[  170.567642][ T2822]  ? copy_msghdr_from_user (net/socket.c:2619)
[  170.567647][ T2822]  __sys_sendmsg (net/socket.c:2799)
[  170.567649][ T2822]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  170.567652][ T2822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.567653][ T2822]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  170.567656][ T2822]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  170.567658][ T2822]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.567659][ T2822] RIP: 0033:0x7f44ee29d54e
[  170.567661][ T2822] 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
[  170.567663][ T2822] RSP: 002b:00007ffeacd7abc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  170.567667][ T2822] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f44ee29d54e
[  170.567668][ T2822] RDX: 0000000000000000 RSI: 00007ffeacd7ac70 RDI: 0000000000000005
[  170.567669][ T2822] RBP: 00007ffeacd7abd0 R08: 0000000000000000 R09: 0000000000000000
[  170.567670][ T2822] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d934
[  170.567671][ T2822] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeacd7b330
| [  173.245641][ T2880] softirqs last disabled at (0): 0x0
| [  173.245643][ T2880] Preemption disabled at:
| [  173.245643][ T2880] vprintk_emit (kernel/printk/printk.c:2471)
| [  173.245654][ T2880] Tainted: [W]=WARN
[  173.245655][ T2880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  173.245657][ T2880] Call Trace:
[  173.245658][ T2880]  <TASK>
[  173.245660][ T2880]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  173.245666][ T2880]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  173.245667][ T2880]  __might_resched.cold (kernel/sched/core.c:9234)
[  173.245671][ T2880]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  173.245675][ T2880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.245677][ T2880]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  173.245681][ T2880]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.245683][ T2880]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.245688][ T2880]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  173.245690][ T2880]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.245693][ T2880]  put_chars (drivers/char/virtio_console.c:1176)
[  173.245694][ T2880]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  173.245696][ T2880]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  173.245699][ T2880]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  173.245704][ T2880]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  173.245706][ T2880]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.245708][ T2880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.245709][ T2880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.245711][ T2880]  console_emit_next_record (kernel/printk/printk.c:3183)
[  173.245714][ T2880]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  173.245716][ T2880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.245717][ T2880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.245718][ T2880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.245719][ T2880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.245721][ T2880]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  173.245723][ T2880]  console_flush_one_record (kernel/printk/printk.c:3268)
[  173.245725][ T2880]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  173.245728][ T2880]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  173.245730][ T2880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.245731][ T2880]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  173.245733][ T2880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.245735][ T2880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.245736][ T2880]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  173.245738][ T2880]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  173.245739][ T2880]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  173.245741][ T2880]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  173.245742][ T2880]  vprintk_emit (kernel/printk/printk.c:2479)
[  173.245744][ T2880]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  173.245745][ T2880]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  173.245747][ T2880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.245748][ T2880]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  173.245752][ T2880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.245754][ T2880]  _printk (kernel/printk/printk.c:2504)
[  173.245757][ T2880]  ? snapshot_read.cold (user.c:?)
[  173.245758][ T2880]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  173.245762][ T2880]  ? idr_get_free (??:?)
[  173.245764][ T2880]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  173.245771][ T2880]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  173.245779][ T2880]  ? nla_get_range_signed (lib/nlattr.c:270)
[  173.245783][ T2880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.245784][ T2880]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  173.245787][ T2880]  __nla_validate_parse (lib/nlattr.c:635)
[  173.245790][ T2880]  __nla_parse (lib/nlattr.c:732)
[  173.245792][ T2880]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  173.245795][ T2880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.245797][ T2880]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  173.245799][ T2880]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  173.245802][ T2880]  ? security_capable (security/security.c:660 (discriminator 11))
[  173.245805][ T2880]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  173.245807][ T2880]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  173.245810][ T2880]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  173.245816][ T2880]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  173.245819][ T2880]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  173.245822][ T2880]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  173.245824][ T2880]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  173.245826][ T2880]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  173.245828][ T2880]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  173.245830][ T2880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.245832][ T2880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.245833][ T2880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.245835][ T2880]  genl_rcv (net/netlink/genetlink.c:1218)
[  173.245837][ T2880]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.245839][ T2880]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  173.245842][ T2880]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  173.245844][ T2880]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  173.245846][ T2880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.245847][ T2880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.245849][ T2880]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  173.245852][ T2880]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  173.245855][ T2880]  __sys_sendto (net/socket.c:2281)
[  173.245857][ T2880]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  173.245861][ T2880]  ? fput_close_sync (fs/file_table.c:617)
[  173.245864][ T2880]  ? alloc_file_clone (fs/file_table.c:479)
[  173.245866][ T2880]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  173.245868][ T2880]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  173.245869][ T2880]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  173.245871][ T2880]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  173.245872][ T2880]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.245875][ T2880]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  173.245877][ T2880]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.245879][ T2880] RIP: 0033:0x7f3f5efa1312
[  173.245881][ T2880] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  173.245883][ T2880] RSP: 002b:00007fff7074f4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  173.245887][ T2880] RAX: ffffffffffffffda RBX: 00007fff7074f5f8 RCX: 00007f3f5efa1312
[  173.245888][ T2880] RDX: 0000000000000044 RSI: 00007f3f5c35b050 RDI: 0000000000000020
[  173.245889][ T2880] RBP: 00007fff7074f4f0 R08: 00007fff7074f670 R09: 000000000000000c
[  173.245890][ T2880] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3f5cdfa190
[  173.245891][ T2880] R13: 00007fff7074f5f8 R14: 00007f3f5e8c001a R15: 00007fff7074f9e8
| [  174.363086][ T2928] softirqs last disabled at (0): 0x0
| [  174.363087][ T2928] Preemption disabled at:
| [  174.363088][ T2928] vprintk_emit (kernel/printk/printk.c:2471)
| [  174.363098][ T2928] Tainted: [W]=WARN
[  174.363099][ T2928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.363101][ T2928] Call Trace:
[  174.363103][ T2928]  <TASK>
[  174.363104][ T2928]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  174.363110][ T2928]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  174.363111][ T2928]  __might_resched.cold (kernel/sched/core.c:9234)
[  174.363115][ T2928]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  174.363118][ T2928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.363121][ T2928]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  174.363124][ T2928]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.363127][ T2928]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.363132][ T2928]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  174.363134][ T2928]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.363136][ T2928]  put_chars (drivers/char/virtio_console.c:1176)
[  174.363138][ T2928]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  174.363140][ T2928]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  174.363142][ T2928]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  174.363144][ T2928]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  174.363149][ T2928]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  174.363151][ T2928]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.363153][ T2928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.363154][ T2928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.363155][ T2928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.363158][ T2928]  console_emit_next_record (kernel/printk/printk.c:3183)
[  174.363161][ T2928]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  174.363163][ T2928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.363164][ T2928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.363165][ T2928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.363167][ T2928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.363168][ T2928]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  174.363170][ T2928]  console_flush_one_record (kernel/printk/printk.c:3268)
[  174.363173][ T2928]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  174.363176][ T2928]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  174.363177][ T2928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.363179][ T2928]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  174.363181][ T2928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.363182][ T2928]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.363183][ T2928]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  174.363185][ T2928]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  174.363186][ T2928]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  174.363188][ T2928]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  174.363190][ T2928]  vprintk_emit (kernel/printk/printk.c:2479)
[  174.363192][ T2928]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  174.363194][ T2928]  _printk (kernel/printk/printk.c:2504)
[  174.363197][ T2928]  ? snapshot_read.cold (user.c:?)
[  174.363199][ T2928]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  174.363201][ T2928]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  174.363205][ T2928]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  174.363207][ T2928]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  174.363211][ T2928]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  174.363213][ T2928]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  174.363215][ T2928]  ? netdev_notice (net/core/dev.c:13194)
[  174.363217][ T2928]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  174.363225][ T2928]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  174.363227][ T2928]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  174.363229][ T2928]  netif_set_promiscuity (net/core/dev.c:9699)
[  174.363232][ T2928]  dev_set_promiscuity (net/core/dev_api.c:288)
[  174.363233][ T2928]  ? dev_disable_lro (net/core/dev_api.c:267)
[  174.363235][ T2928] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  174.363239][ T2928] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  174.363242][ T2928]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.363244][ T2928] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  174.363249][ T2928]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  174.363252][ T2928] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  174.363256][ T2928]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  174.363260][ T2928]  ? __nla_validate_parse (lib/nlattr.c:635)
[  174.363264][ T2928]  ? __nla_parse (lib/nlattr.c:732)
[  174.363266][ T2928]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  174.363270][ T2928]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  174.363272][ T2928]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  174.363276][ T2928]  ? security_capable (security/security.c:660 (discriminator 11))
[  174.363279][ T2928]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  174.363281][ T2928]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  174.363283][ T2928]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  174.363287][ T2928]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.363290][ T2928]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  174.363292][ T2928]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  174.363294][ T2928]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  174.363296][ T2928]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  174.363298][ T2928]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  174.363301][ T2928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.363303][ T2928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.363304][ T2928]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.363306][ T2928]  genl_rcv (net/netlink/genetlink.c:1218)
[  174.363308][ T2928]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.363310][ T2928]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  174.363311][ T2928]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  174.363314][ T2928]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  174.363317][ T2928]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  174.363320][ T2928]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  174.363321][ T2928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.363323][ T2928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.363325][ T2928]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  174.363327][ T2928]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  174.363330][ T2928]  __sys_sendto (net/socket.c:2281)
[  174.363333][ T2928]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  174.363336][ T2928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.363338][ T2928]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.363340][ T2928]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  174.363341][ T2928]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  174.363343][ T2928]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  174.363344][ T2928]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  174.363346][ T2928]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.363349][ T2928]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  174.363351][ T2928]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.363353][ T2928] RIP: 0033:0x7f406c3dd312
[  174.363356][ T2928] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  174.363357][ T2928] RSP: 002b:00007ffef879de58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  174.363361][ T2928] RAX: ffffffffffffffda RBX: 00007ffef879df88 RCX: 00007f406c3dd312
[  174.363362][ T2928] RDX: 0000000000000030 RSI: 00007f405bf96670 RDI: 0000000000000023
[  174.363363][ T2928] RBP: 00007ffef879de80 R08: 00007ffef879e000 R09: 000000000000000c
[  174.363364][ T2928] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f406a236200
[  174.363365][ T2928] R13: 00007ffef879df88 R14: 00007f406bcfc01a R15: 00007ffef879e378
| [  175.363280][ T2966] softirqs last disabled at (0): 0x0
| [  175.363282][ T2966] Preemption disabled at:
| [  175.363283][ T2966] vprintk_emit (kernel/printk/printk.c:2471)
| [  175.363293][ T2966] Tainted: [W]=WARN
[  175.363294][ T2966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  175.363297][ T2966] Call Trace:
[  175.363298][ T2966]  <TASK>
[  175.363300][ T2966]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  175.363306][ T2966]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  175.363307][ T2966]  __might_resched.cold (kernel/sched/core.c:9234)
[  175.363311][ T2966]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  175.363315][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.363317][ T2966]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  175.363321][ T2966]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  175.363324][ T2966]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  175.363329][ T2966]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  175.363330][ T2966]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  175.363333][ T2966]  put_chars (drivers/char/virtio_console.c:1176)
[  175.363335][ T2966]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  175.363336][ T2966]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  175.363339][ T2966]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  175.363341][ T2966]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  175.363345][ T2966]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  175.363348][ T2966]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  175.363349][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.363350][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.363351][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.363354][ T2966]  console_emit_next_record (kernel/printk/printk.c:3183)
[  175.363357][ T2966]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  175.363359][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.363360][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.363361][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.363362][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.363364][ T2966]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  175.363366][ T2966]  console_flush_one_record (kernel/printk/printk.c:3268)
[  175.363368][ T2966]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  175.363371][ T2966]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  175.363373][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.363375][ T2966]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  175.363376][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.363378][ T2966]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.363379][ T2966]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  175.363381][ T2966]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  175.363382][ T2966]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  175.363384][ T2966]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  175.363386][ T2966]  vprintk_emit (kernel/printk/printk.c:2479)
[  175.363388][ T2966]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  175.363390][ T2966]  _printk (kernel/printk/printk.c:2504)
[  175.363393][ T2966]  ? snapshot_read.cold (user.c:?)
[  175.363395][ T2966]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  175.363397][ T2966]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  175.363401][ T2966]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  175.363403][ T2966]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  175.363406][ T2966]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  175.363409][ T2966]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  175.363411][ T2966]  ? netdev_notice (net/core/dev.c:13194)
[  175.363413][ T2966]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  175.363421][ T2966]  ? 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)
[  175.363423][ T2966]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  175.363425][ T2966]  netif_set_promiscuity (net/core/dev.c:9699)
[  175.363427][ T2966]  dev_set_promiscuity (net/core/dev_api.c:288)
[  175.363429][ T2966]  ? dev_disable_lro (net/core/dev_api.c:267)
[  175.363430][ T2966] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  175.363434][ T2966] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  175.363438][ T2966]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.363440][ T2966] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  175.363445][ T2966]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  175.363448][ T2966] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  175.363452][ T2966]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  175.363456][ T2966]  ? __nla_validate_parse (lib/nlattr.c:635)
[  175.363460][ T2966]  ? __nla_parse (lib/nlattr.c:732)
[  175.363462][ T2966]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  175.363466][ T2966]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  175.363469][ T2966]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  175.363472][ T2966]  ? security_capable (security/security.c:660 (discriminator 11))
[  175.363475][ T2966]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  175.363478][ T2966]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  175.363480][ T2966]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  175.363483][ T2966]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  175.363486][ T2966]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  175.363489][ T2966]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  175.363491][ T2966]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  175.363493][ T2966]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  175.363495][ T2966]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  175.363498][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.363499][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.363501][ T2966]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.363503][ T2966]  genl_rcv (net/netlink/genetlink.c:1218)
[  175.363505][ T2966]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  175.363507][ T2966]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  175.363509][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.363510][ T2966]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  175.363512][ T2966]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  175.363514][ T2966]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  175.363516][ T2966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.363518][ T2966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.363519][ T2966]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  175.363522][ T2966]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  175.363525][ T2966]  __sys_sendto (net/socket.c:2281)
[  175.363527][ T2966]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  175.363530][ T2966]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  175.363534][ T2966]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  175.363536][ T2966]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  175.363539][ T2966]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  175.363541][ T2966]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  175.363542][ T2966]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  175.363546][ T2966]  ? irq_exit_rcu (kernel/softirq.c:786)
[  175.363549][ T2966]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  175.363551][ T2966] RIP: 0033:0x7feb33de3312
[  175.363553][ T2966] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  175.363555][ T2966] RSP: 002b:00007ffeee95ac98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  175.363559][ T2966] RAX: ffffffffffffffda RBX: 00007ffeee95adc8 RCX: 00007feb33de3312
[  175.363560][ T2966] RDX: 0000000000000030 RSI: 00007feb3019be70 RDI: 0000000000000023
[  175.363561][ T2966] RBP: 00007ffeee95acc0 R08: 00007ffeee95ae40 R09: 000000000000000c
[  175.363562][ T2966] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feb31c462e0
[  175.363563][ T2966] R13: 00007ffeee95adc8 R14: 00007feb3370201a R15: 00007ffeee95b1b8
| [  181.438780][ T3089] softirqs last disabled at (0): 0x0
| [  181.438783][ T3089] Preemption disabled at:
| [  181.438784][ T3089] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.438796][ T3089] Tainted: [W]=WARN
[  181.438798][ T3089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.438800][ T3089] Call Trace:
[  181.438802][ T3089]  <TASK>
[  181.438803][ T3089]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.438810][ T3089]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.438812][ T3089]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.438817][ T3089]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.438821][ T3089]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  181.438824][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.438827][ T3089]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  181.438831][ T3089]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.438835][ T3089]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.438841][ T3089]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  181.438843][ T3089]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.438846][ T3089]  put_chars (drivers/char/virtio_console.c:1176)
[  181.438848][ T3089]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  181.438851][ T3089]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.438853][ T3089]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  181.438857][ T3089]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.438863][ T3089]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.438866][ T3089]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  181.438868][ T3089]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  181.438872][ T3089]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.438875][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.438877][ T3089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.438880][ T3089]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.438884][ T3089]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.438887][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.438888][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.438890][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.438892][ T3089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.438895][ T3089]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  181.438897][ T3089]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.438901][ T3089]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.438905][ T3089]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.438908][ T3089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.438910][ T3089]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.438912][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.438914][ T3089]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.438916][ T3089]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  181.438918][ T3089]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  181.438920][ T3089]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.438923][ T3089]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.438926][ T3089]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.438928][ T3089]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.438931][ T3089]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  181.438934][ T3089]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  181.438944][ T3089]  _printk (kernel/printk/printk.c:2504)
[  181.438948][ T3089]  ? snapshot_read.cold (user.c:?)
[  181.438951][ T3089]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.438955][ T3089]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.438958][ T3089]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.438961][ T3089]  ? netdev_notice (net/core/dev.c:13194)
[  181.438964][ T3089]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  181.438968][ T3089]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  181.438972][ T3089]  ? 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)
[  181.438974][ T3089]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  181.438978][ T3089]  netif_set_promiscuity (net/core/dev.c:9699)
[  181.438981][ T3089]  dev_set_promiscuity (net/core/dev_api.c:288)
[  181.438983][ T3089]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  181.438988][ T3089] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  181.438997][ T3089] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  181.439003][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439006][ T3089]  notifier_call_chain (kernel/notifier.c:85)
[  181.439010][ T3089]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  181.439014][ T3089]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  181.439018][ T3089]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  181.439020][ T3089]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.439023][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439025][ T3089]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  181.439027][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439037][ T3089]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  181.439040][ T3089]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.439043][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439045][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439047][ T3089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.439049][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439050][ T3089]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.439053][ T3089]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  181.439056][ T3089]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  181.439058][ T3089]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  181.439062][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439064][ T3089]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  181.439067][ T3089]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  181.439071][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439073][ T3089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.439075][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439077][ T3089]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  181.439079][ T3089]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.439082][ T3089]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.439084][ T3089]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.439088][ T3089]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  181.439093][ T3089]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.439096][ T3089]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.439099][ T3089]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.439101][ T3089]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.439103][ T3089]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  181.439108][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439110][ T3089]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.439113][ T3089]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.439116][ T3089]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.439119][ T3089]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.439122][ T3089]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.439125][ T3089]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.439128][ T3089]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  181.439130][ T3089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.439132][ T3089]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  181.439137][ T3089]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.439141][ T3089]  ____sys_sendmsg (net/socket.c:2713)
[  181.439143][ T3089]  ? copy_msghdr_from_user (net/socket.c:2650)
[  181.439146][ T3089]  ? sock_write_iter (net/socket.c:1269)
[  181.439148][ T3089]  ? move_addr_to_kernel (net/socket.c:258)
[  181.439150][ T3089]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.439154][ T3089]  ___sys_sendmsg (net/socket.c:2767)
[  181.439157][ T3089]  ? copy_msghdr_from_user (net/socket.c:2619)
[  181.439165][ T3089]  __sys_sendmsg (net/socket.c:2799)
[  181.439168][ T3089]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  181.439172][ T3089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.439175][ T3089]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.439178][ T3089]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.439180][ T3089]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.439183][ T3089] RIP: 0033:0x7fcc4a03754e
[  181.439185][ T3089] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  181.439188][ T3089] RSP: 002b:00007fffe7941950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  181.439192][ T3089] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcc4a03754e
[  181.439195][ T3089] RDX: 0000000000000000 RSI: 00007fffe7941a00 RDI: 0000000000000005
[  181.439196][ T3089] RBP: 00007fffe7941960 R08: 0000000000000000 R09: 0000000000000000
[  181.439198][ T3089] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d93f
[  181.439199][ T3089] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe79420c0
| [  183.853329][ T3146] softirqs last disabled at (0): 0x0
| [  183.853331][ T3146] Preemption disabled at:
| [  183.853331][ T3146] vprintk_emit (kernel/printk/printk.c:2471)
| [  183.853341][ T3146] Tainted: [W]=WARN
[  183.853342][ T3146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  183.853344][ T3146] Call Trace:
[  183.853345][ T3146]  <TASK>
[  183.853347][ T3146]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  183.853352][ T3146]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  183.853354][ T3146]  __might_resched.cold (kernel/sched/core.c:9234)
[  183.853358][ T3146]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  183.853361][ T3146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.853364][ T3146]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  183.853367][ T3146]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  183.853370][ T3146]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  183.853374][ T3146]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  183.853376][ T3146]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  183.853378][ T3146]  put_chars (drivers/char/virtio_console.c:1176)
[  183.853380][ T3146]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  183.853381][ T3146]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  183.853384][ T3146]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  183.853389][ T3146]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  183.853391][ T3146]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  183.853392][ T3146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.853394][ T3146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.853396][ T3146]  console_emit_next_record (kernel/printk/printk.c:3183)
[  183.853399][ T3146]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  183.853401][ T3146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.853402][ T3146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.853403][ T3146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.853404][ T3146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.853406][ T3146]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  183.853408][ T3146]  console_flush_one_record (kernel/printk/printk.c:3268)
[  183.853410][ T3146]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  183.853413][ T3146]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  183.853415][ T3146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.853416][ T3146]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  183.853418][ T3146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.853419][ T3146]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.853421][ T3146]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  183.853422][ T3146]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  183.853424][ T3146]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  183.853426][ T3146]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  183.853427][ T3146]  vprintk_emit (kernel/printk/printk.c:2479)
[  183.853429][ T3146]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  183.853430][ T3146]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  183.853432][ T3146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.853433][ T3146]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  183.853437][ T3146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.853439][ T3146]  _printk (kernel/printk/printk.c:2504)
[  183.853442][ T3146]  ? snapshot_read.cold (user.c:?)
[  183.853443][ T3146]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  183.853447][ T3146]  ? idr_get_free (??:?)
[  183.853449][ T3146]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  183.853452][ T3146]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  183.853459][ T3146]  ? nla_get_range_signed (lib/nlattr.c:270)
[  183.853463][ T3146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.853465][ T3146]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  183.853467][ T3146]  __nla_validate_parse (lib/nlattr.c:635)
[  183.853470][ T3146]  __nla_parse (lib/nlattr.c:732)
[  183.853473][ T3146]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  183.853475][ T3146]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.853477][ T3146]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  183.853479][ T3146]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  183.853482][ T3146]  ? security_capable (security/security.c:660 (discriminator 11))
[  183.853485][ T3146]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  183.853488][ T3146]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  183.853490][ T3146]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  183.853497][ T3146]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  183.853500][ T3146]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  183.853502][ T3146]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  183.853504][ T3146]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  183.853506][ T3146]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  183.853508][ T3146]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  183.853511][ T3146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.853513][ T3146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.853514][ T3146]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.853516][ T3146]  genl_rcv (net/netlink/genetlink.c:1218)
[  183.853518][ T3146]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  183.853520][ T3146]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  183.853522][ T3146]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  183.853525][ T3146]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  183.853527][ T3146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.853528][ T3146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.853530][ T3146]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  183.853533][ T3146]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  183.853536][ T3146]  __sys_sendto (net/socket.c:2281)
[  183.853538][ T3146]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  183.853542][ T3146]  ? fput_close_sync (fs/file_table.c:617)
[  183.853545][ T3146]  ? alloc_file_clone (fs/file_table.c:479)
[  183.853547][ T3146]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  183.853549][ T3146]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  183.853550][ T3146]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  183.853552][ T3146]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  183.853553][ T3146]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  183.853555][ T3146]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  183.853558][ T3146]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  183.853560][ T3146] RIP: 0033:0x7ff5117a4312
[  183.853562][ T3146] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  183.853564][ T3146] RSP: 002b:00007fff8a8818d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  183.853567][ T3146] RAX: ffffffffffffffda RBX: 00007fff8a881a08 RCX: 00007ff5117a4312
[  183.853569][ T3146] RDX: 0000000000000044 RSI: 00007ff50d382b50 RDI: 0000000000000020
[  183.853570][ T3146] RBP: 00007fff8a881900 R08: 00007fff8a881a80 R09: 000000000000000c
[  183.853571][ T3146] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff50f60e120
[  183.853572][ T3146] R13: 00007fff8a881a08 R14: 00007ff5110c301a R15: 00007fff8a881df8
| [  184.904472][ T3195] softirqs last disabled at (0): 0x0
| [  184.904474][ T3195] Preemption disabled at:
| [  184.904474][ T3195] vprintk_emit (kernel/printk/printk.c:2471)
| [  184.904485][ T3195] Tainted: [W]=WARN
[  184.904486][ T3195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  184.904488][ T3195] Call Trace:
[  184.904489][ T3195]  <TASK>
[  184.904490][ T3195]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  184.904496][ T3195]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  184.904498][ T3195]  __might_resched.cold (kernel/sched/core.c:9234)
[  184.904501][ T3195]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  184.904505][ T3195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.904507][ T3195]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  184.904510][ T3195]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  184.904513][ T3195]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.904518][ T3195]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  184.904520][ T3195]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.904523][ T3195]  put_chars (drivers/char/virtio_console.c:1176)
[  184.904524][ T3195]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  184.904526][ T3195]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  184.904528][ T3195]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  184.904531][ T3195]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  184.904535][ T3195]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  184.904537][ T3195]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  184.904539][ T3195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.904540][ T3195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.904541][ T3195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.904544][ T3195]  console_emit_next_record (kernel/printk/printk.c:3183)
[  184.904546][ T3195]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  184.904548][ T3195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.904549][ T3195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.904550][ T3195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.904551][ T3195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.904553][ T3195]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  184.904555][ T3195]  console_flush_one_record (kernel/printk/printk.c:3268)
[  184.904558][ T3195]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  184.904560][ T3195]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  184.904562][ T3195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.904564][ T3195]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  184.904566][ T3195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.904567][ T3195]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.904568][ T3195]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  184.904570][ T3195]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  184.904571][ T3195]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  184.904573][ T3195]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  184.904575][ T3195]  vprintk_emit (kernel/printk/printk.c:2479)
[  184.904576][ T3195]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  184.904579][ T3195]  _printk (kernel/printk/printk.c:2504)
[  184.904582][ T3195]  ? snapshot_read.cold (user.c:?)
[  184.904584][ T3195]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  184.904587][ T3195]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  184.904591][ T3195]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  184.904592][ T3195]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  184.904595][ T3195]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  184.904597][ T3195]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  184.904600][ T3195]  ? netdev_notice (net/core/dev.c:13194)
[  184.904602][ T3195]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  184.904610][ T3195]  ? 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)
[  184.904611][ T3195]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  184.904614][ T3195]  netif_set_promiscuity (net/core/dev.c:9699)
[  184.904616][ T3195]  dev_set_promiscuity (net/core/dev_api.c:288)
[  184.904618][ T3195]  ? dev_disable_lro (net/core/dev_api.c:267)
[  184.904620][ T3195] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  184.904625][ T3195] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  184.904628][ T3195]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.904630][ T3195] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  184.904635][ T3195]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  184.904639][ T3195] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  184.904643][ T3195]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  184.904646][ T3195]  ? __nla_validate_parse (lib/nlattr.c:635)
[  184.904651][ T3195]  ? __nla_parse (lib/nlattr.c:732)
[  184.904653][ T3195]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  184.904657][ T3195]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  184.904659][ T3195]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  184.904662][ T3195]  ? security_capable (security/security.c:660 (discriminator 11))
[  184.904665][ T3195]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  184.904668][ T3195]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  184.904670][ T3195]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  184.904674][ T3195]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  184.904676][ T3195]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  184.904679][ T3195]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  184.904681][ T3195]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  184.904683][ T3195]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  184.904685][ T3195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  184.904688][ T3195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.904689][ T3195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.904691][ T3195]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.904693][ T3195]  genl_rcv (net/netlink/genetlink.c:1218)
[  184.904694][ T3195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  184.904697][ T3195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  184.904698][ T3195]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  184.904701][ T3195]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  184.904710][ T3195]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  184.904713][ T3195]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  184.904715][ T3195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.904717][ T3195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.904718][ T3195]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  184.904721][ T3195]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  184.904724][ T3195]  __sys_sendto (net/socket.c:2281)
[  184.904726][ T3195]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  184.904730][ T3195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.904731][ T3195]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.904734][ T3195]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  184.904736][ T3195]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  184.904737][ T3195]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  184.904739][ T3195]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  184.904740][ T3195]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  184.904744][ T3195]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  184.904746][ T3195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  184.904748][ T3195] RIP: 0033:0x7f8ed21fc312
[  184.904750][ T3195] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  184.904752][ T3195] RSP: 002b:00007fffccef47a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  184.904756][ T3195] RAX: ffffffffffffffda RBX: 00007fffccef48d8 RCX: 00007f8ed21fc312
[  184.904757][ T3195] RDX: 0000000000000030 RSI: 00007f8ecde18430 RDI: 0000000000000023
[  184.904758][ T3195] RBP: 00007fffccef47d0 R08: 00007fffccef4950 R09: 000000000000000c
[  184.904759][ T3195] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ed0066200
[  184.904760][ T3195] R13: 00007fffccef48d8 R14: 00007f8ed1b1b01a R15: 00007fffccef4cc8
| [  185.923069][ T3233] softirqs last disabled at (0): 0x0
| [  185.923072][ T3233] Preemption disabled at:
| [  185.923073][ T3233] vprintk_emit (kernel/printk/printk.c:2471)
| [  185.923087][ T3233] Tainted: [W]=WARN
[  185.923089][ T3233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  185.923091][ T3233] Call Trace:
[  185.923093][ T3233]  <TASK>
[  185.923095][ T3233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  185.923102][ T3233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  185.923104][ T3233]  __might_resched.cold (kernel/sched/core.c:9234)
[  185.923109][ T3233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  185.923114][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923117][ T3233]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  185.923121][ T3233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  185.923125][ T3233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.923131][ T3233]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  185.923134][ T3233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.923137][ T3233]  put_chars (drivers/char/virtio_console.c:1176)
[  185.923140][ T3233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  185.923142][ T3233]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  185.923146][ T3233]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  185.923149][ T3233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  185.923155][ T3233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  185.923158][ T3233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  185.923161][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923162][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923164][ T3233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.923168][ T3233]  console_emit_next_record (kernel/printk/printk.c:3183)
[  185.923172][ T3233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  185.923175][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923177][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923179][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923181][ T3233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.923184][ T3233]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  185.923186][ T3233]  console_flush_one_record (kernel/printk/printk.c:3268)
[  185.923190][ T3233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  185.923194][ T3233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  185.923197][ T3233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.923199][ T3233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  185.923202][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923203][ T3233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  185.923206][ T3233]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  185.923208][ T3233]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  185.923211][ T3233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  185.923214][ T3233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  185.923216][ T3233]  vprintk_emit (kernel/printk/printk.c:2479)
[  185.923219][ T3233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  185.923222][ T3233]  _printk (kernel/printk/printk.c:2504)
[  185.923226][ T3233]  ? snapshot_read.cold (user.c:?)
[  185.923229][ T3233]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  185.923233][ T3233]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  185.923238][ T3233]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  185.923241][ T3233]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  185.923245][ T3233]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  185.923248][ T3233]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  185.923251][ T3233]  ? netdev_notice (net/core/dev.c:13194)
[  185.923254][ T3233]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  185.923265][ T3233]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  185.923268][ T3233]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  185.923271][ T3233]  netif_set_promiscuity (net/core/dev.c:9699)
[  185.923275][ T3233]  dev_set_promiscuity (net/core/dev_api.c:288)
[  185.923278][ T3233]  ? dev_disable_lro (net/core/dev_api.c:267)
[  185.923280][ T3233] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  185.923287][ T3233] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  185.923293][ T3233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  185.923295][ T3233] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  185.923302][ T3233]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  185.923308][ T3233] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  185.923315][ T3233]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  185.923321][ T3233]  ? __nla_validate_parse (lib/nlattr.c:635)
[  185.923327][ T3233]  ? __nla_parse (lib/nlattr.c:732)
[  185.923330][ T3233]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  185.923336][ T3233]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  185.923339][ T3233]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  185.923344][ T3233]  ? security_capable (security/security.c:660 (discriminator 11))
[  185.923348][ T3233]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  185.923352][ T3233]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  185.923355][ T3233]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  185.923361][ T3233]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  185.923365][ T3233]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  185.923369][ T3233]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  185.923372][ T3233]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  185.923374][ T3233]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  185.923378][ T3233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  185.923382][ T3233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.923384][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923386][ T3233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  185.923390][ T3233]  genl_rcv (net/netlink/genetlink.c:1218)
[  185.923392][ T3233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  185.923395][ T3233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  185.923398][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923401][ T3233]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  185.923404][ T3233]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  185.923407][ T3233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.923410][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923412][ T3233]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  185.923416][ T3233]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  185.923420][ T3233]  __sys_sendto (net/socket.c:2281)
[  185.923423][ T3233]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  185.923429][ T3233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.923431][ T3233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  185.923435][ T3233]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  185.923437][ T3233]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  185.923441][ T3233]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  185.923444][ T3233]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  185.923446][ T3233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  185.923450][ T3233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  185.923454][ T3233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  185.923457][ T3233] RIP: 0033:0x7f9b64fae312
[  185.923460][ T3233] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  185.923463][ T3233] RSP: 002b:00007ffcb7323438 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  185.923467][ T3233] RAX: ffffffffffffffda RBX: 00007ffcb7323568 RCX: 00007f9b64fae312
[  185.923469][ T3233] RDX: 0000000000000030 RSI: 00007f9b60bcf130 RDI: 0000000000000023
[  185.923470][ T3233] RBP: 00007ffcb7323460 R08: 00007ffcb73235e0 R09: 000000000000000c
[  185.923472][ T3233] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b62e0e2e0
[  185.923473][ T3233] R13: 00007ffcb7323568 R14: 00007f9b648cd01a R15: 00007ffcb7323958
| [  195.094436][ T3377] softirqs last disabled at (0): 0x0
| [  195.094438][ T3377] Preemption disabled at:
| [  195.094438][ T3377] vprintk_emit (kernel/printk/printk.c:2471)
| [  195.094449][ T3377] Tainted: [W]=WARN
[  195.094450][ T3377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  195.094452][ T3377] Call Trace:
[  195.094453][ T3377]  <TASK>
[  195.094454][ T3377]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  195.094460][ T3377]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  195.094461][ T3377]  __might_resched.cold (kernel/sched/core.c:9234)
[  195.094465][ T3377]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  195.094468][ T3377]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  195.094470][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094472][ T3377]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  195.094475][ T3377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.094478][ T3377]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.094483][ T3377]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  195.094485][ T3377]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.094487][ T3377]  put_chars (drivers/char/virtio_console.c:1176)
[  195.094489][ T3377]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  195.094490][ T3377]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  195.094492][ T3377]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  195.094494][ T3377]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  195.094499][ T3377]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  195.094501][ T3377]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  195.094502][ T3377]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  195.094505][ T3377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.094507][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094508][ T3377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.094511][ T3377]  console_emit_next_record (kernel/printk/printk.c:3183)
[  195.094513][ T3377]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  195.094515][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094516][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094517][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094518][ T3377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.094520][ T3377]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  195.094522][ T3377]  console_flush_one_record (kernel/printk/printk.c:3268)
[  195.094524][ T3377]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  195.094527][ T3377]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  195.094529][ T3377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.094530][ T3377]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  195.094532][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094533][ T3377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.094535][ T3377]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  195.094536][ T3377]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  195.094538][ T3377]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  195.094539][ T3377]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  195.094541][ T3377]  vprintk_emit (kernel/printk/printk.c:2479)
[  195.094542][ T3377]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  195.094544][ T3377]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  195.094547][ T3377]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  195.094553][ T3377]  _printk (kernel/printk/printk.c:2504)
[  195.094556][ T3377]  ? snapshot_read.cold (user.c:?)
[  195.094558][ T3377]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  195.094561][ T3377]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  195.094563][ T3377]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  195.094566][ T3377]  ? netdev_notice (net/core/dev.c:13194)
[  195.094567][ T3377]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  195.094570][ T3377]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  195.094572][ T3377]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  195.094575][ T3377]  ? 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)
[  195.094576][ T3377]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  195.094578][ T3377]  netif_set_promiscuity (net/core/dev.c:9699)
[  195.094581][ T3377]  dev_set_promiscuity (net/core/dev_api.c:288)
[  195.094582][ T3377]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  195.094586][ T3377] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  195.094592][ T3377] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  195.094596][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094598][ T3377]  notifier_call_chain (kernel/notifier.c:85)
[  195.094601][ T3377]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  195.094603][ T3377]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  195.094606][ T3377]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  195.094607][ T3377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.094609][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094610][ T3377]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  195.094612][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094617][ T3377]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  195.094620][ T3377]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  195.094622][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094623][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094624][ T3377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.094625][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094627][ T3377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.094628][ T3377]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  195.094631][ T3377]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  195.094632][ T3377]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  195.094635][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094636][ T3377]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  195.094639][ T3377]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  195.094642][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094643][ T3377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.094644][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094645][ T3377]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  195.094647][ T3377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  195.094648][ T3377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  195.094650][ T3377]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  195.094653][ T3377]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  195.094656][ T3377]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  195.094659][ T3377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  195.094661][ T3377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.094662][ T3377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  195.094664][ T3377]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  195.094667][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094668][ T3377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.094670][ T3377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  195.094672][ T3377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  195.094674][ T3377]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  195.094676][ T3377]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  195.094678][ T3377]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  195.094679][ T3377]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  195.094681][ T3377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.094683][ T3377]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  195.094686][ T3377]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  195.094689][ T3377]  ____sys_sendmsg (net/socket.c:2713)
[  195.094691][ T3377]  ? copy_msghdr_from_user (net/socket.c:2650)
[  195.094692][ T3377]  ? sock_write_iter (net/socket.c:1269)
[  195.094694][ T3377]  ? move_addr_to_kernel (net/socket.c:258)
[  195.094695][ T3377]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  195.094698][ T3377]  ___sys_sendmsg (net/socket.c:2767)
[  195.094699][ T3377]  ? copy_msghdr_from_user (net/socket.c:2619)
[  195.094704][ T3377]  __sys_sendmsg (net/socket.c:2799)
[  195.094706][ T3377]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  195.094709][ T3377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.094710][ T3377]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  195.094713][ T3377]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  195.094715][ T3377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  195.094716][ T3377] RIP: 0033:0x7f212493554e
[  195.094718][ T3377] 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
[  195.094720][ T3377] RSP: 002b:00007ffdab109b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  195.094724][ T3377] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f212493554e
[  195.094725][ T3377] RDX: 0000000000000000 RSI: 00007ffdab109be0 RDI: 0000000000000005
[  195.094726][ T3377] RBP: 00007ffdab109b40 R08: 0000000000000000 R09: 0000000000000000
[  195.094727][ T3377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d94d
[  195.094728][ T3377] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdab10a2a0
| [  197.684088][ T3434] softirqs last disabled at (0): 0x0
| [  197.684090][ T3434] Preemption disabled at:
| [  197.684091][ T3434] vprintk_emit (kernel/printk/printk.c:2471)
| [  197.684101][ T3434] Tainted: [W]=WARN
[  197.684102][ T3434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  197.684104][ T3434] Call Trace:
[  197.684106][ T3434]  <TASK>
[  197.684107][ T3434]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  197.684113][ T3434]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  197.684115][ T3434]  __might_resched.cold (kernel/sched/core.c:9234)
[  197.684119][ T3434]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  197.684123][ T3434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.684125][ T3434]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  197.684128][ T3434]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.684131][ T3434]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.684137][ T3434]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  197.684138][ T3434]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.684141][ T3434]  put_chars (drivers/char/virtio_console.c:1176)
[  197.684143][ T3434]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  197.684144][ T3434]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  197.684147][ T3434]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  197.684152][ T3434]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  197.684154][ T3434]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.684155][ T3434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.684157][ T3434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.684159][ T3434]  console_emit_next_record (kernel/printk/printk.c:3183)
[  197.684162][ T3434]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  197.684164][ T3434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.684165][ T3434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.684166][ T3434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.684167][ T3434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.684169][ T3434]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  197.684171][ T3434]  console_flush_one_record (kernel/printk/printk.c:3268)
[  197.684173][ T3434]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  197.684176][ T3434]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  197.684178][ T3434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.684180][ T3434]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  197.684181][ T3434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.684182][ T3434]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  197.684184][ T3434]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  197.684186][ T3434]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  197.684187][ T3434]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  197.684189][ T3434]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  197.684190][ T3434]  vprintk_emit (kernel/printk/printk.c:2479)
[  197.684192][ T3434]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  197.684194][ T3434]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  197.684195][ T3434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.684196][ T3434]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  197.684200][ T3434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.684202][ T3434]  _printk (kernel/printk/printk.c:2504)
[  197.684205][ T3434]  ? snapshot_read.cold (user.c:?)
[  197.684207][ T3434]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  197.684211][ T3434]  ? idr_get_free (??:?)
[  197.684213][ T3434]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  197.684216][ T3434]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  197.684223][ T3434]  ? nla_get_range_signed (lib/nlattr.c:270)
[  197.684228][ T3434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.684229][ T3434]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  197.684232][ T3434]  __nla_validate_parse (lib/nlattr.c:635)
[  197.684235][ T3434]  __nla_parse (lib/nlattr.c:732)
[  197.684237][ T3434]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  197.684239][ T3434]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  197.684241][ T3434]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  197.684244][ T3434]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  197.684247][ T3434]  ? security_capable (security/security.c:660 (discriminator 11))
[  197.684250][ T3434]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  197.684252][ T3434]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  197.684254][ T3434]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  197.684262][ T3434]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  197.684265][ T3434]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  197.684267][ T3434]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  197.684269][ T3434]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  197.684271][ T3434]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  197.684273][ T3434]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  197.684276][ T3434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.684278][ T3434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.684279][ T3434]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  197.684281][ T3434]  genl_rcv (net/netlink/genetlink.c:1218)
[  197.684283][ T3434]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  197.684285][ T3434]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  197.684288][ T3434]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  197.684290][ T3434]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  197.684292][ T3434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.684294][ T3434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.684295][ T3434]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  197.684298][ T3434]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  197.684301][ T3434]  __sys_sendto (net/socket.c:2281)
[  197.684304][ T3434]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  197.684308][ T3434]  ? fput_close_sync (fs/file_table.c:617)
[  197.684310][ T3434]  ? alloc_file_clone (fs/file_table.c:479)
[  197.684312][ T3434]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  197.684314][ T3434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  197.684316][ T3434]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  197.684317][ T3434]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  197.684319][ T3434]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  197.684321][ T3434]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  197.684323][ T3434]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  197.684325][ T3434] RIP: 0033:0x7fd850586312
[  197.684327][ T3434] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  197.684329][ T3434] RSP: 002b:00007ffc114e9ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  197.684333][ T3434] RAX: ffffffffffffffda RBX: 00007ffc114ea028 RCX: 00007fd850586312
[  197.684334][ T3434] RDX: 0000000000000044 RSI: 00007fd84c15eba0 RDI: 0000000000000020
[  197.684335][ T3434] RBP: 00007ffc114e9f20 R08: 00007ffc114ea0a0 R09: 000000000000000c
[  197.684336][ T3434] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd84e3e60b0
[  197.684337][ T3434] R13: 00007ffc114ea028 R14: 00007fd84fea501a R15: 00007ffc114ea418
| [  199.697147][ T3523] softirqs last disabled at (0): 0x0
| [  199.697149][ T3523] Preemption disabled at:
| [  199.697150][ T3523] vprintk_emit (kernel/printk/printk.c:2471)
| [  199.697160][ T3523] Tainted: [W]=WARN
[  199.697161][ T3523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  199.697163][ T3523] Call Trace:
[  199.697165][ T3523]  <TASK>
[  199.697166][ T3523]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  199.697172][ T3523]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  199.697173][ T3523]  __might_resched.cold (kernel/sched/core.c:9234)
[  199.697177][ T3523]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  199.697181][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697183][ T3523]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  199.697187][ T3523]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  199.697190][ T3523]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  199.697195][ T3523]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  199.697197][ T3523]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  199.697200][ T3523]  put_chars (drivers/char/virtio_console.c:1176)
[  199.697201][ T3523]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  199.697203][ T3523]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  199.697206][ T3523]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  199.697209][ T3523]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  199.697213][ T3523]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  199.697216][ T3523]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  199.697217][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697218][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697220][ T3523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.697222][ T3523]  console_emit_next_record (kernel/printk/printk.c:3183)
[  199.697226][ T3523]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  199.697228][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697229][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697230][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697231][ T3523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.697233][ T3523]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  199.697235][ T3523]  console_flush_one_record (kernel/printk/printk.c:3268)
[  199.697237][ T3523]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  199.697240][ T3523]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  199.697242][ T3523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.697243][ T3523]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  199.697245][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697246][ T3523]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  199.697247][ T3523]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  199.697249][ T3523]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  199.697250][ T3523]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  199.697252][ T3523]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  199.697254][ T3523]  vprintk_emit (kernel/printk/printk.c:2479)
[  199.697256][ T3523]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  199.697258][ T3523]  _printk (kernel/printk/printk.c:2504)
[  199.697261][ T3523]  ? snapshot_read.cold (user.c:?)
[  199.697263][ T3523]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  199.697266][ T3523]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  199.697270][ T3523]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  199.697271][ T3523]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  199.697275][ T3523]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  199.697277][ T3523]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  199.697279][ T3523]  ? netdev_notice (net/core/dev.c:13194)
[  199.697281][ T3523]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  199.697289][ T3523]  ? 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)
[  199.697290][ T3523]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  199.697292][ T3523]  netif_set_promiscuity (net/core/dev.c:9699)
[  199.697295][ T3523]  dev_set_promiscuity (net/core/dev_api.c:288)
[  199.697297][ T3523]  ? dev_disable_lro (net/core/dev_api.c:267)
[  199.697298][ T3523] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  199.697302][ T3523] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  199.697306][ T3523]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  199.697308][ T3523] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  199.697313][ T3523]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  199.697316][ T3523] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  199.697320][ T3523]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  199.697323][ T3523]  ? __nla_validate_parse (lib/nlattr.c:635)
[  199.697327][ T3523]  ? __nla_parse (lib/nlattr.c:732)
[  199.697329][ T3523]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  199.697333][ T3523]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  199.697335][ T3523]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  199.697339][ T3523]  ? security_capable (security/security.c:660 (discriminator 11))
[  199.697342][ T3523]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  199.697344][ T3523]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  199.697346][ T3523]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  199.697350][ T3523]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  199.697353][ T3523]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  199.697355][ T3523]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  199.697357][ T3523]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  199.697359][ T3523]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  199.697361][ T3523]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  199.697364][ T3523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.697365][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697366][ T3523]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  199.697368][ T3523]  genl_rcv (net/netlink/genetlink.c:1218)
[  199.697370][ T3523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  199.697373][ T3523]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  199.697375][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697376][ T3523]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  199.697378][ T3523]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  199.697380][ T3523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.697382][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697383][ T3523]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  199.697386][ T3523]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  199.697389][ T3523]  __sys_sendto (net/socket.c:2281)
[  199.697392][ T3523]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  199.697395][ T3523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.697396][ T3523]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  199.697398][ T3523]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  199.697400][ T3523]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  199.697403][ T3523]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  199.697405][ T3523]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  199.697406][ T3523]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  199.697410][ T3523]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  199.697412][ T3523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  199.697414][ T3523] RIP: 0033:0x7f9376c4a312
[  199.697416][ T3523] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  199.697417][ T3523] RSP: 002b:00007fffb6de6dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  199.697421][ T3523] RAX: ffffffffffffffda RBX: 00007fffb6de6ef8 RCX: 00007f9376c4a312
[  199.697423][ T3523] RDX: 0000000000000030 RSI: 00007f936e75a6b0 RDI: 0000000000000023
[  199.697423][ T3523] RBP: 00007fffb6de6df0 R08: 00007fffb6de6f70 R09: 000000000000000c
[  199.697424][ T3523] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9374aaa270
[  199.697425][ T3523] R13: 00007fffb6de6ef8 R14: 00007f937656901a R15: 00007fffb6de72e8
| [  211.323454][ T3779] softirqs last disabled at (0): 0x0
| [  211.323456][ T3779] Preemption disabled at:
| [  211.323456][ T3779] vprintk_emit (kernel/printk/printk.c:2471)
| [  211.323466][ T3779] Tainted: [W]=WARN
[  211.323467][ T3779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  211.323469][ T3779] Call Trace:
[  211.323471][ T3779]  <TASK>
[  211.323472][ T3779]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  211.323478][ T3779]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  211.323479][ T3779]  __might_resched.cold (kernel/sched/core.c:9234)
[  211.323484][ T3779]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  211.323487][ T3779]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  211.323489][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323492][ T3779]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  211.323495][ T3779]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.323498][ T3779]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.323502][ T3779]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  211.323504][ T3779]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.323507][ T3779]  put_chars (drivers/char/virtio_console.c:1176)
[  211.323508][ T3779]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  211.323510][ T3779]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  211.323511][ T3779]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  211.323514][ T3779]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  211.323519][ T3779]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  211.323521][ T3779]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  211.323523][ T3779]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  211.323526][ T3779]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.323528][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323529][ T3779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.323532][ T3779]  console_emit_next_record (kernel/printk/printk.c:3183)
[  211.323534][ T3779]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  211.323536][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323537][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323538][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323539][ T3779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.323541][ T3779]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  211.323543][ T3779]  console_flush_one_record (kernel/printk/printk.c:3268)
[  211.323546][ T3779]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  211.323548][ T3779]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  211.323550][ T3779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.323552][ T3779]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  211.323554][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323555][ T3779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.323556][ T3779]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  211.323558][ T3779]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  211.323559][ T3779]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  211.323561][ T3779]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  211.323562][ T3779]  vprintk_emit (kernel/printk/printk.c:2479)
[  211.323564][ T3779]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  211.323565][ T3779]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  211.323569][ T3779]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  211.323575][ T3779]  _printk (kernel/printk/printk.c:2504)
[  211.323578][ T3779]  ? snapshot_read.cold (user.c:?)
[  211.323581][ T3779]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  211.323584][ T3779]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  211.323586][ T3779]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  211.323588][ T3779]  ? netdev_notice (net/core/dev.c:13194)
[  211.323590][ T3779]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  211.323593][ T3779]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  211.323595][ T3779]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  211.323598][ T3779]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  211.323599][ T3779]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  211.323602][ T3779]  netif_set_promiscuity (net/core/dev.c:9699)
[  211.323604][ T3779]  dev_set_promiscuity (net/core/dev_api.c:288)
[  211.323606][ T3779]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  211.323610][ T3779] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  211.323616][ T3779] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  211.323621][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323622][ T3779]  notifier_call_chain (kernel/notifier.c:85)
[  211.323626][ T3779]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  211.323628][ T3779]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  211.323631][ T3779]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  211.323633][ T3779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.323634][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323635][ T3779]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  211.323637][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323643][ T3779]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  211.323645][ T3779]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.323647][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323648][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323649][ T3779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.323651][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323652][ T3779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.323653][ T3779]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  211.323656][ T3779]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  211.323657][ T3779]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  211.323660][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323661][ T3779]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  211.323664][ T3779]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  211.323667][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323668][ T3779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.323669][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323670][ T3779]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  211.323672][ T3779]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  211.323674][ T3779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  211.323675][ T3779]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  211.323678][ T3779]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  211.323682][ T3779]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  211.323685][ T3779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  211.323687][ T3779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.323688][ T3779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  211.323690][ T3779]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  211.323693][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323694][ T3779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.323696][ T3779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  211.323698][ T3779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  211.323700][ T3779]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.323702][ T3779]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  211.323705][ T3779]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  211.323706][ T3779]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  211.323708][ T3779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.323710][ T3779]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  211.323713][ T3779]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  211.323716][ T3779]  ____sys_sendmsg (net/socket.c:2713)
[  211.323717][ T3779]  ? copy_msghdr_from_user (net/socket.c:2650)
[  211.323719][ T3779]  ? sock_write_iter (net/socket.c:1269)
[  211.323721][ T3779]  ? move_addr_to_kernel (net/socket.c:258)
[  211.323722][ T3779]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  211.323725][ T3779]  ___sys_sendmsg (net/socket.c:2767)
[  211.323727][ T3779]  ? copy_msghdr_from_user (net/socket.c:2619)
[  211.323731][ T3779]  __sys_sendmsg (net/socket.c:2799)
[  211.323734][ T3779]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  211.323736][ T3779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.323738][ T3779]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  211.323740][ T3779]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  211.323742][ T3779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.323743][ T3779] RIP: 0033:0x7f9e9f77c54e
[  211.323745][ T3779] 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
[  211.323747][ T3779] RSP: 002b:00007ffe54df3c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  211.323751][ T3779] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9e9f77c54e
[  211.323752][ T3779] RDX: 0000000000000000 RSI: 00007ffe54df3d30 RDI: 0000000000000005
[  211.323753][ T3779] RBP: 00007ffe54df3c90 R08: 0000000000000000 R09: 0000000000000000
[  211.323754][ T3779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d95d
[  211.323755][ T3779] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe54df43f0
| [  214.122764][ T3836] softirqs last disabled at (0): 0x0
| [  214.122766][ T3836] Preemption disabled at:
| [  214.122771][ T3836] vprintk_emit (kernel/printk/printk.c:2471)
| [  214.122781][ T3836] Tainted: [W]=WARN
[  214.122782][ T3836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  214.122784][ T3836] Call Trace:
[  214.122786][ T3836]  <TASK>
[  214.122787][ T3836]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  214.122793][ T3836]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  214.122794][ T3836]  __might_resched.cold (kernel/sched/core.c:9234)
[  214.122798][ T3836]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  214.122802][ T3836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.122804][ T3836]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  214.122807][ T3836]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.122810][ T3836]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.122815][ T3836]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  214.122817][ T3836]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.122819][ T3836]  put_chars (drivers/char/virtio_console.c:1176)
[  214.122821][ T3836]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  214.122822][ T3836]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  214.122825][ T3836]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  214.122830][ T3836]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  214.122832][ T3836]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.122834][ T3836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.122835][ T3836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.122837][ T3836]  console_emit_next_record (kernel/printk/printk.c:3183)
[  214.122840][ T3836]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  214.122842][ T3836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.122843][ T3836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.122844][ T3836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.122845][ T3836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.122846][ T3836]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  214.122848][ T3836]  console_flush_one_record (kernel/printk/printk.c:3268)
[  214.122850][ T3836]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  214.122853][ T3836]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  214.122855][ T3836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.122857][ T3836]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  214.122858][ T3836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.122859][ T3836]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.122861][ T3836]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  214.122863][ T3836]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  214.122864][ T3836]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  214.122866][ T3836]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  214.122868][ T3836]  vprintk_emit (kernel/printk/printk.c:2479)
[  214.122870][ T3836]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  214.122871][ T3836]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  214.122873][ T3836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.122874][ T3836]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  214.122878][ T3836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.122879][ T3836]  _printk (kernel/printk/printk.c:2504)
[  214.122883][ T3836]  ? snapshot_read.cold (user.c:?)
[  214.122884][ T3836]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  214.122889][ T3836]  ? idr_get_free (??:?)
[  214.122890][ T3836]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  214.122894][ T3836]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  214.122901][ T3836]  ? nla_get_range_signed (lib/nlattr.c:270)
[  214.122905][ T3836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.122907][ T3836]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  214.122909][ T3836]  __nla_validate_parse (lib/nlattr.c:635)
[  214.122913][ T3836]  __nla_parse (lib/nlattr.c:732)
[  214.122915][ T3836]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  214.122917][ T3836]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.122919][ T3836]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  214.122921][ T3836]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  214.122924][ T3836]  ? security_capable (security/security.c:660 (discriminator 11))
[  214.122927][ T3836]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  214.122930][ T3836]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  214.122932][ T3836]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  214.122939][ T3836]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  214.122942][ T3836]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  214.122945][ T3836]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  214.122947][ T3836]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  214.122949][ T3836]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  214.122951][ T3836]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  214.122953][ T3836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.122955][ T3836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.122956][ T3836]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.122958][ T3836]  genl_rcv (net/netlink/genetlink.c:1218)
[  214.122960][ T3836]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  214.122968][ T3836]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  214.122971][ T3836]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  214.122973][ T3836]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  214.122975][ T3836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.122977][ T3836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.122978][ T3836]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  214.122981][ T3836]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  214.122984][ T3836]  __sys_sendto (net/socket.c:2281)
[  214.122986][ T3836]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  214.122990][ T3836]  ? fput_close_sync (fs/file_table.c:617)
[  214.122993][ T3836]  ? alloc_file_clone (fs/file_table.c:479)
[  214.122995][ T3836]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  214.122997][ T3836]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  214.122999][ T3836]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  214.123000][ T3836]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  214.123002][ T3836]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  214.123004][ T3836]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  214.123006][ T3836]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  214.123008][ T3836] RIP: 0033:0x7f1445012312
[  214.123011][ T3836] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  214.123013][ T3836] RSP: 002b:00007ffcfc4c7bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  214.123017][ T3836] RAX: ffffffffffffffda RBX: 00007ffcfc4c7cf8 RCX: 00007f1445012312
[  214.123018][ T3836] RDX: 0000000000000048 RSI: 00007f1442d6b910 RDI: 0000000000000020
[  214.123019][ T3836] RBP: 00007ffcfc4c7bf0 R08: 00007ffcfc4c7d70 R09: 000000000000000c
[  214.123020][ T3836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1442e72120
[  214.123021][ T3836] R13: 00007ffcfc4c7cf8 R14: 00007f144493101a R15: 00007ffcfc4c80e8
| [  215.322964][ T3884] softirqs last disabled at (0): 0x0
| [  215.322967][ T3884] Preemption disabled at:
| [  215.322968][ T3884] vprintk_emit (kernel/printk/printk.c:2471)
| [  215.322988][ T3884] Tainted: [W]=WARN
[  215.322990][ T3884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  215.322993][ T3884] Call Trace:
[  215.322995][ T3884]  <TASK>
[  215.322997][ T3884]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  215.323004][ T3884]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  215.323006][ T3884]  __might_resched.cold (kernel/sched/core.c:9234)
[  215.323011][ T3884]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  215.323016][ T3884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.323020][ T3884]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  215.323024][ T3884]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.323028][ T3884]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.323033][ T3884]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  215.323036][ T3884]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.323040][ T3884]  put_chars (drivers/char/virtio_console.c:1176)
[  215.323042][ T3884]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  215.323045][ T3884]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  215.323048][ T3884]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  215.323052][ T3884]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  215.323058][ T3884]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  215.323061][ T3884]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.323064][ T3884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.323065][ T3884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.323067][ T3884]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.323071][ T3884]  console_emit_next_record (kernel/printk/printk.c:3183)
[  215.323075][ T3884]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  215.323078][ T3884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.323080][ T3884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.323082][ T3884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.323084][ T3884]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.323087][ T3884]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  215.323089][ T3884]  console_flush_one_record (kernel/printk/printk.c:3268)
[  215.323093][ T3884]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  215.323097][ T3884]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  215.323100][ T3884]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.323103][ T3884]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  215.323105][ T3884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.323107][ T3884]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.323109][ T3884]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  215.323112][ T3884]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  215.323114][ T3884]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  215.323117][ T3884]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  215.323119][ T3884]  vprintk_emit (kernel/printk/printk.c:2479)
[  215.323122][ T3884]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  215.323126][ T3884]  _printk (kernel/printk/printk.c:2504)
[  215.323129][ T3884]  ? snapshot_read.cold (user.c:?)
[  215.323132][ T3884]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  215.323136][ T3884]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  215.323141][ T3884]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  215.323144][ T3884]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  215.323148][ T3884]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  215.323151][ T3884]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  215.323154][ T3884]  ? netdev_notice (net/core/dev.c:13194)
[  215.323157][ T3884]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  215.323169][ T3884]  ? 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)
[  215.323171][ T3884]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  215.323175][ T3884]  netif_set_promiscuity (net/core/dev.c:9699)
[  215.323179][ T3884]  dev_set_promiscuity (net/core/dev_api.c:288)
[  215.323181][ T3884]  ? dev_disable_lro (net/core/dev_api.c:267)
[  215.323184][ T3884] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  215.323191][ T3884] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  215.323197][ T3884]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.323200][ T3884] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  215.323207][ T3884]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  215.323214][ T3884] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  215.323220][ T3884]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  215.323226][ T3884]  ? __nla_validate_parse (lib/nlattr.c:635)
[  215.323232][ T3884]  ? __nla_parse (lib/nlattr.c:732)
[  215.323235][ T3884]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  215.323240][ T3884]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  215.323244][ T3884]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  215.323249][ T3884]  ? security_capable (security/security.c:660 (discriminator 11))
[  215.323253][ T3884]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  215.323257][ T3884]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  215.323260][ T3884]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  215.323266][ T3884]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  215.323270][ T3884]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  215.323274][ T3884]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  215.323277][ T3884]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  215.323280][ T3884]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  215.323283][ T3884]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  215.323287][ T3884]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.323290][ T3884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.323292][ T3884]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.323295][ T3884]  genl_rcv (net/netlink/genetlink.c:1218)
[  215.323298][ T3884]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  215.323302][ T3884]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  215.323304][ T3884]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  215.323308][ T3884]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  215.323312][ T3884]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  215.323316][ T3884]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  215.323319][ T3884]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.323321][ T3884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.323324][ T3884]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  215.323328][ T3884]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  215.323332][ T3884]  __sys_sendto (net/socket.c:2281)
[  215.323335][ T3884]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  215.323341][ T3884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.323343][ T3884]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.323346][ T3884]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  215.323349][ T3884]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  215.323351][ T3884]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  215.323354][ T3884]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  215.323356][ T3884]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  215.323360][ T3884]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  215.323364][ T3884]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  215.323367][ T3884] RIP: 0033:0x7f9d13b84312
[  215.323370][ T3884] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  215.323373][ T3884] RSP: 002b:00007ffe22dfbc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  215.323378][ T3884] RAX: ffffffffffffffda RBX: 00007ffe22dfbda8 RCX: 00007f9d13b84312
[  215.323380][ T3884] RDX: 0000000000000030 RSI: 00007f9d1076eef0 RDI: 0000000000000023
[  215.323382][ T3884] RBP: 00007ffe22dfbca0 R08: 00007ffe22dfbe20 R09: 000000000000000c
[  215.323383][ T3884] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d119ee200
[  215.323385][ T3884] R13: 00007ffe22dfbda8 R14: 00007f9d134a301a R15: 00007ffe22dfc198
| [  216.354159][ T3922] softirqs last disabled at (0): 0x0
| [  216.354161][ T3922] Preemption disabled at:
| [  216.354162][ T3922] vprintk_emit (kernel/printk/printk.c:2471)
| [  216.354172][ T3922] Tainted: [W]=WARN
[  216.354174][ T3922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  216.354175][ T3922] Call Trace:
[  216.354177][ T3922]  <TASK>
[  216.354178][ T3922]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  216.354184][ T3922]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  216.354185][ T3922]  __might_resched.cold (kernel/sched/core.c:9234)
[  216.354190][ T3922]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  216.354194][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354196][ T3922]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  216.354199][ T3922]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  216.354202][ T3922]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.354207][ T3922]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  216.354209][ T3922]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.354212][ T3922]  put_chars (drivers/char/virtio_console.c:1176)
[  216.354214][ T3922]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  216.354215][ T3922]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  216.354218][ T3922]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  216.354220][ T3922]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  216.354225][ T3922]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  216.354227][ T3922]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  216.354229][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354230][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354231][ T3922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.354234][ T3922]  console_emit_next_record (kernel/printk/printk.c:3183)
[  216.354237][ T3922]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  216.354239][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354240][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354241][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354242][ T3922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.354244][ T3922]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  216.354246][ T3922]  console_flush_one_record (kernel/printk/printk.c:3268)
[  216.354248][ T3922]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  216.354251][ T3922]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  216.354253][ T3922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.354255][ T3922]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  216.354256][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354257][ T3922]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  216.354259][ T3922]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  216.354260][ T3922]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  216.354262][ T3922]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  216.354264][ T3922]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  216.354265][ T3922]  vprintk_emit (kernel/printk/printk.c:2479)
[  216.354267][ T3922]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  216.354269][ T3922]  _printk (kernel/printk/printk.c:2504)
[  216.354272][ T3922]  ? snapshot_read.cold (user.c:?)
[  216.354274][ T3922]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  216.354277][ T3922]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  216.354281][ T3922]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  216.354283][ T3922]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  216.354286][ T3922]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  216.354288][ T3922]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  216.354290][ T3922]  ? netdev_notice (net/core/dev.c:13194)
[  216.354292][ T3922]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  216.354300][ T3922]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  216.354302][ T3922]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  216.354304][ T3922]  netif_set_promiscuity (net/core/dev.c:9699)
[  216.354307][ T3922]  dev_set_promiscuity (net/core/dev_api.c:288)
[  216.354309][ T3922]  ? dev_disable_lro (net/core/dev_api.c:267)
[  216.354311][ T3922] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  216.354315][ T3922] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  216.354318][ T3922]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  216.354320][ T3922] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  216.354325][ T3922]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  216.354329][ T3922] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  216.354333][ T3922]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  216.354336][ T3922]  ? __nla_validate_parse (lib/nlattr.c:635)
[  216.354340][ T3922]  ? __nla_parse (lib/nlattr.c:732)
[  216.354342][ T3922]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  216.354346][ T3922]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  216.354348][ T3922]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  216.354352][ T3922]  ? security_capable (security/security.c:660 (discriminator 11))
[  216.354355][ T3922]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  216.354357][ T3922]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  216.354359][ T3922]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  216.354363][ T3922]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  216.354366][ T3922]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  216.354368][ T3922]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  216.354370][ T3922]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  216.354372][ T3922]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  216.354374][ T3922]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  216.354377][ T3922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.354378][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354380][ T3922]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  216.354381][ T3922]  genl_rcv (net/netlink/genetlink.c:1218)
[  216.354383][ T3922]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  216.354386][ T3922]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  216.354388][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354389][ T3922]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  216.354391][ T3922]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  216.354393][ T3922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.354395][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354396][ T3922]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  216.354399][ T3922]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  216.354402][ T3922]  __sys_sendto (net/socket.c:2281)
[  216.354405][ T3922]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  216.354408][ T3922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.354410][ T3922]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  216.354412][ T3922]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  216.354414][ T3922]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  216.354416][ T3922]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  216.354418][ T3922]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  216.354419][ T3922]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  216.354423][ T3922]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  216.354425][ T3922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  216.354427][ T3922] RIP: 0033:0x7f815e3ce312
[  216.354429][ T3922] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  216.354431][ T3922] RSP: 002b:00007ffc0310f538 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  216.354434][ T3922] RAX: ffffffffffffffda RBX: 00007ffc0310f668 RCX: 00007f815e3ce312
[  216.354436][ T3922] RDX: 0000000000000030 RSI: 00007f8159fed930 RDI: 0000000000000023
[  216.354437][ T3922] RBP: 00007ffc0310f560 R08: 00007ffc0310f6e0 R09: 000000000000000c
[  216.354438][ T3922] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f815c22e2e0
[  216.354439][ T3922] R13: 00007ffc0310f668 R14: 00007f815dced01a R15: 00007ffc0310fa58
| [  219.626334][ T4011] softirqs last disabled at (0): 0x0
| [  219.626337][ T4011] Preemption disabled at:
| [  219.626338][ T4011] vprintk_emit (kernel/printk/printk.c:2471)
| [  219.626351][ T4011] Tainted: [W]=WARN
[  219.626352][ T4011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  219.626355][ T4011] Call Trace:
[  219.626357][ T4011]  <TASK>
[  219.626358][ T4011]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  219.626365][ T4011]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  219.626367][ T4011]  __might_resched.cold (kernel/sched/core.c:9234)
[  219.626372][ T4011]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  219.626377][ T4011]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  219.626381][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626385][ T4011]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  219.626388][ T4011]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.626392][ T4011]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.626398][ T4011]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  219.626401][ T4011]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.626404][ T4011]  put_chars (drivers/char/virtio_console.c:1176)
[  219.626407][ T4011]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  219.626410][ T4011]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  219.626414][ T4011]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  219.626420][ T4011]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  219.626423][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626425][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.626429][ T4011]  console_emit_next_record (kernel/printk/printk.c:3183)
[  219.626433][ T4011]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  219.626436][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626438][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626440][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626442][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.626445][ T4011]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  219.626448][ T4011]  console_flush_one_record (kernel/printk/printk.c:3268)
[  219.626451][ T4011]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  219.626456][ T4011]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  219.626458][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.626461][ T4011]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  219.626464][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626466][ T4011]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.626468][ T4011]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  219.626470][ T4011]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  219.626473][ T4011]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  219.626476][ T4011]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  219.626478][ T4011]  vprintk_emit (kernel/printk/printk.c:2479)
[  219.626481][ T4011]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  219.626483][ T4011]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  219.626486][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626488][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.626491][ T4011]  _printk (kernel/printk/printk.c:2504)
[  219.626495][ T4011]  ? snapshot_read.cold (user.c:?)
[  219.626498][ T4011]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  219.626503][ T4011]  ? idr_get_free (??:?)
[  219.626506][ T4011]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  219.626516][ T4011]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  219.626521][ T4011] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  219.626530][ T4011]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  219.626536][ T4011]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  219.626539][ T4011]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  219.626543][ T4011]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  219.626546][ T4011]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  219.626549][ T4011]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.626551][ T4011]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.626554][ T4011]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  219.626557][ T4011]  ? __sys_sendto (net/socket.c:2281)
[  219.626560][ T4011]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  219.626570][ T4011]  ? __nla_parse (lib/nlattr.c:732)
[  219.626574][ T4011]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  219.626578][ T4011]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  219.626582][ T4011]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  219.626587][ T4011]  ? security_capable (security/security.c:660 (discriminator 11))
[  219.626591][ T4011]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  219.626594][ T4011]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  219.626598][ T4011]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  219.626604][ T4011]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  219.626608][ T4011]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  219.626612][ T4011]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  219.626615][ T4011]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.626618][ T4011]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  219.626621][ T4011]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  219.626625][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.626628][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626630][ T4011]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.626633][ T4011]  genl_rcv (net/netlink/genetlink.c:1218)
[  219.626636][ T4011]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.626639][ T4011]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  219.626642][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626645][ T4011]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.626649][ T4011]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  219.626652][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.626655][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626657][ T4011]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  219.626660][ T4011]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  219.626664][ T4011]  __sys_sendto (net/socket.c:2281)
[  219.626667][ T4011]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  219.626673][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.626675][ T4011]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.626678][ T4011]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  219.626681][ T4011]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  219.626683][ T4011]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  219.626686][ T4011]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  219.626688][ T4011]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.626692][ T4011]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  219.626695][ T4011]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.626697][ T4011] RIP: 0033:0x7f171755b312
[  219.626700][ T4011] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  219.626703][ T4011] RSP: 002b:00007ffc547fee88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  219.626707][ T4011] RAX: ffffffffffffffda RBX: 00007ffc547fefb8 RCX: 00007f171755b312
[  219.626709][ T4011] RDX: 00000000000000b0 RSI: 00007f171523b930 RDI: 0000000000000026
[  219.626711][ T4011] RBP: 00007ffc547feeb0 R08: 00007ffc547ff030 R09: 000000000000000c
[  219.626712][ T4011] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17153be350
[  219.626714][ T4011] R13: 00007ffc547fefb8 R14: 00007f1716e7a01a R15: 00007ffc547ff3a8
| [  228.949736][ T4214] softirqs last disabled at (0): 0x0
| [  228.949739][ T4214] Preemption disabled at:
| [  228.949740][ T4214] vprintk_emit (kernel/printk/printk.c:2471)
| [  228.949753][ T4214] Tainted: [W]=WARN
[  228.949755][ T4214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  228.949757][ T4214] Call Trace:
[  228.949760][ T4214]  <TASK>
[  228.949761][ T4214]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  228.949768][ T4214]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  228.949771][ T4214]  __might_resched.cold (kernel/sched/core.c:9234)
[  228.949776][ T4214]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  228.949780][ T4214]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  228.949783][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.949787][ T4214]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  228.949791][ T4214]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  228.949795][ T4214]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  228.949801][ T4214]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  228.949804][ T4214]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  228.949808][ T4214]  put_chars (drivers/char/virtio_console.c:1176)
[  228.949810][ T4214]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  228.949813][ T4214]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  228.949816][ T4214]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  228.949820][ T4214]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  228.949827][ T4214]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  228.949830][ T4214]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  228.949832][ T4214]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  228.949837][ T4214]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  228.949839][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.949842][ T4214]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.949846][ T4214]  console_emit_next_record (kernel/printk/printk.c:3183)
[  228.949850][ T4214]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  228.949853][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.949855][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.949857][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.949859][ T4214]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.949862][ T4214]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  228.949865][ T4214]  console_flush_one_record (kernel/printk/printk.c:3268)
[  228.949869][ T4214]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  228.949874][ T4214]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  228.949876][ T4214]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.949879][ T4214]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  228.949882][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.949884][ T4214]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  228.949886][ T4214]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  228.949889][ T4214]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  228.949891][ T4214]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  228.949894][ T4214]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  228.949897][ T4214]  vprintk_emit (kernel/printk/printk.c:2479)
[  228.949900][ T4214]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  228.949902][ T4214]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  228.949906][ T4214]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  228.949916][ T4214]  _printk (kernel/printk/printk.c:2504)
[  228.949920][ T4214]  ? snapshot_read.cold (user.c:?)
[  228.949923][ T4214]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  228.949928][ T4214]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  228.949931][ T4214]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  228.949934][ T4214]  ? netdev_notice (net/core/dev.c:13194)
[  228.949937][ T4214]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  228.949941][ T4214]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  228.949945][ T4214]  ? 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)
[  228.949948][ T4214]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  228.949951][ T4214]  netif_set_promiscuity (net/core/dev.c:9699)
[  228.949955][ T4214]  dev_set_promiscuity (net/core/dev_api.c:288)
[  228.949958][ T4214]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  228.949963][ T4214] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  228.949972][ T4214] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  228.949979][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.949982][ T4214]  notifier_call_chain (kernel/notifier.c:85)
[  228.949987][ T4214]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  228.949991][ T4214]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  228.949995][ T4214]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  228.949998][ T4214]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  228.950001][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.950003][ T4214]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  228.950005][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.950015][ T4214]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  228.950019][ T4214]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  228.950022][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.950024][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.950026][ T4214]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.950028][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.950030][ T4214]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  228.950033][ T4214]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  228.950037][ T4214]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  228.950039][ T4214]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  228.950043][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.950045][ T4214]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  228.950049][ T4214]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  228.950053][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.950055][ T4214]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.950057][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.950059][ T4214]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  228.950062][ T4214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  228.950065][ T4214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  228.950067][ T4214]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  228.950071][ T4214]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  228.950077][ T4214]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  228.950080][ T4214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  228.950083][ T4214]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  228.950086][ T4214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  228.950088][ T4214]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  228.950098][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.950100][ T4214]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  228.950104][ T4214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  228.950107][ T4214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  228.950110][ T4214]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  228.950114][ T4214]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  228.950117][ T4214]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  228.950119][ T4214]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  228.950122][ T4214]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.950125][ T4214]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  228.950129][ T4214]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  228.950134][ T4214]  ____sys_sendmsg (net/socket.c:2713)
[  228.950136][ T4214]  ? copy_msghdr_from_user (net/socket.c:2650)
[  228.950139][ T4214]  ? sock_write_iter (net/socket.c:1269)
[  228.950141][ T4214]  ? move_addr_to_kernel (net/socket.c:258)
[  228.950143][ T4214]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  228.950148][ T4214]  ___sys_sendmsg (net/socket.c:2767)
[  228.950151][ T4214]  ? copy_msghdr_from_user (net/socket.c:2619)
[  228.950159][ T4214]  __sys_sendmsg (net/socket.c:2799)
[  228.950162][ T4214]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  228.950167][ T4214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.950169][ T4214]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  228.950173][ T4214]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  228.950176][ T4214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  228.950179][ T4214] RIP: 0033:0x7f27b96f154e
[  228.950182][ T4214] 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
[  228.950185][ T4214] RSP: 002b:00007ffcae725390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  228.950189][ T4214] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f27b96f154e
[  228.950191][ T4214] RDX: 0000000000000000 RSI: 00007ffcae725440 RDI: 0000000000000005
[  228.950193][ T4214] RBP: 00007ffcae7253a0 R08: 0000000000000000 R09: 0000000000000000
[  228.950195][ T4214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d96f
[  228.950196][ T4214] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcae725b00
| [  231.537694][ T4271] softirqs last disabled at (0): 0x0
| [  231.537696][ T4271] Preemption disabled at:
| [  231.537697][ T4271] vprintk_emit (kernel/printk/printk.c:2471)
| [  231.537707][ T4271] Tainted: [W]=WARN
[  231.537708][ T4271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  231.537711][ T4271] Call Trace:
[  231.537712][ T4271]  <TASK>
[  231.537713][ T4271]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  231.537719][ T4271]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  231.537721][ T4271]  __might_resched.cold (kernel/sched/core.c:9234)
[  231.537725][ T4271]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  231.537728][ T4271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.537731][ T4271]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  231.537734][ T4271]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  231.537737][ T4271]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.537742][ T4271]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  231.537744][ T4271]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.537747][ T4271]  put_chars (drivers/char/virtio_console.c:1176)
[  231.537749][ T4271]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  231.537750][ T4271]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  231.537753][ T4271]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  231.537758][ T4271]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  231.537760][ T4271]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  231.537762][ T4271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.537763][ T4271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.537765][ T4271]  console_emit_next_record (kernel/printk/printk.c:3183)
[  231.537772][ T4271]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  231.537774][ T4271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.537775][ T4271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.537776][ T4271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.537777][ T4271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.537779][ T4271]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  231.537781][ T4271]  console_flush_one_record (kernel/printk/printk.c:3268)
[  231.537783][ T4271]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  231.537786][ T4271]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  231.537788][ T4271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.537790][ T4271]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  231.537791][ T4271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.537792][ T4271]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  231.537794][ T4271]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  231.537795][ T4271]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  231.537797][ T4271]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  231.537799][ T4271]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  231.537800][ T4271]  vprintk_emit (kernel/printk/printk.c:2479)
[  231.537802][ T4271]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  231.537803][ T4271]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  231.537805][ T4271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.537806][ T4271]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  231.537810][ T4271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.537812][ T4271]  _printk (kernel/printk/printk.c:2504)
[  231.537815][ T4271]  ? snapshot_read.cold (user.c:?)
[  231.537817][ T4271]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  231.537821][ T4271]  ? idr_get_free (??:?)
[  231.537823][ T4271]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  231.537826][ T4271]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  231.537833][ T4271]  ? nla_get_range_signed (lib/nlattr.c:270)
[  231.537837][ T4271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.537839][ T4271]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  231.537841][ T4271]  __nla_validate_parse (lib/nlattr.c:635)
[  231.537845][ T4271]  __nla_parse (lib/nlattr.c:732)
[  231.537847][ T4271]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  231.537849][ T4271]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  231.537851][ T4271]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  231.537854][ T4271]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  231.537857][ T4271]  ? security_capable (security/security.c:660 (discriminator 11))
[  231.537860][ T4271]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  231.537862][ T4271]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  231.537865][ T4271]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  231.537872][ T4271]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  231.537875][ T4271]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  231.537878][ T4271]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  231.537880][ T4271]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  231.537882][ T4271]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  231.537884][ T4271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  231.537886][ T4271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.537888][ T4271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.537889][ T4271]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  231.537891][ T4271]  genl_rcv (net/netlink/genetlink.c:1218)
[  231.537893][ T4271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  231.537895][ T4271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  231.537898][ T4271]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  231.537900][ T4271]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  231.537902][ T4271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.537904][ T4271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.537906][ T4271]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  231.537908][ T4271]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  231.537912][ T4271]  __sys_sendto (net/socket.c:2281)
[  231.537914][ T4271]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  231.537918][ T4271]  ? fput_close_sync (fs/file_table.c:617)
[  231.537921][ T4271]  ? alloc_file_clone (fs/file_table.c:479)
[  231.537923][ T4271]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  231.537925][ T4271]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  231.537926][ T4271]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  231.537928][ T4271]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  231.537929][ T4271]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  231.537932][ T4271]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  231.537934][ T4271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  231.537936][ T4271] RIP: 0033:0x7f71f2aff312
[  231.537938][ T4271] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  231.537940][ T4271] RSP: 002b:00007fff817d74e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  231.537944][ T4271] RAX: ffffffffffffffda RBX: 00007fff817d7618 RCX: 00007f71f2aff312
[  231.537945][ T4271] RDX: 0000000000000044 RSI: 00007f71ee6e67e0 RDI: 0000000000000020
[  231.537946][ T4271] RBP: 00007fff817d7510 R08: 00007fff817d7690 R09: 000000000000000c
[  231.537947][ T4271] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f71f0962190
[  231.537948][ T4271] R13: 00007fff817d7618 R14: 00007f71f241e01a R15: 00007fff817d7a08
| [  232.583861][ T4320] softirqs last disabled at (0): 0x0
| [  232.583863][ T4320] Preemption disabled at:
| [  232.583863][ T4320] vprintk_emit (kernel/printk/printk.c:2471)
| [  232.583875][ T4320] Tainted: [W]=WARN
[  232.583876][ T4320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  232.583878][ T4320] Call Trace:
[  232.583880][ T4320]  <TASK>
[  232.583881][ T4320]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  232.583887][ T4320]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  232.583888][ T4320]  __might_resched.cold (kernel/sched/core.c:9234)
[  232.583892][ T4320]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  232.583896][ T4320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.583898][ T4320]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  232.583901][ T4320]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  232.583904][ T4320]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.583909][ T4320]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  232.583911][ T4320]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.583914][ T4320]  put_chars (drivers/char/virtio_console.c:1176)
[  232.583916][ T4320]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  232.583917][ T4320]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  232.583921][ T4320]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  232.583923][ T4320]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  232.583928][ T4320]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  232.583930][ T4320]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  232.583932][ T4320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.583933][ T4320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.583934][ T4320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.583937][ T4320]  console_emit_next_record (kernel/printk/printk.c:3183)
[  232.583940][ T4320]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  232.583942][ T4320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.583943][ T4320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.583944][ T4320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.583945][ T4320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.583948][ T4320]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  232.583949][ T4320]  console_flush_one_record (kernel/printk/printk.c:3268)
[  232.583952][ T4320]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  232.583955][ T4320]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  232.583957][ T4320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.583959][ T4320]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  232.583961][ T4320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.583962][ T4320]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.583963][ T4320]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  232.583965][ T4320]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  232.583966][ T4320]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  232.583969][ T4320]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  232.583970][ T4320]  vprintk_emit (kernel/printk/printk.c:2479)
[  232.583972][ T4320]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  232.583974][ T4320]  _printk (kernel/printk/printk.c:2504)
[  232.583977][ T4320]  ? snapshot_read.cold (user.c:?)
[  232.583979][ T4320]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  232.583982][ T4320]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  232.583986][ T4320]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  232.583988][ T4320]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  232.583991][ T4320]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  232.583993][ T4320]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  232.583996][ T4320]  ? netdev_notice (net/core/dev.c:13194)
[  232.583997][ T4320]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  232.584006][ T4320]  ? 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)
[  232.584007][ T4320]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  232.584010][ T4320]  netif_set_promiscuity (net/core/dev.c:9699)
[  232.584012][ T4320]  dev_set_promiscuity (net/core/dev_api.c:288)
[  232.584014][ T4320]  ? dev_disable_lro (net/core/dev_api.c:267)
[  232.584016][ T4320] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  232.584020][ T4320] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  232.584024][ T4320]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.584026][ T4320] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  232.584030][ T4320]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  232.584034][ T4320] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  232.584038][ T4320]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  232.584042][ T4320]  ? __nla_validate_parse (lib/nlattr.c:635)
[  232.584046][ T4320]  ? __nla_parse (lib/nlattr.c:732)
[  232.584048][ T4320]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  232.584053][ T4320]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  232.584055][ T4320]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  232.584059][ T4320]  ? security_capable (security/security.c:660 (discriminator 11))
[  232.584062][ T4320]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  232.584064][ T4320]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  232.584067][ T4320]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  232.584070][ T4320]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  232.584074][ T4320]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  232.584076][ T4320]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  232.584079][ T4320]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  232.584081][ T4320]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  232.584083][ T4320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  232.584086][ T4320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.584087][ T4320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.584089][ T4320]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.584091][ T4320]  genl_rcv (net/netlink/genetlink.c:1218)
[  232.584093][ T4320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  232.584095][ T4320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  232.584097][ T4320]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  232.584100][ T4320]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  232.584103][ T4320]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  232.584105][ T4320]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  232.584107][ T4320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.584109][ T4320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.584111][ T4320]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  232.584114][ T4320]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  232.584117][ T4320]  __sys_sendto (net/socket.c:2281)
[  232.584119][ T4320]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  232.584121][ T4320]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.584124][ T4320]  ? do_futex (kernel/futex/syscalls.c:133)
[  232.584133][ T4320]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  232.584136][ T4320]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  232.584140][ T4320]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  232.584142][ T4320]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  232.584143][ T4320]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  232.584145][ T4320]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  232.584146][ T4320]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  232.584150][ T4320]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  232.584152][ T4320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  232.584155][ T4320] RIP: 0033:0x7fe09f743312
[  232.584157][ T4320] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  232.584159][ T4320] RSP: 002b:00007ffce1b96558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  232.584163][ T4320] RAX: ffffffffffffffda RBX: 00007ffce1b96688 RCX: 00007fe09f743312
[  232.584164][ T4320] RDX: 0000000000000030 RSI: 00007fe09d459170 RDI: 0000000000000023
[  232.584166][ T4320] RBP: 00007ffce1b96580 R08: 00007ffce1b96700 R09: 000000000000000c
[  232.584166][ T4320] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe09d5a6200
[  232.584167][ T4320] R13: 00007ffce1b96688 R14: 00007fe09f06201a R15: 00007ffce1b96a78
| [  233.648824][ T4358] softirqs last disabled at (0): 0x0
| [  233.648826][ T4358] Preemption disabled at:
| [  233.648827][ T4358] vprintk_emit (kernel/printk/printk.c:2471)
| [  233.648837][ T4358] Tainted: [W]=WARN
[  233.648838][ T4358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  233.648840][ T4358] Call Trace:
[  233.648842][ T4358]  <TASK>
[  233.648844][ T4358]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  233.648850][ T4358]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  233.648851][ T4358]  __might_resched.cold (kernel/sched/core.c:9234)
[  233.648855][ T4358]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  233.648858][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.648861][ T4358]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  233.648864][ T4358]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  233.648867][ T4358]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  233.648872][ T4358]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  233.648874][ T4358]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  233.648877][ T4358]  put_chars (drivers/char/virtio_console.c:1176)
[  233.648879][ T4358]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  233.648880][ T4358]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  233.648883][ T4358]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  233.648885][ T4358]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  233.648890][ T4358]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  233.648892][ T4358]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  233.648894][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.648895][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.648896][ T4358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.648899][ T4358]  console_emit_next_record (kernel/printk/printk.c:3183)
[  233.648902][ T4358]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  233.648904][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.648905][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.648906][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.648907][ T4358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.648909][ T4358]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  233.648911][ T4358]  console_flush_one_record (kernel/printk/printk.c:3268)
[  233.648914][ T4358]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  233.648917][ T4358]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  233.648918][ T4358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.648920][ T4358]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  233.648922][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.648923][ T4358]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  233.648925][ T4358]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  233.648926][ T4358]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  233.648928][ T4358]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  233.648930][ T4358]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  233.648932][ T4358]  vprintk_emit (kernel/printk/printk.c:2479)
[  233.648933][ T4358]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  233.648936][ T4358]  _printk (kernel/printk/printk.c:2504)
[  233.648939][ T4358]  ? snapshot_read.cold (user.c:?)
[  233.648941][ T4358]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  233.648943][ T4358]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  233.648947][ T4358]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  233.648949][ T4358]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  233.648953][ T4358]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  233.648955][ T4358]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  233.648957][ T4358]  ? netdev_notice (net/core/dev.c:13194)
[  233.648959][ T4358]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  233.648968][ T4358]  ? 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)
[  233.648969][ T4358]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  233.648972][ T4358]  netif_set_promiscuity (net/core/dev.c:9699)
[  233.648974][ T4358]  dev_set_promiscuity (net/core/dev_api.c:288)
[  233.648976][ T4358]  ? dev_disable_lro (net/core/dev_api.c:267)
[  233.648978][ T4358] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  233.648983][ T4358] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  233.648986][ T4358]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  233.648988][ T4358] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  233.648993][ T4358]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  233.648997][ T4358] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  233.649001][ T4358]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  233.649004][ T4358]  ? __nla_validate_parse (lib/nlattr.c:635)
[  233.649009][ T4358]  ? __nla_parse (lib/nlattr.c:732)
[  233.649011][ T4358]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  233.649015][ T4358]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  233.649017][ T4358]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  233.649021][ T4358]  ? security_capable (security/security.c:660 (discriminator 11))
[  233.649024][ T4358]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  233.649027][ T4358]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  233.649029][ T4358]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  233.649033][ T4358]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  233.649036][ T4358]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  233.649038][ T4358]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  233.649040][ T4358]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  233.649042][ T4358]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  233.649045][ T4358]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  233.649048][ T4358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.649049][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.649051][ T4358]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  233.649053][ T4358]  genl_rcv (net/netlink/genetlink.c:1218)
[  233.649055][ T4358]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  233.649057][ T4358]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  233.649059][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.649061][ T4358]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  233.649063][ T4358]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  233.649065][ T4358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.649067][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.649068][ T4358]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  233.649071][ T4358]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  233.649074][ T4358]  __sys_sendto (net/socket.c:2281)
[  233.649077][ T4358]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  233.649080][ T4358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.649082][ T4358]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  233.649084][ T4358]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  233.649086][ T4358]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  233.649089][ T4358]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  233.649090][ T4358]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  233.649092][ T4358]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  233.649095][ T4358]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  233.649097][ T4358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  233.649099][ T4358] RIP: 0033:0x7fb0b1371312
[  233.649101][ T4358] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  233.649103][ T4358] RSP: 002b:00007ffc27625438 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  233.649107][ T4358] RAX: ffffffffffffffda RBX: 00007ffc27625568 RCX: 00007fb0b1371312
[  233.649108][ T4358] RDX: 0000000000000030 RSI: 00007fb0acfac770 RDI: 0000000000000023
[  233.649109][ T4358] RBP: 00007ffc27625460 R08: 00007ffc276255e0 R09: 000000000000000c
[  233.649110][ T4358] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb0af1ca2e0
[  233.649111][ T4358] R13: 00007ffc27625568 R14: 00007fb0b0c9001a R15: 00007ffc27625958
| [  240.703795][ T4509] softirqs last disabled at (0): 0x0
| [  240.703798][ T4509] Preemption disabled at:
| [  240.703799][ T4509] vprintk_emit (kernel/printk/printk.c:2471)
| [  240.703812][ T4509] Tainted: [W]=WARN
[  240.703813][ T4509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  240.703816][ T4509] Call Trace:
[  240.703818][ T4509]  <TASK>
[  240.703820][ T4509]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  240.703826][ T4509]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  240.703828][ T4509]  __might_resched.cold (kernel/sched/core.c:9234)
[  240.703833][ T4509]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  240.703838][ T4509]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  240.703841][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.703844][ T4509]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  240.703848][ T4509]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  240.703852][ T4509]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.703858][ T4509]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  240.703861][ T4509]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.703865][ T4509]  put_chars (drivers/char/virtio_console.c:1176)
[  240.703867][ T4509]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  240.703870][ T4509]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  240.703872][ T4509]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  240.703877][ T4509]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  240.703883][ T4509]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  240.703886][ T4509]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  240.703888][ T4509]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  240.703893][ T4509]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  240.703895][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.703898][ T4509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.703902][ T4509]  console_emit_next_record (kernel/printk/printk.c:3183)
[  240.703906][ T4509]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  240.703909][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.703911][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.703913][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.703915][ T4509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.703918][ T4509]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  240.703921][ T4509]  console_flush_one_record (kernel/printk/printk.c:3268)
[  240.703925][ T4509]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  240.703929][ T4509]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  240.703932][ T4509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.703934][ T4509]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  240.703937][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.703939][ T4509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  240.703942][ T4509]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  240.703944][ T4509]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  240.703946][ T4509]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  240.703949][ T4509]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  240.703952][ T4509]  vprintk_emit (kernel/printk/printk.c:2479)
[  240.703955][ T4509]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  240.703957][ T4509]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  240.703962][ T4509]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  240.703971][ T4509]  _printk (kernel/printk/printk.c:2504)
[  240.703975][ T4509]  ? snapshot_read.cold (user.c:?)
[  240.703979][ T4509]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  240.703983][ T4509]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  240.703986][ T4509]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  240.703990][ T4509]  ? netdev_notice (net/core/dev.c:13194)
[  240.703992][ T4509]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  240.703996][ T4509]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  240.704000][ T4509]  ? 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)
[  240.704003][ T4509]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  240.704007][ T4509]  netif_set_promiscuity (net/core/dev.c:9699)
[  240.704010][ T4509]  dev_set_promiscuity (net/core/dev_api.c:288)
[  240.704013][ T4509]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  240.704018][ T4509] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  240.704027][ T4509] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  240.704034][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704037][ T4509]  notifier_call_chain (kernel/notifier.c:85)
[  240.704041][ T4509]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  240.704045][ T4509]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  240.704050][ T4509]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  240.704052][ T4509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  240.704055][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704057][ T4509]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  240.704059][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704069][ T4509]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  240.704073][ T4509]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  240.704076][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704078][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704080][ T4509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.704083][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704085][ T4509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  240.704087][ T4509]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  240.704091][ T4509]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  240.704094][ T4509]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  240.704097][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704099][ T4509]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  240.704103][ T4509]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  240.704106][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704109][ T4509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.704111][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704113][ T4509]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  240.704116][ T4509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  240.704119][ T4509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  240.704121][ T4509]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  240.704125][ T4509]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  240.704131][ T4509]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  240.704135][ T4509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  240.704137][ T4509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  240.704140][ T4509]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  240.704142][ T4509]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  240.704147][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704149][ T4509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  240.704153][ T4509]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  240.704156][ T4509]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  240.704159][ T4509]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  240.704162][ T4509]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  240.704166][ T4509]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  240.704168][ T4509]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  240.704171][ T4509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.704173][ T4509]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  240.704177][ T4509]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  240.704182][ T4509]  ____sys_sendmsg (net/socket.c:2713)
[  240.704184][ T4509]  ? copy_msghdr_from_user (net/socket.c:2650)
[  240.704187][ T4509]  ? sock_write_iter (net/socket.c:1269)
[  240.704189][ T4509]  ? move_addr_to_kernel (net/socket.c:258)
[  240.704192][ T4509]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  240.704201][ T4509]  ___sys_sendmsg (net/socket.c:2767)
[  240.704204][ T4509]  ? copy_msghdr_from_user (net/socket.c:2619)
[  240.704212][ T4509]  __sys_sendmsg (net/socket.c:2799)
[  240.704216][ T4509]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  240.704220][ T4509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.704223][ T4509]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  240.704227][ T4509]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  240.704229][ T4509]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  240.704232][ T4509] RIP: 0033:0x7f1da206254e
[  240.704235][ T4509] 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
[  240.704238][ T4509] RSP: 002b:00007ffcac9c24b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  240.704243][ T4509] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1da206254e
[  240.704245][ T4509] RDX: 0000000000000000 RSI: 00007ffcac9c2560 RDI: 0000000000000005
[  240.704247][ T4509] RBP: 00007ffcac9c24c0 R08: 0000000000000000 R09: 0000000000000000
[  240.704248][ T4509] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d97a
[  240.704250][ T4509] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcac9c2c20
| [  243.426313][ T4569] softirqs last disabled at (0): 0x0
| [  243.426316][ T4569] Preemption disabled at:
| [  243.426317][ T4569] vprintk_emit (kernel/printk/printk.c:2471)
| [  243.426330][ T4569] Tainted: [W]=WARN
[  243.426332][ T4569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  243.426335][ T4569] Call Trace:
[  243.426337][ T4569]  <TASK>
[  243.426339][ T4569]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  243.426345][ T4569]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  243.426347][ T4569]  __might_resched.cold (kernel/sched/core.c:9234)
[  243.426352][ T4569]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  243.426357][ T4569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.426361][ T4569]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  243.426365][ T4569]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  243.426369][ T4569]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  243.426375][ T4569]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  243.426378][ T4569]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  243.426381][ T4569]  put_chars (drivers/char/virtio_console.c:1176)
[  243.426384][ T4569]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  243.426386][ T4569]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  243.426391][ T4569]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  243.426397][ T4569]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  243.426400][ T4569]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  243.426403][ T4569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.426405][ T4569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.426409][ T4569]  console_emit_next_record (kernel/printk/printk.c:3183)
[  243.426412][ T4569]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  243.426416][ T4569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.426417][ T4569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.426419][ T4569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.426421][ T4569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.426424][ T4569]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  243.426427][ T4569]  console_flush_one_record (kernel/printk/printk.c:3268)
[  243.426431][ T4569]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  243.426435][ T4569]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  243.426438][ T4569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.426440][ T4569]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  243.426443][ T4569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.426445][ T4569]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  243.426447][ T4569]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  243.426450][ T4569]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  243.426452][ T4569]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  243.426455][ T4569]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  243.426458][ T4569]  vprintk_emit (kernel/printk/printk.c:2479)
[  243.426461][ T4569]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  243.426463][ T4569]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  243.426465][ T4569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.426467][ T4569]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  243.426472][ T4569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.426475][ T4569]  _printk (kernel/printk/printk.c:2504)
[  243.426479][ T4569]  ? snapshot_read.cold (user.c:?)
[  243.426482][ T4569]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  243.426487][ T4569]  ? idr_get_free (??:?)
[  243.426490][ T4569]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  243.426494][ T4569]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  243.426503][ T4569]  ? nla_get_range_signed (lib/nlattr.c:270)
[  243.426508][ T4569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.426510][ T4569]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  243.426514][ T4569]  __nla_validate_parse (lib/nlattr.c:635)
[  243.426519][ T4569]  __nla_parse (lib/nlattr.c:732)
[  243.426522][ T4569]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  243.426525][ T4569]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  243.426528][ T4569]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  243.426531][ T4569]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  243.426537][ T4569]  ? security_capable (security/security.c:660 (discriminator 11))
[  243.426541][ T4569]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  243.426544][ T4569]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  243.426548][ T4569]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  243.426558][ T4569]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  243.426562][ T4569]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  243.426566][ T4569]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  243.426569][ T4569]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  243.426572][ T4569]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  243.426575][ T4569]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  243.426579][ T4569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.426582][ T4569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.426584][ T4569]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  243.426587][ T4569]  genl_rcv (net/netlink/genetlink.c:1218)
[  243.426589][ T4569]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  243.426593][ T4569]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  243.426597][ T4569]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  243.426600][ T4569]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  243.426603][ T4569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.426606][ T4569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.426609][ T4569]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  243.426612][ T4569]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  243.426616][ T4569]  __sys_sendto (net/socket.c:2281)
[  243.426620][ T4569]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  243.426626][ T4569]  ? fput_close_sync (fs/file_table.c:617)
[  243.426630][ T4569]  ? alloc_file_clone (fs/file_table.c:479)
[  243.426633][ T4569]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  243.426636][ T4569]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  243.426638][ T4569]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  243.426640][ T4569]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  243.426643][ T4569]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  243.426646][ T4569]  ? irq_exit_rcu (kernel/softirq.c:786)
[  243.426649][ T4569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  243.426653][ T4569] RIP: 0033:0x7f5c89425312
[  243.426656][ T4569] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  243.426659][ T4569] RSP: 002b:00007ffff6a91918 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  243.426663][ T4569] RAX: ffffffffffffffda RBX: 00007ffff6a91a48 RCX: 00007f5c89425312
[  243.426665][ T4569] RDX: 0000000000000044 RSI: 00007f5c84feb000 RDI: 0000000000000020
[  243.426667][ T4569] RBP: 00007ffff6a91940 R08: 00007ffff6a91ac0 R09: 000000000000000c
[  243.426668][ T4569] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5c8727e0b0
[  243.426670][ T4569] R13: 00007ffff6a91a48 R14: 00007f5c88d4401a R15: 00007ffff6a91e38
| [  244.592689][ T4618] softirqs last disabled at (0): 0x0
| [  244.592692][ T4618] Preemption disabled at:
| [  244.592693][ T4618] vprintk_emit (kernel/printk/printk.c:2471)
| [  244.592707][ T4618] Tainted: [W]=WARN
[  244.592708][ T4618] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  244.592711][ T4618] Call Trace:
[  244.592713][ T4618]  <TASK>
[  244.592715][ T4618]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  244.592722][ T4618]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  244.592724][ T4618]  __might_resched.cold (kernel/sched/core.c:9234)
[  244.592729][ T4618]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  244.592734][ T4618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.592738][ T4618]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  244.592742][ T4618]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  244.592746][ T4618]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.592753][ T4618]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  244.592755][ T4618]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.592759][ T4618]  put_chars (drivers/char/virtio_console.c:1176)
[  244.592762][ T4618]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  244.592765][ T4618]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  244.592774][ T4618]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  244.592777][ T4618]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  244.592784][ T4618]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  244.592787][ T4618]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  244.592790][ T4618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.592792][ T4618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.592794][ T4618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.592798][ T4618]  console_emit_next_record (kernel/printk/printk.c:3183)
[  244.592802][ T4618]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  244.592805][ T4618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.592807][ T4618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.592809][ T4618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.592811][ T4618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.592815][ T4618]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  244.592817][ T4618]  console_flush_one_record (kernel/printk/printk.c:3268)
[  244.592821][ T4618]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  244.592826][ T4618]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  244.592829][ T4618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.592831][ T4618]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  244.592834][ T4618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.592836][ T4618]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  244.592838][ T4618]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  244.592841][ T4618]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  244.592843][ T4618]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  244.592847][ T4618]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  244.592849][ T4618]  vprintk_emit (kernel/printk/printk.c:2479)
[  244.592852][ T4618]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  244.592856][ T4618]  _printk (kernel/printk/printk.c:2504)
[  244.592860][ T4618]  ? snapshot_read.cold (user.c:?)
[  244.592863][ T4618]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  244.592867][ T4618]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  244.592872][ T4618]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  244.592874][ T4618]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  244.592879][ T4618]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  244.592882][ T4618]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  244.592885][ T4618]  ? netdev_notice (net/core/dev.c:13194)
[  244.592888][ T4618]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  244.592900][ T4618]  ? 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)
[  244.592902][ T4618]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  244.592906][ T4618]  netif_set_promiscuity (net/core/dev.c:9699)
[  244.592910][ T4618]  dev_set_promiscuity (net/core/dev_api.c:288)
[  244.592913][ T4618]  ? dev_disable_lro (net/core/dev_api.c:267)
[  244.592915][ T4618] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  244.592922][ T4618] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  244.592929][ T4618]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  244.592932][ T4618] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  244.592939][ T4618]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  244.592946][ T4618] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  244.592953][ T4618]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  244.592959][ T4618]  ? __nla_validate_parse (lib/nlattr.c:635)
[  244.592965][ T4618]  ? __nla_parse (lib/nlattr.c:732)
[  244.592968][ T4618]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  244.592973][ T4618]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  244.592977][ T4618]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  244.592983][ T4618]  ? security_capable (security/security.c:660 (discriminator 11))
[  244.592987][ T4618]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  244.592991][ T4618]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  244.592994][ T4618]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  244.593001][ T4618]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  244.593005][ T4618]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  244.593009][ T4618]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  244.593012][ T4618]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  244.593015][ T4618]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  244.593019][ T4618]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  244.593024][ T4618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.593026][ T4618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.593028][ T4618]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  244.593032][ T4618]  genl_rcv (net/netlink/genetlink.c:1218)
[  244.593034][ T4618]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  244.593038][ T4618]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  244.593041][ T4618]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  244.593045][ T4618]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  244.593049][ T4618]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  244.593053][ T4618]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  244.593056][ T4618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.593059][ T4618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.593062][ T4618]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  244.593066][ T4618]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  244.593070][ T4618]  __sys_sendto (net/socket.c:2281)
[  244.593073][ T4618]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  244.593078][ T4618]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  244.593085][ T4618]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  244.593087][ T4618]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  244.593090][ T4618]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  244.593092][ T4618]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  244.593095][ T4618]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  244.593099][ T4618]  ? irq_exit_rcu (kernel/softirq.c:786)
[  244.593103][ T4618]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  244.593107][ T4618] RIP: 0033:0x7fa3ff14c312
[  244.593110][ T4618] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  244.593113][ T4618] RSP: 002b:00007ffe24589ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  244.593118][ T4618] RAX: ffffffffffffffda RBX: 00007ffe2458a018 RCX: 00007fa3ff14c312
[  244.593120][ T4618] RDX: 0000000000000030 RSI: 00007fa3fce7d7f0 RDI: 0000000000000023
[  244.593122][ T4618] RBP: 00007ffe24589f10 R08: 00007ffe2458a090 R09: 000000000000000c
[  244.593123][ T4618] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3fcfb6190
[  244.593125][ T4618] R13: 00007ffe2458a018 R14: 00007fa3fea6b01a R15: 00007ffe2458a408
| [  245.612503][ T4656] softirqs last disabled at (0): 0x0
| [  245.612506][ T4656] Preemption disabled at:
| [  245.612507][ T4656] vprintk_emit (kernel/printk/printk.c:2471)
| [  245.612520][ T4656] Tainted: [W]=WARN
[  245.612522][ T4656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  245.612524][ T4656] Call Trace:
[  245.612526][ T4656]  <TASK>
[  245.612528][ T4656]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  245.612535][ T4656]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  245.612537][ T4656]  __might_resched.cold (kernel/sched/core.c:9234)
[  245.612543][ T4656]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  245.612547][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612551][ T4656]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  245.612555][ T4656]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  245.612559][ T4656]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  245.612565][ T4656]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  245.612567][ T4656]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  245.612571][ T4656]  put_chars (drivers/char/virtio_console.c:1176)
[  245.612574][ T4656]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  245.612576][ T4656]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  245.612580][ T4656]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  245.612584][ T4656]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  245.612590][ T4656]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  245.612593][ T4656]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  245.612596][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612597][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612599][ T4656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.612603][ T4656]  console_emit_next_record (kernel/printk/printk.c:3183)
[  245.612607][ T4656]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  245.612610][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612612][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612614][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612616][ T4656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.612619][ T4656]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  245.612622][ T4656]  console_flush_one_record (kernel/printk/printk.c:3268)
[  245.612625][ T4656]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  245.612630][ T4656]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  245.612632][ T4656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.612635][ T4656]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  245.612637][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612639][ T4656]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  245.612642][ T4656]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  245.612644][ T4656]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  245.612646][ T4656]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  245.612649][ T4656]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  245.612652][ T4656]  vprintk_emit (kernel/printk/printk.c:2479)
[  245.612655][ T4656]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  245.612658][ T4656]  _printk (kernel/printk/printk.c:2504)
[  245.612662][ T4656]  ? snapshot_read.cold (user.c:?)
[  245.612665][ T4656]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  245.612669][ T4656]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  245.612674][ T4656]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  245.612677][ T4656]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  245.612681][ T4656]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  245.612684][ T4656]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  245.612687][ T4656]  ? netdev_notice (net/core/dev.c:13194)
[  245.612690][ T4656]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  245.612702][ T4656]  ? 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)
[  245.612704][ T4656]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  245.612708][ T4656]  netif_set_promiscuity (net/core/dev.c:9699)
[  245.612711][ T4656]  dev_set_promiscuity (net/core/dev_api.c:288)
[  245.612714][ T4656]  ? dev_disable_lro (net/core/dev_api.c:267)
[  245.612716][ T4656] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  245.612724][ T4656] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  245.612730][ T4656]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  245.612733][ T4656] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  245.612741][ T4656]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  245.612747][ T4656] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  245.612755][ T4656]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  245.612761][ T4656]  ? __nla_validate_parse (lib/nlattr.c:635)
[  245.612772][ T4656]  ? __nla_parse (lib/nlattr.c:732)
[  245.612774][ T4656]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  245.612781][ T4656]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  245.612784][ T4656]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  245.612790][ T4656]  ? security_capable (security/security.c:660 (discriminator 11))
[  245.612794][ T4656]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  245.612798][ T4656]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  245.612801][ T4656]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  245.612808][ T4656]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  245.612813][ T4656]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  245.612816][ T4656]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  245.612820][ T4656]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  245.612823][ T4656]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  245.612826][ T4656]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  245.612830][ T4656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.612833][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612835][ T4656]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  245.612838][ T4656]  genl_rcv (net/netlink/genetlink.c:1218)
[  245.612840][ T4656]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  245.612844][ T4656]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  245.612847][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612849][ T4656]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  245.612853][ T4656]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  245.612856][ T4656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.612858][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612861][ T4656]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  245.612864][ T4656]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  245.612868][ T4656]  __sys_sendto (net/socket.c:2281)
[  245.612871][ T4656]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  245.612877][ T4656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.612880][ T4656]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  245.612883][ T4656]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  245.612886][ T4656]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  245.612890][ T4656]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  245.612892][ T4656]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  245.612894][ T4656]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  245.612899][ T4656]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  245.612902][ T4656]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  245.612905][ T4656] RIP: 0033:0x7fe4b2e0e312
[  245.612908][ T4656] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  245.612911][ T4656] RSP: 002b:00007fffb1c55b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  245.612916][ T4656] RAX: ffffffffffffffda RBX: 00007fffb1c55c88 RCX: 00007fe4b2e0e312
[  245.612918][ T4656] RDX: 0000000000000030 RSI: 00007fe4b0246630 RDI: 0000000000000023
[  245.612919][ T4656] RBP: 00007fffb1c55b80 R08: 00007fffb1c55d00 R09: 000000000000000c
[  245.612921][ T4656] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe4b0c6e270
[  245.612922][ T4656] R13: 00007fffb1c55c88 R14: 00007fe4b272d01a R15: 00007fffb1c56078
| [  254.935790][ T4845] softirqs last disabled at (0): 0x0
| [  254.935792][ T4845] Preemption disabled at:
| [  254.935793][ T4845] vprintk_emit (kernel/printk/printk.c:2471)
| [  254.935804][ T4845] Tainted: [W]=WARN
[  254.935805][ T4845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  254.935807][ T4845] Call Trace:
[  254.935809][ T4845]  <TASK>
[  254.935810][ T4845]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  254.935816][ T4845]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  254.935818][ T4845]  __might_resched.cold (kernel/sched/core.c:9234)
[  254.935822][ T4845]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  254.935825][ T4845]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  254.935828][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935830][ T4845]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  254.935833][ T4845]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  254.935837][ T4845]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  254.935842][ T4845]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  254.935844][ T4845]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  254.935846][ T4845]  put_chars (drivers/char/virtio_console.c:1176)
[  254.935848][ T4845]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  254.935850][ T4845]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  254.935851][ T4845]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  254.935854][ T4845]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  254.935859][ T4845]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  254.935861][ T4845]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  254.935863][ T4845]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  254.935866][ T4845]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  254.935868][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935869][ T4845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.935872][ T4845]  console_emit_next_record (kernel/printk/printk.c:3183)
[  254.935875][ T4845]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  254.935877][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935879][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935880][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935881][ T4845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.935883][ T4845]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  254.935885][ T4845]  console_flush_one_record (kernel/printk/printk.c:3268)
[  254.935887][ T4845]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  254.935890][ T4845]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  254.935893][ T4845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.935894][ T4845]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  254.935896][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935897][ T4845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  254.935899][ T4845]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  254.935901][ T4845]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  254.935902][ T4845]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  254.935904][ T4845]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  254.935906][ T4845]  vprintk_emit (kernel/printk/printk.c:2479)
[  254.935908][ T4845]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  254.935909][ T4845]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  254.935913][ T4845]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  254.935919][ T4845]  _printk (kernel/printk/printk.c:2504)
[  254.935922][ T4845]  ? snapshot_read.cold (user.c:?)
[  254.935925][ T4845]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  254.935928][ T4845]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  254.935930][ T4845]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  254.935933][ T4845]  ? netdev_notice (net/core/dev.c:13194)
[  254.935934][ T4845]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  254.935937][ T4845]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  254.935940][ T4845]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  254.935942][ T4845]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  254.935944][ T4845]  netif_set_promiscuity (net/core/dev.c:9699)
[  254.935947][ T4845]  dev_set_promiscuity (net/core/dev_api.c:288)
[  254.935949][ T4845]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  254.935953][ T4845] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  254.935959][ T4845] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  254.935964][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935966][ T4845]  notifier_call_chain (kernel/notifier.c:85)
[  254.935969][ T4845]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  254.935971][ T4845]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  254.935974][ T4845]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  254.935976][ T4845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  254.935978][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935979][ T4845]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  254.935981][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935987][ T4845]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  254.935989][ T4845]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  254.935992][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935993][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935994][ T4845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.935996][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.935997][ T4845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  254.935999][ T4845]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  254.936001][ T4845]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  254.936003][ T4845]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  254.936005][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.936007][ T4845]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  254.936010][ T4845]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  254.936012][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.936014][ T4845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.936015][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.936017][ T4845]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  254.936018][ T4845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  254.936020][ T4845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  254.936022][ T4845]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  254.936025][ T4845]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  254.936029][ T4845]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  254.936031][ T4845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  254.936033][ T4845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  254.936035][ T4845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  254.936036][ T4845]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  254.936039][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.936041][ T4845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  254.936043][ T4845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  254.936045][ T4845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  254.936047][ T4845]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  254.936049][ T4845]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  254.936052][ T4845]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  254.936053][ T4845]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  254.936055][ T4845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.936057][ T4845]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  254.936060][ T4845]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  254.936063][ T4845]  ____sys_sendmsg (net/socket.c:2713)
[  254.936065][ T4845]  ? copy_msghdr_from_user (net/socket.c:2650)
[  254.936067][ T4845]  ? sock_write_iter (net/socket.c:1269)
[  254.936068][ T4845]  ? move_addr_to_kernel (net/socket.c:258)
[  254.936070][ T4845]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  254.936073][ T4845]  ___sys_sendmsg (net/socket.c:2767)
[  254.936075][ T4845]  ? copy_msghdr_from_user (net/socket.c:2619)
[  254.936080][ T4845]  __sys_sendmsg (net/socket.c:2799)
[  254.936082][ T4845]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  254.936085][ T4845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.936087][ T4845]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  254.936089][ T4845]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  254.936091][ T4845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  254.936093][ T4845] RIP: 0033:0x7f0c9f38954e
[  254.936095][ T4845] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  254.936097][ T4845] RSP: 002b:00007ffe03bca940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  254.936101][ T4845] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0c9f38954e
[  254.936103][ T4845] RDX: 0000000000000000 RSI: 00007ffe03bca9f0 RDI: 0000000000000005
[  254.936104][ T4845] RBP: 00007ffe03bca950 R08: 0000000000000000 R09: 0000000000000000
[  254.936105][ T4845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d989
[  254.936106][ T4845] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe03bcb0b0
| [  257.496512][ T4902] softirqs last disabled at (0): 0x0
| [  257.496514][ T4902] Preemption disabled at:
| [  257.496515][ T4902] vprintk_emit (kernel/printk/printk.c:2471)
| [  257.496525][ T4902] Tainted: [W]=WARN
[  257.496526][ T4902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  257.496528][ T4902] Call Trace:
[  257.496530][ T4902]  <TASK>
[  257.496531][ T4902]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  257.496537][ T4902]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  257.496538][ T4902]  __might_resched.cold (kernel/sched/core.c:9234)
[  257.496542][ T4902]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  257.496546][ T4902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.496548][ T4902]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  257.496551][ T4902]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  257.496555][ T4902]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  257.496560][ T4902]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  257.496561][ T4902]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  257.496564][ T4902]  put_chars (drivers/char/virtio_console.c:1176)
[  257.496566][ T4902]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  257.496567][ T4902]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  257.496569][ T4902]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  257.496571][ T4902]  ? pointer (lib/vsprintf.c:2577)
[  257.496575][ T4902]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  257.496580][ T4902]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  257.496582][ T4902]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  257.496584][ T4902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.496587][ T4902]  console_emit_next_record (kernel/printk/printk.c:3183)
[  257.496589][ T4902]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  257.496592][ T4902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.496593][ T4902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.496594][ T4902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.496595][ T4902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.496597][ T4902]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  257.496599][ T4902]  console_flush_one_record (kernel/printk/printk.c:3268)
[  257.496602][ T4902]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  257.496604][ T4902]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  257.496606][ T4902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.496608][ T4902]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  257.496610][ T4902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.496611][ T4902]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  257.496613][ T4902]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  257.496614][ T4902]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  257.496616][ T4902]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  257.496618][ T4902]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  257.496619][ T4902]  vprintk_emit (kernel/printk/printk.c:2479)
[  257.496621][ T4902]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  257.496623][ T4902]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  257.496626][ T4902]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  257.496629][ T4902]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  257.496632][ T4902]  _printk (kernel/printk/printk.c:2504)
[  257.496635][ T4902]  ? snapshot_read.cold (user.c:?)
[  257.496637][ T4902]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  257.496641][ T4902]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  257.496643][ T4902]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  257.496645][ T4902]  ? netdev_notice (net/core/dev.c:13194)
[  257.496647][ T4902]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  257.496651][ T4902]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  257.496655][ T4902]  ? register_netdevice (net/core/dev.c:11556)
[  257.496657][ T4902]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  257.496659][ T4902]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  257.496660][ T4902]  ? unregister_netdev (net/core/dev.c:12699)
[  257.496662][ T4902]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  257.496664][ T4902]  netif_set_promiscuity (net/core/dev.c:9699)
[  257.496667][ T4902]  dev_set_promiscuity (net/core/dev_api.c:288)
[  257.496669][ T4902] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  257.496676][ T4902] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  257.496680][ T4902] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  257.496685][ T4902] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  257.496690][ T4902]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  257.496693][ T4902]  ? __nla_validate_parse (lib/nlattr.c:635)
[  257.496697][ T4902]  ? __nla_parse (lib/nlattr.c:732)
[  257.496699][ T4902]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  257.496702][ T4902]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  257.496704][ T4902]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  257.496708][ T4902]  ? security_capable (security/security.c:660 (discriminator 11))
[  257.496710][ T4902]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  257.496713][ T4902]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  257.496715][ T4902]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  257.496719][ T4902]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  257.496722][ T4902]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  257.496724][ T4902]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  257.496726][ T4902]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  257.496728][ T4902]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  257.496730][ T4902]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  257.496733][ T4902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.496735][ T4902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.496736][ T4902]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  257.496738][ T4902]  genl_rcv (net/netlink/genetlink.c:1218)
[  257.496740][ T4902]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  257.496743][ T4902]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  257.496745][ T4902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.496746][ T4902]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  257.496748][ T4902]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  257.496750][ T4902]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  257.496752][ T4902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.496754][ T4902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.496756][ T4902]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  257.496758][ T4902]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  257.496762][ T4902]  __sys_sendto (net/socket.c:2281)
[  257.496764][ T4902]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  257.496771][ T4902]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  257.496773][ T4902]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  257.496775][ T4902]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  257.496776][ T4902]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  257.496778][ T4902]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  257.496780][ T4902]  ? irq_exit_rcu (kernel/softirq.c:786)
[  257.496783][ T4902]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  257.496785][ T4902] RIP: 0033:0x7f9f94b49312
[  257.496787][ T4902] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  257.496789][ T4902] RSP: 002b:00007ffc07f2e218 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  257.496793][ T4902] RAX: ffffffffffffffda RBX: 00007ffc07f2e348 RCX: 00007f9f94b49312
[  257.496795][ T4902] RDX: 0000000000000034 RSI: 00007f9f9073e430 RDI: 0000000000000020
[  257.496796][ T4902] RBP: 00007ffc07f2e240 R08: 00007ffc07f2e3c0 R09: 000000000000000c
[  257.496797][ T4902] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f929a2120
[  257.496798][ T4902] R13: 00007ffc07f2e348 R14: 00007f9f9446801a R15: 00007ffc07f2e738
| [  258.755608][ T4951] softirqs last disabled at (0): 0x0
| [  258.755611][ T4951] Preemption disabled at:
| [  258.755611][ T4951] vprintk_emit (kernel/printk/printk.c:2471)
| [  258.755622][ T4951] Tainted: [W]=WARN
[  258.755624][ T4951] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.755625][ T4951] Call Trace:
[  258.755627][ T4951]  <TASK>
[  258.755629][ T4951]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  258.755635][ T4951]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  258.755637][ T4951]  __might_resched.cold (kernel/sched/core.c:9234)
[  258.755641][ T4951]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  258.755645][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755647][ T4951]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  258.755650][ T4951]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  258.755653][ T4951]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  258.755659][ T4951]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  258.755660][ T4951]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  258.755663][ T4951]  put_chars (drivers/char/virtio_console.c:1176)
[  258.755665][ T4951]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  258.755666][ T4951]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  258.755669][ T4951]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  258.755671][ T4951]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  258.755676][ T4951]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  258.755678][ T4951]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  258.755680][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755681][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755682][ T4951]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.755685][ T4951]  console_emit_next_record (kernel/printk/printk.c:3183)
[  258.755688][ T4951]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  258.755690][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755691][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755692][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755693][ T4951]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.755695][ T4951]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  258.755697][ T4951]  console_flush_one_record (kernel/printk/printk.c:3268)
[  258.755699][ T4951]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  258.755702][ T4951]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  258.755704][ T4951]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.755706][ T4951]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  258.755708][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755709][ T4951]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  258.755710][ T4951]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  258.755712][ T4951]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  258.755714][ T4951]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  258.755716][ T4951]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  258.755717][ T4951]  vprintk_emit (kernel/printk/printk.c:2479)
[  258.755719][ T4951]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  258.755721][ T4951]  _printk (kernel/printk/printk.c:2504)
[  258.755725][ T4951]  ? snapshot_read.cold (user.c:?)
[  258.755726][ T4951]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  258.755729][ T4951]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  258.755733][ T4951]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  258.755735][ T4951]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  258.755739][ T4951]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  258.755741][ T4951]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  258.755743][ T4951]  ? netdev_notice (net/core/dev.c:13194)
[  258.755745][ T4951]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  258.755753][ T4951]  ? 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)
[  258.755755][ T4951]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  258.755757][ T4951]  netif_set_promiscuity (net/core/dev.c:9699)
[  258.755760][ T4951]  dev_set_promiscuity (net/core/dev_api.c:288)
[  258.755761][ T4951]  ? dev_disable_lro (net/core/dev_api.c:267)
[  258.755763][ T4951] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  258.755772][ T4951] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  258.755776][ T4951]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  258.755778][ T4951] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  258.755782][ T4951]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  258.755786][ T4951] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  258.755790][ T4951]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  258.755793][ T4951]  ? __nla_validate_parse (lib/nlattr.c:635)
[  258.755798][ T4951]  ? __nla_parse (lib/nlattr.c:732)
[  258.755800][ T4951]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  258.755804][ T4951]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.755806][ T4951]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  258.755810][ T4951]  ? security_capable (security/security.c:660 (discriminator 11))
[  258.755813][ T4951]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  258.755815][ T4951]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  258.755817][ T4951]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  258.755821][ T4951]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  258.755824][ T4951]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  258.755826][ T4951]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  258.755829][ T4951]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  258.755830][ T4951]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  258.755833][ T4951]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  258.755835][ T4951]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.755837][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755838][ T4951]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  258.755840][ T4951]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.755842][ T4951]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.755845][ T4951]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  258.755847][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755849][ T4951]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  258.755851][ T4951]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  258.755853][ T4951]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.755855][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755856][ T4951]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  258.755859][ T4951]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  258.755862][ T4951]  __sys_sendto (net/socket.c:2281)
[  258.755865][ T4951]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  258.755868][ T4951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.755870][ T4951]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  258.755872][ T4951]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  258.755874][ T4951]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  258.755877][ T4951]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  258.755879][ T4951]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  258.755880][ T4951]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  258.755883][ T4951]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  258.755886][ T4951]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.755888][ T4951] RIP: 0033:0x7f73fe14f312
[  258.755890][ T4951] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  258.755892][ T4951] RSP: 002b:00007ffddae63a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  258.755896][ T4951] RAX: ffffffffffffffda RBX: 00007ffddae63bb8 RCX: 00007f73fe14f312
[  258.755897][ T4951] RDX: 0000000000000030 RSI: 00007f73f9d1ab70 RDI: 0000000000000023
[  258.755898][ T4951] RBP: 00007ffddae63ab0 R08: 00007ffddae63c30 R09: 000000000000000c
[  258.755899][ T4951] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f73fbfb22e0
[  258.755900][ T4951] R13: 00007ffddae63bb8 R14: 00007f73fda6e01a R15: 00007ffddae63fa8
| [  260.698952][ T5046] softirqs last disabled at (0): 0x0
| [  260.698954][ T5046] Preemption disabled at:
| [  260.698954][ T5046] vprintk_emit (kernel/printk/printk.c:2471)
| [  260.698965][ T5046] Tainted: [W]=WARN
[  260.698966][ T5046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  260.698968][ T5046] Call Trace:
[  260.698970][ T5046]  <TASK>
[  260.698971][ T5046]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  260.698977][ T5046]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  260.698979][ T5046]  __might_resched.cold (kernel/sched/core.c:9234)
[  260.698983][ T5046]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  260.698986][ T5046]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  260.698990][ T5046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.698993][ T5046]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  260.698995][ T5046]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  260.698998][ T5046]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  260.699003][ T5046]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  260.699005][ T5046]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  260.699008][ T5046]  put_chars (drivers/char/virtio_console.c:1176)
[  260.699010][ T5046]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  260.699011][ T5046]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  260.699014][ T5046]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  260.699019][ T5046]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  260.699021][ T5046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.699022][ T5046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.699025][ T5046]  console_emit_next_record (kernel/printk/printk.c:3183)
[  260.699027][ T5046]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  260.699030][ T5046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.699031][ T5046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.699032][ T5046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.699033][ T5046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.699035][ T5046]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  260.699037][ T5046]  console_flush_one_record (kernel/printk/printk.c:3268)
[  260.699040][ T5046]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  260.699042][ T5046]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  260.699044][ T5046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.699046][ T5046]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  260.699048][ T5046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.699049][ T5046]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  260.699051][ T5046]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  260.699052][ T5046]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  260.699054][ T5046]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  260.699056][ T5046]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  260.699057][ T5046]  vprintk_emit (kernel/printk/printk.c:2479)
[  260.699059][ T5046]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  260.699061][ T5046]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  260.699063][ T5046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.699064][ T5046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.699066][ T5046]  _printk (kernel/printk/printk.c:2504)
[  260.699069][ T5046]  ? snapshot_read.cold (user.c:?)
[  260.699071][ T5046]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  260.699075][ T5046]  ? idr_get_free (??:?)
[  260.699077][ T5046]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  260.699084][ T5046]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  260.699087][ T5046] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  260.699093][ T5046]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  260.699097][ T5046]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  260.699099][ T5046]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  260.699103][ T5046]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  260.699105][ T5046]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  260.699107][ T5046]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  260.699108][ T5046]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  260.699110][ T5046]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  260.699113][ T5046]  ? __sys_sendto (net/socket.c:2281)
[  260.699115][ T5046]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  260.699121][ T5046]  ? __nla_parse (lib/nlattr.c:732)
[  260.699125][ T5046]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  260.699128][ T5046]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  260.699130][ T5046]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  260.699133][ T5046]  ? security_capable (security/security.c:660 (discriminator 11))
[  260.699136][ T5046]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  260.699139][ T5046]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  260.699141][ T5046]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  260.699145][ T5046]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  260.699148][ T5046]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  260.699150][ T5046]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  260.699152][ T5046]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  260.699154][ T5046]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  260.699156][ T5046]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  260.699159][ T5046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.699161][ T5046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.699162][ T5046]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  260.699164][ T5046]  genl_rcv (net/netlink/genetlink.c:1218)
[  260.699166][ T5046]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  260.699168][ T5046]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  260.699170][ T5046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.699171][ T5046]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  260.699173][ T5046]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  260.699175][ T5046]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  260.699177][ T5046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.699179][ T5046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.699181][ T5046]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  260.699182][ T5046]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  260.699185][ T5046]  __sys_sendto (net/socket.c:2281)
[  260.699187][ T5046]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  260.699189][ T5046]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  260.699191][ T5046]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  260.699196][ T5046]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  260.699198][ T5046]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  260.699199][ T5046]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  260.699201][ T5046]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  260.699202][ T5046]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  260.699205][ T5046]  ? irq_exit_rcu (kernel/softirq.c:786)
[  260.699208][ T5046]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  260.699210][ T5046] RIP: 0033:0x7f06d529b312
[  260.699212][ T5046] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  260.699214][ T5046] RSP: 002b:00007ffd8e16c848 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  260.699218][ T5046] RAX: ffffffffffffffda RBX: 00007ffd8e16c978 RCX: 00007f06d529b312
[  260.699220][ T5046] RDX: 00000000000000c4 RSI: 00007f06d2ffd0d0 RDI: 0000000000000026
[  260.699221][ T5046] RBP: 00007ffd8e16c870 R08: 00007ffd8e16c9f0 R09: 000000000000000c
[  260.699222][ T5046] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f06d30fe430
[  260.699223][ T5046] R13: 00007ffd8e16c978 R14: 00007f06d4bba01a R15: 00007ffd8e16cd68
| [  262.316217][ T5092] softirqs last disabled at (0): 0x0
| [  262.316220][ T5092] Preemption disabled at:
| [  262.316221][ T5092] vprintk_emit (kernel/printk/printk.c:2471)
| [  262.316235][ T5092] Tainted: [W]=WARN
[  262.316237][ T5092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  262.316240][ T5092] Call Trace:
[  262.316242][ T5092]  <TASK>
[  262.316244][ T5092]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  262.316251][ T5092]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  262.316253][ T5092]  __might_resched.cold (kernel/sched/core.c:9234)
[  262.316258][ T5092]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  262.316263][ T5092]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  262.316267][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316271][ T5092]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  262.316275][ T5092]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  262.316278][ T5092]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  262.316285][ T5092]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  262.316288][ T5092]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  262.316292][ T5092]  put_chars (drivers/char/virtio_console.c:1176)
[  262.316294][ T5092]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  262.316297][ T5092]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  262.316302][ T5092]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  262.316309][ T5092]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  262.316312][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316314][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.316319][ T5092]  console_emit_next_record (kernel/printk/printk.c:3183)
[  262.316323][ T5092]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  262.316326][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316328][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316330][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316332][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.316335][ T5092]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  262.316338][ T5092]  console_flush_one_record (kernel/printk/printk.c:3268)
[  262.316342][ T5092]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  262.316346][ T5092]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  262.316349][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.316352][ T5092]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  262.316355][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316357][ T5092]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  262.316359][ T5092]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  262.316362][ T5092]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  262.316365][ T5092]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  262.316368][ T5092]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  262.316371][ T5092]  vprintk_emit (kernel/printk/printk.c:2479)
[  262.316374][ T5092]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  262.316376][ T5092]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  262.316379][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316382][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.316385][ T5092]  _printk (kernel/printk/printk.c:2504)
[  262.316395][ T5092]  ? snapshot_read.cold (user.c:?)
[  262.316397][ T5092]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  262.316403][ T5092]  ? idr_get_free (??:?)
[  262.316406][ T5092]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  262.316416][ T5092]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  262.316421][ T5092] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  262.316430][ T5092]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  262.316438][ T5092]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  262.316441][ T5092]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  262.316446][ T5092]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  262.316448][ T5092]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  262.316451][ T5092]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  262.316454][ T5092]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  262.316457][ T5092]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  262.316460][ T5092]  ? __sys_sendto (net/socket.c:2281)
[  262.316464][ T5092]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  262.316474][ T5092]  ? __nla_parse (lib/nlattr.c:732)
[  262.316478][ T5092]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  262.316482][ T5092]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  262.316486][ T5092]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  262.316492][ T5092]  ? security_capable (security/security.c:660 (discriminator 11))
[  262.316496][ T5092]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  262.316500][ T5092]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  262.316503][ T5092]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  262.316510][ T5092]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  262.316514][ T5092]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  262.316518][ T5092]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  262.316522][ T5092]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  262.316525][ T5092]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  262.316528][ T5092]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  262.316532][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.316535][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316537][ T5092]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  262.316540][ T5092]  genl_rcv (net/netlink/genetlink.c:1218)
[  262.316543][ T5092]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  262.316546][ T5092]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  262.316550][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316552][ T5092]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  262.316556][ T5092]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  262.316559][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.316562][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316565][ T5092]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  262.316567][ T5092]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  262.316571][ T5092]  __sys_sendto (net/socket.c:2281)
[  262.316574][ T5092]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  262.316581][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.316583][ T5092]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  262.316586][ T5092]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  262.316589][ T5092]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  262.316592][ T5092]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  262.316594][ T5092]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  262.316597][ T5092]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  262.316601][ T5092]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  262.316604][ T5092]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  262.316608][ T5092] RIP: 0033:0x7fcfeab36312
[  262.316611][ T5092] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  262.316614][ T5092] RSP: 002b:00007ffd75b13e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  262.316619][ T5092] RAX: ffffffffffffffda RBX: 00007ffd75b13f48 RCX: 00007fcfeab36312
[  262.316621][ T5092] RDX: 00000000000000a4 RSI: 00007fcfe8813ab0 RDI: 0000000000000026
[  262.316623][ T5092] RBP: 00007ffd75b13e40 R08: 00007ffd75b13fc0 R09: 000000000000000c
[  262.316625][ T5092] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfe8996350
[  262.316626][ T5092] R13: 00007ffd75b13f48 R14: 00007fcfea45501a R15: 00007ffd75b14338
| [  267.335383][ T5233] softirqs last disabled at (0): 0x0
| [  267.335385][ T5233] Preemption disabled at:
| [  267.335386][ T5233] vprintk_emit (kernel/printk/printk.c:2471)
| [  267.335396][ T5233] Tainted: [W]=WARN
[  267.335397][ T5233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  267.335399][ T5233] Call Trace:
[  267.335401][ T5233]  <TASK>
[  267.335403][ T5233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  267.335408][ T5233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  267.335410][ T5233]  __might_resched.cold (kernel/sched/core.c:9234)
[  267.335414][ T5233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  267.335418][ T5233]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  267.335420][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335422][ T5233]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  267.335426][ T5233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  267.335429][ T5233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  267.335440][ T5233]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  267.335442][ T5233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  267.335445][ T5233]  put_chars (drivers/char/virtio_console.c:1176)
[  267.335447][ T5233]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  267.335448][ T5233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  267.335450][ T5233]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  267.335453][ T5233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  267.335458][ T5233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  267.335460][ T5233]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  267.335462][ T5233]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  267.335465][ T5233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  267.335467][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335468][ T5233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  267.335471][ T5233]  console_emit_next_record (kernel/printk/printk.c:3183)
[  267.335474][ T5233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  267.335476][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335477][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335478][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335479][ T5233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  267.335481][ T5233]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  267.335483][ T5233]  console_flush_one_record (kernel/printk/printk.c:3268)
[  267.335486][ T5233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  267.335488][ T5233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  267.335491][ T5233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  267.335492][ T5233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  267.335494][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335495][ T5233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  267.335497][ T5233]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  267.335498][ T5233]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  267.335500][ T5233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  267.335502][ T5233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  267.335504][ T5233]  vprintk_emit (kernel/printk/printk.c:2479)
[  267.335506][ T5233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  267.335507][ T5233]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  267.335511][ T5233]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  267.335517][ T5233]  _printk (kernel/printk/printk.c:2504)
[  267.335521][ T5233]  ? snapshot_read.cold (user.c:?)
[  267.335523][ T5233]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  267.335527][ T5233]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  267.335529][ T5233]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  267.335531][ T5233]  ? netdev_notice (net/core/dev.c:13194)
[  267.335533][ T5233]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  267.335536][ T5233]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  267.335539][ T5233]  ? 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)
[  267.335540][ T5233]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  267.335543][ T5233]  netif_set_promiscuity (net/core/dev.c:9699)
[  267.335545][ T5233]  dev_set_promiscuity (net/core/dev_api.c:288)
[  267.335547][ T5233]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  267.335550][ T5233] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  267.335556][ T5233] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  267.335561][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335563][ T5233]  notifier_call_chain (kernel/notifier.c:85)
[  267.335566][ T5233]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  267.335568][ T5233]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  267.335571][ T5233]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  267.335572][ T5233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  267.335574][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335576][ T5233]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  267.335577][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335583][ T5233]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  267.335585][ T5233]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  267.335588][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335589][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335590][ T5233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  267.335591][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335593][ T5233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  267.335594][ T5233]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  267.335597][ T5233]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  267.335599][ T5233]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  267.335601][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335602][ T5233]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  267.335606][ T5233]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  267.335608][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335610][ T5233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  267.335611][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335613][ T5233]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  267.335614][ T5233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  267.335616][ T5233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  267.335618][ T5233]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  267.335621][ T5233]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  267.335625][ T5233]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  267.335628][ T5233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  267.335629][ T5233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  267.335631][ T5233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  267.335632][ T5233]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  267.335635][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335637][ T5233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  267.335639][ T5233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  267.335641][ T5233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  267.335643][ T5233]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  267.335645][ T5233]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  267.335647][ T5233]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  267.335649][ T5233]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  267.335650][ T5233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  267.335652][ T5233]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  267.335655][ T5233]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  267.335658][ T5233]  ____sys_sendmsg (net/socket.c:2713)
[  267.335660][ T5233]  ? copy_msghdr_from_user (net/socket.c:2650)
[  267.335662][ T5233]  ? sock_write_iter (net/socket.c:1269)
[  267.335663][ T5233]  ? move_addr_to_kernel (net/socket.c:258)
[  267.335665][ T5233]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  267.335667][ T5233]  ___sys_sendmsg (net/socket.c:2767)
[  267.335669][ T5233]  ? copy_msghdr_from_user (net/socket.c:2619)
[  267.335674][ T5233]  __sys_sendmsg (net/socket.c:2799)
[  267.335677][ T5233]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  267.335679][ T5233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.335681][ T5233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  267.335684][ T5233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  267.335686][ T5233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  267.335687][ T5233] RIP: 0033:0x7fa41a16254e
[  267.335689][ T5233] 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
[  267.335691][ T5233] RSP: 002b:00007fff6a104950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  267.335695][ T5233] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa41a16254e
[  267.335697][ T5233] RDX: 0000000000000000 RSI: 00007fff6a104a00 RDI: 0000000000000005
[  267.335698][ T5233] RBP: 00007fff6a104960 R08: 0000000000000000 R09: 0000000000000000
[  267.335699][ T5233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d995


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars